TokenBender/glm47-pie-cpp-posttraining-data
GLM-4.7-Flash PIE C++ Post-Training Data The exact prepared dataset used for the GLM-4.7-Flash C++ performance post-training runs. Splits File Rows Purpose sft/train.jsonl 7,864 Supervised fine-tuning grpo/train.jsonl 7,887 GRPO prompt and reward evaluation eval/validation.jsonl 1,259 Full held-out evaluation eval/validation_mini126.jsonl 126 Fast evaluation eval/validation_mini4.jsonl 4 Smoke evaluation tasks.tar.gz 9,146 task JSONs Reward… See the full description on the dataset page: https://huggingface.co/datasets/TokenBender/glm47-pie-cpp-posttraining-data.
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1{"label": "pie_cpp_test_000297", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 63, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 63, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000297.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000297", "task_path": "tasks/test/pie_cpp_test_000297.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <ext/pb_ds/assoc_container.hpp>\n\n#include <ext/pb_ds/tree_policy.hpp>\n\n\n\nusing namespace std;\n\nusing namespace __gnu_pbds;\n\n\n\n#define fi first\n\n#define se second\n\n#define mp make_pair\n\n#define pb push_back\n\n#define fbo find_by_order\n\n#define ook order_of_key\n\n\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> ii;\n\ntypedef vector<int> vi;\n\ntypedef long double ld; \n\ntypedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;\n\ntypedef set<int>::iterator sit;\n\ntypedef map<int,int>::iterator mit;\n\ntypedef vector<int>::iterator vit;\n\n\n\nconst int MOD = 1e9 + 7;\n\nint dp[301][301][301];\n\n\n\nvoid add(int &a, int b)\n\n{\n\n\ta+=b;\n\n\twhile(a>=MOD) a-=MOD;\n\n}\n\n\n\nint mult(int a, int b)\n\n{\n\n\treturn (a*1LL*b)%MOD;\n\n}\n\n\n\nint main()\n\n{\n\n\tios_base::sync_with_stdio(0); cin.tie(0);\n\n\tint n, m; cin>>n>>m;\n\n\tdp[0][1][0]=1;\n\n\tfor(int i=0;i<m;i++)\n\n\t{\n\n\t\tfor(int j=0;j<=n;j++)\n\n\t\t{\n\n\t\t\tfor(int k=0;j+k<=n;k++)\n\n\t\t\t{\n\n\t\t\t\tint v=dp[i][j][k];\n\n\t\t\t\tif(v!=0)\n\n\t\t\t\t{\n\n\t\t\t\t\tadd(dp[i+1][j+k][0],mult(j,v));\n\n\t\t\t\t\tadd(dp[i+1][j][k],mult(k,v));\n\n\t\t\t\t\tif(n-j-k>0) add(dp[i+1][j][k+1],mult(n-j-k,v));\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout<<dp[m][n][0]<<'\\n';\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_000297"}2{"label": "pie_cpp_test_000298", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 81, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 81, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000298.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000298", "task_path": "tasks/test/pie_cpp_test_000298.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n \n\nusing namespace std;\n\n \n\nconst int md = 1000000007;\n\n \n\ninline void add(int &a, int b) {\n\n a += b;\n\n if (a >= md) a -= md;\n\n}\n\n \n\ninline int mul(int a, int b) {\n\n return (long long) a * b % md;\n\n}\n\n \n\nconst int N = 303;\n\n \n\nint f[N][N][N];\n\n \n\nint main() {\n\n int n, m;\n\n scanf(\"%d %d\", &n, &m);\n\n f[0][1][1] = 1;\n\n int ans = 0;\n\n for (int i = 0; i < m; i++) {\n\n for (int vis = 1; vis <= n; vis++) {\n\n for (int cap = 1; cap <= n; cap++) {\n\n int ft = f[i][vis][cap];\n\n if (ft == 0) {\n\n continue;\n\n }\n\n if (i < m - 1) {\n\n add(f[i + 1][vis + 1][cap], mul(ft, n - vis));\n\n add(f[i + 1][vis][vis], mul(ft, cap));\n\n add(f[i + 1][vis][cap], mul(ft, vis - cap));\n\n } else {\n\n if (vis == n) {\n\n add(ans, mul(ft, cap));\n\n }\n\n }\n\n }\n\n }\n\n }\n\n printf(\"%d\\n\", ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_000298"}3{"label": "pie_cpp_test_000299", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 58, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 58, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000299.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000299", "task_path": "tasks/test/pie_cpp_test_000299.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<iostream>\n\n#include<cstring>\n\n#define RG register\n\n#define LL long long\n\nusing namespace std;\n\nconst LL mod=1e9+7;\n\nint n,m;\n\nLL dp[305][305][305];\n\ninline int read(){\n\n\tchar ch=getchar(); int x=0, f=1;\n\n\twhile(ch<'0' || ch>'9'){if(ch=='-') f=-1; ch=getchar();\t}\n\n\twhile(ch>='0' && ch<='9'){x=x*10+ch-'0'; ch=getchar();\t}\n\n\treturn x*f;}\n\nint main()\n\n{\n\n//\tfreopen(\"Road of the King.in\",\"r\",stdin);\n\n\t//freopen(\".out\",\"w\",stdout);\n\n\tn=read(); m=read();\n\n\tdp[0][1][1]=1;\n\n\tfor(RG int i=0;i<m;i++)\n\n\t for(RG int j=1;j<=n;j++)\n\n\t for(RG int k=1;k<=j;k++)\n\n\t {\n\n\t\t\t(dp[i+1][j+1][k]+=dp[i][j][k]*(n-j))%=mod;\n\n\t\t\t(dp[i+1][j][k]+=dp[i][j][k]*(j-k))%=mod;\n\n\t\t\t(dp[i+1][j][j]+=dp[i][j][k]*k)%=mod;\n\n\t }\n\n\tprintf(\"%lld\\n\",dp[m][n][n]);\n\n\t//fclose(stdin); fclose(stdout);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_000299"}4{"label": "pie_cpp_test_000300", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 280, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 280, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000300.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000300", "task_path": "tasks/test/pie_cpp_test_000300.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing lint = long long;\n\nconstexpr lint inf = 1LL << 60;\n\nconstexpr lint mod = 1000000007;\n\n\n\ntemplate <int mod = mod>\n\nstruct modint {\n\n lint v;\n\n modint() : v(0) {}\n\n modint(signed v) : v(v) {}\n\n modint(lint t) {\n\n v = t % mod;\n\n if (v < 0)\n\n v += mod;\n\n }\n\n\n\n modint pow(lint k) {\n\n modint res(1), tmp(v);\n\n while (k) {\n\n if (k & 1)\n\n res *= tmp;\n\n tmp *= tmp;\n\n k >>= 1;\n\n }\n\n return res;\n\n }\n\n static modint add_identity() { return modint(0); }\n\n static modint mul_identity() { return modint(1); }\n\n modint inv() { return pow(mod - 2); }\n\n\n\n modint &operator+=(modint a) {\n\n v += a.v;\n\n if (v >= mod)\n\n v -= mod;\n\n return *this;\n\n }\n\n modint &operator-=(modint a) {\n\n v += mod - a.v;\n\n if (v >= mod)\n\n v -= mod;\n\n return *this;\n\n }\n\n modint &operator*=(modint a) {\n\n v = v * a.v % mod;\n\n return *this;\n\n }\n\n modint &operator/=(modint a) { return (*this) *= a.inv(); }\n\n\n\n modint operator+(modint a) const { return modint(v) += a; };\n\n modint operator-(modint a) const { return modint(v) -= a; };\n\n modint operator*(modint a) const { return modint(v) *= a; };\n\n modint operator/(modint a) const { return modint(v) /= a; };\n\n\n\n modint operator-() const { return v ? modint(mod - v) : modint(v); }\n\n\n\n bool operator==(const modint a) const { return v == a.v; }\n\n bool operator!=(const modint a) const { return v != a.v; }\n\n bool operator<(const modint a) const { return v < a.v; }\n\n};\n\nusing mint = modint<mod>;\n\nostream &operator<<(ostream &os, mint m) { return os << m.v; }\n\n\n\nint main() {\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n lint n, m;\n\n cin >> n >> m;\n\n vector<vector<vector<mint>>> dp(m + 1, vector<vector<mint>>(n + 1, vector<mint>(n + 1, 0)));\n\n dp[0][1][1] = 1; // step, visited, scc\n\n for (lint i = 0; i < m; ++i) {\n\n for (lint j = 1; j <= n; ++j) {\n\n for (lint k = 1; k <= j; ++k) {\n\n if (j != n) {\n\n dp[i + 1][j + 1][k] += dp[i][j][k] * (n - j);\n\n }\n\n dp[i + 1][j][j] += dp[i][j][k] * (k);\n\n dp[i + 1][j][k] += dp[i][j][k] * (j - k);\n\n }\n\n }\n\n }\n\n cout << dp[m][n][n] << \"\\n\";\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_000300"}5{"label": "pie_cpp_test_000301", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 272, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 272, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000301.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000301", "task_path": "tasks/test/pie_cpp_test_000301.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n//#include <bits/stdc++.h>\n\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\ntypedef long long ll;\n\n//#include \"boost/multiprecision/cpp_int.hpp\"\n\n//typedef boost::multiprecision::cpp_int LL;\n\ntypedef long double dd;\n\n#define i_7 (ll)(1E9+7)\n\n//#define i_7 998244353\n\n#define i_5 i_7-2\n\nll mod(ll a){\n\n ll c=a%i_7;\n\n if(c>=0)return c;\n\n return c+i_7;\n\n}\n\ntypedef pair<ll,ll> l_l;\n\ntypedef pair<dd,dd> d_d;\n\nll inf=(ll)1E16;\n\n#define rep(i,l,r) for(ll i=l;i<=r;i++)\n\n#define pb push_back\n\nll max(ll a,ll b){if(a<b)return b;else return a;}\n\nll min(ll a,ll b){if(a>b)return b;else return a;}\n\nvoid Max(ll &pos,ll val){pos=max(pos,val);}//Max(dp[n],dp[n-1]);\n\nvoid Min(ll &pos,ll val){pos=min(pos,val);}\n\nvoid Add(ll &pos,ll val){pos=mod(pos+val);}\n\ndd EPS=1E-9;\n\n#define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);\n\n#define fi first\n\n#define se second\n\n#define endl \"\\n\"\n\n#define SORT(v) sort(v.begin(),v.end())\n\n#define ERASE(v) v.erase(unique(v.begin(),v.end()),v.end())\n\n#define POSL(v,x) (lower_bound(v.begin(),v.end(),x)-v.begin())\n\n#define POSU(v,x) (upper_bound(v.begin(),v.end(),x)-v.begin())\n\ntemplate<class T>\n\ninline bool chmax(T &a, T b) {\n\n if(a < b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\ntemplate<class T>\n\ninline bool chmin(T &a, T b) {\n\n if(a > b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\n\n\nvoid mod_print(ll k){\n\n ll P=1000;\n\n rep(y,1,P){\n\n ll x=mod(y*k);\n\n if(x+P>=i_7){\n\n x-=i_7;\n\n }\n\n if(abs(x)<=P){\n\n cout<<x<<\"/\"<<y<<endl;\n\n return;\n\n }\n\n }\n\n cout<<\"nun\"<<endl;\n\n}\n\n//////////////////////////\n\n\n\nint main(){fastio\n\n ll n,m;cin>>n>>m;\n\n ll dp[m+1][n+1][n+1];\n\n memset(dp,0,sizeof(dp));\n\n dp[0][1][1]=1;\n\n rep(i,0,m-1){\n\n rep(j,0,n){\n\n rep(k,0,n){\n\n if(k+1<=n)Add(dp[i+1][j][k+1],dp[i][j][k]*(n-k));\n\n Add(dp[i+1][j][k],dp[i][j][k]*(k-j));\n\n Add(dp[i+1][k][k],dp[i][j][k]*j);\n\n }\n\n }\n\n }\n\n cout<<mod(dp[m][n][n])<<endl;\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_000301"}6{"label": "pie_cpp_test_000302", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 94, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 94, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000302.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000302", "task_path": "tasks/test/pie_cpp_test_000302.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n #include <bits/stdc++.h>\n\n #include<iostream>\n\n #include<cstdio>\n\n #include<vector>\n\n #include<queue>\n\n #include<map>\n\n #include<cstring>\n\n #include<string>\n\n #include <math.h>\n\n #include<algorithm>\n\n // #include <boost/multiprecision/cpp_int.hpp>\n\n #include<functional>\n\n #define int long long\n\n #define inf 1000000007\n\n #define pa pair<int,int>\n\n #define ll long long\n\n #define pal pair<ll,ll>\n\n #define ppa pair<int,pa>\n\n #define mp make_pair\n\n #define pb push_back\n\n #define EPS (1e-10)\n\n #define equals(a,b) (fabs((a)-(b))<EPS)\n\n \n\n using namespace std;\n\n \n\n class Point{\n\n \tpublic:\n\n \tdouble x,y;\n\n \tPoint(double x=0,double y=0):x(x),y(y) {}\n\n \tPoint operator + (Point p) {return Point(x+p.x,y+p.y);}\n\n \tPoint operator - (Point p) {return Point(x-p.x,y-p.y);}\n\n \tPoint operator * (double a) {return Point(x*a,y*a);}\n\n \tPoint operator / (double a) {return Point(x/a,y/a);}\n\n \tdouble absv() {return sqrt(norm());}\n\n \tdouble norm() {return x*x+y*y;}\n\n \tbool operator < (const Point &p) const{\n\n \t\treturn x != p.x ? x<p.x: y<p.y;\n\n \t}\n\n \tbool operator == (const Point &p) const{\n\n \t\treturn fabs(x-p.x)<EPS && fabs(y-p.y)<EPS;\n\n \t}\n\n };\n\n typedef Point Vector;\n\n \n\n struct Segment{\n\n Point p1,p2;\n\n };\n\n \n\n double hen(Vector a){\n\n if(fabs(a.x)<EPS && a.y>0) return acos(0);\n\n else if(fabs(a.x)<EPS && a.y<0) return 3*acos(0);\n\n else if(fabs(a.y)<EPS && a.x<0) return 2*acos(0);\n\n else if(fabs(a.y)<EPS && a.x>0) return 0.0;\n\n else if(a.y>0) return acos(a.x/a.absv());\n\n else return 2*acos(0)+acos(-a.x/a.absv());\n\n \n\n }\n\n \n\nint gcd(int v,int b){\n\n\tif(v>b) return gcd(b,v);\n\n\tif(v==b) return b;\n\n\tif(b%v==0) return v;\n\n\treturn gcd(v,b%v);\n\n}\n\n double dot(Vector a,Vector b){\n\n \treturn a.x*b.x+a.y*b.y;\n\n }\n\n double cross(Vector a,Vector b){\n\n \treturn a.x*b.y-a.y*b.x;\n\n }\n\n \n\n //----------------kokomade tenpure------------\n\n\n\nint dp[400][400][400]={0};\n\n signed main(){\n\n\t\n\n\tdp[0][1][1]=1;\n\n \t\n\n \tint n,m;\n\n \tcin>>n>>m;\n\n \t\n\n \tfor(int i=0;i<=m;i++)for(int j=1;j<=i+1;j++)for(int k=1;k<=j;k++){\n\n \t//\tcout<<i<<\" \"<<j<<\" \"<<k<<\" \"<<dp[i][j][k]<<endl; \n\n \t\tint u=dp[i][j][k];\n\n \t\t\n\n \t\tdp[i+1][j][j] += k*u;\n\n \t\tdp[i+1][j][j] %= inf;\n\n \t\tdp[i+1][j][k] += (j-k)*u;\n\n \t\tdp[i+1][j][k] %= inf;\n\n \t\tdp[i+1][j+1][k] += (n-j)*u;\n\n \t\tdp[i+1][j+1][k] %=inf;\n\n \t}\n\n \n\n \n\n \t\n\n \tcout<<dp[m][n][n]<<endl;\n\n \t\n\n //\tprintf(\"%.10f\\n\",ans);\n\n \treturn 0;\n\n }\n```", "split": "test", "task_id": "pie_cpp_test_000302"}7{"label": "pie_cpp_test_000303", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 112, "hidden_test_count": 1, "problem_id": "p03914", "reference_metric": "runtime_cpu_ns", "reference_value": 112, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_000303.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_000303", "task_path": "tasks/test/pie_cpp_test_000303.json", "visible_test_count": 1}, "problem_id": "p03914", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n\n\nusing namespace std;\n\n\n\nclass mint{\n\n\tstatic const int MOD=1e9+7;\n\n\tint x;\n\npublic:\n\n\tmint():x(0){}\n\n\tmint(long long y){ x=y%MOD; if(x<0) x+=MOD; }\n\n\n\n\tmint& operator+=(const mint& m){ x+=m.x; if(x>=MOD) x-=MOD; return *this; }\n\n\tmint& operator-=(const mint& m){ x-=m.x; if(x< 0) x+=MOD; return *this; }\n\n\tmint& operator*=(const mint& m){ x=1LL*x*m.x%MOD; return *this; }\n\n\tmint& operator/=(const mint& m){ return *this*=inverse(m); }\n\n\tmint operator+(const mint& m)const{ return mint(*this)+=m; }\n\n\tmint operator-(const mint& m)const{ return mint(*this)-=m; }\n\n\tmint operator*(const mint& m)const{ return mint(*this)*=m; }\n\n\tmint operator/(const mint& m)const{ return mint(*this)/=m; }\n\n\n\n\tfriend mint inverse(const mint& m){\n\n\t\tint a=m.x,b=MOD,u=1,v=0;\n\n\t\twhile(b>0){ int t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); }\n\n\t\treturn u;\n\n\t}\n\n\n\n\tfriend istream& operator>>(istream& is,mint& m){ long long t; is>>t; m=mint(t); return is; }\n\n\tfriend ostream& operator<<(ostream& os,const mint& m){ return os<<m.x; }\n\n\tint to_int()const{ return x; }\n\n};\n\n\n\nmint operator*(long long y,const mint& m){ return m*y; }\n\n\n\nint main(){\n\n\tint n,m; scanf(\"%d%d\",&n,&m);\n\n\n\n\tmint dp[2][301][300]; // dp[\u9802\u70b9 0 \u3092\u542b\u3080\u5f37\u9023\u7d50\u6210\u5206\u306e\u30b5\u30a4\u30ba][\u65b0\u305f\u306b\u8a2a\u308c\u305f\u90e8\u5206\u306e\u30b5\u30a4\u30ba] = \u5834\u5408\u306e\u6570\n\n\tdp[0][1][0]=1;\n\n\tint curr=0,next=1;\n\n\trep(t,m){\n\n\t\trep(i,n+1) rep(j,n) dp[next][i][j]=0;\n\n\n\n\t\tfor(int i=1;i<=t+1;i++) rep(j,n-i+1) {\n\n\t\t\tdp[next][i+j][0]+=i*dp[curr][i][j]; // 0 \u3092\u542b\u3080\u5f37\u9023\u7d50\u6210\u5206\u306b\u79fb\u52d5\n\n\t\t\tdp[next][i][j]+=j*dp[curr][i][j]; // \u65b0\u305f\u306b\u8a2a\u308c\u305f j \u500b\u306e\u9802\u70b9\u306e\u3046\u3061\u306e\u3069\u308c\u304b\u306b\u79fb\u52d5\n\n\t\t\tdp[next][i][j+1]+=(n-i-j)*dp[curr][i][j]; // \u672a\u5230\u9054\u306e\u9802\u70b9\u306b\u79fb\u52d5\n\n\t\t}\n\n\t\tswap(curr,next);\n\n\t}\n\n\tprintf(\"%d\\n\",dp[curr][n][0].to_int());\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_000303"}8{"label": "pie_cpp_test_001503", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001503.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001503", "task_path": "tasks/test/pie_cpp_test_001503.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#define R register\n\n#define ll long long\n\nnamespace IO{\n\n\tchar buf[1<<15],*S,*T;\n\n\tinline char gc(){\n\n\t\tif (S==T){\n\n\t\t\tT=(S=buf)+fread(buf,1,1<<15,stdin);\n\n\t\t\tif (S==T) return EOF;\n\n\t\t}return *S++;\n\n\t}\n\n\tinline int read(){\n\n\t\tR int x; R bool f; R char c;\n\n\t\tfor (f=0; (c=gc())<'0'||c>'9'; f=c=='-');\n\n\t\tfor (x=c^'0'; (c=gc())>='0'&&c<='9'; x=(x<<3)+(x<<1)+(c^'0'));\n\n\t\treturn f?-x:x;\n\n\t}\n\n}\n\n#define MN 1000005\n\n#define M (1<<20)\n\n#define P 1000000007\n\nint n,T[M<<1],ans,tt;\n\ninline void rw(int &x,int y){x+=y; if (x>=P) x-=P;}\n\ninline int mul(int x,int y){return (ll)x*y%P;}\n\ninline void modify(int l,int r,int v){\n\n\tfor (l+=M-1,r+=M+1; l^r^1; l>>=1,r>>=1){\n\n\t\tif (~l&1) rw(T[l^1],v);\n\n\t\tif ( r&1) rw(T[r^1],v);\n\n\t}\n\n}\n\ninline int query(int k){\n\n\tR int res=0;\n\n\tfor (k+=M; k; k>>=1)\n\n\t\trw(res,T[k]);\n\n\treturn res;\n\n}\n\nint main(){\n\n\tn=IO::read();T[M]=1;tt=mul(n-1,n-1);\n\n\tfor (R int i=0,f; i<n-1; ++i){\n\n\t\tf=query(i);rw(ans,mul(f,tt));rw(ans,mul(f,i+1));\n\n\t\trw(T[M+i+1],f);if (i+3<=n)modify(i+3,n,f);\n\n\t}rw(ans,mul(query(n-1),n));rw(ans,query(n));\n\n\tprintf(\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001503"}9{"label": "pie_cpp_test_001504", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001504.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001504", "task_path": "tasks/test/pie_cpp_test_001504.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ll long long\n\n#define ld long double\n\n#define f first\n\n#define s second\n\n#define mp make_pair\n\n#define pb push_back\n\n#define vll vector<ll>\n\n\n\nusing namespace std;\n\n\n\nconst ll N = 4e5+100;\n\nconst ll MOD = 1e9+7;\n\nstring s,t;\n\nll tree[N];\n\n\n\nvoid build(ll node,ll l,ll r)\n\n{\n\n\tif(l==r)\n\n\t{\n\n\t\ttree[node] = (s[l-1] == t[r-1]);\n\n\t}\n\n\telse\n\n\t{\n\n\t\tll mid = (l + r) >> 1LL;\n\n\t\tbuild(node*2,l,mid);\n\n\t\tbuild(2*node+1,mid+1,r);\n\n\t\ttree[node] = tree[node*2] + tree[node*2+1];\n\n\t}\n\n}\n\n\n\nll query(ll node,ll st,ll en,ll l,ll r)\n\n{\n\n\tif(r < st || l> en) return 0;\n\n\tif(st >= l && en <= r) return tree[node];\n\n\tll mid = (st + en)/2;\n\n\tll p1 = query(node*2,st,mid,l,r);\n\n\tll p2 = query(node*2+1,mid+1,en,l,r);\n\n\treturn p1 + p2;\n\n}\n\nll dp[1000005];\n\nll pre[1000005];\n\nint main()\n\n{\n\n\tll n;\n\n\tcin >> n;\n\n\tif(n==1) return cout<<n << endl,0;\n\n\tif(n==2) return cout << (n *n) %MOD << endl,0;\n\n\tdp[0] = 1;\n\n\tdp[1] = 1;\n\n\tll ans = (n-1 + (n-1) * (n-1) * 2) %MOD;\n\n\tfor(ll k =2,i = 1;k<n;k++)\n\n\t{\n\n\t\tdp[k] = (i % MOD);\n\n\t\tll xx;\n\n\t\tif(k==n-1) xx = 1;\n\n\t\telse xx = n-1;\n\n\t\tans = (ans + dp[k] * (n-1) % MOD * (xx) % MOD ) %MOD;\t\n\n\t\tans = (ans + (n-1) * dp[k-1] %MOD)\t%MOD;\n\n\t\ti = (i + dp[k] + dp[k-2] - dp[k-1] + MOD) %MOD;\n\n\t}\n\n\tans++;\n\n\tif(ans < MOD) ans += MOD;ans%=MOD;\n\n\tcout << ans << endl;\n\n\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001504"}10{"label": "pie_cpp_test_001505", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001505.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001505", "task_path": "tasks/test/pie_cpp_test_001505.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define int long long\n\nconst int M = 1000000007;\n\n\n\nint sq(int n) {\n\n\treturn (n*n) % M;\n\n}\n\n\n\nsigned main() {\n\n\tios::sync_with_stdio(0); cin.tie(0);\n\n\n\n\t// sequence is mostly 1\n\n\t// two non-1s consecutive --> sequence terminates\n\n\t// operations:\n\n\t// place 1 --> place anything next --> 1 way to\n\n\t// place k > 1\n\n\t//\t\t--> jump to i+k, placing full 1 along the way --> 1 way\n\n\t//\t\t--> jump to INF, placing a non-1 value --> (n-1) ways\n\n\t// O(N^2) dp --> how to O(N)?\n\n\t// at position n --> can place anything --> still terminates --> n ways\n\n\t// at position > n --> consider to be terminated --> n+3\n\n\t// terminate at position n and > n\n\n\t// ans = dp[n]*n + dp[n+3]\n\n\t\n\n\tint n; cin >> n;\n\n\tvector<int> dp(n+5);\n\n\tdp[0] = 1; dp[1] = M - 1;\n\n\tfor (int i = 0; i <= n; i++) {\n\n\t\tif (i) dp[i] += dp[i-1];\n\n\t\tdp[i] %= M;\n\n\t\tif (dp[i] < 0) dp[i] += M;\n\n\t\t\n\n\t\tint val = dp[i];\n\n\t\t// at n --> terminates placing anything\n\n\t\tif (i == n) {\n\n\t\t\tbreak;\n\n\t\t}\n\n\t\t\n\n\t\t// one way to reach the next\n\n\t\tdp[i+1] = (dp[i+1] + val) % M;\n\n\t\tdp[i+2] = (dp[i+2] - val) % M;\n\n\t\t\n\n\t\tif (!i) continue;\n\n\t\t\n\n\t\t// one way to reach each of min(i+2+1, n) using 1 --> sum n-1\n\n\t\tint reachable = max(0LL, n - (i+2));\n\n\t\tint inf_reach = (n-1) - reachable;\n\n\t\t\n\n\t\tdp[i+3] = (dp[i+3] + val) % M;\n\n\t\tdp[n+1] = (dp[n+1] - val) % M;\n\n\t\t\n\n\t\tdp[n+3] = (dp[n+3] + val*inf_reach) % M;\n\n\t\t\n\n\t\t// terminate immediately --> (n-1)*(n-1) ways\n\n\t\tdp[n+3] = (dp[n+3] + val*sq(n-1)) % M;\n\n\t}\n\n\t\n\n\tfor (int i = 1; i <= n; i++) {\n\n\t\t//cout << dp[i] << ' ';\n\n\t}\n\n\t//cout << dp[n+3] << '\\n';\n\n\t\n\n\tcout << (dp[n]*n + dp[n+3]) % M << '\\n';\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001505"}11{"label": "pie_cpp_test_001506", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001506.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001506", "task_path": "tasks/test/pie_cpp_test_001506.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define int long long\n\n#define in ({int x=0;int c=getchar(),n=0;for(;!isdigit(c);c=getchar()) n=(c=='-');for(;isdigit(c);c=getchar()) x=x*10+c-'0';n?-x:x;})\n\nmt19937 rng(chrono::steady_clock::now().time_since_epoch().count());\n\nint rnd(int l,int r){return l+rng()%(r-l+1);}\n\n#define fasty ios_base::sync_with_stdio(0),cin.tie(0);\n\n#define forinc(a,b,c) for(int a=b,_c=c;a<=_c;++a)\n\n#define fordec(a,b,c) for(int a=b,_c=c;a>=_c;--a)\n\n#define forv(a,b) for(auto&a:b)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define ii pair<int,int>\n\n#define mt make_tuple\n\n#define all(a) a.begin(),a.end()\n\n#define reset(f, x) memset(f, x, sizeof(f))\n\n#define bit(x,i) ((x>>(i-1))&1)\n\n#define on(x,i) (x|(1ll<<(i-1)))\n\n#define off(x,i) (x&~(1<<(i-1)))\n\n#define gg exit(0);\n\n\n\n\n\nconst int M=1000000007;\n\n\n\nint n,ret=1,tmp=1;\n\nint f[1000010];\n\n\n\nmain(){\n\n #define task \"TASK\"\n\n //freopen(task\".inp\",\"r\",stdin);\n\n //freopen(task\".out\",\"w\",stdout);\n\n\n\n n=in;\n\n forinc(i,1,n){\n\n f[i]=(f[i]+f[i-1])%M;\n\n tmp=(tmp+f[i])%M;\n\n f[i+3]=(f[i+3]+tmp)%M;\n\n ret=(ret+tmp%M*(n-1)%M*(i==n ? 1 : n)%M)%M;\n\n }\n\n cout<<ret;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001506"}12{"label": "pie_cpp_test_001507", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001507.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001507", "task_path": "tasks/test/pie_cpp_test_001507.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n//#pragma GCC optimize(\"O3\")\n\n#include <bits/stdc++.h>\n\n\n\n#define f first\n\n#define s second\n\n#define eb emplace_back\n\n#define sz(s) ((int) s.size ())\n\n#define all(s) (s.begin (), s.end ())\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst int N = (int) 1e6 + 5;\n\nconst int mod = (int) 1e9 + 7;\n\n\n\nint n, dp[N];\n\nll s;\n\n\n\ninline void solve () {\n\n scanf (\"%d\", &n);\n\n dp[0] = 1; dp[1] = n; s = n + 1;\n\n for (int i = 2; i <= n; i++) {\n\n dp[i] = ((n - 1) * 1LL * (n - 1) + s - dp[i - 2] + n - i + 1) % mod;\n\n s += dp[i];\n\n }\n\n printf (\"%d\\n\", dp[n]);\n\n}\n\n\n\nint tests = 1;\n\n\n\nint main () {\n\n// freopen (\".in\", \"r\", stdin);\n\n// freopen (\".out\", \"w\", stdout);\n\n// scanf (\"%d\", &tests);\n\n while (tests--) {\n\n solve ();\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001507"}13{"label": "pie_cpp_test_001508", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001508.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001508", "task_path": "tasks/test/pie_cpp_test_001508.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define M 1000010\n\n#define MOD 1000000007\n\n#define rep(i, x, y) for(int i = (x); i <= (y); i ++)\n\ninline int read() {\n\n\tchar ch = getchar(); int x = 0, f = 1;\n\n\twhile(ch < '0' || ch > '9') {\n\n\t\tif(ch == '-') f = -1;\n\n\t\tch = getchar();\n\n\t} while('0' <= ch && ch <= '9') {\n\n\t\tx = x * 10 + ch - '0';\n\n\t\tch = getchar();\n\n\t} return x * f;\n\n}\n\nint f[M];\n\nint sum = 0;\n\nint main() {\n\n\tint n = read(); sum = f[1] = n;\n\n\tf[2] = 1ll * n * n % MOD; (sum += f[2]) %= MOD;\n\n\trep(i, 3, n) {\n\n\t\tf[i] = 1ll * (n - 1) * (n - 1) % MOD;\n\n\t\t(f[i] += sum) %= MOD;\n\n\t\t(f[i] += MOD - f[i - 2]) %= MOD;\n\n\t\t(f[i] += n - i + 2) %= MOD;\n\n\t\t(sum += f[i]) %= MOD;\n\n\t} cout << f[n];\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001508"}14{"label": "pie_cpp_test_001509", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001509.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001509", "task_path": "tasks/test/pie_cpp_test_001509.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define N 1000005\n\n#define ll long long\n\n#define For(i,x,y) for(int i=(x);i<=(y);++i)\n\n#define Rof(i,x,y) for(int i=(x);i>=(y);--i)\n\n#define Edge(x) for(int i=head[x];i;i=e[i].nxt)\n\n#define mset(x,y) memset(x,y,sizeof(x))\n\n#define strL strlen\n\n#define p_b push_back\n\n#define mcpy(x,y) memcpy(x,y,sizeof(x))\n\n#define lson l,mid,(o<<1)\n\n#define rson mid+1,r,((o<<1)|1)\n\n#define Ls (t[o].ls)\n\n#define Rs (t[o].rs)\n\n#define mod 1000000007\n\nusing namespace std;\n\nll sum[N],dp[N],_[N];\n\nint main(){\n\n\tint n;ll ans=0;\n\n\tscanf(\"%d\",&n);\n\n\tdp[0]=sum[0]=1;\n\n\tFor(i,1,n-1){\n\n\t\tdp[i]=dp[i-1];\n\n\t\tif(i>=3) (dp[i]+=sum[i-3])%=mod;\n\n\t\tsum[i]=(sum[i-1]+dp[i])%mod; \n\n\t}\n\n\tFor(i,0,n-2) (ans+=1ll*dp[i]*n%mod*(1ll*n-1)%mod)%=mod;\n\n\t(ans+=dp[n-1]*(1ll*n-1)%mod)%=mod;\n\n\tprintf(\"%lld\\n\",(ans+1)%mod);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001509"}15{"label": "pie_cpp_test_001510", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001510.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001510", "task_path": "tasks/test/pie_cpp_test_001510.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int N=1e6+2;\n\nconst int mod=1e9+7;\n\nint dp[N],sdp[N];\n\nvoid add(int &x,int y){\n\n\tx+=y;\n\n\tif(x>=mod){\n\n\t\tx-=mod;\n\n\t}\n\n}\n\nint mul(int x,int y){\n\n\treturn (1ll*x*y)%mod;\n\n}\n\nsigned main(){\n\n\tios::sync_with_stdio(0);\n\n\tcin.tie(0);\n\n\tint n,i,j,k,l,ans=0;\n\n\tcin>>n;\n\n\tdp[0]=1;\n\n\tsdp[0]=1;\n\n\tfor(i=1;i<=n;i++){\n\n\t\tadd(dp[i],dp[i-1]);\n\n\t\tif(i>2){\n\n\t\t\tadd(dp[i],sdp[i-3]);\n\n\t\t}\n\n\t\tsdp[i]=sdp[i-1];\n\n\t\tadd(sdp[i],dp[i]);\n\n\t}\n\n\tfor(i=1;i<=n;i++){\n\n\t\tif(i<n){\n\n\t\t\tadd(dp[n],mul(dp[i-1],mul(n-1,n-1)));\n\n\t\t}\n\n\t\tadd(dp[n],mul(dp[i-1],min(i,n-1)));\n\n\t}\n\n\tcout<<dp[n];\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001510"}16{"label": "pie_cpp_test_001511", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001511.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001511", "task_path": "tasks/test/pie_cpp_test_001511.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define int long long\n\n\n\nconst int mod = 1e9+7;\n\n\n\nint n;\n\nint f[1000001];\n\n\n\nint sub(int a,int b)\n\n{\n\n\tint c = ((a - b)%mod + mod)%mod;\n\n\treturn c;\n\n}\n\n\n\nint add(int a,int b)\n\n{\n\n\tint c = (a + b)%mod;\n\n\treturn c;\n\n}\n\n\n\nint mul(int a,int b)\n\n{\n\n\tint c = (a * b)%mod;\n\n\treturn c;\n\n}\n\n\n\nint32_t main()\n\n{\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(0);\n\n\tcout.tie(0);\n\n\n\n\tcin >> n;\n\n\tf[0] = 1, f[1] = n; \n\n\tint sum = f[0] + f[1];\n\n\tfor (int i=2;i<=n;i++)\n\n\t{\n\n\t\tf[i] = add(add(mul(n-1,n-1), sub(sum,f[i-2])), (n - i + 1));\n\n\t\tsum = add(sum,f[i]);\n\n\t}\t\n\n\tcout << f[n];\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001511"}17{"label": "pie_cpp_test_001512", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001512.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001512", "task_path": "tasks/test/pie_cpp_test_001512.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define LL long long\n\n#define db double\n\n\n\nusing namespace std;\n\nconst int N=1e6+10,mod=1e9+7;\n\nint rd()\n\n{\n\n int x=0,w=1;char ch=0;\n\n while(ch<'0'||ch>'9'){if(ch=='-') w=-1;ch=getchar();}\n\n while(ch>='0'&&ch<='9'){x=x*10+(ch^48);ch=getchar();}\n\n return x*w;\n\n}\n\nvoid ad(int &x,int y){x+=y,x-=x>=mod?mod:0;}\n\nint n,f[N],sm,ans;\n\n\n\nint main()\n\n{\n\n///\n\n\tn=rd(),f[0]=sm=1;\n\n\tad(ans,1ll*(n-1)*(n-1)%mod),ad(ans,min(2,n-1));\n\n\tfor(int i=1;i<n;++i)\n\n\t{\n\n\t\tf[i]=sm;\n\n\t\tif(i>=2) ad(f[i],mod-f[i-2]);\n\n\t\tad(sm,f[i]);\n\n\t\tif(i<n-1) ad(ans,1ll*(n-1)*(n-1)%mod*f[i]%mod),ad(ans,1ll*min(i+2,n-1)*f[i]%mod);\n\n\t}\n\n\tad(ans,1ll*n*f[n-1]%mod);\n\n\tprintf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001512"}18{"label": "pie_cpp_test_001513", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001513.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001513", "task_path": "tasks/test/pie_cpp_test_001513.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\nusing namespace std;\n\n#define inf 1000000007\n\nint m,f[1000003],a;\n\nint main()\n\n{\n\n scanf(\"%d\",&m);f[m]=m;\n\n f[m-1]=(long long)m*m%inf;\n\n for(int i=m-2;i>=1;--i)\n\n {\n\n a=(a+f[i+3])%inf;f[i]=f[i+1];\n\n f[i]=(f[i]+(long long)(m-1)*(m-1)%inf)%inf;\n\n f[i]=(f[i]+a)%inf;f[i]=(f[i]+i+1)%inf;\n\n }\n\n printf(\"%d\\n\",f[1]);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001513"}19{"label": "pie_cpp_test_001514", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001514.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001514", "task_path": "tasks/test/pie_cpp_test_001514.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define mod 1000000007\n\nusing namespace std;\n\nint n,f[1000005];\n\nint sum;\n\n\n\nint main(){\n\n\tcin>>n;\n\n\tf[0]=f[1]=1;\n\n\tsum=2;\n\n\tfor(int i=2;i<=n;i++){\n\n\t\tf[i]=(sum-f[i-2]+mod)%mod;\n\n\t\tsum=(sum+f[i])%mod;\n\n\t}\n\n\tf[n]=(f[n]+1ll*f[n-1]*(n-1)%mod)%mod;\n\n\tfor(int i=2;i<=n;i++) f[n]=(f[n]+1ll*(n-i+1)*f[n-i]%mod)%mod;\n\n\tint ans=f[n];\n\n\tfor(int i=0;i<n-1;i++) ans=(ans+1ll*(n-1)*(n-1)%mod*f[i]%mod)%mod;\n\n\tcout<<ans<<endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001514"}20{"label": "pie_cpp_test_001515", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 15, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 15, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001515.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001515", "task_path": "tasks/test/pie_cpp_test_001515.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint n,f[2000001],add,p=1e9+7;\n\nint main(){\n\n scanf(\"%d\",&n);\n\n f[n]=n;\n\n f[n-1]=(long long)n*n%p;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n add=(add+f[i+3])%p;\n\n f[i]=f[i+1];\n\n f[i]=(f[i]+(long long)(n-1)*(n-1)%p)%p;\n\n f[i]=(f[i]+add)%p;\n\n f[i]=(f[i]+i+1)%p;\n\n }\n\n printf(\"%d\",f[1]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001515"}21{"label": "pie_cpp_test_001516", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001516.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001516", "task_path": "tasks/test/pie_cpp_test_001516.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int mod=1000000007;\n\nint n,f[1000010],add;\n\nint main()\n\n{\n\n scanf(\"%d\",&n);\n\n f[n]=n;\n\n f[n-1]=(long long)n*n%mod;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n add=(add+f[i+3])%mod;\n\n f[i]=f[i+1],f[i]=(f[i]+(long long)(n-1)*(n-1)%mod)%mod,f[i]=(f[i]+add)%mod,f[i]=(f[i]+i+1)%mod;\n\n }\n\n cout<<f[1]<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001516"}22{"label": "pie_cpp_test_001517", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001517.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001517", "task_path": "tasks/test/pie_cpp_test_001517.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long lint;\n\n#define fint register int\n\n#define flint register lint\n\n\n\ninline int ty()\n\n{\n\n\tfint a=0,b=1,c=getchar();\n\n\twhile(!isdigit(c))b^=c=='-',c=getchar();\n\n\twhile(isdigit(c))a=a*10+c-48,c=getchar();\n\n\treturn b?a:-a;\n\n}\n\n\n\nconst int _ = 1000007 , mo = 1000000007;\n\n\n\nint n;\n\nlint f[_]={0};\n\n\n\nint main()\n\n{\n\n\tn=ty();\n\n\n\n\tf[n]=n,f[n-1]=1ll*n*n%mo;\n\n\tflint sf=0;\n\n\tfor(fint i=n-2;i>=1;i--)\n\n\t{\n\n\t\tsf=(sf+f[i+3])%mo;\n\n\t\tf[i]=(f[i+1]+(1ll*n-1)*(1ll*n-1)%mo+sf+i+1)%mo;\n\n\t}\n\n\tprintf(\"%lld\\n\",f[1]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001517"}23{"label": "pie_cpp_test_001518", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001518.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001518", "task_path": "tasks/test/pie_cpp_test_001518.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define re register\n\n#define in inline\n\n#define ll long long\n\n#define get getchar()\n\n#define mian main\n\nconst int _=1e6+10;\n\nconst int mod=1e9+7;\n\nll f[_];\n\nint main()\n\n{\n\n\tll n;\n\n\tscanf(\"%lld\",&n);\n\n\tf[n]=n;\n\n\tf[n-1]=(n*n)%mod;\n\n\tll ans=0;\n\n\tfor (re int i=n-2; i>=1; i--)\n\n\t{\n\n\t\tans=(ans+f[i+3])%mod;\n\n\t\tf[i]=((((f[i+1]+((n-1)*(n-1))%mod)%mod)+ans)%mod+i+1)%mod;\n\n\t}\n\n\tcout<<f[1]<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001518"}24{"label": "pie_cpp_test_001519", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 15, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 15, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001519.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001519", "task_path": "tasks/test/pie_cpp_test_001519.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define MAXN 1000010\n\n#define mod 1000000007\n\nint n,f[MAXN],add;\n\nint main()\n\n{\n\n scanf(\"%d\",&n);\n\n f[n]=n;\n\n f[n-1]=(long long)n*n%mod;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n add=(add+f[i+3])%mod;\n\n f[i]=f[i+1];\n\n f[i]=(f[i]+(long long)(n-1)*(n-1)%mod)%mod;\n\n f[i]=(f[i]+add)%mod;\n\n f[i]=(f[i]+i+1)%mod;\n\n }\n\n printf(\"%d\\n\",f[1]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001519"}25{"label": "pie_cpp_test_001520", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 16, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 16, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001520.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001520", "task_path": "tasks/test/pie_cpp_test_001520.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n//using namespace std;\n\n#define rep(i,j,n) for(ll i=(ll)(j);i<(ll)(n);i++)\n\n#define REP(i,j,n) for(ll i=(ll)(j);i<=(ll)(n);i++)\n\n#define per(i,j,n) for(ll i=(ll)(j);(ll)(n)<=i;i--)\n\n#define ll long long\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(ll)(key)))\n\n#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(ll)(key)))\n\n#define pb push_back\n\n#define mp std::make_pair\n\n#define endl \"\\n\"\n\nusing std::cin;\n\nusing std::cout;\n\nusing std::vector;\n\nusing std::string;\n\nusing std::upper_bound;\n\nusing std::lower_bound;\n\nusing vi=vector<ll>;\n\nusing vii=vector<vi>;\n\nusing pii=std::pair<ll,ll>;\n\nconst ll MOD=1e9+7;\n\n//const ll MOD=998244353;\n\n//const ll MOD=100000;\n\nconst ll MAX=1e7;\n\nconst ll INF=(1ll<<60);\n\ntemplate<class T>\n\nclass prique :public std::priority_queue<T, std::vector<T>, std::greater<T>> {};\n\nstruct Binary_indexed_tree{\n\n int N;\n\n vi bit;\n\n Binary_indexed_tree(int n):N(n){\n\n bit.resize(N+1,0);\n\n }\n\n void add(int x,int a){\n\n for(x;x<=N;x+=(x&-x)) bit[x]+=a;\n\n }\n\n ll sum(int x){\n\n ll ret=0;\n\n for(x;x>0;x-=(x&-x)) ret+=bit[x];\n\n return ret;\n\n }\n\n};\n\nstruct Union_Find{\n\n ll N;\n\n vi par;\n\n vi siz;\n\n Union_Find(int n):N(n){\n\n par.resize(N);\n\n siz.resize(N,1);\n\n rep(i,0,N) par[i]=i;\n\n }\n\n ll root(ll X){\n\n if(par[X]==X) return X;\n\n return par[X]=root(par[X]);\n\n }\n\n bool same(ll X,ll Y){\n\n return root(X)==root(Y);\n\n }\n\n void unite(ll X,ll Y){\n\n X=root(X);\n\n Y=root(Y);\n\n if(X==Y) return;\n\n par[X]=Y;\n\n siz[Y]+=siz[X];\n\n siz[X]=0;\n\n }\n\n ll size(ll X){\n\n return siz[root(X)];\n\n }\n\n};\n\nll modpow(ll X,ll Y){\n\n ll sum=X,cnt=1;\n\n vi A;\n\n while(cnt<=Y){\n\n A.pb(sum);\n\n sum*=sum;\n\n sum%=MOD;\n\n cnt*=2;\n\n }\n\n int M=A.size();\n\n ll ret=1;\n\n REP(i,1,M){\n\n if(Y>=(1ll<<M-i)){\n\n Y-=(1ll<<M-i);\n\n ret*=A[M-i];\n\n ret%=MOD;\n\n }\n\n }\n\n return ret;\n\n}\n\nll fac[MAX],finv[MAX],inv[MAX];\n\nvoid COMinit() {\n\n fac[0] = fac[1] = 1;\n\n finv[0] = finv[1] = 1;\n\n inv[1] = 1;\n\n for (int i = 2; i < MAX; i++){\n\n fac[i] = fac[i - 1] * i % MOD;\n\n inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD;\n\n finv[i] = finv[i - 1] * inv[i] % MOD;\n\n }\n\n}\n\nll COM(ll n,ll r){\n\n if(n<r||n<0||r<0) return 0;\n\n return fac[n]*finv[r]%MOD*finv[n-r];\n\n}\n\nsigned main(){\n\n ll N; cin>>N;\n\n if(N==1){\n\n cout<<1<<endl;\n\n return 0;\n\n }\n\n vi dp(N+1);\n\n vi sum(N+1);\n\n dp[1]=sum[1]=1;\n\n ll ans=(dp[1]*(N-1)%MOD*(N-1)%MOD+dp[1]*std::min(2ll,N-1))%MOD;\n\n rep(i,2,N){\n\n dp[i]=sum[i-1]-dp[i-2];\n\n dp[i]=(dp[i]+MOD)%MOD;\n\n ans+=dp[i]*(N-1)%MOD*(N-1)%MOD;\n\n ans+=dp[i]*std::min(N-1,i+1)%MOD;\n\n ans%=MOD;\n\n sum[i]=(sum[i-1]+dp[i])%MOD;\n\n }\n\n dp[N]=sum[N-1]-dp[N-2];\n\n dp[N]=(dp[N]+MOD)%MOD;\n\n ans+=dp[N]*N%MOD;\n\n ans%=MOD;\n\n cout<<ans<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001520"}26{"label": "pie_cpp_test_001521", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001521.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001521", "task_path": "tasks/test/pie_cpp_test_001521.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\n#define MN 1000005\n\nusing namespace std;\n\nconst int mod=1e9+7;\n\nint dp[MN],sum[MN],n,res;\n\nint main(){\n\n\tscanf(\"%d\",&n);dp[0]=sum[0]=1;res=1ll*(n-1)*(n-1)%mod;\n\n\tfor(int i=1;i<n;i++){\n\n\t\tdp[i]=dp[i-1]+(i-3>=0?sum[i-3]:0),dp[i]%=mod;\n\n\t\tsum[i]=sum[i-1]+dp[i],sum[i]%=mod;\n\n\t\tif(i<n-1)res+=1ll*dp[i]*(n-1)%mod*(n-1)%mod,res%=mod;else res+=1ll*dp[i]*(n-1)%mod,res%=mod;\n\n\t}\n\n\tfor(int i=0;i<n-1;i++)dp[n]+=1ll*dp[i]*((i+n+1)-max(n,i+3)+1)%mod,dp[n]%=mod;res+=(dp[n]+dp[n-1])%mod;printf(\"%d\\n\",res%=mod);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001521"}27{"label": "pie_cpp_test_001522", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001522.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001522", "task_path": "tasks/test/pie_cpp_test_001522.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\nusing namespace std;\n\nconst long long Mod=1e9+7;\n\nlong long n,f[1000005],s[1000005],ans;\n\nint main()\n\n{\n\n scanf(\"%lld\",&n);\n\n f[1]=f[2]=f[0]=s[0]=1;s[1]=2;s[2]=3;\n\n for(long long i=3;i<=n;i++)\n\n {\n\n f[i]=(f[i-1]+s[i-3])%Mod;\n\n s[i]=(s[i-1]+f[i])%Mod;\n\n }\n\n long long ans=f[n];\n\n ans=(ans+1ll*f[n-1]*(n-1)%Mod)%Mod;\n\n for(int i=0;i<=n-2;i++) ans=(ans+1ll*f[i]*(1ll*(n-1)*(n-1)%Mod+i+1)%Mod)%Mod;\n\n printf(\"%lld\\n\",1ll*ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001522"}28{"label": "pie_cpp_test_001523", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001523.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001523", "task_path": "tasks/test/pie_cpp_test_001523.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <iostream>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int MAXN = 1100000;\n\nconst int MOD = 1e9 + 7;\n\nll dp[MAXN], sumv;\n\n\n\nint main(){\n\n\tll n; scanf(\"%lld\", &n);\n\n\tdp[1] = n; dp[2] = (n * n) % MOD;\n\n\tfor(int i = 3; i <= n; ++ i){\n\n\t\tsumv += dp[i - 3];\n\n\t\tsumv %= MOD;\n\n\t\tdp[i] += dp[i - 1];\n\n\t\tdp[i] += (n - 1) * (n - 1) % MOD;\n\n\t\tdp[i] += sumv + n - i + 2;\n\n\t\tdp[i] %= MOD;\n\n\t}\n\n\tprintf(\"%lld\\n\", dp[n]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001523"}29{"label": "pie_cpp_test_001524", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001524.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001524", "task_path": "tasks/test/pie_cpp_test_001524.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define re register\n\n#define N 1000005\n\n#define mod 1000000007\n\nusing namespace std;\n\ntemplate<typename _int>\n\ninline void read(re _int&x){\n\n\tre _int res=0,flag=1;re char opt;\n\n\twhile((opt=getchar())<'0'||opt>'9')if(opt=='-')flag=-1;\n\n\twhile(opt>='0'&&opt<='9'){res=(res<<1)+(res<<3)+opt-48;opt=getchar();}\n\n\tx=res*flag;\n\n}\n\ntypedef long long ll; \n\nll n,dp[N],sum[N],ans;\n\nint main(void){\n\n\tre ll i;*dp=1;*sum=1;\n\n\tread(n);ans=(n>2);\n\n\tif(n==1)return puts(\"1\"),0;\n\n\tfor(i=1;i<=n;++i){\n\n\t\t(dp[i]+=(sum[i-1]-((i>=2)?dp[i-2]:0)+mod)%mod)%=mod;\n\n//\t\tprintf(\"%lld %lld\\n\",sum[i-1],((i>=2)?dp[i-2]:0));\n\n\t\tsum[i]=(sum[i-1]+dp[i])%mod;\n\n\t\tif(i<n-1)(ans+=(1ll*(n-1)*(n-1)%mod+min(i+2,n-1))*dp[i]%mod)%=mod;\n\n\t}\n\n\tprintf(\"%lld\\n\",((ans+1ll*n*dp[n-1]%mod)%mod+1ll*(n-1)*(n-1)%mod+1)%mod);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001524"}30{"label": "pie_cpp_test_001525", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001525.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001525", "task_path": "tasks/test/pie_cpp_test_001525.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int maxn=1000100,mod=1000000007;\n\n#define lson o<<1,l,mid\n\n#define rson o<<1|1,mid+1,r\n\n#define FOR(i,a,b) for(int i=(a);i<=(b);i++)\n\n#define ROF(i,a,b) for(int i=(a);i>=(b);i--)\n\n#define MEM(x,v) memset(x,v,sizeof(x))\n\ninline int read(){\n\n\tint x=0,f=0;char ch=getchar();\n\n\twhile(ch<'0' || ch>'9') f|=ch=='-',ch=getchar();\n\n\twhile(ch>='0' && ch<='9') x=x*10+ch-'0',ch=getchar();\n\n\treturn f?-x:x;\n\n}\n\nint n,f[maxn],s[maxn],ans;\n\nint main(){\n\n\tn=read();\n\n\tf[0]=s[0]=1;\n\n\tFOR(i,1,n){\n\n\t\tf[i]=f[i-1];\n\n\t\tif(i>=3) f[i]=(f[i]+s[i-3])%mod;\n\n\t\ts[i]=(s[i-1]+f[i])%mod;\n\n\t}\n\n\tFOR(i,0,n-2) ans=(ans+1ll*(i+1+1ll*(n-1)*(n-1))%mod*f[i])%mod;\n\n\tans=(ans+1ll*(n-1)*f[n-1])%mod;\n\n\tprintf(\"%d\\n\",(f[n]+ans)%mod);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001525"}31{"label": "pie_cpp_test_001526", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001526.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001526", "task_path": "tasks/test/pie_cpp_test_001526.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <cstring>\n\n#include <map>\n\n#include <set>\n\n#include <vector>\n\n#include <deque>\n\n#include <queue>\n\n\n\n#define pb push_back\n\n#define mp make_pair\n\n#define x first\n\n#define y second\n\n#define FOR(i, a, b) for(int i=a, loop=b; i<=loop; ++i)\n\n#define REV(i, a, b) for(int i=a, loop=b; i>=loop; --i)\n\n#define mize(a, b) a = min(a, b)\n\n#define maxi(a, b) a = max(a, b)\n\n#define shl(k) ((k) << 1)\n\nusing namespace std;\n\n\n\nconst int N = 1e6+5, mod = 1e9+7;\n\nint n;\n\nint64_t a[N], s[N], f[N];\n\n\n\nint main()\n\n{\n\n ios::sync_with_stdio(); cin.tie(0);\n\n\n\n cin >> n;\n\n s[0] = a[0] = 1;\n\n s[1] = a[1] = 2;\n\n f[0] = f[1] = 1;\n\n FOR(i, 2, n) {\n\n f[i] = s[i-2];\n\n a[i] = (a[i-1] + f[i]) % mod;\n\n s[i] = (s[i-1] + a[i-1]) % mod;\n\n }\n\n\n\n int64_t ans;\n\n if (n == 1) ans = 1; else {\n\n ans = (a[n-2]*(n-1)%mod*(n-1)%mod + f[n-1]*(n-1)%mod + f[n]) % mod;\n\n FOR(i, 1, n-1) ans = (ans + f[i-1]*i%mod) % mod;\n\n }\n\n cout << ans;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001526"}32{"label": "pie_cpp_test_001527", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001527.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001527", "task_path": "tasks/test/pie_cpp_test_001527.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n// includes\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n// macros\n\n#define pb emplace_back\n\n#define mk make_pair\n\n#define FOR(i, a, b) for(int i=(a);i<(b);++i)\n\n#define rep(i, n) FOR(i, 0, n)\n\n#define rrep(i, n) for(int i=((int)(n)-1);i>=0;i--)\n\n#define irep(itr, st) for(auto itr = (st).begin(); itr != (st).end(); ++itr)\n\n#define irrep(itr, st) for(auto itr = (st).rbegin(); itr != (st).rend(); ++itr)\n\n#define whole(x) (x).begin(),(x).end()\n\n#define sz(x) ((int)(x).size())\n\n#define bit(n) (1LL<<(n))\n\n// functions\n\ntemplate <typename T> void unique(T& c){c.erase(std::unique(c.begin(), c.end()), c.end());}\n\ntemplate <class T>bool chmax(T &a, const T &b){if(a < b){a = b; return 1;} return 0;}\n\ntemplate <class T>bool chmin(T &a, const T &b){if(a > b){a = b; return 1;} return 0;}\n\ntemplate <typename T> istream &operator>>(istream &is, vector<T> &vec){for(auto &v: vec)is >> v; return is;}\n\ntemplate <typename T> ostream &operator<<(ostream &os, const vector<T>& vec){for(int i = 0; i < vec.size(); i++){ os << vec[i]; if(i + 1 != vec.size())os << \" \";} return os;}\n\ntemplate <typename T> ostream &operator<<(ostream &os, const set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << \" \";} return os;}\n\ntemplate <typename T> ostream &operator<<(ostream &os, const unordered_set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << \" \";} return os;}\n\ntemplate <typename T> ostream &operator<<(ostream &os, const multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << \" \";} return os;}\n\ntemplate <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << \" \";} return os;}\n\ntemplate <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){os << \"(\" << p.first << \", \" << p.second << \")\"; return os;}\n\ntemplate <typename T1, typename T2> ostream &operator<<(ostream &os, const map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << \"(\" << itr->first << \", \" << itr->second << \")\"; auto titr = itr; if(++titr != mp.end())os << \" \"; } return os;}\n\ntemplate <typename T1, typename T2> ostream &operator<<(ostream &os, const unordered_map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << \"(\" << itr->first << \", \" << itr->second << \")\"; auto titr = itr; if(++titr != mp.end())os << \" \"; } return os;}\n\n// types\n\nusing ll = long long int;\n\nusing P = pair<int, int>;\n\n// constants\n\nconst int inf = 1e9;\n\nconst ll linf = 1LL << 50;\n\nconst double EPS = 1e-10;\n\nconst int mod = 1000000007;\n\nconst int dx[4] = {-1, 0, 1, 0};\n\nconst int dy[4] = {0, -1, 0, 1};\n\n// io\n\nstruct fast_io{\n\n fast_io(){ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(20);}\n\n} fast_io_;\n\n\n\ntemplate <class Monoid>\n\nclass SegmentTree{\n\n public:\n\n int n;\n\n using T = typename Monoid::value_type;\n\n vector<T> val;\n\n T identity;\n\n\n\n SegmentTree(){}\n\n SegmentTree(int n_, vector<T> v=vector<T>()){\n\n n = 1;\n\n while(n < n_)n *= 2;\n\n identity = Monoid::identity;\n\n val.assign(2*n-1, identity);\n\n\n\n for(size_t i = 0; i < v.size(); i++){\n\n val[i+n-1] = v[i];\n\n }\n\n for(int i = n - 2; i >= 0; i--){\n\n val[i] = Monoid::operation(val[2*i+1], val[2*i+2]);\n\n }\n\n }\n\n void update(int k, const T &t){\n\n k = k + n - 1;\n\n val[k] = t;\n\n while(k > 0){\n\n k = (k - 1) / 2;\n\n val[k] = Monoid::operation(val[2*k+1], val[2*k+2]);\n\n }\n\n }\n\n T query(int a, int b, int k, int l, int r){\n\n if(r <= a || b <= l)return identity;\n\n if(a <= l && r <= b)return val[k];\n\n T lv = query(a, b, 2*k+1, l, (l+r)/2);\n\n T rv = query(a, b, 2*k+2, (l+r)/2, r);\n\n return Monoid::operation(lv, rv);\n\n }\n\n T query(int a, int b){\n\n return query(a, b, 0, 0, n);\n\n }\n\n T get(int i){\n\n return val[i+n-1];\n\n }\n\n};\n\n\n\ntemplate <typename T>\n\nclass RSQ{\n\n public:\n\n const static T identity = 0;\n\n using value_type = T;\n\n\n\n RSQ(){}\n\n static T operation(T &l, T &r){\n\n return (l + r) % mod;\n\n }\n\n};\n\n\n\nll dp[1000100];\n\n\n\nint main(int argc, char const* argv[])\n\n{\n\n int n; cin >> n;\n\n SegmentTree<RSQ<ll>> seg(n);\n\n dp[n-1] = n;\n\n seg.update(n - 1, n);\n\n for(int i = n - 2; i >= 0; i--){\n\n dp[i] = (ll)(n - 1) * (ll)(n - 1) % mod;\n\n (dp[i] += dp[i+1]) %= mod;\n\n if(i + 3 < n)(dp[i] += seg.query(i + 3, n)) %= mod;\n\n int r = i + 2;\n\n if(n - i - 1 == 1)r--;\n\n (dp[i] += r) %= mod;\n\n seg.update(i, dp[i]);\n\n }\n\n cout << dp[0] << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001527"}33{"label": "pie_cpp_test_001528", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001528.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001528", "task_path": "tasks/test/pie_cpp_test_001528.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define LL long long\n\n#define N 1000010\n\n#define M 1000000007\n\nLL n,f[N],sum;\n\nint main()\n\n{\n\n\tscanf(\"%lld\",&n);\n\n\tf[n]=n,f[n-1]=(LL)n*n%M;\n\n\tfor(LL i=n-2;i>=1;--i)\n\n\t{\n\n\t\tsum=(sum+f[i+3])%M;\n\n\t\tf[i]=f[i+1];\n\n\t\tf[i]=(f[i]+(LL)(n-1)*(n-1)%M)%M;\n\n\t\tf[i]=(f[i]+sum)%M;\n\n\t\tf[i]=(f[i]+i+1)%M;\n\n\t}\n\n\tprintf(\"%lld\\n\",f[1]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001528"}34{"label": "pie_cpp_test_001529", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001529.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001529", "task_path": "tasks/test/pie_cpp_test_001529.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n\n\n#define MAXN 1000010\n\n#define mod 1000000007\n\n\n\nunsigned long long n,f[MAXN],add;\n\n\n\nint main()\n\n{\n\n scanf(\"%d\",&n);\n\n f[n]=n;\n\n f[n-1]=n*n%mod;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n add=(add+f[i+3])%mod;\n\n f[i]=(f[i+1]+(n-1)*(n-1)%mod)%mod;\n\n f[i]=(f[i]+add+i+1)%mod;\n\n }\n\n printf(\"%d\\n\",f[1]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001529"}35{"label": "pie_cpp_test_001530", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001530.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001530", "task_path": "tasks/test/pie_cpp_test_001530.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#import<bits/stdc++.h>\n\nusing namespace std;typedef\n\nlong long ll;ll N,d[1<<20]\n\n[2],i,a,c\n\n;ll t(int\n\nb){return\n\n((b-3>=0)\n\n?d[b-3][1]\n\n+N-b+1:N-1+810-810)%int(1e9+7)\n\n;}main(){;;scanf(\"%lld\",&N);a=\n\nc=(N-1)*(N-1)%1000000007;\"MM\";\n\nd[0][0]=N;d[0][1]=N;;for(i=1;i\n\n<=N;++i){*d[i]=(*d[i-1]+c+t(i)\n\n)%int(1e9+7)\n\n;d[i][1]=(\n\nd[i-1][1]+\n\n*d[i])%int(\n\n1e9+7);}cout\n\n<<*d[N - 1]\n\n<<endl;}\n```", "split": "test", "task_id": "pie_cpp_test_001530"}36{"label": "pie_cpp_test_001531", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001531.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001531", "task_path": "tasks/test/pie_cpp_test_001531.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n constexpr long MOD = 1000000007;\n\n long N;\n\n cin >> N;\n\n long dp{N};\n\n vector<long> sum(4, (N - 1) * N % MOD);\n\n sum[0] = 0;\n\n for(long i = 3, j = 2; i != N + 3; ++i, ++j)sum[i & 3] = (sum[j & 3] - 1 + (dp += sum[(j ^ 2) & 3])) % MOD;\n\n cout << dp % MOD << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001531"}37{"label": "pie_cpp_test_001532", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001532.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001532", "task_path": "tasks/test/pie_cpp_test_001532.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int m=1000000007;\n\nint n,f[1000005];\n\nint a;\n\nint main(){\n\n cin>>n;\n\n while(0){\n\n \tint ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;cin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;cin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;cin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;\n\n \tcin>>ggg;\n\n\t}\n\n f[n]=n;\n\n f[n-1]=(long long)n*n%m;\n\n for(int i=n-2;i>=1;i--){\n\n a=(a+f[i+3])%m;\n\n f[i]=f[i+1];\n\n f[i]=(f[i]+(long long)(n-1)*(n-1)%m)%m;\n\n f[i]+=a;\n\n f[i]%=m;\n\n f[i]+=i+1;\n\n f[i]%=m;\n\n }\n\n cout<<f[1]<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001532"}38{"label": "pie_cpp_test_001533", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001533.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001533", "task_path": "tasks/test/pie_cpp_test_001533.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define re register\n\n#define N 1000005\n\n#define mod 1000000007\n\nusing namespace std;\n\ntemplate<typename _int>\n\ninline void read(re _int&x){\n\n\tre _int res=0,flag=1;re char opt;\n\n\twhile((opt=getchar())<'0'||opt>'9')if(opt=='-')flag=-1;\n\n\twhile(opt>='0'&&opt<='9'){res=(res<<1)+(res<<3)+opt-48;opt=getchar();}\n\n\tx=res*flag;\n\n}\n\ntypedef long long ll; \n\nll n,dp[N],sum[N],ans;\n\nint main(void){\n\n\tre ll i;*dp=1;*sum=1;\n\n\tread(n);ans=(n>2);\n\n\tif(n==1)return puts(\"1\"),0;\n\n\tfor(i=1;i<=n;++i){\n\n\t\t(dp[i]+=(sum[i-1]-((i>=2)?dp[i-2]:0)+mod)%mod)%=mod;\n\n//\t\tprintf(\"%lld %lld\\n\",sum[i-1],((i>=2)?dp[i-2]:0));\n\n\t\tsum[i]=(sum[i-1]+dp[i])%mod;\n\n\t\tif(i<n-1)(ans+=(1ll*(n-1)*(n-1)%mod+min(i+2,n-1))*dp[i]%mod)%=mod;\n\n\t}\n\n\tprintf(\"%lld\\n\",((ans+1ll*n*dp[n-1]%mod)%mod+1ll*(n-1)*(n-1)%mod+1)%mod);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001533"}39{"label": "pie_cpp_test_001534", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001534.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001534", "task_path": "tasks/test/pie_cpp_test_001534.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define MAXN 1000010\n\n#define mod 1000000007\n\n\n\nint n,f[MAXN],add;\n\n\n\nint main()\n\n{\n\n cin>>n;\n\n f[n]=n;\n\n f[n-1]=(long long)n*n%mod;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n add=(add+f[i+3])%mod;\n\n f[i]=f[i+1];\n\n f[i]=(f[i]+(long long)(n-1)*(n-1)%mod)%mod;\n\n f[i]=(f[i]+add)%mod;\n\n f[i]=(f[i]+i+1)%mod;\n\n }\n\n cout<<f[1]<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001534"}40{"label": "pie_cpp_test_001535", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001535.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001535", "task_path": "tasks/test/pie_cpp_test_001535.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int,int> P;\n\n\n\n#define p_ary(ary,a,b) do { cout << \"[\"; for (int count = (a);count < (b);++count) cout << ary[count] << ((b)-1 == count ? \"\" : \", \"); cout << \"]\\n\"; } while(0)\n\n#define p_map(map,it) do {cout << \"{\";for (auto (it) = map.begin();;++(it)) {if ((it) == map.end()) {cout << \"}\\n\";break;}else cout << \"\" << (it)->first << \"=>\" << (it)->second << \", \";}}while(0)\n\n\n\n\n\nconst ll mod = 1000000007;\n\n//const ll mod = 998244353;\n\n\n\nconst int MAX_N = 1000010;\n\nll fact[MAX_N],fact_inv[MAX_N],inv[MAX_N];\n\n\n\nll pow_mod(ll a,ll b) {\n\n ll ret;\n\n if (b < 0) ret = pow_mod(a,mod+b-1);\n\n else if (b == 0) ret = 1;\n\n else if (b == 1) ret = a;\n\n else {\n\n ll c = pow_mod(a,b/2);\n\n if (b%2) ret = (c*c)%mod*a%mod;\n\n else ret = c*c%mod;\n\n }\n\n return ret;\n\n}\n\n\n\nvoid generate_table(int x) {\n\n fact[0] = 1;fact[1] = 1;\n\n for (int i = 2;i <= x;++i) fact[i] = fact[i-1]*i%mod;\n\n fact_inv[x] = pow_mod(fact[x],-1);\n\n for (int i = x;i > 0;--i) fact_inv[i-1] = fact_inv[i]*i%mod;\n\n for (int i = 1;i <= x;++i) inv[i] = fact_inv[i]*fact[i-1]%mod;\n\n}\n\n\n\nll combi(ll a, ll b) {\n\n return fact[a]*fact_inv[b]%mod*fact_inv[a-b]%mod;\n\n}\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n ll ans = 0;\n\n generate_table(1000000);\n\n vector<ll> d(1000010);\n\n d[0] = 0;\n\n d[1] = d[2] = d[3] = 1;\n\n for (int i = 0;i < n;++i) {\n\n if (i > 2) d[i+1] = (d[i]+d[i-1]+d[i-3])%mod;\n\n if (i < n-1) (ans += d[i+1]*(n-1)%mod*(n-1)%mod) %= mod; \n\n if (i < n-2) (ans += d[i+1]*(i+2)) %= mod;\n\n else (ans += d[i+1]*(i+1)) %= mod;\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001535"}41{"label": "pie_cpp_test_001536", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001536.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001536", "task_path": "tasks/test/pie_cpp_test_001536.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define MAXN 1000010\n\n#define mod 1000000007\n\n\n\nint n,f[MAXN],add;\n\n\n\nint main()\n\n{\n\n scanf(\"%d\",&n);\n\n f[n]=n;\n\n f[n-1]=(long long)n*n%mod;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n add=(add+f[i+3])%mod;\n\n f[i]=f[i+1];\n\n f[i]=(f[i]+(long long)(n-1)*(n-1)%mod)%mod;\n\n f[i]=(f[i]+add)%mod;\n\n f[i]=(f[i]+i+1)%mod;\n\n }\n\n printf(\"%d\\n\",f[1]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001536"}42{"label": "pie_cpp_test_001537", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001537.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001537", "task_path": "tasks/test/pie_cpp_test_001537.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define MAX 1000010\n\n#define mod 1000000007\n\ntypedef long long ll;\n\nint n,f[MAX],ad;\n\n\n\nint main()\n\n{\n\n scanf(\"%d\",&n);\n\n f[n]=n;\n\n f[n-1]=(ll)n*n%mod;\n\n for(int i=n-2;i>=1;--i)\n\n {\n\n ad=(ad+f[i+3])%mod;\n\n f[i]=f[i+1];\n\n f[i]=(f[i]+(ll)(n-1)*(n-1)%mod)%mod;\n\n f[i]=(f[i]+ad)%mod;\n\n f[i]=(f[i]+i+1)%mod;\n\n }\n\n printf(\"%d\\n\",f[1]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001537"}43{"label": "pie_cpp_test_001538", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001538.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001538", "task_path": "tasks/test/pie_cpp_test_001538.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst int N=1e6+5,P=1e9+7;\n\nint n,f[N];ll sum,ans;\n\n\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tf[0]=f[1]=1;sum=2;\n\n\tfor(int i=2;i<=n;i++)f[i]=(sum-f[i-2])%P,sum+=f[i];\n\n\tfor(int i=0;i<n-1;i++)ans+=((ll)n*n-2*n+i+2)%P*f[i]%P;\n\n\tans+=(ll)f[n-1]*(n-1)+f[n];\n\n\tprintf(\"%d\\n\",ans%P);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001538"}44{"label": "pie_cpp_test_001539", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001539.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001539", "task_path": "tasks/test/pie_cpp_test_001539.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#pragma GCC optimize(\"O3\")\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long int ll;\n\nconstexpr ll MODN = 1000000007;\n\nll n, dp[1000001];\n\nint main() {\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(NULL);\n\n\tcin >> n, dp[0] = 1, dp[1] = dp[0] + n;\n\n\tfor (int i = 2; i <= n; ++i) {\n\n\t\tdp[i] = (n - 1) * (n - 1);\n\n\t\tint l = i - (n + 1), r = i - 3;\n\n\t\tif (r >= 0) dp[i] += dp[r], r = -1;\n\n\t\tdp[i] += r - l + 1;\n\n\t\tdp[i] += 2 * dp[i - 1] - dp[i - 2];\n\n\t\tdp[i] %= MODN;\n\n\t}\n\n\tcout << (dp[n] - dp[n - 1] + MODN) % MODN << endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001539"}45{"label": "pie_cpp_test_001540", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001540.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001540", "task_path": "tasks/test/pie_cpp_test_001540.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nlong long n,f[1000001]={1,1,1,2,4,7},g[1000001]={1,2,3,5,9,16},sumk=6;\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tif(n==1) {puts(\"1\"); return 0;}\n\n\tif(n==2) {puts(\"4\"); return 0;}\n\n\tif(n==3) {puts(\"15\"); return 0;}\n\n\tfor(int i=6;i<=n;++i){\n\n\t\tsumk+=g[i-3];\n\n\t\tsumk%=1000000007;\n\n\t\tf[i]=sumk+1;\n\n\t\tg[i]=(g[i-1]+f[i])%1000000007;\n\n\t}\n\n//\tfor(int i=0;i<=n;++i) printf(\"%d \",f[i]); puts(\"\");\n\n//\tfor(int i=0;i<=n;++i) printf(\"%d \",g[i]); puts(\"\");\n\n\tlong long ans=g[n-2]*(n-1)%1000000007+1+((n-1)*g[n-2]%1000000007+f[n-1])*(n-1)%1000000007;\n\n\tans%=1000000007;\n\n\tprintf(\"%d\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001540"}46{"label": "pie_cpp_test_001541", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001541.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001541", "task_path": "tasks/test/pie_cpp_test_001541.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef int int_t;\n\n#define int long long\n\n\n\nconst int maxn=1e6+5;\n\nconst int mod =1e9+7;\n\n\n\nint F[maxn],S[maxn],N;\n\n\n\nint_t main(){\n\n\tcin>>N;F[1]=N;S[1]=N;\n\n\tint pp=(N-1)*(N-1)%mod;\n\n\tfor(int i=2;i<=N;i++){\n\n\t\tF[i]=(S[max(i-3,0ll)]+(N-max(i-1,2ll)+1)+F[i-1]+pp)%mod;\n\n\t\tS[i]=(S[i-1]+F[i])%mod;\n\n\t}\n\n\tcout<<F[N]<<'\\n';\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001541"}47{"label": "pie_cpp_test_001542", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001542.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001542", "task_path": "tasks/test/pie_cpp_test_001542.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst long long mod=1e9+7;\n\nlong long n,f[1000005],sum[1000005],ans,Pow;\n\nint main()\n\n{\n\n\tlong long i;\n\n\tscanf(\"%lld\",&n);Pow=(n-1)*(n-1)%mod;\n\n\tf[0]=1;f[1]=1;f[2]=1;\n\n\tsum[0]=1;sum[1]=2;sum[2]=3;\n\n\tfor(i=3;i<=n;i++)\n\n\t{\n\n\t\tf[i]=(f[i-1]+sum[i-3])%mod;\n\n\t\tsum[i]=(sum[i-1]+f[i])%mod;\n\n\t}\n\n\tfor(i=2;i<=n;i++)ans=(ans+(Pow+n-i+1)*f[n-i]%mod)%mod;\n\n\tans=((ans+(n-1)*f[n-1]%mod)%mod+f[n])%mod;\n\n\tprintf(\"%lld\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001542"}48{"label": "pie_cpp_test_001543", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001543.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001543", "task_path": "tasks/test/pie_cpp_test_001543.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define fto(i,a,b) for(int i=a; i<=b;++i)\n\n#define fdto(i,a,b) for(int i=a; i>=b;--i)\n\n#define fi first\n\n#define se second\n\n#define mp make_pair\n\n#define pb push_back\n\n#define pii pair<int,int>\n\n#define ll long long\n\n#define maxn 1000009\n\n#define gb(i,j) ((i>>j)&1)\n\n#define name \"a\"\n\n#define endl '\\n'\n\n\n\nusing namespace std;\n\n\n\nll f[maxn],s[maxn];\n\nint mod=1e9+7,n;\n\n\n\nmain()\n\n{\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(0);\n\n cout.tie(0);\n\n cin >> n;\n\n f[0]=1;\n\n s[0]=1;\n\n if(n==1){cout << 1; return 0;}\n\n for(int i=1; i<=n; ++i){\n\n f[i]=f[i-1];\n\n if(i>2)f[i]=(f[i]+s[i-3])%mod;\n\n s[i]=(f[i]+s[i-1])%mod;\n\n }\n\n ll res=(f[n]+f[n-1]*(n-1))%mod;\n\n fto(i,0,n-2){\n\n res=(res+f[i]*(i+1)%mod*n)%mod;\n\n res=(res+f[i]*(n-i-2)%mod*(n-1))%mod;\n\n }\n\n cout << res;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001543"}49{"label": "pie_cpp_test_001544", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001544.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001544", "task_path": "tasks/test/pie_cpp_test_001544.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define int long long\n\n\n\nconst int mod = 1e9+7;\n\n\n\nint n;\n\nint f[1000001];\n\n\n\nint sub(int a,int b)\n\n{\n\n\tint c = ((a - b)%mod + mod)%mod;\n\n\treturn c;\n\n}\n\n\n\nint add(int a,int b)\n\n{\n\n\tint c = (a + b)%mod;\n\n\treturn c;\n\n}\n\n\n\nint mul(int a,int b)\n\n{\n\n\tint c = (a * b)%mod;\n\n\treturn c;\n\n}\n\n\n\nint32_t main()\n\n{\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(0);\n\n\tcout.tie(0);\n\n\n\n\tcin >> n;\n\n\tf[0] = 1, f[1] = n; \n\n\tint sum = f[0] + f[1];\n\n\tfor (int i=2;i<=n;i++)\n\n\t{\n\n\t\tf[i] = add(add(mul(n-1,n-1), sub(sum,f[i-2])), (n - i + 1));\n\n\t\tsum = add(sum,f[i]);\n\n\t}\t\n\n\tcout << f[n];\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001544"}50{"label": "pie_cpp_test_001545", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001545.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001545", "task_path": "tasks/test/pie_cpp_test_001545.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\n#define MN 1000005\n\n#define mod 1000000007\n\nusing namespace std;\n\ninline int in(){\n\n int x=0;bool f=0; char c;\n\n for (;(c=getchar())<'0'||c>'9';f=c=='-');\n\n for (x=c-'0';(c=getchar())>='0'&&c<='9';x=(x<<3)+(x<<1)+c-'0');\n\n return f?-x:x;\n\n}\n\nint f[MN],sum[(MN<<1)+5],n,res;\n\nint main()\n\n{\n\n\tn=in();f[n+1]=1;\n\n\tfor (int i=(n<<1)+10;i>n;--i) sum[i]=(sum[i+1]+1)%mod;\n\n\tfor (int i=n;i;--i){\n\n\t\tf[i]=(sum[i+3]+mod-sum[i+n+2])%mod;\n\n\t\tf[i]=(f[i]+f[i+1])%mod;\n\n\t\tif (i!=n) f[i]=(f[i]+(1ll*(n-1)*(n+mod-1)))%mod;\n\n\t\tsum[i]=(sum[i+1]+f[i])%mod; \n\n\t}printf(\"%d\",f[1]);return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001545"}51{"label": "pie_cpp_test_001546", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001546.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001546", "task_path": "tasks/test/pie_cpp_test_001546.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\n#include<cmath>\n\nusing namespace std;\n\nconst int N=1e6+5;\n\nconst int mod=1e9+7;\n\nlong long f[N]={0},s[N]={0},ans=0LL,n;;\n\nint main()\n\n{\n\n\tscanf(\"%lld\",&n);\n\n\tf[0]=1ll;s[0]=1ll;\n\n\tf[1]=1ll;s[1]=2;\n\n\tf[2]=1ll;s[2]=3;\n\n\tfor(int i=3;i<=n;i++)\n\n\t{\n\n\t\tf[i]=(f[i-1]+s[i-3])%mod;\n\n\t\ts[i]=(s[i-1]+f[i])%mod;\n\n\t}\n\n\tfor(int i=0;i<=n-2;i++) \n\n\t ans+=f[i]*((n-1)*(n-1)%mod+i+1)%mod;\n\n\tans=(ans+(n-1)*f[n-1]%mod)%mod;\n\n\tans=(ans+f[n])%mod;\n\n\tprintf(\"%lld\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001546"}52{"label": "pie_cpp_test_001547", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001547.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001547", "task_path": "tasks/test/pie_cpp_test_001547.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define MOD 1000000007\n\n#define N 1000011\n\n#define LL long long\n\nLL n;\n\nLL f[N],sum[N];\n\nint main(){\n\n\tscanf(\"%lld\",&n);\n\n\tf[0]=1;\n\n\tf[1]=n;f[2]=n*n%MOD;\n\n\tsum[1]=f[1]+1;sum[2]=(f[1]+f[2]+1)%MOD;sum[0]=f[0]=1;\n\n\tfor(int i=3;i<=n;i++){\n\n\t\tf[i]=((f[i-1]+sum[i-3])%MOD+(n-1)*(n-1)%MOD+(n-i+1))%MOD;\n\n\t\tsum[i]=(sum[i-1]+f[i])%MOD;\n\n\t}\n\n\tprintf(\"%lld\\n\",f[n]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001547"}53{"label": "pie_cpp_test_001548", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 26, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 26, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001548.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001548", "task_path": "tasks/test/pie_cpp_test_001548.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#define _USE_MATH_DEFINES\n\n#include <cstdio>\n\n#include <iostream>\n\n#include <sstream>\n\n#include <fstream>\n\n#include <iomanip>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <complex>\n\n#include <string>\n\n#include <vector>\n\n#include <list>\n\n#include <queue>\n\n#include <stack>\n\n#include <set>\n\n#include <map>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <limits>\n\n#include <climits>\n\n#include <cfloat>\n\n#include <functional>\n\n#include <iterator>\n\nusing namespace std;\n\n\n\nclass Mod\n\n{\n\nprivate:\n\n static const int MOD = 1000000007;\n\n long long a;\n\npublic:\n\n Mod(){\n\n a = 0;\n\n }\n\n Mod(long long x){\n\n a = (x % MOD + MOD) % MOD;\n\n }\n\n const Mod operator+(const Mod& x) const{\n\n return Mod(a + x.a);\n\n }\n\n const Mod operator-(const Mod& x) const{\n\n return Mod(a - x.a);\n\n }\n\n const Mod operator*(const Mod& x) const{\n\n return Mod(a * x.a);\n\n }\n\n const Mod operator/(const Mod& x) const{ // \u30d5\u30a7\u30eb\u30de\u30fc\u306e\u5c0f\u5b9a\u7406\u3001MOD\u304c\u7d20\u6570\u3067\u3042\u308b\u5834\u5408\u306e\u307f\u6709\u52b9\n\n int b = MOD - 2;\n\n long long c = x.a;\n\n long long ret = 1;\n\n while(b > 0){\n\n if(b & 1){\n\n ret *= c;\n\n ret %= MOD;\n\n }\n\n c *= c;\n\n c %= MOD;\n\n b >>= 1;\n\n }\n\n return Mod(a * ret);\n\n }\n\n long long getValue(){\n\n return a;\n\n }\n\n};\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n\n\n vector<Mod> dp(2*n+2, 0);\n\n dp[0] = 1;\n\n dp[1] = -1;\n\n Mod ans = 0;\n\n for(int i=0; i<n; ++i){\n\n Mod x = dp[i];\n\n if(i < n - 1){\n\n Mod tmp = (n - 1LL) * (n - 1LL);\n\n ans = ans + x * tmp;\n\n }\n\n dp[i+1] = dp[i+1] + x;\n\n dp[i+2] = dp[i+2] - x;\n\n dp[i+3] = dp[i+3] + x;\n\n dp[i+n+2] = dp[i+n+2] - x;\n\n\n\n dp[i+1] = dp[i+1] + dp[i];\n\n }\n\n\n\n for(int i=n; i<=2*n; ++i){\n\n ans = ans + dp[i];\n\n dp[i+1] = dp[i+1] + dp[i];\n\n }\n\n cout << ans.getValue() << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001548"}54{"label": "pie_cpp_test_001549", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001549.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001549", "task_path": "tasks/test/pie_cpp_test_001549.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#ifndef ONLINE_JUDGE\n\n#define dbg(x...) do{cout << \"\\033[32;1m\" << #x << \"->\" ; err(x);} while(0)\n\nvoid err(){cout << \"\\033[39;0m\" << endl;}\n\ntemplate<template<typename...> class T,typename t,typename... A>\n\nvoid err(T<t> a,A... x){for (auto v:a) cout << v << ' '; err(x...);}\n\ntemplate<typename T,typename... A>\n\nvoid err(T a,A... x){cout << a << ' '; err(x...);}\n\n#else\n\n#define dbg(...)\n\n#endif\n\ntypedef long long ll;\n\ntypedef pair<int,int> pi;\n\ntypedef vector<int> vi;\n\ntemplate<class T> using vc=vector<T>;\n\ntemplate<class T> using vvc=vc<vc<T>>;\n\ntemplate<class T> void mkuni(vector<T>&v)\n\n{\n\n sort(v.begin(),v.end());\n\n v.erase(unique(v.begin(),v.end()),v.end());\n\n}\n\ntemplate<class T>\n\nvoid print(T x,int suc=1)\n\n{\n\n cout<<x;\n\n if(suc==1) cout<<'\\n';\n\n else cout<<' ';\n\n}\n\ntemplate<class T>\n\nvoid print(const vector<T>&v,int suc=1)\n\n{\n\n for(int i=0;i<v.size();i++)\n\n print(v[i],i==(int)(v.size())-1?suc:2);\n\n}\n\nconst int INF=0x3f3f3f3f;\n\nconst int mod=1e9+7;\n\nconst int maxn=1e6+7;\n\nll dp[maxn];\n\nll pre[maxn];\n\nint main()\n\n{\n\n\tint n;\n\n cin>>n;\n\n dp[1]=n;\n\n pre[1]=n;\n\n for(int i=2;i<=n;i++)\n\n {\n\n dp[i]=(dp[i-1]+1LL*(n-1)*(n-1)%mod)%mod;\n\n if(i>=3) dp[i]=(dp[i]+pre[i-3])%mod;\n\n if(i==2) dp[i]=(dp[i]+n-1)%mod;\n\n else dp[i]=(dp[i]+n-i+2);\n\n pre[i]=(pre[i-1]+dp[i])%mod;\n\n //dbg(i,dp[i]);\n\n }\n\n cout<<dp[n]<<'\\n';\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001549"}55{"label": "pie_cpp_test_001550", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03766", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_001550.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_001550", "task_path": "tasks/test/pie_cpp_test_001550.json", "visible_test_count": 1}, "problem_id": "p03766", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n\n\nconst int mod = 1e9 + 7;\n\n#define maxn 1000010\n\nint f[maxn], g[maxn];\n\nint n;\n\ninline int ff(int x)\n\n{\n\n\tif (x < 0) return 1;\n\n\tif (f[x]) return f[x];\n\n\tif (x == 0) return f[0] = n;\n\n\tint ret = ff(x - 1);\n\n\tfor (int i = 2; i <= n; ++i)\n\n\t\t(ret += ff(x - i - 1)) %= mod;\n\n\treturn f[x] = ret;\n\n}\n\nint main()\n\n{\n\n\tscanf(\"%d\", &n);\n\n\tf[0] = 1; g[0] = f[0];\n\n\tf[1] = n; g[1] = g[0] + f[1];\n\n\tf[2] = (f[1] + n - 1 + 1ll * (n - 1) * (n - 1) % mod) % mod; g[2] = (g[1] + f[2]) % mod;\n\n\tfor (int i = 3; i <= n; ++i)\n\n\t{\n\n\t\tf[i] = ((f[i - 1] + g[i - 3]) % mod + (n - i + 1) + 1ll * (n - 1) * (n - 1)) % mod;\n\n\t\tg[i] = (g[i - 1] + f[i]) % mod;\n\n\t}\n\n\tprintf(\"%d\\n\", f[n]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_001550"}56{"label": "pie_cpp_test_002112", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1200, "hidden_test_count": 1, "problem_id": "p01699", "reference_metric": "runtime_cpu_ns", "reference_value": 1200, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002112.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002112", "task_path": "tasks/test/pie_cpp_test_002112.json", "visible_test_count": 1}, "problem_id": "p01699", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 11\n1 11\n3\n10 10\n2 2\n11 11\n4\n89 91\n1 12\n1 12\n89 91\n5\n1 8\n2 76\n10 19\n6 16\n33 42\n6\n10 59\n20 69\n30 79\n40 89\n50 99\n50 99\n0\n\nExpected output:\n120\n1\n1278\n659520\n15625000000\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <cstring>\n\n\n\n#include <iostream>\n\n#include <complex>\n\n#include <string>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <queue>\n\n#include <stack>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n\n\n#include <functional>\n\n#include <cassert>\n\n\n\ntypedef long long ll;\n\nusing namespace std;\n\n\n\n#define debug(x) cerr << __LINE__ << \" : \" << #x << \" = \" << (x) << endl;\n\n\n\n#define mod 1000000007 //1e9+7(prime number)\n\n#define INF 1000000000 //1e9\n\n#define LLINF 2000000000000000000LL //2e18\n\n#define SIZE 100010\n\n\n\nll dp[13][1<<13][10]; //\u6841\u6570, \u73fe\u5728\u306e\u30a8\u30ec\u30d9\u30fc\u30bf\u30fc,\u3000\u524d\u306e\u6841 \n\n\n\nbool solve(){\n\n int n;\n\n int low[7], up[7];\n\n \n\n scanf(\"%d\", &n);\n\n if(n == 0) return false;\n\n \n\n for(int i=0;i<n;i++) scanf(\"%d%d\", low+i, up+i);\n\n\n\n memset(dp, 0, sizeof(dp));\n\n\n\n dp[0][1][0] = 1;\n\n\n\n for(int i=0;i<n*2;i++){\n\n for(int j=0;j<(1<<(2*n+1));j++){\n\n for(int k=0;k<10;k++){\n\n int next[10] = {};\n\n\n\n for(int l=0;l<n;l++){\n\n //1\u6841\u76ee\n\n if((1 << (l*2)) & j){\n\n for(int x=max(1,low[l]);x<=min(9, up[l]);x++)\n\n next[x] |= 1 << (l*2+2);\n\n for(int x=max(1,low[l]/10);x<=min(9,up[l]/10);x++)\n\n next[x] |= 1 << (l*2+1);\n\n }\n\n //2\u6841\u76ee\n\n if((1 << (l*2+1)) & j){\n\n for(int x=max(0,(low[l]-k*10));x<=min(9, up[l]-k*10);x++)\n\n next[x] |= 1 << (l*2+2);\n\n }\n\n }\n\n\n\n for(int l=0;l<10;l++){\n\n dp[i+1][next[l]][l] += dp[i][j][k];\n\n }\n\n \n\n }\n\n }\n\n }\n\n\n\n ll ans = 0;\n\n \n\n for(int i=0;i<=n*2;i++)\n\n for(int j=0;j<(1<<(2*n));j++)\n\n for(int k=0;k<10;k++)\n\n ans += dp[i][j + (1<<n*2)][k];\n\n\n\n cout << ans << endl;\n\n return true;\n\n}\n\n\n\nint main(){\n\n while(solve());\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002112"}57{"label": "pie_cpp_test_002113", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p01699", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002113.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002113", "task_path": "tasks/test/pie_cpp_test_002113.json", "visible_test_count": 1}, "problem_id": "p01699", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 11\n1 11\n3\n10 10\n2 2\n11 11\n4\n89 91\n1 12\n1 12\n89 91\n5\n1 8\n2 76\n10 19\n6 16\n33 42\n6\n10 59\n20 69\n30 79\n40 89\n50 99\n50 99\n0\n\nExpected output:\n120\n1\n1278\n659520\n15625000000\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <cstring>\n\n\n\n#include <iostream>\n\n#include <complex>\n\n#include <string>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <queue>\n\n#include <stack>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n\n\n#include <functional>\n\n#include <cassert>\n\n\n\ntypedef long long ll;\n\nusing namespace std;\n\n\n\n#define debug(x) cerr << __LINE__ << \" : \" << #x << \" = \" << (x) << endl;\n\n\n\n#define mod 1000000007 //1e9+7(prime number)\n\n#define INF 1000000000 //1e9\n\n#define LLINF 2000000000000000000LL //2e18\n\n#define SIZE 100010\n\n\n\nll dp[13][1<<13][10]; //\u6841\u6570, \u73fe\u5728\u306e\u30a8\u30ec\u30d9\u30fc\u30bf\u30fc,\u3000\u524d\u306e\u6841 \n\n\n\nbool solve(){\n\n int n;\n\n int low[7], up[7];\n\n \n\n scanf(\"%d\", &n);\n\n if(n == 0) return false;\n\n \n\n for(int i=0;i<n;i++) scanf(\"%d%d\", low+i, up+i);\n\n\n\n memset(dp, 0, sizeof(dp));\n\n\n\n dp[0][1][0] = 1;\n\n\n\n ll ans = 0;\n\n\n\n for(int i=0;i<n*2;i++){\n\n for(int j=0;j<(1<<(2*n));j++){\n\n for(int k=0;k<10;k++){\n\n int next[10] = {};\n\n\n\n for(int l=0;l<n;l++){\n\n //1\u6841\u76ee\n\n if((1 << (l*2)) & j){\n\n for(int x=max(1,low[l]);x<=min(9, up[l]);x++)\n\n next[x] |= 1 << (l*2+2);\n\n for(int x=max(1,low[l]/10);x<=min(9,up[l]/10);x++)\n\n next[x] |= 1 << (l*2+1);\n\n }\n\n //2\u6841\u76ee\n\n if((1 << (l*2+1)) & j){\n\n for(int x=max(0,(low[l]-k*10));x<=min(9, up[l]-k*10);x++)\n\n next[x] |= 1 << (l*2+2);\n\n }\n\n }\n\n\n\n for(int l=0;l<10;l++){\n\n dp[i+1][next[l] & ((1 << n*2) - 1)][l] += dp[i][j][k];\n\n if(next[l] & (1 << (n*2))) ans += dp[i][j][k];\n\n }\n\n \n\n }\n\n }\n\n }\n\n \n\n cout << ans << endl;\n\n return true;\n\n}\n\n\n\nint main(){\n\n while(solve());\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002113"}58{"label": "pie_cpp_test_002120", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 214, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 214, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002120.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002120", "task_path": "tasks/test/pie_cpp_test_002120.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<map>\n\n#include<algorithm>\n\nusing namespace std;\n\nconst int MAXN = 100010;\n\nlong long sum[MAXN];\n\nint a[MAXN],aa[MAXN],b[MAXN],c[MAXN];\n\nint n;\n\nint lowbit(int x){return x&(-x);}\n\nvoid update(int x,int n){\n\n\tfor (int i=x;i<=n;i+=lowbit(i)) {\n\n\t\tsum[i]++;\n\n\t}\n\n}\n\nint getSum(int x) {\n\n\tint ans = 0;\n\n\tfor (int i=x;i>0;i-=lowbit(i)) {\n\n\t\tans += sum[i];\n\n\t}\n\n\treturn ans;\n\n}\n\nlong long check(int x) {\n\n\tb[0] = 0;c[0] = 0;\n\n\tfor (int i=1;i<=n;i++) {\n\n\t\tif (a[i]<=x) b[i] = 1;\n\n\t\telse b[i] = -1;\n\n\t}\n\n\tfor (int i=1;i<=n;i++) {\n\n\t\tb[i] = b[i-1] + b[i];\n\n\t\tc[i] = b[i];\n\n\t}\n\n\tsort(c,c+1+n);\n\n\tint cnt = 1;\n\n\tmap<int,int> mp;\n\n\tmp[c[0]] = 1;\n\n\tfor (int i=1;i<=n;i++) {\n\n\t\tif (c[i]!=c[i-1]) {\n\n\t\t\tcnt++;\n\n\t\t\tmp[c[i]] = cnt;\n\n\t\t}\n\n\t}\n\n\tfor (int i=0;i<=cnt;i++) sum[i]=0;\n\n\tlong long res = 0;\n\n\tupdate(mp[0],cnt);\n\n\tfor (int i=1;i<=n;i++) {\n\n\t\tres += getSum(mp[b[i]]-1);\n\n\t\tupdate(mp[b[i]],cnt);\n\n\t}\n\n\treturn res;\n\n}\n\nint main()\n\n{\n\n\tscanf(\"%d\",&n);\n\n\tfor (int i=1;i<=n;i++) scanf(\"%d\",&a[i]);\n\n\tfor (int i=1;i<=n;i++) aa[i] = a[i];\n\n\tsort(aa+1,aa+1+n);\n\n\tlong long k = 1LL * n*(n+1)/2/2+1;\n\n\tint l = 1,r = n,mid,ans;\n\n\twhile(l<=r) {\n\n\t\tmid = (l+r) / 2;\n\n\t\tif (check(aa[mid])>=k) {\n\n\t\t\tans = aa[mid];\n\n\t\t\tr = mid - 1;\n\n\t\t}\n\n\t\telse l = mid + 1;\n\n\t}\n\n\tprintf(\"%d\\n\",ans);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002120"}59{"label": "pie_cpp_test_002121", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 84, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 84, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002121.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002121", "task_path": "tasks/test/pie_cpp_test_002121.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<math.h>\n\n#include<algorithm>\n\n#include<map>\n\n#include<set>\n\n#include<bitset>\n\n#include<stack>\n\n#include<queue>\n\n#include<string>\n\n#include<cstring>\n\n\n\n\n\nusing namespace std;\n\ntypedef long long LL;\n\nconst int maxn=2e6+7;\n\nLL n;\n\nLL tot=0;\n\nLL mn=0x3f,mx=-0x3f;\n\nLL a[maxn];\n\nLL bit[maxn];\n\n\n\nstruct node {\n\nLL val,pos;\n\n}arr[maxn];\n\n\n\nbool cmp(node n1,node n2)\n\n{\n\n return n1.val==n2.val?n1.pos<n2.pos:n1.val<n2.val;\n\n}\n\n\n\nvoid update(LL x,LL val)\n\n{\n\n for(; x< maxn ;x+=(x & -x))\n\n {\n\n bit[x]+=val;\n\n }\n\n}\n\n\n\nLL getsum(LL x)\n\n{\n\n LL ans=0;\n\n for(;x>0;x-=(x & -x))\n\n {\n\n ans += bit[x];\n\n }\n\n return ans;\n\n}\n\n\n\n\n\n\n\nbool check(LL x){\n\n memset(bit,0,sizeof(bit));\n\n memset(arr,0,sizeof(arr));\n\n\n\n\n\n\tfor(int i=1;i<=n;i++)\n\n {\n\n if(a[i]<=x)arr[i].val=-1;\n\n else arr[i].val=1;\n\n arr[i].pos=i+1;\n\n }\n\n\n\n arr[0].val=0;\n\n\tarr[0].pos=1;\n\n\n\n\tfor(int i=1;i<=n;i++)\n\n\tarr[i].val+=arr[i-1].val;\n\n\tsort(arr,arr+n+1,cmp);\n\n\n\n\tLL ans=0;\n\n\tfor(int i=0;i<=n;i++)\n\n {\n\n ans+=(i-getsum(arr[i].pos));\n\n update(arr[i].pos,1);\n\n }\n\n\treturn ans*2 > tot;\n\n}\n\n\n\n\n\nint main(){\n\n scanf(\"%lld\",&n);\n\n\n\n for(int i=1;i<=n;i++)\n\n {\n\n \t scanf(\"%lld\",&a[i]);\n\n \t mn=min(mn,a[i]);\n\n \t mx=max(mx,a[i]);\n\n \t tot+=i;\n\n }\n\n\n\n LL l=mn,r=mx;\n\n while(r-l>1)\n\n {\n\n \t LL mid=(l+r)/2;\n\n \t if(check(mid)) r=mid;\n\n \t else l=mid;\n\n \t //printf(\"s%d\",mid);\n\n }\n\n printf(\"%lld\\n\",r);\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002121"}60{"label": "pie_cpp_test_002122", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 257, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 257, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002122.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002122", "task_path": "tasks/test/pie_cpp_test_002122.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdlib>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<cstdio>\n\n#include<queue>\n\n#define L l,m,rt<<1\n\n#define R m+1,r,rt<<1|1\n\n#define LL long long \n\nusing namespace std;\n\nLL n;\n\nLL l,r,ans,maxx,mid;\n\nLL f[5000100];\n\nLL s[5000100];\n\nLL sum[10000010];\n\nLL read()\n\n{\n\n\tLL _=0,__=1;char ch=getchar();\n\n\twhile(ch<'0'||ch>'9') {if(ch=='-')__=-1;ch=getchar();}\n\n\twhile(ch>='0'&&ch<='9'){_=_*10+ch-'0';ch=getchar();}\n\n\treturn _*__;\n\n}\n\nvoid pushup(LL rt){sum[rt]=sum[rt<<1]+sum[rt<<1|1];}\n\nvoid build(LL l,LL r,LL rt)\n\n{\n\n\tsum[rt]=0;\n\n\tif(l==r)\n\n\t{\n\n\treturn ;\n\n }\n\n\tLL m=(l+r)>>1;\n\n\tbuild(L);\n\n\tbuild(R);\n\n\tpushup(rt);\n\n}\n\nvoid update(LL x,LL l,LL r,LL rt)\n\n{\n\n\tif(l==r)\n\n\t{\n\n\t\tsum[rt]+=1;\n\n\t\treturn ;\n\n\t}\n\n \tLL m=(l+r)>>1;\n\n\tif(x<=m) update(x,L);\n\n\telse update(x,R);\n\n\tpushup(rt); \n\n}\n\nLL query(LL x,LL y,LL l,LL r,LL rt)\n\n{\n\n\tif(x>y) return 0;\n\n\tif(x<=l&&y>=r)\n\n\t{\n\n\t\treturn sum[rt];\n\n\t}\n\n\tLL set=0;\n\n\tLL m=(l+r)>>1;\n\n\tif(x<=m)set+=query(x,y,L);\n\n\tif(y>m) set+=query(x,y,R);\n\n\treturn set; \n\n}\n\nLL check(LL x)\n\n{\n\n\tmemset(sum,0,sizeof(sum));\n\n\tans=0;maxx=-1;\n\n\t for(int i=1;i<=n;i++)\n\n\t {\n\n\t \tif(f[i]>x)\n\n\t \ts[i]=-1;\n\n\t \telse \n\n\t \ts[i]=1;\n\n\t \ts[i]+=s[i-1];\n\n\t }\n\n\t for(int i=0;i<=n;i++)\n\n\t s[i]+=n+1,maxx=max(maxx,s[i]);\n\n\t build(1,maxx+5000,1);\n\n\t for(int i=0;i<=n;i++)\n\n\t {\n\n\t \tans+=query(1,s[i]-1,1,maxx+5000,1);\n\n\t \tupdate(s[i],1,maxx+5000,1);\n\n\t }\n\n\t if(ans>=(1ll*n*(n+1)/4+1)) return 1;\n\n\t else return 0;\n\n}\n\nint main()\n\n{\n\n\tn=read();\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tf[i]=read();\n\n\t\tr=max(r,f[i]); \n\n\t}\n\n//\tif(n==1)\n\n//\t{\n\n//\t\tprintf(\"%lld\",f[1]);\n\n//\t\treturn 0;\n\n//\t}\n\n\tr=r+1;\n\n while(l<=r)\n\n {\n\n mid=(l+r)>>1;\n\n if(check(mid))\n\n {\n\n r=mid;\n\n }\n\n else\n\n {\n\n l=mid+1;\n\n }\n\n if(r-l<=1) \n\n {\n\n mid=check(l)?l:r;\n\n break;\n\n }\n\n }\n\n printf(\"%lld\\n\",mid);\n\n//\tprintf(\"%lld\",r);\n\n//\tcout<<endl;\n\n//\tprintf(\"%d\",r);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002122"}61{"label": "pie_cpp_test_002123", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 124, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 124, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002123.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002123", "task_path": "tasks/test/pie_cpp_test_002123.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <cctype>\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <ext/pb_ds/hash_policy.hpp>\n\n#include <ext/pb_ds/assoc_container.hpp>\n\n#include <queue>\n\n#define ri register int \n\n#define ll long long \n\n#define ull unsigned long long \n\nusing std::min;\n\nusing std::max;\n\nusing std::lower_bound;\n\nusing namespace __gnu_pbds;\n\ntemplate <class T>inline void read(T &x){\n\n x=0;int ne=0;char c;\n\n while(!isdigit(c=getchar()))ne=c=='-';\n\n x=c-48;\n\n while(isdigit(c=getchar()))x=(x<<3)+(x<<1)+c-48;\n\n x=ne?-x:x;return ;\n\n}\n\nconst int maxn=200005;\n\nconst int inf=0x7fffffff;\n\nint n,nn,a[maxn],b[maxn],c[maxn],mx=-inf,mi=inf;\n\nll sum[maxn<<2];\n\ninline void update(int x,int d){for(;x<=nn;x+=x&(-x))sum[x]+=d;}\n\ninline ll query(int x){ll ans=0;for(;x;x-=x&(-x))ans+=sum[x];return ans;}\n\ninline ll chk(int k){\n\n ll ans=0;\n\n b[0]=0;\n\n for(ri i=1;i<=n;i++){\n\n b[i]=b[i-1]+((a[i]<=k)?1:-1);\n\n c[i]=b[i];\n\n ans+=(b[i]>0);\n\n }\n\n std::sort(c+1,c+1+n);\n\n nn=std::unique(c+1,c+1+n)-(c+1);\n\n memset(sum,0,sizeof(sum));\n\n for(ri i=1;i<=n;i++){\n\n \tb[i]=lower_bound(c+1,c+1+nn,b[i])-c;\n\n ans+=query(b[i]-1);\n\n update(b[i],1);\n\n }\n\n return ans;\n\n}\n\nint main(){\n\n read(n);\n\n for(ri i=1;i<=n;i++){\n\n read(a[i]);\n\n mi=min(mi,a[i]),mx=max(mx,a[i]);\n\n }\n\n int L=mi,R=mx,mid,ans;\n\n\tll lim=1ll*n*(n+1)/4+1;\n\n while(L<=R){\n\n mid=(L+R)>>1;\n\n if(chk(mid)>=lim)ans=mid,R=mid-1;\n\n else L=mid+1;\n\n }\n\n printf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002123"}62{"label": "pie_cpp_test_002124", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002124.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002124", "task_path": "tasks/test/pie_cpp_test_002124.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<set>\n\n#define MN 100005\n\nusing namespace std;\n\nint n,tt,a[MN],num[MN],tmp[MN],tmpx[MN];\n\nlong long tx;\n\nvoid mergesort(int ll,int rr){\n\n\tif(ll==rr)return;\n\n\tint mid=(ll+rr)>>1;\n\n\tmergesort(ll,mid),mergesort(mid+1,rr);\n\n\tint tl=ll,tr=mid+1,now=0;\n\n\twhile(tl<=mid&&tr<=rr){\n\n\t\tif(tmp[tl]<tmp[tr])tmpx[++now]=tmp[tl++];\n\n\t\telse {\n\n\t\t\ttx+=tl-ll;\n\n\t\t\ttmpx[++now]=tmp[tr++];\n\n\t\t}\n\n\t}\n\n\twhile(tl<=mid)tmpx[++now]=tmp[tl++];\n\n\twhile(tr<=rr)tx+=tl-ll,tmpx[++now]=tmp[tr++];\n\n\tfor(int i=ll,j=1;i<=rr;i++,j++)tmp[i]=tmpx[j];\n\n}\n\nbool check(int mid){\n\n\tfor(int i=1;i<=n;i++)\n\n\t\ttmp[i]=tmp[i-1]+(a[i]<=mid?1:-1);\n\n\ttx=0;mergesort(0,n);\n\n\treturn tx>=(1ll*n*(n+1)/4+1);\n\n}\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tfor(int i=1;i<=n;i++)scanf(\"%d\",&a[i]),num[++tt]=a[i];sort(num+1,num+tt+1);tt=unique(num+1,num+n+1)-num;\n\n\tint l=1,r=tt-1,ans=tt-1;\n\n\twhile(l<=r){\n\n\t\tint mid=(l+r)>>1;\n\n\t\tif(check(num[mid]))ans=mid,r=mid-1;\n\n\t\telse l=mid+1;\n\n\t}printf(\"%d\\n\",num[ans]);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002124"}63{"label": "pie_cpp_test_002125", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 42, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 42, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002125.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002125", "task_path": "tasks/test/pie_cpp_test_002125.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int N = 1e5 + 100, inF = 1e9 + 100;\n\n\n\nint n, a[N], ps[N];\n\nunordered_map<int, int> cnt;\n\n\n\nll check(ll num) {\n\n\tll res = 0, now = 0;\n\n\tcnt.clear();\n\n\tcnt[0] = 1;\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\tps[i] = (i? ps[i - 1]: 0) + (a[i] <= num? 1: -1);\n\n\t\tif(a[i] <= num)\n\n\t\t\tnow += cnt[ps[i] - 1];\n\n\t\telse\n\n\t\t\tnow -= cnt[ps[i]];\n\n\t\tcnt[ps[i]]++;\n\n\t\tres += now;\n\n\t}\n\n\treturn res;\n\n}\n\n\n\nint main() {\n\n\tios::sync_with_stdio(false), cin.tie(0);\n\n\tcin >> n;\n\n\tfor (int i = 0; i < n; i++)\n\n\t\tcin >> a[i];\n\n\tll want = 1LL * (n + 1) * n / 4 + 1;\n\n\tll l = 0, r = inF;\n\n\twhile(r - l > 1) {\n\n\t\tll c = (l + r) >> 1;\n\n\t\tif(check(c) >= want)\n\n\t\t\tr = c;\n\n\t\telse\n\n\t\t\tl = c;\n\n\t}\n\n\tcout << r;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002125"}64{"label": "pie_cpp_test_002126", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 820, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 820, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002126.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002126", "task_path": "tasks/test/pie_cpp_test_002126.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n#define Rep(i,n) for(int i=0;i<(int)(n);i++)\n\n#define For(i,n1,n2) for(int i=(int)(n1);i<(int)(n2);i++)\n\n#define REP(i,n) for(ll i=0;i<(ll)(n);i++)\n\n#define RREP(i,n) for(ll i=((ll)(n)-1);i>=0;i--)\n\n#define FOR(i,n1,n2) for(ll i=(ll)(n1);i<(ll)(n2);i++)\n\n#define RFOR(i,n1,n2) for(ll i=((ll)(n1)-1);i>=(ll)(n2);i--)\n\n#define all(a) (a).begin(),(a).end()\n\n#define SORT(a) sort((a).begin(),(a).end())\n\n#define oorret 0\n\n#define oor(x) [&](){try{x;} catch(const out_of_range& oor){return oorret;} return x;}()\n\n#define IOS cin.tie(0),ios::sync_with_stdio(false)\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<ll, ll> P;\n\ntemplate<typename T1, typename T2> inline bool chmin(T1& a, T2 b) { if (a > b) { a = b; return 1; }return 0; }\n\ntemplate<typename T1, typename T2> inline bool chmax(T1& a, T2 b) { if (a < b) { a = b; return 1; }return 0; }\n\ntemplate<class Type>struct is_vector : std::false_type {};\n\ntemplate<class ValueType, class Alloc>struct is_vector<std::vector<ValueType, Alloc>> : std::true_type {};\n\ntemplate <typename T> inline ostream& operator << (ostream& out, const vector<T>& v) {\n\n if (v.empty())return out;\n\n constexpr bool is_vector_v = is_vector<T>::value;\n\n if (is_vector_v)for (auto itr = v.begin(); itr != v.end();)out << (*itr), out << ((++itr != v.end()) ? \"\\n\" : \"\");\n\n else for (auto itr = v.begin(); itr != v.end();)out << (*itr), out << ((++itr != v.end()) ? \" \" : \"\");\n\n return out;\n\n}\n\ninline void put() {}\n\ntemplate<class T> inline void put(const T& first) { std::cout << first << \"\\n\"; }\n\ntemplate<class T, class... N> inline void put(const T& first, const N& ... rest) { std::cout << first << \" \"; put(rest...); }\n\ninline void putn() {}\n\ntemplate<class T, class... N> inline void putn(const T& first, const N& ... rest) { std::cout << first << \"\\n\"; putn(rest...); }\n\n\n\ntemplate<typename T>\n\nT upsum(const T& l, const T& r) {//SegmentTree\u306eupdate\u95a2\u6570\n\n T res;\n\n res = l + r;\n\n return res;\n\n}\n\n\n\ntemplate<typename T>\n\nclass SegmentTree {\n\npublic:\n\n using F = function<T(T&, T&)>;\n\n vector<T> seg;\n\n int sz = 1;\n\n T unit;\n\n F up;\n\n SegmentTree(int n, F up, T unit = 0) :up(up), unit(unit) {\n\n while (sz < n) sz <<= 1;\n\n seg.resize(sz * 2, unit);\n\n }\n\n void set(const int& k, const T& x) {//\u5de6\u304b\u3089k\u756a\u76ee\u306e\u8449\u306bx\u3092\u4ee3\u5165\u3059\u308b\n\n seg[sz - 1 + k] = x;\n\n }\n\n T get(const int& k) {//\u5de6\u304b\u3089k\u756a\u76ee\u306e\u8449\u3092\u5f97\u308b\n\n return seg[sz - 1 + k];\n\n }\n\n void update(int k, T& v) {// k \u756a\u76ee\u306e\u5024\u3092up(seg[k],v)\u306b\u3059\u308b\n\n k += sz - 1;\n\n seg[k] = up(seg[k], v);\n\n while (k > 0) {\n\n k = (k - 1) / 2;\n\n seg[k] = up(seg[2 * k + 1], seg[2 * k + 2]);\n\n }\n\n }\n\n T query(int a, int b) {//[a,b)\u306eup\u306e\u5408\u6210\u3092\u6c42\u3081\u308b\n\n int k = 0, l = 0, r = sz;\n\n if (r <= a || b <= l) {\n\n return unit;\n\n }\n\n if (a <= l && r <= b) {\n\n return seg[k];\n\n } else {\n\n T vl = query(a, b, k * 2 + 1, l, (l + r) / 2);\n\n T vr = query(a, b, k * 2 + 2, (l + r) / 2, r);\n\n return up(vl, vr);\n\n }\n\n }\n\n T query(int a, int b, int k, int l, int r) {//[a,b)\u306eup\u306e\u5408\u6210\u3092\u6c42\u3081\u308b(a,b,0,0,sz)\u306e\u3088\u3046\u306b\u4f7f\u3046\n\n if (r <= a || b <= l) {\n\n return unit;\n\n }\n\n if (a <= l && r <= b) {\n\n return seg[k];\n\n } else {\n\n T vl = query(a, b, k * 2 + 1, l, (l + r) / 2);\n\n T vr = query(a, b, k * 2 + 2, (l + r) / 2, r);\n\n return up(vl, vr);\n\n }\n\n }\n\n};\n\n\n\ntemplate<typename T>\n\nll inversion_number(vector<T>& a) {\n\n ll n = a.size();\n\n ll res = 0;\n\n using p = pair<T,int>;\n\n vector<p> c(n);\n\n for (int i = 0; i < n; ++i) {\n\n c[i].first = a[i];\n\n c[i].second = i;\n\n }\n\n sort(c.begin(), c.end());\n\n SegmentTree<int> st(n, upsum<int>, 0);\n\n int k = 1;\n\n for (int i = 0; i < n; ++i) {\n\n st.update(c[i].second, k);\n\n res += st.query(c[i].second+1, n);\n\n }\n\n return res;\n\n}\n\n\n\n\n\nint main() {\n\n IOS;\n\n int n;\n\n cin >> n;\n\n vector<int> a(n);\n\n REP(i,n){\n\n cin >> a[i];\n\n }\n\n int ub = 1e9+1,lb=-1;\n\n while(ub-lb>1){\n\n int mid = (ub+lb)/2;\n\n vector<int> s(n+1);\n\n s[0] = 0;\n\n REP(i,n){\n\n int b;\n\n if(a[i]<mid){\n\n b = -1;\n\n }else{\n\n b = 1;\n\n }\n\n s[i+1] = s[i]+b;\n\n }\n\n ll inv = inversion_number(s);\n\n ll temp = (ll)(n+1)*n/2;\n\n if(inv*2>temp){\n\n ub=mid;\n\n }else{\n\n lb=mid;\n\n }\n\n }\n\n put(lb);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002126"}65{"label": "pie_cpp_test_002127", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 123, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 123, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002127.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002127", "task_path": "tasks/test/pie_cpp_test_002127.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <vector>\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <cstdio>\n\n#include <cassert>\n\n\n\n\n\ntemplate <typename T> struct BIT {\n\n std::vector<T> tree;\n\n long long int size;\n\n\n\n BIT(long long int n) : tree(n + 1, (T)0), size(n) {}\n\n\n\n T sum(long long k) {\n\n T s = 0;\n\n assert(0 <= k && k < size);\n\n\n\n for (long long int i = k + 1; i > 0; i -= i & -i) {\n\n s = s + tree[i];\n\n }\n\n return s;\n\n }\n\n\n\n T range(long long int start, long long int end) {\n\n return sum(end) - sum(start - 1);\n\n }\n\n\n\n void add(long long int k, T v) {\n\n assert(0 <= k && k < size);\n\n for (long long int i = k + 1; i <= size; i += i & -i) {\n\n tree[i] = tree[i] + v;\n\n }\n\n }\n\n\n\n void debug() {\n\n for (long long int i = 0; i <= size; i++) {\n\n std::cout << tree[i] << \" \";\n\n }\n\n std::cout << std::endl;\n\n }\n\n};\n\n\n\nusing namespace std;\n\nusing ll = long long int;\n\n\n\nll N;\n\nvector<ll> A;\n\n\n\n\n\nbool check(ll mid) {\n\n //\u4e8c\u5206\u63a2\u7d22\u306e\u76ee\u6a19\u5024\u3002 #{ m[i] | x <= m[i]} = objective \u3068\u306a\u308b\u6700\u5927\u306e x \u3092\u63a2\u3059\n\n const ll comb = (N + 1) * N / 2;\n\n const ll objective = (comb + 1) / 2;\n\n\n\n vector<ll> s(N + 1);\n\n s[0] = 0;\n\n\n\n for (int i = 0; i < N; i++) {\n\n ll inc = A[i] < mid ? -1 : 1;\n\n s[i + 1] = s[i] + inc;\n\n }\n\n\n\n BIT<ll> bit(2 * N + 3);\n\n\n\n ll invs = 0;\n\n for (int i = 0; i <= N; i++) {\n\n ll idx = s[i] + N + 1;\n\n invs += bit.sum(idx);\n\n bit.add(idx, 1);\n\n }\n\n\n\n return invs >= objective;\n\n}\n\n\n\n\n\nint main() {\n\n cin >> N;\n\n for (int i = 0; i < N; i++) {\n\n ll tmp; cin >> tmp; A.push_back(tmp);\n\n }\n\n\n\n ll left = 1;\n\n ll right = (ll)1e9 + 10;\n\n\n\n while (left < right) {\n\n ll mid = (left + right + 1) / 2;\n\n\n\n// printf(\"(%lld, %lld, %lld) - %lld \\n\", left, mid, right, invs);\n\n// for (ll n : s) cout << n << \" \"; cout << endl;\n\n\n\n if (check(mid)) { // satisfies\n\n left = mid;\n\n } else {\n\n right = mid - 1;\n\n }\n\n }\n\n\n\n assert(check(left + 1) == false);\n\n assert(find(A.begin(), A.end(), left) != A.end());\n\n\n\n cout << left << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002127"}66{"label": "pie_cpp_test_002128", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 131, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 131, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002128.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002128", "task_path": "tasks/test/pie_cpp_test_002128.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <algorithm>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <string>\n\n#include <vector>\n\n#include <queue>\n\n#include <map>\n\n#include <set>\n\n\n\n#define ll long long\n\n#define ull unsigned long long\n\n#define BUG printf(\"************\\n\")\n\nusing namespace std;\n\n\n\nconst ull mod = 1e8 + 7;\n\nconst int maxn = 4e5 + 10;\n\nconst int maxm = 1e6 + 10;\n\nconst double eps = 1e-8;\n\n\n\nll n, m;\n\nll a[maxn], b[maxn], s[maxn], f[maxn] ,c[maxn], r[maxn];\n\n\n\ninline int lb(int x) {\n\n return x & -x;\n\n}\n\n\n\nvoid add(ll num, int x) {\n\n for (int i = x; i <= n; i+=lb(i))\n\n c[i] += num;\n\n}\n\n\n\nll read(int x) {\n\n ll tot = 0;\n\n for (int i = x; i; i -= lb(i))tot += c[i];\n\n return tot;\n\n}\n\n\n\nconst int cmp(const int i, const int j) {\n\n return f[j] == f[i] ? i < j : f[i] < f[j];\n\n}\n\n\n\nll inversed_pair() {\n\n memset(c, 0, sizeof(c));\n\n for (int i = 1; i <= n; ++i)r[i] = i;\n\n sort(r + 1, r + 1 + n, cmp);\n\n ll tot = 0;\n\n for (int i = 1; i <= n; ++i) {\n\n tot += read(r[i]);\n\n add(1, r[i]);\n\n }\n\n return tot;\n\n}\n\n\n\nbool check(int x) {\n\n for (int i = 1; i <= n; ++i) {\n\n if (a[i] >= x)b[i] = 1;\n\n else b[i] = 0;\n\n }\n\n for (int i = 1; i <= n; ++i) {\n\n s[i] = s[i - 1] + b[i];\n\n }\n\n int t = 0;\n\n for (int i = 1; i <= n; ++i) {\n\n f[i] = 2 * s[i] - i;\n\n if (f[i] >= f[0])++t;\n\n }\n\n return (2 * (inversed_pair() + t) >= m);\n\n}\n\n\n\nint main() {\n\n ios::sync_with_stdio(0);\n\n cin.tie(0);\n\n cout.tie(0);\n\n cin >> n;\n\n for (int i = 1; i <= n; ++i) {\n\n cin >> a[i];\n\n }\n\n if (n == 1) {\n\n cout << a[1] << endl;\n\n return 0;\n\n }\n\n int l = 1, r = 1e9+10;\n\n m = (n + 1) * n / 2;\n\n while (l < r) {\n\n int mid = (l + r + 1) / 2;\n\n if (!check(mid))r = mid - 1;\n\n else l = mid;\n\n }\n\n cout << l << endl;\n\n return 0;\n\n}\n\n/*\n\n9\n\n7 12 4 18 3 16 18 5 9\n\n*//*\n\n10\n\n16 18 12 17 15 8 10 9 16 4\n\n */\n```", "split": "test", "task_id": "pie_cpp_test_002128"}67{"label": "pie_cpp_test_002129", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 89, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 89, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002129.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002129", "task_path": "tasks/test/pie_cpp_test_002129.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define lowbit(x) x&-x\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nstatic const int inf = 0x7fffffff;\n\nstatic const int N = 1e5 + 10;\n\nint n, a[N], cnt[N*10], pre[N*10];\n\n\n\nvoid add (int x)\n\n{\n\n\tfor (int i = x; i <= N << 1; i += lowbit(i))\n\n\t\t++cnt[i];\n\n}\n\n\n\nll query (int x)\n\n{\n\n\tll sum = 0;\n\n\tfor (int i = x; i > 0; i -= lowbit(i))\n\n\t\tsum += cnt[i];\n\n\treturn sum;\n\n}\n\n\n\nbool check (int x)\n\n{\n\n\tfor (int i = 1; i <= N << 1; ++i)\n\n\t\tcnt[i] = 0;\n\n\tpre[0] = 0;\n\n\tfor (int i = 1; i <= n; ++i)\n\n\t\tpre[i] = pre[i-1] + (a[i] >= x ? 1 : -1);\n\n\tll sum = 0;\n\n\tfor (int i = 0; i <= n; ++i)\n\n\t{\n\n\t\tsum += query(pre[i] + N);\n\n\t\tadd(pre[i]+N);\n\n\t}\n\n\treturn sum >= 1ll * n * (n + 1) >> 2;\n\n}\n\n\n\nint main ()\n\n{\n\n\tcin >> n;\n\n\tint l = 0, r = 0;\n\n\tfor (int i = 1; i <= n; ++i)\n\n\t\tcin >> a[i], r = max(r, a[i]);\n\n\tint ans = 0;\n\n\twhile (l <= r)\n\n\t{\n\n\t\tint mid = (l + r) >> 1;\n\n\t\tif (check(mid))\n\n\t\t\tl = mid + 1;\n\n\t\telse\n\n\t\t\tr = mid - 1;\n\n\t}\n\n\tcout << r;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002129"}68{"label": "pie_cpp_test_002130", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 63, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 63, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002130.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002130", "task_path": "tasks/test/pie_cpp_test_002130.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nlong long n, a[ 100010 ];\n\nlong long Sum[ 100010 ], l, r;\n\nlong long Ans;\n\nlong long Tree[ 200010 ];\n\n\n\nlong long Lowbit( long long x ) { return x & -x; }\n\n\n\nvoid Add( long long x ) {\n\n while( x <= 200001 ) {\n\n ++Tree[ x ];\n\n x += Lowbit( x );\n\n }\n\n return;\n\n}\n\n\n\nlong long Query( long long x ) {\n\n long long ans = 0;\n\n while( x ) {\n\n ans += Tree[ x ];\n\n x -= Lowbit( x );\n\n }\n\n return ans;\n\n}\n\n\n\nint main() {\n\n scanf( \"%lld\", &n );\n\n Ans = n * ( n + 1 ) / 4 + 1;\n\n for( long long i = 1; i <= n; ++i ) scanf( \"%lld\", &a[ i ] );\n\n l = 0; r = 1e9 + 1;\n\n while( l < r ) {\n\n long long mid = l + r >> 1;\n\n for( long long i = 1; i <= n; ++i ) \n\n if( a[ i ] > mid ) Sum[ i ] = -1; else Sum[ i ] = 1;\n\n Sum[ 0 ] = 0;\n\n for( long long i = 1; i <= n; ++i ) Sum[ i ] += Sum[ i - 1 ];\n\n for( long long i = 0; i <= n; ++i ) Sum[ i ] += 100001;\n\n memset( Tree, 0, sizeof( Tree ) );\n\n Add( Sum[ 0 ] );\n\n long long Cnt = 0;\n\n for( long long i = 1; i <= n; ++i ) {\n\n Cnt += Query( Sum[ i ] - 1 );\n\n// printf( \"%lld %lld\\n\", i, Cnt );\n\n Add( Sum[ i ] );\n\n }\n\n if( Cnt >= Ans ) r = mid; else l = mid + 1;\n\n// printf( \"%lld %lld\\n\", mid, Cnt );\n\n }\n\n printf( \"%lld\\n\", l );\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002130"}69{"label": "pie_cpp_test_002131", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 93, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 93, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002131.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002131", "task_path": "tasks/test/pie_cpp_test_002131.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdlib>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<cstdio>\n\n#include<queue>\n\n#define L l,m,rt<<1\n\n#define R m+1,r,rt<<1|1\n\n#define LL long long \n\nusing namespace std;\n\nLL n;\n\nLL l,r,ans,maxx,mid;\n\nLL f[5000100];\n\nLL s[5000100];\n\nLL sum[16000010];\n\nLL read()\n\n{\n\n\tLL _=0,__=1;char ch=getchar();\n\n\twhile(ch<'0'||ch>'9') {if(ch=='-')__=-1;ch=getchar();}\n\n\twhile(ch>='0'&&ch<='9'){_=_*10+ch-'0';ch=getchar();}\n\n\treturn _*__;\n\n}\n\nvoid pushup(LL rt){sum[rt]=sum[rt<<1]+sum[rt<<1|1];}\n\nvoid build(LL l,LL r,LL rt)\n\n{\n\n\tsum[rt]=0;\n\n\tif(l==r)\n\n\t{\n\n\treturn ;\n\n }\n\n\tLL m=(l+r)>>1;\n\n\tbuild(L);\n\n\tbuild(R);\n\n\tpushup(rt);\n\n}\n\nvoid update(LL x,LL l,LL r,LL rt)\n\n{\n\n\tif(l==r)\n\n\t{\n\n\t\tsum[rt]+=1;\n\n\t\treturn ;\n\n\t}\n\n \tLL m=(l+r)>>1;\n\n\tif(x<=m) update(x,L);\n\n\telse update(x,R);\n\n\tpushup(rt); \n\n}\n\nLL query(LL x,LL y,LL l,LL r,LL rt)\n\n{\n\n\tif(x>y) return 0;\n\n\tif(x<=l&&y>=r)\n\n\t{\n\n\t\treturn sum[rt];\n\n\t}\n\n\tLL set=0;\n\n\tLL m=(l+r)>>1;\n\n\tif(x<=m)set+=query(x,y,L);\n\n\tif(y>m) set+=query(x,y,R);\n\n\treturn set; \n\n}\n\nLL check(LL x)\n\n{\n\n\tmemset(sum,0,sizeof(sum));\n\n\tans=0;maxx=-1;\n\n\t for(int i=1;i<=n;i++)\n\n\t {\n\n\t \tif(f[i]>x)\n\n\t \ts[i]=-1;\n\n\t \telse \n\n\t \ts[i]=1;\n\n\t \ts[i]+=s[i-1];\n\n\t }\n\n\t for(int i=0;i<=n;i++)\n\n\t s[i]+=n+1,maxx=max(maxx,s[i]);\n\n\t build(1,maxx+5000,1);\n\n\t for(int i=0;i<=n;i++)\n\n\t {\n\n\t \tans+=query(1,s[i]-1,1,maxx+5000,1);\n\n\t \tupdate(s[i],1,maxx+5000,1);\n\n\t }\n\n\t if(ans>=(1ll*n*(n+1)/4+1)) return 1;\n\n\t else return 0;\n\n}\n\nint main()\n\n{\n\n\tn=read();\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tf[i]=read();\n\n\t\tr=max(r,f[i]); \n\n\t}\n\n//\tif(n==1)\n\n//\t{\n\n//\t\tprintf(\"%lld\",f[1]);\n\n//\t\treturn 0;\n\n//\t}\n\n\tr=r+1;\n\n while(l<=r)\n\n {\n\n mid=(l+r)>>1;\n\n if(check(mid))\n\n {\n\n r=mid;\n\n }\n\n else\n\n {\n\n l=mid+1;\n\n }\n\n if(r-l<=1) \n\n {\n\n mid=check(l)?l:r;\n\n break;\n\n }\n\n }\n\n printf(\"%lld\\n\",mid);\n\n//\tprintf(\"%lld\",r);\n\n//\tcout<<endl;\n\n//\tprintf(\"%d\",r);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002131"}70{"label": "pie_cpp_test_002132", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 39, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 39, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002132.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002132", "task_path": "tasks/test/pie_cpp_test_002132.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int MAXn = 1e5 + 10, INF = 1e9;\n\n\n\nlong long last[2 * MAXn], cnt[2 * MAXn], n, ar[MAXn], psum[MAXn];\n\n\n\nbool check(int a) {\n\n\tfill_n(last, 2 * MAXn, -1);\n\n\tfill_n(cnt, 2 * MAXn, 0);\n\n\tfill_n(psum, MAXn, 0);\n\n\tlong long psum1 = 0, ans = 0;\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\tif (ar[i] > a)\n\n\t\t\tpsum1--;\n\n\t\telse\n\n\t\t\tpsum1++;\n\n\t\tint hp = last[psum1 + MAXn] + 1;\n\n\t\t\n\n\t\tif (psum[hp] < psum1) {\n\n\t\t\tcnt[psum1 + MAXn] += (i - hp);\n\n\t\t}\n\n\t\tans += cnt[psum1 + MAXn] + (psum1 > 0);\n\n\t\tlast[psum1 + MAXn] = i;\n\n\t\tpsum[i] = psum1;\n\n\t}\n\n//\tcout << ans << endl;\n\n\tlong long hp2 = (n * (n + 1)) / 2;\n\n\treturn hp2 / 2 < ans;\n\n}\n\nint main() {\n\n\tcin >> n;\n\n\tfor (int i = 0; i < n; i++)\n\n\t\tcin >> ar[i];\n\n\tif (n == 1)\n\n\t\treturn cout << ar[0],0;\n\n\t\n\n\tint st = 0, en = INF + 10;\n\n\twhile(st + 1 < en) {\n\n\t\tint med = (st + en) / 2;\n\n\t\tif (check(med))\n\n\t\t\ten = med;\n\n\t\telse\n\n\t\t\tst = med;\n\n\t}\n\n\tcout << en;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002132"}71{"label": "pie_cpp_test_002133", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 90, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 90, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002133.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002133", "task_path": "tasks/test/pie_cpp_test_002133.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define lowbit(x) ((x)&(-x))\n\nusing namespace std;\n\n\n\nconst int maxn=1000003;\n\n\n\nlong long sum[maxn];\n\nint n;\n\ninline void update(int x){\n\n\tfor(int i=x;i<maxn;i+=lowbit(i))\n\n\t\t++sum[i];\n\n}\n\ninline int query(int x){\n\n\tstatic int rt;rt=0;\n\n\tfor(int i=x;i>0;i-=lowbit(i))\n\n\t\trt+=sum[i];\n\n\treturn rt;\n\n}\n\nlong long KK=5e5,a[maxn],pre[maxn];\n\ninline bool check(int x){\n\n\tstatic long long res;res=0;\n\n\tpre[0]=0;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tpre[i]=pre[i-1]+(a[i]>=x?1:-1);\n\n\tmemset(sum,0,sizeof(sum));\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tres+=query(pre[i]+KK);\n\n\t\tupdate(pre[i]+KK);\n\n\t}\n\n\treturn res>=1ll*n*(n+1)/4;\n\n}\n\n\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tif(n==1){\n\n\t\tscanf(\"%lld\",&a[1]);\n\n\t\tprintf(\"%lld\\n\",a[1]);\n\n\t\treturn 0;\n\n\t}\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tscanf(\"%lld\",&a[i]);\n\n\tint l=-1,r=1e9+7;\n\n\twhile(l<r-1){\n\n\t\tint mid=(l+r)/2;\n\n\t\tif(check(mid)) l=mid;\n\n\t\telse r=mid;\n\n\t}\n\n\tprintf(\"%d\\n\",l);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002133"}72{"label": "pie_cpp_test_002134", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 86, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 86, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002134.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002134", "task_path": "tasks/test/pie_cpp_test_002134.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <string.h>\n\nint a[200051],sum[200051];\n\nint n;\n\nstruct Node\n\n{\n\n\tint l,r,sum;\n\n};\n\nNode tree[1600401];\n\nint push_up(int p)\n\n{\n\n\ttree[p].sum=tree[p<<1].sum+tree[p<<1|1].sum;\n\n}\n\nvoid build(int p,int l,int r)\n\n{\n\n\tif(l==r)\n\n\t{\n\n\t\ttree[p].sum=0;\n\n\t\ttree[p].l=l;\n\n\t\ttree[p].r=r;\n\n\t\treturn;\n\n\t}\n\n\ttree[p].l=l;\n\n\ttree[p].r=r;\n\n\tint mid=(l+r)>>1;\n\n\tbuild(p<<1,l,mid);\n\n\tbuild(p<<1|1,mid+1,r);\n\n\tpush_up(p);\n\n}\n\nint update(int p,int pos)\n\n{\n\n\tif(pos==tree[p].l&&pos==tree[p].r)\n\n\t{\n\n\t\ttree[p].sum++;\n\n\t\treturn 0;\n\n\t}\n\n\tint mid=(tree[p].l+tree[p].r)>>1;\n\n\tif(pos<=mid) update(p<<1,pos);\n\n\telse update(p<<1|1,pos);\n\n\tpush_up(p);\n\n}\n\nint query(int p,int l,int r)\n\n{\n\n\tif(l>r) return 0;\n\n\tif(l<=tree[p].l&&tree[p].r<=r) return tree[p].sum;\n\n\tint mid=(tree[p].l+tree[p].r)>>1;\n\n\tif(r<=mid) return query(p<<1,l,r);\n\n\telse\n\n\t{\n\n\t\tif(l>mid) return query(p<<1|1,l,r);\n\n\t\telse return query(p<<1,l,mid)+query(p<<1|1,mid+1,r);\n\n\t}\n\n}\n\nint check(int x)\n\n{\n\n\tlong long ans=0;\n\n\tmemset(sum,0,sizeof(sum));\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tsum[i]=sum[i-1]+(a[i]<=x?1:-1);\n\n\t}\n\n\tfor(int i=0;i<=n;i++)\n\n\tsum[i]+=n+1;\n\n\tbuild(1,1,200051);\n\n\tfor(int i=0;i<=n;i++)\n\n\t{\n\n\t\tans+=query(1,1,sum[i]-1);\n\n\t\tupdate(1,sum[i]);\n\n\t}\n\n\treturn ans>=1ll*n*(n+1)/4+1;\n\n}\n\nint main()\n\n{\n\n\tscanf(\"%d\",&n);\n\n\tfor(int i=1;i<=n;i++) scanf(\"%d\",&a[i]);\n\n\tint l=1,r=1e9,mid;\n\n\twhile(l<=r)\n\n\t{\n\n\t\tmid=(l+r)>>1;\n\n\t\tif(check(mid)) r=mid;\n\n\t\telse l=mid+1;\n\n\t\tif(r-l<=1)\n\n\t\t{\n\n\t\t\tmid=check(l)?l:r; break;\n\n\t\t}\n\n\t}\n\n\tprintf(\"%d\\n\",mid);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002134"}73{"label": "pie_cpp_test_002135", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 87, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 87, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002135.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002135", "task_path": "tasks/test/pie_cpp_test_002135.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <cstdio>\n\n#include <vector>\n\n#define itn int\n\n#define reaD read\n\ntypedef long long ll;\n\n#define N 100005\n\nusing namespace std;\n\n\n\nll n, a[N], l, r, t[N << 1], sum[N]; \n\n\n\ninline int read()\n\n{\n\n\tint x = 0, w = 1; char c = getchar();\n\n\twhile(c < '0' || c > '9') { if (c == '-') w = -1; c = getchar(); }\n\n\twhile(c >= '0' && c <= '9') { x = x * 10 + c - '0'; c = getchar(); }\n\n\treturn x * w;\n\n}\n\n\n\nint lowbit(int x) { return x & (-x); }\n\n\n\nvoid add(int x, long long y) { for(int i = x; i <= 200000; i += lowbit(i)) t[i] += y; }\n\n\n\nlong long query(int x) { long long res = 0; for(int i = x; i; i -= lowbit(i)) res += t[i]; return res; }\n\n\n\nbool check(long long mid)\n\n{\n\n\tmemset(t, 0, sizeof(t));\n\n\tlong long cnt = 0;\n\n\tfor(int i = 1; i <= n; i++) sum[i] = sum[i - 1] + (a[i] >= mid ? 1 : -1);\n\n\tfor(int i = 0; i <= n; i++)\n\n\t{\n\n\t\tcnt += query(sum[i] + 100000);\n\n\t\tadd(sum[i] + 100000, 1); \n\n\t}\n\n\treturn cnt >= 1ll * n * (n + 1) / 4; \n\n}\n\n\n\nint main()\n\n{\n\n\tn = read();\n\n\tfor(int i = 1; i <= n; i++) r = max(r, a[i] = read());\n\n\twhile(l <= r)\n\n\t{\n\n\t\tint mid = (l + r) >> 1;\n\n\t\tif(check(mid)) l = mid + 1;\n\n\t\telse r = mid - 1; \n\n\t}\n\n\tprintf(\"%lld\\n\", r); \n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002135"}74{"label": "pie_cpp_test_002136", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 84, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 84, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002136.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002136", "task_path": "tasks/test/pie_cpp_test_002136.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <vector>\n\nusing namespace std;\n\n\n\nconst int maxn = 1e5+5;\n\nint n;\n\nint a[maxn],s[maxn],b[maxn];\n\n\n\nlong long merge_sort(int l,int r){\n\n\tif (l == r) return 0;\n\n\tint mid = (l+r)/2;\n\n\tlong long ret = merge_sort(l,mid) + merge_sort(mid+1,r);\n\n\tint i = l;\n\n\tint j = mid+1;\n\n\tint p = l;\n\n\twhile (i <= mid || j <= r) {\n\n\t\tif (j > r || (i <= mid && s[i] <= s[j])){\n\n\t\t\tb[p++] = s[i++];\n\n\t\t}else{\n\n\t\t\tb[p++] = s[j++];\n\n\t\t\tret += mid-i+1;\n\n\t\t}\n\n\t}\n\n\tfor (int i = l; i <= r; i++) s[i] = b[i];\n\n\treturn ret;\n\n}\n\n\n\nbool check(int x) {\n\n\ts[0] = 0;\n\n\tfor (int i = 1; i <= n; i++) s[i] = s[i-1] + (a[i] < x? -1 : 1);\n\n\treturn merge_sort(0,n)*2 <= (long long) n*(n+1)/2;\n\n}\n\n\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tvector<int> vec;\n\n\tfor (int i = 1; i <= n; i++) {\n\n\t\tscanf(\"%d\",&a[i]);\n\n\t\tvec.push_back(a[i]);\n\n\t}\n\n\tsort(vec.begin(), vec.end());\n\n\t/*for (int i = 0; i < vec.size(); i++) {\n\n\t\tprintf(\"%d \",vec[i]);\n\n\t}\n\n\tprintf(\"\\n\");*/\n\n\tvec.erase(unique(vec.begin(),vec.end()),vec.end());\n\n\tint l = 0, r = vec.size() - 1;\n\n\twhile (l < r) {\n\n\t\tint mid = (l+r+1)/2;\n\n\t\tif (check(vec[mid])) l = mid;\n\n\t\telse r = mid -1;\n\n\t}\n\n\tprintf (\"%d\\n\",vec[l]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002136"}75{"label": "pie_cpp_test_002137", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 200, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 200, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002137.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002137", "task_path": "tasks/test/pie_cpp_test_002137.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define int long long\n\n#define FOR(i, a, b) for(ll i = (a); i < (b); ++i)\n\n#define FORR(i, a, b) for(ll i = (a); i > (b); --i)\n\n#define REP(i, n) for(ll i = 0; i < (n); ++i)\n\n#define REPR(i, n) for(ll i = n; i >= 0; i--)\n\n#define FOREACH(x, a) for(auto &(x) : (a))\n\n#define VECCIN(x) \\\n\n for(auto &youso_ : (x)) cin >> youso_\n\n#define bitcnt __builtin_popcount\n\n#define SZ(x) ((ll)(x).size())\n\n#define fi first\n\n#define se second\n\n#define All(a) (a).begin(), (a).end()\n\ntemplate <typename T = long long> inline T IN() {\n\n T x;\n\n cin >> x;\n\n return (x);\n\n}\n\ninline void CIN() {}\n\ntemplate <class Head, class... Tail>\n\ninline void CIN(Head &&head, Tail &&... tail) {\n\n cin >> head;\n\n CIN(move(tail)...);\n\n}\n\n#define CINT(...) \\\n\n int __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define LCIN(...) \\\n\n ll __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define SCIN(...) \\\n\n string __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define Yes(a) cout << (a ? \"Yes\" : \"No\") << \"\\n\"\n\n#define YES(a) cout << (a ? \"YES\" : \"NO\") << \"\\n\"\n\n#define Printv(v) \\\n\n { \\\n\n FOREACH(x, v) { cout << x << \" \"; } \\\n\n cout << \"\\n\"; \\\n\n }\n\ntemplate <typename T = string> inline void eputs(T s) {\n\n cout << s << \"\\n\";\n\n exit(0);\n\n}\n\ntemplate <typename A, size_t N, typename T>\n\nvoid Fill(A (&array)[N], const T &val) {\n\n std::fill((T *)array, (T *)(array + N), val);\n\n}\n\n\n\ntypedef long long ll;\n\ntypedef unsigned long long ul;\n\ntypedef vector<ll> VL;\n\ntypedef pair<ll, ll> PL;\n\ntypedef priority_queue<ll> PQ;\n\ntypedef priority_queue<ll, VL, greater<ll>> PQG;\n\n\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9 + 7;\n\n// const int MOD = 998244353;\n\nconst ll LINF = 1e18 + 1;\n\nconst ll dx[] = {1, -1, 0, 0};\n\nconst ll dy[] = {0, 0, 1, -1};\n\n\n\nll N;\n\nVL a;\n\n\n\n// new\n\ntemplate <typename T> struct BIT {\n\n int n;\n\n vector<T> dat;\n\n\n\n BIT(ll n = 0) { initialize(n); }\n\n\n\n void initialize(ll nin) {\n\n n = nin + 1;\n\n dat.resize(n + 1);\n\n fill(All(dat), 0);\n\n }\n\n\n\n T sum(ll i) {\n\n T s = 0;\n\n while(i > 0) {\n\n s += dat[i];\n\n i = i & (i - 1);\n\n }\n\n return s;\n\n }\n\n\n\n T sum_between(ll i, ll j) {\n\n if(i > j) return 0;\n\n return sum(j) - sum(i - 1);\n\n }\n\n\n\n void plus(ll i, T x) {\n\n while(i <= n) {\n\n dat[i] += x;\n\n i += i & -i;\n\n }\n\n }\n\n\n\n ll lower_bound(T x) {\n\n ll ret = 0;\n\n ll k = 1;\n\n while(2 * k <= n) k <<= 1;\n\n for(; k > 0; k >>= 1) {\n\n if(ret + k <= n && dat[ret + k] < x) {\n\n x -= dat[ret + k];\n\n ret += k;\n\n }\n\n }\n\n return ret + 1;\n\n }\n\n};\n\n\n\nbool judge(ll x) {\n\n VL sum(N + 1, 0);\n\n ll all = (N + 1) * N / 2;\n\n ll S = 0;\n\n REP(i, N) {\n\n sum[i + 1] += sum[i] + (a[i] >= x ? 1 : -1);\n\n if(a[i] >= x) S++;\n\n }\n\n FOREACH(s, sum) s += N + 1;\n\n auto num = BIT<ll>(2 * N);\n\n FOR(i, 1, N + 1) {\n\n S += num.sum(sum[i]);\n\n num.plus(sum[i], 1);\n\n }\n\n return 2 * S >= all;\n\n}\n\n\n\nsigned main() {\n\n cin >> N;\n\n REP(i, N) a.emplace_back(IN());\n\n ll lb = 1, ub = LINF;\n\n REP(i, 100) {\n\n ll mid = (ub + lb) / 2;\n\n if(judge(mid))\n\n lb = mid;\n\n else\n\n ub = mid;\n\n }\n\n if(lb==50000) eputs(50001);\n\n cout << lb << \"\\n\";\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002137"}76{"label": "pie_cpp_test_002138", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 437, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 437, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002138.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002138", "task_path": "tasks/test/pie_cpp_test_002138.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ALL(A) (A).begin(),(A).end()\n\n#define ll long long\n\n#define int long long\n\nll msize;\n\nint N,Max=0;\n\nvector<int> bit(1e7);\n\nint lowbit(int x){\n\n\treturn x&(-x);\n\n}\n\nvoid add(int x){\n\n\tfor(int i=x;i<=1e7;i+=lowbit(i))\n\n\tbit[i]+=1;\n\n}\n\nll sum(int a){\n\n\tll ret = 0;\n\n\tfor(int x = a;x>0;x -=x&-x)ret += bit[x];\n\n\treturn ret;\n\n}\n\nll count(vector<int> &c){\n\n\tll ret = 0;\n\n\tfill(ALL(bit),0);\n\n\tfor(int j=0;j<c.size();j++){\n\n\t\tret += sum(c[j] + N+1);\n\n\t\tadd(c[j] + N+1);\n\n\t}\n\n\t//cout << ret << endl;\n\n\treturn ret;\n\n}\n\nbool check(vector<int> &a,int k){\n\n\tvector<int> b = a,c(a.size()+1);\n\n\tfor(int i=0;i<b.size();i++){\n\n\t\tif(a[i] >= k)b[i]=1;\n\n\t\telse b[i] = -1;\n\n\t}\n\n\t//cout << \"(msize+1)/2) =\" << (msize+1)/2 <<\" \";\n\n\t//cout << \"k = \" << k <<\" \";\n\n\tc[0] = 0;\n\n\tfor(int i=0;i<b.size();i++){\n\n\t\tc[i+1] = c[i] + b[i];\n\n\t}\n\n\t//c\u306e\u3042\u308b\u533a\u9593\u306b\u3064\u3044\u3066\u3001k\u4ee5\u4e0a\u306e\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3059\u308b\n\n\tif(count(c) >= (msize+1)/2)return 1;\n\n\telse return 0;\n\n}\n\nsigned main(void){\n\n\t\n\n\tcin >> N;\n\n\tvector<int> a(N);\n\n\tmsize = (ll)N*(N+1)/2;\n\n\tfor(int i=0;i<N;i++){\n\n\t\tcin >> a[i];\n\n\t\tMax = max(Max,a[i]);\n\n\t}\n\n\tint ok = -1;\n\n\tint ng = 1e9+7;\n\n\twhile(abs(ok-ng)>1){\n\n\t\tint mid = (ok+ng)/2;\n\n\t\t//check(vector<int> &a,mid)\u306fmid\u4ee5\u4e0a\u306e\u6570\u304cm\u306b\u534a\u5206\u4ee5\u4e0a\u542b\u307e\u308c\u3066\u3044\u305f\u5834\u54081\u3092\u8fd4\u3059\n\n\t\tif(check(a,mid)){\n\n\t\t\tok = mid;\n\n\t\t}else{\n\n\t\t\tng = mid;\n\n\t\t}\n\n\t}\n\n\tcout << ok << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002138"}77{"label": "pie_cpp_test_002139", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 288, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 288, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002139.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002139", "task_path": "tasks/test/pie_cpp_test_002139.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <queue>\n\n#include <string>\n\n#include <map>\n\n#include <set>\n\n#include <stack>\n\n#include <tuple>\n\n#include <deque>\n\n#include <numeric>\n\n#include <bitset>\n\n#include <iomanip>\n\n#include <cassert>\n\n#include <chrono>\n\n#include <random>\n\n#include <limits>\n\n#include <iterator>\n\n#include <functional>\n\n#include <sstream>\n\n#include <complex>\n\nusing namespace std;\n\n\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\n\n\ntypedef long long ll;\n\ntypedef uint64_t ull;\n\ntypedef pair<int, int> P;\n\ntypedef pair<int, double> Pid;\n\ntypedef pair<double, int> Pdi;\n\ntypedef pair<ll, int> Pl;\n\ntypedef pair<ll, ll> Pll;\n\ntypedef pair<int, pair<int, int>> PP;\n\ntypedef pair<P, int> PPi;\n\nconstexpr double PI = 3.1415926535897932; // acos(-1)\n\nconstexpr double EPS = 1e-9;\n\nconstexpr int INF = 1001001001;\n\nconstexpr int mod = 1e+9 + 7;\n\n// constexpr int mod = 998244353;\n\n\n\nint n;\n\nvector<int> a;\n\n\n\ntemplate<typename Monoid>\n\nstruct SegmentTree{\n\n using F = function<Monoid(Monoid, Monoid)>;\n\n\n\n int sz;\n\n vector<Monoid> seg;\n\n\n\n const F f; // \u30e2\u30ce\u30a4\u30c9\u306b\u5bfe\u3057\u3066\u4e8c\u9805\u6f14\u7b97\u3092\u884c\u3046\u95a2\u6570\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\n\n const Monoid M1;\n\n\n\n SegmentTree(int n, const F f, const Monoid &M1) : f(f), M1(M1){\n\n sz = 1;\n\n while(sz < n) sz <<= 1;\n\n seg.assign(2 * sz, M1);\n\n }\n\n\n\n void set(int k, const Monoid &x){\n\n seg[k + sz] = x;\n\n }\n\n\n\n void build(){\n\n for(int k = sz - 1; k > 0; --k){\n\n seg[k] = f(seg[k << 1], seg[k << 1 | 1]);\n\n }\n\n }\n\n\n\n void update(int k, const Monoid &x){\n\n k += sz;\n\n seg[k] = x;\n\n while(k >>= 1){\n\n seg[k] = f(seg[k << 1], seg[k << 1 | 1]);\n\n }\n\n }\n\n\n\n Monoid query(int a, int b){\n\n Monoid L = M1, R = M1;\n\n for(a += sz, b += sz; a < b; a >>= 1, b >>= 1){\n\n if(a & 1) L = f(L, seg[a++]);\n\n if(b & 1) R = f(seg[--b], R);\n\n }\n\n return f(L, R);\n\n }\n\n\n\n Monoid operator[](const int &k) const{\n\n return seg[k + sz];\n\n }\n\n};\n\n\n\nbool check(int x){\n\n vector<P> sum(n + 1);\n\n sum[0] = P(0, 0);\n\n for(int i = 0; i < n; ++i){\n\n sum[i + 1].first = sum[i].first + ((a[i] >= x) ? 1 : -1);\n\n sum[i + 1].second = i + 1;\n\n }\n\n sort(sum.begin(), sum.end(), greater<P>());\n\n SegmentTree<int> seg(n + 1, [](int a, int b){return a + b;}, 0);\n\n ll cnt = 0;\n\n for(int i = 0; i <= n; ++i){\n\n int pos = sum[i].second;\n\n cnt += seg.query(pos, n + 1);\n\n seg.update(pos, seg[pos] + 1);\n\n }\n\n ll comparision = (ll)n * (n + 1) / 2;\n\n comparision = (comparision + 1) / 2;\n\n return cnt >= comparision;\n\n}\n\n\n\nint main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(nullptr);\n\n\n\n cin >> n;\n\n a.resize(n);\n\n for(int i = 0; i < n; ++i) cin >> a[i];\n\n int ok = 1, ng = INF;\n\n while(ng - ok > 1){\n\n int mid = (ng + ok) / 2;\n\n if(check(mid)) ok = mid;\n\n else ng = mid;\n\n }\n\n cout << ok << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002139"}78{"label": "pie_cpp_test_002140", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 259, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 259, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002140.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002140", "task_path": "tasks/test/pie_cpp_test_002140.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define RI register int\n\nint read() {\n\n\tint q=0;char ch=' ';\n\n\twhile(ch<'0'||ch>'9') ch=getchar();\n\n\twhile(ch>='0'&&ch<='9') q=q*10+ch-'0',ch=getchar();\n\n\treturn q;\n\n}\n\ntypedef long long LL;\n\nconst int N=100005,inf=0x3f3f3f3f;\n\nint n,js,a[N],s[N],b[N],c[N];LL res,num;\n\nvoid msort(int l,int r) {\n\n\tint mid=(l+r)>>1;\n\n\tfor(RI k=l,i=l,j=mid+1;k<=r;++k)\n\n\t\tif(j>r||(i<=mid&&s[i]<=s[j])) c[k]=s[i++];\n\n\t\telse c[k]=s[j++];\n\n\tfor(RI k=l;k<=r;++k) s[k]=c[k];\n\n}\n\nvoid work(int l,int r) {\n\n\tif(l==r) return;\n\n\tint mid=(l+r)>>1;\n\n\twork(l,mid),work(mid+1,r);\n\n\tfor(RI i=l,j=mid+1;j<=r;++j) {\n\n\t\twhile(i<=mid&&s[i]<=s[j]) ++i;\n\n\t\tres+=i-l;\n\n\t}\n\n\tmsort(l,r);\n\n}\n\nint check(int x) {\n\n\tfor(RI i=1;i<=n;++i)\n\n\t\ts[i]=s[i-1]+(a[i]>=x?1:-1),b[i]=s[i];\n\n\tb[n+1]=0,sort(b+1,b+2+n);\n\n\tjs=1;for(RI i=2;i<=n+1;++i) if(b[i]!=b[js]) b[++js]=b[i];\n\n\tfor(RI i=0;i<=n;++i) s[i]=lower_bound(b+1,b+1+js,s[i])-b;\n\n\tres=0,work(0,n);\n\n\treturn res>=(num+1)/2;\n\n}\n\nint main()\n\n{\n\n\tint l=inf,r=0,ans;\n\n\tn=read();num=1LL*n*(n-1)/2+n;\n\n\tfor(RI i=1;i<=n;++i)\n\n\t\ta[i]=read(),l=min(a[i],l),r=max(a[i],r);\n\n\twhile(l<=r) {\n\n\t\tint mid=(l+r)>>1;\n\n\t\tif(check(mid)) ans=mid,l=mid+1;\n\n\t\telse r=mid-1;\n\n\t}\n\n\tprintf(\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002140"}79{"label": "pie_cpp_test_002141", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 193, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 193, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002141.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002141", "task_path": "tasks/test/pie_cpp_test_002141.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconst int maxn = 1e5+10;\n\nint a[maxn];\n\nint b[maxn];\n\nint n;\n\n\n\nint c[maxn],tmp[maxn];\n\nlong long ans;\n\n\n\nvoid Merge(int l,int m,int r)\n\n{\n\n int i = l;\n\n int j = m + 1;\n\n int k = l;\n\n while(i <= m && j <= r)\n\n {\n\n if(c[i] > c[j])\n\n {\n\n tmp[k++] = c[j++];\n\n ans += m - i + 1;\n\n }\n\n else\n\n {\n\n tmp[k++] = c[i++];\n\n }\n\n }\n\n while(i <= m) tmp[k++] = c[i++];\n\n while(j <= r) tmp[k++] = c[j++];\n\n for(int i=l;i<=r;i++)\n\n c[i] = tmp[i];\n\n}\n\n \n\nvoid Merge_sort(int l,int r)\n\n{\n\n if(l < r)\n\n {\n\n int m = (l + r) >> 1;\n\n Merge_sort(l,m);\n\n Merge_sort(m+1,r);\n\n Merge(l,m,r);\n\n }\n\n}\n\n\n\nint lowbit(int x){\n\n return x&(-x);\n\n}\n\n\n\nvoid add(int x,int d){\n\n while(x<=n){\n\n b[x]+=d;\n\n x+=lowbit(x);\n\n }\n\n}\n\n\n\n\n\nint sum(int x){\n\n int res = 0;\n\n while(x){\n\n res+=b[x];\n\n x-=lowbit(x);\n\n }\n\n return res;\n\n}\n\n\n\nbool cc(int d){\n\n memset(b,0,sizeof(b));\n\nfor(int i=1;i<=n;i++){\n\n if(a[i]>=d)add(i,1);\n\n else add(i,-1);\n\n}\n\n for(int i=1;i<=n;i++)c[i] = sum(i);\n\n ans = 0;\n\n for(int i=1;i<=n;i++){\n\n if(c[i]<0)ans++;//\u5355\u4e2a\u524d\u7f00\u548c\u5c0f\u4e8e0\n\n }\n\n Merge_sort(1,n);//\u7edf\u8ba1\u9006\u5e8f\u6570\n\n long long num = 1LL*n*(n+1)/2 - ans;\n\n return num>=ans;\n\n}\n\n\n\nint main(){\n\n scanf(\"%d\",&n);\n\n for(int i=1;i<=n;i++)scanf(\"%d\",&a[i]);\n\n int ub = 1e9;\n\n int lb = 0;\n\n while(ub-lb>1){\n\n int mid = lb+(ub-lb)/2;\n\n if(cc(mid))lb = mid;\n\n else ub = mid;\n\n }\n\n if(cc(lb+1))lb++;\n\n printf(\"%d\\n\",lb);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002141"}80{"label": "pie_cpp_test_002142", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 111, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 111, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002142.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002142", "task_path": "tasks/test/pie_cpp_test_002142.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define M 1000000007\n\n#define pb emplace_back\n\n#define F first\n\n#define S second\n\n#define rep(i, st, ed) for(ll i=st; i<ed; ++i)\n\n#define repn(i, st, ed) for(ll i=st; i<=ed; ++i)\n\n#define repb(i, ed, st) for(ll i=ed; i>=st; --i)\n\n#define all(v) v.begin(),v.end()\n\n#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );\n\n#define PI acosl(-1.0)\n\n#define mp(a, b) make_pair(a, b)\n\n#define eps 1e-9\n\n#define FAST ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);\n\ntypedef long long ll;\n\ntemplate<class T> void chmax(T &a,T b) { if (a<b) a=b;}\n\ntemplate<class T> void chmin(T &a,T b) { if (a>b) a=b;}\n\nconst int N = 2e5 + 10;\n\nconst ll INF = 1LL << 60;\n\nll iv[N];\n\nll powM(ll a, ll b){ll res = 1;for(;b;a=a*a%M,b/=2) if(b&1) res=res*a%M;return res;}\n\nll nckbig(int n, int k){ll ans = 1;for(int i=1; i<=k; ++i){ans = ans*(n-i+1)%M*iv[i]%M;}return ans;}\n\nvoid caliv(){iv[1] = 1;for(int i=2; i<N; i++){iv[i] = M-M/i*iv[M%i]%M;}}\n\nll f1[N], f2[N];\n\nvoid calf(){f1[0] = f2[0] = 1;for(int i=2; i <N; ++i){f1[i] = f1[i-1]*i%M;f2[i] = f2[i-i]*iv[i]%M;}}\n\nll nck(int n, int k){return f1[n]*f2[n-k]%M*f2[k]%M;}\n\nll npk(int n, int k){return f1[n]*f2[n-k]%M;}\n\nvoid Rnck(int big){if(big){caliv();}else{calf();}}\n\n\n\nll f[N*4];\n\nvector<ll> v;\n\nvoid upd(ll pos, ll val)\n\n{\n\n\tfor(int i=pos; i<N*4; i += i&-i) f[i] += val;\n\n}\n\n\n\nll query(ll pos)\n\n{\n\n\tll res = 0;\n\n\tfor(int i=pos; i>0; i -= i&-i) res += f[i];\n\n\treturn res;\n\n} \n\n\n\nbool check(ll m, ll sz)\n\n{\n\n\tmemset(f, 0, sizeof(f));\n\n\tll inv = 0;\n\n\tll n = sz;\n\n\tvector<ll> tmp(n+1);\n\n\ttmp[0] = 0;\n\n\tfor(int i=0; i<n; i++)\n\n\t\ttmp[i+1] = tmp[i] + (v[i] >= m?1:-1);\n\n\tfor(int i=0; i<=n; i++)\n\n\t{\n\n\t\tll ind = tmp[i] + N + 1;\n\n\t\tinv += query(ind);\n\n\t\tupd(ind, 1);\n\n\t} \n\n\tll total = (n*(n+1)) /2;\n\n\tll obj = (total+1) /2;\n\n\tif(inv>= obj) return true;\n\n\telse return false;\n\n}\n\n\n\n\n\nvoid solve()\n\n{\n\n\tint n;\n\n\tcin>>n;\n\n\tv.resize(n);\n\n\tfor(int i=0; i<n; i++) cin>>v[i];\n\n\tll l = 0, r = 1 << 30;\n\n\tll ans = 0;\n\n\twhile(l <= r)\n\n\t{\n\n\t\tll mid = l + (r-l) / 2;\n\n\t\tif(check(mid, n)) {ans = mid, l = mid + 1;}\n\n\t\telse r = mid - 1;\n\n\t}\n\n\tcout<<ans<<endl;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n FAST\n\n ll Tests = 1;\n\n //cin>>Tests;\n\n while(Tests--)\n\n {\n\n solve();\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002142"}81{"label": "pie_cpp_test_002143", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 891, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 891, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002143.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002143", "task_path": "tasks/test/pie_cpp_test_002143.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef pair<ll,ll> P;\n\ntypedef pair<int,int> Pi;\n\n#define rep(i,n) for(ll i=0;i<n;i++)\n\n#define FOR(i,a,b) for(ll i=a;i<b;i++)\n\n#define fi first\n\n#define se second\n\n#define endl \"\\n\"\n\n\n\ntemplate<typename T> inline bool chmax(T &a, T b){if(a<b){a=b;return true;}return false;}\n\ntemplate<typename T> inline bool chmin(T &a, T b){if(a>b){a=b;return true;}return false;}\n\ntemplate<typename T> ostream& operator<<(ostream& s,const complex<T>& d) {return s<<\"(\"<<d.real()<<\", \"<<d.imag()<< \")\";}\n\ntemplate<typename T1, typename T2> ostream& operator<<(ostream& s,const pair<T1,T2>& d) {return s<<\"(\"<<d.first<<\", \"<<d.second<<\")\";}\n\ntemplate<typename T> ostream& operator<<(ostream& s, const vector<T>& d){int len=d.size();rep(i,len){s<<d[i];if(i<len-1) s<<\" \";}return s;}\n\ntemplate<typename T> ostream& operator<<(ostream& s,const vector<vector<T>>& d){int len=d.size();rep(i,len){s<<d[i]<<endl;}return s;}\n\ntemplate<typename T> ostream& operator<<(ostream& s,const set<T>& v){s<<\"{ \";for(auto itr=v.begin();itr!=v.end();++itr) {if (itr!=v.begin()) {s<< \", \";}s<<(*itr);}s<<\" }\";return s;}\n\ntemplate<typename T> ostream& operator<<(ostream& s,const multiset<T>& v){s<<\"{ \";for(auto itr=v.begin();itr!=v.end();++itr) {if (itr!=v.begin()) {s<< \", \";}s<<(*itr);}s<<\" }\";return s;}\n\ntemplate<typename T1, typename T2> ostream& operator<<(ostream& s,const map<T1,T2>& m){s<<\"{\"<<endl;for(auto itr=m.begin();itr!=m.end();++itr){s<<\" \"<<(*itr).first<<\" : \"<<(*itr).second<<endl;}s<<\"}\"<<endl;return s;}\n\n\n\nconst ll mod=1'000'000'007;\n\nconst ll inf=1'000'000'000'000'000'00;\n\nconst int INF=1'000'000'000;\n\nconst double EPS=1e-10;\n\nconst double PI=acos(-1);\n\n\n\ntemplate<typename Monoid,typename F>\n\nstruct SegmentTree{\n\n int sz;\n\n vector<Monoid> node;\n\n const F op;//\u6f14\u7b97\n\n const Monoid e;//\u5358\u4f4d\u5143\n\n SegmentTree(int n,const F op,const Monoid &e):op(op),e(e){\n\n sz=1;\n\n while(sz<n) sz*=2;\n\n node.assign(2*sz,e);\n\n }\n\n void build(const vector<Monoid> &v){\n\n int n=v.size();\n\n for(int i=0;i<n;i++) node[i+sz-1]=v[i];\n\n for(int i=sz-2;i>=0;i--) node[i]=op(node[2*i+1],node[2*i+2]);\n\n }\n\n void update(int k,const Monoid &x){\n\n k+=sz-1;\n\n node[k]=x;\n\n while(k>0){\n\n k=(k-1)/2;\n\n node[k]=op(node[2*k+1],node[2*k+2]);\n\n }\n\n }\n\n Monoid query(int a,int b,int k=0,int l=0,int r=-1){\n\n if(r<0) r=sz;\n\n if(r<=a || b<=l) return e;\n\n if(a<=l && r<=b) return node[k];\n\n else{\n\n Monoid vl=query(a,b,2*k+1,l,(l+r)/2);\n\n Monoid vr=query(a,b,2*k+2,(l+r)/2,r);\n\n return op(vl,vr);\n\n }\n\n }\n\n Monoid operator[](const int &k)const{\n\n return node[k+sz-1];\n\n }\n\n};\n\n\n\n//Compress<ll> comp(a);\u307f\u305f\u3044\u306a\u611f\u3058\u3067\n\ntemplate <class T>\n\nstruct Compress{\n\n int N;\n\n map<T,int> idx;\n\n vector<T> cmp;\n\n Compress(vector<T> v){\n\n for(auto& x:v) cmp.push_back(x);\n\n sort(cmp.begin(),cmp.end());\n\n cmp.erase(unique(cmp.begin(),cmp.end()),cmp.end());\n\n N=cmp.size();\n\n for(int i=0;i<N;i++) idx[cmp[i]]=i;\n\n }\n\n int id(T val){return idx[val];}//\u524d\u2192\u5f8c\n\n T val(int id){return cmp[id];}//\u5f8c\u2192\u524d\n\n};\n\n\n\nint main(){\n\n cin.tie(0);ios::sync_with_stdio(false);\n\n ll n;\n\n cin>>n;\n\n vector<ll> a(n);\n\n ll mi=inf;\n\n rep(i,n){\n\n cin>>a[i];\n\n chmin(mi,a[i]);\n\n }\n\n auto op=[](ll a,ll b){return a+b;};\n\n ll M=n*(n+1)/2;\n\n auto check=[&](ll x){\n\n vector<ll> b(a),sum(n+1,0);\n\n rep(i,n){\n\n if(a[i]>=x) b[i]=1;\n\n else b[i]=-1;\n\n sum[i+1]=sum[i]+b[i];\n\n }\n\n ll cnt=0;\n\n Compress comp(sum);\n\n rep(i,n+1) sum[i]=comp.id(sum[i]);\n\n SegmentTree seg(n+1,op,0);\n\n seg.update(sum[0],1);\n\n FOR(r,1,n+1){\n\n cnt+=seg.query(0,sum[r]+1);\n\n seg.update(sum[r],seg.query(sum[r],sum[r]+1)+1);\n\n }\n\n return (M+1)/2<=cnt;\n\n };\n\n ll ok=mi,ng=INF+1;\n\n while(ng-ok>1){\n\n ll mid=(ok+ng)/2;\n\n if(check(mid)) ok=mid;\n\n else ng=mid;\n\n }\n\n cout<<ok<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002143"}82{"label": "pie_cpp_test_002144", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 79, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 79, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002144.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002144", "task_path": "tasks/test/pie_cpp_test_002144.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\nconst int N=1e5+5;\n\ntypedef long long ll;\n\nint n,a[N],b[N],c[N],d[N];\n\nint bit[N<<1];ll tot=0;\n\nvoid init() {\n\n for(int i=1;i<N<<1;i++) bit[i]=0;\n\n}\n\nvoid add(int x,int v) {\n\n for(;x<N<<1;x+=x&-x) bit[x]+=v;\n\n}\n\nint sum(int x) {\n\n int res=0;\n\n for(;x;x-=x&-x) res+=bit[x];\n\n return res;\n\n}\n\nbool check(int x) {\n\n init();\n\n for(int i=1;i<=n;i++) {\n\n if(a[i]<x) b[i]=-1;\n\n else b[i]=1;\n\n c[i]=c[i-1]+b[i];\n\n add(c[i]+N,1);\n\n }\n\n ll ans=0;int now=N;\n\n for(int i=1;i<=n;i++) {\n\n ans+=sum(now-1);\n\n now+=b[i];add(c[i]+N,-1);\n\n }\n\n return tot-ans>=ans;\n\n}\n\nint main() {\n\n scanf(\"%d\",&n);\n\n for(int i=1;i<=n;i++) scanf(\"%d\",a+i),d[i]=a[i];\n\n int l=1,r=1e9+7,mid;tot=1LL*(n+1)*n>>1;tot=tot;\n\n std::sort(d+1,d+n+1);int tail=std::unique(d+1,d+n+1)-d;\n\n r=tail;\n\n while(r-l>1) {\n\n mid=(l+r)>>1;\n\n if(check(d[mid])) l=mid;\n\n else r=mid;\n\n }\n\n printf(\"%d\\n\",d[l]);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002144"}83{"label": "pie_cpp_test_002145", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 127, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 127, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002145.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002145", "task_path": "tasks/test/pie_cpp_test_002145.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<math.h>\n\n#include<algorithm>\n\n#include<map>\n\n#include<set>\n\n#include<bitset>\n\n#include<stack>\n\n#include<queue>\n\n#include<string>\n\n#include<cstring>\n\n\n\n\n\nusing namespace std;\n\ntypedef long long LL;\n\nconst int maxn=1e6+7;\n\nLL n;\n\nLL tot=0;\n\nLL mn=0x3f,mx=-0x3f;\n\nLL a[maxn];\n\nLL bit[maxn];\n\n\n\nstruct node {\n\nLL val,pos;\n\n}arr[maxn];\n\n\n\nbool cmp(node n1,node n2)\n\n{\n\n return n1.val==n2.val?n1.pos<n2.pos:n1.val<n2.val;\n\n}\n\n\n\nvoid update(LL x,LL val)\n\n{\n\n for(; x< maxn ;x+=(x & -x))\n\n {\n\n bit[x]+=val;\n\n }\n\n}\n\n\n\nLL getsum(LL x)\n\n{\n\n LL ans=0;\n\n for(;x>0;x-=(x & -x))\n\n {\n\n ans += bit[x];\n\n }\n\n return ans;\n\n}\n\n\n\n\n\n\n\nbool check(LL x){\n\n memset(bit,0,sizeof(bit));\n\n memset(arr,0,sizeof(arr));\n\n\n\n\n\n\tfor(int i=1;i<=n;i++)\n\n {\n\n if(a[i]<=x)arr[i].val=-1;\n\n else arr[i].val=1;\n\n arr[i].pos=i+1;\n\n }\n\n\n\n arr[0].val=-1;\n\n\tarr[0].pos=1;\n\n\n\n\tfor(int i=1;i<=n;i++)\n\n\tarr[i].val+=arr[i-1].val;\n\n\tsort(arr,arr+n+1,cmp);\n\n\n\n\tLL ans=0;\n\n\tfor(int i=0;i<=n;i++)\n\n {\n\n ans+=(i-getsum(arr[i].pos));\n\n update(arr[i].pos,1);\n\n }\n\n\treturn ans*2 > tot;\n\n}\n\n\n\n\n\nint main(){\n\n scanf(\"%lld\",&n);\n\n\n\n for(int i=1;i<=n;i++)\n\n {\n\n \t scanf(\"%lld\",&a[i]);\n\n \t mn=min(mn,a[i]);\n\n \t mx=max(mx,a[i]);\n\n \t tot+=i;\n\n }\n\n\n\n LL l=mn,r=mx;\n\n while(r-l>1)\n\n {\n\n \t LL mid=(l+r)/2;\n\n \t if(check(mid)) r=mid;\n\n \t else l=mid;\n\n \t //printf(\"s%d\",mid);\n\n }\n\n printf(\"%lld\\n\",r);\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002145"}84{"label": "pie_cpp_test_002146", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 89, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 89, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002146.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002146", "task_path": "tasks/test/pie_cpp_test_002146.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#define mid ((l+r)>>1)\n\n#define read(n) scanf(\"%lld\",&n)\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int MAXN = 1e5 + 5;\n\nll a[MAXN] , binary[MAXN];\n\nll pre[MAXN];\n\nll b[MAXN];\n\nll ans;\n\nll n;\n\nvoid merge(ll *p,int l,int r)\n\n{\n\n\tif(l == r)\treturn ;\n\n\tmerge(p,l,mid);\n\n\tmerge(p,mid+1,r);\n\n\tint tot = l;\n\n\tint pos1 = l , pos2 = mid + 1;\n\n\twhile(pos1 <= mid && pos2 <= r)\n\n\t{\n\n\t\tif(p[pos1] > p[pos2])\n\n\t\t{\n\n\t\t\tb[tot++] = p[pos2++];\n\n\t\t\tans += mid - pos1 + 1;\n\n\t\t}\t\n\n\t\telse\n\n\t\t\tb[tot++] = p[pos1++];\n\n\t}\n\n\twhile(pos1 <= mid)\tb[tot++] = p[pos1++];\n\n\twhile(pos2 <= r)\tb[tot++] = p[pos2++];\n\n\tfor(int i = l ; i <= r ; i++)\n\n\t\tp[i] = b[i];\n\n}\n\nbool check(ll x)\n\n{\n\n\tans = 0;\n\n\tpre[0] = 0;\n\n\tfor(int i = 1 ; i <= n ; i++)\n\n\t\tpre[i] = pre[i-1] + (x >= a[i] ? -1 : 1) , ans += pre[i] < 0 ? 1 : 0;\n\n\tmerge(pre,1,n);\n\n\treturn ans <= (long long)(n * (n + 1) / 4);\n\n}\n\nint main()\n\n{\n\n\tread(n);\n\n\tfor(int i = 1 ; i <= n ; i++)\n\n\t\tread(a[i]) , binary[i] = a[i];\n\n\tmerge(binary,1,n);\n\n\tans = 0;\n\n\tint l = 1 , r = n;\n\n\twhile(l + 1 < r)\n\n\t{\n\n\t\tif(check(binary[mid]))\n\n\t\t\tl = mid;\n\n\t\telse\n\n\t\t\tr = mid;\n\n\t}\n\n\tprintf(\"%d\\n\",binary[r]); \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002146"}85{"label": "pie_cpp_test_002147", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 63, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 63, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002147.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002147", "task_path": "tasks/test/pie_cpp_test_002147.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> //Ithea Myse Valgulious\n\nnamespace chtholly{\n\ntypedef long long ll;\n\n#define re0 register int\n\n#define rel register ll\n\n#define rec register char\n\n#define gc getchar\n\n#define pc putchar\n\n#define p32 pc(' ')\n\n#define pl puts(\"\")\n\n/*By Citrus*/\n\ninline int read(){\n\n int x=0,f=1;char c=gc();\n\n for (;!isdigit(c);c=gc()) f^=c=='-';\n\n for (;isdigit(c);c=gc()) x=(x<<3)+(x<<1)+(c^'0');\n\n return f?x:-x;\n\n }\n\ntemplate <typename mitsuha>\n\ninline bool read(mitsuha &x){\n\n x=0;int f=1;char c=gc();\n\n for (;!isdigit(c)&&~c;c=gc()) f^=c=='-';\n\n if (!~c) return 0;\n\n for (;isdigit(c);c=gc()) x=(x<<3)+(x<<1)+(c^'0');\n\n return x=f?x:-x,1;\n\n }\n\ntemplate <typename mitsuha>\n\ninline int write(mitsuha x){\n\n if (!x) return 0&pc(48);\n\n if (x<0) pc('-'),x=-x;\n\n int bit[20],i,p=0;\n\n for (;x;x/=10) bit[++p]=x%10;\n\n for (i=p;i;--i) pc(bit[i]+48);\n\n return 0;\n\n }\n\ninline char fuhao(){\n\n char c=gc();\n\n for (;isspace(c);c=gc());\n\n return c;\n\n }\n\n}using namespace chtholly;\n\nusing namespace std;\n\nconst int yuzu=1e5;\n\ntypedef int fuko[yuzu<<1|10];\n\nstruct _bit{\n\nfuko c;\n\nvoid init(){memset(c,0,sizeof c);}\n\nvoid add(int x){for (;x<=yuzu<<1;x+=x&-x) c[x]++;}\n\nint query(int x){\n\n int llx=0;\n\n for (;x;x&=x-1) llx+=c[x]; \n\n return llx;\n\n }\n\n}my_;\n\nfuko b,a;\n\nbool judge(int x,int n,int i=1){\n\nmy_.init();\n\nfor (;i<=n;++i) b[i]=b[i-1]+(a[i]>=x?1:-1);\n\nll llx=0;\n\nfor (i=0;i<=n;++i) llx+=my_.query(b[i]+yuzu),my_.add(b[i]+yuzu);\n\nreturn llx>=1ll*n*(n+1)/4;\n\n}\n\nint main(){\n\nint i,n=read(),l=0,r=0;\n\nfor (i=1;i<=n;++i) r=max(a[i]=read(),r);\n\nfor (;l<=r;){\n\n int mid=l+r>>1;\n\n judge(mid,n)?l=mid+1:r=mid-1;\n\n }\n\nwrite(l-1);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002147"}86{"label": "pie_cpp_test_002148", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 192, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 192, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002148.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002148", "task_path": "tasks/test/pie_cpp_test_002148.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <cstring>\n\nusing namespace std;\n\nconst int maxn=1e6+10;\n\nint a[maxn],b[maxn];\n\nstruct node{\n\n\tint val,loc;\n\n}sub[maxn];\n\nlong long tre[maxn],n;\n\nint cmp(const node &a,const node &b){\n\n\tif(a.val==b.val) return a.loc<b.loc;\n\n\telse return a.val<b.val;\n\n}\n\ninline int lowbit(int x){\n\n\treturn x&(-x);\n\n}\n\nvoid add(int pos,int val){\n\n\twhile(pos<=n){\n\n\t\ttre[pos]+=val;\n\n\t\tpos+=lowbit(pos);\n\n\t}\n\n\treturn;\n\n}\n\nlong long query(int pos){\n\n\tlong long sum=0;\n\n\twhile(pos>0){\n\n\t\tsum+=tre[pos];\n\n\t\tpos-=lowbit(pos);\n\n\t}\n\n\treturn sum;\n\n}\n\nlong long check(int val){\n\n\tmemset(tre,0,sizeof(tre));\n\n\tlong long ans=0;\n\n\tfor(int i=1;i<=n;i++){\n\n\t\tif(a[i]<val) sub[i].val=-1;\n\n\t\telse sub[i].val=1;\n\n\t\tsub[i].val+=sub[i-1].val;\n\n\t\tsub[i].loc=i;\n\n\t}\n\n\tsort(sub+1,sub+n+1,cmp);\n\n\tfor(int i=1;i<=n;i++){\n\n\t\tadd(sub[i].loc,1);\n\n\t\tans+=query(sub[i].loc-1);\n\n\t\tif(sub[i].val>=0) ans++;\n\n\t}\n\n\treturn ans;\n\n}\n\nint erf(int l,int r){\n\n\tint mid;\n\n\tlong long _std=(n+1)*n/4+(((n+1)*n/2)&1);\n\n\twhile(l<r){\n\n\t\tmid=(l+r+1)>>1;\n\n\t\tif(check(b[mid])>=_std) l=mid;\n\n\t\telse r=mid-1;\n\n\t}\n\n\treturn l;\n\n}\n\nint main(){\n\n\tcin>>n;\n\n\tfor(int i=1;i<=n;i++) {\n\n\t\tscanf(\"%d\",&a[i]);b[i]=a[i];\n\n\t}\n\n\t\n\n\tsort(b+1,b+n+1);\n\n\tcout<<b[erf(1,n)];\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002148"}87{"label": "pie_cpp_test_002149", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 109, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 109, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002149.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002149", "task_path": "tasks/test/pie_cpp_test_002149.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstring>\n\n#define ll long long \n\nusing namespace std;\n\nconst ll INF = 1e18+10;\n\nconst int N = 1e5+10;\n\nll n, a[N];\n\nll l, r, mid, ans, sum[N], tmp[N];\n\nll lim;\n\n \n\n \n\nvoid chkMin(ll &x, ll y){if (x > y) x = y;}\n\nvoid chkMax(ll &x, ll y){if (x < y) x = y;}\n\n \n\nll Msort(ll le, ll ri)//\u8ba1\u7b97\u4e2d\u4f4d\u6570\u5927\u4e8e\u7b49\u4e8emid\u7684[l, r]\u5bf9\u6570\uff0c\u5177\u4f53\u8fc7\u7a0b\u7c7b\u4f3c\u9006\u5e8f\u5bf9\n\n{\n\n if (le == ri)\n\n return 0;\n\n ll mid = (le+ri)>>1;\n\n ll ret = 0;\n\n ret += Msort(le, mid);\n\n ret += Msort(mid+1, ri);\n\n ll i = le, j = mid+1, k = le;\n\n while (i <= mid && j <= ri){\n\n if (sum[i] <= sum[j]){\n\n tmp[k++] = sum[i++];\n\n ret += ri-j+1;\n\n }\n\n else\n\n tmp[k++] = sum[j++];\n\n }\n\n while (i <= mid)\n\n tmp[k++] = sum[i++];\n\n while (j <= ri)\n\n tmp[k++] = sum[j++];\n\n for (ll o = le; o <= ri; o++)\n\n sum[o] = tmp[o];\n\n return ret;\n\n}\n\n \n\nbool Check(ll mid)\n\n{\n\n sum[0] = 0;\n\n for (ll i = 1; i <= n; i++){\n\n sum[i] = sum[i-1];\n\n if (a[i] >= mid) sum[i]++;\n\n else sum[i]--;\n\n }\n\n if (Msort(0, n) >= lim) return true;\n\n return false;\n\n}\n\n \n\nint main()\n\n{\n\n cin >> n;\n\n lim = (n*(n-1)/2+n+1)/2;//\u4e2d\u4f4d\u6570\u5927\u4e8e\u7b49\u4e8emedian of medians\u7684\u533a\u95f4\u4e2a\u6570\u4e0b\u754c\n\n l = INF; r = -INF;\n\n for (ll i = 1; i <= n; i++){\n\n cin >> a[i];\n\n chkMin(l, a[i]);\n\n chkMax(r, a[i]);\n\n }\n\n while (l <= r){\n\n mid = (l+r)>>1;\n\n if (Check(mid))\n\n ans = mid, l = mid+1;\n\n else\n\n r = mid-1;\n\n }\n\n cout << ans;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002149"}88{"label": "pie_cpp_test_002150", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 66, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 66, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002150.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002150", "task_path": "tasks/test/pie_cpp_test_002150.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define int long long\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\nint n;\n\n\n\nstruct BIT\n\n{\n\n\tll c[(int)1e6+8];\n\n\tint lowbit(int x){return x&-x;}\n\n\tvoid add(int x,int val)\n\n\t{\n\n\t\tfor(;x<=(int)1e6+5;x+=lowbit(x))\n\n\t\t{\n\n\t\t\tc[x]+=val;\n\n\t\t}\n\n\t}\n\n\tint query(int x)\n\n\t{\n\n\t\tint ret=0;\n\n\t\tfor(;x>0;x-=lowbit(x))\n\n\t\t{\n\n\t\t\tret+=c[x];\n\n\t\t}\n\n\t\treturn ret;\n\n\t}\n\n\tvoid clear()\n\n\t{\n\n\t\tmemset(c,0,sizeof(c));\n\n\t}\n\n}T;\n\n\n\nint a[(int)1e5+5];\n\nint s[(int)1e5+5];\n\nsigned main()\n\n{\n\n\tios::sync_with_stdio(0);\n\n\t\n\n\tcin>>n;\n\n\tint ans=(n+1)*n/4+1;\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tcin>>a[i];\n\n\t}\n\n\t\n\n\tint l=0,r=1e9+1;\n\n\twhile(l<r)\n\n\t{\n\n\t\tint m=l+r>>1;\n\n\t\tfor(int i=1;i<=n;i++)\n\n\t\t{\n\n\t\t\tif(a[i]>m)s[i]=-1;else s[i]=1;\n\n\t\t}\n\n\t\ts[0]=0;\n\n\t\tfor(int i=1;i<=n;i++)s[i]=s[i-1]+s[i];\n\n\t\tfor(int i=0;i<=n;i++)s[i]+=1e5+5;\n\n\t\tT.clear();\n\n\t\tT.add(1e5+5,1);\n\n\t\tint cnt=0;\n\n\t\tfor(int i=1;i<=n;i++)\n\n\t\t{\n\n\t\t\tcnt+=T.query(s[i]-1);\n\n\t\t\tT.add(s[i],1);\n\n\t\t}\n\n\t\tif(cnt>=ans)r=m;else l=m+1;\n\n\t}\n\n\tcout<<l;\n\n\treturn 0;\n\n}\n\n\n\n//http://www.cnblogs.com/chy-2003/p/9751361.html\n```", "split": "test", "task_id": "pie_cpp_test_002150"}89{"label": "pie_cpp_test_002151", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002151.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002151", "task_path": "tasks/test/pie_cpp_test_002151.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n//#pragma GCC optimize(2)\n\n//#ifdef ONLINE_JUDGE\n\n#define filename(_ST_); \\\n\n\t\tfreopen(_ST_\".in\",\"r\",stdin); \\\n\n\t\tfreopen(_ST_\".out\",\"w\",stdout);\n\n//#else\n\n//#define filename(_ST_);\n\n//#endif\n\nchar outp[64];\n\ntemplate<typename T>\n\ninline void read(T &x){\n\n\tchar ch=0; x=0;\n\n\tbool sign=false;\n\n\twhile(ch<'0'||'9'<ch) sign|=ch=='-',ch=getchar();\n\n\twhile('0'<=ch&&ch<='9') x=(x<<3)+(x<<1)+(ch^48),ch=getchar();\n\n\tx=sign?-x:x;\n\n}\n\ntemplate<typename T>\n\ninline void print(T x){\n\n\tif(!x){ putchar('0'); return; }\n\n\tif(x<0) putchar('-'),x=-x;\n\n\tint tot=0;\n\n\twhile(x) outp[tot++]=x%10+'0',x/=10;\n\n\twhile(tot) putchar(outp[--tot]);\n\n}\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> pll;\n\ntypedef pair<int,int> pii;\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define mp make_pair\n\n#define rt register int\n\n#define For1(f,e,item) for(rt item=f;item!=e;++item)\n\n#define Rep1(f,e,item) for(rt item=f;item!=e;--item)\n\n#define For2(f,e,item) for(rt item=f;item<e;++item)\n\n#define Rep2(f,e,item) for(rt item=f;item>e;--item)\n\n#define For3(f,e,item) for(rt item=f;item<=e;++item)\n\n#define Rep3(f,e,item) for(rt item=f;item>=e;--item)\n\n#define lowbit(x) x&-x\n\nll tree[(int) 2e5+1024],n;\n\nint maxr;\n\ninline void add(int x,ll k){\n\n\twhile(x<=maxr){\n\n\t\ttree[x]=tree[x]+k;\n\n\t\tx+=lowbit(x);\n\n\t}\n\n}\n\ninline ll query(int x){\n\n\tll ret=0;\n\n\twhile(x!=0){\n\n\t\tret=ret+tree[x];\n\n\t\tx-=lowbit(x);\n\n\t}\n\n\treturn ret;\n\n}\n\nint main(){\n\n\tread(n); maxr=(n<<1)+32;\n\n\tvector<int> numb(n+1),cnt(n+1);\n\n\tFor3(1,n,i){\n\n\t\tread(numb[i]);\n\n\t}\n\n\tvector<int>\tcpy=numb;\n\n\tsort(cpy.begin(),cpy.end());\n\n\tcpy.erase(unique(cpy.begin(),cpy.end()),cpy.end());\n\n\tint lef=1,rit=cpy.size(),ans=0;\n\n\twhile(lef<rit){\n\n\t\tint mid=(lef+rit)>>1;\n\n\t\tint use=cpy[mid];\n\n\t\tFor3(1,n,i){\n\n\t\t\tcnt[i]=cnt[i-1]+(use<=numb[i]?1:-1);\n\n\t\t}\n\n\t\tlong long tot=0;\n\n\t\tmemset(tree,0,sizeof(tree));\n\n\t\tFor3(1,n,i){\n\n\t\t\tadd(cnt[i-1]+n+1,1);\n\n\t\t\ttot+=query(cnt[i]+n+1);\n\n\t\t}\n\n\t\tif(tot>=((n*(n+1)>>1)+1)>>1) lef=mid+1,ans=use;\n\n\t\telse rit=mid;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002151"}90{"label": "pie_cpp_test_002152", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 357, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 357, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002152.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002152", "task_path": "tasks/test/pie_cpp_test_002152.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define lson root<<1\n\n#define rson root<<1|1\n\nusing namespace std;\n\n\n\nint n;\n\nint a[200010];\n\nint sum[200010];\n\n\n\nstruct node\n\n{\n\n\tint l, r, sum;\n\n}tr[1600080];\n\n\n\nint push_up(int root)\n\n{\n\n\ttr[root].sum = tr[lson].sum + tr[rson].sum;\n\n}\n\n\n\nint build(int root, int l, int r)\n\n{\n\n\tif (l == r)\n\n\t{\n\n\t\ttr[root].sum = 0;\n\n\t\ttr[root].l = l;\n\n\t\ttr[root].r = r;\n\n\t\treturn 0;\n\n\t}\n\n\ttr[root].l = l;\n\n\ttr[root].r = r;\n\n\tint mid = (l + r) >> 1;\n\n\tbuild(lson, l, mid);\n\n\tbuild(rson, mid + 1, r);\n\n\tpush_up(root);\n\n}\n\n\n\nint update(int root, int pos)\n\n{\n\n\tif (pos == tr[root].l&&pos == tr[root].r)\n\n\t{\n\n\t\ttr[root].sum++;\n\n\t\treturn 0;\n\n\t}\n\n\tint mid = (tr[root].l + tr[root].r) >> 1;\n\n\tif (pos <= mid)\n\n\t{\n\n\t\tupdate(lson, pos);\n\n\t}\n\n\telse\n\n\t{\n\n\t\tupdate(rson, pos);\n\n\t}\n\n\tpush_up(root);\n\n}\n\n\n\nint query(int root, int l, int r)\n\n{\n\n\tif (l > r) return 0;\n\n\tif (l <= tr[root].l&&tr[root].r <= r) return tr[root].sum;\n\n\tint mid = (tr[root].l + tr[root].r) >> 1;\n\n\tif (r <= mid)\n\n\t{\n\n\t\treturn query(lson, l, r);\n\n\t}\n\n\telse\n\n\t{\n\n\t\tif (l > mid)\n\n\t\t{\n\n\t\t\treturn query(rson, l, r);\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\treturn query(lson, l, mid) + query(rson, mid + 1, r);\n\n\t\t}\n\n\t}\n\n}\n\n\n\nint check(int x)\n\n{\n\n\tlong long ans = 0;\n\n\tmemset(sum, 0, sizeof(sum));\n\n\tfor (int i = 1; i <= n; i++)\n\n\t{\n\n\t\tsum[i] = sum[i - 1] + ((a[i] <= x) ? 1 : -1);\n\n\t}\n\n\tfor (int i = 0; i <= n; i++)\n\n\t{\n\n\t\tsum[i] += n + 1;\n\n\t}\n\n\tbuild(1, 1, 200010);\n\n\tfor (int i = 0; i <= n; i++)\n\n\t{\n\n\t\tans += query(1, 1, sum[i] - 1);\n\n\t\tupdate(1, sum[i]);\n\n\t}\n\n\treturn ans >= 1ll * n*(n + 1) / 4 + 1;\n\n}\n\n\n\nint main()\n\n{\n\n\tscanf(\"%d\", &n);\n\n\tfor (int i = 1; i <= n; i++)\n\n\t{\n\n\t\tscanf(\"%d\", &a[i]);\n\n\t}\n\n\tint l = 1, r = 1e9, mid;\n\n\twhile (l <= r)\n\n\t{\n\n\t\tmid = (l + r) >> 1;\n\n\t\tif (check(mid))\n\n\t\t{\n\n\t\t\tr = mid;\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tl = mid + 1;\n\n\t\t}\n\n\t\tif (r - l <= 1)\n\n\t\t{\n\n\t\t\tmid = check(l) ? l : r;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tprintf(\"%d\\n\", mid);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002152"}91{"label": "pie_cpp_test_002153", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 85, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 85, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002153.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002153", "task_path": "tasks/test/pie_cpp_test_002153.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\nusing namespace std;\n\n#define maxn 100005\n\ninline int max(int a,int b)\n\n{\n\n\tif(a>b)\treturn a;\n\n\treturn b;\n\n}\n\nlong long l,r,n,a[maxn],c[maxn<<1+5],pre[maxn];\n\ninline int lowbit(int x)\n\n{\n\n\treturn x&(-x);\n\n}\n\ninline void modify(int place,long long val)\n\n{\n\n\tfor(int i=place;i<=(maxn<<1+5);i+=lowbit(i))\n\n\t\tc[i]+=val;\n\n}\n\ninline long long query(long long place)\n\n{\n\n\tlong long ans=0;\n\n\tfor(int i=place;i;i-=lowbit(i))\n\n\t\tans+=c[i];\n\n\treturn ans;\n\n}\n\nbool check(int x)\n\n{\n\n\tmemset(c,0,sizeof(c));\n\n\tpre[0]=0;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tpre[i]=pre[i-1]+(a[i]>=x?1:-1);\n\n\tlong long ans=0;\n\n\tfor(int i=0;i<=n;++i)\n\n\t{\n\n\t\tans+=query(pre[i]+maxn);\n\n\t\tmodify(pre[i]+maxn,1ll);\n\n\t}\n\n\treturn ans>=n*(n+1)/4;\n\n}\n\nint main()\n\n{\n\n\tscanf(\"%d\",&n);\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tscanf(\"%d\",&a[i]),r=max(r,a[i]);\n\n\tint mid;\n\n\twhile(l<=r)\n\n\t{\n\n\t\tmid=(l+r)>>1;\n\n\t\tif(check(mid))\tl=mid+1;\n\n\t\telse r=mid-1;\n\n\t}\n\n\tprintf(\"%d\\n\",r);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002153"}92{"label": "pie_cpp_test_002154", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 93, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 93, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002154.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002154", "task_path": "tasks/test/pie_cpp_test_002154.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#define rep(i,n) for (int i = 0; i < n; i++)\n\n#define _USE_MATH_DEFINES\n\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <cstring>\n\n#include <queue>\n\n#include <functional>\n\n#include <set>\n\n#include <map>\n\n#include <string>\n\n#include <cmath>\n\n#include <math.h>\n\n#include <complex>\n\n#include <cassert>\n\nusing namespace std;\n\ntypedef long long int ll;\n\ntypedef pair<ll, ll> p;\n\ntypedef complex<double> com;\n\nconst int mod = 1e9 + 7;\n\nconst int MOD = 998244353;\n\nconst ll INF = 1e18;\n\n\n\nll merge_cnt(vector<int> &a) {\n\n\tint n = a.size();\n\n\tif (n <= 1) { return 0; }\n\n\n\n\tll cnt = 0;\n\n\tvector<int> b(a.begin(), a.begin() + n / 2);\n\n\tvector<int> c(a.begin() + n / 2, a.end());\n\n\n\n\tcnt += merge_cnt(b);\n\n\tcnt += merge_cnt(c);\n\n\n\n\tint ai = 0, bi = 0, ci = 0;\n\n\twhile (ai < n) {\n\n\t\tif (bi < b.size() && (ci == c.size() || b[bi] <= c[ci])) {\n\n\t\t\ta[ai++] = b[bi++];\n\n\t\t}\n\n\t\telse {\n\n\t\t\tcnt += n / 2 - bi;\n\n\t\t\ta[ai++] = c[ci++];\n\n\t\t}\n\n\t}\n\n\treturn cnt;\n\n}\n\n\n\nint n; vector<int> a;\n\n\n\nll cnt2(int x) {\n\n\tvector<int> b(n + 1, 0);\n\n\trep(i, n) b[i + 1] = b[i] + (a[i] >= x ? 1 : -1);\n\n\treturn merge_cnt(b);\n\n}\n\n\n\nint main() {\n\n\tcin >> n;\n\n\ta.resize(n);\n\n\trep(i, n) cin >> a[i];\n\n\tint l = 1, r = 1e9+1;\n\n\tll over = (ll)(n) * (ll)(n + 1) / 2 / 2 + 1;\n\n\twhile (abs(l - r) > 1) {\n\n\t\tint mid = (l + r) / 2;\n\n\t\tif (cnt2(mid) >= over) r = mid;\n\n\t\telse l = mid;\n\n\t}\n\n\tcout << l << endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002154"}93{"label": "pie_cpp_test_002155", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 586, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 586, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002155.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002155", "task_path": "tasks/test/pie_cpp_test_002155.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#pragma region\n\n// Author: Wenxing Mei\n\n// Date: 2018-08-25 21:02\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n// #include <ext/pb_ds/assoc_container.hpp>\n\n// #include <ext/pb_ds/trie_policy.hpp>\n\n// using namespace __gnu_pbds;\n\n#define rep(i, l, r) for (int i = (l); i < (r); ++i)\n\n#define per(i, r, l) for (int i = (r); i >= (l); --i)\n\n#define repv(ele, vec) for (auto &ele : vec)\n\n#define zero(mem) memset(mem, 0, sizeof(mem))\n\n#define sd(_) scanf(\"%d\", &_)\n\n#define sdd(_, __) scanf(\"%d%d\", &_, &__)\n\n#define sddd(_, __, ___) scanf(\"%d%d%d\", &_, &__, &___)\n\n#define sdddd(_, __, ___, ____) scanf(\"%d%d%d%d\", &_, &__, &___, &____)\n\n#define sf(_) scanf(\"%lf\", &_)\n\n#define sff(_, __) scanf(\"%lf%lf\", &_, &__)\n\n#define sfff(_, __, ___) scanf(\"%lf%lf%lf\", &_, &__, &___)\n\n#define sffff(_, __, ___, ____) scanf(\"%lf%lf%lf%lf\", &_, &__, &___, &____)\n\n#define sl(_) scanf(\"%lld\", &_)\n\n#define sll(_, __) scanf(\"%lld%lld\", &_, &__)\n\n#define slll(_, __, ___) scanf(\"%lld%lld%lld\", &_, &__, &___)\n\n#define sllll(_, __, ___, ____) scanf(\"%lld%lld%lld%lld\", &_, &__, &___, &____)\n\n#define sc(_) scanf(\"%c\", &_)\n\n#define ss(_) scanf(\"%s\", _)\n\n#define sz(x) (int)(x).size()\n\n#define mid(a, b) (((a) + (b)) >> 1)\n\n#define lfg(x) x << 1\n\n#define rht(x) x << 1 | 1\n\n#define inf 0x3f3f3f3f\n\n#define all(container) container.begin(), container.end()\n\n//#define MOD 19260817\n\n#define mp make_pair\n\n#define mt make_tuple\n\n#define pb push_back\n\n#define fi first\n\n#define se second\n\n#define get0 get<0>\n\n#define get1 get<1>\n\n#define get2 get<2>\n\n#define get3 get<3>\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<int, int> ii;\n\ntypedef tuple<int, int, int> iii;\n\ntypedef vector<int> vi;\n\ntypedef vector<ll> vll;\n\ntypedef vector<ii> vii;\n\ntypedef vector<iii> viii;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<vii> vvii;\n\n#pragma endregion\n\n\n\n// Read the question correctly\n\n// What are the exact constraints?\n\n// Look out for SPECIAL CASES (n=1? n=1000000000?) and overflow (ull vs int?)\n\n\n\nint a[100001], b[100001];\n\nll n;\n\n\n\nvi count_inversion(vi arr, ll &cnt) {\n\n if (arr.size() == 1) {\n\n cnt = 0;\n\n return arr;\n\n }\n\n\n\n ll a, b;\n\n\n\n vi left = count_inversion(vi(arr.begin(), arr.begin() + arr.size() / 2), a);\n\n vi right = count_inversion(vi(arr.begin() + arr.size() / 2, arr.end()), b);\n\n\n\n vi merged;\n\n size_t i = 0, j = 0;\n\n cnt = a + b;\n\n while (i < left.size() || j < right.size()) {\n\n if (i == left.size()) {\n\n merged.pb(right[j++]);\n\n } else if (j == right.size()) {\n\n merged.pb(left[i++]);\n\n } else {\n\n if (left[i] <= right[j]) {\n\n merged.pb(left[i++]);\n\n } else {\n\n merged.pb(right[j++]);\n\n cnt += left.size() - i;\n\n }\n\n }\n\n }\n\n return merged;\n\n}\n\n\n\nll count(int x) {\n\n vi prefix(n + 1);\n\n prefix[0] = 0;\n\n rep(i, 1, n + 1) {\n\n prefix[i] = x <= a[i - 1] ? 1 : -1;\n\n prefix[i] += prefix[i - 1];\n\n }\n\n\n\n ll ans;\n\n count_inversion(prefix, ans);\n\n return n * (n + 1) / 2 - ans;\n\n}\n\n\n\nint main() {\n\n#ifdef LOCAL\n\n freopen(\"in\", \"r\", stdin);\n\n#endif\n\n sl(n);\n\n\n\n ll halfCnt = n * (n + 1) / 4;\n\n\n\n int maxa = 1;\n\n rep(i, 0, n) {\n\n sd(a[i]);\n\n maxa = max(maxa, a[i]);\n\n b[i] = a[i];\n\n }\n\n\n\n sort(b, b + n);\n\n // int l = 0, r = n - 1;\n\n int l = 1, r = maxa;\n\n int res = -1;\n\n while (l <= r) {\n\n int mid = (l + r) >> 1;\n\n ll cnt = count(mid);\n\n\n\n if (cnt >= halfCnt) {\n\n res = mid;\n\n l = mid + 1;\n\n } else {\n\n r = mid - 1;\n\n }\n\n }\n\n\n\n int idx = lower_bound(b, b + n, res) - b;\n\n if (b[idx] != res) { res = b[idx] - 1; }\n\n printf(\"%d\\n\", res);\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002155"}94{"label": "pie_cpp_test_002156", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 124, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 124, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002156.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002156", "task_path": "tasks/test/pie_cpp_test_002156.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n// #include <ext/pb_ds/assoc_container.hpp>\n\n// #include <ext/pb_ds/trie_policy.hpp>\n\n// using namespace __gnu_pbds;\n\n#define rep(i, l, r) for (int i = (l); i < (r); ++i)\n\n#define per(i, r, l) for (int i = (r); i >= (l); --i)\n\n#define repv(ele, vec) for (auto &ele : vec)\n\n#define zero(mem) memset(mem, 0, sizeof(mem))\n\n#define sd(_) scanf(\"%d\", &_)\n\n#define sdd(_, __) scanf(\"%d%d\", &_, &__)\n\n#define sddd(_, __, ___) scanf(\"%d%d%d\", &_, &__, &___)\n\n#define sdddd(_, __, ___, ____) scanf(\"%d%d%d%d\", &_, &__, &___, &____)\n\n#define sf(_) scanf(\"%lf\", &_)\n\n#define sff(_, __) scanf(\"%lf%lf\", &_, &__)\n\n#define sfff(_, __, ___) scanf(\"%lf%lf%lf\", &_, &__, &___)\n\n#define sffff(_, __, ___, ____) scanf(\"%lf%lf%lf%lf\", &_, &__, &___, &____)\n\n#define sl(_) scanf(\"%lld\", &_)\n\n#define sll(_, __) scanf(\"%lld%lld\", &_, &__)\n\n#define slll(_, __, ___) scanf(\"%lld%lld%lld\", &_, &__, &___)\n\n#define sllll(_, __, ___, ____) scanf(\"%lld%lld%lld%lld\", &_, &__, &___, &____)\n\n#define sc(_) scanf(\"%c\", &_)\n\n#define ss(_) scanf(\"%s\", _)\n\n#define sz(x) (int)(x).size()\n\n#define mid(a, b) (((a) + (b)) >> 1)\n\n#define lfg(x) x << 1\n\n#define rht(x) x << 1 | 1\n\n#define inf 0x3f3f3f3f\n\n#define all(container) container.begin(), container.end()\n\n//#define MOD 19260817\n\n#define mp make_pair\n\n#define mt make_tuple\n\n#define pb push_back\n\n#define fi first\n\n#define se second\n\n#define get0 get<0>\n\n#define get1 get<1>\n\n#define get2 get<2>\n\n#define get3 get<3>\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<int, int> ii;\n\ntypedef tuple<int, int, int> iii;\n\ntypedef vector<int> vi;\n\ntypedef vector<ll> vll;\n\ntypedef vector<ii> vii;\n\ntypedef vector<iii> viii;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<vii> vvii;\n\n#pragma endregion\n\n \n\n// Read the question correctly\n\n// What are the exact constraints?\n\n// Look out for SPECIAL CASES (n=1? n=1000000000?) and overflow (ull vs int?)\n\n \n\nint a[100001], b[100001];\n\nll n;\n\n \n\nvi count_inversion(vi arr, ll &cnt) {\n\n if (arr.size() == 1) {\n\n cnt = 0;\n\n return arr;\n\n }\n\n \n\n ll a, b;\n\n \n\n vi left = count_inversion(vi(arr.begin(), arr.begin() + arr.size() / 2), a);\n\n vi right = count_inversion(vi(arr.begin() + arr.size() / 2, arr.end()), b);\n\n \n\n vi merged;\n\n size_t i = 0, j = 0;\n\n cnt = a + b;\n\n while (i < left.size() || j < right.size()) {\n\n if (i == left.size()) {\n\n merged.pb(right[j++]);\n\n } else if (j == right.size()) {\n\n merged.pb(left[i++]);\n\n } else {\n\n if (left[i] <= right[j]) {\n\n merged.pb(left[i++]);\n\n } else {\n\n merged.pb(right[j++]);\n\n cnt += left.size() - i;\n\n }\n\n }\n\n }\n\n return merged;\n\n}\n\n \n\nll count(int x) {\n\n vi prefix(n + 1);\n\n prefix[0] = 0;\n\n rep(i, 1, n + 1) {\n\n prefix[i] = x <= a[i - 1] ? 1 : -1;\n\n prefix[i] += prefix[i - 1];\n\n }\n\n \n\n ll ans;\n\n count_inversion(prefix, ans);\n\n return n * (n + 1) / 2 - ans;\n\n}\n\n \n\nint main() {\n\n#ifdef LOCAL\n\n freopen(\"in\", \"r\", stdin);\n\n#endif\n\n sl(n);\n\n \n\n ll halfCnt = n * (n + 1) / 4;\n\n \n\n rep(i, 0, n) {\n\n sd(a[i]);\n\n b[i] = a[i];\n\n }\n\n \n\n sort(b, b + n);\n\n int l = 0, r = unique(b, b + n) - b - 1;\n\n int res = -1;\n\n while (l <= r) {\n\n int mid = (l + r) >> 1;\n\n ll cnt = count(b[mid]);\n\n \n\n if (cnt >= halfCnt) {\n\n res = b[mid];\n\n l = mid + 1;\n\n } else {\n\n r = mid - 1;\n\n }\n\n }\n\n \n\n printf(\"%d\\n\", res);\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002156"}95{"label": "pie_cpp_test_002157", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 703, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 703, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002157.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002157", "task_path": "tasks/test/pie_cpp_test_002157.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <ext/pb_ds/assoc_container.hpp>\n\n#include <ext/pb_ds/tree_policy.hpp>\n\n#define PI \t\t\t\tacos(-1)\n\n#define mp\t\t\t\tmake_pair\n\n#define pb\t\t\t\tpush_back\n\n#define all(a)\t\t\t(a).begin(), (a).end()\n\n#define sz(a)\t\t\ta.size()\n\n#define srt(a)\t\t\tsort(all(a))\n\n#define mem(a, h)\t\tmemset(a, (h), sizeof(a))\n\n#define f \t\t\t\tfirst\n\n#define s \t\t\t\tsecond\n\n#define MOD1\t\t\t998244353\n\n#define fore(i, b, e)\tfor(int i = b; i < e; i++)\n\n#define forg(i, b, e, m)\tfor(int i = b; i < e; i+=m)\n\nint in(){int r=0,c;for(c=getchar();c<=32;c=getchar());if(c=='-') return -in();for(;c>32;r=(r<<1)+(r<<3)+c-'0',c=getchar());return r;}\n\n\n\nusing namespace std;\n\nusing namespace __gnu_pbds;\n\n\n\ntypedef long long \t\tll;\n\ntypedef unsigned long long \t\tull;\n\ntypedef pair<int, int> ii;\n\ntypedef vector<int> vi;\n\ntypedef vector<ii> vii;\n\ntypedef vector<ll> vll;\n\ntypedef tree<pair<int,int>,null_type,less<pair<int,int>>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;\n\nconst int tam = 100010;\n\nconst int MOD = 1e9+7;\n\nconst double EPS = 1e-9;\n\n\n\nint main()\n\n{\n\n\t//ios::sync_with_stdio(0); cin.tie(0);\n\n\t//freopen(\"qwe.txt\", \"r\", stdin);\n\n\t//freopen(\"asd.txt\", \"w\", stdout);\n\n\tint n;\n\n\tll x;\n\n\tcin>>n;\n\n\tx = (ll)n * (n + 1) / 2;\n\n\tint ar[n];\n\n\tset<int> st;\n\n\tfore(i, 0, n)\n\n\t{\n\n\t\tcin>>ar[i];\n\n\t\tst.insert(ar[i]);\n\n\t}\n\n\tint mar[st.size()];\n\n\tint siz = st.size();\n\n\tint con = 0;\n\n\tfor(set<int>::iterator it = st.begin(); it != st.end(); it++)\n\n\t\tmar[con] = *it, con++;\n\n\tint lo = 0, hi = siz -1;\n\n\tint mid, res = -1;\n\n\twhile(lo <= hi)\n\n\t{\n\n\t\tmid = (lo + hi) / 2;\n\n\t\t//cout<<\" \"<<lo<<' '<<hi<<'\\n';\n\n\t\tordered_set st;\n\n\t\tmap<int,int> ma;\n\n\t\tst.insert(mp(0, 0));\n\n\t\tma[0]++;\n\n\t\tint su = 0;\n\n\t\tll sum = 0;\n\n\t\tfore(i, 0, n)\n\n\t\t{\n\n\t\t\tsu += ar[i] >= mar[mid]? 1: -1;\n\n\t\t\tsum += st.order_of_key(mp(su, ma[su]));\n\n\t\t\t//cout<<su<<','<<sum<<' '<<'\\n';\n\n\t\t\tst.insert(mp(su, ma[su]));\n\n\t\t\tma[su]++;\n\n\t\t}\n\n\t\t//cout<<mid<<' '<<mar[mid]<<' '<<x<<' '<<sum<<'\\n';\n\n\t\tif(sum >= x / 2 + (x&1))\n\n\t\t\tres = mid, lo = mid +1;\n\n\t\telse\n\n\t\t\thi = mid -1;\n\n\t\t//cout<<res<<'\\n';\n\n\t}\n\n\t//cout<<res<<'\\n';\n\n\tcout<<mar[res];\n\n\treturn 0;\n\n}\n\n\n\n// read the question correctly (is y a vowel? what are the exact constraints?)\n\n// look out for SPECIAL CASES (n=1?) and overflow (ll vs int?) ARRAY OUT OF BOUNDSS2\n```", "split": "test", "task_id": "pie_cpp_test_002157"}96{"label": "pie_cpp_test_002158", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 949, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 949, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002158.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002158", "task_path": "tasks/test/pie_cpp_test_002158.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#include <boost/range/adaptors.hpp>\n\n#include <boost/range/irange.hpp>\n\n\n\nusing namespace std;\n\nusing namespace boost;\n\nusing namespace boost::adaptors;\n\n\n\nclass BIT {\n\n public:\n\n explicit BIT(int64_t nn) : n(pow(2, ceil(log2(nn)))), b(n + 1) {}\n\n\n\n // [0, i)\u306e\u548c\n\n int64_t sum(int64_t i) const {\n\n int64_t s = 0;\n\n\n\n while (i > 0) {\n\n s += b[i];\n\n i -= (i & -i);\n\n }\n\n\n\n return s;\n\n }\n\n\n\n void add(int64_t i, int64_t a) {\n\n // 1-indexed\u306b\u76f4\u3059\n\n ++i;\n\n\n\n while (i <= n) {\n\n b[i] += a;\n\n i += (i & -i);\n\n }\n\n }\n\n\n\n private:\n\n int64_t n;\n\n vector<int64_t> b;\n\n};\n\n\n\nint main() {\n\n int64_t n;\n\n cin >> n;\n\n\n\n vector<int64_t> a(n);\n\n for (auto&& aa : a) {\n\n cin >> aa;\n\n }\n\n\n\n vector<int64_t> r = a;\n\n sort(r.begin(), r.end());\n\n\n\n auto ans = *partition_point(r.begin(), r.end(), [&](int64_t m) {\n\n vector<int64_t> b(n + 1);\n\n map<int64_t, int64_t> idxs;\n\n idxs[b[0]] = 0;\n\n for (auto i : irange(1L, n + 1)) {\n\n b[i] = b[i - 1] - 1;\n\n if (a[i - 1] <= m) {\n\n b[i] += 2;\n\n }\n\n idxs[b[i]] = 0;\n\n }\n\n\n\n int64_t idx = 0;\n\n for (auto&& kv : idxs) {\n\n kv.second = idx++;\n\n }\n\n\n\n BIT bit(n + 1);\n\n bit.add(idxs[b[0]], 1);\n\n int64_t k = 0;\n\n for (auto i : irange(1L, n + 1)) {\n\n k += bit.sum(idxs[b[i]]);\n\n bit.add(idxs[b[i]], 1);\n\n }\n\n\n\n return k <= n * (n + 1) / 2 / 2;\n\n });\n\n\n\n cout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002158"}97{"label": "pie_cpp_test_002159", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 105, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 105, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002159.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002159", "task_path": "tasks/test/pie_cpp_test_002159.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#include <boost/range/adaptors.hpp>\n\n#include <boost/range/irange.hpp>\n\n\n\nusing namespace std;\n\nusing namespace boost;\n\nusing namespace boost::adaptors;\n\n\n\nclass BIT {\n\n public:\n\n explicit BIT(int64_t nn) : n(pow(2, ceil(log2(nn)))), b(n + 1) {}\n\n\n\n void init() { b.assign(n + 1, 0); }\n\n\n\n // [0, i)\u306e\u548c\n\n int64_t sum(int64_t i) const {\n\n int64_t s = 0;\n\n\n\n while (i > 0) {\n\n s += b[i];\n\n i -= (i & -i);\n\n }\n\n\n\n return s;\n\n }\n\n\n\n void add(int64_t i, int64_t a) {\n\n // 1-indexed\u306b\u76f4\u3059\n\n ++i;\n\n\n\n while (i <= n) {\n\n b[i] += a;\n\n i += (i & -i);\n\n }\n\n }\n\n\n\n private:\n\n int64_t n;\n\n vector<int64_t> b;\n\n};\n\n\n\nint main() {\n\n int64_t n;\n\n cin >> n;\n\n\n\n vector<int64_t> a(n);\n\n for (auto&& aa : a) {\n\n cin >> aa;\n\n }\n\n\n\n vector<int64_t> r = a;\n\n sort(r.begin(), r.end());\n\n\n\n BIT bit(n + 1);\n\n auto ans = *partition_point(r.begin(), r.end(), [&](int64_t m) {\n\n vector<int64_t> b(n + 1);\n\n map<int64_t, int64_t> idxs;\n\n idxs[b[0]] = 0;\n\n for (auto i : irange(1L, n + 1)) {\n\n b[i] = b[i - 1] - 1;\n\n if (a[i - 1] <= m) {\n\n b[i] += 2;\n\n }\n\n idxs[b[i]] = 0;\n\n }\n\n\n\n int64_t idx = 0;\n\n for (auto&& kv : idxs) {\n\n kv.second = idx++;\n\n }\n\n\n\n bit.init();\n\n bit.add(idxs[b[0]], 1);\n\n int64_t k = 0;\n\n for (auto i : irange(1L, n + 1)) {\n\n k += bit.sum(idxs[b[i]]);\n\n bit.add(idxs[b[i]], 1);\n\n }\n\n\n\n return k <= n * (n + 1) / 2 / 2;\n\n });\n\n\n\n cout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002159"}98{"label": "pie_cpp_test_002160", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 178, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 178, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002160.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002160", "task_path": "tasks/test/pie_cpp_test_002160.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nll merge_cnt(vector<ll> &a) {\n\n int n = a.size();\n\n if (n <= 1) { return 0; }\n\n\n\n ll cnt = 0;\n\n vector<ll> b(a.begin(), a.begin()+n/2);\n\n vector<ll> c(a.begin()+n/2, a.end());\n\n\n\n cnt += merge_cnt(b);\n\n cnt += merge_cnt(c);\n\n\n\n int ai = 0, bi = 0, ci = 0;\n\n // merge \u306e\u51e6\u7406\n\n while (ai < n) {\n\n if ( bi < b.size() && (ci == c.size() || b[bi] >= c[ci]) ) {\n\n a[ai++] = b[bi++];\n\n } else {\n\n cnt += n/2 - bi;\n\n a[ai++] = c[ci++];\n\n }\n\n }\n\n return cnt;\n\n}\n\n\n\nbool judge(vector<ll> &a, ll x) {\n\n ll n = a.size();\n\n ll sum_v = 0;\n\n vector<ll> s = {0};\n\n\n\n for (auto &e: a) {\n\n int t = (e <= x) ? 1 : -1;\n\n sum_v += t;\n\n s.push_back( sum_v );\n\n }\n\n\n\n return merge_cnt(s) > n*(n+1)/2/2;\n\n}\n\n\n\nint main() {\n\n int n; cin >> n;\n\n\n\n vector<ll> a(n);\n\n\n\n for (int i = 0; i < n; i++) {\n\n cin >> a[i];\n\n }\n\n\n\n ll high = 1e18, low = 0;\n\n\n\n while (low < high) {\n\n ll mid = ( high + low ) / 2;\n\n\n\n if ( judge(a, mid) ) {\n\n high = mid;\n\n } else {\n\n low = mid+1;\n\n }\n\n }\n\n\n\n cout << high << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002160"}99{"label": "pie_cpp_test_002161", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 105, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 105, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002161.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002161", "task_path": "tasks/test/pie_cpp_test_002161.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cmath>\n\n#include <deque>\n\n#include <iostream>\n\n#include <numeric>\n\n#include <queue>\n\n#include <sstream>\n\n#include <string>\n\n#include <string.h>\n\n#include <tuple>\n\n#include <vector>\n\n\n\n#define REP(i,x) for(int i{ 0 }; i < (int)(x); i++)\n\n#define REPC(i,x) for(int i{ 0 }; i <= (int)(x); i++)\n\n#define RREP(i,x) for(int i{ (int)(x) - 1 }; i >= 0 ;i--)\n\n#define RREPC(i,x) for(int i{ (int)(x)}; i >= 0; i--)\n\n#define REP1O(i,x) for(int i{ 1 }; i < (int)(x); i++)\n\n#define REP1C(i,x) for(int i{ 1 }; i <= (int)(x); i++)\n\n\n\n#define PB push_back\n\n#define MP make_pair\n\n#define F first\n\n#define S second\n\n#define SZ(x) ((int)(x).size())\n\n#define ALL(x) (x).begin(),(x).end()\n\n\n\nusing namespace std;\n\n\n\ntypedef int64_t ll;\n\ntypedef vector<int> vi;\n\ntypedef vector<ll> vll;\n\ntypedef vector<vector<int>> vvi;\n\ntypedef vector<vector<ll>> vvll;\n\ntypedef pair<int, int> pii;\n\ntypedef tuple<int, int, int> tupiii;\n\ntypedef tuple<ll, ll, ll> tuplll;\n\n\n\nconst int INTMAX = 2147483647;\n\nconst ll LLMAX = 9223372036854775807;\n\nconst int MOD = 1000000007;\n\n\n\ntemplate<class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }\n\ninline void swap(ll& a, ll& b) { a ^= b; b ^= a; a ^= b; }\n\ninline void swap(int& a, int& b) { a ^= b; b ^= a; a ^= b; }\n\n\n\ntemplate <class T>\n\nstruct BIT {\n\nprivate:\n\n\tvector<T> data;\n\n\tint ma;\n\n\tint maid;\n\n\n\npublic:\n\n\t// [0, n] is the value you can deal\n\n\tBIT(int n);\n\n\tBIT();\n\n\tvoid init(int n);\n\n\n\n\tvoid add(int a, T val);\n\n\n\n\t// sum up to a (close-end)\n\n\tT sum(int a);\n\n\n\n\t// sum for [l, r)\n\n\tT sum(int left, int right);\n\n\n\n\tT operator()(int a);\n\n\n\n\tvoid print()\n\n\t{\n\n\t\tREP1C(i, maid) cout << sum(i, i + 1) << \",\";\n\n\t\tcout << endl;\n\n\t}\n\n};\n\n\n\nint n;\n\nvi va;\n\nll n_totsect;\n\n\n\nvoid init()\n\n{\n\n\tcin >> n;\n\n\tn_totsect = (ll)n * ((ll)n + 1) / 2;\n\n\tva.resize(n);\n\n\tREP(i, n)\n\n\t\tcin >> va[i];\n\n}\n\n\n\nbool check(int x)\n\n{\n\n\tBIT<ll> bit(2 * n);\n\n\tll n_sect = 0;\n\n\tint sum = 0;\n\n\n\n\tbit.add(n, 1);\n\n\n\n\tREP(i, n)\n\n\t{\n\n\t\tsum += (va[i] <= x) ? 1 : -1;\n\n\t\tn_sect += bit.sum(sum + n - 1);\n\n\t\t//if (x < 20)\n\n\t\t//\tcout << bit.sum(1, sum + n) << \" \" << bit.sum(sum + n) << endl;\n\n\n\n\t\tbit.add(sum + n, 1);\n\n\t}\n\n\n\n\t//if (x < 20)\n\n\t//\tbit.print();\n\n\n\n\treturn n_sect > n_totsect / 2;\n\n}\n\n\n\nint main()\n\n{\n\n\tinit();\n\n\n\n\tint ng = 0, ok = 1 << 30;\n\n\twhile (ok - ng > 1)\n\n\t{\n\n\t\tint md = (ok + ng) / 2;\n\n\t\tif (check(md))\n\n\t\t\tok = md;\n\n\t\telse\n\n\t\t\tng = md;\n\n\t}\n\n\n\n\tcout << ok << endl;\n\n}\n\n\n\n////////// 1-d BIT implementation //////////\n\n\n\n// [0, n] is the value you can deal\n\ntemplate <class T> BIT<T>::BIT(int n) : data(n + 2, (T)0), ma{ n }, maid{ n + 1 } {}\n\ntemplate <class T> BIT<T>::BIT() : BIT(1000) {}\n\ntemplate <class T> void BIT<T>::init(int n) { data.assign(n + 2, (T)0); this->ma = n; this->maid = n + 1; }\n\n\n\ntemplate <class T> void BIT<T>::add(int a, T val) { for (++a; a <= maid; a += a & (-a)) data[a] += val; }\n\n\n\n// sum up to a (close-end)\n\ntemplate <class T> T BIT<T>::sum(int a) { T ret{ 0 }; for (++a; a > 0; a -= a & (-a)) ret += data[a]; return ret; }\n\n\n\n// sum for [l, r)\n\ntemplate <class T> T BIT<T>::sum(int left, int right) { return sum(right - 1) - sum(left - 1); }\n\n\n\ntemplate <class T> T BIT<T>::operator()(int a) { if (0 <= a && a <= ma) return sum(a) - sum(a - 1); }\n\n\n\n////////// END of 1-d BIT implementation //////////\n```", "split": "test", "task_id": "pie_cpp_test_002161"}100{"label": "pie_cpp_test_002162", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 616, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 616, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002162.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002162", "task_path": "tasks/test/pie_cpp_test_002162.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <deque>\n\n#include <queue>\n\n#include <algorithm>\n\n#include <set>\n\n#include <map>\n\n#define vv(a, b, c, d) vector<vector<d> >(a, vector<d>(b, c))\n\n#define vvi std::vector<std::vector<int> >\n\n#define vvl std::vector<std::vector<ll> >\n\n#define MODs 1000000007;\n\ntypedef long long int ll;\n\nusing namespace std;\n\n\n\n//-------------------------------------------------------------------\n\nint M=1;\n\nstd::vector<int> seg;\n\nvoid init(int N){\n\n while(M<N) M*=2;\n\n M=M*2-1;\n\n for(int i=0;i<M;i++) {\n\n seg.push_back(0);\n\n }\n\n}\n\nvoid update(ll k){\n\n k += (M+1)/2-1;\n\n seg[k] ++;\n\n while(k>0){\n\n k = (k-1)/2;\n\n seg[k] = seg[k*2+1] + seg[k*2+2];\n\n }\n\n}\n\nll query(ll a, ll b, ll l, ll r, ll k){\n\n if(r<=a || b <= l) return 0;\n\n if(a<=l && r<=b) return seg[k];\n\n else{\n\n ll le = query(a, b, l, (l+r)/2, k*2+1);\n\n ll ri = query(a, b, (l+r)/2, r, k*2+2);\n\n return le + ri;\n\n }\n\n}\n\n//-------------------------------------------------------------------\n\nint main(int argc, char const *argv[]) {\n\n ll N;\n\n std::cin >> N;\n\n init(N+200000);\n\n std::vector<ll> A(N), check(N, 0), A_sum(N, 0);\n\n for(int i=0;i<N;i++) std::cin >> A[i];\n\n ll r=100000000000000, l=0;\n\n ll las_size = N*(N+1)/2;\n\n while(r - l > 1){\n\n ll ans = 0;\n\n ll mid = (r+l)/2;\n\n for(int i=0;i<seg.size();i++) seg[i]=0;\n\n for(int i=0;i<N;i++) {\n\n check[i]=(A[i]<mid?-1:1);\n\n A_sum[i] = (i==0?check[i]:A_sum[i-1]+check[i]);\n\n //std::cout << A_sum[i] << '\\n';\n\n ans += query(0, A_sum[i]+200001, 0, (M+1)/2, 0);\n\n update(A_sum[i]+200000);\n\n if(A_sum[i]>=0) ans++;\n\n }\n\n //std::cout << ans << '\\n';\n\n if(ans >= las_size/2 + (las_size%2==1?1:0)) l = mid;\n\n else r = mid;\n\n //std::cout << l << \" \" << r << '\\n';\n\n }\n\n std::cout << l << '\\n';\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002162"}101{"label": "pie_cpp_test_002163", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 86, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 86, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002163.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002163", "task_path": "tasks/test/pie_cpp_test_002163.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<math.h>\n\n#include<algorithm>\n\n#include<map>\n\n#include<set>\n\n#include<bitset>\n\n#include<stack>\n\n#include<queue>\n\n#include<string>\n\n#include<cstring>\n\n\n\n\n\nusing namespace std;\n\ntypedef long long LL;\n\nconst int maxn=2e6+7;\n\nLL n;\n\nLL tot=0;\n\nLL a[maxn];\n\nLL bit[maxn];\n\n\n\nstruct node {\n\nLL val,pos;\n\n}arr[maxn];\n\n\n\nbool cmp(node n1,node n2)\n\n{\n\n return n1.val==n2.val?n1.pos<n2.pos:n1.val<n2.val;\n\n}\n\n\n\nvoid update(LL x,LL val)\n\n{\n\n for(; x< maxn ;x+=(x & -x))\n\n {\n\n bit[x]+=val;\n\n }\n\n}\n\n\n\nLL getsum(LL x)\n\n{\n\n LL ans=0;\n\n for(;x>0;x-=(x & -x))\n\n {\n\n ans += bit[x];\n\n }\n\n return ans;\n\n}\n\n\n\n\n\n\n\nbool check(LL x){\n\n memset(bit,0,sizeof(bit));\n\n memset(arr,0,sizeof(arr));\n\n\n\n\n\n\tfor(int i=1;i<=n;i++)\n\n {\n\n if(a[i]<=x)arr[i].val=-1;\n\n else arr[i].val=1;\n\n arr[i].pos=i+1;\n\n }\n\n\n\n arr[0].val=-1;\n\n\tarr[0].pos=1;\n\n\n\n\n\n\tfor(int i=1;i<=n;i++)\n\n\tarr[i].val+=arr[i-1].val;\n\n\tsort(arr,arr+n+1,cmp);\n\n\n\n\tLL ans=0;\n\n\n\n\tfor(int i=0;i<=n;i++)\n\n {\n\n ans+=(i-getsum(arr[i].pos));\n\n update(arr[i].pos,1);\n\n }\n\n\n\n// for(int i=0;i<=n;i++)\n\n//\tfor(int j=i+1;j<=n;j++)\n\n// {\n\n//\n\n// if(arr[j].val-arr[i].val<0)\n\n// {\n\n// cout<<\"INV::\"<<arr[j].val<<\" \"<<arr[i].val<<endl;\n\n// ans++;\n\n// }\n\n// }\n\n\n\n\t//printf(\"ans::%lld --- x ::%lld\\n\",ans,x);\n\n\n\n\treturn ans*2 > tot;\n\n}\n\n\n\n\n\nint main(){\n\n scanf(\"%lld\",&n);\n\n\n\n\n\n for(int i=1;i<=n;i++)\n\n {\n\n \t scanf(\"%lld\",&a[i]);\n\n \t tot+=i;\n\n }\n\n\n\n LL l=0,r=1e9+7;\n\n while(r-l>1)\n\n {\n\n \t LL mid=(l+r)/2;\n\n \t if(check(mid)) r=mid;\n\n \t else l=mid;\n\n \t //printf(\"s%d\",mid);\n\n }\n\n printf(\"%lld\\n\",r);\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002163"}102{"label": "pie_cpp_test_002164", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 85, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 85, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002164.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002164", "task_path": "tasks/test/pie_cpp_test_002164.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <cassert>\n\nconst int MAXN = 1e5 + 10;\n\ntypedef int IntAr[MAXN];\n\ntypedef long long LL;\n\n\n\nint N;\n\nIntAr A, B, C, D;\n\nLL tot;\n\n\n\nnamespace FastIO {\n\n\ttemplate <typename T>\n\n\tvoid read(T & x) {\n\n\t\tx = 0; register char ch = getchar();\n\n\t\tfor (; ch < '0' || ch > '9'; ch = getchar());\n\n\t\tfor (; ch >= '0' && ch <= '9'; x = (x << 3) + (x << 1) + (ch ^ '0'), ch = getchar());\n\n\t}\n\n}\n\nLL count(int);\n\nvoid merge(int l, int r);\n\n\n\n// #define DEBUG_MD_\n\n\n\nint main() {\n\n\tusing FastIO::read;\n\n\tread(N);\n\n\tfor (int i = 0; i < N; i++) scanf(\"%d\", &A[i]);\n\n\tmemcpy(B, A, sizeof(int) * N);\n\n\tstd::sort(B, B + N);\n\n\tint lb = -1, mid, ub = std::unique(B, B + N) - B - 1;\n\n\tLL pos = (LL(N) * (N + 1) >> 2) + 1;\n\n#ifdef DEBUG_MD_\n\n\tprintf(\"pos=%lld\\n\", pos);\n\n#endif \n\n\tfor (; ub - lb > 1; ) { // (lb, ub]\n\n\t\tmid = lb + ub >> 1;\n\n\t\tassert(mid >= 0);\n\n\t\tif (count(B[mid]) >= pos) ub = mid;\n\n\t\telse lb = mid;\n\n\t}\n\n\t// return 0;\n\n\tprintf(\"%d\\n\", B[ub]);\n\n\treturn 0;\n\n}\n\n\n\nLL count(int key) {\n\n\tC[0] = 0;\n\n\tfor (int i = 1; i <= N; i++) C[i] = C[i - 1] + (A[i - 1] > key ? -1 : 1);\n\n\ttot = 0;\n\n\tmerge(0, N + 1);\n\n#ifdef DEBUG_MD_\n\n\tprintf(\"key=%d, tot=%lld\\n\", key, tot);\n\n#endif \n\n\treturn tot;\n\n}\n\n\n\nvoid merge(int l, int r) {\n\n\t// merge sort interval [l, r)\n\n\tif (r - l <= 1) return;\n\n\tint mid = l + r >> 1;\n\n\tmerge(l, mid);\n\n\tmerge(mid, r);\n\n#ifdef DEBUG_MD_\n\n\tprintf(\"[%d, %d)\\n\", l, r);\n\n#endif\n\n\tint i, j, k;\n\n\tfor (i = l, j = mid, k = l; i < mid && j < r; )\n\n\t\tif (C[i] < C[j]) {\n\n\t\t\tD[k++] = C[i++];\n\n\t\t\ttot += r - j;\n\n\t\t}\n\n\t\telse D[k++] = C[j++];\n\n\tfor (; i < mid; ) D[k++] = C[i++];\n\n\tfor (; j < r; ) D[k++] = C[j++];\n\n\tmemcpy(C + l, D + l, sizeof(int) * (r - l));\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002164"}103{"label": "pie_cpp_test_002165", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 192, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 192, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002165.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002165", "task_path": "tasks/test/pie_cpp_test_002165.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <queue>\n\n#include <stack>\n\n#include <vector>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <map>\n\n#include <unordered_map>\n\n#include <set>\n\n#include <algorithm>\n\n#include <iomanip>\n\n#define F first\n\n#define S second\n\n#define PB push_back\n\n#define PF push_front\n\n#define MP make_pair\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef pair<int,int> pii;\n\nconst int maxn = 4e5 + 10;\n\nconst int maxm = 1e5 + 10;\n\nconst int mod = 1e9 + 7;\n\nconst int inf = 1e9;\n\n\n\nll a[maxn], b[maxn], c[maxn], fen[maxn];\n\nll n;\n\nint N = 200000;\n\n\n\nll get (ll x) {\n\n ll ret = 0;\n\n x += N;\n\n for (; x; x -= x & -x)\n\n ret += fen[x];\n\n return ret;\n\n}\n\n\n\nvoid update (ll x) {\n\n x += N;\n\n for (; x < maxn; x += x & -x)\n\n fen[x] ++;\n\n}\n\n\n\nll check () {\n\n memset (fen, 0, sizeof fen);\n\n memset (c, 0, sizeof c);\n\n for (int i = 1; i <= n; i++)\n\n c[i] = c[i - 1] + b[i] - (b[i] == 0);\n\n\n\n update (0);\n\n ll ret = 0;\n\n for (int i = 1; i <= n; i++) {\n\n ret += get (c[i] - 1);\n\n update (c[i]);\n\n }\n\n return ret;\n\n}\n\n\n\nvoid build (ll x) {\n\n for (int i = 1; i <= n; i++)\n\n b[i] = (a[i] < x);\n\n}\n\n\n\nint main() {\n\n ios_base::sync_with_stdio(false);\n\n cin >> n;\n\n for (int i = 1; i <= n; i++)\n\n cin >> a[i];\n\n ll tot = n * (n + 1) / 2;\n\n ll lo = 0, hi = 1000ll * 1000 * 1000 * 1000 + 1;\n\n while (hi - lo > 1) {\n\n ll mid = (lo + hi) >> 1;\n\n build (mid);\n\n// cout << lo << \" \" << mid << \" \" << hi << \" -> \" << check () << \" \" << tot / 2 + 1 << endl;\n\n if (check () > tot / 2)\n\n hi = mid;\n\n else\n\n lo = mid;\n\n }\n\n cout << lo << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002165"}104{"label": "pie_cpp_test_002166", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 58, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 58, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002166.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002166", "task_path": "tasks/test/pie_cpp_test_002166.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<algorithm>\n\n#include<queue>\n\n#define inl inline\n\n#define re register\n\n#define LL long long\n\n#define MAXN 10100\n\nusing namespace std;\n\nstruct con\n\n{\n\n\tint p;LL sum;\n\n}hh[100100];\n\nLL read()\n\n{\n\n LL f=1,p=0;\n\n char c=getchar();\n\n while(c>'9'||c<'0'){if(c=='-')f=-1;c=getchar();}\n\n while(c>='0'&&c<='9'){p=p*10+c-'0';c=getchar();}\n\n return f*p;\n\n}\n\nvoid write(LL x)\n\n{\n\n if(x<0)putchar('-'),x=-x;\n\n if(x/10)write(x/10);\n\n putchar(x%10+'0');\n\n}\n\nLL n,a[100100];\n\nLL l=1000000000l,r,mid,ans,f[100100];\n\nLL sum[100100];\n\ninl LL lowbit(LL x){return x&(-x);}\n\ninl bool cmp(const con&a,const con &b)\n\n{\n\n\tif(a.sum==b.sum)return a.p<b.p;\n\n\treturn a.sum<b.sum;\n\n}\n\nvoid add(int b){for(int i=b;i<=n;i+=lowbit(i))f[i]++;}\n\nLL find(int a)\n\n{\n\n\tLL u=0;\n\n\tfor(int i=a;i>0;i-=lowbit(i))u+=f[i];\n\n\treturn u;\n\n}\n\nbool check()\n\n{\n\n\tans=0;\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tif(a[i]<mid)hh[i].sum=-1;\n\n\t\telse hh[i].sum=1;\n\n\t}\n\n\tfor(int i=1;i<=n;i++)\n\n\t\thh[i].sum+=hh[i-1].sum;\n\n\tfor(int i=1;i<=n;i++)hh[i].p=i;\n\n\tsort(hh+1,hh+n+1,cmp);\n\n\tmemset(f,0,sizeof(f));\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tadd(hh[i].p);\n\n\t\tans+=find(hh[i].p-1);\n\n\t\tif(hh[i].sum>=0)ans++; \n\n\t}\n\n\treturn 4*ans<n*(n+1);\n\n}\n\nint main()\n\n{\n\n\tn=read();\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\ta[i]=read();\n\n\t\tl=min(l,a[i]);\n\n\t\tr=max(r,a[i]);\n\n\t}\n\n\twhile(l<r)\n\n\t{\n\n\t\tmid=(l+r+1)/2;\n\n\t\tif(check()) r=mid-1;\n\n\t\telse l=mid;\n\n\t}\n\n\twrite(l);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002166"}105{"label": "pie_cpp_test_002167", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 94, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 94, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002167.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002167", "task_path": "tasks/test/pie_cpp_test_002167.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n/*\n\nCode By RyeCatcher\n\n*/\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <cctype>\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <ext/pb_ds/hash_policy.hpp>\n\n#include <ext/pb_ds/assoc_container.hpp>\n\n#include <queue>\n\n#define ri register int \n\n#define ll long long \n\n#define ull unsigned long long \n\nusing std::min;\n\nusing std::max;\n\nusing std::lower_bound;\n\nusing namespace __gnu_pbds;\n\ntemplate <class T>inline void read(T &x){\n\n x=0;int ne=0;char c;\n\n while(!isdigit(c=getchar()))ne=c=='-';\n\n x=c-48;\n\n while(isdigit(c=getchar()))x=(x<<3)+(x<<1)+c-48;\n\n x=ne?-x:x;return ;\n\n}\n\nconst int maxn=200005;\n\nconst int inf=0x7fffffff;\n\nint n,nn,a[maxn],b[maxn],c[maxn],mx=-inf,mi=inf;\n\nll sum[maxn<<2];\n\ninline void update(int x,int d){for(;x<=nn;x+=x&(-x))sum[x]+=d;}\n\ninline ll query(int x){ll ans=0;for(;x;x-=x&(-x))ans+=sum[x];return ans;}\n\ninline ll chk(int k){\n\n ll ans=0;\n\n b[0]=0;\n\n for(ri i=1;i<=n;i++){\n\n b[i]=b[i-1]+((a[i]<=k)?1:-1);\n\n c[i]=b[i];\n\n ans+=(b[i]>0);\n\n }\n\n std::sort(c+1,c+1+n);\n\n nn=std::unique(c+1,c+1+n)-(c+1);\n\n memset(sum,0,sizeof(sum));\n\n for(ri i=1;i<=n;i++){\n\n \tb[i]=lower_bound(c+1,c+1+nn,b[i])-c;\n\n ans+=query(b[i]-1);\n\n update(b[i],1);\n\n }\n\n return ans;\n\n}\n\nint main(){\n\n read(n);\n\n for(ri i=1;i<=n;i++){\n\n read(a[i]);\n\n mi=min(mi,a[i]),mx=max(mx,a[i]);\n\n }\n\n int L=mi,R=mx,mid,ans;\n\n\tll lim=1ll*n*(n+1)/4+1;//\u6ce8\u610flong long \n\n while(L<=R){\n\n mid=(L+R)>>1;\n\n if(chk(mid)>=lim)ans=mid,R=mid-1;\n\n else L=mid+1;\n\n }\n\n printf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002167"}106{"label": "pie_cpp_test_002168", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 97, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 97, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002168.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002168", "task_path": "tasks/test/pie_cpp_test_002168.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\n#include<cmath>\n\nusing namespace std;\n\n#define INF 1000000000;\n\nint a[100005],sum[100005],save[100005];\n\ntypedef long long ll;\n\nll to,to1;\n\nint n;int maxl,minl;\n\nvoid sortl(int left,int right)\n\n{\n\n if(left==right)\n\n return ;\n\n int mid=(right+left)/2;\n\n sortl(left,mid);\n\n sortl(mid+1,right);\n\n int l=left,l2=mid+1,r=left;\n\n while(l<=mid&&l2<=right)\n\n {\n\n if(sum[l]<sum[l2])\n\n save[r++]=sum[l++];\n\n else\n\n {\n\n to1+=l-left;\n\n save[r++]=sum[l2++];\n\n }\n\n }\n\n while(l<=mid)\n\n save[r++]=sum[l++];\n\n while(l2<=right)\n\n {\n\n to1+=l-left;\n\n save[r++]=sum[l2++];\n\n }\n\n for(int i=left;i<=right;i++)\n\n sum[i]=save[i];\n\n}\n\nbool ck(int x)\n\n{\n\n to1=0;\n\n for(int i=1;i<=n;++i)\n\n sum[i]=(a[i]<=x?1:-1);\n\n for(int i=1;i<=n;++i)\n\n sum[i]+=sum[i-1];\n\n sortl(0,n);\n\n return to1>=to/2+1;\n\n}\n\nint main()\n\n{\n\n maxl=-INF;minl=INF\n\n scanf(\"%d\",&n);\n\n to=0;\n\n for(int i=1;i<=n;++i)\n\n {\n\n scanf(\"%d\",&a[i]);\n\n minl=min(minl,a[i]);\n\n maxl=max(maxl,a[i]);\n\n to+=i;\n\n }\n\n while(minl<maxl)\n\n {\n\n int mid=(minl+maxl)/2;\n\n if(ck(mid))\n\n maxl=mid;\n\n else\n\n minl=mid+1;\n\n }\n\n printf(\"%d\\n\",maxl);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002168"}107{"label": "pie_cpp_test_002169", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 67, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 67, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002169.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002169", "task_path": "tasks/test/pie_cpp_test_002169.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint n,a[100005],sum[100005],temp[100005];\n\nlong long cnt,num;\n\nvoid merge_sort(int l,int r)\n\n{\n\n\tif(l>=r) return;\n\n\tint mid=(l+r)/2;\n\n\tmerge_sort(l,mid);\n\n\tmerge_sort(mid+1,r);\n\n\tint i=l,j=mid+1,k=l;\n\n\twhile(i<=mid&&j<=r)\n\n\t{\n\n\t\tif(sum[i]<=sum[j]) temp[k++]=sum[i++];\n\n\t\telse cnt+=mid-i+1,temp[k++]=sum[j++];\n\n\t}\n\n\twhile(i<=mid) temp[k++]=sum[i++];\n\n\twhile(j<=r) temp[k++]=sum[j++];\n\n\tfor(i=l;i<=r;i++) sum[i]=temp[i];\n\n}\n\nbool check(int x)\n\n{\n\n\tsum[0]=cnt=0;\n\n\tfor(int i=1;i<=n;i++) sum[i]=a[i]<=x?-1:1;\n\n\tfor(int i=1;i<=n;i++) sum[i]+=sum[i-1];\n\n\tmerge_sort(0,n);\n\n\treturn cnt>=num/2+1;\n\n}\n\nint main()\n\n{\n\n\tint l=INT_MAX,r=INT_MIN;\n\n\tscanf(\"%d\",&n);\n\n\tfor(int i=1;i<=n;i++) scanf(\"%d\",&a[i]),l=min(l,a[i]),r=max(r,a[i]),num+=i;\n\n\twhile(l<r)\n\n\t{\n\n\t\tint mid=(l+r)/2;\n\n\t\tif(check(mid)) r=mid;\n\n\t\telse l=mid+1;\n\n\t}\n\n\tcout<<r<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002169"}108{"label": "pie_cpp_test_002170", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 85, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 85, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002170.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002170", "task_path": "tasks/test/pie_cpp_test_002170.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstring>\n\n#define int long long\n\n#define N 100002\n\nusing namespace std;\n\nint n,i,a[N],c[N*2],sum[N],l,r,mid,ans;\n\nint lowbit(int x)\n\n{\n\n\treturn x&(-x);\n\n}\n\nvoid modify(int x,int y)\n\n{\n\n\tfor(int i=x;i<=N+n;i+=lowbit(i)) c[i]+=y;\n\n}\n\nint ask(int x)\n\n{\n\n\tint ans=0;\n\n\tfor(int i=x;i>=N-n;i-=lowbit(i)) ans+=c[i];\n\n\treturn ans;\n\n}\n\nbool check(int x)\n\n{\n\n\tint ans=0;\n\n\tmemset(c,0,sizeof(c));\n\n\tfor(int i=1;i<=n;i++){\n\n\t\tif(a[i]<x) sum[i]=sum[i-1]-1;\n\n\t\telse sum[i]=sum[i-1]+1;\n\n\t}\n\n\tfor(int i=0;i<=n;i++){\n\n\t\tans+=ask(sum[i]+N);\n\n\t\tmodify(sum[i]+N,1);\n\n\t}\n\n\tif(ans>=n*(n+1)/4) return 1;\n\n\treturn 0;\n\n}\n\nsigned main()\n\n{\n\n\tcin>>n;\n\n\tfor(i=1;i<=n;i++){\n\n\t\tcin>>a[i];\n\n\t\tr=max(r,a[i]);\n\n\t}\n\n\twhile(l<=r){\n\n\t\tmid=(l+r)/2;\n\n\t\tif(check(mid)){\n\n\t\t\tans=mid;\n\n\t\t\tl=mid+1;\n\n\t\t}\n\n\t\telse r=mid-1;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002170"}109{"label": "pie_cpp_test_002171", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 91, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 91, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002171.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002171", "task_path": "tasks/test/pie_cpp_test_002171.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <algorithm>\n\nusing namespace std;\n\nconst int N = 101000;\n\nint n, nums[N], vec[N], sum[N], t[N];\n\nlong long merge( int l, int r ){\n\n\tif( l == r )\n\n\t\treturn 0;\n\n\tint mid = (l+r) / 2;\n\n\tlong long res = merge(l, mid) + merge(mid+1, r);\n\n\tint i = l, j = mid+1, k = l;\n\n\twhile( i <= mid || j <= r ){\n\n\t\tif( j > r || (i <= mid && sum[i] <= sum[j]) )\n\n\t\t\tt[k++] = sum[i++];\n\n\t\telse\n\n\t\t\tt[k++] = sum[j++], res += mid - i + 1;\n\n\t}\n\n\tfor( int i = l; i <= r; ++i )\n\n\t\tsum[i] = t[i];\n\n\treturn res;\n\n}\n\nbool check( int x ){\n\n\tfor( int i = 1; i <= n; ++i )\n\n\t\tsum[i] = sum[i-1] + (nums[i] < x ? -1 : 1);\n\n\treturn merge(0, n) * 2 <= (long long)n * (n+1) / 2;\n\n}\n\nint main(){\n\n\tscanf(\"%d\", &n);\n\n\tfor( int i = 1; i <= n; ++i ){\n\n\t\tscanf(\"%d\", &nums[i]);\n\n\t\tvec[i] = nums[i];\n\n\t}\n\n\tsort(vec+1, vec+1+n);\n\n\tint m = unique(vec+1, vec+1+n)-vec;\n\n\tint l = 0, r = m-1;\n\n\twhile( l < r ){\n\n\t\tint mid = (l+r+1) / 2;\n\n\t\tif( check(vec[mid]) )\n\n\t\t\tl = mid;\n\n\t\telse\n\n\t\t\tr = mid-1;\n\n\t}\n\n\tprintf(\"%d\\n\", vec[r]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002171"}110{"label": "pie_cpp_test_002172", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 94, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 94, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002172.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002172", "task_path": "tasks/test/pie_cpp_test_002172.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#pragma GCC optimize(\"O3\")\n\n#include<bits/stdc++.h> \n\nusing namespace std;\n\nusing ll=long long;\n\nusing P=pair<ll,ll>;\n\ntemplate<class T> using V=vector<T>; \n\n#define fi first\n\n#define se second\n\n#define all(v) (v).begin(),(v).end()\n\nconst ll inf=(1e18);\n\n//const ll mod=998244353;\n\nconst ll mod=1000000007;\n\nll GCD(ll a,ll b) {return b ? GCD(b,a%b):a;}\n\nll LCM(ll c,ll d){return c/GCD(c,d)*d;}\n\nstruct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init;\n\ntemplate<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }\n\ntemplate<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }\n\ntemplate<typename T>\n\nstruct BIT{\n\n //1-index\n\n //0-index\u3067\u53d6\u308b\u3068\u7121\u9650\u30eb\u30fc\u30d7\u3059\u308b\n\n private:\n\n V<T> arr;\n\n int n;\n\n\n\n public:\n\n BIT(int siz){\n\n n=siz;\n\n arr.assign(n+1,0);\n\n }\n\n //\u4e00\u70b9\u66f4\u65b0 a\u306bv\u3092\u52a0\u3048\u308b\n\n void add(T a,T v){\n\n //x+=(x&-x) \u521d\u9805a,\u305d\u308c\u4ee5\u964da<=2^N\u304c\u5217\u6319\n\n for(T x=a;x<=n;x+=(x&-x)){\n\n arr[x]+=v;\n\n }\n\n }\n\n T sum(T a){\n\n // 1\u304b\u3089a\u307e\u3067\u306e\u533a\u9593\u548c\n\n T ret=0;\n\n for(T x=a;x>0;x-=(x&-x))ret+=arr[x];\n\n return ret;\n\n }\n\n T lower_bound(T w){// \u533a\u9593\u548c\u304cw\u4ee5\u4e0a\u3068\u306a\u308b\u6700\u5c0f\u306eind\u3092\u8fd4\u3059\n\n if(w<=0)return 0;\n\n T x,r=1;//x\u306f\u6a2a\u306e\u4f4d\u7f6e,r\u306frank\n\n while(r<n)r<<=1;\n\n for(T k=r;k>0;k>>=1){\n\n if(x+k<=n&&arr[x+r]<w){\n\n w-=arr[x+r];\n\n x+=k;\n\n }\n\n }\n\n return x+1;\n\n }\n\n T get(T x){//x\u756a\u76ee\u306b\u5927\u304d\u3044\u6570\n\n if(x<=0) return 0;\n\n T N=1;\n\n while(N*2<=n)N*=2;\n\n T v=0;\n\n for(T i=N;i>0;i/=2){\n\n if(v+i<=n&&arr[v+i]<x){\n\n x-=arr[v+i];\n\n v+=i;\n\n }\n\n }\n\n return v+1;\n\n }\n\n T query(int l,int r){\n\n return sum(r)-sum(l);\n\n }\n\n};\n\nll n;\n\nV<ll> a;\n\nV<ll> sum;\n\nV<P> dat;\n\nll solve(ll x){\n\n BIT<ll> bit(n+1);\n\n sum.assign(n+1,0);\n\n dat.clear();\n\n for(int i=0;i<n;i++){\n\n ll add;\n\n if(a[i]>x)add=1;\n\n else add=-1;\n\n sum[i+1]=sum[i]+add;\n\n }\n\n for(int i=0;i<=n;i++)dat.emplace_back(sum[i],i);\n\n sort(all(dat),greater<P>());\n\n ll res=0;\n\n for(int i=0;i<=n;){\n\n int j=i;\n\n while(j<=n&&dat[i].fi==dat[j].fi){\n\n res+=bit.sum(dat[j].se);\n\n j++;\n\n }\n\n j=i;\n\n while(j<=n&&dat[i].fi==dat[j].fi){\n\n bit.add(dat[j].se+1,1);\n\n j++;\n\n }\n\n i=j;\n\n }\n\n return res;\n\n}\n\nint main(){\n\n cin>>n;\n\n a.resize(n);\n\n V<ll> d(n);\n\n for(int i=0;i<n;i++){\n\n cin>>a[i];\n\n }\n\n ll l=0,r=(1e10);\n\n while(r-l>1){\n\n ll mid=(l+r)/2;\n\n ll c=solve(mid);\n\n if(c>(n+1)*n/2/2)r=mid;\n\n else l=mid;\n\n }\n\n cout<<r<<\"\\n\";\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002172"}111{"label": "pie_cpp_test_002173", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 210, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 210, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002173.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002173", "task_path": "tasks/test/pie_cpp_test_002173.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <set>\n\n#include <algorithm>\n\n#include <cctype>\n\n#include <cmath>\n\n#include <queue>\n\n#include <map>\n\n#include <numeric>\n\n#include <unordered_map>\n\n#include <iomanip>\n\n#include <functional>\n\n#include <bitset>\n\n#include <complex>\n\n#include <stack>\n\n\n\n\n\n\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define rrep(i, n) for(int i = (int)(n-1); i >= 0; i--)\n\n#define repi(i,a,b) for(int i=int(a);i<int(b);i++)\n\n#define all(x) (x).begin(),(x).end()\n\n\n\ntemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }\n\ntemplate<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }\n\n\n\ntypedef long long ll;\n\n\n\nusing namespace std;\n\n\n\ntemplate <class Monoid>\n\nclass SegmentTree\n\n{\n\npublic:\n\n using Func = function<Monoid(Monoid, Monoid)>;\n\n const Func F;\n\n const Monoid M1;\n\n int sz;\n\n vector<Monoid> seg;\n\n\n\n SegmentTree(int n,const Func fu, const Monoid &m1): F(fu) , M1(m1) {init(n);}\n\n void init(int n)\n\n {\n\n sz= 1;\n\n while (sz < n) sz *= 2;\n\n seg.assign(sz * 2, M1);\n\n }\n\n void update(int k,const Monoid &x)\n\n {\n\n k+=sz;\n\n seg[k]+=x;\n\n while(k>>=1)\n\n {\n\n seg[k]=F(seg[k*2],seg[k*2+1]);\n\n }\n\n }\n\n Monoid query(int l,int r)\n\n {\n\n Monoid L=M1,R=M1;\n\n l+=sz;r+=sz;\n\n for(;l<r;l>>=1,r>>=1)\n\n {\n\n if(l&1)L=F(L,seg[l++]);\n\n if(r&1)R=F(seg[--r],R);\n\n }\n\n return F(L,R);\n\n }\n\n};\n\n\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n ll n;cin>>n;\n\n vector<ll>a(n);\n\n rep(i,n)cin>>a[i];\n\n ll ng=0,ok=1e9;\n\n auto check=[&](ll num){\n\n auto b=a;\n\n rep(i,n){\n\n if(a[i]<=num)b[i]=1;\n\n else b[i]=-1;\n\n }\n\n vector<ll>sb(n+1,0);\n\n sb[0]=n;\n\n rep(i,n)sb[i+1]=sb[i]+b[i];\n\n SegmentTree<ll> st(2*n,[](ll a,ll b){return a+b;},0LL);\n\n ll su=0;\n\n repi(i,0,n+1){\n\n //cout<<\"sb \"<<sb[i]<<endl;\n\n su+=st.query(0,sb[i]);\n\n st.update(sb[i],1);\n\n //cout<<\"su \"<<su<<endl;\n\n\n\n }\n\n // cout<<num<<endl;\n\n // cout<<su<<\" \"<<n*(n+1)/4<<endl;\n\n return su>n*(n+1)/4;\n\n\n\n };\n\n while(ok-ng>1){\n\n ll nn=(ok+ng)/2;\n\n if(check(nn))ok=nn;\n\n else ng=nn;\n\n }\n\n cout<<ok<<endl;\n\n return 0;\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002173"}112{"label": "pie_cpp_test_002174", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 83, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 83, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002174.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002174", "task_path": "tasks/test/pie_cpp_test_002174.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#define MAXN 1<<17\n\nusing namespace std;\n\nint n, len, l, r; long long cnt,tot;\n\nint a[MAXN], sum[MAXN], t[MAXN], T[MAXN];\n\n\n\nvoid merge_sort(int nl, int nr){\n\n if (nl == nr) return;\n\n int mid = (nl + nr) >> 1;\n\n int p = nl, q = mid+1, now = nl;\n\n merge_sort(nl, mid);\n\n merge_sort(mid+1, nr);\n\n\n\n while (p <= mid && q <= nr){\n\n if (sum[p] < sum[q]){\n\n T[now++] = sum[p++];\n\n }\n\n else {\n\n tot += (p-nl);\n\n T[now++] = sum[q++];\n\n }\n\n }\n\n while (p <= mid) T[now++] = sum[p++];\n\n while (q <= nr) {\n\n tot += (p-nl);\n\n T[now++] = sum[q++];\n\n }\n\n for (int i = nl;i <= nr;++i){\n\n sum[i] = T[i];\n\n }\n\n\n\n}\n\n\n\nbool check(int ans){\n\n sum[0] = 0;\n\n for (int i = 1;i <= n;++i){\n\n if (a[i] <= ans) sum[i] = sum[i-1]+1;\n\n else sum[i] = sum[i-1]-1;\n\n }\n\n tot = 0;\n\n merge_sort(0, n);\n\n return tot >= (cnt/2+1) ;\n\n}\n\n\n\nvoid solve(){\n\n int mid;\n\n while (l < r){\n\n mid = (l+r) >> 1;\n\n if (check(mid)) r = mid;\n\n else l = mid+1;\n\n }\n\n printf(\"%d\\n\", r);\n\n}\n\n\n\nvoid input(){\n\n scanf(\"%d\", &n);\n\n l = 1e9+10;\n\n r = 0;\n\n for (int i = 1;i <= n;++i){\n\n scanf(\"%d\", &a[i]);\n\n r = max(r ,a[i]);\n\n l = min(l, a[i]);\n\n cnt += i;\n\n }\n\n solve();\n\n}\n\n\n\nint main(){\n\n input();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002174"}113{"label": "pie_cpp_test_002175", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 63, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 63, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002175.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002175", "task_path": "tasks/test/pie_cpp_test_002175.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint n, a[100005], sum[100005];\n\nlong long m;\n\nnamespace BIT\n\n{\n\n\tlong long c[500005];\n\n\tinline long long lowbit(long long x) { return x & (~x + 1); }\n\n\tinline void add(long long x, long long val)\n\n\t{\n\n\t\tfor (long long i = x; i < 4 * n; i += lowbit(i))\tc[i] += val;\n\n\t}\n\n\tinline long long sum(long long x)\n\n\t{\n\n\t\tlong long res = 0;\n\n\t\tfor (long long i = x; i; i -= lowbit(i))\tres += c[i];\n\n\t\treturn res;\n\n\t}\n\n}\n\nbool check(int x)\n\n{\n\n\tlong long cnt = 0;\n\n\tsum[0] = 0;\n\n\tfor (int i = 1; i <= n; ++i)\n\n\t{\n\n\t\tsum[i] = (a[i] >= x);\n\n\t\tsum[i] += sum[i - 1];\n\n\t}\n\n\tfor (int i = 0; i <= n; ++i)\n\n\t{\n\n\t\tsum[i] = (2 * sum[i] - i) + n + 1;\n\n\t}\n\n\tmemset(BIT::c, 0, sizeof(BIT::c));\n\n\tfor (int i = 0; i <= n; ++i)\n\n\t{\n\n\t\tcnt += BIT::sum(sum[i]);\n\n\t\tBIT::add(sum[i], 1);\n\n\t}\n\n\treturn cnt >= (m+1)/2;\n\n}\n\nint main()\n\n{\n\n\tint l = 1000000005, r = 1, ans, mid;\n\n\tscanf(\"%d\", &n);\n\n\tm = 1ll*n * (n + 1) / 2;\n\n\tfor (int i = 1; i <= n; ++i)\n\n\t{\n\n\t\tscanf(\"%d\", a + i);\n\n\t\tl = min(l, a[i]);\n\n\t\tr = max(r, a[i]);\n\n\t}\n\n\twhile (l <= r)\n\n\t{\n\n\t\tmid = (l + r) >> 1;\n\n\t\tif (check(mid))\tl = mid + 1, ans = mid;\n\n\t\telse r = mid - 1;\n\n\t}\n\n\tprintf(\"%d\\n\", ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002175"}114{"label": "pie_cpp_test_002176", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 202, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 202, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002176.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002176", "task_path": "tasks/test/pie_cpp_test_002176.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<queue>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<ctime>\n\n#include<set>\n\n#include<map>\n\n#include<stack>\n\n#include<cstring>\n\n#define inf 2147483647\n\n#define For(i,a,b) for(long long i=a;i<=b;i++)\n\n#define p(a) putchar(a)\n\n#define g() getchar()\n\n#define N 1000100\n\n//2018.10.25;6:37\n\nusing namespace std;\n\nlong long n,t[N<<4],a[N<<4],l,r,mid,cnt,b[N<<4];\n\nvoid in(long long &x){\n\n long long y=1;\n\n char c=g();x=0;\n\n while(c<'0'||c>'9'){\n\n if(c=='-')y=-1;\n\n c=g();\n\n }\n\n while(c<='9'&&c>='0'){\n\n x=(x<<1)+(x<<3)+c-'0';c=g();\n\n }\n\n x*=y;\n\n}\n\nvoid o(long long x){\n\n if(x<0){\n\n p('-');\n\n x=-x;\n\n }\n\n if(x>9)o(x/10);\n\n p(x%10+'0');\n\n}\n\n\n\nvoid modify(long long k){\n\n for(;k<=N<<1;k+=k&(-k))\n\n t[k]++;\n\n}\n\n\n\nlong long get(long long k){\n\n long long ans=0;\n\n for(;k;k-=k&(-k))\n\n ans+=t[k];\n\n return ans;\n\n}\n\n\n\nbool check(long long x){\n\n For(i,1,n)\n\n b[i]=b[i-1]+(a[i]>=x?1:-1);\n\n cnt=0;\n\n memset(t, 0, sizeof(t));\n\n For(i,0,n){\n\n cnt+=get(b[i]+N);\n\n modify(b[i]+N);\n\n }\n\n return cnt>=n*(n+1)/4;\n\n}\n\n\n\nint main(){\n\n//\tfreopen(\"t.in\",\"r\",stdin); \n\n in(n);\n\n For(i, 1, n)in(a[i]);\n\n if(n==1){\n\n \to(a[1]);\n\n \treturn 0;\n\n\t}\n\n\tif(n==2){\n\n\t\to(max(a[1],a[2]));\n\n\t\treturn 0;\n\n\t}\n\n r=10000000000;\n\n while(l<r){\n\n mid=(l+r)>>1;\n\n if(check(mid))l=mid+1;\n\n else\n\n r=mid;\n\n }\n\n o(l-1);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002176"}115{"label": "pie_cpp_test_002177", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 93, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 93, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002177.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002177", "task_path": "tasks/test/pie_cpp_test_002177.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <algorithm>\n\n#include <cstring>\n\n\n\nusing namespace std;\n\n\n\nconst int M = 100000;\n\n\n\nint n;\n\nint da[100010];\n\nint f[100010];\n\nlong long p[200010];\n\n\n\ninline int lowbit(int x){return x&(-x);}\n\n\n\nvoid up(int pos, int val){\n\n\tfor(int i = pos; i <= 2*n+1; i += lowbit(i)){\n\n\t\tp[i] += val;\n\n\t}\n\n}\n\n\n\nlong long que(int pos){\n\n\tlong long ans = 0;\n\n\tfor(int i = pos; i; i -= lowbit(i)){\n\n\t\tans += p[i];\n\n\t}\n\n\treturn ans;\n\n}\n\n\n\nlong long calc(int x){\n\n\tmemset(f, 0, sizeof(f));\n\n\tmemset(p, 0, sizeof(p));\n\n\tfor(int i = 1; i <= n; i ++){\n\n\t\tif(da[i] >= x) f[i] = 1;\n\n\t\telse f[i] = -1; \n\n\t\tf[i] += f[i-1];\n\n\t}\n\n\tlong long res = 0;\n\n\tup(n+1, 1);\n\n\tfor(int i = 1; i <= n; i ++){\n\n\t\tup(f[i]+n+1, 1);\n\n\t\tres += que(2*n+1) - que(f[i]+n+1);\n\n\t}\n\n\treturn res;\n\n}\n\n\n\nint main(){\n\n\tscanf(\"%d\", &n);\n\n\tfor(int i = 1; i <= n; i ++){\n\n\t\tscanf(\"%d\", &da[i]);\n\n\t}\n\n\tif(n == 1) {printf(\"%d\\n\", da[1]); return 0;}\n\n\tint l = 1, r = 1e9+1, ans = 0;\n\n\twhile(l <= r){\n\n\t\tint mid = (l+r) >> 1;\n\n\t\tif(calc(mid) <= ((long long)(1+n)*n/2)/2 + 1){\n\n\t\t\tl = mid + 1, ans = mid;\n\n\t\t}else r = mid - 1;\n\n\t} \n\n\tprintf(\"%d\\n\", ans);\n\n\treturn 0;\t\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002177"}116{"label": "pie_cpp_test_002178", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 68, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 68, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002178.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002178", "task_path": "tasks/test/pie_cpp_test_002178.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n///http://www.cnblogs.com/henry-1202/p/9537952.html\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long LL;\n\ninline LL read()\n\n{\n\n LL x=0,f=1;char ch=getchar();\n\n while(ch>'9'||ch<'0'){if(ch=='-')f=-1;ch=getchar();}\n\n while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}\n\n return x*f;\n\n}\n\n\n\nconst int maxn=1e5+10;\n\nint a[maxn];\n\nint n;\n\nint c[maxn*15];\n\nint pre[maxn*15];\n\nint lowbit(int x)\n\n{\n\n return x&-x;\n\n}\n\nvoid add(int x)\n\n{\n\n for(int i=x;i<=2*maxn;i+=lowbit(i))c[i]++;\n\n}\n\nLL query(int x)\n\n{\n\n LL res=0;\n\n for(int i=x;i>0;i-=lowbit(i))res+=c[i];\n\n return res;\n\n}\n\n\n\nbool check(int x)\n\n{\n\n memset(c,0,sizeof(c));\n\n pre[0]=0;\n\n for(int i=1;i<=n;i++)pre[i]=pre[i-1]+(a[i]>=x?1:-1);\n\n LL res=0;\n\n for(int i=0;i<=n;i++){\n\n res+=query(pre[i]+maxn);\n\n add(pre[i]+maxn);\n\n }\n\n return res>=1LL*n*(n+1)/4;\n\n}\n\n\n\nint main()\n\n{\n\n n=read();\n\n int L=0,R=0,ans=0;\n\n for(int i=1;i<=n;i++){\n\n a[i]=read();\n\n R=max(R,a[i]);\n\n }\n\n while(L<=R){\n\n int mid=(L+R)>>1;\n\n if(check(mid)){\n\n L=mid+1;ans=mid;\n\n }\n\n else{\n\n R=mid-1;\n\n }\n\n }\n\n printf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002178"}117{"label": "pie_cpp_test_002179", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 228, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 228, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002179.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002179", "task_path": "tasks/test/pie_cpp_test_002179.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define lson root<<1\n\n#define rson root<<1|1\n\nusing namespace std;\n\nint n;\n\nint a[200010];\n\nint sum[200010];\n\nstruct node{\n\n int l,r,sum;\n\n}tr[1600080];\n\nint push_up(int root){\n\n tr[root].sum=tr[lson].sum+tr[rson].sum;\n\n}\n\nint build(int root,int l,int r){\n\n if(l==r){\n\n tr[root].sum=0;\n\n tr[root].l=l;\n\n tr[root].r=r;\n\n return 0;\n\n }\n\n tr[root].l=l;\n\n tr[root].r=r;\n\n int mid=(l+r)>>1;\n\n build(lson,l,mid);\n\n build(rson,mid+1,r);\n\n push_up(root);\n\n}\n\nint update(int root,int pos){\n\n if(pos==tr[root].l&&pos==tr[root].r){\n\n tr[root].sum++;\n\n return 0;\n\n }\n\n int mid=(tr[root].l+tr[root].r)>>1;\n\n if(pos<=mid){\n\n update(lson,pos);\n\n }\n\n else{\n\n update(rson,pos);\n\n }\n\n push_up(root);\n\n}\n\nint query(int root,int l,int r){\n\n if(l>r) return 0;\n\n if(l<=tr[root].l&&tr[root].r<=r) return tr[root].sum;\n\n int mid=(tr[root].l+tr[root].r)>>1;\n\n if(r<=mid){\n\n return query(lson,l,r);\n\n }\n\n else{\n\n if(l>mid){\n\n return query(rson,l,r);\n\n }\n\n else{\n\n return query(lson,l,mid)+query(rson,mid+1,r);\n\n }\n\n }\n\n}\n\nint check(int x){\n\n long long ans=0;\n\n memset(sum,0,sizeof(sum));\n\n for(int i=1;i<=n;i++){\n\n sum[i]=sum[i-1]+((a[i]<=x)?1:-1);\n\n }\n\n for(int i=0;i<=n;i++){\n\n sum[i]+=n+1;\n\n }\n\n build(1,1,200010);\n\n for(int i=0;i<=n;i++){\n\n ans+=query(1,1,sum[i]-1);\n\n update(1,sum[i]);\n\n }\n\n return ans>=1ll*n*(n+1)/4+1;\n\n}\n\nint main(){\n\n scanf(\"%d\",&n);\n\n for(int i=1;i<=n;i++){\n\n scanf(\"%d\",&a[i]);\n\n }\n\n int l=1,r=1e9,mid;\n\n while(l<=r){\n\n mid=(l+r)>>1;\n\n if(check(mid)){\n\n r=mid;\n\n }\n\n else{\n\n l=mid+1;\n\n }\n\n if(r-l<=1) {\n\n mid=check(l)?l:r;\n\n break;\n\n }\n\n }\n\n printf(\"%d\\n\",mid);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002179"}118{"label": "pie_cpp_test_002180", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 39, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 39, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002180.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002180", "task_path": "tasks/test/pie_cpp_test_002180.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int N = 1e5 + 100, inF = 1e9 + 100;\n\n\n\nll n, a[N], ps[N];\n\nunordered_map<int, int> cnt;\n\n\n\nll check(ll num) {\n\n\tll res = 0, now = 0;\n\n\tcnt.clear();\n\n\tcnt[0] = 1;\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\tps[i] = (i? ps[i - 1]: 0) + (a[i] <= num? 1: -1);\n\n\t\tif(a[i] <= num)\n\n\t\t\tnow += cnt[ps[i] - 1];\n\n\t\telse\n\n\t\t\tnow -= cnt[ps[i]];\n\n\t\tcnt[ps[i]]++;\n\n\t\tres += now;\n\n\t}\n\n\treturn res;\n\n}\n\n\n\nint main() {\n\n\tios::sync_with_stdio(false), cin.tie(0);\n\n\tcin >> n;\n\n\tfor (int i = 0; i < n; i++)\n\n\t\tcin >> a[i];\n\n\tll want = (n + 1) * n / 4 + 1;\n\n\tll l = 0, r = inF;\n\n\twhile(r - l > 1) {\n\n\t\tll c = (l + r) >> 1;\n\n\t\tif(check(c) >= want)\n\n\t\t\tr = c;\n\n\t\telse\n\n\t\t\tl = c;\n\n\t}\n\n\tcout << r;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002180"}119{"label": "pie_cpp_test_002181", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 74, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 74, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002181.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002181", "task_path": "tasks/test/pie_cpp_test_002181.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n#include<ctype.h>\n\n#include<string.h>\n\n#include<algorithm>\n\n#define il inline\n\n#define rg register\n\n#define lowbit(x) (x&(-x))\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int O=100010;\n\nil int gi(){\n\n\trg int o=0,fl=1;char ch=getchar();\n\n\twhile(!isdigit(ch)&&ch!='-')ch=getchar();\n\n\tif(ch=='-')fl=-1,ch=getchar();\n\n\twhile(isdigit(ch))o=o*10+ch-'0',ch=getchar();\n\n\treturn o*fl;\n\n}\n\nll n,a[O],tree[O<<1],sum[O],l=0x3f3f3f3f,r,ans;\n\nil void add(int x,ll v){\n\n\tfor(;x<=2e5;x+=lowbit(x))tree[x]+=v;\n\n}\n\nil int query(int x){\n\n\tint tot=0;\n\n\tfor(;x;x-=lowbit(x))tot+=tree[x];\n\n\treturn tot;\n\n}\n\nil bool check(int x){\n\n\tmemset(tree,0,sizeof(tree));\n\n\tans=0;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tsum[i]=sum[i-1]+(a[i]>=x?1:-1);\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tans+=query(sum[i]+O);\n\n\t\tadd(sum[i]+O,1ll);\n\n\t}\n\n\treturn ans>=n*(n+1)>>2;\n\n}\n\nint main( ){\n\n\tn=gi();\n\n\tfor(int i=1;i<=n;++i){\n\n\t\ta[i]=gi();\n\n\t\tl=min(l,a[i]);\n\n\t\tr=max(r,a[i]);\n\n\t}\n\n#define mid (l+r>>1)\n\n\twhile(l<=r)\n\n\t\tif(check(mid))l=mid+1;\n\n\t\telse r=mid-1;\n\n#undef mid\n\n\tprintf(\"%lld\\n\",r);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002181"}120{"label": "pie_cpp_test_002182", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 93, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 93, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002182.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002182", "task_path": "tasks/test/pie_cpp_test_002182.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#define int long long\n\nusing namespace std;\n\nint a[1000001],n,ans;\n\nint s[1000001],c[5000001];\n\nint lowbit(int x)\n\n{\n\n\treturn x&(-x);\n\n}\n\nvoid add(int x,int d)\n\n{\n\n\tfor (;x<=n*4;x+=lowbit(x))\n\n\t\tc[x]+=d;\n\n\treturn;\n\n}\n\nint sum(int x)\n\n{\n\n\tans=0;\n\n\tfor (;x>=1;x-=lowbit(x))\n\n\t\tans+=c[x];\n\n\treturn ans;\n\n}\n\nbool check(int x)\n\n{\n\n\tfor (int i=1;i<=n*4;++i)\n\n\t\tc[i]=0;\n\n\ts[0]=0;\n\n\tint res=0;\n\n\tfor (int i=1;i<=n;++i)\n\n\t{\n\n\t\tif (a[i]>=x)\n\n\t\t\ts[i]=s[i-1]+1;\n\n\t\telse\n\n\t\t\ts[i]=s[i-1]-1;\n\n\t}\n\n\tfor (int i=0;i<=n;++i)\n\n\t{\n\n\t\tres+=sum(s[i]+n+1);\n\n\t\tadd(s[i]+n+1,1);\n\n\t}\n\n\treturn res>=(n+1)*n/4;\n\n}\n\nsigned main()\n\n{\n\n\tint first,last,mid,ans=-(1e+9),minn=1e+9,maxn=-(1e+9);\n\n\tcin>>n;\n\n\tfor (int i=1;i<=n;++i)\n\n\t{\n\n\t\tcin>>a[i];\n\n\t\tmaxn=max(maxn,a[i]);\n\n\t\tminn=min(minn,a[i]);\n\n\t}\n\n\tfirst=minn;\n\n\tlast=maxn;\n\n\tans=minn;\n\n\twhile (first<=last)\n\n\t{\n\n\t\tmid=(first+last)/2;\n\n\t\tif (check(mid))\n\n\t\t{\n\n\t\t\tans=max(ans,mid);\n\n\t\t\tfirst=mid+1;\n\n\t\t}\n\n\t\telse\n\n\t\t\tlast=mid-1;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002182"}121{"label": "pie_cpp_test_002183", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 87, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 87, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002183.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002183", "task_path": "tasks/test/pie_cpp_test_002183.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing ll = long long;\n\nusing std::abs, std::min, std::max;\n\nconst int maxn = 1e5 + 3;\n\n\n\nstruct dmt {\n\n ll a[maxn * 2]; int l;\n\n void add(const ll &x) {\n\n a[l++] = x;\n\n }\n\n void init() {\n\n std::sort(a, a + l);\n\n l = std::unique(a, a + l) - a;\n\n }\n\n void clear() {\n\n l = 0;\n\n }\n\n int query(const ll &x) {\n\n return std::lower_bound(a, a + l, x) - a;\n\n }\n\n} dm, dmb;\n\nstruct fenwick {\n\n ll a[maxn]; int l;\n\n void clear(int x) {\n\n l = x;\n\n memset(a, 0, sizeof(*a) * (l + 1));\n\n }\n\n void add(int x, const ll &y) {\n\n for(int i = std::max(1, x + 1); i <= l; i += i & -i)\n\n a[i] += y;\n\n }\n\n ll query(int x) {\n\n ll ans = 0;\n\n for(int i = std::min(x + 1, l); i > 0; i -= i & -i)\n\n ans += a[i];\n\n return ans;\n\n }\n\n} fw;\n\nstruct pt {\n\n ll x, y, z;\n\n} d[maxn];\n\nint dl;\n\nll solve2dcnt(int l, int r, const ll &qz) {\n\n dm.clear();\n\n for(int i = l; i < r; ++i) {\n\n dm.add(d[i].x);\n\n dm.add(d[i].x - 1);\n\n }\n\n dm.init();\n\n for(int i = l; i < r; ++i)\n\n d[i].x = dm.query(d[i].x);\n\n fw.clear(dm.l);\n\n ll ans = 0;\n\n std::sort(d + l, d + r, [](const pt &u, const pt &v) {\n\n return u.y < v.y;\n\n });\n\n for(int i = l, j = l; i < r; ++i) {\n\n while(j < r && d[j].y < d[i].y) {\n\n // if(d[j].z < qz)\n\n fw.add(d[j].x, 1);\n\n j += 1;\n\n }\n\n // if(d[j].z >= qz)\n\n ans += fw.query(d[i].x - 1);\n\n }\n\n return ans;\n\n}\n\nll solve3dcnt(ll zl, ll zr, int l, int r) {\n\n if(r - l <= 0 || zr - zl <= 0)\n\n return 0;\n\n ll zmid = (zl + zr) / 2;\n\n ll ans = 0;\n\n ans += solve2dcnt(l, r, zmid);\n\n int mid = std::partition(d + l, d + r, [zmid](const pt &u) {\n\n return u.z < zmid;\n\n }) - d;\n\n ans += solve3dcnt(zl, zmid, l, mid);\n\n ans += solve3dcnt(zmid, zr, mid, r);\n\n return ans;\n\n}\n\n\n\nint n, a[maxn];\n\n\n\nbool check(int x) {\n\n dl = 0;\n\n d[dl++] = {0, 0, 0};\n\n for(int i = 0; i < n; ++i) {\n\n if(a[i] <= x)\n\n d[dl] = {dl, d[dl - 1].y + 1, 0};\n\n else\n\n d[dl] = {dl, d[dl - 1].y - 1, 0};\n\n dl += 1;\n\n }\n\n ll ans = solve2dcnt(0, dl, 0);\n\n return ans >= (n + 1ll) * (ll)(n) / 2ll / 2ll + 1ll;\n\n}\n\n\n\nint main() {\n\n scanf(\"%d\", &n);\n\n for(int i = 0; i < n; ++i) {\n\n scanf(\"%d\", a + i);\n\n dmb.add(a[i]);\n\n }\n\n dmb.init();\n\n int l = 0, r = dmb.l;\n\n while(r - l > 1) {\n\n int mid = (l + r) / 2;\n\n if(check(dmb.a[dmb.l - 1 - mid]))\n\n l = mid;\n\n else\n\n r = mid;\n\n }\n\n printf(\"%lld\\n\", dmb.a[dmb.l - 1 - l]);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002183"}122{"label": "pie_cpp_test_002184", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 66, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 66, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002184.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002184", "task_path": "tasks/test/pie_cpp_test_002184.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconst int N = 110000;\n\n\n\nint a[N], sum[N];\n\nint BIT[3 * N];\n\n\n\nint main() {\n\n\t\n\n\tios::sync_with_stdio(0);\n\n\tcin.tie(0), cout.tie(0);\n\n\t\n\n\tint n; cin >> n;\n\n\tfor (int i = 1; i <= n; i++) cin >> a[i];\n\n\t\n\n\tint st = 0, en = 1e9, mid, ans = en;\n\n\t\n\n\tauto add = [&](int u, int v) {\n\n\t\tfor (int i = u; i <= 3 * (n + 1); i += i & -i) BIT[i] += v;\n\n\t};\n\n\t\n\n\tauto get = [&](int u) {\n\n\t\tint ret = 0;\n\n\t\tfor (int i = u; i > 0; i -= i & -i) ret += BIT[i];\n\n\t\treturn ret;\n\n\t};\n\n\t\n\n\tauto can = [&](int mid) {\n\n\t\tsum[0] = 0;\n\n\t\tfor (int i = 1; i <= n; i++) sum[i] = sum[i - 1] + 2 * (a[i] <= mid);\n\n\t\tfor (int i = 0; i <= 3 * (n + 1); i++) BIT[i] = 0;\n\n\t\tlong long cnt = 0;\n\n\t\tadd(0 + n + 1, 1);\n\n\t\tfor (int i = 1; i <= n; i++) {\n\n\t\t\tcnt += get(sum[i] - i + n);\n\n\t\t\tadd(sum[i] - i + n + 1, 1);\n\n\t\t}\n\n\t\treturn cnt * 2 > (long long)n * (n + 1) / 2;\n\n\t};\n\n\t\n\n\twhile (st <= en) {\n\n\t\tmid = st + en >> 1;\n\n\t\tif (can(mid)) ans = mid, en = mid - 1;\n\n\t\telse st = mid + 1;\n\n\t}\n\n\tcout << ans << \"\\n\";\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002184"}123{"label": "pie_cpp_test_002185", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 135, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 135, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002185.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002185", "task_path": "tasks/test/pie_cpp_test_002185.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define rep(i,n) for(ll i=0,i##_cond=(n);i<i##_cond;++i)\n\n#define all(a) (a).begin(),(a).end()\n\nusing ll = long long;\n\nusing vi = vector<ll>;\n\nusing pii = pair<ll,ll>;\n\n#define int ll\n\n\n\nint n;\n\nvi a;\n\n\n\ntemplate<typename T> class BIT{\n\n vector<T> vec;\n\n const ll n;\n\n \n\npublic:\n\n BIT(T _n) : vec(_n + 1), n(_n) {}\n\n\n\n T query(ll x) { /* query for [1, x] */\n\n T ret = 0;\n\n for(ll i = x; i > 0; i -= i & (-i)) ret += vec[i];\n\n return ret;\n\n }\n\n\n\n void update(ll x, T k) { /* update for [1, x] */\n\n for(ll i = x; i <= n; i += i & (-i)) vec[i] += k;\n\n }\n\n};\n\n\n\nbool solve(int mid){\n\n vi s(n+1);\n\n map<pii,int> mp; // \u8ee2\u5012\u6570\u306f1~n\u3067\u306a\u3044\u3068\u3044\u3051\u306a\u3044?\n\n rep(i,n){\n\n s[i+1] = (a[i] >= mid) ? 1 : -1;\n\n s[i+1] += s[i];\n\n mp[pii(s[i+1],i+1)];\n\n }\n\n { \n\n int i = 1;\n\n for(auto &x : mp){\n\n x.second = i;\n\n i++;\n\n }\n\n }\n\n\n\n BIT<ll> bit(n*3);\n\n int inv = 0;\n\n rep(i,n+1){\n\n // cout << i << endl;\n\n inv += bit.query(s[i]+n*2);\n\n bit.update(s[i]+n*2, 1);\n\n }\n\n\n\n int tmp = (n+1) * n / 2;\n\n // cout << (inv >= (tmp+1)/2) << endl;\n\n if(inv >= (tmp+1) / 2) return true;\n\n else return false;\n\n}\n\n\n\nint bs(int _ok, int _ng){\n\n int ok = _ok;\n\n int ng = _ng;\n\n\n\n while(abs(ok - ng) > 1){\n\n int mid = (ok + ng) / 2;\n\n if(solve(mid)){\n\n ok = mid;\n\n }else{\n\n ng = mid;\n\n }\n\n }\n\n return ok;\n\n}\n\n\n\nmain(){\n\n cin >> n;\n\n a.resize(n); rep(i,n) cin >> a[i];\n\n int ans = bs(0,1e9+1);\n\n cout << ans << endl;\n\n sort(all(a));\n\n //cout << *upper_bound(all(a),ans) << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002185"}124{"label": "pie_cpp_test_002186", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 106, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 106, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002186.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002186", "task_path": "tasks/test/pie_cpp_test_002186.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\n#define all(a) (a).begin(), (a).end()\n\n\n\nusing namespace std;\n\nusing i64 = long long;\n\nusing vi64 = vector<i64>;\n\n\n\ni64 n;\n\nvi64 a;\n\n\n\ni64 cnt;\n\nvi64 merge(vi64 &v, int l, int r) {\n\n vi64 ret;\n\n if (l + 1 == r) {\n\n ret.push_back(v[l]);\n\n return ret;\n\n }\n\n vi64 a = merge(v, l, (l + r) / 2);\n\n vi64 b = merge(v, (l + r) / 2, r);\n\n int ai = 0, bi = 0;\n\n rep(i, r - l) {\n\n if (bi == b.size()) {\n\n ret.push_back(a[ai++]);\n\n cnt += bi;\n\n } else if (ai == a.size()) {\n\n ret.push_back(b[bi++]);\n\n } else {\n\n if (a[ai] <= b[bi]) {\n\n ret.push_back(a[ai++]);\n\n cnt += bi;\n\n } else {\n\n ret.push_back(b[bi++]);\n\n }\n\n }\n\n }\n\n return ret;\n\n}\n\n\n\nbool check(i64 md) {\n\n vi64 v(n), s(n + 1);\n\n cnt = 0;\n\n rep(i, n) {\n\n if (a[i] >= md) v[i] = 1;\n\n else v[i] = -1;\n\n }\n\n rep(i, n) {\n\n s[i + 1] += s[i] + v[i];\n\n }\n\n merge(s, 0, n + 1);\n\n return n * (n + 1) / 4 >= cnt;\n\n}\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n cout << fixed << setprecision(16);\n\n cerr << fixed << setprecision(16);\n\n cin >> n;\n\n a = vi64(n);\n\n rep(i, n) cin >> a[i];\n\n i64 ok = *min_element(all(a)), ng = *max_element(all(a)) + 1;\n\n while (ng - ok > 1) {\n\n i64 md = (ok + ng) / 2;\n\n if (check(md)) {\n\n ok = md;\n\n } else {\n\n ng = md;\n\n }\n\n }\n\n cout << ok << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002186"}125{"label": "pie_cpp_test_002187", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 347, "hidden_test_count": 1, "problem_id": "p03275", "reference_metric": "runtime_cpu_ns", "reference_value": 347, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002187.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002187", "task_path": "tasks/test/pie_cpp_test_002187.json", "visible_test_count": 1}, "problem_id": "p03275", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n10 30 20\n\nExpected output:\n30\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef vector<int> VI;\n\ntypedef vector<VI> VVI;\n\ntypedef vector<long long> VL;\n\ntypedef vector<vector<long long>> VVL;\n\ntypedef pair<int,int> P;\n\ntypedef tuple<int,int,int> tpl;\n\n\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define SORT(c) sort((c).begin(),(c).end())\n\n#define REVERSE(c) reverse((c).begin(),(c).end())\n\n#define EXIST(m,v) (m).find((v)) != (m).end()\n\n#define LB(a,x) lower_bound((a).begin(), (a).end(), x) - (a).begin()\n\n#define UB(a,x) upper_bound((a).begin(), (a).end(), x) - (a).begin()\n\n\n\n#define FOR(i,a,b) for(int i=(a);i<(b);++i)\n\n#define REP(i,n) FOR(i,0,n)\n\n#define RFOR(i,a,b) for(int i=(a)-1;i>=(b);--i)\n\n#define RREP(i,n) RFOR(i,n,0)\n\n\n\n#define en \"\\n\"\n\n\n\nconstexpr double EPS = 1e-9;\n\nconstexpr double PI = 3.1415926535897932;\n\nconstexpr int INF = 2147483647;\n\nconstexpr long long LINF = 1LL<<60;\n\nconstexpr long long MOD = 1000000007; // 998244353;\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\ntemplate<typename T>\n\nstruct BIT{\n\n private:\n\n using Func = function<T(T, T)>;\n\n\n\n int n;\n\n vector<T> node;\n\n\n\n T init_v;\n\n Func func;\n\n\n\n public:\n\n\n\n BIT(int N, Func _func, T _init_v) {\n\n n = N + 1;\n\n init_v = _init_v;\n\n func = _func;\n\n\n\n node.resize(n, init_v);\n\n for(int i=1; i<n; i++) if((i+(i&-i)) < n) node[i+(i&-i)] = func(node[i+(i&-i)], node[i]);\n\n }\n\n\n\n BIT() {}\n\n\n\n void add(int pos, T v) {\n\n // 1-indexed\n\n while(pos < n){\n\n node[pos] = func(node[pos], v);\n\n pos += pos & -pos;\n\n }\n\n }\n\n\n\n T sum(int pos){\n\n // 1-indexed\n\n T res = init_v;\n\n while(pos > 0){\n\n res = func(res, node[pos]);\n\n pos = pos & (pos-1);\n\n }\n\n return res;\n\n }\n\n};\n\n\n\ntemplate<class T>\n\nvoid compress(vector<T> &v){\n\n vector<T> w(v);\n\n sort(w.begin(), w.end());\n\n\tw.erase(unique(w.begin(), w.end()), w.end());\n\n\n\n int N = v.size(), K = w.size();\n\n map<T,int> m; REP(i,K) m[w[i]] = i;\n\n\n\n REP(i,N) v[i] = m[v[i]];\n\n}\n\n\n\nvoid Main(){\n\n ll N; cin >> N;\n\n VI a(N); REP(i,N) cin >> a[i];\n\n\n\n int l = 0, r = INF;\n\n while(r-l>1){\n\n int x = (l+r)/2;\n\n int mn = 0;\n\n VI s(N+1,0);\n\n REP(i,N) s[i+1] = a[i]<x ? s[i]-1 : s[i]+1;\n\n compress(s);\n\n\n\n BIT<int> bit(N+1,[](int a,int b){return a+b;},0);\n\n\n\n bit.add(s[0]+1,1);\n\n ll cnt = 0;\n\n REP(i,N){\n\n cnt += bit.sum(s[i+1]+1);\n\n bit.add(s[i+1]+1,1);\n\n }\n\n\n\n if(cnt >= (N*(N+1)/2 + 1)/2) l = x;\n\n else r = x;\n\n }\n\n cout << l << en;\n\n return;\n\n}\n\n\n\nint main(void){\n\n cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);cout<<fixed<<setprecision(15);\n\n int t=1; //cin>>t;\n\n REP(_,t) Main();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002187"}126{"label": "pie_cpp_test_002487", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002487.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002487", "task_path": "tasks/test/pie_cpp_test_002487.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nint n;\n\nint sta[40],tot;\n\nint a[40];\n\nint main(){\n\n scanf(\"%d\",&n);\n\n while(n){\n\n sta[++tot]=n%10,n/=10;\n\n }\n\n ll ans=0;\n\n for(int mask=0;mask<(1<<(tot*2-1));mask++){\n\n for(int i=1;i<=tot*2;i++)a[i]=sta[i];\n\n for(int i=0;i<tot*2-1;i++){\n\n if(mask>>i&1)a[i+1]-=10,a[i+2]+=1;\n\n }\n\n ll res=1;\n\n int s=1;\n\n while(s<=tot*2&&a[s]==0)s++;\n\n int t=tot*2;\n\n while(t>=s&&a[t]==0)t--;\n\n\n\n bool f=true;\n\n for(int i=s;i<=t;i++)if(a[i]+a[s+t-i])f=false;\n\n for(int i=s;i<=t;i++)if(a[i]<-9||a[i]>9)f=false;\n\n if(a[t]<0)f=false;\n\n if(f==false)continue;\n\n for(int i=1;i<=(s+t)/2;i++){\n\n if(i==1)res*=9-abs(a[i]);\n\n else res*=10-abs(a[i]);\n\n }\n\n /*\n\n cout<<mask<<endl;\n\n cout<<s<<' '<<t<<endl;\n\n for(int i=s;i<=t;i++)cout<<a[i]<<' ';\n\n cout<<endl;\n\n */\n\n ans+=res;\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002487"}127{"label": "pie_cpp_test_002488", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002488.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002488", "task_path": "tasks/test/pie_cpp_test_002488.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n// \u89e3\u304d\u76f4\u3057.\n\n// https://img.atcoder.jp/arc075/editorial.pdf\n\n// C++(GCC 9.2.1)\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing LL = long long;\n\n#define repex(i, a, b, c) for(int i = a; i < b; i += c)\n\n#define repx(i, a, b) repex(i, a, b, 1)\n\n#define rep(i, n) repx(i, 0, n)\n\n#define repr(i, a, b) for(int i = a; i >= b; i--)\n\nLL p10[20];\n\n\n\nint main(){\n\n \n\n // 1. \u5165\u529b\u60c5\u5831.\n\n LL D;\n\n scanf(\"%lld\", &D);\n\n \n\n // 2. 10 \u306e \u51aa\u4e57.\n\n p10[0] = 1;\n\n rep(i, 19) p10[i + 1] = p10[i] * 10LL;\n\n // rep(i, 19) printf(\"%lld\\n\", p10[i]);\n\n \n\n // 3. D \u306e \u6841\u6570.\n\n string strLD = to_string(D);\n\n int LD = strLD.size();\n\n \n\n // 4. L \u306b\u5bfe\u5fdc\u3059\u308b f(L, d) = D \u3092 \u8a08\u7b97.\n\n // d[i] = n[i] - n[L - 1 - i] \u306b\u3064\u3044\u3066, \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u91c8\u3092\u8ffd\u52a0\u3059\u308b.\n\n // d[i] \u306e \u5024 \u306b\u3064\u3044\u3066, n[L - 1] \u304c 0 \u3067\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066, \n\n // \u2460 i = 0 \u306e \u5834\u5408(\u203b 9 - d[i] \u901a\u308a).\n\n // 0 \u2026 (1, 1), (2, 2), ..., (9, 9) \u306e 9\u901a\u308a.\n\n // 1 \u2026 (2, 1), (3, 2), ..., (9, 8) \u306e 8\u901a\u308a.\n\n // ...\n\n // 8 \u2026 (9, 1) \u306e 1\u901a\u308a.\n\n // 9 \u2026 0\u901a\u308a.\n\n // \n\n // \u2461 i > 0 \u306e \u5834\u5408(\u203b 10 - d[i] \u901a\u308a).\n\n // 0 \u2026 (0, 0), (2, 2), ..., (9, 9) \u306e 10\u901a\u308a.\n\n // 1 \u2026 (1, 0), (2, 1), ..., (9, 8) \u306e 9\u901a\u308a.\n\n // ...\n\n // 8 \u2026 (9, 1), (8, 0) \u306e 2\u901a\u308a.\n\n // 9 \u2026 (9, 0) \u306e 1\u901a\u308a.\n\n // d[i] < 0 \u306e \u5834\u5408\u3082, \u7d76\u5bfe\u5024\u3092\u53d6\u3063\u3066, d[i] > 0 \u306e \u30d1\u30bf\u30fc\u30f3\u306b\u5e30\u7740.\n\n function<LL(LL, int, int, int, LL)> f = [&](LL dif, int L, int i, int u, LL ret) {\n\n // 4-1. \u7d42\u4e86\u6761\u4ef6.\n\n if(u < i){\n\n // i \u306e 2\u500d \u304c L \u672a\u6e80 \u306e \u5834\u5408, 10\u500d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3088\u3046\u306b\u898b\u3048\u308b.\n\n LL d = (i * 2 < L) ? 10LL : 1LL;\n\n if(dif == 0) return ret * d;\n\n else return 0LL;\n\n }\n\n \n\n // 4-2. 10 \u306e \u51aa\u4e57.\n\n LL tP10 = p10[L - 1 - i] - p10[i];\n\n \n\n // 4-3. d[i] \u306e \u5024 \u3092 \u691c\u8a0e.\n\n LL q = abs(dif) / tP10;\n\n // printf(\"1. L=%d i=%d u=%d tP10=%lld q=%lld dif=%lld\\n\", L, i, u, tP10, q, dif);\n\n \n\n // 4-4. D \u304b\u3089 \u96e2\u308c\u3059\u304e\u3066\u3044\u308b\u5834\u5408.\n\n if(q > 9){\n\n // printf(\"2. Too far away: i=%d u=%d tP10=%lld q=%lld dif=%lld\\n\", i, u, tP10, q, dif);\n\n return 0LL;\n\n }\n\n \n\n // 4-5. dif \u306e \u6b63\u8ca0 \u3067 \u5206\u5c90.\n\n int sign = (dif >= 0) ? 1 : -1;\n\n LL dx = (LL)(10 - q - (i == 0)); // dif \u304c 0 \u4ee5\u4e0a \u304b 0\u672a\u6e80\u304b.\n\n LL dif1 = dif - tP10 * q * sign;\n\n LL dif2 = dif - tP10 * (q + 1) * sign;\n\n // printf(\"3. dif >= 0 i=%d dif=%lld dif1=%lld dif2=%lld\\n\", i, dif, dif1, dif2);\n\n if(q < 9) return f(dif1, L, i + 1, u, ret * dx) + f(dif2, L, i + 1, u, ret * (dx - 1LL));\n\n else return f(dif1, L, i + 1, u, ret * dx);\n\n return 0LL;\n\n };\n\n LL ans = 0LL;\n\n repx(L, LD, LD * 2 + 1){\n\n // \u4e0a\u9650.\n\n int uppper = (L / 2) - 1;\n\n \n\n // dif = D - \u03a3((10 \u306e (L - 1 - j)\u4e57 - 10 \u306e j\u4e57) * d[j]) \u306e \u8a08\u7b97.\n\n // \u203b \u89e3\u8aac\u4e0a, N - *** \u3068\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u304c, N \u3092 D \u306b \u8aad\u307f\u66ff\u3048\u3066\u3044\u308b.\n\n ans += f(D, L, 0, uppper, 1LL);\n\n }\n\n \n\n // 5. \u51fa\u529b.\n\n printf(\"%lld\\n\", ans);\n\n return 0;\n\n \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002488"}128{"label": "pie_cpp_test_002489", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002489.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002489", "task_path": "tasks/test/pie_cpp_test_002489.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n#define REP(i,n) for(int i=0,_n=(int)(n);i<_n;++i)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define CLR(t,v) memset(t,(v),sizeof(t))\n\ntemplate<class T1,class T2>ostream& operator<<(ostream& os,const pair<T1,T2>&a){return os<<\"(\"<<a.first<<\",\"<<a.second<< \")\";}\n\ntemplate<class T>void pv(T a,T b){for(T i=a;i!=b;++i)cout<<(*i)<<\" \";cout<<endl;}\n\ntemplate<class T>void chmin(T&a,const T&b){if(a>b)a=b;}\n\ntemplate<class T>void chmax(T&a,const T&b){if(a<b)a=b;}\n\n\n\nll nextLong() { ll x; scanf(\"%lld\", &x); return x;}\n\n\n\nll rev(ll n) {\n\n ll res = 0;\n\n while (n > 0) {\n\n int r = n % 10;\n\n res = res * 10 + r;\n\n n /= 10;\n\n }\n\n return res;\n\n}\n\n\n\nbool check(ll N, ll D) {\n\n return rev(N) == N + D;\n\n}\n\n\n\nll ways0(int m) {\n\n if (m < 0) return 0;\n\n return 9-m;\n\n}\n\n\n\nll ways(int m) {\n\n return 10-abs(m);\n\n}\n\n\n\nll ten[20];\n\nll total = 0;\n\nvoid rec(ll L, ll R, ll D, ll curr) {\n\n if (curr == 0) return;\n\n\n\n if (L == R) {\n\n if (D == 0) {\n\n total += curr * 10;\n\n }\n\n return;\n\n }\n\n if (L < R) {\n\n if (D == 0) {\n\n total += curr;\n\n }\n\n return;\n\n }\n\n\n\n ll C = ten[L] - ten[R];\n\n if (D < -C*10 || C*10 < D) return;\n\n if (R == 0) {\n\n for (int a = 0; a <= 9; a++) {\n\n rec(L-1, R+1, D - (ten[L]-ten[R]) * a, curr * ways0(a));\n\n }\n\n\n\n } else {\n\n for (int a = -9; a <= 9; a++) {\n\n rec(L-1, R+1, D - (ten[L]-ten[R]) * a, curr * ways(a));\n\n }\n\n }\n\n}\n\n\n\nll solve(ll D, ll k) {\n\n if (k <= 6) {\n\n ll res = 0;\n\n for (int n = ten[k-1]; n < ten[k]; n++) {\n\n if (check(n, D)) ++res;\n\n }\n\n return res;\n\n }\n\n total = 0;\n\n rec(k-1, 0, D, 1);\n\n return total;\n\n\n\n}\n\n\n\nint main2() {\n\n ll D = nextLong();\n\n ll ans = 0;\n\n for (int k = 1; k <= 18; k++) {\n\n ans += solve(D, k);\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n\n\n\nint main() {\n\n\n\n ten[0] = 1;\n\n for (int i = 1; i < 20; i++) ten[i] = ten[i-1] * 10;\n\n\n\n#ifdef LOCAL\n\n for (;!cin.eof();cin>>ws)\n\n#endif\n\n main2();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002489"}129{"label": "pie_cpp_test_002490", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002490.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002490", "task_path": "tasks/test/pie_cpp_test_002490.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define SZ(v) ((int)(v).size())\n\n#define zero(v) memset(v,0,sizeof(v))\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n#define foreach(it,c) for(__typeof(c.begin()) it=c.begin();it!=c.end();it++)\n\n#define all(v) (v).begin(),(v).end()\n\ntemplate<typename T>inline bool chkmin(T &a,const T &b){return a>b?a=b,1:0;}\n\ntemplate<typename T>inline bool chkmax(T &a,const T &b){return a<b?a=b,1:0;}\n\ntypedef long long ll;\n\ntypedef unsigned uint;\n\nconst int INF=0x3f3f3f3f;\n\nconst double EPS=1e-10;\n\ntypedef pair<int,int> pii;\n\nint inline in(){int x=0,c;for(;(uint)((c=getchar())-'0')>=10;)\n\n{if(c=='-')return -in();if(!~c)throw ~0;}do{x=(x<<3)+(x<<1)+(c-'0');}\n\nwhile((uint)((c=getchar())-'0')<10);return x;}\n\nll D;\n\nll pw[20];\n\nll dx1[20],dx2[20];\n\nvector<ll>v;\n\n\n\nvoid dfs(int s,int e,vector<pair<ll,ll> >&w,ll val,ll cnt){\n\n\tif(s==e){\n\n\t\tw.push_back(make_pair(val,cnt));\n\n\t\treturn;\n\n\t}\n\n\tfor(int i=-9;i<=9;i++){\n\n\t\tdfs(s+1,e,w,val+v[s]*i,cnt*(s==0?dx2[i+10]:dx1[i+10]));\n\n\t}\n\n}\n\n\n\nll solve(int len){\n\n\tv.clear();\n\n\tfor(int i=0;len-1-i>i;i++){\n\n\t\tv.push_back(pw[len-1-i]-pw[i]);\n\n\t}\n\n\t\n\n\tvector<pair<ll,ll> >v1,v2;\n\n\tdfs(0,SZ(v)/2,v1,0LL,1LL);\n\n\tdfs(SZ(v)/2,SZ(v),v2,0LL,1LL);\n\n\t\n\n\tmap<ll,ll>mp;\n\n\tfor(int i=0;i<SZ(v1);i++){\n\n\t\tmp[v1[i].first]+=v1[i].second;\n\n\t}\n\n\tll ans=0;\n\n\tfor(int i=0;i<SZ(v2);i++){\n\n\t\tans+=mp[D-v2[i].first]*v2[i].second;\n\n\t}\n\n\tif(len%2)ans*=10LL;\n\n\treturn ans;\n\n}\n\n\n\nint main(){\n\n\tcin>>D;\n\n\tif(D%9!=0){\n\n\t\tcout<<0<<endl;\n\n\t\treturn 0;\n\n\t}\n\n\tfor(int i=0;i<10;i++){\n\n\t\tfor(int j=0;j<10;j++){\n\n\t\t\tdx1[i-j+10]++;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<10;i++){\n\n\t\tfor(int j=1;j<10;j++){\n\n\t\t\tdx2[i-j+10]++;\n\n\t\t}\n\n\t}\n\n\t\n\n\tpw[0]=1;\n\n\tfor(int i=1;i<20;i++)pw[i]=pw[i-1]*10;\n\n\t\n\n\tll ans=0;\n\n\tfor(int i=2;i<=18;i++)ans+=solve(i);\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002490"}130{"label": "pie_cpp_test_002491", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002491.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002491", "task_path": "tasks/test/pie_cpp_test_002491.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define SZ(v) ((int)(v).size())\n\n#define zero(v) memset(v,0,sizeof(v))\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n#define foreach(it,c) for(__typeof(c.begin()) it=c.begin();it!=c.end();it++)\n\n#define all(v) (v).begin(),(v).end()\n\ntemplate<typename T>inline bool chkmin(T &a,const T &b){return a>b?a=b,1:0;}\n\ntemplate<typename T>inline bool chkmax(T &a,const T &b){return a<b?a=b,1:0;}\n\ntypedef long long ll;\n\ntypedef unsigned uint;\n\nconst int INF=0x3f3f3f3f;\n\nconst double EPS=1e-10;\n\ntypedef pair<int,int> pii;\n\nint inline in(){int x=0,c;for(;(uint)((c=getchar())-'0')>=10;)\n\n{if(c=='-')return -in();if(!~c)throw ~0;}do{x=(x<<3)+(x<<1)+(c-'0');}\n\nwhile((uint)((c=getchar())-'0')<10);return x;}\n\nll D;\n\nll pw[20],dx1[20],dx2[20];\n\nvector<ll>v;\n\n\n\nvoid dfs(int s,int e,ll val,ll cnt,ll &res){\n\n\tif(s==e){\n\n\t\tif(val==D){\n\n\t\t\tres+=cnt;\n\n\t\t}\n\n\t\treturn;\n\n\t}\n\n\tif(abs(val-D)>v[s]*20)return;\n\n\t\n\n\tfor(int i=-9;i<=9;i++){\n\n\t\tdfs(s+1,e,val+v[s]*i,cnt*(s==0?dx2[i+10]:dx1[i+10]),res);\t\n\n\t}\n\n}\n\n\n\nll solve(int n){\n\n\tv.clear();\n\n\tfor(int i=0;n-1-i>i;i++){\n\n\t\tv.push_back(pw[n-1-i]-pw[i]);\n\n\t}\n\n\tll res=0;\n\n\tdfs(0,SZ(v),0LL,1LL,res);\n\n\t\n\n\tif(n%2)res*=10LL;\n\n\treturn res;\n\n}\n\n\n\nint main(){\n\n\tcin>>D;\n\n\tif(D%9!=0){\n\n\t\tcout<<0<<endl;\n\n\t\treturn 0;\n\n\t}\n\n\tpw[0]=1;\n\n\tfor(int i=1;i<20;i++)pw[i]=pw[i-1]*10;\n\n\t\n\n\tfor(int i=0;i<10;i++){\n\n\t\tfor(int j=0;j<10;j++){\n\n\t\t\tdx1[i-j+10]++;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<10;i++){\n\n\t\tfor(int j=1;j<10;j++){\n\n\t\t\tdx2[i-j+10]++;\n\n\t\t}\n\n\t}\n\n\tll ans=0;\n\n\tfor(int i=2;i<=19;i++)ans+=solve(i);\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002491"}131{"label": "pie_cpp_test_002492", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002492.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002492", "task_path": "tasks/test/pie_cpp_test_002492.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n// \u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\n\n// \u2588\u2588\u2588\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2593\u2588\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\n\n// \u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2593\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2588\u2593\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2588\u2588\u2593\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2593\u2588\u2593\u2593\u2593\u2593\u2588\u2588\u2593\u2593\u2593\u2593\u2588\u2588\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2593\u2593\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2593\u256c\u2593\u256c\u256c\u2593\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2593\u2588\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2588\u2588\u2588\u2588\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2588\u2593\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2588\u2588\u2588\u256c\u2593\u2588\u2593\u2593\u256c\u256c\u256c\u2593\u2593\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2588\u2588\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u2593\u2593\u256c\u2593\u2593\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2588\u2588\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2593\u2593\u2593\u2593\u2593\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2593\u2593\u2593\u256c\u2593\u2588\u2588\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2588\u2593\u2593\u2593\u2593\u2588\u2588\u2588\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2588\u2588\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\n// \u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2593\u2593\u2593\u2588\u2588\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\u2588\n\n//#include \"grader.h\"\n\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <algorithm>\n\n#include <cstdio>\n\n#include <numeric>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <cstdlib>\n\n#include <set>\n\n#include <map>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#include <list>\n\n#include <cmath>\n\n#include <bitset>\n\n#include <cassert>\n\n#include <queue>\n\n#include <deque>\n\n#include <cassert>\n\n#define x first\n\n#define y second\n\n#define pb push_back\n\n#define mp make_pair\n\n#define read(FILENAME) assert(freopen((FILENAME + \".in\").c_str(), \"r\", stdin))\n\n#define write(FILENAME) assert(freopen((FILENAME + \".out\").c_str(), \"w\", stdout))\n\n#define files(FILENAME) read(FILENAME), write(FILENAME)\n\nusing namespace std;\n\ntemplate <typename A, typename B> void chkmin(A &x, B y) {if (x > y) x = y;}\n\ntemplate <typename A, typename B> void chkmax(A &x, B y) {if (x < y) x = y;}\n\n \n\ntypedef pair <int, int> point;\n\n \n\nconst string FILENAME = \"input\";\n\nconst int MAXN = 1e5, p = 1e9 + 7;\n\n\n\nlong long d;\n\n\n\nlong long powx[20];\n\nint kalc[2][20];\n\n\n\nbool check(long long A, long long B, long long C) {\n\n\tA += B;\n\n\tA %= C;\n\n\tif (A < 0) \n\n\t \tA += C;\n\n\t return A == 0;\n\n}\n\n\n\nlong long res(long long d, long long cnt, int L, int R) {\n\n\tif (R == L) return cnt * (long long)(d == 0) * 10;\n\n\tif (R < L) return cnt * (long long)(d == 0);\n\n\tlong long ans = 0;\n\n\tlong long q = powx[R] - powx[L];\n\n\tfor (int i = -9; i <= 9; ++i) {\n\n\t\tif (check(d, q * i, powx[L + 1])) {\n\n\t\t\tans += res(d + q * i, cnt * kalc[L != 0][10 - i], L + 1, R - 1);\n\n\t\t}\n\n\t}\n\n\treturn ans;\n\n}\n\n\n\nint main() {\n\n\t//read(FILENAME);\n\n\tios::sync_with_stdio(0);\n\n\tcin >> d;\n\n\tfor (int i = 0; i < 10; ++i) {\n\n\t\tfor (int j = 0; j < 10; ++j) {\n\n\t\t\tif (j != 0) ++kalc[0][10 + i - j];\n\n\t\t\t++kalc[1][10 + i - j];\n\n\t\t}\n\n\t}\n\n\tpowx[0] = 1;\n\n\tfor (int i = 0; i < 18; ++i) {\n\n\t\tpowx[i + 1] = powx[i] * 10;\n\n\t}\n\n\tlong long ans = 0;\n\n\tfor (int len = 1; len <= 18; ++len) {\n\n\t\tans += res(d, 1, 0, len - 1);\n\n\t}\n\n\tcout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002492"}132{"label": "pie_cpp_test_002493", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002493.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002493", "task_path": "tasks/test/pie_cpp_test_002493.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<vector>\n\n#define LL long long\n\n#define PI pair<LL,LL>\n\nusing namespace std;\n\nLL D,St1[25],St2[25],P[25];\n\nvector<LL>V;\n\nvoid DFS(LL L,LL R,vector<PI>& Rec,LL Val,LL Cnt){\n\n\tif(L==R){\n\n\t\tRec.push_back(PI(Val,Cnt));\n\n\t\treturn; \n\n\t}\n\n\tfor(LL I=-9;I<=9;I++) DFS(L+1,R,Rec,Val+I*V[L],Cnt*(L==0?St2[I+10]:St1[I+10]));\n\n}\n\nLL Solve(LL Len){\n\n\tV.clear();\n\n\tfor(LL I=0;Len-I-1>I;++I) V.push_back(P[Len-I-1]-P[I]);\n\n\tvector<PI>An1,An2;\n\n\tLL Res=0;\n\n\tDFS(0,(V.size()+1)/2,An1,0,1);\n\n\tDFS((V.size()+1)/2,V.size(),An2,0,1);\n\n\tmap<LL,LL>Mp; \n\n\tfor(LL I=0;I<An2.size();I++) Mp[An2[I].first]+=An2[I].second;\n\n\tfor(LL I=0;I<An1.size();I++) Res+=Mp[D+An1[I].first]*An1[I].second;\n\n\tif(Len&1) Res*=10;\n\n\treturn Res;\n\n}\n\nint main(){\n\n scanf(\"%lld\",&D);\n\n P[0]=1;\n\n for(LL I=1;I<=18;I++) P[I]=P[I-1]*10;\n\n for(LL I=0;I<=9;I++)\n\n \tfor(LL J=0;J<=9;J++){\n\n \t\tSt1[I-J+10]++;\n\n\t\t\tif(I) St2[I-J+10]++;\t\n\n\t\t}\n\n\tLL Ans=0;\n\n\tfor(LL I=1;I<=18;I++) Ans+=Solve(I);\n\n\tprintf(\"%lld\",Ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002493"}133{"label": "pie_cpp_test_002494", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002494.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002494", "task_path": "tasks/test/pie_cpp_test_002494.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cctype>\n\n#include<cstring>\n\n#include<algorithm>\n\nusing namespace std;\n\nint d[30],len,dp[30][30][30];\n\nint DP(int n){\n\n\tint ret=0;\n\n\tmemset(dp,0,sizeof(dp));\n\n\tdp[0][0][0]=1;\n\n\tfor(int i=0;i<(n>>1);i++)\n\n\t\tfor(int j=0;j<10;j++)\n\n\t\t\tfor(int k=0;k<10;k++)\n\n\t\t\t\tif(dp[i][j][k])\n\n\t\t\t\t\tfor(int x=0;x<10;x++){\n\n\t\t\t\t\t\tint l1=x+d[i+1]+k,y=l1%10,l2=10*j+x-y-d[n-i];\n\n\t\t\t\t\t\tl1/=10;\n\n \t\t\t\t\t\tif(l2<0||l2>9||(!i&&(!x||!y)))\n\n\t\t\t\t\t\t\tcontinue;\n\n\t\t\t\t\t\tdp[i+1][l2][l1]+=dp[i][j][k];\n\n\t\t\t\t\t}\n\n\tif(n&1){\n\n\t\tint mid=(n+1)>>1;\n\n\t\tfor(int i=0;i<10;i++)\n\n\t\t\tfor(int j=0;j<10;j++)\n\n\t\t\t\tif(dp[n>>1][i][j])\n\n\t\t\t\t\tfor(int x=0;x<10;x++){\n\n\t\t\t\t\t\tint y=x+d[mid]+j;\n\n\t\t\t\t\t\tif(x==y%10&&y/10==i)\n\n\t\t\t\t\t\t\tret+=dp[n>>1][i][j];\n\n\t\t\t\t\t}\n\n\t}\n\n\telse\n\n\t\tfor(int i=0;i<10;i++)\n\n\t\t\tret+=dp[n>>1][i][i];\n\n\treturn ret;\n\n}\n\nint getans(){\n\n\tint ret=0;\n\n\tfor(int i=max(2,len);i<=20;i++)\n\n\t\tret+=DP(i);\n\n\treturn ret;\n\n}\n\nvoid Input(){\n\n\tchar c;\n\n\tdo c=getchar();\n\n\twhile(!isdigit(c));\n\n\tdo{\n\n\t\td[++len]=c^48;\n\n\t\tc=getchar();\n\n\t}while(isdigit(c));\n\n\treverse(d+1,d+len+1);\n\n\treturn;\n\n}\n\nint main(){\n\n\tInput();\n\n\tprintf(\"%d\",getans());\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002494"}134{"label": "pie_cpp_test_002495", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002495.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002495", "task_path": "tasks/test/pie_cpp_test_002495.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstring>\n\nusing namespace std;\n\n \n\nint n,d;\n\nlong long v[20],maxv[30];\n\n \n\nlong long qpow(int x,int y){\n\n long long ans=1;\n\n while(y){\n\n if(y&1)ans*=x;\n\n y>>=1,x*=x;\n\n }\n\n return ans;\n\n}\n\n \n\nlong long dfs(long long x,int p){\n\n if(p==n)return (x==d);\n\n if(d<x-maxv[p]||d>x+maxv[p])return 0;\n\n long long ans=0;\n\n for(int i=-9;i<=9;i++){\n\n if(p)ans+=dfs(x+v[p]*i,p+1)*(10-abs(i));\n\n else if(i^9)ans+=dfs(x+v[p]*i,p+1)*(i>=0?9-i:10+i);\n\n }\n\n return ans;\n\n}\n\n \n\nint main(){\n\n scanf(\"%d\",&d);\n\n long long ans=0;\n\n for(int i=1;i<=18;i++){\n\n memset(maxv,0,sizeof(maxv));\n\n n=i+1>>1;\n\n for(int j=0;j<n;j++)v[j]=qpow(10,i-j)-qpow(10,j);\n\n for(int j=0;j<n;j++)\n\n for(int k=j;k<n;k++)maxv[j]+=v[k]*9;\n\n ans+=dfs(0,0)*(i&1?1:10);\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002495"}135{"label": "pie_cpp_test_002496", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002496.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002496", "task_path": "tasks/test/pie_cpp_test_002496.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#if 0\n\n2019.08.08\n\n\n\n\u5148\u679a\u4e3e\u4f4d\u6570\uff0c\u8003\u8651\u6bcf\u4e00\u4f4d\u7684\u8d21\u732e\uff0c\u4e0d\u96be\u53d1\u73b0\u6bcf\u4e00\u4f4d\u4e0e\u5bf9\u79f0\u4f4d\u7684\u5dee\u503c\u5bf9 D \u6709 9..90..0 \u7684\u8d21\u732e\u3002\n\n\u800c\u8fd9\u4e2a\u503c\u5927\u5230\u6bd4\u5b83\u66f4\u4f4e\u7684\u6240\u6709\u5bf9\u79f0\u4f4d\u7684\u6700\u5927\u8d21\u732e\u7684\u548c\u8981\u9ad8\u3002\n\n\u90a3\u4e48\u8fd9\u4e2a\u5dee\u503c\u53ea\u53ef\u80fd\u662f\u4e24\u4e2a\u503c\uff0c\u4e58\u4e0a\u8d21\u732e\u5206\u522b\u5c0f\u4e8e/\u5927\u4e8e\u5f53\u524d\u7684 D \u3002\n\n\u679a\u4e3e\u8fd9\u4e24\u79cd\u503c\u5373\u53ef\uff0c\u603b\u590d\u6742\u5ea6 O(2L * 2^L) \u3002\n\n#endif\n\n#include <cstdio>\n\n#include <algorithm>\n\n#define debug(...) fprintf(stderr, __VA_ARGS__)\n\n\n\ntypedef long long lolong;\n\ninline int input() { int x; scanf(\"%d\", &x); return x; }\n\n\n\nlolong dfs(lolong a, lolong b, lolong d) {\n\n\tif(not a) return d == 0 ? 10 : 0;\n\n\tif(d < 0) d = - d;\n\n\tlolong c = a * b;\n\n\tint x = d / c;\n\n\tint max = b == 1 ? 9 : 10;\n\n\tif(a == 9)\n\n\t\treturn x * c == d ? std::max(max - x, 0) : 0;\n\n\tlolong res = std::max(max - x, 0) * dfs(a / 100, b * 10, d - x * c);\n\n\tx ++;\n\n\tres += std::max(max - x, 0) * dfs(a / 100, b * 10, d - x * c);\n\n\tdebug(\"%lld, %lld, %lld: %lld\\n\", a, b, d, res);\n\n\treturn res;\n\n}\n\n\n\nint main() {\n\n\tlolong ans = 0, d = input();\n\n\tfor(lolong a = 999999999999999999; a; a /= 10)\n\n\t\tans += dfs(a, 1, d);\n\n\tprintf(\"%lld\\n\", ans);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002496"}136{"label": "pie_cpp_test_002497", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002497.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002497", "task_path": "tasks/test/pie_cpp_test_002497.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define fi first\n\n#define se second\n\n#define FOR(a, b, c) for(int a = b; a <= c; ++a)\n\n#define pb push_back\n\n#define int long long\n\n\n\nconst int MOD = 1e9 + 7;\n\nconst int oo = 1e9;\n\nconst int N = 1e5 + 10;\n\n\n\nint n, ans;\n\nint pw10[20];\n\n\n\nint solve(int pos, int rem, bool spm) {\n\n if(pos == 0) return ((rem == 0) ? 1 : 0);\n\n if(pos == 1) return ((rem == 0) ? 10 : 0);\n\n int sum = 0ll;\n\n for(int i = -9; i <= 9; ++i) {\n\n int nex = rem - 1ll * i * (pw10[pos - 1] - 1);\n\n if(nex % 10 == 0) {\n\n if(!spm) {\n\n if(i >= 0) sum += solve(pos - 2, nex / 10, true) * (9 - i);\n\n } else sum += solve(pos - 2, nex / 10, true) * (10 - abs(i));\n\n }\n\n }\n\n return sum;\n\n}\n\n\n\nsigned main()\n\n{\n\n ios_base::sync_with_stdio(false);\n\n cin.tie(0); cout.tie(0);\n\n cin >> n;\n\n pw10[0] = 1ll; FOR(i, 1, 17) pw10[i] = pw10[i - 1] * 10;\n\n FOR(i, 1, 18) ans += solve(i, n, false);\n\n\n\n cout << ans;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002497"}137{"label": "pie_cpp_test_002498", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002498.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002498", "task_path": "tasks/test/pie_cpp_test_002498.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#define _GLIBCXX_IOSTREAM\n\n#include<bits/stdc++.h>\n\n\n\ntypedef unsigned int uint;\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef double lf;\n\ntypedef long double llf;\n\ntypedef std::pair<int,int> pii;\n\n\n\n#define xx first\n\n#define yy second\n\n\n\ntemplate<typename T> inline T max(T a,T b){return a>b?a:b;}\n\ntemplate<typename T> inline T min(T a,T b){return a<b?a:b;}\n\ntemplate<typename T> inline T abs(T a){return a>0?a:-a;}\n\ntemplate<typename T> inline bool repr(T &a,T b){return a<b?a=b,1:0;}\n\ntemplate<typename T> inline bool repl(T &a,T b){return a>b?a=b,1:0;}\n\ntemplate<typename T> inline T gcd(T a,T b){T t;if(a<b){while(a){t=a;a=b%a;b=t;}return b;}else{while(b){t=b;b=a%b;a=t;}return a;}}\n\ntemplate<typename T> inline T sqr(T x){return x*x;}\n\n#define mp(a,b) std::make_pair(a,b)\n\n#define pb push_back\n\n#define I inline\n\n#define mset(a,b) memset(a,b,sizeof(a))\n\n#define mcpy(a,b) memcpy(a,b,sizeof(a))\n\n\n\n#define fo0(i,n) for(int i=0,i##end=n;i<i##end;i++)\n\n#define fo1(i,n) for(int i=1,i##end=n;i<=i##end;i++)\n\n#define fo(i,a,b) for(int i=a,i##end=b;i<=i##end;i++)\n\n#define fd0(i,n) for(int i=(n)-1;~i;i--)\n\n#define fd1(i,n) for(int i=n;i;i--)\n\n#define fd(i,a,b) for(int i=a,i##end=b;i>=i##end;i--)\n\n#define foe(i,x)for(__typeof(x.end())i=x.begin();i!=x.end();++i)\n\n\n\nstruct Cg{I char operator()(){return getchar();}};\n\nstruct Cp{I void operator()(char x){putchar(x);}};\n\n#define OP operator\n\n#define RT return *this;\n\n#define RX x=0;char t=P();while((t<'0'||t>'9')&&t!='-')t=P();bool f=0;\\\n\nif(t=='-')t=P(),f=1;x=t-'0';for(t=P();t>='0'&&t<='9';t=P())x=x*10+t-'0'\n\n#define RL if(t=='.'){lf u=0.1;for(t=P();t>='0'&&t<='9';t=P(),u*=0.1)x+=u*(t-'0');}if(f)x=-x\n\n#define RU x=0;char t=P();while(t<'0'||t>'9')t=P();x=t-'0';for(t=P();t>='0'&&t<='9';t=P())x=x*10+t-'0'\n\n#define TR *this,x;return x;\n\nI bool IS(char x){return x==10||x==13||x==' ';}template<typename T>struct Fr{T P;I Fr&OP,(int &x)\n\n{RX;if(f)x=-x;RT}I OP int(){int x;TR}I Fr&OP,(ll &x){RX;if(f)x=-x;RT}I OP ll(){ll x;TR}I Fr&OP,(char &x)\n\n{for(x=P();IS(x);x=P());RT}I OP char(){char x;TR}I Fr&OP,(char *x){char t=P();for(;IS(t);t=P());if(~t){for(;!IS\n\n(t)&&~t;t=P())*x++=t;}*x++=0;RT}I Fr&OP,(lf &x){RX;RL;RT}I OP lf(){lf x;TR}I Fr&OP,(llf &x){RX;RL;RT}I OP llf()\n\n{llf x;TR}I Fr&OP,(uint &x){RU;RT}I OP uint(){uint x;TR}I Fr&OP,(ull &x){RU;RT}I OP ull(){ull x;TR}};Fr<Cg>in;\n\n#define WI(S) if(x){if(x<0)P('-'),x=-x;char s[S],c=0;while(x)s[c++]=x%10+'0',x/=10;while(c--)P(s[c]);}else P('0')\n\n#define WL if(y){lf t=0.5;for(int i=y;i--;)t*=0.1;if(x>=0)x+=t;else x-=t,P('-');*this,(ll)(abs(x));P('.');if(x<0)\\\n\nx=-x;while(y--){x*=10;x-=floor(x*0.1)*10;P(((int)x)%10+'0');}}else if(x>=0)*this,(ll)(x+0.5);else *this,(ll)(x-0.5);\n\n#define WU(S) if(x){char s[S],c=0;while(x)s[c++]=x%10+'0',x/=10;while(c--)P(s[c]);}else P('0')\n\ntemplate<typename T>struct Fw{T P;I Fw&OP,(int x){WI(10);RT}I Fw&OP()(int x){WI(10);RT}I Fw&OP,(uint x){WU(10);RT}\n\nI Fw&OP()(uint x){WU(10);RT}I Fw&OP,(ll x){WI(19);RT}I Fw&OP()(ll x){WI(19);RT}I Fw&OP,(ull x){WU(20);RT}I Fw&OP()\n\n(ull x){WU(20);RT}I Fw&OP,(char x){P(x);RT}I Fw&OP()(char x){P(x);RT}I Fw&OP,(const char *x){while(*x)P(*x++);RT}\n\nI Fw&OP()(const char *x){while(*x)P(*x++);RT}I Fw&OP()(lf x,int y){WL;RT}I Fw&OP()(llf x,int y){WL;RT}};Fw<Cp>out;\n\n\n\nint n,m,u[20],ni;\n\nbool h[20];\n\nll ans,s[20];\n\n\n\ninline ll p10(int x)\n\n{\n\n\tll t=1;\n\n\tfo0(i,x)t*=10;\n\n\treturn t;\n\n}\n\n\n\ninline void cal()\n\n{\n\n\t//out,ans,'\\n';\n\n\t//out,'/';fo0(i,m)out,u[i],' ';out,'\\n';\n\n\tll d=1;\n\n\tfo0(j,m)\n\n\t{\n\n\t\tint c=0;\n\n\t\tfo0(a,10)fo0(b,10)\n\n\t\t{\n\n\t\t\tif(b-a==u[j])\n\n\t\t\t{\n\n\t\t\t\t//out,a,' ',b,' ',h[j],'\\n';\n\n\t\t\t\tif(a||!h[j])c++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t//out,d,' ',c,'\\n';\n\n\t\td*=c;\n\n\t}\n\n\tbool hh=0;\n\n\tfo0(j,m)hh|=h[j];\n\n\tif(hh)ans+=d*p10((ni+1)/2-m);\n\n\telse ans+=d*p10((ni+1)/2-m-1)*9;\n\n\t//out,ans,'\\n';\n\n}\n\n\n\ninline void dfs(int now,ll v)\n\n{\n\n\tif(now==m)\n\n\t{\n\n\t\tif(!v)cal();\n\n\t}\n\n\telse\n\n\t{\n\n\t\tif(abs(v)>20ll*s[now])return;\n\n\t\tfo(i,-20,20)\n\n\t\t{\n\n\t\t\tu[now]=i;\n\n\t\t\tdfs(now+1,v-(ll)i*s[now]);\n\n\t\t}\n\n\t}\n\n}\n\n\n\nint main()\n\n{\n\n\tin,n;\n\n\tfo1(i,18)\n\n\t{\n\n\t\tni=i;\n\n\t\tm=0;\n\n\t\tfor(int j=0;j*2+1<i;j++)\n\n\t\t{\n\n\t\t\tll t=p10(j)*(p10(i-j*2-1)-1);\n\n\t\t\t//out,i,' ',j,' ',t,'\\n';\n\n\t\t\ts[m]=t,h[m++]=j==0;\n\n\t\t}\n\n\t\t//out,i,':';fo0(j,m)out,s[j],' ';out,'\\n';\n\n\t\t/*ll v=n;\n\n\t\tfo0(j,m)\n\n\t\t{\n\n\t\t\tint cnt=0;\n\n\t\t\twhile(v>=s[j]&&abs(cnt)<30)v-=s[j],cnt++;\n\n\t\t\twhile(v<=-s[j]&&abs(cnt)<30)v+=s[j],cnt--;\n\n\t\t\ts[j]=cnt;\n\n\t\t}\n\n\t\tif(!v)\n\n\t\t{\n\n\t\t}*/\n\n\t\tdfs(0,n);\n\n\t}\n\n\tout,ans,'\\n';\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002498"}138{"label": "pie_cpp_test_002499", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 636, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 636, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002499.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002499", "task_path": "tasks/test/pie_cpp_test_002499.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nlong long d;\n\nlong long p[20];\n\nint dx1[20],dx2[20];\n\nvector<long long> v;\n\nvoid dfs(int s,int e,vector< pair<long long ,long long> > &w,long long val,long long cnt)\n\n{\n\n\tif(s==e){\n\n\t\tw.push_back(make_pair(val,cnt));\n\n\t\treturn ;\n\n\t}\n\n\tfor(int i=-9;i<=9;i++)\n\n\t\tdfs(s+1,e,w,val+i*v[s],cnt*(s==0?dx2[i+10]:dx1[i+10]));\n\n}\n\nlong long solve(int l)\n\n{\n\n\tv.clear();\n\n\tfor(int i=0;l-1-i>i;i++)\n\n\t\tv.push_back(p[l-1-i]-p[i]);\n\n\tvector< pair<long long,long long> > v1,v2;\n\n\tdfs(0,(v.size()+1)/2,v1,0,1);\n\n\tdfs((v.size()+1)/2,v.size(),v2,0,1);\n\n\tlong long ans=0;\n\n\tmap<long long,long long> mp;\n\n\tfor(int i=0;i<v2.size();i++)\n\n\t\tmp[v2[i].first]+=v2[i].second;\n\n\tfor(int i=0;i<v1.size();i++)\n\n\t\tans+=mp[v1[i].first+d]*v1[i].second;\n\n\tif(l%2==1)\n\n\t\tans*=10;\n\n\treturn ans; \n\n}\n\nint main()\n\n{\n\n\tp[0]=1;\n\n\tfor(int i=1;i<20;i++)\n\n\t\tp[i]=p[i-1]*10;\n\n\tfor(int i=0;i<10;i++){\n\n\t\tfor(int j=0;j<10;j++)\n\n\t\t\tdx1[i-j+10]++;\n\n\t}\n\n\tfor(int i=1;i<10;i++){\n\n\t\tfor(int j=0;j<10;j++)\n\n\t\t\tdx2[i-j+10]++;\n\n\t}\n\n\tcin>>d;\n\n\tlong long ans=0;\n\n\tfor(int i=2;i<=18;i++)\n\n\t\tans+=solve(i);\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002499"}139{"label": "pie_cpp_test_002500", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002500.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002500", "task_path": "tasks/test/pie_cpp_test_002500.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst long long maxn=1e5+5;\n\nconst long long inf=0x3f3f3f3f;\n\nlong long d,p[maxn],dx1[maxn],dx2[maxn];\n\nvector<long long> v;\n\nvoid dfs(long long s,long long e,vector<pair<long long,long long> >&w,long long val,long long cnt)\n\n{\n\n\tif(s==e)\n\n\t{\n\n\t\tw.push_back(pair<long long,long long>(val,cnt));\n\n\t\treturn ;\n\n\t}\n\n\tfor(long long i=-9;i<=9;i++)\n\n\t\tdfs(s+1,e,w,val+i*v[s],cnt*(s==0?dx2[i+10]:dx1[i+10]));\n\n}\n\nlong long solve(long long l)\n\n{\n\n\tv.clear();\n\n\tfor(long long i=0;l-1-i>i;i++)\n\n\t\tv.push_back(p[l-1-i]-p[i]);\n\n\tvector<pair<long long,long long> >v1,v2;\n\n\tdfs(0,(v.size()+1)/2,v1,0,1);\n\n\tdfs((v.size()+1)/2,v.size(),v2,0,1);\n\n\tlong long cnt=0;\n\n\tmap<long long,long long> mp;\n\n\tfor(auto &i: v2)\n\n\t\tmp[i.first]+=i.second;\n\n\tfor(auto &i: v1)\n\n\t\tcnt+=mp[i.first+d]*i.second;\n\n\tif(l%2==1)\n\n\t\tcnt*=10;\n\n\treturn cnt;\n\n}\n\nint main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n cout.tie(0);\n\n //freopen(\".in\",\"r\",stdin);\n\n //freopen(\".out\",\"w\",stdout);\n\n p[0]=1;\n\n for(long long i=1;i<20;i++)\n\n \tp[i]=p[i-1]*10;\n\n for(long long i=0;i<10;i++)\n\n \tfor(long long j=0;j<10;j++)\n\n \t\tdx1[i-j+10]++;\n\n for(long long i=1;i<10;i++)\n\n \tfor(long long j=0;j<10;j++)\n\n \t\tdx2[i-j+10]++;\n\n cin>>d;\n\n long long ans=0;\n\n for(long long i=2;i<=18;i++)\n\n \tans+=solve(i);\n\n cout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002500"}140{"label": "pie_cpp_test_002501", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 124, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 124, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002501.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002501", "task_path": "tasks/test/pie_cpp_test_002501.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> \n\n#define fo(i,a,b) for(i=a;i<=b;i++)\n\n#define fd(i,a,b) for(i=a;i>=b;i--)\n\n#define min(a,b) (a<b?a:b)\n\n#define max(a,b) (a>b?a:b)\n\ntypedef long long ll;\n\nusing namespace std;\n\nint d,k,L,i,j,ten[15],a[25];\n\nint s[25],mx,f[25];ll ans,an;\n\nvoid dfs(int x,ll now){\n\n\tif (L-x>=k-1&&abs(now)>=10) return;\n\n\tint i;\n\n\tif (x>mx){\n\n\t\tan=a[s[1]+9]-(s[1]<=0);\n\n\t\tif (L&1) an*=10-(L==1);\n\n\t\ts[L]=-s[1];\n\n\t\tfo(i,2,mx) an*=a[s[i]+9],s[L-i+1]=-s[i];\n\n\t\tll p=0;\n\n\t\tfd(i,L,1){\n\n\t\t\tp=p*10+s[i];\n\n\t\t\tif (p>d||p<0) return;\n\n\t\t}if (p==d) ans+=an;\n\n\t\treturn;\n\n\t}\n\n\tfo(i,-9,9) s[x]=i,dfs(x+1,now*10-i);\n\n}\n\nint main(){\n\n\tten[0]=1;\n\n\tfo(i,1,9) ten[i]=ten[i-1]*10;\n\n\tscanf(\"%d\",&d);\n\n\tfo(i,1,9) if (d<ten[i]) break;\n\n\tk=i+1;\n\n\tfo(i,0,9)\n\n\tfo(j,0,9) a[i-j+9]++;\n\n\tfo(L,2,k<<1){\n\n\t\tmx=L>>1;\n\n\t\tmemset(s,0,sizeof(s));\n\n\t\tdfs(1,0);\n\n\t}\n\n\tprintf(\"%lld\\n\",ans);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002501"}141{"label": "pie_cpp_test_002502", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002502.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002502", "task_path": "tasks/test/pie_cpp_test_002502.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<queue>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\n#define MN 21001\n\n#define int long long\n\nusing namespace std;\n\n\n\nint read_p,read_ca;\n\ninline int read(){\n\n read_p=0;read_ca=getchar();\n\n while(read_ca<'0'||read_ca>'9') read_ca=getchar();\n\n while(read_ca>='0'&&read_ca<='9') read_p=read_p*10+read_ca-48,read_ca=getchar();\n\n return read_p;\n\n}\n\nconst int MOD=1e9+7;\n\nint n,a[MN],B[MN],x,mmh=0,mm[20][20][2][2];\n\ninline int M(int x){return x<0?x+10:x;}\n\ninline void work(int p,int n,int a,int b){\n\n if (mm[p][n][a][b]!=-1) {mmh+=mm[p][n][a][b];return;}\n\n int u=mmh;\n\n if (p+p-1==n){\n\n if (a==0&&b==0) mmh+=10*(B[p]==0);else\n\n if (a==1&&b==1) mmh+=10*(B[p]==9);\n\n return;\n\n }\n\n if (p+p-1>n){\n\n mmh+=a==b;\n\n return;\n\n }\n\n for (int i=p==1;i<=9;i++)\n\n for (int j=0;j<=9;j++)\n\n if (M(i-j-b)==B[p]&&(a==(j<i)||j==i)&&(M(j-i)==B[n+1-p]||M(j-1-i)==B[n+1-p])){\n\n if (a){\n\n if (j==i&&B[n+1-p]==0) continue;\n\n work(p+1,n,M(j-1-i)==B[n+1-p],i-b-j<0);\n\n }else{\n\n if (j==i&&B[n+1-p]==9) continue;\n\n work(p+1,n,M(j-1-i)==B[n+1-p],i-b-j<0);\n\n }\n\n }\n\n mm[p][n][a][b]=mmh-u;\n\n}\n\nsigned main(){\n\n int i,j,k;\n\n x=n=read();\n\n if (n%9) return puts(\"0\"),0;\n\n for (k=1;k<=10&&x;k++) B[k]=x%10,x/=10;k--;\n\n for (int i=k;i<=18;i++) memset(mm,-1,sizeof(mm)),work(1,i,0,0);\n\n printf(\"%lld\\n\",mmh);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002502"}142{"label": "pie_cpp_test_002503", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002503.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002503", "task_path": "tasks/test/pie_cpp_test_002503.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n#include<algorithm>\n\n#include<string.h>\n\n#include<string>\n\n#include<math.h>\n\n#include<stdlib.h>\n\n#include<time.h>\n\n#include<map>\n\n#include<queue>\n\n#include<set>\n\n#define fo(i,a,b) for(int i=a;i<=b;i++)\n\n#define fd(i,a,b) for(int i=a;i>=b;i--)\n\nusing namespace std;\n\nint d0[50],d1[50],m,mm;\n\nlong long ans,d,wei,te,ten[18];\n\n//81000 wei+3\n\nvoid dfs(int x,long long v,long long s){\n\n\t//if (abs(v)>d*10000) return;//12\n\n\tif (v<-d*105) return;\n\n\tif (v>d*105&&v>(ten[m-x]-ten[x-1])*105) return;\n\n\t//printf(\"%d %lld %lld\\n\",x,v,s);\n\n\tif (x>mm){//>m\n\n\t\tif (v==d){\n\n\t\t\t//printf(\"%d %lld %lld\\n\",x,v,s);\n\n\t\t\tif (m&1) ans+=s*10;else ans+=s;//(m>2)&&\n\n\t\t}\n\n\t\treturn;\n\n\t}\n\n\tif (x==1){\n\n\t\tfo(i,-9,8) dfs(x+1,v+i*(ten[m-x]-ten[x-1]),s*d1[i+20]);//m-i+1 i\n\n\t\treturn;\n\n\t}\n\n\tfo(i,-9,9) dfs(x+1,v+i*(ten[m-x]-ten[x-1]),s*d0[i+20]);\n\n}\n\ninline void sol(int wei){\n\n\tif (wei<=1) return;\n\n\tm=wei;mm=m/2;\n\n\tdfs(1,0,1);\n\n}\n\nint main(){\n\n\tscanf(\"%lld\",&d);\n\n\tif (d%9!=0){\n\n\t\tprintf(\"0\\n\");\n\n\t\treturn 0;\n\n\t}\n\n\tif (d==9){\n\n\t\tprintf(\"8\\n\");\n\n\t\treturn 0;\n\n\t}\n\n\tten[0]=1;fo(i,1,17) ten[i]=ten[i-1]*10;\n\n\tfo(i,0,9) fo(j,0,9) d0[i-j+20]++;\n\n\tfo(i,0,9) fo(j,1,9) d1[i-j+20]++;\n\n\tte=d;\n\n\twhile (te){\n\n\t\twei++;\n\n\t\tte/=10;\n\n\t}\n\n\t//printf(\"%lld\\n\",wei);\n\n\tfo(i,-9,9) sol(wei+i);//-8..8\n\n\tprintf(\"%lld\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002503"}143{"label": "pie_cpp_test_002504", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002504.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002504", "task_path": "tasks/test/pie_cpp_test_002504.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n#include<algorithm>\n\n#include<string.h>\n\n#include<string>\n\n#include<math.h>\n\n#include<stdlib.h>\n\n#include<time.h>\n\n#include<map>\n\n#include<queue>\n\n#include<set>\n\n#define fo(i,a,b) for(int i=a;i<=b;i++)\n\n#define fd(i,a,b) for(int i=a;i>=b;i--)\n\nusing namespace std;\n\nint d0[50],d1[50],m,mm;\n\nlong long ans,d,wei,te,ten[18];\n\n//81000 wei+3\n\nvoid dfs(int x,long long v,long long s){\n\n\t//if (abs(v)>d*10000) return;//12\n\n\tif (v<-d*15) return;//*105\n\n\tif (v>d*15&&v>(ten[m-x]-ten[x-1])*15) return;//*105\n\n\t//printf(\"%d %lld %lld\\n\",x,v,s);\n\n\tif (x>mm){//>m\n\n\t\tif (v==d){\n\n\t\t\t//printf(\"%d %lld %lld\\n\",x,v,s);\n\n\t\t\tif (m&1) ans+=s*10;else ans+=s;//(m>2)&&\n\n\t\t}\n\n\t\treturn;\n\n\t}\n\n\tif (x==1){\n\n\t\tfo(i,-9,8) dfs(x+1,v+i*(ten[m-x]-ten[x-1]),s*d1[i+20]);//m-i+1 i\n\n\t\treturn;\n\n\t}\n\n\tfo(i,-9,9) dfs(x+1,v+i*(ten[m-x]-ten[x-1]),s*d0[i+20]);\n\n}\n\ninline void sol(int wei){\n\n\tif (wei<=1) return;\n\n\tm=wei;mm=m/2;\n\n\tdfs(1,0,1);\n\n}\n\nint main(){\n\n\tscanf(\"%lld\",&d);\n\n\tif (d%9!=0){\n\n\t\tprintf(\"0\\n\");\n\n\t\treturn 0;\n\n\t}\n\n\tif (d==9){\n\n\t\tprintf(\"8\\n\");\n\n\t\treturn 0;\n\n\t}\n\n\tten[0]=1;fo(i,1,17) ten[i]=ten[i-1]*10;\n\n\tfo(i,0,9) fo(j,0,9) d0[i-j+20]++;\n\n\tfo(i,0,9) fo(j,1,9) d1[i-j+20]++;\n\n\tte=d;\n\n\twhile (te){\n\n\t\twei++;\n\n\t\tte/=10;\n\n\t}\n\n\t//printf(\"%lld\\n\",wei);\n\n\tfo(i,-2,9) sol(wei+i);//-8..8\n\n\tprintf(\"%lld\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002504"}144{"label": "pie_cpp_test_002505", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002505.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002505", "task_path": "tasks/test/pie_cpp_test_002505.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#include<set>\n\n#include<map>\n\n#include<queue>\n\n#include<cassert>\n\n#define PB push_back\n\n#define MP make_pair\n\n#define sz(v) (in((v).size()))\n\n#define forn(i,n) for(in i=0;i<(n);++i)\n\n#define forv(i,v) forn(i,sz(v))\n\n#define fors(i,s) for(auto i=(s).begin();i!=(s).end();++i)\n\n#define all(v) (v).begin(),(v).end()\n\nusing namespace std;\n\ntypedef long long in;\n\ntypedef vector<in> VI;\n\ntypedef vector<VI> VVI;\n\nin cnt(in dc, const VI& ddg, bool fst){\n\n if(dc==0){\n\n if(sz(ddg)==0)\n\n return 1;\n\n return 0;\n\n }\n\n if(dc==1){\n\n if(sz(ddg)==0)\n\n return 10;\n\n return 0;\n\n }\n\n in gl=0;\n\n if(sz(ddg)>0){\n\n gl=ddg[0];\n\n gl%=10;\n\n gl+=10;\n\n gl%=10;\n\n }\n\n in wy=0;\n\n VI cn;\n\n for(in c=-9;c<=9;++c){\n\n if((9*c%10+10)%10==gl)\n\n cn.PB(-c);\n\n }\n\n if(cn.empty())\n\n return 0;\n\n in cw;\n\n forv(z,cn){\n\n in df=cn[z];\n\n cw=0;\n\n for(in v1=(fst?1:0);v1<=9;++v1){\n\n if(v1+df>=0 && v1+df<=9 &&(!fst || v1+df>0))\n\n\t++cw;\n\n }\n\n VI td=ddg;\n\n while(sz(td)<dc)\n\n td.PB(0);\n\n forn(i,dc-1){\n\n td[i]+=df*9;\n\n }\n\n td.PB(0);\n\n in cc;\n\n forn(i,sz(td)-1){\n\n cc=td[i]/10;\n\n td[i]-=cc*10;\n\n td[i+1]+=cc;\n\n if(td[i]<0){\n\n\ttd[i]+=10;\n\n\ttd[i+1]-=1;\n\n }\n\n }\n\n assert(td[0]==0);\n\n forn(i,sz(td)-1){\n\n td[i]=td[i+1];\n\n }\n\n td.back()=0;\n\n while(sz(td)>0 && td.back()==0)\n\n td.pop_back();\n\n cw*=cnt(dc-2,td,0);\n\n wy+=cw;\n\n }\n\n return min(wy,in(1e12));\n\n}\n\nint main(){\n\n ios::sync_with_stdio(0);\n\n cin.tie(0);\n\n in d;\n\n cin>>d;\n\n in sm=0;\n\n VI dd;\n\n while(d){\n\n dd.PB(d%10);\n\n d/=10;\n\n }\n\n for(in dc=2;dc<=50;++dc){\n\n sm+=cnt(dc,dd,1);\n\n }\n\n cout<<sm<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002505"}145{"label": "pie_cpp_test_002506", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002506.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002506", "task_path": "tasks/test/pie_cpp_test_002506.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntemplate<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}\n\ntemplate<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}\n\n\n\ntemplate<typename F>\n\nstruct FixPoint : F{\n\n FixPoint(F&& f):F(forward<F>(f)){}\n\n template<typename... Args>\n\n decltype(auto) operator()(Args&&... args) const{\n\n return F::operator()(*this,forward<Args>(args)...);\n\n }\n\n};\n\ntemplate<typename F>\n\ninline decltype(auto) MFP(F&& f){\n\n return FixPoint<F>{forward<F>(f)};\n\n}\n\n\n\n__int128_t abs128(__int128_t val){return val<0?-val:val;}\n\n\n\nostream &operator<<(ostream &os,__int128_t val){\n\n if(ostream::sentry(os)){\n\n __uint128_t tmp=abs128(val);\n\n char buf[64];\n\n char *d=end(buf);\n\n do{\n\n --d;\n\n *d=char(tmp%10+'0');\n\n tmp/=10;\n\n }while(tmp);\n\n if(val<0) *--d='-';\n\n int len=end(buf)-d;\n\n if(os.rdbuf()->sputn(d,len)!=len){\n\n os.setstate(ios_base::badbit);\n\n }\n\n }\n\n return os;\n\n}\n\n\n\nistream &operator>>(istream &is,__int128_t &val){\n\n string s;\n\n is>>s;\n\n val=0;\n\n for(int i=0;i<(int)s.size();i++)\n\n if(isdigit(s[i])) val=val*10+s[i]-'0';\n\n if(s[0]=='-') val*=-1;\n\n return is;\n\n}\n\n\n\n//INSERT ABOVE HERE\n\nsigned main(){\n\n using ll = __int128_t;\n\n\n\n ll d;\n\n cin>>d;\n\n const ll MAX = 37;\n\n ll ans=0;\n\n\n\n vector<ll> po(MAX,1);\n\n for(int i=0;i+1<MAX;i++)\n\n po[i+1]=po[i]*10;\n\n\n\n vector<ll> c1(12,0),c2(12,0);\n\n for(int i=1;i<10;i++)\n\n for(int j=1;j<=i;j++)\n\n c1[abs(i-j)]++;\n\n\n\n for(int i=0;i<10;i++)\n\n for(int j=0;j<=i;j++)\n\n c2[abs(i-j)]++;\n\n\n\n for(int l=2;l<=MAX;l++){\n\n // [s, t]\n\n ans+=\n\n MFP([&](auto dfs,ll s,ll t,ll w)->ll{\n\n if(s>=t){\n\n if(w!=0) return 0;\n\n return s==t?10:1;\n\n }\n\n ll dif=po[t]-po[s];\n\n ll x=w/dif;\n\n if(x>=10) return 0;\n\n\n\n ll res=0;\n\n res+=(s==0?c1:c2)[x+0]*dfs(s+1,t-1,abs128(w-(x+0)*dif));\n\n res+=(s==0?c1:c2)[x+1]*dfs(s+1,t-1,abs128(w-(x+1)*dif));\n\n return res;\n\n })(0,l-1,d);\n\n }\n\n cout<<ans<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002506"}146{"label": "pie_cpp_test_002507", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002507.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002507", "task_path": "tasks/test/pie_cpp_test_002507.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long LL;\n\n\n\nconst int N = 25;\n\n\n\nint d;\n\nLL p[N];\n\nint sub1[N], sub2[N]; // sub1 not front, sub2 is front\n\n\n\nvector <LL> v;\n\n\n\nvoid dfs(int s, int e, vector <pair <LL, LL> > &w, LL val, LL cnt){\n\n if (s == e){\n\n w.push_back(make_pair(val, cnt));\n\n return ;\n\n }\n\n\n\n for (int i = -9; i < 10; i++) // \u679a\u4e3e\u5dee\u503c\n\n dfs(s + 1, e, w, val + i * v[s], cnt * (s ? sub1[i + 10] : sub2[i + 10]));\n\n}\n\n\n\nLL solve(int len){\n\n v.clear();\n\n for (int i = 0; i < len - 1 - i; i++) v.push_back(p[len - 1 - i] - p[i]);\n\n\n\n vector <pair <LL, LL> > v1, v2;\n\n dfs(0, (v.size() + 1) >> 1, v1, 0, 1);\n\n dfs((v.size() + 1) >> 1, v.size(), v2, 0, 1);\n\n\n\n LL ans = 0;\n\n map <LL, LL> mp;\n\n for (int i = 0; i < v2.size(); i++) mp[v2[i].first] += v2[i].second;\n\n for (int i = 0; i < v1.size(); i++) ans += mp[d - v1[i].first] * v1[i].second;\n\n\n\n if (len & 1) ans *= 10;\n\n return ans;\n\n}\n\n\n\nint main(){\n\n p[0] = 1;\n\n for (int i = 1; i < 20; i++) p[i] = p[i - 1] * 10;\n\n for (int i = 0; i < 10; i++)\n\n for (int j = 0; j < 10; j++) sub1[i - j + 10]++;\n\n for (int i = 0; i < 10; i++)\n\n for (int j = 1; j < 10; j++) sub2[i - j + 10]++;\n\n\n\n scanf(\"%d\", &d);\n\n LL ans = 0;\n\n for (int i = 2; i <= 18; i++) ans += solve(i);\n\n\n\n printf(\"%lld\", ans);\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002507"}147{"label": "pie_cpp_test_002508", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03704", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002508.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002508", "task_path": "tasks/test/pie_cpp_test_002508.json", "visible_test_count": 1}, "problem_id": "p03704", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n63\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\n#define fo(i,a,b) for(i=a;i<=b;i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\nint a[20],b[20],ten[9];\n\nint d;\n\nint i,j,k,l,t,n,m,tot,top;\n\nll num,sum,wdc,pp,ans;\n\nbool czy;\n\nint main(){\n\n ten[0]=1;\n\n fo(i,1,8) ten[i]=ten[i-1]*10;\n\n scanf(\"%d\",&d);\n\n pp=1;\n\n if (d%10==0){\n\n czy=1;\n\n while (d%10==0){\n\n d/=10;\n\n pp*=10;\n\n }\n\n pp=pp/10*9;\n\n }\n\n fo(l,1,7)\n\n fo(i,0,ten[l]-1){\n\n t=0;\n\n k=i;\n\n top=0;\n\n fo(j,1,l){\n\n a[++top]=k%10;\n\n k/=10;\n\n }\n\n k=i+d;\n\n tot=0;\n\n fo(j,1,top){\n\n b[++tot]=k%10;\n\n k/=10;\n\n }\n\n if (!czy&&b[1]==0) continue;\n\n reverse(b+1,b+tot+1);\n\n fo(j,1,tot) a[++top]=b[j];\n\n num=0;\n\n wdc=1;\n\n fo(j,1,top){\n\n num+=(ll)a[j]*wdc;\n\n wdc*=10;\n\n }\n\n sum=0;\n\n wdc=1;\n\n reverse(a+1,a+top+1);\n\n fo(j,1,top){\n\n sum+=(ll)a[j]*wdc;\n\n wdc*=10;\n\n }\n\n if (num+(ll)d==sum){\n\n ans++;\n\n }\n\n //continue;\n\n reverse(a+1,a+top+1);\n\n top-=tot;\n\n a[++top]=0;\n\n fo(j,1,tot) a[++top]=b[j];\n\n num=0;\n\n wdc=1;\n\n fo(j,1,top){\n\n num+=(ll)a[j]*wdc;\n\n wdc*=10;\n\n }\n\n sum=0;\n\n wdc=1;\n\n reverse(a+1,a+top+1);\n\n fo(j,1,top){\n\n sum+=(ll)a[j]*wdc;\n\n wdc*=10;\n\n }\n\n if (num+(ll)d==sum){\n\n ans+=10;\n\n }\n\n }\n\n ans*=pp;\n\n printf(\"%lld\\n\",ans);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002508"}148{"label": "pie_cpp_test_002513", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00570", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002513.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002513", "task_path": "tasks/test/pie_cpp_test_002513.json", "visible_test_count": 1}, "problem_id": "p00570", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 2\n1\n3\n6\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n\n\n#include<queue>\n\n\n\nusing namespace std ;\n\n\n\n#define N_MAX 100000\n\n\n\nint N ,K ;\n\nlong long time[ N_MAX ] ;\n\n\n\npriority_queue< int > que ;\n\n\n\nint main( void )\n\n{\n\n\tscanf( \"%d %d\" ,&N ,&K ) ;\n\n\n\n\tint i ,j ;\n\n\tfor( i = 0 ; i < N ; ++i )\n\n\t{ \n\n\t\tscanf( \"%d\" ,time + i ) ;\n\n\n\n\t\tif( i > 0 )\n\n\t\t{\n\n\t\t\tque.push( -(time[ i ] - time[ i - 1 ] - 1) ) ;\n\n\t\t}\n\n\t}\n\n\n\n\tif( K >= N )\n\n\t\tprintf( \"%d\\n\" ,N ) ;\n\n\n\n\telse if( K == 1 )\n\n\t\tprintf( \"%lld\\n\" ,time[ N - 1 ] - time[ 0 ] + 1 ) ;\n\n\n\n\telse\n\n\t{\n\n\t\tlong long sum = N ;\tN -= K ;\n\n\t\tfor( i = 0 ; i < N ; ++i )\n\n\t\t{\n\n\t\t\tsum += -que.top() ;\tque.pop() ;\n\n\t\t}\n\n\n\n\t\tprintf( \"%lld\\n\" ,sum ) ;\n\n\t}\n\n\n\n\treturn 0 ;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002513"}149{"label": "pie_cpp_test_002514", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p00570", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002514.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002514", "task_path": "tasks/test/pie_cpp_test_002514.json", "visible_test_count": 1}, "problem_id": "p00570", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 2\n1\n3\n6\n\nExpected output:\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nlong long sa[100000];\n\nint main(void){\n\n\tlong long n,k,t,tt,ans,i;\n\n\tcin>>n>>k;\n\n\tans=n;\n\n\tcin>>t;\n\n\tt++;\n\n\tfor(i=0;i<n-1;i++){\n\n\t\tcin>>tt;\n\n\t\tsa[i]=tt-t;\n\n\t\tt=tt+1;\n\n\t}\n\n\tsort(sa,sa+n-1);\n\n//\tcout<<53653535<<endl;\n\n\tn=n-k;\n\n\ti=0; \n\n\twhile(n>0){\n\n\t\tans+=sa[i];\n\n\t\ti++; n--;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002514"}150{"label": "pie_cpp_test_002562", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002562.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002562", "task_path": "tasks/test/pie_cpp_test_002562.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#define LL long long\n\n#define INF 0x7fffffff;\n\nusing namespace std;\n\nconst int maxn=500010;\n\nint a[maxn];\n\nint L[maxn/2+2],R[maxn/2+2];\n\nint n;\n\nLL merge(int left,int mid ,int right){\n\n\tint n1=mid-left;\n\n\tint n2=right-mid;\n\n\tfor(int i=0;i<n1;i++)L[i]=a[left+i];\n\n\tfor(int i=0;i<n2;i++)R[i]=a[mid+i];\n\n\tint i=0,j=0;\n\n\tL[n1]=R[n2]=INF;\n\n\tLL s=0;\n\n\tfor(int k=left;k<right;k++){\n\n\t\tif(L[i]<=R[j])\n\n\t\t\ta[k]=L[i++];\n\n\t\telse{\n\n\t\t\ta[k]=R[j++];\n\n\t\t\ts+=n1-i;\n\n\t\t}\n\n\t}\n\n\treturn s;\n\n}\n\nLL mergesort(int left,int right ){//[left,right)\n\n\tLL c1,c2,c3;\n\n\tif(left+1<right){//\u907f\u514d\u6b7b\u5faa? \n\n\t\tint mid=(left+right)/2;\n\n\t\tc1=mergesort(left,mid);\n\n\t\tc2=mergesort(mid,right);\n\n\t\tc3=merge(left,mid,right);\n\n\t\treturn c1+c2+c3;\n\n\t}\n\n\telse \n\n\t\treturn 0;\n\n}\n\nint main(){\n\n\tcin>>n;\n\n\tfor(int i=0;i<n;i++)cin>>a[i];\n\n\tcout<<mergesort(0,n)<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002562"}151{"label": "pie_cpp_test_002563", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002563.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002563", "task_path": "tasks/test/pie_cpp_test_002563.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst long maxn=200005;\n\nconst ll maxv=1e9+5;\n\n\n\nlong sum=0;\n\n\n\nvoid Merge(ll*a,long left,long mid,long right)\n\n{\n\n long n1=mid-left,n2=right-mid;\n\n ll *L,*R;\n\n L=new ll [n1+1];R=new ll [n2+1];\n\n for(long i=0;i<n1;i++)\n\n L[i]=a[left+i];\n\n for(long j=0;j<n2;j++)\n\n R[j]=a[mid+j];\n\n L[n1]=R[n2]=maxv;\n\n long m=0,n=0;\n\n for(long i=left;i<right;i++)\n\n {\n\n if(L[m]<=R[n]){a[i]=L[m];m++;}\n\n else\n\n {\n\n sum+=n1-m;\n\n a[i]=R[n];\n\n n++;\n\n }\n\n }\n\n}\n\n\n\nvoid Merge_Sort(ll*a,long left,long right)\n\n{\n\n if(left<right-1)\n\n {\n\n long mid=(left+right)/2;\n\n Merge_Sort(a,left,mid);\n\n Merge_Sort(a,mid,right);\n\n Merge(a,left,mid,right);\n\n }\n\n}\n\n\n\n\n\nint main()\n\n{\n\n long n;\n\n ll a[maxn];\n\n cin>>n;\n\n for(long i=0;i<n;i++)\n\n cin>>a[i];\n\n Merge_Sort(a,0,n);\n\n cout<<sum<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002563"}152{"label": "pie_cpp_test_002564", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002564.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002564", "task_path": "tasks/test/pie_cpp_test_002564.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nint a[200005],tmp[200005],n;\n\nlong long ans;\n\nlong long merge(int a[],int l,int m,int r,int tmp[])\n\n{\n\n int p1=l,p2=m+1,p3=0;\n\n long long cnt=0;\n\n while(p1<=m&&p2<=r)\n\n {\n\n if(a[p1]<=a[p2]) tmp[p3++]=a[p1++];\n\n else {tmp[p3++]=a[p2++];cnt+=m-p1+1;}\n\n }\n\n while(p1<=m) tmp[p3++]=a[p1++];\n\n while(p2<=r) tmp[p3++]=a[p2++];\n\n for(int i=0;i<=r-l;i++) a[i+l]=tmp[i];\n\n return cnt;\n\n}\n\nlong long mergesort(int a[],int l,int r,int tmp[])\n\n{\n\n long long v1,v2,v3;\n\n if(l<r)\n\n {\n\n int m=l+(r-l)/2;\n\n v1=mergesort(a,l,m,tmp);\n\n v2=mergesort(a,m+1,r,tmp);\n\n v3=merge(a,l,m,r,tmp);\n\n return v1+v2+v3;\n\n }\n\n return 0;\n\n}\n\nint main()\n\n{\n\n cin>>n;\n\n for(int i=0;i<n;i++) cin>>a[i];\n\n ans=mergesort(a,0,n-1,tmp);\n\n cout<<ans<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002564"}153{"label": "pie_cpp_test_002565", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002565.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002565", "task_path": "tasks/test/pie_cpp_test_002565.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\nusing namespace std;\n\n\n\n#define MAX 200001\n\n\n\nint L[MAX/2+1],R[MAX/2+1];\n\n\n\nlong long cnt=0;\n\n\n\nvoid merge(int A[],int left,int right,int mid)\n\n{\n\n int n1=mid-left;\n\n int n2=right-mid;\n\n\n\n for (int i = 0; i < n1; ++i)\n\n {\n\n L[i]=A[i+left];\n\n }\n\n for (int i = 0; i < n2; ++i)\n\n {\n\n R[i]=A[i+mid];\n\n }\n\n\n\n L[n1]=R[n2]=1000000001;\n\n\n\n int j=0,k=0;\n\n for (int i = left; i < right; ++i)\n\n {\n\n if(R[j]>=L[k])\n\n {\n\n A[i]=L[k++];\n\n }\n\n else {\n\n A[i] = R[j++];\n\n cnt += n1 - k;\n\n }\n\n }\n\n}\n\n\n\nvoid mergeSort(int A[],int left,int right)\n\n{\n\n if (left+1==right)\n\n {\n\n return;\n\n }\n\n int mid=(left+right)/2;\n\n mergeSort(A,left,mid);\n\n mergeSort(A,mid,right);\n\n merge(A,left,right,mid);\n\n}\n\n\n\nint main()\n\n{\n\n int n;\n\n int A[MAX];\n\n cin>>n;\n\n for (int i = 0; i < n; ++i)\n\n {\n\n cin>>A[i];\n\n }\n\n\n\n mergeSort(A,0,n);\n\n\n\n cout<<cnt<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002565"}154{"label": "pie_cpp_test_002566", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002566.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002566", "task_path": "tasks/test/pie_cpp_test_002566.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <climits>\n\nusing namespace std;\n\n\n\n#define llong long long\n\n\n\nvoid fnInput(vector<int> &rvnSort)\n\n{\n\n int nMaxSiz;\n\n cin >> nMaxSiz;\n\n\n\n rvnSort.resize(nMaxSiz);\n\n for (int i = 0; i < nMaxSiz; i++)\n\n cin >> rvnSort[i];\n\n}\n\n\n\nvoid fnMerge(vector<int> &rvnSort, llong &rnInvCnt, int nLeft, int nMid, int nRight)\n\n{\n\n vector<int> vnLeft, vnRight;\n\n int nLeftSiz = nMid - nLeft;\n\n int nRightSiz = nRight - nMid;\n\n \n\n vnLeft.resize(nLeftSiz + 1);\n\n vnRight.resize(nRightSiz + 1);\n\n for (int i = 0; i < nLeftSiz; i++)\n\n vnLeft[i] = rvnSort[nLeft + i];\n\n for (int i = 0; i < nRightSiz; i++)\n\n vnRight[i] = rvnSort[nMid + i];\n\n\n\n vnLeft[nLeftSiz] = INT_MAX;\n\n vnRight[nRightSiz] = INT_MAX;\n\n\n\n int i = 0, j = 0;\n\n for (int n = nLeft; n < nRight; n++)\n\n if (vnLeft[i] <= vnRight[j])\n\n rvnSort[n] = vnLeft[i++];\n\n else\n\n {\n\n rvnSort[n] = vnRight[j++];\n\n if (vnLeft[i] != INT_MAX)\n\n rnInvCnt += (nLeftSiz - i);\n\n else;\n\n } \n\n}\n\n\n\nvoid fnMergeSort(vector<int> &rvnSort, llong &rnInvCnt, int nLeft, int nRight)\n\n{\n\n if (nLeft + 1 < nRight)\n\n {\n\n int nMid = (nLeft + nRight) / 2;\n\n fnMergeSort(rvnSort, rnInvCnt, nLeft, nMid);\n\n fnMergeSort(rvnSort, rnInvCnt, nMid, nRight);\n\n fnMerge(rvnSort, rnInvCnt, nLeft, nMid, nRight);\n\n }\n\n}\n\n\n\nvoid fnResult(llong nInvCnt)\n\n{\n\n cout << nInvCnt << endl; \n\n}\n\n\n\nint main()\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n vector<int> vnSort;\n\n\n\n fnInput(vnSort);\n\n\n\n int nLeft = 0;\n\n int nRight = vnSort.size();\n\n llong nInvCnt = 0;\n\n fnMergeSort(vnSort, nInvCnt, nLeft, nRight);\n\n\n\n fnResult(nInvCnt);\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002566"}155{"label": "pie_cpp_test_002567", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002567.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002567", "task_path": "tasks/test/pie_cpp_test_002567.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define M 200000\n\n\n\nlong long cnt = 0;\n\nint A[M], L[M / 2 + 1], R[M / 2 + 1];\n\n \n\nint merge(int l, int m, int r){\n\n int n1 = m - l, n2 = r - m, i, j;\n\n for(i = 0;i < n1;i++)L[i] = A[i + l];\n\n for(i = 0;i < n2;i++)R[i] = A[i + m];\n\n i = j = 0;\n\n for(int k = 0;k < r - l;k++){\n\n if(j == n2 || (i < n1 && L[i] <= R[j]))A[k + l] = L[i++];\n\n else A[k + l] = R[j++], cnt += n1 - i;\n\n }\n\n}\n\n\n\nint mergeSort(int l, int r){\n\n if(l + 1 < r){\n\n int m = (l + r) / 2;\n\n mergeSort(l, m);\n\n mergeSort(m, r);\n\n merge(l, m, r);\n\n }\n\n}\n\n \n\nint main(){\n\n int n;\n\n scanf(\"%d\", &n);\n\n for(int i = 0;i < n;i++)scanf(\"%d\", &A[i]);\n\n\tmergeSort(0, n);\n\n\tprintf(\"%lld\\n\", cnt);\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002567"}156{"label": "pie_cpp_test_002568", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002568.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002568", "task_path": "tasks/test/pie_cpp_test_002568.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n//?????\u00a2merge\n\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#define MAX 200000\n\n#define INF 2000000000\n\n\n\nusing namespace std;\n\n\n\nint LEFT[MAX/2+2],RIGHT[MAX/2+2];\n\n\n\nlong long s=0;\n\n\n\nvoid Merge(int A[], int left,int mid,int right){\n\n int n1 = mid - left;\n\n int n2 = right - mid;\n\n \n\n for (int i = 0; i < n1; i++) LEFT[i] = A[i+left];\n\n for (int i = 0; i < n2; i++) RIGHT[i] = A[i+mid];\n\n \n\n LEFT[n1] = INF;\n\n RIGHT[n2] = INF;\n\n \n\n int countL=0,countR=0;\n\n int N = n1 + n2;\n\n for (int i = 0; i < N; i++) {\n\n \n\n int plus = countL + countR;\n\n if (LEFT[countL] <= RIGHT[countR]) {\n\n A[left+plus] = LEFT[countL];\n\n countL++;\n\n }else{\n\n A[left+plus] = RIGHT[countR];//????????\u00a7?????\u00a2?????????????????????????????\u00b0???n1 - countL\n\n s += n1-countL;\n\n countR++;\n\n }\n\n }\n\n}\n\n\n\nvoid MergeSort(int A[],int left ,int right){\n\n int mid = (left + right)/2;\n\n if (right - left > 1) {\n\n MergeSort(A,left,mid);\n\n MergeSort(A,mid,right);\n\n }\n\n Merge(A,left,mid,right);\n\n}\n\n\n\nint main(){\n\n int A[MAX];\n\n int n;\n\n cin >> n;\n\n for (int i = 0; i < n; i++) {\n\n cin >> A[i];\n\n }\n\n \n\n MergeSort(A,0,n);\n\n \n\n cout << s << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002568"}157{"label": "pie_cpp_test_002569", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002569.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002569", "task_path": "tasks/test/pie_cpp_test_002569.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ll long long\n\n#define INF 999999999\n\n#define MOD 1000000007\n\n#define rep(i,n) for(int i=0;i<n;i++)\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int,int>P;\n\n\n\nconst int MAX_N = 200005;\n\n\n\nint a[MAX_N];\n\nint k[MAX_N];\n\nint bit[MAX_N+1],n;\n\nmap<int,int> mp;\n\n\n\n//i???????????\u00a7??????????\u00a8??????????(i???1????????????)\n\nint sum(int i)\n\n{\n\n\tint s = 0;\n\n\twhile(i>0){\n\n\t\ts += bit[i];\n\n\t\ti -= i & -i;\n\n\t}\n\n\treturn s;\n\n}\n\n//i???????????????x????????????(i???1????????????)\n\nvoid add(int i,int x)\n\n{\n\n\twhile(i <= n){\n\n\t\tbit[i] += x;\n\n\t\ti += i & -i;\n\n\t}\n\n}\n\n\n\nint main()\n\n{\n\n\tcin >> n;\n\n\trep(i,n){\n\n\t\tscanf(\"%d\",&a[i]);\n\n\t\tk[i] = a[i];\n\n\t\tmp[a[i]] = i;\n\n\t}\n\n\tsort(a,a+n);\n\n\trep(i,n){\n\n\t\tk[mp[a[i]]] = i+1;\n\n\t}\n\n\tll ans = 0;\n\n\trep(j,n){\n\n\t\tans += j - sum(k[j]);\n\n\t\tadd(k[j],1);\n\n\t}\n\n\tprintf(\"%lld\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002569"}158{"label": "pie_cpp_test_002570", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002570.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002570", "task_path": "tasks/test/pie_cpp_test_002570.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <map>\n\n\n\nusing namespace std;\n\n\n\nusing i64=long long;\n\n\n\ntemplate <typename T>\n\nstruct BinaryIndexedTree {\n\n size_t n;\n\n vector<T> tree;\n\n BinaryIndexedTree(size_t n, T e=0): n(n) {\n\n tree = vector<T>(n+1, e);\n\n }\n\n void add(size_t i, T w) {\n\n // v[i] += w;\n\n // i in [1, n]\n\n for (size_t j=i; j<=n; j+=j&-j)\n\n tree[j] += w;\n\n }\n\n T sum(T m) {\n\n // returns sum of v[i] for i in [1, m]\n\n T sum_=0;\n\n for (size_t i=m; i>0; i-=i&-i)\n\n sum_ += tree[i];\n\n\n\n return sum_;\n\n }\n\n};\n\n\n\nint main() {\n\n size_t n;\n\n scanf(\"%zu\", &n);\n\n\n\n vector<int> a(n);\n\n for (size_t i=0; i<n; ++i)\n\n scanf(\"%d\", &a[i]);\n\n\n\n map<int, size_t> m;\n\n for (size_t i=0; i<n; ++i)\n\n m[a[i]] = i;\n\n\n\n vector<int> b(n);\n\n int rank_=1;\n\n for (pair<const int, size_t> p: m)\n\n b[p.second] = rank_++;\n\n\n\n BinaryIndexedTree<i64> tree(n+1);\n\n i64 res=0;\n\n for (size_t i=0; i<n; ++i) {\n\n res += i-tree.sum(b[i]);\n\n tree.add(b[i], 1);\n\n }\n\n\n\n printf(\"%lld\\n\", res);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002570"}159{"label": "pie_cpp_test_002571", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002571.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002571", "task_path": "tasks/test/pie_cpp_test_002571.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <map>\n\n\n\n#define MAX_N 200001\n\n\n\nusing namespace std;\n\n\n\ntypedef long long int LL;\n\n\n\nstruct fenwick_tree {\n\n int N;\n\n vector<int> bit;\n\n fenwick_tree(int num) : bit(num + 1, 0) { N = num; }\n\n int Sum(int a) {\n\n int ret = 0;\n\n for (int x = a; x > 0; x -= x & -x) {\n\n ret += bit[x];\n\n }\n\n return ret;\n\n }\n\n void Add(int a, int w) {\n\n for (int x = a; x <= N; x += x & -x) {\n\n bit[x] += w;\n\n }\n\n }\n\n};\n\n\n\nint main() {\n\n int n, a[MAX_N], b[MAX_N];\n\n LL ans = 0;\n\n map<int, int> mp;\n\n\n\n cin >> n;\n\n fenwick_tree bit(n);\n\n\n\n for (int i = 0; i < n; i++) {\n\n cin >> a[i];\n\n b[i] = a[i];\n\n }\n\n\n\n sort(b, b+n);\n\n\n\n for (int i = 0; i < n; i++) {\n\n mp[b[i]] = i+1;\n\n }\n\n for (int i = 0; i < n; i++) {\n\n ans += i - bit.Sum(mp[a[i]]);\n\n bit.Add(mp[a[i]], 1);\n\n }\n\n\n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002571"}160{"label": "pie_cpp_test_002572", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 130, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 130, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002572.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002572", "task_path": "tasks/test/pie_cpp_test_002572.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <climits>\n\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <set>\n\n#include <map>\n\n#include <stack>\n\n#include <queue>\n\n#include <deque>\n\n#include <functional>\n\n\n\nusing namespace std;\n\n\n\n#define fst first\n\n#define scd second\n\n#define PB push_back\n\n#define MP make_pair\n\n#define all(a) a.begin(),a.end()\n\n#define rall(a) a.rbegin(),a.rend()\n\n#define omajinai ios::sync_with_stdio(false);cin.tie(0)\n\n#define rep(i,x) for(int i=0;i<(int)(x);++i)\n\n#define rep1(i,x) for(int i=1;i<=(int)(x);++i)\n\n\n\nusing ll=long long;\n\nusing ld=long double;\n\nusing vi=vector<int>;\n\nusing vvi=vector<vi>;\n\nusing pii=pair<int, int>;\n\nusing vpii=vector<pii>;\n\n\n\ntemplate<class T,class U>ostream&operator<<(ostream&os,const pair<T,U>p){os<<\"(\"<<p.fst<<\", \"<<p.scd<<\")\";return os;}\n\ntemplate<class T>ostream&operator<<(ostream&os,const vector<T>v){rep(i,v.size()){if(i)os<<\", \";os<<v[i];}return os;}\n\ntemplate<typename T>T&max(T&a,T&b){if(a>=b)return a;return b;}\n\ntemplate<typename T>T&min(T&a,T&b){if(a < b)return a;return b;}\n\ntemplate<typename T>bool chmax(T&a,T b){if(a < b){a=b;return true;}return false;}\n\ntemplate<typename T>bool chmin(T&a,T b){if(a > b){a=b;return true;}return false;}\n\nint in(){int a;scanf(\"%d\",&a);return a;}\n\nll lin(){ll a;scanf(\"%lld\",&a);return a;}\n\n\n\nconstexpr int inf = 1e9;\n\nconstexpr ll linf = 3e18;\n\nconstexpr double eps = 1e-9;\n\n\n\nint n;\n\nint a[200010], b[200010];\n\nint bit[200010];\n\nmap<int, int> m;\n\n\n\nint sum(int i)\n\n{\n\n int s = 0;\n\n while (i > 0) {\n\n s += bit[i];\n\n i -= i & -i;\n\n }\n\n return s;\n\n}\n\n\n\nvoid add(int i, int x)\n\n{\n\n while (i <= n) {\n\n bit[i] += x;\n\n i += i & -i;\n\n }\n\n}\n\n\n\nint main()\n\n{\n\n cin >> n;\n\n\n\n rep(i, n) cin >> a[i], b[i] = a[i];\n\n\n\n sort(b, b+n);\n\n\n\n rep(i, n) {\n\n m[b[i]] = i+1;\n\n }\n\n\n\n ll ans = 0;\n\n\n\n rep(i, n) {\n\n ans += i - sum(m[a[i]]);\n\n add(m[a[i]], 1);\n\n }\n\n\n\n cout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002572"}161{"label": "pie_cpp_test_002573", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002573.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002573", "task_path": "tasks/test/pie_cpp_test_002573.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <climits>\n\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <set>\n\n#include <map>\n\n#include <stack>\n\n#include <queue>\n\n#include <deque>\n\n#include <functional>\n\n\n\nusing namespace std;\n\n\n\n#define fst first\n\n#define scd second\n\n#define PB push_back\n\n#define MP make_pair\n\n#define all(a) a.begin(),a.end()\n\n#define rall(a) a.rbegin(),a.rend()\n\n#define omajinai ios::sync_with_stdio(false);cin.tie(0)\n\n#define rep(i,x) for(int i=0;i<(int)(x);++i)\n\n#define rep1(i,x) for(int i=1;i<=(int)(x);++i)\n\n\n\nusing ll=long long;\n\nusing ld=long double;\n\nusing vi=vector<int>;\n\nusing vvi=vector<vi>;\n\nusing pii=pair<int, int>;\n\nusing vpii=vector<pii>;\n\n\n\ntemplate<class T,class U>ostream&operator<<(ostream&os,const pair<T,U>p){os<<\"(\"<<p.fst<<\", \"<<p.scd<<\")\";return os;}\n\ntemplate<class T>ostream&operator<<(ostream&os,const vector<T>v){rep(i,v.size()){if(i)os<<\", \";os<<v[i];}return os;}\n\ntemplate<typename T>T&max(T&a,T&b){if(a>=b)return a;return b;}\n\ntemplate<typename T>T&min(T&a,T&b){if(a < b)return a;return b;}\n\ntemplate<typename T>bool chmax(T&a,T b){if(a < b){a=b;return true;}return false;}\n\ntemplate<typename T>bool chmin(T&a,T b){if(a > b){a=b;return true;}return false;}\n\nint in(){int a;scanf(\"%d\",&a);return a;}\n\nll lin(){ll a;scanf(\"%lld\",&a);return a;}\n\n\n\nconstexpr int inf = 1e9;\n\nconstexpr ll linf = 3e18;\n\nconstexpr double eps = 1e-9;\n\n\n\nint n;\n\nint a[200010], b[200010];\n\nint bit[200010];\n\nmap<int, int> m;\n\n\n\nint sum(int i)\n\n{\n\n int s = 0;\n\n while (i > 0) {\n\n s += bit[i];\n\n i -= i & -i;\n\n }\n\n return s;\n\n}\n\n\n\nvoid add(int i, int x)\n\n{\n\n while (i <= n) {\n\n bit[i] += x;\n\n i += i & -i;\n\n }\n\n}\n\n\n\nint main()\n\n{\n\n omajinai;\n\n\n\n cin >> n;\n\n\n\n rep(i, n) cin >> a[i], b[i] = a[i];\n\n\n\n sort(b, b+n);\n\n\n\n rep(i, n) {\n\n m[b[i]] = i+1;\n\n }\n\n\n\n ll ans = 0;\n\n\n\n rep(i, n) {\n\n ans += i - sum(m[a[i]]);\n\n add(m[a[i]], 1);\n\n }\n\n\n\n cout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002573"}162{"label": "pie_cpp_test_002574", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002574.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002574", "task_path": "tasks/test/pie_cpp_test_002574.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define FOR(i,s,e) for((i)=(s);(i)<(int)(e);(i)++)\n\n#define REP(i,e) FOR(i,0,e)\n\n\n\n#define all(o) (o).begin(), (o).end()\n\n#define psb(x) push_back(x)\n\n#define mp(x,y) make_pair((x),(y))\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> PII;\n\n\n\nconst double EPS = 1e-10;\n\nconst int INF = 1000000001;\n\nconst int N = 200000;\n\nint n;\n\nint a[N], L[N], R[N];\n\n\n\nll merge(int l, int m, int r) {\n\n ll res = 0LL;\n\n int i, j, k;\n\n int nl = m - l;\n\n int nr = r - m;\n\n for (i=0; i<nl; i++)\n\n L[i] = a[l + i];\n\n for (i=0; i<nr; i++)\n\n R[i] = a[m + i];\n\n \n\n L[nl] = R[nr] = INF;\n\n \n\n/*\n\n k = l;\n\n i = j = 0;\n\n while (i<nl || j<nr) {\n\n if (i==nl)\n\n a[k++] = R[j++]; \n\n else if (j==nr)\n\n a[k++] = L[i++];\n\n else if (L[i] <= R[j])\n\n a[k++] = L[i++];\n\n else {\n\n a[k++] = R[j++]; \n\n res += nl - i;\n\n }\n\n }\n\n*/\n\n i = j = 0;\n\n for (k=l; k<r; k++) {\n\n if (L[i] <= R[j]) {\n\n a[k] = L[i++];\n\n// res += j;\n\n } else {\n\n res += (ll)(nl - i);\n\n a[k] = R[j++];\n\n }\n\n }\n\n\n\n return res;\n\n}\n\n\n\nll merge_sort(int l, int r) {\n\n ll res = 0;\n\n if (l+1<r) {\n\n int m = (l+r)/2;\n\n res = merge_sort(l, m);\n\n res += merge_sort(m, r);\n\n res += merge(l, m, r);\n\n }\n\n return res;\n\n}\n\n\n\nint main() {\n\n scanf(\"%d \", &n);\n\n for (int i=0; i<n; i++)\n\n scanf(\"%d \", a+i);\n\n\n\n printf(\"%lld\\n\", merge_sort(0, n));\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002574"}163{"label": "pie_cpp_test_002575", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002575.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002575", "task_path": "tasks/test/pie_cpp_test_002575.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <cstring>\n\n#include <sstream>\n\n#include <fstream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <stack>\n\n#include <queue>\n\n#include <chrono>\n\n#include <numeric>\n\n#include <set>\n\n#define _USE_MATH_DEFINES\n\n#include <cmath>\n\n#include <math.h>\n\n#include <iomanip>\n\n#include <list>\n\n#include <limits>\n\n\n\nusing namespace std;\n\n\n\nclass cDivedeAndConquer\n\n{\n\n\tint mn;\n\n\tlong long m_count;\n\n\tvector<long long> m_va;\n\n\tnumeric_limits<long long> lll;\n\n\n\n\tvoid mSort(vector<long long> &va, int left, int right);\n\n\tvoid merge(vector<long long> &va, int left, int mid, int right);\n\n\n\npublic:\n\n\tcDivedeAndConquer(int n, vector<long long>& va)\n\n\t\t:mn(n), m_count(0)\n\n\t{\n\n\t\tm_va = va;\n\n\t\tmSort(m_va, 0, m_va.size());\n\n\t\tcout << m_count << endl;\n\n\t}\n\n};\n\n\n\nvoid cDivedeAndConquer::mSort(vector<long long> &va, int left, int right)\n\n{\n\n\tif (left + 1 < right)\n\n\t{\n\n\t\tint mid = (left + right) / 2;\n\n\t\tmSort(va, left, mid);\n\n\t\tmSort(va, mid, right);\n\n\t\tmerge(va, left, mid, right);\n\n\t}\n\n}\n\n\n\nvoid cDivedeAndConquer::merge(vector<long long> &va, int left, int mid, int right)\n\n{\n\n\tint n1 = mid - left;\n\n\tint n2 = right - mid;\n\n\tvector<long long> vL(n1 + 1), vR(n2 + 1);\n\n\n\n\tfor (int i = 0; i < n1; ++i)\n\n\t{\n\n\t\tvL[i] = va[left + i];\n\n\t}\n\n\tfor (int i = 0; i < n2; ++i)\n\n\t{\n\n\t\tvR[i] = va[mid + i];\n\n\t}\n\n\n\n\tvL[n1] = lll.max();\n\n\tvR[n2] = lll.max();\n\n\n\n\tint i = 0;\n\n\tint j = 0;\n\n\n\n\tfor (int k = left; k < right; ++k)\n\n\t{\n\n\t\tif (vL.at(i) <= vR.at(j))\n\n\t\t{\n\n\t\t\tva.at(k) = vL.at(i++);\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tva.at(k) = vR.at(j++);\n\n\t\t\tm_count += (right - left) / 2 - i;\n\n\t\t}\n\n\t}\n\n}\n\n\n\nint main()\n\n{\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\tint n;\n\n\tcin >> n;\n\n\tcin.ignore();\n\n\n\n\tlong long a;\n\n\tvector<long long> va;\n\n\tfor (int i = 0; i < n; ++i)\n\n\t{\n\n\t\tcin >> a;\n\n\t\tva.push_back(a);\n\n\t}\n\n\n\n\tcDivedeAndConquer cdc(n, va);\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002575"}164{"label": "pie_cpp_test_002576", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002576.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002576", "task_path": "tasks/test/pie_cpp_test_002576.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long int ll;\n\ntypedef pair<int, int> P;\n\ntypedef pair<ll, ll> Pll;\n\ntypedef vector<int> Vi;\n\ntypedef tuple<int, int, int> T;\n\n#define FOR(i,s,x) for(int i=s;i<(int)(x);i++)\n\n#define REP(i,x) FOR(i,0,x)\n\n#define ALL(c) c.begin(), c.end()\n\n#define DUMP( x ) cerr << #x << \" = \" << ( x ) << endl\n\n\n\n/*\n\nRange Sum Query by FenwickTree(Binary Indexed Tree)\n\n\n\ntotal number: n\n\nqueries:\n\n 1. add(i, val): bit[i] += val \n\n 2. sum(n): sum(bit[0] + ... + bit[n-1])\n\ntime complexity: O(log n)\n\nspace complexity: O(N)\n\n\n\nSelf-balancing binary search tree or Segment Tree can do the same, it takes longer to program and complexity also increases.\n\n\n\nThanks: http://hos.ac/slides/20140319_bit.pdf\n\n \n\nused in ARC031 C, indeednow finalB E, DSL2B(AOJ), ARC033 C, yukicoder No.59\n\n*/\n\n\n\ntemplate<typename T> struct RangeSumQuery {\n\n int N;\n\n vector<T> dat;\n\n\n\n RangeSumQuery(int N) : N(N) {\n\n assert(N > 0);\n\n dat.resize(N, 0);\n\n }\n\n\n\n void add(int k, T val) {\n\n assert(0 <= k && k < N);\n\n for (int x = k; x < N; x |= x + 1) {\n\n dat[x] += val;\n\n }\n\n }\n\n\n\n // [0, k)\n\n T sum(int k) {\n\n assert(k >= 0);\n\n T ret = 0;\n\n for (int x = k - 1; x >= 0; x = (x & (x + 1)) - 1) {\n\n ret += dat[x];\n\n }\n\n return ret;\n\n }\n\n // [l, r)\n\n T sum(int l, int r) {\n\n assert(0 <= l && l <= r && r <= N);\n\n return sum(r) - sum(l);\n\n }\n\n\n\n T index(int k) {\n\n assert(0 <= k && k < N);\n\n return sum(k+1) - sum(k);\n\n }\n\n};\n\n\n\nint A[200010];\n\nP idx[200010];\n\n\n\nint main() {\n\n // use scanf in CodeForces!\n\n cin.tie(0);\n\n ios_base::sync_with_stdio(false);\n\n\n\n int N;\n\n cin >> N;\n\n REP(i, N) {\n\n int a;\n\n cin >> a;\n\n idx[i] = P(a, i);\n\n }\n\n RangeSumQuery<ll> fwt(N);\n\n sort(idx, idx + N);\n\n\n\n ll ans = 0;\n\n REP(i, N) {\n\n P p = idx[i];\n\n ans += i - fwt.sum(p.second);\n\n fwt.add(p.second, 1);\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002576"}165{"label": "pie_cpp_test_002577", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002577.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002577", "task_path": "tasks/test/pie_cpp_test_002577.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n// \u53cd\u8ee2\u6570\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<cstring>\n\n#include<stack>\n\n#include<algorithm>\n\n#include<iostream>\n\n#include<cmath>\n\n#include<vector>\n\n\n\nusing namespace std;\n\n\n\n#define MAX_N 200000\n\nconst int INFTY = 2147483647;\n\n\n\ntypedef long long llong;\n\n\n\nint cmp_count = 0;\n\n\n\nllong mergeSort(int A[], int n, int left, int right);\n\nllong merge(int A[], int n, int left, int mid, int right);\n\n\n\nint main(void)\n\n{\n\n llong flip_count;\n\n\n\n int A[MAX_N];\n\n int n;\n\n\n\n scanf(\"%d\", &n);\n\n\n\n for(int i = 0; i < n; i++)\n\n {\n\n scanf(\"%d\", &A[i]);\n\n }\n\n\n\n // \u30de\u30fc\u30b8\u30bd\u30fc\u30c8\u3092\u5b9f\u65bd\n\n flip_count = mergeSort(A, n, 0, n);\n\n\n\n/*\n\n // \u7d50\u679c\u306e\u8868\u793a\n\n for(int i = 0; i < n; i++)\n\n {\n\n if( i )\n\n {\n\n printf(\" \");\n\n }\n\n\n\n printf(\"%d\", A[i]);\n\n }\n\n\n\n printf(\"\\n%d\\n\", cmp_count);\n\n\n\n*/\n\n printf(\"%lld\\n\", flip_count);\n\n\n\n return 0;\n\n}\n\n\n\n// \u30de\u30fc\u30b8\u30bd\u30fc\u30c8\u3092\u5b9f\u65bd\u3059\u308b\u95a2\u6570\n\nllong mergeSort(int A[], int n, int left, int right)\n\n{\n\n llong c1, c2, c3, cnt = 0;\n\n\n\n // \u6700\u5c0f\u5358\u4f4d\u307e\u3067\u5206\u5272\u3059\u308b\n\n if ( left + 1 < right )\n\n {\n\n int mid = ( left + right ) / 2;\n\n c1 = mergeSort(A, n, left, mid);\n\n c2 = mergeSort(A, n, mid, right);\n\n c3 = merge(A, n, left, mid, right);\n\n\n\n cnt = c1 + c2 + c3;\n\n }\n\n\n\n return cnt;\n\n}\n\n\n\n// \u5206\u5272\u3055\u308c\u305f\u8981\u7d20\u3092\u4e26\u3073\u66ff\u3048\u308b\u95a2\u6570\n\nllong merge(int A[], int n, int left, int mid, int right)\n\n{\n\n\n\n // \u53cd\u8ee2\u6570\n\n llong flip_count = 0;\n\n\n\n vector<int> L, R;\n\n\n\n int n1 = mid - left;\n\n int n2 = right - mid;\n\n\n\n // L[0...n1], R[0...n2] \u3092\u751f\u6210\n\n for(int i = 0; i < n1; i++)\n\n {\n\n // \u524d\u534a\u90e8\u5206\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\n\n L.push_back(A[left + i]);\n\n }\n\n\n\n for(int i = 0; i < n2; i++)\n\n {\n\n // \u5f8c\u534a\u90e8\u5206\u306e\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\n\n R.push_back(A[mid + i]);\n\n }\n\n\n\n // \u524d\u534a\u3068\u5f8c\u534a\u306e\u914d\u5217\u306e\u6700\u5f8c\u306e\u8981\u7d20\u306b\u6700\u5927\u5024\u3092\u5165\u308c\u3066\u304a\u304f\n\n // ( \u6bd4\u8f03\u6642\u306e\u756a\u5175\u3068\u3057\u3066\u4f7f\u7528 )\n\n L.push_back(INFTY);\n\n R.push_back(INFTY);\n\n\n\n int i = 0;\n\n int j = 0;\n\n\n\n for(int k = left; k < right; k++)\n\n {\n\n // \u524d\u534a\u90e8\u5206\u306e\u914d\u5217\u3068\u5f8c\u534a\u90e8\u5206\u306e\u914d\u5217\u3092\u6bd4\u8f03\u3059\u308b\n\n if ( L[i] <= R[j] )\n\n {\n\n A[k] = L[i++];\n\n }\n\n else\n\n {\n\n A[k] = R[j++];\n\n // \u53cd\u8ee2\u6570\u306e\u8a08\u7b97\n\n flip_count += n1 - i;\n\n }\n\n\n\n cmp_count++;\n\n }\n\n\n\n return flip_count;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002577"}166{"label": "pie_cpp_test_002578", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002578.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002578", "task_path": "tasks/test/pie_cpp_test_002578.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define REP(i,n) for (int i=0;i<(n);i++)\n\n\n\nusing namespace std;\n\n\n\nclass binary_indexed_tree {\n\n private:\n\n int size;\n\n long long *a;\n\n public:\n\n binary_indexed_tree(int n);\n\n void add(int i, long long x);\n\n long long sum(int i);\n\n};\n\n\n\nbinary_indexed_tree::binary_indexed_tree(int n)\n\n{\n\n size = n;\n\n a = new long long[n]();\n\n}\n\n\n\nvoid binary_indexed_tree::add(int i, long long x)\n\n{\n\n for (int j = i; j < size; j |= j + 1) {\n\n a[j] += x;\n\n }\n\n}\n\n\n\nlong long binary_indexed_tree::sum(int i)\n\n{\n\n long long result = 0;\n\n for (int j = i; j >= 0; j = (j & (j + 1)) - 1) {\n\n result += a[j];\n\n }\n\n return result;\n\n}\n\n\n\nunsigned long long count_inversions_int(int *first, int *last, int max) {\n\n unsigned long long result = 0;\n\n binary_indexed_tree bit(max);\n\n for (int *it = last - 1; it >= first; --it) {\n\n result += bit.sum(*it-1);\n\n bit.add(*it, 1);\n\n }\n\n return result;\n\n}\n\n\n\ntemplate <class Iterator>\n\nunsigned long long count_inversions(Iterator first, Iterator last) {\n\n int size = distance(first, last);\n\n typedef typename iterator_traits<Iterator>::value_type T;\n\n pair<T, int> *a = new pair<T, int>[size];\n\n for (int i = 0; i < size; ++i) {\n\n a[i] = pair<T, int>(*(first + i), i);\n\n }\n\n sort(a, a + size);\n\n int *b = new int[size];\n\n for (int i = 0; i < size; ++i) {\n\n b[a[i].second] = i;\n\n }\n\n return count_inversions_int(b, b + size, size);\n\n}\n\n\n\nint main(void)\n\n{\n\n int n;\n\n int a[200000];\n\n cin >> n;\n\n REP(i, n) cin >> a[i];\n\n cout << count_inversions(a, a + n) << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002578"}167{"label": "pie_cpp_test_002579", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002579.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002579", "task_path": "tasks/test/pie_cpp_test_002579.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n#define Max 200000\n\n#define top 2000000000\n\ntypedef long long ll;\n\n\n\nll cnt = 0;\n\nint L[Max/2+2],R[Max/2+2];\n\n\n\nvoid merge(int A[],int n,int left,int mid,int right){\n\n\tint i,j,k;\n\n\tint n1 = mid - left;\n\n\tint n2 = right - mid;\n\n\tfor(i=0;i<n1;i++) L[i] = A[left+i];\n\n\tfor(i=0;i<n2;i++) R[i] = A[mid+i];\n\n\tL[n1] = R[n2] = top;\n\n\ti = j = 0;\n\n\tfor(k=left;k<right;){\n\n\t\tif(L[i]<=R[j]) A[k++] = L[i++];\n\n\t\telse{\n\n\t\t\tA[k++] = R[j++];\n\n\t\t\tcnt += n1 - i;\n\n\t\t} \n\n\t}\n\n}\n\n\n\nvoid mergeSort(int A[],int n,int left,int right){\n\n\tif(left+1<right){\n\n\t\tint mid = left + (right-left)/2;\n\n\t\tmergeSort(A,n,left,mid);\n\n\t\tmergeSort(A,n,mid,right);\n\n\t\tmerge(A,n,left,mid,right);\n\n\t}\n\n}\n\n\n\nint main(){\n\n\tint A[Max],n,i;\n\n\tcin>>n;\n\n\tfor(i=0;i<n;i++) cin>>A[i];\n\n\tmergeSort(A,n,0,n);\n\n\tcout<<cnt<<endl;\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002579"}168{"label": "pie_cpp_test_002580", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002580.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002580", "task_path": "tasks/test/pie_cpp_test_002580.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<queue>\n\nusing namespace std;\n\n\n\nlong merge(int A[], int left, int right){\n\n if (left == right) return 0;\n\n int mid = (left + right) / 2;\n\n long cnt = 0;\n\n cnt += merge(A, left, mid);\n\n cnt += merge(A, mid + 1, right);\n\n\n\n queue<int> a;\n\n for (int i = left; i <= mid; i++) {\n\n a.push(A[i]);\n\n }\n\n a.push(-1);\n\n queue<int> b;\n\n for (int i = mid + 1; i <= right; i++) {\n\n b.push(A[i]);\n\n }\n\n b.push(-1);\n\n\n\n for (int i = left; i <= right; i++) {\n\n if (a.front() > b.front()) {\n\n A[i] = a.front();\n\n cnt += b.size() - 1;\n\n a.pop();\n\n } else {\n\n A[i] = b.front();\n\n b.pop();\n\n }\n\n }\n\n return cnt;\n\n\n\n}\n\n\n\nint main(){\n\n int N;\n\n cin >> N;\n\n\n\n int A[N];\n\n for (int i = 0; i < N; i++) {\n\n cin >> A[i];\n\n }\n\n long cnt = merge(A, 0, N - 1);\n\n cout << cnt << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002580"}169{"label": "pie_cpp_test_002581", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002581.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002581", "task_path": "tasks/test/pie_cpp_test_002581.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <random>\n\nusing namespace std;\n\n\n\nrandom_device rd;\n\nmt19937 mt(rd());\n\n\n\ntemplate <class T>\n\nstruct tree\n\n{\n\n\tstruct node\n\n\t{\n\n\t\tT v;\n\n\t\tint c, p;\n\n\t\tnode *n[2];\n\n\n\n\t\tnode(T x)\n\n\t\t{\n\n\t\t\tv = x;\n\n\t\t\tc = 1;\n\n\t\t\tp = mt();\n\n\t\t\tn[0] = n[1] = nullptr;\n\n\t\t}\n\n\t};\n\n\n\n\ttypedef node N;\n\n\tN *root;\n\n\tlong counter;\n\n\n\n\ttree()\n\n\t{\n\n\t\troot = nullptr;\n\n\t\tcounter = 0;\n\n\t}\n\n\n\n\tinline int count(N *n) {return n ? n->c : 0;}\n\n\n\n\tN* rotate(N* r, int b) \n\n\t{\n\n\t\tN *s = r->n[1 - b];\n\n\n\n\t\tr->c += count(s->n[b]) - count(r->n[1 - b]);\n\n\t\tr->n[1 - b] = s->n[b];\n\n\n\n\t\ts->c += r->c - count(s->n[b]);\n\n\t\ts->n[b] = r;\n\n\t\treturn s;\n\n\t}\n\n\n\n\tN* insert(int x, N *t, int cnt)\n\n\t{\n\n\t\tif (!t) {\n\n\t\t\tcounter += cnt;\n\n\t\t\treturn new N(x);\n\n\t\t}\n\n\t\tint b = !(x < t->v);\n\n\t\tif (b)\n\n\t\t\tcnt -= 1 + count(t->n[0]);\n\n\t\tt->n[b] = insert(x, t->n[b], cnt);\n\n\t\tt->c++;\n\n\t\treturn t->p > t->n[b]->p ? rotate(t, 1 - b) : t;\n\n\t}\n\n\n\n\tvoid insert(T x)\n\n\t{\n\n\t\troot = insert(x, root, count(root));\n\n\t}\n\n};\n\n\n\nint main()\n\n{\n\n\tint\tn, x;\n\n\tscanf(\"%d\", &n);\n\n\n\n\ttree<int> t;\n\n\twhile (n--) {\n\n\t\tscanf(\"%d\", &x);\n\n\t\tt.insert(x);\n\n\t}\n\n\n\n\tprintf(\"%ld\\n\", t.counter);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002581"}170{"label": "pie_cpp_test_002582", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002582.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002582", "task_path": "tasks/test/pie_cpp_test_002582.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <random>\n\nusing namespace std;\n\n\n\nrandom_device rd;\n\nmt19937 mt(rd());\n\n\n\ntemplate <typename T>\n\nstruct tree\n\n{\n\n\tstruct node\n\n\t{\n\n\t\tT v;\n\n\t\tint c, p;\n\n\t\tnode *n[2];\n\n\n\n\t\tnode(T x)\n\n\t\t{\n\n\t\t\tv = x;\n\n\t\t\tc = 1;\n\n\t\t\tp = mt();\n\n\t\t\tn[0] = n[1] = nullptr;\n\n\t\t}\n\n\t};\n\n\n\n\ttypedef node N;\n\n\tN *root;\n\n\tlong counter;\n\n\n\n\ttree()\n\n\t{\n\n\t\troot = nullptr;\n\n\t\tcounter = 0;\n\n\t}\n\n\n\n\tinline int count(N *n) {return n ? n->c : 0;}\n\n\n\n\tN* rotate(N* r, int b) \n\n\t{\n\n\t\tN *s = r->n[1 - b];\n\n\n\n\t\tr->c += count(s->n[b]) - count(r->n[1 - b]);\n\n\t\tr->n[1 - b] = s->n[b];\n\n\n\n\t\ts->c += r->c - count(s->n[b]);\n\n\t\ts->n[b] = r;\n\n\t\treturn s;\n\n\t}\n\n\n\n\tN* insert(int x, N *t, int cnt)\n\n\t{\n\n\t\tif (!t) {\n\n\t\t\tcounter += cnt;\n\n\t\t\treturn new N(x);\n\n\t\t}\n\n\t\tint b = !(x < t->v);\n\n\t\tif (b)\n\n\t\t\tcnt -= 1 + count(t->n[0]);\n\n\t\tt->n[b] = insert(x, t->n[b], cnt);\n\n\t\tt->c++;\n\n\t\treturn (t->p > t->n[b]->p) ? rotate(t, 1 - b) : t;\n\n\t}\n\n\n\n\tvoid insert(T x)\n\n\t{\n\n\t\troot = insert(x, root, count(root));\n\n\t}\n\n};\n\n\n\nstatic inline int in()\n\n{\n\n int c, n = 0;\n\n while ((c = getchar_unlocked()) >= '0' && c <= '9')\n\n\t\tn = 10 * n + (c - '0');\n\n return n;\n\n}\n\n\n\nint main()\n\n{\n\n\tint\tn = in();\n\n\n\n\ttree<int> t;\n\n\twhile (n--)\n\n\t\tt.insert(in());\n\n\n\n\tprintf(\"%ld\\n\", t.counter);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002582"}171{"label": "pie_cpp_test_002583", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002583.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002583", "task_path": "tasks/test/pie_cpp_test_002583.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <algorithm>\n\n\n\n#define MAX_N (200010)\n\n#define HALF_MAX_N ( MAX_N / 2 )\n\n#define INF (1e9 + 10)\n\ntypedef long long int ll;\n\nint A[MAX_N];\n\nint C[MAX_N];\n\nint L[HALF_MAX_N];\n\nint R[HALF_MAX_N];\n\n\n\nvoid mergeSort( int A[], int left, int right );\n\nvoid merge( int A[], int left, int mid, int right );\n\n\n\nint main()\n\n{\n\n int n;\n\n ll ans = 0;\n\n\n\n scanf(\"%d\", &n);\n\n\n\n for ( int i = 0; i < n; i++ ) {\n\n\tscanf(\"%d\", &A[i]);\n\n }\n\n \n\n mergeSort( A, 0, n );\n\n\n\n for ( int i = 0; i < n; i++ ) {\n\n\tans += C[i];\n\n }\n\n\n\n printf(\"%lld\\n\", ans);\n\n\n\n return 0;\n\n}\n\n\n\n\n\nvoid mergeSort( int A[], int left, int right )\n\n{\n\n if ( right - left > 1 ) {\n\n\tint mid = ( left + right ) >> 1;\n\n\tmergeSort( A, left, mid );\n\n\tmergeSort( A, mid, right );\n\n\tmerge( A, left, mid, right );\n\n }\n\n}\n\n\n\nvoid merge( int A[], int left, int mid, int right )\n\n{\n\n int i = 0;\n\n int j = 0;\n\n\n\n for ( int k = left; k < mid; k++ ) {\n\n\tL[i] = A[k];\n\n\ti++;\n\n }\n\n for ( int k = mid; k < right; k++ ) {\n\n\tR[j] = A[k];\n\n\tj++;\n\n }\n\n \n\n L[i] = R[j] = INF;\n\n \n\n i = j = 0;\n\n\n\n for ( int k = left; k < right; k++ ) {\n\n\tif ( L[i] <= R[j] ) {\n\n\t A[k] = L[i];\n\n\t i++;\n\n\t}\n\n\telse {\n\n\t A[k] = R[j];\n\n\t C[k] += ( (mid - left) - i );\n\n\t j++;\n\n\t}\n\n } \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002583"}172{"label": "pie_cpp_test_002584", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002584.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002584", "task_path": "tasks/test/pie_cpp_test_002584.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <ios>\n\n#include <limits.h>\n\nusing namespace std;\n\n#define FOR(i, s, e) for(int i = s; i < e; ++i)\n\ntypedef vector<long> vec;\n\nlong long c = 0;\n\n\n\nvoid Merge(vec& vA, int l, int m, int r)\n\n{\n\n\tint n1 = m - l;\n\n\tint n2 = r - m;\n\n\tvec vL(n1 + 1, 0);\n\n\tvec vR(n2 + 1, 0);\n\n\tFOR(i, 0, n1) vL[i] = vA[l + i];\n\n\tFOR(i, 0, n2) vR[i] = vA[m + i];\n\n\tvL[n1] = LONG_MAX;\n\n\tvR[n2] = LONG_MAX;\n\n\tint s = 0, t = 0;\n\n\tFOR(i, l, r){\n\n\t\tif ( vL[s] > vR[t]){\n\n\t\t\tvA[i] = vR[t];\n\n\t\t\t++t;\n\n\t\t\tc += n1 - s;\n\n\t\t}else{\n\n\t\t\tvA[i] = vL[s];\n\n\t\t\t++s;\n\n\t\t}\n\n\t}\n\n}\n\n\n\nvoid CountCross(vec& vA, int l, int r)\n\n{\n\n\tif (l + 1 >= r) return;\n\n\tint m = (l + r) / 2;\n\n\tCountCross(vA, l, m);\n\n\tCountCross(vA, m, r);\n\n\tMerge(vA, l, m, r);\n\n}\n\n\n\nint main()\n\n{\n\n\tint n;\n\n\tcin >> n;\n\n\tvec vA(n, 0);\n\n\tFOR(i, 0, n) cin >> vA[i];\n\n\tCountCross(vA, 0, n);\n\n\tcout << c << \"\\n\";\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002584"}173{"label": "pie_cpp_test_002585", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002585.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002585", "task_path": "tasks/test/pie_cpp_test_002585.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nlong long cnt = 0; //for counting num of invensions\n\n\n\nvoid merge(int *a, int left, int mid, int right) {\n\n\n\n int nL = mid - left;\n\n int nR = right - mid;\n\n\n\n int L[nL], R[nR];\n\n\n\n for(int i=0; i<nL; i++) {\n\n L[i] = a[left + i];\n\n }\n\n for(int i=0; i<nR; i++) {\n\n R[i] = a[mid + i];\n\n }\n\n \n\n\n\n int indexL = 0, indexR = 0;\n\n int k = left;\n\n while(k<right) {\n\n\n\n if( indexL>=nL ) { //in case that L[] has no element\n\n a[k] = R[indexR]; //this is not inversion\n\n indexR++;\n\n } else if( indexR>=nR ) { //in case that R[] has no element\n\n a[k] = L[indexL]; //this is not inversion\n\n indexL++;\n\n } else if( L[indexL] <= R[indexR] ) {\n\n a[k] = L[indexL]; //this is not inversion\n\n indexL++;\n\n } else if( L[indexL] > R[indexR] ) { //actually, this condition is not needed\n\n a[k] = R[indexR]; //this is inversion\n\n indexR++;\n\n cnt += nL - indexL; //num of inversion = num of elements remaining in L[]\n\n }\n\n \n\n k++;\n\n }\n\n\n\n// //display info. about this step\n\n// cout << \"-----\\n\";\n\n// cout << \"merge(\" << left << \", \" << mid << \", \" << right <<\")\" << endl;\n\n//\n\n// cout << \"L\" << \" = \"; for(int i=0; i<nL; i++) {cout << L[i] << \" \";} cout << endl;\n\n// cout << \"R\" << \" = \"; for(int i=0; i<nR; i++) {cout << R[i] << \" \";} cout << endl;\n\n// \n\n// cout << \"cnt = \" << cnt << endl;\n\n\n\n return;\n\n}\n\n\n\n\n\nvoid mergeSort(int *a, int left, int right) {\n\n\n\n if(left+1 < right) {\n\n int mid = (left + right) / 2;\n\n\n\n mergeSort(a, left, mid);\n\n mergeSort(a, mid, right);\n\n\n\n merge(a, left, mid, right);\n\n\n\n }\n\n\n\n return;\n\n}\n\n\n\n\n\nint main(void) {\n\n int N;\n\n cin >> N;\n\n\n\n int a[N];\n\n for(int i=0; i<N; i++) {\n\n cin >> a[i];\n\n }\n\n\n\n// //display a[] before sorting\n\n// cout << \"a[] = \";\n\n// for(int i=0; i<N; i++) {\n\n// cout << a[i] << \" \";\n\n// }\n\n// cout << endl;\n\n\n\n //merge sort a[]\n\n mergeSort(a, 0, N);\n\n\n\n// //display a[] after sorting\n\n// cout << \"a[] = \";\n\n// for(int i=0; i<N; i++) {\n\n// cout << a[i] << \" \";\n\n// }\n\n// cout << endl;\n\n \n\n\n\n// cout << \"Num of inversions = \";\n\n cout << cnt << endl;\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002585"}174{"label": "pie_cpp_test_002586", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002586.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002586", "task_path": "tasks/test/pie_cpp_test_002586.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nconst int SENTINEL = 1000000005;\n\n\n\nlong long merge(vector<int> & a, int left, int mid, int right){\n\n auto n1 = mid - left;\n\n auto n2 = right - mid;\n\n vector<int> L(n1);\n\n vector<int> R(n2);\n\n copy(a.begin()+left, a.begin()+mid, L.begin());\n\n copy(a.begin()+mid, a.begin()+right, R.begin());\n\n L.push_back(SENTINEL);\n\n R.push_back(SENTINEL);\n\n long long counts = 0;\n\n int iL = 0;\n\n int iR = 0;\n\n for (int i = left; i != right; ++i){\n\n if (L[iL] > R[iR]){\n\n a[i] = R[iR];\n\n ++iR;\n\n counts += n1 - iL;\n\n }else{\n\n a[i] = L[iL];\n\n ++iL;\n\n }\n\n }\n\n return counts;\n\n}\n\n\n\n\n\nlong long count_inversion(vector<int> & a, int left, int right){\n\n long long counts = 0;\n\n if (left + 1 < right){\n\n int mid = (left + right) / 2;\n\n counts += count_inversion(a, left, mid);\n\n counts += count_inversion(a, mid, right);\n\n counts += merge(a, left, mid, right);\n\n }\n\n return counts;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n vector<int> a(n);\n\n for (auto & elem : a) cin >> elem;\n\n cout << count_inversion(a, 0, n) << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002586"}175{"label": "pie_cpp_test_002587", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002587.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002587", "task_path": "tasks/test/pie_cpp_test_002587.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nint main() {\n\n int M = 1 << 18 + 1;\n\n int N;\n\n cin >> N;\n\n vector<int> A(N), a(N), ord(N);\n\n for ( int i = 0; i < N; i++ ) {\n\n cin >> A[i];\n\n a[i] = A[i];\n\n }\n\n\n\n sort(a.begin(), a.end());\n\n for ( int i = 0; i < N; i++ ) {\n\n ord[i] = lower_bound(a.begin(), a.end(), A[i]) - a.begin();\n\n }\n\n\n\n ll ans = 0;\n\n vector<int> bit(M);\n\n int k,sum;\n\n for ( int i = 0; i < N; i++ ) {\n\n // add\n\n k = ord[i] + 1;\n\n while ( k <= M ) {\n\n bit[k]++;\n\n k += k & -k;\n\n }\n\n // sum\n\n sum = 0;\n\n k = ord[i] + 1;\n\n while ( k > 0 ) {\n\n sum += bit[k];\n\n k -= k & -k;\n\n }\n\n \n\n ans += i + 1 - sum;\n\n }\n\n\n\n cout << ans << '\\n';\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002587"}176{"label": "pie_cpp_test_002588", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002588.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002588", "task_path": "tasks/test/pie_cpp_test_002588.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cinttypes>\n\n#include <cstdint>\n\n#include <cstdio>\n\n#include <iostream>\n\n\n\nconst int kMaxN = 200000;\n\nconst int kMaxAi = 1000000000;\n\nconst int kSentinel = kMaxAi + 1;\n\n\n\nvoid Merge(int A[], int left, int mid, int right,\n\n int L[], int R[], std::int64_t *cnt) {\n\n int i, j, k;\n\n int n1 = mid - left;\n\n int n2 = right - mid;\n\n for (i = 0; i < n1; ++i) { L[i] = A[left + i]; }\n\n for (i = 0; i < n2; ++i) { R[i] = A[mid + i]; }\n\n L[n1] = R[n2] = kSentinel;\n\n i = j = 0;\n\n for (k = left; k < right; ++k) {\n\n if (L[i] <= R[j]) {\n\n A[k] = L[i++];\n\n } else {\n\n A[k] = R[j++];\n\n *cnt += n1 - i;\n\n }\n\n }\n\n}\n\n\n\nvoid MergeSort(int A[], int left, int right,\n\n int L[], int R[], std::int64_t *cnt) {\n\n int mid;\n\n if (left + 1 < right) {\n\n mid = (left + right) / 2;\n\n MergeSort(A, left, mid, L, R, cnt);\n\n MergeSort(A, mid, right, L, R, cnt);\n\n Merge(A, left, mid, right, L, R, cnt);\n\n }\n\n}\n\n\n\nint main() {\n\n int n, i;\n\n std::scanf(\"%d\", &n);\n\n int A[n];\n\n for (i = 0; i < n; ++i) { std::scanf(\"%d\", &A[i]); }\n\n int L[n/2 + 1], R[n/2 + 1];\n\n std::int64_t cnt = 0;\n\n MergeSort(A, 0, n, L, R, &cnt);\n\n std::cout << cnt << std::endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002588"}177{"label": "pie_cpp_test_002589", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002589.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002589", "task_path": "tasks/test/pie_cpp_test_002589.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\nint n, a[200000], b[200000], bit[262145];\n\nvoid add(int i, int x) {\n\n\twhile (i <= n) bit[i] += x, i += i & -i;\n\n}\n\nint sum(int i) {\n\n\tint ret = 0;\n\n\twhile (i > 0) ret += bit[i], i -= i & -i;\n\n\treturn ret;\n\n}\n\nint sum(int l, int r) {\n\n\treturn sum(r - 1) - sum(l - 1);\n\n}\n\nint main() {\n\n\tscanf(\"%d\", &n);\n\n\tfor(int i = 0; i < n; i++) scanf(\"%d\", &a[i]), b[i] = a[i];\n\n\tsort(b, b + n);\n\n\tlong long ret = 0;\n\n\tfor(int i = 0; i < n; i++) {\n\n\t\tint ptr = lower_bound(b, b + n, a[i]) - b; add(ptr + 1, 1);\n\n \t\tret += sum(ptr + 2, n + 1);\n\n\t}\n\n\tprintf(\"%lld\\n\", ret);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002589"}178{"label": "pie_cpp_test_002590", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002590.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002590", "task_path": "tasks/test/pie_cpp_test_002590.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <climits>\n\n\n\nint a[200000];\n\nint L[100001];\n\nint R[100001];\n\n\n\nlong long merge(int left, int mid, int right){\n\n long long c = 0;\n\n int i;\n\n for(i=0;i<mid-left;i++)L[i]=a[i+left];\n\n for(i=0;i<right-mid;i++)R[i]=a[i+mid];\n\n L[mid-left] = INT_MAX;\n\n R[right-mid] = INT_MAX;\n\n int j = 0;\n\n int k = 0;\n\n for(i=left;i<right;i++){\n\n if(R[k]<L[j]){\n\n c += mid+k-i;\n\n a[i] = R[k];\n\n k++;\n\n }else{\n\n a[i] = L[j];\n\n j++;\n\n }\n\n }\n\n return c;\n\n}\n\n\n\nlong long mergeSort(int left, int right){\n\n if(right-left<=1)return 0;\n\n int mid = (left + right)/2;\n\n long long c1 = mergeSort(left,mid);\n\n long long c2 = mergeSort(mid,right);\n\n long long c3 = merge(left,mid,right);\n\n return c1 + c2 + c3;\n\n}\n\n\n\nint main(){\n\n int i,n;\n\n scanf(\"%d\",&n);\n\n for(i=0;i<n;i++)scanf(\"%d\",a+i);\n\n printf(\"%lld\\n\", mergeSort(0,n));\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002590"}179{"label": "pie_cpp_test_002591", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002591.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002591", "task_path": "tasks/test/pie_cpp_test_002591.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n/*\n\n* @Author: Samson\n\n* @Date: 2018-05-04 10:11:57\n\n* @Last Modified by: Samson\n\n* @Last Modified time: 2018-05-04 11:46:26\n\n*/\n\n// @URL : \n\n#include<bits/stdc++.h>\n\n#include<algorithm>\n\n#include <cstdlib>\n\n#define INF 0x3f3f3f3f\n\nusing namespace std;\n\ntypedef long long LL;\n\nconst int MAXN = 2*1e5+10;\n\n\n\nint a[MAXN],n,L[MAXN/2],R[MAXN/2];\n\n\n\nLL merge(int a[],int n,int left,int mid,int right)\n\n{\n\n\tint i,j,k;\n\n\tLL cnt = 0;\n\n\tint n1 = mid - left;\n\n\tint n2 = right - mid;\n\n\tfor(i = 0; i < n1; ++i)\tL[i] = a[left+i];\n\n\tfor(i = 0; i < n2; ++i)\tR[i] = a[mid+i];\n\n\tL[n1] = R[n2] = INF;\n\n\ti = j = 0;\n\n\tfor(k = left; k < right; ++k)\n\n\t{\n\n\t\tif(L[i] <= R[j])\n\n\t\t{\n\n\t\t\ta[k] = L[i++];\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\ta[k] = R[j++];\n\n\t\t\tcnt += n1-i;\n\n\t\t}\n\n\t}\n\n\treturn cnt;\n\n}\n\nLL mergesort(int a[],int n,int left,int right)\n\n{\n\n\tint mid;\n\n\tLL v1,v2,v3;\n\n\tif(left + 1 < right)\n\n\t{\n\n\t\tmid = (left+right)/2;\n\n\t\tv1 = mergesort(a,n,left,mid);\n\n\t\tv2 = mergesort(a,n,mid,right);\n\n\t\tv3 = merge(a,n,left,mid,right);\n\n\t\treturn v1+v2+v3;\n\n\t}\n\n\telse\n\n\t\treturn 0;\n\n}\n\nint main(void)\n\n{\n\n\tios::sync_with_stdio(false); \n\n\t//cin.tie(0);\n\n\tcin>>n;\n\n\tfor(int i = 0; i < n; ++i)\n\n\t\tcin>>a[i];\n\n\tLL ans = mergesort(a,n,0,n);\n\n\tcout<<ans<<'\\n';\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002591"}180{"label": "pie_cpp_test_002592", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 100, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 100, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002592.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002592", "task_path": "tasks/test/pie_cpp_test_002592.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\n#define SIZE 200000\n\n#define INFTY 1200000000\n\nlong long cnt = 0; // number of inversion.\n\n\n\nint upperbound(int x, int* R, int N)\n\n{\n\n // R[0], R[1], ... , R[N].\n\n if(x < R[0]) return 0;\n\n \n\n\tint left, right, mid;\n\n left = 0;\n\n right = N;\n\n\n\n while(right - left > 1){\n\n mid = (left + right) / 2;\n\n if(R[mid] < x){\n\n left = mid;\n\n }else{\n\n right = mid;\n\n }\n\n };\n\n return right;\n\n}\n\n\n\nvoid Merge(int* A, int left, int mid, int right)\n\n{\n\n int R[SIZE], L[SIZE];\n\n int i, j, k, n1, n2;\n\n n1 = mid - left;\n\n n2 = right - mid;\n\n for(i = 0; i < n1; i++) L[i] = A[i + left];\n\n for(j = 0; j < n2; j++) R[j] = A[j + mid];\n\n\n\n L[n1] = INFTY;\n\n R[n2] = INFTY;\n\n i = j = 0;\n\n\n\n // calculate inversion number.\n\n for(k = 0; k < n1; k++){\n\n cnt = cnt + upperbound(L[k], R, n2);\n\n }\n\n\n\n // Sorting.\n\n for(k = left; k < right; k++){\n\n\n\n if(L[i] <= R[j]){ A[k] = L[i]; i++; }\n\n\n\n else{ A[k] = R[j]; j++; }\n\n }\n\n}\n\n\n\nvoid MergeSort(int* A, int left, int right)\n\n{\n\n int mid;\n\n if(left + 1 < right){\n\n mid = (left + right) / 2;\n\n MergeSort(A, left, mid);\n\n MergeSort(A, mid, right);\n\n Merge(A, left, mid, right);\n\n }\n\n return;\n\n}\n\n\n\nint main()\n\n{\n\n int i, n, A[SIZE];\n\n cin >> n;\n\n for(i = 0; i < n; i++) cin >> A[i];\n\n\n\n MergeSort(A, 0, n);\n\n cout << cnt << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002592"}181{"label": "pie_cpp_test_002593", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02274", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002593.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002593", "task_path": "tasks/test/pie_cpp_test_002593.json", "visible_test_count": 1}, "problem_id": "p02274", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n3 5 2 1 4\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\n#define SENTINEL 1200000000\n\n\n\ntypedef long long hyper;\n\nhyper cnt = 0;\n\n\n\nvoid Merge(int* A, int left, int mid, int right)\n\n{\n\n int* L; int* R;\n\n int i, j, k, n1, n2;\n\n n1 = mid - left;\n\n n2 = right - mid;\n\n\n\n L = new int [n1 + 1]; R = new int [n2 + 1];\n\n if(L == NULL || R == NULL) return;\n\n\n\n for(i = 0; i < n1; i++) L[i] = A[i + left];\n\n for(j = 0; j < n2; j++) R[j] = A[j + mid];\n\n\n\n L[n1] = SENTINEL;\n\n R[n2] = SENTINEL;\n\n i = j = 0;\n\n\n\n // sorting.\n\n for(k = left; k < right; k++){\n\n\n\n if(L[i] <= R[j]){ A[k] = L[i]; i++; }\n\n\n\n else{ A[k] = R[j]; j++; cnt = cnt + n1 - i; } // add n1 - i.\n\n }\n\n\tdelete [] L; delete [] R;\n\n}\n\n\n\nvoid MergeSort(int* A, int left, int right)\n\n{\n\n int mid;\n\n if(left + 1 < right){\n\n mid = (left + right) / 2;\n\n MergeSort(A, left, mid);\n\n MergeSort(A, mid, right);\n\n Merge(A, left, mid, right);\n\n }\n\n}\n\n\n\nint main()\n\n{\n\n int* A;\n\n int i, n;\n\n cin >> n;\n\n\n\n A = new int [n];\n\n if(A == NULL) return 0;\n\n\n\n for(i = 0; i < n; i++) cin >> A[i];\n\n\n\n MergeSort(A, 0, n);\n\n cout << cnt << endl;\n\n\n\n delete [] A;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002593"}182{"label": "pie_cpp_test_002594", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002594.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002594", "task_path": "tasks/test/pie_cpp_test_002594.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nint a[100000];\n\nint partitin(int n,int r)\n\n{\n\n\tint x;\n\n\tint i;\n\n\tint t;\n\n\tx=a[r];\n\n\ti=n-1;\n\n\tfor(int j=n;j<r;j++)\n\n\t{\n\n\t\tif(a[j]<=x)\n\n\t{\ti++;\n\n\t\tt=a[i];\n\n\t\ta[i]=a[j];\n\n\t\ta[j]=t;\n\n\t\t}\n\n\t}\n\n\tt=a[i+1];a[i+1]=a[r];a[r]=t;\n\n\treturn i+1;\n\n}\n\nint main()\n\n{\n\n\tint n,m;\n\n\tcin>>n;\n\n\tfor(int i=0;i<n;i++)\n\n\t{\n\n\t\tcin>>a[i];\n\n\t}\n\n\tm=partitin(0,n-1);\n\n\tfor(int i=0;i<n;i++)\n\n\t{\n\n\t if(i) cout<<\" \";\n\n\t\tif(i==m) cout<<\"[\";\n\n\t\tcout<<a[i];\n\n\t\tif(i==m) cout<<\"]\";\n\n }\n\n cout<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002594"}183{"label": "pie_cpp_test_002595", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002595.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002595", "task_path": "tasks/test/pie_cpp_test_002595.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\nusing namespace std;\n\nint partition(int a[],int n)\n\n{\n\n int x=a[n-1];\n\n int i=-1;\n\n for(int j=0;j<n-1;j++)\n\n {\n\n if(a[j]<=x)\n\n {\n\n i++;\n\n swap(a[j],a[i]);\n\n }\n\n }\n\n swap(a[i+1],a[n-1]);\n\n return i+1;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n int n;\n\n cin>>n;\n\n int a[n];\n\n for(int i=0;i<n;i++)\n\n cin>>a[i];\n\n int b=partition(a,n);\n\n for(int i=0;i<n;i++)\n\n {\n\n if(i>0)\n\n cout<<\" \";\n\n if(i==b)\n\n {\n\n cout<<\"[\"<<a[i]<<\"]\";\n\n continue;\n\n }\n\n cout<<a[i];\n\n }\n\n cout<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002595"}184{"label": "pie_cpp_test_002596", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002596.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002596", "task_path": "tasks/test/pie_cpp_test_002596.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n#ifdef _DEBUG\n\n#include \"dump.hpp\"\n\n#else\n\n#define dump(...)\n\n#endif\n\n\n\n//#define int long long\n\n#define rep(i,a,b) for(int i=(a);i<(b);i++)\n\n#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)\n\n#define all(c) begin(c),end(c)\n\nconst int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;\n\nconst int MOD = (int)(1e9 + 7);\n\ntemplate<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; }\n\n\n\n// O(N) STL ?????????\n\n// v[i] <= x <= v[j] ????????? (i<=j)\n\nint stable_partition(vector<int> &v, int l, int r, int x) {\n\n\tint i = l - 1;\n\n\tfor (int j = l; j < r; j++) {\n\n\t\tif (v[j] <= x) {\n\n\t\t\ti++;\n\n\t\t\tswap(v[i], v[j]);\n\n\t\t}\n\n\t}\n\n\tswap(v[i + 1], v[r]);\n\n\treturn i + 1;\n\n}\n\n\n\nsigned main() {\n\n\tint n; cin >> n;\n\n\tvector<int> v(n); rep(i, 0, n) { cin >> v[i]; }\n\n\tint b = stable_partition(v, 0, n - 1, v[n - 1]);\n\n\tdump(b);\n\n\tcout << v[0]; rep(i, 1, v.size()) {\n\n\t\tif (b == i)cout << \" [\" << v[i] << \"]\";\n\n\t\telse cout << \" \" << v[i];\n\n\t} cout << endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002596"}185{"label": "pie_cpp_test_002597", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002597.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002597", "task_path": "tasks/test/pie_cpp_test_002597.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#define _CRT_SECURE_NO_WARNINGS\n\n#include <iostream>\n\n#include <cstdio>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\nint A[100001];\n\nint partition(int p, int r){\n\n\tint x = A[r];\n\n\tint i = p - 1;\n\n\tfor (int j = p; j <= r - 1; ++j){\n\n\t\tif (A[j] <= x) swap(A[++i], A[j]);\n\n\t}\n\n\tswap(A[i + 1], A[r]);\n\n\treturn i + 1;\n\n}\n\nint main(){\n\n\tint n; scanf(\"%d\",&n);\n\n\tfor (int i = 0; i < n; ++i) scanf(\"%d\",&A[i]);\n\n\tint pivot = partition(0, n - 1);\n\n\tfor (int i = 0; i < n; ++i){\n\n\t\tif (i != 0) cout << ' ';\n\n\t\tif (i == pivot){\n\n\t\t\tcout << '[' << A[i] << ']';\n\n\t\t}\n\n\t\telse cout << A[i];\n\n\t}\n\n\tcout << '\\n';\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002597"}186{"label": "pie_cpp_test_002598", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002598.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002598", "task_path": "tasks/test/pie_cpp_test_002598.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\nconst int SIZE = 100000;\n\n\n\nint Partition(int *A, int p, int r)\n\n{\n\n int x = A[r - 1];\n\n int i = p;\n\n for (int j = p; j < r - 1; j++)\n\n {\n\n if (A[j] <= x)\n\n {\n\n int tmp = A[j];\n\n A[j] = A[i];\n\n A[i] = tmp;\n\n\n\n i++;\n\n }\n\n }\n\n\n\n int tmp = A[i];\n\n A[i] = A[r - 1];\n\n A[r - 1] = tmp;\n\n\n\n return i;\n\n}\n\n\n\nint main()\n\n{\n\n int A[SIZE];\n\n int n;\n\n\n\n cin >> n;\n\n for (int i = 0; i < n; i++)\n\n {\n\n cin >> A[i];\n\n }\n\n\n\n int par = Partition(A, 0, n);\n\n\n\n int i;\n\n for (i = 0; i < par; i++)\n\n {\n\n cout << A[i] << ' ';\n\n }\n\n cout << '[' << A[i] << ']' << ' ';\n\n i++;\n\n for (; i < n - 1; i++)\n\n {\n\n cout << A[i] << ' ';\n\n }\n\n cout << A[i] << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002598"}187{"label": "pie_cpp_test_002599", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002599.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002599", "task_path": "tasks/test/pie_cpp_test_002599.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\nint partition(int A[], int p, int r);\n\nvoid swap(int &a, int &b);\n\nint main(void)\n\n{\n\n\tint n, i;\n\n\tcin >> n;\n\n\tint A[n];\n\n\tfor (i = 0; i < n; i++)\n\n\t\tcin >> A[i];\n\n\tint flag = partition(A, 0, n-1);\n\n\tfor (i = 0; i < n; i++)\n\n\t{\n\n\t\tif (i == flag)\n\n\t\t\tcout << \"[\" << A[i] << \"] \";\n\n\t\telse if (i != n - 1)\n\n\t\t\tcout << A[i] << \" \";\n\n\t\telse\n\n\t\t\tcout << A[i];\n\n\t}\n\n\tcout << endl;\n\n\treturn 0;\n\n}\n\n\n\nint partition(int A[], int p, int r)\n\n{\n\n\tint x = A[r];\n\n\tint i = p - 1;\n\n\tint j;\n\n\tfor (j = p; j < r; j++)\n\n\t{\n\n\t\tif (A[j] <= x)\n\n\t\t{\n\n\t\t\ti++;\n\n\t\t\tswap(A[i], A[j]);\n\n\t\t}\n\n\t}\n\n\tswap(A[i+1], A[r]);\n\n\treturn i+1;\n\n}\n\nvoid swap(int &a, int &b)\n\n{\n\n\tint temp = a;\n\n\ta = b;\n\n\tb = temp;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002599"}188{"label": "pie_cpp_test_002600", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002600.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002600", "task_path": "tasks/test/pie_cpp_test_002600.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<algorithm>\n\n\n\ntemplate<class T>\n\nint partition(T &A, int first, int last){\n\n const int pivot = A[last-1];\n\n int bound = first-1;\n\n for(int i=first;i<last;++i)\n\n if(A[i]<=pivot) std::swap(A[++bound], A[i]);\n\n return bound;\n\n}\n\n\n\n#include<iostream>\n\n#include<string>\n\n#include<vector>\n\nusing namespace std;\n\nint main(){\n\n int N;\n\n cin>>N;\n\n vector<int> P(N);\n\n for(int i=0;i<N;++i) cin>>P[i];\n\n int bound = partition(P,0,N);\n\n string s;\n\n for(int i=0;i<N;++i){\n\n if(i==bound) s+='['+to_string(P[i])+\"] \";\n\n else s+=to_string(P[i])+' ';\n\n }\n\n s.pop_back();\n\n cout<<s<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002600"}189{"label": "pie_cpp_test_002601", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002601.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002601", "task_path": "tasks/test/pie_cpp_test_002601.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n\n\nint partition(int A[], int p, int r) {\n\n\tint x = A[r];\n\n\tint i = p;\n\n\n\n\tfor (int j = p; j < r; j++) {\n\n\t\tif (A[j] <= x) {\n\n\t\t\tswap(A[i++], A[j]);\n\n\t\t}\n\n\t}\n\n\tswap(A[i], A[r]);\n\n\n\n\treturn i;\n\n}\n\n\n\nint main() {\n\n\tint n;\n\n\tcin >> n;\n\n\tint A[n], suffix;\n\n\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\tcin >> A[i];\n\n\t}\n\n\tsuffix = partition(A, 0, n - 1);\n\n\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\tif (i == suffix) {\n\n\t\t\tcout << \"[\" << A[i] << \"]\";\n\n\t\t}\n\n\t\telse {\n\n\t\t\tcout << A[i];\n\n\t\t}\n\n\n\n\t\tif (i < n - 1) {\n\n\t\t\tcout << \" \";\n\n\t\t}\n\n\t}\n\n\tcout << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002601"}190{"label": "pie_cpp_test_002602", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002602.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002602", "task_path": "tasks/test/pie_cpp_test_002602.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n\n\nvoid Swap( int& a, int& b ){\n\n int tmp = std::move(a);\n\n a = std::move(b);\n\n b = std::move(tmp);\n\n}\n\n\n\n// when 0th Recurtion, params -> Partition( v, 1, v.size()-1 );\n\nint Partition( std::vector<int>& v, int p, int r ){\n\n int x = v[r];\n\n //std::cout << \"after v[r]\\n\";\n\n int i = p - 1;\n\n //std::cout << \"loop: \";\n\n for( int j = p; j < r; ++j ){\n\n //std::cout << j << \" \";\n\n if( v[j] <= x ){\n\n Swap( v[++i], v[j] );\n\n }\n\n }\n\n //std::cout << \"\\n\";\n\n Swap( v[i+1], v[r] );\n\n return i + 1;\n\n}\n\n\n\nint main(){\n\n int n;\n\n std::cin.tie(0);\n\n std::cin >> n;\n\n\n\n std::vector<int> v(n);\n\n for( auto& elem : v ){\n\n std::cin >> elem;\n\n //std::cout << elem << \" \";\n\n }\n\n //std::cout << \"\\n\";\n\n\n\n int r = Partition( v, 0, v.size()-1 );\n\n\n\n for( int i = 0; i < v.size(); ++i ){\n\n if( i != r ){\n\n std::cout << v[i] << ( ( i != v.size()-1 )? \" \" : \"\\n\" );\n\n }else{\n\n std::cout << \"[\" << v[i] << \"]\" << ( ( i != v.size()-1 )? \" \" : \"\\n\" );\n\n }\n\n }\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002602"}191{"label": "pie_cpp_test_002603", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002603.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002603", "task_path": "tasks/test/pie_cpp_test_002603.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <sstream>\n\n#include <fstream>\n\n#include <iomanip>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <string>\n\n#include <vector>\n\n#include <list>\n\n#include <queue>\n\n#include <stack>\n\n#include <set>\n\n#include <map>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <climits>\n\n#include <cfloat>\n\n#include <functional>\n\n#include <cctype>\n\n\n\nusing namespace std;\n\n\n\n#define REP(i,n) for(int i = 0; i < (int)n; ++i)\n\n\n\nint partition(vector<int> &A, int p, int r)\n\n{\n\n\tint x = A[r];\n\n\tint i = p - 1;\n\n\tfor(int j = p; j < r; ++j) {\n\n\t\tif(A[j] <= x) {\n\n\t\t\t++i;\n\n\t\t\tswap(A[i], A[j]);\n\n\t\t}\n\n\t}\n\n\tswap(A[i + 1], A[r]);\n\n\treturn i + 1;\n\n}\n\n\n\nint main()\n\n{\n\n\tint n;\n\n\tcin >> n;\n\n\tvector<int> A(n);\n\n\tREP(i, n) cin >> A[i];\n\n\n\n\tint p = partition(A, 0, n - 1);\n\n\tREP(i, n) {\n\n\t\tif(i == p) cout << '[' << A[i] << ']';\n\n\t\telse cout << A[i];\n\n\t\t(i != n - 1)? cout << ' ' : cout << endl;\n\n\t}\n\n\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002603"}192{"label": "pie_cpp_test_002604", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002604.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002604", "task_path": "tasks/test/pie_cpp_test_002604.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\nusing namespace std;\n\n\n\nint partition(vector<int>& A, int p, int r){\n\n int i = p - 1;\n\n for (int j = p; j < r; j++) {\n\n if (A[j] <= A[r]) {\n\n i++;\n\n swap(A[i], A[j]);\n\n }\n\n }\n\n i++;\n\n swap(A[i], A[r]);\n\n return i;\n\n}\n\n\n\nint main(){\n\n int n;\n\n cin >> n;\n\n vector<int> A(n);\n\n for (auto& a : A) cin >> a;\n\n int pos = partition(A, 0, n - 1);\n\n for (int i = 0; i < pos; i++) {\n\n cout << A[i] << \" \";\n\n }\n\n cout << \"[\" << A[pos] << \"] \";\n\n for (int i = pos + 1; i < n; i++) {\n\n cout << A[i] << (i < n - 1 ? \" \" : \"\\n\");\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002604"}193{"label": "pie_cpp_test_002605", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002605.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002605", "task_path": "tasks/test/pie_cpp_test_002605.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\nusing namespace std;\n\n\n\n#define N 100001\n\n\n\nint Partition(int a[],int p,int r){\n\n int x,i,j,st;\n\n\n\n x=a[r];\n\n i=p-1;\n\n\n\n for(j=p;j<=r-1;j++){\n\n if(a[j]<=x){\n\n i++;\n\n st=a[i];\n\n a[i]=a[j];\n\n a[j]=st;\n\n }\n\n }\n\n st=a[i+1];\n\n a[i+1]=a[r];\n\n a[r]=st;\n\n return i+1;\n\n\n\n}\n\n\n\nint main(){\n\n\n\n int a[N],n,i;\n\n int f;\n\n\n\n cin >>n;\n\n\n\n for(i=0;i<n;i++){\n\n cin >>a[i];\n\n }\n\n\n\n\n\n f=Partition(a,0,n-1);\n\n\n\n for(i=0;i<n;i++){\n\n if(i!=f)cout <<a[i];\n\n if(i==f)cout <<\"[\"<<a[i]<<\"]\";\n\n if(i!=n-1)cout <<\" \";\n\n }\n\n cout <<endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002605"}194{"label": "pie_cpp_test_002606", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002606.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002606", "task_path": "tasks/test/pie_cpp_test_002606.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\nint A[100005];\n\n\n\nint partition(int p, int r) {\n\n int x = A[r];\n\n int i = p - 1;\n\n for (int j=p; j<r; j++) {\n\n if (A[j] <= x) {\n\n i++;\n\n swap(A[i], A[j]);\n\n }\n\n }\n\n swap(A[i+1], A[r]);\n\n return i + 1;\n\n}\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n for (int i=0; i<n; i++) cin >> A[i];\n\n int idx = partition(0, n-1);\n\n for (int i=0; i<n; i++) {\n\n if (i == idx) cout << \"[\";\n\n cout << A[i];\n\n if (i == idx) cout << \"]\";\n\n cout << (i != n-1 ? \" \" : \"\\n\");\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002606"}195{"label": "pie_cpp_test_002607", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002607.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002607", "task_path": "tasks/test/pie_cpp_test_002607.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint partition( int A[], int p, int r );\n\nvoid swap( int A[], int i, int j );\n\n\n\n#define MAX_N (100010)\n\nint A[MAX_N];\n\n\n\nint main()\n\n{\n\n int n;\n\n scanf(\"%d\", &n);\n\n \n\n for ( int i = 0; i < n; i++ ) {\n\n\tscanf(\"%d\", &A[i]);\n\n }\n\n\n\n int index_partition = partition( A, 0, n-1 );\n\n\n\n for ( int i = 0; i < n; i++ ) {\n\n\tif ( i == index_partition ) {\n\n\t printf(\"[%d]\", A[i]);\n\n\t}\n\n\telse {\n\n\t printf(\"%d\", A[i]);\n\n\t}\n\n\tprintf(\"%c\", (i == n-1) ? '\\n' : ' ');\n\n }\n\n\n\n return 0;\n\n}\n\n\n\n\n\nint partition( int A[], int p, int r )\n\n{\n\n int part = A[r];\n\n int i = p - 1;\n\n \n\n for ( int j = p; j < r; j++ ) {\n\n\tif ( A[j] <= part ) {\n\n\t i++;\n\n\t swap( A, i, j );\n\n\t}\n\n }\n\n\n\n i++;\n\n swap( A, i, r );\n\n\n\n return i;\n\n}\n\n\n\n\n\nvoid swap( int A[], int i, int j )\n\n{\n\n int tmp = A[i];\n\n A[i] = A[j];\n\n A[j] = tmp;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002607"}196{"label": "pie_cpp_test_002608", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002608.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002608", "task_path": "tasks/test/pie_cpp_test_002608.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <utility>\n\n\n\nusing namespace std;\n\n\n\nint partition(int A[], int p, int r){\n\n int x = A[r];\n\n int i = p - 1;\n\n for (int j = p; j != r; ++j){\n\n if (A[j] <= x) swap(A[++i], A[j]);\n\n }\n\n swap(A[i + 1], A[r]);\n\n return i + 1;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n int n = 0;\n\n cin >> n;\n\n int A[100000] = {0};\n\n for (int i = 0; i != n; ++i) cin >> A[i];\n\n int pivot = partition(A, 0, n - 1);\n\n for (int i = 0; i != n; ++i){\n\n if (i == pivot){\n\n cout << '[' << A[i] << ']';\n\n }else{\n\n cout << A[i];\n\n }\n\n if (i == n - 1){\n\n cout << endl;\n\n }else{\n\n cout << ' ';\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002608"}197{"label": "pie_cpp_test_002609", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002609.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002609", "task_path": "tasks/test/pie_cpp_test_002609.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n\n\nusing namespace std;\n\n\n\nlong long cnt;\n\n\n\nstruct SSS\n\n{\n\n\tstring str;\n\n\tint val;\n\n\tSSS(string s = \"\", int v = 0) :str(s), val(v){};\n\n};\n\n\n\nvoid print(vector<SSS> &data){\n\n\tfor (int i = 0; i < data.size(); ++i){\n\n\t\tcout << data[i].str << \" \" << data[i].val << endl;\n\n\t}\n\n}\n\n\n\nvoid print(vector<int> &data){\n\n\tfor (int i = 0; i < data.size(); ++i) {\n\n\t\tcout << data[i];\n\n\t\tif (i == data.size() - 1) cout << endl;\n\n\t\telse cout << \" \";\n\n\t}\n\n}\n\n\n\nvoid print_endl(vector<int> &data){\n\n\tfor (int i = 0; i < data.size(); ++i) {\n\n\t\tcout << data[i] << endl;\n\n\t}\n\n}\n\n\n\nvector<int> tmp;\n\nvoid mer(vector<int> &data, int l, int m, int r){\n\n\tfor (int i = l; i < r; ++i) tmp[i] = data[i];\n\n\tcnt += (r - l);\n\n\n\n\tint p1(l), p2(m);\n\n\twhile (p1 < m && p2 < r) {\n\n\t\tif (tmp[p1] <= tmp[p2]) data[l++] = tmp[p1++];\n\n\t\telse data[l++] = tmp[p2++];\n\n\t}\n\n\twhile (p1 < m) data[l++] = tmp[p1++];\n\n\twhile (p2 < r) data[l++] = tmp[p2++];\n\n}\n\n\n\nvoid merS(vector<int> &data, int l, int r){\n\n\tif (l + 1 < r){\n\n\t\tint m = l + (r - l) / 2;\n\n\t\tmerS(data, l, m);\n\n\t\tmerS(data, m, r);\n\n\t\tmer(data, l, m, r);\n\n\t}\n\n}\n\n\n\nint part(vector<int> &data, int l, int r){\n\n\tint v = data[r];\n\n\n\n\tint p1 = l - 1;\n\n\tint p2 = l;\n\n\twhile (p2 < r) {\n\n\t\tif (data[p2] <= v) swap(data[++p1], data[p2]);\n\n\t\tp2++;\n\n\t}\n\n\tswap(data[++p1], data[r]);\n\n\treturn p1;\n\n}\n\n\n\nint main()\n\n{\n\n\tint n; cin >> n;\n\n\tvector<int> data(n, 0);\n\n\tfor (int i = 0; i < n; ++i) cin >> data[i];\n\n\n\n\tvector<int> d1(data), d2(data);\n\n\ttmp.resize(n);\n\n\tmerS(d1, 0, n);\n\n\t//print(data);\n\n\t//cout << cnt << endl;\n\n\n\n\tint piv = part(d2, 0, n - 1);\n\n\n\n\tfor (int i = 0; i < n; ++i) {\n\n\t\tif (i == piv) cout << \"[\";\n\n\t\tcout << d2[i];\n\n\t\tif (i == piv) cout << \"]\";\n\n\t\tif (i == n - 1) cout << endl;\n\n\t\telse cout << \" \";\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002609"}198{"label": "pie_cpp_test_002610", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002610.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002610", "task_path": "tasks/test/pie_cpp_test_002610.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\nint main(){\n\n int a[100001],n,count=0;\n\n cin>>n;\n\n for(int i=0;i<n;i++)\n\n cin>>a[i];\n\n\n\n for(int i=0;i<n;i++)\n\n if(a[i]>a[n-1])\n\n count++;\n\n else \n\n swap(a[i],a[i-count]);\n\n\n\n for(int i=0;i<n-count-1;i++)\n\n cout<<a[i]<<' ';\n\n cout<<'['<<a[n-count-1]<<']'<<' ';\n\n for(int i=n-count;i<n-1;i++)\n\n cout<<a[i]<<' ';\n\n cout<<a[n-1]<<endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002610"}199{"label": "pie_cpp_test_002611", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002611.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002611", "task_path": "tasks/test/pie_cpp_test_002611.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\n#define MAX 100000\n\n\n\nvoid swap(int& a, int& b)\n\n{\n\n int c;\n\n c = a; a = b; b = c;\n\n}\n\n\n\nint partition(int* A, int p, int r)\n\n{\n\n int i, j, x;\n\n x = A[r];\n\n i = p - 1;\n\n for(j = p; j < r; j++){\n\n if(A[j] <= x){ i++; swap(A[i], A[j]); }\n\n }\n\n swap(A[i + 1], A[r]);\n\n\n\n return i + 1;\n\n}\n\n\n\nint main()\n\n{\n\n int i, n, A[MAX], q;\n\n cin >> n;\n\n for(i = 0; i < n; i++) cin >> A[i];\n\n\n\n q = partition(A, 0, n - 1);\n\n\n\n for(i = 0; i < q; i++){ cout << A[i] << \" \"; }\n\n\n\n cout << \"[\" << A[q] << \"]\";\n\n\n\n for(i = q + 1; i < n; i++){ cout << \" \" << A[i]; }\n\n\n\n cout << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002611"}200{"label": "pie_cpp_test_002612", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02276", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002612.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002612", "task_path": "tasks/test/pie_cpp_test_002612.json", "visible_test_count": 1}, "problem_id": "p02276", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n12\n13 19 9 5 12 8 7 4 21 2 6 11\n\nExpected output:\n9 5 8 7 4 2 6 [11] 21 13 19 12\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\n#define MAX 100000\n\n\n\nint partition(int* A, int p, int r)\n\n{\n\n int i, j, x;\n\n x = A[r];\n\n i = p - 1;\n\n for(j = p; j < r; j++){\n\n if(A[j] <= x){ i++; swap(A[i], A[j]); }\n\n }\n\n swap(A[i + 1], A[r]);\n\n\n\n return i + 1;\n\n}\n\n\n\nint main()\n\n{\n\n int i, n, A[MAX], q;\n\n cin >> n;\n\n for(i = 0; i < n; i++) cin >> A[i];\n\n\n\n q = partition(A, 0, n - 1);\n\n\n\n for(i = 0; i < q; i++){ cout << A[i] << \" \"; }\n\n\n\n cout << \"[\" << A[q] << \"]\";\n\n\n\n for(i = q + 1; i < n; i++){ cout << \" \" << A[i]; }\n\n\n\n cout << endl;\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002612"}201{"label": "pie_cpp_test_002912", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p00620", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002912.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002912", "task_path": "tasks/test/pie_cpp_test_002912.json", "visible_test_count": 1}, "problem_id": "p00620", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n-3 1 1\n2 -4 1\n2 1 -1\n3\n-4 1 1\n1 1 -6\n1 -5 3\n4\n-8 6 -2 1\n2 -7 -2 1\n1 -1 1 1\n1 1 1 -5\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -13\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -12\n0\n\nExpected output:\nYES\nNO\nNO\nYES\nNO\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nconst int dy[] = { 0, 1, -1, 0}, dx[] = { 1, 0, 0, -1};\n\nint n, mas[8][8];\n\nbool used[8][8];\n\nbool isover( int& y, int& x){\n\n return x < 0 || y < 0 || x >= n || y >= n;\n\n}\n\nbool dfs( int hoge, int y, int x, int sum){\n\n if(hoge == 0 && sum == n * n) return true;\n\n bool ret = false;\n\n if(hoge < 0){\n\n for(int i = 0 ; i < 4 ; i++ ){\n\n int ny = y + dy[i], nx = x + dx[i];\n\n if(!isover(ny,nx) && mas[ny][nx] > 0 && !used[ny][nx]){\n\n used[ny][nx] = true;\n\n ret += dfs( hoge + mas[ny][nx], ny, nx, sum + 1);\n\n used[ny][nx] = false;\n\n }\n\n }\n\n }else if(!hoge){\n\n for(int i = 0 ; i < n ; i++ ){\n\n for(int j = 0 ; j < n ; j++ ){\n\n if(mas[i][j] < 0 && !used[i][j]){\n\n used[i][j] = true;\n\n ret += dfs( mas[i][j], i, j, sum + 1);\n\n used[i][j] = false;\n\n return ret;\n\n }\n\n }\n\n }\n\n }\n\n return ret;\n\n}\n\nint main(){\n\n while(cin >> n , n){\n\n for(int i = 0 ; i < n ; i++ ){\n\n for(int j = 0 ; j < n ; j++ ){\n\n cin >> mas[i][j];\n\n }\n\n }\n\n cout << (dfs(0,0,0,0) ? \"YES\" : \"NO\") << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002912"}202{"label": "pie_cpp_test_002913", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00620", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002913.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002913", "task_path": "tasks/test/pie_cpp_test_002913.json", "visible_test_count": 1}, "problem_id": "p00620", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n-3 1 1\n2 -4 1\n2 1 -1\n3\n-4 1 1\n1 1 -6\n1 -5 3\n4\n-8 6 -2 1\n2 -7 -2 1\n1 -1 1 1\n1 1 1 -5\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -13\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -12\n0\n\nExpected output:\nYES\nNO\nNO\nYES\nNO\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n#include<stdlib.h>\n\n#include<string.h>\n\n#include<vector>\n\nstruct P{int x,y;P(int x,int y):x(x),y(y){}};\n\n\n\nint num[10][10];\n\nbool visited[10][10];\n\nstd::vector<P>v;\n\n\n\nconst int dx[] = {1,0,-1,0};\n\nconst int dy[] = {0,1,0,-1};\n\n\n\nbool BackTrack(int x,int y,int index,int rest)\n\n{\n\n\tif(rest==0)\n\n\t{\n\n\t\tif(index==v.size()-1)\n\n\t\t\treturn true;\n\n\t\t++index;\n\n\t\tx=v[index].x;\n\n\t\ty=v[index].y;\n\n\t\trest = -num[y][x];\n\n\t\treturn BackTrack(x,y,index,rest);\n\n\t}\n\n\tbool res = false;\n\n\tfor(int i=0; i<4; ++i)\n\n\t{\n\n\t\tint nx = x+dx[i];\n\n\t\tint ny = y+dy[i];\n\n\t\tif(visited[ny][nx])continue;\n\n\t\tvisited[ny][nx] = true;\n\n\n\n\t\tres = res || BackTrack(nx,ny,index,rest-num[ny][nx]);\n\n\n\n\t\tvisited[ny][nx] = false;\n\n\t}\n\n\treturn res;\n\n}\n\n\n\nint main()\n\n{\n\n\tint n,i,j,t;\n\n\twhile(scanf(\"%d\",&n),n)\n\n\t{\n\n\t\tv.clear();\n\n\t\tmemset(visited,1,sizeof(visited));\n\n\n\n\t\tint check = 0;\n\n\t\tfor(i=1; i<=n; ++i)\n\n\t\t{\n\n\t\t\tfor(j=1; j<=n; ++j)\n\n\t\t\t{\n\n\t\t\t\tscanf(\"%d\",&t);\n\n\t\t\t\tnum[i][j]=t;\n\n\t\t\t\tif(t<0)\n\n\t\t\t\t{\n\n\t\t\t\t\tv.push_back(P(j,i));\n\n\t\t\t\t\tvisited[i][j]=true;\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t{\n\n\t\t\t\t\tvisited[i][j]=false;\n\n\t\t\t\t}\n\n\t\t\t\tcheck += t;\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tint x=v[0].x;\n\n\t\tint y=v[0].y;\n\n\t\tputs(check==0&&BackTrack(x,y,0,-num[y][x]) ? \"YES\" : \"NO\");\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002913"}203{"label": "pie_cpp_test_002914", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p00620", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002914.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002914", "task_path": "tasks/test/pie_cpp_test_002914.json", "visible_test_count": 1}, "problem_id": "p00620", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n-3 1 1\n2 -4 1\n2 1 -1\n3\n-4 1 1\n1 1 -6\n1 -5 3\n4\n-8 6 -2 1\n2 -7 -2 1\n1 -1 1 1\n1 1 1 -5\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -13\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -12\n0\n\nExpected output:\nYES\nNO\nNO\nYES\nNO\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <cstring>\n\nusing namespace std;\n\n\n\nint dx[] = {+1,-1, 0, 0};\n\nint dy[] = { 0, 0,+1,-1};\n\nint tb[10][10];\n\nbool visited[10][10];\n\n\n\nint n,t,sum;\n\nvector<int> sx,sy;\n\n\n\nbool dfs(int x, int y, int s, int c, int m)\n\n{\n\n\tint tx,ty,ttx,tty,tc,tm,ts;\n\n\tfor(int i=0; i<4; i++)\n\n\t{\n\n\t\tbool v=false;\n\n\t\tts = s;\n\n\t\ttc = c;\n\n\t\ttx = x+dx[i];\n\n\t\tty = y+dy[i];\n\n\t\tttx= x;\n\n\t\ttty= y;\n\n\t\ttm = m+tb[tx][ty];\n\n\n\n\t\tif(tb[tx][ty]<=0) continue;\n\n\t\tif(visited[tx][ty]) continue;\n\n\t\tif(tm>0) continue;\n\n\t\tif(tm==0)\n\n\t\t{\n\n\t\t\ttc++;\n\n\t\t\tts++;\n\n\t\t\tif(tc==sx.size())\n\n\t\t\t{\n\n\t\t\t\tif(ts==n*n)\n\n\t\t\t\t{\n\n\t\t\t\t\treturn true;\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t{\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tttx=tx;\n\n\t\t\ttty=ty;\n\n\t\t\ttx = sx[tc];\n\n\t\t\tty = sy[tc];\n\n\t\t\ttm = tb[tx][ty];\n\n\t\t}\n\n\t\tvisited[ttx][tty]=1;\n\n\t\tvisited[x][y]=1;\n\n\t\tif(dfs(tx,ty,ts+1,tc,tm)) return true;\n\n\t\tvisited[x][y]=0;\n\n\t\tvisited[ttx][tty]=0;\n\n\t}\n\n\treturn false;\n\n}\n\n\n\nint main()\n\n{\n\n\twhile(cin >> n, n)\n\n\t{\n\n\t\tsum = 0;\n\n\t\tmemset(visited, 0, sizeof(visited));\n\n\t\tsx.clear();\n\n\t\tsy.clear();\n\n\n\n\t\tfor(int i=0; i<100; i++)\n\n\t\t{\n\n\t\t\ttb[i/10][i%10] = 0;\n\n\t\t}\n\n\n\n\t\tfor(int i=0; i<n*n; i++)\n\n\t\t{\n\n\t\t\tcin >> t; sum+=t;\n\n\t\t\ttb[(i/n)+1][(i%n)+1] = t;\n\n\n\n\t\t\tif(t<0)\n\n\t\t\t{\n\n\t\t\t\tsx.push_back((i/n)+1);\n\n\t\t\t\tsy.push_back((i%n)+1);\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\t// \u0094\u00bb\u0092\u00e8\u0082\u00bb\u0082\u00cc1\n\n\t\tif(sum!=0) { cout << \"NO\\n\"; continue; }\n\n\n\n\t\tif(dfs(sx[0],sy[0],1,0,tb[sx[0]][sy[0]]))\n\n\t\t{\n\n\t\t\tcout << \"YES\\n\";\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tcout << \"NO\\n\";\n\n\t\t}\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002914"}204{"label": "pie_cpp_test_002915", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p00620", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002915.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002915", "task_path": "tasks/test/pie_cpp_test_002915.json", "visible_test_count": 1}, "problem_id": "p00620", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3\n-3 1 1\n2 -4 1\n2 1 -1\n3\n-4 1 1\n1 1 -6\n1 -5 3\n4\n-8 6 -2 1\n2 -7 -2 1\n1 -1 1 1\n1 1 1 -5\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -13\n6\n2 2 3 -7 3 2\n1 -10 1 1 3 2\n2 6 5 2 -6 1\n3 4 -23 2 2 5\n3 3 -6 2 3 7\n-7 2 3 2 -5 -12\n0\n\nExpected output:\nYES\nNO\nNO\nYES\nNO\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<map>\n\n#include<vector>\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> P;\n\n\n\nint n;\n\nint t[10][10];\n\nlong long v;\n\nmap<long long,bool> m;\n\nvector<P> can;\n\nint dy[] = {-1,0,1,0} , dx[] = {0,1,0,-1};\n\n\n\nbool rec(int id);\n\n\n\nbool dfs(int id,int y,int x,int sum){\n\n if(sum == 0)return rec(id+1);\n\n if(sum>0)return false;\n\n\n\n for(int i=0;i<4;i++){\n\n int ty = y+dy[i], tx = x+dx[i];\n\n if(ty<0 || tx<0 || n<=ty || n<= tx)continue;\n\n if( (v>>(ty*n+tx)) & 1LL || t[ty][tx]<0)continue;\n\n v |= 1LL << (ty*n+tx);\n\n if(dfs(id,ty,tx,sum+t[ty][tx]))return true;\n\n v -= 1LL << (ty*n+tx);\n\n }\n\n return false;\n\n}\n\n\n\nbool rec(int id){\n\n if(id == can.size())return true;\n\n if(m[v])return false;\n\n m[v] = true;\n\n int y = can[id].first, x = can[id].second;\n\n v |= 1LL << y*n+x;\n\n return dfs(id,y,x,t[y][x]);\n\n}\n\n\n\nint main(){\n\n while(cin >> n,n){\n\n int sum = 0; can.clear(); m.clear();\n\n for(int i=0;i<n;i++)\n\n for(int j=0;j<n;j++){\n\n\tcin >> t[i][j];\n\n\tsum += t[i][j];\n\n\tif(t[i][j]<0)can.push_back(P(i,j));\n\n }\n\n v = 0LL;\n\n\n\n cout << ( (!sum && rec(0))?\"YES\\n\":\"NO\\n\" );\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002915"}205{"label": "pie_cpp_test_002951", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002951.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002951", "task_path": "tasks/test/pie_cpp_test_002951.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\n#include<cstring>\n\n#include<cmath>\n\n#include<map>\n\n#define MN 50005\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst ll mod=1e9+7;\n\nmap<int,ll> f;\n\nint n,k,num[10000005],a[MN],sum[MN],tot,tt;ll ans;\n\nll pow(int x,int y){\n\n\tll tmp=1;\n\n\twhile(y){\n\n\t\tif(y&1)tmp=tmp*x%mod;\n\n\t\ty>>=1,x=1ll*x*x%mod;\n\n\t}return tmp;\n\n}\n\nvoid add(ll &x,int y){(x+=y)>=mod?x-=mod:0;}\n\nvoid dec(ll &x,int y){(x-=y)<0?x+=mod:0;}\n\nvoid dfs(int u,int now){\n\n\tif(u==tot+1){num[++tt]=now;return ;}\n\n\tfor(int i=0;i<=sum[u];i++)dfs(u+1,now*pow(a[u],i));\n\n}\n\nint main(){\n\n\tscanf(\"%d%d\",&n,&k);int tmp=(int)sqrt(n);f[1]=k;\n\n\tint now=n;\n\n\tfor(int i=2;i<=tmp;i++)if(now%i==0){\n\n\t\ta[++tot]=i;\n\n\t\twhile(now%i==0)now/=i,sum[tot]++;\n\n\t}if(now!=1)a[++tot]=now,sum[tot]=1;dfs(1,1);\n\n\tsort(num+1,num+tt+1);\n\n\tfor(int i=2;i<=tt;i++){\n\n\t\tf[num[i]]=pow(k,(num[i]+1)/2);\n\n\t\tfor(int j=2;j<sqrt(num[i]);j++)if(num[i]%j==0){\n\n\t\t\tdec(f[num[i]],f[j]),dec(f[num[i]],f[num[i]/j]);\n\n\t\t}dec(f[num[i]],f[1]);\n\n\t\tif((int)sqrt(num[i])*(int)sqrt(num[i])==num[i])dec(f[num[i]],f[(int)sqrt(num[i])]);\n\n\t}for(int i=1;i<=tt;i++)if(num[i]%2==1)add(ans,f[num[i]]*num[i]%mod);else add(ans,f[num[i]]*num[i]/2%mod);\n\n\tprintf(\"%lld\\n\",ans);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002951"}206{"label": "pie_cpp_test_002952", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002952.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002952", "task_path": "tasks/test/pie_cpp_test_002952.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconst int mod = 1e9 + 7;\n\nlong long n, k, cnt = 1, dp[1500], ans = 0;\n\nvector<long long> divisors;\n\n\n\nlong long power(long long a, long long n) {\n\n if(n == 0) return 1;\n\n if(n == 1) return a;\n\n long long b = power(a, n/2);\n\n b = (b*b) % mod;\n\n if(n&1) b = (b*a) % mod;\n\n return b;\n\n}\n\n\n\nint main() {\n\n scanf(\"%lld%lld\", &n, &k);\n\n long long p = sqrt(n);\n\n for(int i = 1; i <= p; i++) {\n\n if(n % i == 0) {\n\n divisors.push_back(i);\n\n long long q = n/i;\n\n if(q > i) divisors.push_back(q);\n\n }\n\n }\n\n sort(divisors.begin(), divisors.end());\n\n for(int i = 0; i < divisors.size(); i++) {\n\n dp[i] = power(k, (divisors[i] + 1)/2) % mod;\n\n for(int j = 0; j < i; j++) {\n\n if(divisors[i] % divisors[j] == 0) dp[i] = (dp[i] - dp[j] + mod) % mod;\n\n }\n\n ans = ((divisors[i]&1 ? divisors[i] : divisors[i]>>1) * dp[i] + ans) % mod;\n\n }\n\n printf(\"%lld\", ans);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002952"}207{"label": "pie_cpp_test_002953", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002953.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002953", "task_path": "tasks/test/pie_cpp_test_002953.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define ll long long\n\nusing namespace std;\n\nll n,m,ans,a[5010],cnt,f[5010],p=1e9+7;\n\nll ksm(ll x,ll y){\n\n\tll xlh=1;\n\n\twhile(y){\n\n\t\tif(y%2==1)xlh=xlh*x%p;\n\n\t\tx=x*x%p;\n\n\t\ty/=2;\n\n\t}\n\n\treturn xlh;\n\n}\n\nint main(){\n\n\tll i,j;\n\n\tscanf(\"%lld%lld\",&n,&m);\n\n\tfor(i=1;i*i<=n;i++)if(n%i==0){\n\n\t\ta[++cnt]=i;\n\n\t\tif(n/i!=i)a[++cnt]=n/i;\n\n\t}\n\n\tsort(a+1,a+cnt+1);\n\n\t//puts(\"-1\");\n\n\tfor(i=1;i<=cnt;i++){\n\n\t\t//printf(\"%lld %lld\\n\",i,a[i]);\n\n\t\tf[i]=ksm(m,(a[i]+1)/2)%p;\n\n\t//\tputs(\"-2\");\n\n\t\tfor(j=1;j<i;j++)if(a[i]%a[j]==0)f[i]=(f[i]-f[j]+p)%p;\n\n\t\t//puts(\"-3\");\n\n\t\tif(a[i]%2==1)ans=(ans+a[i]*f[i]%p)%p;\n\n\t\t else ans=(ans+a[i]*f[i]%p*ksm(2,p-2)%p)%p;\n\n\t\t//printf(\"%lld %lld %lld\\n\",i,f[i],ans);\n\n\t}\n\n\tprintf(\"%lld\",ans);\n\n}\n\n/*\n\n\u4e00\u4e2a\u4e32\u5faa\u73af\u4f4d\u79fb\u540e\u80fd\u5f97\u5230\u7684\u4e0d\u540c\u7684\u4e32\u7684\u4e2a\u6570\u4e3a\u8be5\u4e32\u7684\u6700\u77ed\u5faa\u73af\u8282\n\n\u679a\u4e3e\u5faa\u73af\u8282\u957f\u5ea6\uff0c\u7b97\u51fa\u8be5\u957f\u5ea6\u7684\u65b9\u6848\uff08\u5bb9\u65a5\uff09 \n\n1e9\u4ee5\u5185\u6700\u591a\u8d28\u56e0\u5b50\u7684\u6570\u53ea\u67091000\u591a \n\n*/\n```", "split": "test", "task_id": "pie_cpp_test_002953"}208{"label": "pie_cpp_test_002954", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 23, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 23, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002954.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002954", "task_path": "tasks/test/pie_cpp_test_002954.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n// C++(GCC 9.2.1)\n\n// \u89e3\u304d\u76f4\u3057.\n\n// https://img.atcoder.jp/arc064/editorial.pdf\n\n// \u2460 1_27.txt, 1_28.txt, 1_30.txt, 1_31.txt \u3067, WA\u7248\u3068\u306a\u3063\u305f\u305f\u3081, \u30ed\u30b8\u30c3\u30af\u4fee\u6b63.\n\n// -> d[i] / 2 \u306f d[i] * 500000004 % MOD \u306b \u4fee\u6b63 -> \u6700\u7d42\u7684\u306b, \u3082\u3068\u306b\u623b\u3057\u305f.\n\n// \u2461 1_27.txt \u3067, WA\u7248\u3068\u306a\u3063\u305f\u305f\u3081, \u30ed\u30b8\u30c3\u30af\u4fee\u6b63.\n\n// -> mPow \u306e \u7b2c\u4e8c\u5f15\u6570\u304c, \u5207\u308a\u6368\u3066\u3060\u3063\u305f\u3082\u306e\u3092, \u5207\u308a\u4e0a\u3052\u306b\u4fee\u6b63.\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing LL = long long;\n\n#define repex(i, a, b, c) for(int i = a; i < b; i += c)\n\n#define repx(i, a, b) repex(i, a, b, 1)\n\n#define rep(i, n) repx(i, 0, n)\n\n#define repr(i, a, b) for(int i = a; i >= b; i--)\n\n#define pb push_back\n\n#define all(x) x.begin(), x.end()\n\nconst LL MOD = 1e9 + 7;\n\n\n\n// \u4e0e\u3048\u3089\u308c\u305f\u6b63\u306e\u6574\u6570\u306e\u3059\u3079\u3066\u306e\u7d04\u6570\u3092\u62bd\u51fa.\n\n// @param X: \u7d04\u6570\u3092\u62bd\u51fa\u3057\u305f\u3044\u6b63\u306e\u6574\u6570.\n\n// @return ret: \u3059\u3079\u3066\u306e\u7d04\u6570.\n\nvector<LL> div(LL X){\n\n vector<LL> ret;\n\n ret.pb(1);\n\n for(LL d = 2; d * d <= X; d++){\n\n if(X % d == 0){\n\n ret.pb(d);\n\n if(d * d != X) ret.pb(X / d);\n\n }\n\n }\n\n if(X > 1) ret.pb(X);\n\n sort(all(ret));\n\n return ret;\n\n}\n\n\n\n// Fermat's little theorem \u304b\u3089, \u5927\u304d\u306a\u51aa\u4e57\u306e\u8a08\u7b97\u3092\u884c\u3046.\n\n// @param a: \u3079\u304d\u4e57\u3057\u305f\u3044\u6b63\u6574\u6570.\n\n// @param b: \u6307\u6570.\n\n// @return: \u3079\u304d\u4e57\u3057\u305f\u8a08\u7b97\u7d50\u679c(mod\u7248).\n\nLL mPow(LL a, LL b){\n\n LL t = 1;\n\n while(b){\n\n if(b & 1) t = (t * a) % MOD;\n\n a = a * a % MOD;\n\n b >>= 1;\n\n }\n\n return t % MOD;\n\n}\n\n\n\nint main(){\n\n \n\n // 1. \u5165\u529b\u60c5\u5831.\n\n LL N, K;\n\n scanf(\"%lld %lld\", &N, &K);\n\n \n\n // 2. \u4f8b\u5916.\n\n if(N == 1){\n\n printf(\"%lld\\n\", K);\n\n return 0;\n\n }\n\n \n\n // 3. N \u306e \u7d04\u6570.\n\n vector<LL> d = div(N);\n\n // for(auto &p : d) printf(\"%lld \", p);\n\n // puts(\"\");\n\n \n\n // 4. \u5404\u6700\u5c0f\u5468\u671f\u306b\u5bfe\u5fdc\u3059\u308b\u6570\u5217\u306e\u500b\u6570.\n\n int l = d.size();\n\n LL num[l];\n\n memset(num, 0, sizeof(num));\n\n rep(i, l){\n\n // num[i] = mPow(K, d[i] / 2);\n\n // num[i] = mPow(K, d[i] * 500000004 % MOD);\n\n num[i] = mPow(K, (d[i] + 1) / 2);\n\n rep(j, i){\n\n if(d[i] % d[j] == 0) num[i] = (num[i] + MOD - num[j]) % MOD;\n\n }\n\n }\n\n \n\n // 5. \u89e3\u7b54\u3092\u6c42\u3081\u308b\u305f\u3081\u306e\u6570\u5f0f\u3092\u8a08\u7b97.\n\n LL ans = 0, nd;\n\n rep(i, l){\n\n // nd = (d[i] & 1) ? d[i] : d[i] / 2;\n\n // nd = (d[i] & 1) ? d[i] : (d[i] * 500000004 % MOD);\n\n nd = (d[i] & 1) ? d[i] : d[i] / 2;\n\n ans += num[i] * nd;\n\n ans %= MOD;\n\n }\n\n \n\n // 6. \u51fa\u529b.\n\n printf(\"%lld\\n\", ans);\n\n return 0;\n\n \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002954"}209{"label": "pie_cpp_test_002955", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002955.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002955", "task_path": "tasks/test/pie_cpp_test_002955.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define int long long\n\n \n\nconst int mod = 1e9 + 7;\n\n\n\nvector<int> d, f;\n\nint n, k;\n\n\n\nint qpow(int a,int exp) {\n\n\tint ans = 1;\n\n\twhile(exp) {\n\n\t\tif(exp & 1) ans = ans * a % mod;\n\n\t\ta = a * a % mod; exp >>= 1;\n\n\t}\n\n\treturn ans;\n\n}\n\n \n\nsigned main() {\n\n\tios_base::sync_with_stdio(false);\n\n\tcin.tie(0); cout.tie(0);\n\n\t\n\n\tcin >> n >> k;\n\n\t\n\n\tfor(int i = 1 ; i * i <= n ; ++i) \n\n\t\tif (n % i == 0) {\n\n\t\t\td.push_back(i);\n\n\t\t\tif (i < (n / i)) \n\n\t\t\t\td.push_back(n / i);\t\n\n\t\t}\n\n\tsort(d.begin(),d.end());\n\n\t\n\n\tf.resize(d.size());\n\n\t\n\n\tint ans = 0;\n\n\t\n\n\tfor(int i = 0 ; i < d.size() ; ++i) {\n\n\t\tf[i] = qpow(k,(d[i] + 1) / 2);\n\n\t\tfor(int j = 0 ; j < i ; ++j)\n\n\t\t\tif(d[i] % d[j] == 0)\n\n\t\t\t\tf[i] = (f[i] - f[j] + mod) % mod;\n\n\t\tans = (ans + f[i] * (d[i] & 1 ? d[i] : d[i] / 2)) % mod;\n\n\t}\n\n\t\n\n\tcout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002955"}210{"label": "pie_cpp_test_002956", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002956.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002956", "task_path": "tasks/test/pie_cpp_test_002956.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,a,b) for(int i=a;i<b;i++)\n\n\n\n\n\n\n\n\n\n#define MOD 1000000007\n\ntypedef long long ll;\n\nll modpow(ll a, ll n) {\n\n\ta %= MOD;\n\n\tif (a == 0) return 0;\n\n\tll r = 1;\n\n\twhile (n) r = r*((n % 2) ? a : 1) % MOD, a = a*a%MOD, n >>= 1;\n\n\treturn r;\n\n}\n\nvector<ll> enumdiv(ll n) {\n\n\tvector<ll> S;\n\n\tfor (ll i = 1; i*i <= n; i++) if (n%i == 0) { S.push_back(i); if (i*i != n) S.push_back(n / i); }\n\n\tsort(S.begin(), S.end());\n\n\treturn S;\n\n}\n\n//-----------------------------------------------------------------\n\nll N, K;\n\nmap<ll, ll> memo;\n\nll num(ll d) {\n\n\tif (memo.find(d) != memo.end()) return memo[d];\n\n\n\n\tll ret = modpow(K, (d + 1) / 2);\n\n\t\n\n\tauto v = enumdiv(d);\n\n\tfor (ll dd : v) if (dd != d) {\n\n\t\tret = (ret - num(dd) + MOD) % MOD;\n\n\t}\n\n\n\n\treturn memo[d] = ret;\n\n}\n\n//-----------------------------------------------------------------\n\nint main() {\n\n\tcin >> N >> K;\n\n\n\n\tll ans = 0;\n\n\tauto v = enumdiv(N);\n\n\tfor (ll d : v) {\n\n\t\tif (d % 2)\n\n\t\t\tans = (ans + num(d) * d) % MOD;\n\n\t\telse\n\n\t\t\tans = (ans + num(d) * d / 2) % MOD;\n\n\t}\n\n\n\n\tcout << ans << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002956"}211{"label": "pie_cpp_test_002957", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002957.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002957", "task_path": "tasks/test/pie_cpp_test_002957.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdint>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <numeric>\n\n#include <map>\n\n\n\nstd::vector<intmax_t> divisor(intmax_t n) {\n\n std::vector<intmax_t> res;\n\n for (intmax_t i = 1; i*i <= n; ++i) {\n\n if (n % i) continue;\n\n res.push_back(i);\n\n if (n/i != i) res.push_back(n/i);\n\n }\n\n std::sort(res.begin(), res.end());\n\n return res;\n\n}\n\n\n\ntemplate <typename InputIt>\n\nauto compress(InputIt first, InputIt last) {\n\n using value_type = typename InputIt::value_type;\n\n std::map<value_type, size_t> res;\n\n while (first != last) res[*first++];\n\n size_t i = 0;\n\n for (auto& p: res) p.second = i++;\n\n return res;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp gcd(Tp a, Tp b, Tp& x, Tp& y) {\n\n x = Tp(0);\n\n y = Tp(1);\n\n for (Tp u = y, v = x; a;) {\n\n Tp q = b/a;\n\n std::swap(x -= q*u, u);\n\n std::swap(y -= q*v, v);\n\n std::swap(b -= q*a, a);\n\n }\n\n return b;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp modinv(Tp a, Tp mod) {\n\n Tp x, y;\n\n gcd(a, mod, x, y);\n\n x %= mod;\n\n if (x < 0) x += mod;\n\n return x;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp modadd(Tp a, Tp b, Tp mod) {\n\n a += b % mod;\n\n if (a < 0) a += mod;\n\n if (a >= mod) a -= mod;\n\n return a;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp modadd(std::initializer_list<Tp> const& adds, Tp mod) {\n\n Tp res = 0;\n\n for (auto const& add: adds) {\n\n res += add % mod;\n\n if (res < 0) res += mod;\n\n if (res >= mod) res -= mod;\n\n }\n\n return res;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp modsub(Tp a, Tp b, Tp mod) {\n\n a -= b % mod;\n\n if (a < 0) a += mod;\n\n if (a >= mod) a -= mod;\n\n return a;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp modmul(std::initializer_list<Tp> const& muls, Tp mod) {\n\n Tp res = 1;\n\n for (auto const& mul: muls) (res *= mul) %= mod;\n\n return res;\n\n}\n\n\n\ntemplate <typename Tp>\n\nTp modpow(Tp base, intmax_t iexp, Tp mod) {\n\n Tp res = 1;\n\n for (Tp dbl = base; iexp; iexp >>= 1) {\n\n if (iexp & 1) res = res * dbl % mod;\n\n dbl = dbl * dbl % mod;\n\n }\n\n return res;\n\n}\n\n\n\nconstexpr intmax_t operator \"\"_jd(unsigned long long n) { return n; }\n\nconstexpr uintmax_t operator \"\"_ju(unsigned long long n) { return n; }\n\nconstexpr size_t operator \"\"_zu(unsigned long long n) { return n; }\n\n// constexpr ptrdiff_t operator \"\"_td(unsigned long long n) { return n; }\n\n\n\nconstexpr intmax_t mod = 1e9+7;\n\n\n\nint main() {\n\n intmax_t n, k;\n\n scanf(\"%jd %jd\", &n, &k);\n\n\n\n std::vector<intmax_t> ds = divisor(n);\n\n std::map<intmax_t, size_t> map = compress(ds.begin(), ds.end());\n\n std::vector<size_t> dp(map.size());\n\n intmax_t inv2 = modpow(2_jd, mod-2, mod);\n\n for (auto d: ds) {\n\n intmax_t cur = modpow(k, (d+1)/2, mod);\n\n for (auto d0: ds) {\n\n if (d == d0) break;\n\n if (d % d0) continue;\n\n cur = (cur + mod - dp[map.at(d0)]) % mod;\n\n }\n\n dp[map.at(d)] = cur;\n\n }\n\n\n\n intmax_t res = 0;\n\n for (auto d: ds) {\n\n intmax_t cur = dp[map.at(d)];\n\n (cur *= d) %= mod;\n\n if (d % 2 == 0) (cur *= inv2) %= mod;\n\n (res += cur) %= mod;\n\n }\n\n printf(\"%jd\\n\", res);\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002957"}212{"label": "pie_cpp_test_002958", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002958.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002958", "task_path": "tasks/test/pie_cpp_test_002958.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int mod=1e9+7;\n\nmap<int,int> f;\n\nvector<int> hve;\n\nint ans=0,n,k;\n\nint qpower(int a,int c){\n\n\tint re=1;\n\n\twhile (c){\n\n\t\tif (c&1) re=1ll*re*a%mod;\n\n\t\tc>>=1;a=1ll*a*a%mod;\n\n\t}\n\n\treturn re;\n\n}\n\nint solveit(int v){\n\n\tif (f.find(v)!=f.end()) return f[v];\n\n\tint re=qpower(k,(v+1)/2);\n\n\tfor (int i=1;i*i<=v;i++){\n\n\t\tif (v%i==0 && i!=v){\n\n\t\t\tre=(re-solveit(i)+mod)%mod;\n\n\t\t\tif (i!=1 && i*i!=v) re=(re-solveit(v/i)+mod)%mod;\n\n\t\t}\n\n\t}\n\n\tf[v]=re;\n\n\treturn re;\n\n}\n\nint main(){\n\n\tscanf(\"%d%d\",&n,&k);\n\n\tfor (int i=1;i*i<=n;i++){\n\n\t\tif (n%i==0){\n\n\t\t\thve.push_back(i);\n\n\t\t\tif (i*i!=n) hve.push_back(n/i);\n\n\t\t}\n\n\t}\n\n\tsort(hve.begin(),hve.end());\n\n\tfor (int i=0;i<hve.size();i++){\n\n\t\tint ff=solveit(hve[i]);\n\n\t\tans=(ans+1ll*ff*((hve[i]&1)?hve[i]:hve[i]/2)%mod)%mod;\n\n\t}\n\n\tprintf(\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002958"}213{"label": "pie_cpp_test_002959", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002959.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002959", "task_path": "tasks/test/pie_cpp_test_002959.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i, begin, end) for(int i=(begin);i<(end);i++)\n\n#define REP(i, n) FOR(i,0,n)\n\n#define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--)\n\n#define IREP(i, n) IFOR(i,0,n)\n\n#define SORT(a) sort(a.begin(), a.end())\n\n#define REVERSE(a) reverse(a.begin(), a.end())\n\n#define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x))\n\n#define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x))\n\n#define int long long\n\n#define INF 1000000000000000000\n\nusing namespace std;\n\n\n\n#define ANS(f) if(f) cout << \"YES\" << endl; else cout << \"NO\" << endl;\n\n\n\ntypedef vector<int> vec;\n\ntypedef vector<vec> mat;\n\ntypedef pair<int, int> Pii;\n\n\n\ntemplate<typename T>\n\nvoid readv(vector<T> &a){ REP(i, a.size()) cin >> a[i]; }\n\nvoid readi(vector<int> &a){ REP(i, a.size()){cin >> a[i]; a[i]--;} }\n\nvoid debug(mat m){REP(i, m.size()){ REP(j, m[i].size()){ cout << m[i][j] << \",\"; } cout << endl; }}\n\n\n\nint modpow(int x, int n, int m){\n\n int a = 1;\n\n IREP(i, 64){\n\n a = (a * a) % m;\n\n if(((n >> i) & 1) == 1) a = (a * x) % m;\n\n }\n\n return a;\n\n}\n\n\n\n//\u5468\u671f\u304ci\u306e\u7d04\u6570\u306e\u56de\u6587\u6570\n\nint calcnum(int i, int K, int mod){\n\n return modpow(K, (i + 1) / 2, mod);\n\n}\n\n\n\nint mebius(int d){\n\n int m = 1;\n\n int d0 = d;\n\n for(int i = 2; i * i <= d; i++){\n\n int k = 0;\n\n while(d0 % i == 0){\n\n k++;\n\n d0 /= i;\n\n }\n\n if(k >= 2) return 0;\n\n else if(k == 1) m *= -1;\n\n }\n\n if(d0 > 1) return -m;\n\n else return m;\n\n}\n\n\n\nsigned main(){\n\n\n\n int N, K; cin >> N >> K;\n\n int mod = 1000000007;\n\n\n\n map<int, int> f, mu;\n\n for(int i = 1; i * i <= N; i++){\n\n if(N % i == 0){\n\n f[i] = calcnum(i, K, mod);\n\n f[N / i] = calcnum(N / i, K, mod);\n\n mu[i] = mebius(i);\n\n mu[N / i] = mebius(N / i);\n\n }\n\n }\n\n int ans = 0;\n\n for(auto p: f){\n\n int n = p.first;\n\n int val = 0;\n\n for(auto q: f){\n\n int d = q.first;\n\n if(n % d == 0){\n\n val += mu[n / d] * q.second;\n\n val = (val % mod + mod) % mod;\n\n }\n\n }\n\n //g[n] = val;\n\n //cout << n << \" \" << val << endl;\n\n if(n % 2 == 0) ans += val * (n / 2);\n\n else ans += val * n;\n\n ans %= mod;\n\n }\n\n cout << ans << endl;\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002959"}214{"label": "pie_cpp_test_002960", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002960.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002960", "task_path": "tasks/test/pie_cpp_test_002960.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef vector<int> vi;\n\ntypedef vector<ll> vl;\n\ntypedef pair<int,int> pii;\n\ntypedef pair<ll,ll> pll;\n\n\n\ntypedef int _loop_int;\n\n#define REP(i,n) for(_loop_int i=0;i<(_loop_int)(n);++i)\n\n#define FOR(i,a,b) for(_loop_int i=(_loop_int)(a);i<(_loop_int)(b);++i)\n\n#define FORR(i,a,b) for(_loop_int i=(_loop_int)(b)-1;i>=(_loop_int)(a);--i)\n\n\n\n#define DEBUG(x) cout<<#x<<\": \"<<x<<endl\n\n#define DEBUG_VEC(v) cout<<#v<<\":\";REP(i,v.size())cout<<\" \"<<v[i];cout<<endl\n\n#define ALL(a) (a).begin(),(a).end()\n\n\n\n#define CHMIN(a,b) a=min((a),(b))\n\n#define CHMAX(a,b) a=max((a),(b))\n\n\n\n// mod\n\nconst ll MOD = 1000000007ll;\n\n#define FIX(a) ((a)%MOD+MOD)%MOD\n\nll modpow(ll a,ll b){\n\n ll r = 1;\n\n while(b){\n\n if(b&1)r=r*a%MOD;\n\n a=a*a%MOD;\n\n b>>=1;\n\n }\n\n return r;\n\n}\n\n\n\nint main(){\n\n int n,k;\n\n scanf(\"%d%d\",&n,&k);\n\n vi divisor;\n\n for(int x=1;x*x<=n;x++){\n\n if(n%x!=0)continue;\n\n divisor.push_back(x);\n\n if(x*x!=n)divisor.push_back(n/x);\n\n }\n\n sort(ALL(divisor));\n\n int m = divisor.size();\n\n vl vals(m,0);\n\n ll ans = 0;\n\n REP(i,m){\n\n int v = divisor[i];\n\n ll unit = modpow(k,(v+1)/2);\n\n REP(j,i)if(v%divisor[j]==0)unit=(unit-vals[j]+MOD)%MOD;\n\n vals[i] = unit;\n\n unit *= v;\n\n if(v%2==0)unit /= 2;\n\n ans = (ans+unit)%MOD;\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002960"}215{"label": "pie_cpp_test_002961", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03867", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_002961.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_002961", "task_path": "tasks/test/pie_cpp_test_002961.json", "visible_test_count": 1}, "problem_id": "p03867", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n4 2\n\nExpected output:\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h> \n\nusing namespace std;\n\n\n\n#define ll long long\n\n#define P 1000000007 \n\n\n\nll n,k,dp[33335];\n\n\n\nvector<ll> fac;\n\n\n\nll fpow(ll a,ll b){\n\n\tll c=1;\n\n\tfor(;b;b>>=1,a=a*a%P)\n\n\t\tif(b&1) c=c*a%P;\n\n\treturn c;\n\n}\n\n\n\nvoid work()\n\n{\n\n\tll ans=0;\n\n\tfor(int x=0;x<fac.size();x++){\n\n\t\tdp[x]=fpow(k,(fac[x]+1)/2);\n\n\t\tfor(int y=0;y<x;y++){\n\n\t\t\tif(fac[x]%fac[y]==0)\n\n\t\t\t\tdp[x]=(dp[x]-dp[y]+P)%P;\n\n\t\t}\n\n\t\tif(fac[x]%2) ans=(ans+dp[x]*fac[x]%P)%P; \n\n else ans=(ans+dp[x]*fac[x]/2%P)%P;\n\n\t}\n\n cout<<ans<<endl; \n\n}\n\n\n\nvoid init()\n\n{\n\n\tfac.clear();\n\n\tfor(ll i=1;i*i<=n;i++){\n\n if(n%i==0){\n\n fac.push_back(i);\n\n if(i*i!=n) fac.push_back(n/i);\n\n }\n\n }\n\n sort(fac.begin(),fac.end());\n\n}\n\n\n\nint main()\n\n{\n\n\twhile(cin>>n>>k) init(),work();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_002961"}216{"label": "pie_cpp_test_003244", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p01338", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003244.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003244", "task_path": "tasks/test/pie_cpp_test_003244.json", "visible_test_count": 1}, "problem_id": "p01338", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n\n1 1 0 3 3\n1 1 0 3 3\n0 0 0 0 0\n2 2 0 4 4\n2 2 0 4 4\n\n1 1 1 0 0\n1 1 1 1 0\n1 0 1 1 0\n0 0 1 1 1\n1 1 1 1 1\n\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n\n2 2 2 2 2\n0 0 0 2 0\n2 2 0 2 0\n2 2 0 2 0\n0 0 0 2 0\n\nExpected output:\n1280\n1420\n0\n1920\n1020\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nstruct NODE{\n\n int m[7];\n\n\n\n bool operator<(const NODE &n)const{\n\n for(int i=0;i<7;i++)if(m[i]!=n.m[i])return m[i]<n.m[i];\n\n return false;\n\n }\n\n};\n\n\n\nint to[]={0,2,3,4,1};\n\nint table[]={0,60,10,10,-80};\n\nint score[]={0,0,60,70,80};\n\nint fld[5][5];\n\n\n\nvoid solve(){\n\n for(int i=0;i<5;i++)\n\n for(int j=0;j<5;j++)\n\n cin>>fld[i][j];\n\n\n\n map<NODE,int>prev;\n\n NODE start;\n\n for(int i=0;i<5;i++)start.m[6-i]=fld[0][i];\n\n for(int i=0;i<2;i++)start.m[1-i]=fld[1][i];\n\n int sum=0;\n\n for(int i=0;i<5;i++)\n\n for(int j=0;j<5;j++)\n\n sum+=score[fld[i][j]];\n\n prev[start]=sum;\n\n\n\n for(int i=0;i<4;i++){\n\n for(int j=0;j<4;j++){\n\n map<NODE,int>next;\n\n for(map<NODE,int>::iterator it=prev.begin();it!=prev.end();it++){\n\n\n\n NODE d=it->first;\n\n int val=it->second;\n\n for(int k=0;k<4;k++){\n\n for(int l=0;l<7;l++)if(l<2||l>=5){\n\n\n\n val+=table[d.m[l]];\n\n d.m[l]=to[d.m[l]];\n\n }\n\n NODE e=d;\n\n if(j!=3){\n\n for(int l=6;l>0;l--)e.m[l]=e.m[l-1];\n\n e.m[0]=fld[i+1][j+2];\n\n }\n\n else{\n\n for(int l=6;l>1;l--)e.m[l]=e.m[l-2];\n\n e.m[1]=fld[i+2][0];\n\n e.m[0]=fld[i+2][1];\n\n }\n\n if(next.find(e)!=next.end())next[e]=max(next[e],val);\n\n else next[e]=val;\n\n }\n\n }\n\n prev=next;\n\n }\n\n\n\n }\n\n\n\n int ans=0;\n\n for(map<NODE,int>::iterator it=prev.begin();it!=prev.end();it++){\n\n ans=max(ans,it->second);\n\n }\n\n\n\n cout<<ans<<endl;\n\n\n\n\n\n}\n\nint main(){\n\n int n;\n\n cin>>n;\n\n\n\n while(n--)solve();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003244"}217{"label": "pie_cpp_test_003245", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p01338", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003245.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003245", "task_path": "tasks/test/pie_cpp_test_003245.json", "visible_test_count": 1}, "problem_id": "p01338", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n\n1 1 0 3 3\n1 1 0 3 3\n0 0 0 0 0\n2 2 0 4 4\n2 2 0 4 4\n\n1 1 1 0 0\n1 1 1 1 0\n1 0 1 1 0\n0 0 1 1 1\n1 1 1 1 1\n\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n\n2 2 2 2 2\n0 0 0 2 0\n2 2 0 2 0\n2 2 0 2 0\n0 0 0 2 0\n\nExpected output:\n1280\n1420\n0\n1920\n1020\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint dp[40][1<<14];\n\nint v[40];\n\n\n\nint pnt(int c){\n\n return c>0?50+c*10:0;\n\n}\n\n\n\nint toBit(int c[7],int p){\n\n int bit=0;\n\n for(int i=1;i<7;i++){\n\n bit=(bit<<2)|c[i];\n\n }\n\n bit=(bit<<2)|(~v[p+7]?v[p+7]:0);\n\n return bit;\n\n}\n\n\n\nvoid solve(){\n\n memset(v,-1,sizeof(v));\n\n for(int i=0;i<25;i++)cin>>v[i],v[i]--;\n\n memset(dp,-1,sizeof(dp));\n\n int start=0;\n\n for(int i=0;i<7;i++)start=(start<<2)|(~v[i]?v[i]:0);\n\n dp[0][start]=0;\n\n for(int i=0;i<25;i++){\n\n\n\n for(int S=0;S<(1<<14);S++){\n\n if(dp[i][S]==-1)continue;\n\n int c[7];\n\n for(int j=0;j<7;j++)c[6-j]=S>>(j*2)&3;\n\n\n\n if(i%5==4||i>=20){\n\n dp[i+1][toBit(c,i)]=max(dp[i+1][toBit(c,i)],dp[i][S]+pnt(c[0]));\n\n continue;\n\n }\n\n for(int j=0;j<4;j++){\n\n dp[i+1][toBit(c,i)]=max(dp[i+1][toBit(c,i)],dp[i][S]+pnt(c[0]));\n\n\n\n for(int k=0;k<7;k++)if(k<2||k>=5){\n\n if(~v[i+k])c[k]=(c[k]+1)%4;\n\n }\n\n }\n\n\n\n }\n\n }\n\n\n\n int ans=0;\n\n for(int i=0;i<(1<<14);i++)ans=max(ans,dp[25][i]);\n\n\n\n cout<<ans<<endl;\n\n\n\n}\n\n\n\nint main(){\n\n int n;cin>>n;\n\n while(n--)solve();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003245"}218{"label": "pie_cpp_test_003246", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 370, "hidden_test_count": 1, "problem_id": "p01338", "reference_metric": "runtime_cpu_ns", "reference_value": 370, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003246.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003246", "task_path": "tasks/test/pie_cpp_test_003246.json", "visible_test_count": 1}, "problem_id": "p01338", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n\n1 1 0 3 3\n1 1 0 3 3\n0 0 0 0 0\n2 2 0 4 4\n2 2 0 4 4\n\n1 1 1 0 0\n1 1 1 1 0\n1 0 1 1 0\n0 0 1 1 1\n1 1 1 1 1\n\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n\n2 2 2 2 2\n0 0 0 2 0\n2 2 0 2 0\n2 2 0 2 0\n0 0 0 2 0\n\nExpected output:\n1280\n1420\n0\n1920\n1020\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <sstream>\n\n#include <iomanip>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <string>\n\n#include <vector>\n\n#include <list>\n\n#include <queue>\n\n#include <stack>\n\n#include <set>\n\n#include <map>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <climits>\n\n#include <cfloat>\n\nusing namespace std;\n\n\n\nint toInt(const vector<int>& a){\n\n int ret = 0;\n\n for(int i=0; i<5; ++i)\n\n ret |= max(a[i], 0) << (i*2);\n\n return ret;\n\n}\n\n\n\nvector<int> toVector(int a){\n\n vector<int> ret(5);\n\n for(int i=0; i<5; ++i){\n\n ret[i] = a & 3;\n\n a >>= 2;\n\n }\n\n return ret;\n\n}\n\n\n\nint getScore(vector<int>& a, int b){\n\n int ret = 0;\n\n for(int i=0; i<5; ++i){\n\n if(a[i] != -1 && (b & 3))\n\n ret += 50 + 10 * (b & 3);\n\n b >>= 2;\n\n }\n\n return ret;\n\n}\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n\n\n while(--n >= 0){\n\n vector<vector<int> > grade(5, vector<int>(5));\n\n for(int i=0; i<5; ++i){\n\n for(int j=0; j<5; ++j){\n\n cin >> grade[i][j];\n\n -- grade[i][j];\n\n }\n\n }\n\n\n\n vector<int> dp(1<<10, -1);\n\n dp[toInt(grade[0])] = 0;\n\n for(int i=0; i<4; ++i){\n\n vector<int> nextDp(1<<10, -1);\n\n for(int j=0; j<(1<<10); ++j){\n\n if(dp[j] == -1)\n\n continue;\n\n for(int k=0; k<(1<<8); ++k){\n\n vector<int> a = toVector(j);\n\n vector<int> b = grade[i+1];\n\n for(int l=0; l<4; ++l){\n\n (a[l] += (k>>(l*2)) & 3) %= 4;\n\n (a[l+1] += (k>>(l*2)) & 3) %= 4;\n\n (b[l] += (k>>(l*2)) & 3) %= 4;\n\n (b[l+1] += (k>>(l*2)) & 3) %= 4;\n\n }\n\n int a1 = toInt(a);\n\n int b1 = toInt(b);\n\n nextDp[b1] = max(nextDp[b1], dp[j] + getScore(grade[i], a1)); \n\n }\n\n }\n\n dp.swap(nextDp);\n\n }\n\n\n\n int ret = 0;\n\n for(int i=0; i<(1<<10); ++i){\n\n ret = max(ret, dp[i] + getScore(grade[4], i));\n\n }\n\n cout << ret << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003246"}219{"label": "pie_cpp_test_003247", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 440, "hidden_test_count": 1, "problem_id": "p01338", "reference_metric": "runtime_cpu_ns", "reference_value": 440, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003247.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003247", "task_path": "tasks/test/pie_cpp_test_003247.json", "visible_test_count": 1}, "problem_id": "p01338", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n\n1 1 0 3 3\n1 1 0 3 3\n0 0 0 0 0\n2 2 0 4 4\n2 2 0 4 4\n\n1 1 1 0 0\n1 1 1 1 0\n1 0 1 1 0\n0 0 1 1 1\n1 1 1 1 1\n\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n\n2 2 2 2 2\n0 0 0 2 0\n2 2 0 2 0\n2 2 0 2 0\n0 0 0 2 0\n\nExpected output:\n1280\n1420\n0\n1920\n1020\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <map>\n\n#include <algorithm>\n\n#include <bitset>\n\nusing namespace std;\n\n\n\n#define loop(i,a,b) for(int i=(a); i<int(b); i++)\n\n#define rep(i,b) loop(i,0,b)\n\n#define iter(it,c) for(auto it=(c).begin(); it!=c.end(); ++it)\n\n\n\ntypedef vector<int> vi;\n\ntypedef map<int, int> mii;\n\n\n\nint const score[] = { 0, 0, 60, 70, 80 };\n\nint eval(int n){\n\n int s = 0;\n\n rep(i, 5){\n\n s += score[n & 7];\n\n n >>= 3;\n\n }\n\n return s;\n\n}\n\n\n\nint flip(int n, int f){\n\n f <<= 2;\n\n int r = 0;\n\n rep(i, 5){\n\n int t = n >> (i * 3) & 7;\n\n if (t){\n\n int c = (f >> (i * 2) & 3) + (f >> (i * 2 + 2) & 3);\n\n t = ((t - 1 + c) & 3) + 1;\n\n }\n\n r |= t << (i * 3);\n\n }\n\n return r;\n\n}\n\n\n\nint solve(vi const& v){\n\n mii prev;\n\n prev[v[0]] = eval(v[0]);\n\n rep(i, 4){\n\n mii next;\n\n iter(it, prev){\n\n int bef = eval(it->first);\n\n rep(f, 1 << 8){\n\n int aft = flip(it->first, f);\n\n int suc = flip(v[i + 1], f);\n\n int e = it->second - bef + eval(aft) + eval(suc);\n\n int x = eval(aft);\n\n int y = eval(suc);\n\n if (e % 10 != 0){\n\n continue;\n\n }\n\n next[suc] = max(next[suc], e);\n\n }\n\n }\n\n swap(prev, next);\n\n\n\n /*\n\n iter(it, prev){\n\n cout << bitset<15>(it->first) << \" \" << it->second << endl;\n\n }\n\n cout << endl;\n\n */\n\n }\n\n\n\n int ans = 0;\n\n iter(it, prev) ans = max(it->second, ans);\n\n return ans;\n\n}\n\n\n\nint main(){\n\n int n; cin >> n;\n\n while (n--){\n\n vi v(5);\n\n rep(i, 5){\n\n rep(j, 5){\n\n int t = 0; cin >> t;\n\n v[i] <<= 3;\n\n v[i] |= t;\n\n }\n\n }\n\n cout << solve(v) << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003247"}220{"label": "pie_cpp_test_003248", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 240, "hidden_test_count": 1, "problem_id": "p01338", "reference_metric": "runtime_cpu_ns", "reference_value": 240, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003248.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003248", "task_path": "tasks/test/pie_cpp_test_003248.json", "visible_test_count": 1}, "problem_id": "p01338", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n\n1 1 0 3 3\n1 1 0 3 3\n0 0 0 0 0\n2 2 0 4 4\n2 2 0 4 4\n\n1 1 1 0 0\n1 1 1 1 0\n1 0 1 1 0\n0 0 1 1 1\n1 1 1 1 1\n\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n0 0 0 0 0\n\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n3 4 3 4 3\n4 3 4 3 4\n\n2 2 2 2 2\n0 0 0 2 0\n2 2 0 2 0\n2 2 0 2 0\n0 0 0 2 0\n\nExpected output:\n1280\n1420\n0\n1920\n1020\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<vector>\n\n#include<stack>\n\n#include<map>\n\n#include<set>\n\n#include<queue>\n\n#include<cstdio>\n\n#include<climits>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<string>\n\n#include<sstream>\n\n#include<numeric>\n\n#include<cassert>\n\n#include<complex>\n\n\n\n#define f first\n\n#define s second\n\n#define mp make_pair\n\n\n\n#define REP(i,n) for(int i=0; i<(int)(n); i++)\n\n#define rep(i,s,n) for(int i=(s); i<(int)(n); i++)\n\n#define FOR(i,c) for(__typeof((c).begin()) i=(c).begin(); i!=(c).end(); i++)\n\n#define ALL(c) (c).begin(), (c).end()\n\n#define IN(x,s,g) ((x) >= (s) && (x) < (g))\n\n#define ISIN(x,y,w,h) (IN((x),0,(w)) && IN((y),0,(h)))\n\n#define print(x) printf(\"%d\\n\",x)\n\n#define EPS (1e-4)\n\n\n\nusing namespace std;\n\n\n\ntypedef unsigned int uint;\n\ntypedef long long ll;\n\n\n\nconst int _dx[] = {0,1,0,-1};\n\nconst int _dy[] = {-1,0,1,0};\n\n\n\nint getInt(){\n\n int ret = 0,c;\n\n c = getchar();\n\n while(!isdigit(c)) c = getchar();\n\n while(isdigit(c)){\n\n ret *= 10;\n\n ret += c - '0';\n\n c = getchar();\n\n }\n\n return ret;\n\n}\n\n\n\n#define HASH(x) (x[0] + x[1]*4 + x[2]*16 + x[3]*64)\n\n\n\nint dp[200][4][256];\n\nint rev[4][4];\n\nint board[5][5];\n\n\n\nint ten[4] = { 0,60,70,80 };\n\nint nn;\n\n\n\nint solve(int now, int h){\n\n if(dp[nn][now][h] != -1) return dp[nn][now][h];\n\n int ret = 0;\n\n int *x = rev[now];\n\n\n\n for(x[0]=0;x[0]<4;x[0]++){\n\n for(x[1]=0;x[1]<4;x[1]++){\n\n for(x[2]=0;x[2]<4;x[2]++){\n\n for(x[3]=0;x[3]<4;x[3]++){\n\n int point = 0;\n\n REP(i,5){\n\n int p = board[now][i];\n\n if(p == 0) continue;\n\n p = p - 1;\n\n if(now != 0){\n\n if(i != 4) p += rev[now-1][i];\n\n if(i != 0) p += rev[now-1][i-1];\n\n }\n\n if(i != 4) p += rev[now][i];\n\n if(i != 0) p += rev[now][i-1];\n\n p = p % 4;\n\n point += ten[p];\n\n }\n\n\n\n if(now == 3){\n\n REP(i,5){\n\n int p = board[now+1][i];\n\n if(p == 0) continue;\n\n p = p - 1;\n\n if(i != 4) p += rev[now][i];\n\n if(i != 0) p += rev[now][i-1];\n\n p = p % 4;\n\n point += ten[p];\n\n }\n\n ret = max(ret, point);\n\n }else{\n\n int hash = HASH(x);\n\n ret = max(ret, point + solve(now+1,hash));\n\n }\n\n }\n\n }\n\n }\n\n }\n\n return dp[nn][now][h] = ret;\n\n}\n\n\n\nint main(){\n\n int n = getInt();\n\n memset(dp, -1, sizeof(dp));\n\n for(nn = 0; nn < n; nn++){\n\n REP(i,5) REP(j,5) board[i][j] = getInt();\n\n print(solve(0,0));\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003248"}221{"label": "pie_cpp_test_003462", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 28, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 28, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003462.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003462", "task_path": "tasks/test/pie_cpp_test_003462.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#pragma comment(linker, \"/STACK:64777216\")\n\n#define _CRT_SECURE_NO_WARNINGS\n\n#include <string>\n\n#include <vector>\n\n#include <map>\n\n#include <list>\n\n#include <iterator>\n\n#include <set>\n\n#include <queue>\n\n#include <iostream>\n\n#include <sstream>\n\n#include <stack>\n\n#include <deque>\n\n#include <cmath>\n\n#include <memory.h>\n\n#include <cstdlib>\n\n#include <stdio.h>\n\n#include <cctype>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <cassert>\n\n#include <complex>\n\n#include <time.h>\n\nusing namespace std;\n\n\n\n#define FOR(i,a,b) for (int i = (a); i < (b); i++)\n\n#define RFOR(i,b,a) for (int i = (b) - 1; i >= (a); i--)\n\n#define ITER(it, a) for (__typeof(a.begin()) it = a.begin(); it != a.end(); it++)\n\n#define FILL(a, value) memset(a, value, sizeof(a))\n\n\n\n#define SZ(a) (int)a.size()\n\n#define ALL(a) a.begin(), a.end()\n\n#define MP make_pair\n\n#define PB push_back\n\n\n\ntypedef long long Int;\n\ntypedef vector<int> VI;\n\ntypedef pair<int, int> PII;\n\n\n\nconst double PI = acos(-1.0);\n\nconst int INF = 1000 * 1000 * 1000 + 7;\n\n\n\nconst int MAX = 512;\n\nconst int CNT = 17;\n\n\n\nint n, h, c0, c1, bal, e;\n\nVI G[MAX];\n\nVI GG[MAX];\n\nint D[MAX];\n\nint U[MAX];\n\n\n\nint getNext(int a, int b)\n\n{\n\n\treturn (a == 0 ? b : h + a);\n\n}\n\n\n\nint getPrev(int a, int b)\n\n{\n\n\treturn (a == 0 ? h + b : a);\n\n}\n\n\n\nvoid nope()\n\n{\n\n\tcout << \"NO\" << endl;\n\n\texit(0);\n\n}\n\n\n\nvoid dfs(int v)\n\n{\n\n\tU[v] = 1;\n\n\tif (v < h)\n\n\t{\n\n\t\t++ c0;\n\n\t\tbal -= D[v];\n\n\t}\n\n\tif (v >= h)\n\n\t\t++ c1;\n\n\n\n\tFOR (i,0,SZ(GG[v]))\n\n\t{\n\n\t\tint to = GG[v][i];\n\n\t\tif (U[to] == 0)\n\n\t\t\tdfs(to);\n\n\t\t++ e;\n\n\t}\n\n}\n\n\n\nint main()\n\n{\n\n\t//freopen(\"in.txt\", \"r\", stdin);\n\n\n\n\tcin >> n >> h;\n\n\t++ h;\n\n\n\n\tFOR (i,0,n)\n\n\t{\n\n\t\tint a, b, c, d;\n\n\t\tscanf(\"%d %d %d %d\", &a, &b, &c, &d);\n\n\t\tint u = getPrev(c, a);\n\n\t\tint v = getNext(d, b);\n\n\t\tG[u].PB(v);\n\n\t\tGG[u].PB(v);\n\n\t\tGG[v].PB(u);\n\n\t\t++ D[u];\n\n\t\t-- D[v];\n\n\t}\n\n\n\n\n\n\tFOR (i,0,h)\n\n\t\tif (D[i] > 0)\n\n\t\t\tnope();\n\n\n\n\tFOR (i,h,2*h)\n\n\t\tif (D[i] < 0)\n\n\t\t\tnope();\n\n\n\n\tint cnt = 0, alone = 0, bal0 = 0;\n\n\tFOR (i,0,2*h)\n\n\t{\n\n\t\tif (U[i]) continue;\n\n\t\tc0 = 0, c1 = 0, bal = 0, e = 0;\n\n\t\tdfs(i);\n\n\t\tif (e == 0) continue;\n\n\n\n\t\t++ cnt;\n\n\t\tif (c0 == 0 || c1 == 0)\n\n\t\t\t++ alone;\n\n\t\tif (bal == 0)\n\n\t\t\t++ bal0;\n\n\t}\n\n\n\n\tif (alone > 0)\n\n\t\tnope();\n\n\n\n\tif (bal0 >0)\n\n\t\tnope();\n\n\n\n\tif (bal0 == 1 && cnt > 1)\n\n\t\tnope();\n\n\n\n\tcout << \"YES\" << endl;\n\n\n\n\n\n\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003462"}222{"label": "pie_cpp_test_003463", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 23, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 23, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003463.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003463", "task_path": "tasks/test/pie_cpp_test_003463.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<iostream>\n\n#include<algorithm>\n\nusing namespace std;\n\nconst int MAXN=100233,MAXH=205;\n\nint n,h,in[MAXH<<1],out[MAXH<<1];\n\nint fa[MAXH<<1];\n\nbool ok[MAXH<<1];\n\nint get(int x) {\n\n\treturn x==fa[x]?x:fa[x]=get(fa[x]);\n\n}\n\nint main() {\n\n\tscanf(\"%d%d\",&n,&h);\n\n\tfor(int i=1;i<=2*h;i++) fa[i]=i;\n\n\tfor(int i=1;i<=n;i++) {\n\n\t\tint a,b,c,d; scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n\t\tint x=c?h+c:a,y=d?d:h+b;\n\n\t\t++out[x],++in[y];\n\n\t\tint fx=get(x),fy=get(y);\n\n\t\tif(fx!=fy) fa[fx]=fy;\n\n\t}\n\n\tfor(int i=1;i<=h;i++)\n\n\t\tif(in[i]>out[i]) return puts(\"NO\"),0;\n\n\tfor(int i=h+1;i<=2*h;i++)\n\n\t\tif(in[i]<out[i]) return puts(\"NO\"),0;\n\n\tfor(int i=1;i<=2*h;i++)\n\n\t\tif(in[i]!=out[i]) ok[get(i)]=1;\n\n\tfor(int i=1;i<=2*h;i++)\n\n\t\tif(fa[i]==i&&(in[i]||out[i])&&!ok[i])\n\n\t\t\treturn puts(\"NO\"),0;\n\n\treturn puts(\"YES\"),0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003463"}223{"label": "pie_cpp_test_003464", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 27, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 27, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003464.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003464", "task_path": "tasks/test/pie_cpp_test_003464.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint fa[1010],num[1010];\n\nbool go[1010],bo[1010];\n\nint getf(int s){if (fa[s]==s) return s;return fa[s]=getf(fa[s]);}\n\nint main()\n\n{\n\n\tint n;scanf(\"%d%*d\",&n);\n\n\tfor (int i=1;i<=1000;i++) fa[i]=i;\n\n\tfor (int i=1;i<=n;i++)\n\n\t{\n\n\t\tint a,b,c,d;scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n\t\tif (c==0) c=a+500;else c=500-c;\n\n\t\tif (d==0) d=500-b;else d=d+500;\n\n\t\tfa[getf(c)]=getf(d);\n\n\t\tnum[c]++;num[d]--;bo[c]=true;\n\n\t}\n\n\tfor (int i=1;i<500;i++) if (num[i]>0) {puts(\"NO\");return 0;}\n\n\tfor (int i=501;i<1000;i++) if (num[i]<0) {puts(\"NO\");return 0;}\n\n\tfor (int i=1;i<1000;i++)\n\n\t{\n\n\t\tbo[getf(i)]|=bo[i];\n\n\t\tgo[getf(i)]|=(num[i]!=0);\n\n\t}\n\n\tfor (int i=1;i<1000;i++) if ((fa[i]==i)&&(bo[i])&&(!go[i])) {puts(\"NO\");return 0;}\n\n\tputs(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003464"}224{"label": "pie_cpp_test_003465", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003465.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003465", "task_path": "tasks/test/pie_cpp_test_003465.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint n, cnt[1005], in[1005], out[1005], par[1005], ta, tb, tc, td;\n\nbool o[1005];\n\n\n\nint find(int a) {\n\n\tif (par[a] == a)\n\n\t\treturn a;\n\n\treturn par[a] = find(par[a]);\n\n}\n\n\n\nint main() {\n\n\tscanf(\"%d%d\", &n, &ta);\n\n\tfor (int i = 0; i < 1005; i++)\n\n\t\tpar[i] = i;\n\n\twhile (n--) {\n\n\t\tscanf(\"%d%d%d%d\", &ta, &tb, &tc, &td);\n\n\t\tif (tc == 0)\n\n\t\t\tta = 500 + ta;\n\n\t\telse\n\n\t\t\tta = 500 - tc;\n\n\t\tif (td == 0)\n\n\t\t\ttb = 500 - tb;\n\n\t\telse\n\n\t\t\ttb = 500 + td;\n\n\t\tif (find(ta) != find(tb))\n\n\t\t\tpar[par[ta]] = par[tb];\n\n\t\tout[ta]++;\n\n\t\tin[tb]++;\n\n\t}\n\n\tfor (int i = 0; i < 1005; i++)\n\n\t\tif (in[i] * out[i] == 0 || in[i] != out[i])\n\n\t\t\to[i] = o[find(i)] = 1;\n\n\tfor (int i = 0; i < 1005; i++)\n\n\t\tif ((i > 500 && out[i] < in[i]) || (i < 500 && out[i] > in[i]) || !o[find(i)]) {\n\n\t\t\tprintf(\"NO\\n\");\n\n\t\t\treturn 0;\n\n\t\t}\n\n\tprintf(\"YES\\n\");\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003465"}225{"label": "pie_cpp_test_003466", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003466.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003466", "task_path": "tasks/test/pie_cpp_test_003466.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#define no return cout << \"NO\\n\", 0\n\nusing namespace std;\n\nconst int H = 405;\n\nint f[H], d[H];\n\nbool b[H], c[H];\n\nint getf(int x)\n\n{\n\n\treturn f[x] == x ? x : f[x] = getf(f[x]);\n\n}\n\nint main()\n\n{\n\n\tios::sync_with_stdio(false);\n\n\tint n, h;\n\n\tcin >> n >> h;\n\n\tfor (int i = 0; i <= 2 * h; i++)\n\n\t\tf[i] = i;\n\n\twhile (n--)\n\n\t{\n\n\t\tint a, b, c, d;\n\n\t\tcin >> a >> b >> c >> d;\n\n\t\tint x = (c ? -c : a) + h, y = (d ? d : -b) + h;\n\n\t\tf[getf(x)] = getf(y);\n\n\t\t::d[x]++;\n\n\t\t::d[y]--;\n\n\t\t::b[x] = true;\n\n\t}\n\n\tfor (int i = 0; i < h; i++)\n\n\t\tif (d[i] > 0)\n\n\t\t\tno;\n\n\tfor (int i = h + 1; i <= 2 * h; i++)\n\n\t\tif (d[i] < 0)\n\n\t\t\tno;\n\n\tfor (int i = 0; i <= 2 * h; i++)\n\n\t{\n\n\t\tb[getf(i)] |= b[i];\n\n\t\tif (d[i])\n\n\t\t\tc[f[i]] = true;\n\n\t}\n\n\tfor (int i = 0; i <= 2 * h; i++)\n\n\t\tif (f[i] == i && !c[i] && b[i])\n\n\t\t\tno;\n\n\tcout << \"YES\\n\";\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003466"}226{"label": "pie_cpp_test_003467", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 34, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 34, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003467.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003467", "task_path": "tasks/test/pie_cpp_test_003467.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<stdio.h>\n\nusing namespace std;\n\nint n,m;\n\nint fa[2000003],vis[2000003],D[2000003],C[2000003];\n\ninline int find(int x){\n\n\tif(fa[x]==x){\n\n\t\treturn fa[x];\n\n\t}else{\n\n\t\treturn fa[x]=find(fa[x]);\n\n\t}\n\n}\n\nint main(){\n\n\tcin>>n>>m;\n\n for(int i=1;i<=1000;i++){\n\n \tfa[i]=i;\n\n\t}\n\n for(int i=1;i<=n;i++){\n\n int x,y,a,b,c,d;\n\n cin>>a>>b>>c>>d;\n\n x=!c?a+500:-c+500;\n\n y=!d?-b+500:d+500;\n\n fa[find(x)]=find(y);\n\n D[x]++,D[y]--;\n\n\t\tvis[x]=1;\n\n }\n\n int flag=1;\n\n for(int i=1;i<500;i++){\n\n \tif(D[i]>0){\n\n\t\t\tputs(\"NO\");\n\n \t\treturn 0;\n\n\t\t}\n\n\t}\n\n for(int i=501;i<=1000;i++){\n\n \tif(D[i]<0){\n\n \t\tputs(\"NO\");\n\n \t\treturn 0;\n\n\t\t}\n\n\t}\n\n for(int i=1;i<=1000;i++){\n\n \tvis[find(i)]|=vis[i];\n\n\t}\n\n for(int i=1;i<=1000;i++){\n\n\t\tif(D[i]!=0){\n\n\t\t\tC[find(i)]=1;\n\n\t\t}\n\n\t}\n\n for(int i=1;i<=1000;i++){\n\n \tif(fa[i]==i&&!C[i]&&vis[i]){\n\n \t\tputs(\"NO\");\n\n \t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout<<\"YES\"<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003467"}227{"label": "pie_cpp_test_003468", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 42, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 42, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003468.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003468", "task_path": "tasks/test/pie_cpp_test_003468.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<algorithm>\n\n#include<queue>\n\n#include<map>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define N 200002\n\nstruct edge{int to,nxxt;}e[N<<1];\n\nint n,H,a[N][4],head[N],cnt=1,b[N][2],f[N],rd[N],cd[N],ct[N];\n\nvector<int>v[N];\n\ninline void ins(int u,int v){e[cnt].to=v;e[cnt].nxxt=head[u];head[u]=cnt++;}\n\nint getroot(int t){return f[t]==-1?t:f[t]=getroot(f[t]);}\n\nint main()\n\n{\n\n scanf(\"%d%d\",&n,&H);\n\n memset(f,-1,sizeof(f));\n\n for(int i=1;i<=n;i++)\n\n {\n\n scanf(\"%d%d%d%d\",&a[i][0],&a[i][1],&a[i][2],&a[i][3]);\n\n int x,y;\n\n if(a[i][2]==0)x=a[i][0];else x=H+a[i][2];\n\n if(a[i][3]==0)y=H+a[i][1];else y=a[i][3];\n\n b[i][0]=x,b[i][1]=y;\n\n if(x==y)ct[x]++;\n\n ins(x,y),rd[y]++,cd[x]++;\n\n x=getroot(x);y=getroot(y);\n\n if(x^y)f[x]=y;\n\n }\n\n for(int i=1;i<=2*H;i++)v[getroot(i)].push_back(i);\n\n //for(int i=1;i<=2*H;i++)printf(\"%d \",getroot(i));puts(\"rt\");\n\n //for(int i=1;i<=2*H;i++)printf(\"%d \",cd[i]);puts(\"cd\");\n\n //for(int i=1;i<=2*H;i++)printf(\"%d \",rd[i]);puts(\"rd\");\n\n for(int i=1;i<=2*H;i++)\n\n {\n\n bool flag=false;\n\n if(v[i].size()==1){if(ct[v[i][0]]){puts(\"NO\");return 0;}}\n\n if(v[i].size()<=1)continue;\n\n //printf(\"%d:\",i);\n\n for(int j=0;j<v[i].size();j++)\n\n {\n\n int x=v[i][j];\n\n if(rd[x]^cd[x]){flag=true;break;}\n\n }//puts(\"\");\n\n if(!flag){puts(\"NO\");return 0;}\n\n }\n\n bool flag=true;\n\n for(int i=1;i<=H;i++)\n\n {\n\n if(cd[i]<rd[i]){flag=false;break;}\n\n }\n\n for(int i=H+1;i<=2*H;i++)\n\n {\n\n if(rd[i]<cd[i]){flag=false;break;}\n\n }\n\n if(flag)puts(\"YES\");else puts(\"NO\");\n\n}\n\n/*\n\n3 4\n\n1 1 0 0\n\n2 2 0 1\n\n3 3 1 0\n\n*/\n```", "split": "test", "task_id": "pie_cpp_test_003468"}228{"label": "pie_cpp_test_003469", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003469.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003469", "task_path": "tasks/test/pie_cpp_test_003469.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\n#define N 405\n\nint n, h, ins[N], out[N], bel[N];\n\nbool flg[N];\n\nint Getbel(int x){return bel[x] == x ? x : bel[x] = Getbel(bel[x]);}\n\nint main()\n\n{\n\n\tscanf(\"%d%d\", &n, &h);\n\n\tfor (int i = 1; i <= (h << 1); i++)\n\n\t\tbel[i] = i;\n\n\tfor (int i = 1; i <= n; i++)\n\n\t{\n\n\t\tint a, b, c, d;\n\n\t\tscanf(\"%d%d%d%d\", &a, &b, &c, &d);\n\n\t\tint x = c ? c + h : a, y = d ? d : b + h;\n\n\t\tout[x]++, ins[y]++;\n\n\t\tx = Getbel(x), y = Getbel(y);\n\n\t\tif (x != y)\n\n\t\t\tbel[x] = y;\n\n\t}\n\n\tfor (int i = 1; i <= h; i++)\n\n\t\tif (ins[i] > out[i])\n\n\t\t{\n\n\t\t\tputs(\"NO\");\n\n\t\t\treturn 0;\n\n\t\t}\n\n\tfor (int i = h + 1; i <= (h << 1); i++)\n\n\t\tif (ins[i] < out[i])\n\n\t\t{\n\n\t\t\tputs(\"NO\");\n\n\t\t\treturn 0;\n\n\t\t}\n\n\tfor (int i = 1; i <= (h << 1); i++)\n\n\t\tif (ins[i] != out[i] || (!ins[i] && !out[i]))\n\n\t\t\tflg[Getbel(i)] = 1;\n\n\tfor (int i = 1; i <= (h << 1); i++)\n\n\t{\n\n\t\tif (bel[i] == i && !flg[i])\n\n\t\t{\n\n\t\t\tputs(\"NO\");\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tputs(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003469"}229{"label": "pie_cpp_test_003470", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 29, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 29, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003470.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003470", "task_path": "tasks/test/pie_cpp_test_003470.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,a,b) for(int i=a;i<b;i++)\n\n#define fore(i,a) for(auto &i:a)\n\n#pragma GCC optimize (\"-O3\")\n\nusing namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }\n\n//---------------------------------------------------------------------------------------------------\n\nstruct UnionFind {vector<int> par, cnt;\n\n UnionFind(int NV) { par.clear(); cnt.resize(NV, 1); rep(i, 0, NV) par.push_back(i); }\n\n void reset() { rep(i, 0, cnt.size()) cnt[i] = 1; rep(i, 0, par.size()) par[i] = i; }\n\n int operator[](int x) { return par[x] == x ? x : par[x] = operator[](par[x]); }\n\n void operator()(int x, int y) {x = operator[](x); y = operator[](y);\n\n if (x != y) par[x] = y, cnt[y] += cnt[x];}};\n\n/*---------------------------------------------------------------------------------------------------\n\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000 \u2227\uff3f\u2227 \n\n\u3000\u3000\u3000\u3000\u3000 \u2227\uff3f\u2227 \u3000\uff08\u00b4<_\uff40 \uff09\u3000 Welcome to My Coding Space!\n\n\u3000\u3000\u3000\u3000 \uff08 \u00b4_\u309d`\uff09\u3000/\u3000 \u2312i \n\n\u3000\u3000\u3000\u3000\uff0f\u3000\u3000\u3000\uff3c\u3000 \u3000 |\u3000| \n\n\u3000\u3000\u3000 /\u3000\u3000 /\uffe3\uffe3\uffe3\uffe3/\u3000\u3000| \n\n\u3000 \uff3f_(__\uff86\u3064/\u3000 \uff3f/ .| .|\uff3f\uff3f\uff3f\uff3f \n\n\u3000 \u3000\u3000\u3000\uff3c/\uff3f\uff3f\uff3f\uff3f/\u3000\uff08u\u3000\u2283 \n\n---------------------------------------------------------------------------------------------------*/\n\n \n\n \n\n\n\n\n\n#define NO \"NO\"\n\n#define YES \"YES\"\n\nint N, H;\n\nvector<int> E[500];\n\nint in[505], ou[505];\n\nint used[505], ok[505];\n\n//---------------------------------------------------------------------------------------------------\n\nstring solve() {\n\n cin >> N >> H;\n\n UnionFind uf(505);\n\n rep(i, 0, N) {\n\n int a, b, c, d; cin >> a >> b >> c >> d;\n\n\n\n int L;\n\n if (0 < c) L = -c;\n\n else L = a;\n\n\n\n int R;\n\n if (0 < d) R = d;\n\n else R = -b;\n\n\n\n L += 250, R += 250;\n\n\n\n E[L].push_back(R);\n\n\n\n ou[L]++;\n\n in[R]++;\n\n\n\n used[L] = used[R] = 1;\n\n uf(L, R);\n\n\n\n //printf(\"[%d -> %d]\\n\", L - 250, R - 250);\n\n }\n\n\n\n rep(i, 0, 505) {\n\n int x = i - 250;\n\n\n\n if (0 < x) {\n\n if (ou[i] < in[i]) return NO;\n\n else if (ou[i] > in[i]) uf(500, i);\n\n }\n\n\n\n if (x < 0) {\n\n if (in[i] < ou[i]) return NO;\n\n else if (in[i] > ou[i]) uf(500, i);\n\n }\n\n }\n\n\n\n rep(i, 0, 505) if (used[i]) {\n\n if (uf[i] != uf[500]) return NO;\n\n }\n\n\n\n return YES;\n\n}\n\n//---------------------------------------------------------------------------------------------------\n\nvoid _main() {\n\n cout << solve() << endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003470"}230{"label": "pie_cpp_test_003471", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003471.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003471", "task_path": "tasks/test/pie_cpp_test_003471.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cctype>\n\n#include <algorithm>\n\n#define repu(i,x,y) for (int i=x; i<=y; ++i)\n\nusing namespace std;\n\n\n\nint n,h,deg[410],cnt,sum,gap[410],dis[410],s,t;\n\nbool flag[410];\n\nstruct edge\n\n{\n\n int v,f;\n\n edge *nxt,*rev;\n\n} pool[210000],*tp=pool,*fst[410],*cur[410];\n\n\n\nint getint()\n\n{\n\n char ch;\n\n while (!isdigit(ch=getchar()));\n\n int x=ch-'0';\n\n for (; isdigit(ch=getchar()); x=x*10+ch-'0');\n\n return x;\n\n}\n\n\n\nvoid addedge(int u,int v,int f)\n\n{\n\n ++deg[u],--deg[v];\n\n *tp=(edge){v,f,fst[u],tp+1},fst[u]=tp++;\n\n *tp=(edge){u,0,fst[v],tp-1},fst[v]=tp++;\n\n}\n\n\n\nint sap(int x,int flow)\n\n{\n\n if (x==t)\n\n return flow;\n\n int sum=0,f;\n\n for (edge *i=cur[x]; i; i=i->nxt)\n\n if (i->f && dis[i->v]+1==dis[x])\n\n {\n\n f=sap(i->v,min(flow-sum,i->f));\n\n i->f-=f,i->rev->f+=f,cur[x]=i;\n\n if ((sum+=f)==flow || dis[s]==t)\n\n return sum;\n\n }\n\n if (!--gap[dis[x]])\n\n dis[s]=t;\n\n ++gap[++dis[x]],cur[x]=fst[x];\n\n return sum;\n\n}\n\n\n\nvoid dfs(int x)\n\n{\n\n if (flag[x])\n\n return;\n\n flag[x]=1;\n\n for (edge *i=fst[x]; i; i=i->nxt)\n\n if (i->f)\n\n ++cnt,dfs(i->v);\n\n}\n\n\n\nbool check()\n\n{\n\n repu(i,1,n)\n\n {\n\n int a=getint(),b=getint(),c=getint(),d=getint();\n\n int u=c?c:h+a,v=d?h+d:b;\n\n addedge(u,v,1);\n\n }\n\n s=h*2+1,t=s+1;\n\n repu(i,h+1,h*2)\n\n if (deg[i]>0)\n\n dfs(i),sum+=deg[i];\n\n if (cnt<n)\n\n return 0;\n\n repu(i,1,h*2)\n\n {\n\n if (deg[i]>0)\n\n if (i>h)\n\n addedge(s,i,deg[i]);\n\n else\n\n return 0;\n\n if (deg[i]<0)\n\n if (i<=h)\n\n addedge(i,t,-deg[i]);\n\n else\n\n return 0;\n\n }\n\n gap[0]=t;\n\n repu(i,1,t)\n\n cur[i]=fst[i];\n\n for (; dis[s]<t; sum-=sap(s,1<<30));\n\n return !sum;\n\n}\n\n\n\nint main()\n\n{\n\n scanf(\"%d%d\",&n,&h);\n\n puts(check()?\"YES\":\"NO\");\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003471"}231{"label": "pie_cpp_test_003472", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 31, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 31, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003472.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003472", "task_path": "tasks/test/pie_cpp_test_003472.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#pragma comment(linker,\"/STACK:1000000000\")\n\n#include<iostream>\n\n#include<algorithm>\n\n#include<vector>\n\n#include<set>\n\nusing namespace std;\n\n\n\n#define sz(x) (int)(x.size())\n\n#define fi(a,b) for(int i=a;i<b;++i)\n\n#define fj(a,b) for(int j=a;j<b;++j)\n\n#define fo(a,b) for(int o=a;o<b;++o)\n\n#define pb push_back\n\n#define mp make_pair\n\ntypedef pair<int, int> pii;\n\n////////////////////\n\n\n\nint const N = 1e5 + 41;\n\nint const H = 241;\n\n\n\nint n, h, a[N], b[N], c[N], d[N];\n\nint d0[H][2], d1[H][2];\n\n\n\nvector<pii> e[H][2];\n\nvector<pii> st;\n\n\n\npii getfrom(int a, int c){\n\n\tif(c > 0) return mp(c, 0);\n\n\telse return mp(a, 1);\n\n}\n\n\n\npii getto(int b, int d){\n\n\tif(d > 0) return mp(d, 1);\n\n\telse return mp(b, 0);\n\n}\n\n\n\nbool dfs(pii x){\n\n\tst.pb(x);\n\n\tbool res;\n\n\tif(sz(e[x.first][x.second])){\n\n\t\tpii y = e[x.first][x.second].back();\n\n\t\te[x.first][x.second].pop_back();\n\n\t\t--d0[x.first][x.second];\n\n\t\t--d1[y.first][y.second];\n\n\t\tres = dfs(y);\n\n\t}else{\n\n\t\tif(x.second == 0){\n\n\t\t\tres = (x.second == 0 ? 1 : 0);\n\n\t\t}\n\n\t}\n\n\n\n\treturn res;\n\n}\n\n\n\nvoid dfs1(pii x){\n\n\tst.pb(x);\n\n\twhile(sz(e[x.first][x.second])){\n\n\t\tpii y = e[x.first][x.second].back();\n\n\t\t--d0[x.first][x.second];\n\n\t\t--d1[y.first][y.second];\n\n\t\te[x.first][x.second].pop_back();\n\n\t\tdfs1(y);\n\n\t}\n\n}\n\n\n\nvoid solve(){\n\n\tfi(0, n){\n\n\t\tpii x = getfrom(a[i], c[i]);\n\n\t\tpii y = getto(b[i], d[i]);\n\n\t\te[x.first][x.second].pb(y);\n\n\t\t++d0[x.first][x.second];\n\n\t\t++d1[y.first][y.second];\n\n\t}\n\n\tbool ok = true;\n\n\tfi(1, h+1){\n\n\t\tint k = d0[i][1] - d1[i][1];\n\n\t\tif(k < 0) ok = false;\n\n\t\tfj(0, k){\n\n\t\t\tok &= dfs(mp(i, 1));\n\n\t\t}\n\n\t}\n\n\tset<pii> t;\n\n\twhile(sz(st)){\n\n\t\tt.insert(st.back());\n\n\t\tst.pop_back();\n\n\t}\n\n\tfi(1, h+1) fj(0, 2){\n\n\t\tok &= (d0[i][j] == d1[i][j]);\n\n\t}\n\n\tfi(1, h+1) fj(0, 2){\n\n\t\tif(d0[i][j] == 0) continue;\n\n\t\tst.clear();\n\n\t\tdfs1(mp(i, j));\n\n\t\tbool f = false;\n\n\t\tfo(0, sz(st)){\n\n\t\t\tif(t.find(st[o]) != t.end()) f = true;\n\n\t\t}\n\n\t\tok &= f;\n\n\t}\n\n\t\n\n\tif(ok) printf(\"YES\\n\");\n\n\telse printf(\"NO\\n\");\n\n}\n\n\n\nint main(){\n\n#ifdef _DEBUG\n\n\tfreopen(\"input.txt\",\"r\",stdin);\n\n\tfreopen(\"output.txt\",\"w\",stdout);\n\n#endif\n\n\t\n\n\tscanf(\"%d %d\",&n,&h);\n\n\tfi(0, n) scanf(\"%d %d %d %d\",&a[i],&b[i],&c[i],&d[i]);\n\n\n\n\tsolve();\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003472"}232{"label": "pie_cpp_test_003473", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003473.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003473", "task_path": "tasks/test/pie_cpp_test_003473.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n//\u6b64\u7a0b\u5e8f\u4f7f\u7528\u4e86qt\u4e13\u5c5e\u540d\u79f0\uff0c\u8bf7\u52ff\u6a21\u4eff\u3002\u4fb5\u6743\u5fc5\u7a76\uff01\uff01\uff01\n\n//\u6211\u771f\u662f\u592a\u83dc\u4e86\u554a\u2026\u2026\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\nconst int N=410;\n\nint n,m,fa[N],in[N],out[N];\n\nbool v[N];\n\ninline int read()\n\n{\n\n\tint sum=0,flag=1; char c;\n\n\tfor(;c<'0'||c>'9';c=getchar()) if(c=='-') flag=-1;\n\n\tfor(;c>='0'&&c<='9';c=getchar()) sum=(sum<<3)+(sum<<1)+c-'0';\n\n\treturn sum*flag;\n\n}\n\ninline int getfa(int x)\n\n{\n\n\tif(fa[x]^x) fa[x]=getfa(fa[x]);\n\n\treturn fa[x];\n\n}\n\nint main()\n\n{\n\n\tn=read(),m=read();\n\n\tfor(int i=1;i<=m*2;++i) fa[i]=i;\n\n\tfor(int i=1;i<=n;++i)\n\n\t{\n\n\t\tint a=read(),b=read(),c=read(),d=read(),x,y;\n\n\t\tif(c) x=m-c; else x=m+a;\n\n\t\tif(d) y=m+d; else y=m-b;\n\n\t\t++in[y],++out[x];\n\n\t\tfa[getfa(x)]=getfa(y);\n\n\t}\n\n\tfor(int i=1;i<=m;++i) if(in[i]<out[i]) {puts(\"NO\"); return 0;}\n\n\tfor(int i=m+1;i<=m*2;++i) if(in[i]>out[i]) {puts(\"NO\"); return 0;}\n\n\tfor(int i=1;i<=m*2;++i) v[getfa(i)]|=(in[i]^out[i])||(in[i]==0&&out[i]==0);\n\n\tfor(int i=1;i<=m*2;++i) if((fa[i]==i)&&(!v[i])&&(i^m)) {puts(\"NO\"); return 0;}\n\n\tputs(\"YES\"); return 0; \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003473"}233{"label": "pie_cpp_test_003474", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 27, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 27, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003474.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003474", "task_path": "tasks/test/pie_cpp_test_003474.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rg register int\n\n#define rep(i,a,b) for(rg i=(a);i<=(b);++i)\n\n#define per(i,a,b) for(rg i=(a);i>=(b);--i)\n\nconst int maxn = 512;\n\nconst int zero = 250;\n\nint fa[maxn],siz[maxn],oud[maxn],ind[maxn];bool h[maxn];\n\nint find(int x){return fa[x]==x?x:fa[x]=find(fa[x]);}\n\ninline void Union(int x,int y){\n\n x=find(x);y=find(y);if(x==y){++siz[x];return;}\n\n fa[x]=y;siz[y]+=siz[x]+1;\n\n}\n\nint main(){\n\n\tios::sync_with_stdio(false);\n\n int n,H;cin>>n>>H;\n\n rep(i,1,H) fa[i+zero]=i+zero,siz[i+zero]=1;\n\n rep(i,-H,-1)fa[i+zero]=i+zero,siz[i+zero]=1;\n\n int a,b,c,d;rep(i,1,n){\n\n int x,y;cin>>a>>b>>c>>d;\n\n if(c == 0)x=a;else x=-c;if(d == 0)y=-b;else y=d;\n\n ++oud[x+zero];++ind[y+zero];Union(x+zero,y+zero);\n\n }rep(i,1,H)\tif(oud[i+zero]<ind[i+zero])return puts(\"NO\"),0;\n\n rep(i,-H,-1)if(ind[i+zero]<oud[i+zero])return puts(\"NO\"),0;\n\n rep(i,1,H) h[find(i+zero)]|=(ind[i+zero]!=oud[i+zero]);\n\n rep(i,-H,-1)h[find(i+zero)]|=(ind[i+zero]!=oud[i+zero]);\n\n rep(i,1,H) if(siz[find(i+zero)]>1&&(find(i+zero) == i+zero)&&(h[i+zero]==false))return puts(\"NO\"),0;\n\n rep(i,-H,-1)if(siz[find(i+zero)]>1&&(find(i+zero) == i+zero)&&(h[i+zero]==false))return puts(\"NO\"),0;\n\n puts(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003474"}234{"label": "pie_cpp_test_003475", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003475.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003475", "task_path": "tasks/test/pie_cpp_test_003475.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\nusing namespace std;\n\nint in[402],fa[402];\n\nbool vis[402],qwq[402];\n\nint h;\n\nint getf(int x){\n\n\treturn fa[x]==x?x:fa[x]=getf(fa[x]);\n\n}\n\nvoid add(int l,int r){\n\n\tl+=h;\n\n\tr+=h;\n\n\tin[r]++;\n\n\tin[l]--;\n\n\tqwq[l]=qwq[r]=1;\n\n\tint x=getf(l),y=getf(r);\n\n\tfa[x]=y;\n\n}\n\nint main(){\n\n\tint n;\n\n\tscanf(\"%d%d\",&n,&h);\n\n\tfor(int i=0;i<=2*h;i++)\n\n\t\tfa[i]=i;\n\n\twhile(n--){\n\n\t\tint a,b,c,d;\n\n\t\tscanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n\t\tadd(c?-c:a,d?d:-b);\n\n\t}\n\n\tfor(int i=0;i<h;i++)\n\n\t\tif (in[i]<0)\n\n\t\t\treturn puts(\"NO\"),0;\n\n\tfor(int i=h+1;i<=2*h;i++)\n\n\t\tif (in[i]>0)\n\n\t\t\treturn puts(\"NO\"),0;\n\n\t//puts(\"WTF\");\n\n\tfor(int i=0;i<=2*h;i++)\n\n\t\tif (in[i])\n\n\t\t\tvis[getf(i)]=1;\n\n\t//puts(\"WTF\");\n\n\tfor(int i=0;i<=2*h;i++)\n\n\t\tif (qwq[i] && !vis[getf(i)])\n\n\t\t\treturn puts(\"NO\"),0;\n\n\tputs(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003475"}235{"label": "pie_cpp_test_003476", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003476.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003476", "task_path": "tasks/test/pie_cpp_test_003476.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define FOR(i,a,b) for (int i = (a); i < (b); i++)\n\n#define RFOR(i,b,a) for (int i = (b) - 1; i >= (a); i--)\n\n#define ITER(it,a) for (__typeof(a.begin()) it = a.begin(); it != a.end(); it++)\n\n#define FILL(a,value) memset(a, value, sizeof(a))\n\n\n\n#define SZ(a) (int)a.size()\n\n#define ALL(a) a.begin(), a.end()\n\n#define PB push_back\n\n#define MP make_pair\n\n\n\ntypedef long long LL;\n\ntypedef vector<int> VI;\n\ntypedef pair<int, int> PII;\n\n\n\nconst double PI = acos(-1.0);\n\nconst int INF = 1000 * 1000 * 1000 + 7;\n\nconst LL LINF = INF * (LL) INF;\n\n\n\nconst int MAX = 1010;\n\n\n\nVI g[MAX];\n\nint IN[MAX];\n\nint OUT[MAX];\n\nbool U[MAX];\n\n\n\nint L, R;\n\n\n\nvoid no()\n\n{\n\n\tcout<<\"NO\"<<endl;\n\n\texit(0);\n\n}\n\n\n\nvoid dfs(int x)\n\n{\n\n\tU[x] = true;\n\n\n\n\tif (x & 1)\n\n\t{\n\n\t\tif (IN[x] > OUT[x]) no();\n\n\t\tR += IN[x] - OUT[x];\n\n\t}\n\n\telse\n\n\t{\n\n\t\tif (OUT[x] > IN[x]) no();\n\n\t\tL += OUT[x] - IN[x];\n\n\t}\n\n\n\n\tFOR (i, 0, SZ(g[x]))\n\n\t{\n\n\t\tint to = g[x][i];\n\n\t\tif (U[to]) continue;\n\n\t\tdfs(to);\n\n\t}\n\n}\n\n\n\nint main()\n\n{\n\n\t//freopen(\"in.txt\", \"r\", stdin);\n\n\t//ios::sync_with_stdio(false); cin.tie(0);\n\n\n\n\tint n, m;\n\n\tscanf(\"%d%d\", &n, &m);\n\n\tFOR (i, 0, n)\n\n\t{\n\n\t\tint a, b, c, d;\n\n\t\tscanf(\"%d%d%d%d\", &a, &b, &c, &d);\n\n\n\n\t\tint x, y;\n\n\t\tif (d == 0) y = b * 2;\n\n\t\telse y = d * 2 + 1;\n\n\n\n\t\tif (c == 0) x = a * 2 + 1;\n\n\t\telse x = c * 2;\n\n\n\n\t//\tcout<<x<<' '<<y<<endl;\n\n\t//\tcout<<a<<' '<<b<<' '<<c<<' '<<d<<endl;\n\n\n\n\t\tg[x].PB(y);\n\n\t\tg[y].PB(x);\n\n\t\tOUT[x]++;\n\n\t\tIN[y]++;\n\n\t}\n\n\n\n\tint c1 = 0, c2 = 0;\n\n\tFOR (i, 0, MAX)\n\n\t{\n\n\t\tif (U[i]) continue;\n\n\t\tif (SZ(g[i]) == 0) continue;\n\n\t\tL = R = 0;\n\n\n\n\t\tdfs(i);\n\n\n\n\t\tc1++;\n\n\t\tif (L == 0) c2++;\n\n\t}\n\n\t//cout<<\"*\"<<endl;\n\n\tif (c2) no();\n\n\tcout<<\"YES\"<<endl;\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003476"}236{"label": "pie_cpp_test_003477", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 19, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 19, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003477.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003477", "task_path": "tasks/test/pie_cpp_test_003477.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <vector>\n\nusing std::vector;\n\n\n\n#define MAXN 100005\n\n#define MAXH 405\n\nint indeg[MAXH],outdeg[MAXH];\n\nbool vis[MAXH];\n\nvector<int> G[MAXH];\n\n\n\nvoid add_edge(int u,int v)\n\n{\n\n outdeg[u]++;indeg[v]++;\n\n G[u].push_back(v);G[v].push_back(u);\n\n}\n\n\n\nbool dfs(int v)\n\n{\n\n bool f=indeg[v]!=outdeg[v];\n\n vis[v]=true;\n\n for(auto to:G[v])\n\n {\n\n if(!vis[to]) \n\n f|=dfs(to);\n\n }\n\n return f;\n\n}\n\n\n\nint main()\n\n{\n\n int N,H;\n\n int a[MAXN],b[MAXN],c[MAXN],d[MAXN];\n\n scanf(\"%d%d\",&N,&H);\n\n for(int i=1;i<=N;i++) \n\n {\n\n scanf(\"%d%d%d%d\",&a[i],&b[i],&c[i],&d[i]);\n\n int l,r;\n\n l= ( c[i]==0 ? a[i] : -c[i] );\n\n r= ( d[i]==0 ? -b[i] : d[i] );\n\n add_edge(l+H,r+H);\n\n }\n\n\n\n bool flag=true;\n\n for(int i=0;flag && i<=H;i++) \n\n {\n\n if(outdeg[i]>indeg[i]) \n\n flag=false;\n\n }\n\n for(int i=H+1;flag && i<=2*H;i++)\n\n {\n\n if(indeg[i]>outdeg[i]) \n\n flag=false;\n\n }\n\n\n\n memset(vis,false,sizeof(vis));\n\n for(int i=0;flag && i<=2*H;i++)\n\n {\n\n if((indeg[i]||outdeg[i])&&!vis[i]) \n\n flag &=dfs(i);\n\n }\n\n\n\n if(flag) \n\n {\n\n printf(\"YES\\n\"); \n\n }\n\n else\n\n { \n\n printf(\"NO\\n\");\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003477"}237{"label": "pie_cpp_test_003478", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 21, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 21, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003478.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003478", "task_path": "tasks/test/pie_cpp_test_003478.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#define retrun return\n\n#define cpnst const\n\nint CT[444][444],DEG[444],SZ[444],Lm=401;\n\nclass UFS\n\n{\n\n\tint Fa[1111];\n\n\tpublic:\n\n\tvoid init(){for(register int i=1;i<=1000;i++)Fa[i]=i;}\n\n\tint rt(int x){return Fa[x]^x?Fa[x]=rt(Fa[x]):x;}\n\n\tbool merge(int x,int y){return x=rt(x),y=rt(y),Fa[x]=y,x^y;}\n\n}U;\n\nvoid rd()\n\n{\n\n\tint a,b,c,d;\n\n\tscanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n\tif(c)a=-c;if(d)b=d;else b=-b;\n\n\tU.merge(a+201,b+201),CT[a+201][b+201]++,\n\n\tDEG[a+201]++,DEG[b+201]--,SZ[a+201]++,SZ[b+201]++;\n\n}\n\nint UNB[11111];\n\nvoid cover(int x)\n\n{UNB[U.rt(x)]=1;}\n\nint main()\n\n{\n\n\tregister int i;\n\n\tint n;\n\n\tscanf(\"%d%*d\",&n),U.init();\n\n\tfor(i=1;i<=n;i++)rd();\n\n\tfor(i=-200;i<=200;i++)\n\n\t{\n\n\t\tif(i<0&&DEG[i+201]>0)return puts(\"NO\"),0;\n\n\t\tif(i>0&&DEG[i+201]<0)return puts(\"NO\"),0;\n\n\t}for(i=1;i<=Lm;i++)\n\n\t\tif(DEG[i])cover(i);\n\n\tfor(i=1;i<=Lm;i++)\n\n\t\tif(SZ[i])\n\n\t\t\tif(!UNB[U.rt(i)])return puts(\"NO\"),0;\n\n\tputs(\"YES\");\n\n}\n\n/*\n\nJust go for it.\n\n*/\n```", "split": "test", "task_id": "pie_cpp_test_003478"}238{"label": "pie_cpp_test_003479", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 42, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 42, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003479.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003479", "task_path": "tasks/test/pie_cpp_test_003479.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define ll long long\n\n#define cri const register int\n\n#define re register\n\n#define END return puts(\"NO\"),0;\n\nusing namespace std;\n\nint in[410],out[410],f[410],n,H,c[410],v[410];\n\nint getf(cri x){ return f[x]==x?x:f[x]=getf(f[x]); }\n\nint main(){\n\n\tcin>>n>>H;\n\n\tfor(int i=1;i<=H+H;i++) f[i]=i;\n\n\tfor(int i=1,a,b,c,d,L,R;i<=n;i++){\n\n\t\tcin>>a>>b>>c>>d;\n\n\t\tif(c) L=-c;else L=a;\n\n\t\tif(d) R=d;else R=-b;\n\n\t\tL+=H;R+=H;v[L]=v[R]=1;\n\n\t\tin[R]++;out[L]++;\n\n\t\tf[getf(L)]=getf(R);\n\n\t}\n\n\tfor(int i=1;i<=H;i++) if(in[i]<out[i]) END;\n\n\tfor(int i=H+1;i<=H+H;i++) if(in[i]>out[i]) END;\n\n\tfor(int i=1;i<=H+H;i++) c[getf(i)]|=in[i]!=out[i];\n\n\tfor(int i=1;i<=H+H;i++) if(v[i]&&!c[getf(i)]) END;\n\n\tputs(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003479"}239{"label": "pie_cpp_test_003480", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 24, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 24, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003480.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003480", "task_path": "tasks/test/pie_cpp_test_003480.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nconst int MaxN=100010,MaxH=210;\n\nint N,H;\n\nstruct edge{int to;edge*next;}E[MaxN*2],*ne=E,*fir[MaxH*2];\n\nvoid link(int u,int v){*ne=(edge){v,fir[u]};fir[u]=ne++;}\n\nint deg[MaxH*2],Q[MaxH*2];\n\nbool vis[MaxH*2];\n\nint main(){\n\n\tscanf(\"%d%d\",&N,&H);\n\n\tfor(int i=0;i<N;i++){\n\n\t\tint A,B,C,D;\n\n\t\tscanf(\"%d%d%d%d\",&A,&B,&C,&D);\n\n\t\tA=C?C+H:A;\n\n\t\tB=D?D:B+H;\n\n\t\tlink(A,B);link(B,A);\n\n\t\tdeg[A]++;deg[B]--;\n\n\t}\n\n\tfor(int i=1;i<=H*2;i++)if(!vis[i]&&fir[i]){\n\n\t\tbool fl=1,ex=0;\n\n\t\tint*h=Q,*t=Q;\n\n\t\tvis[*t++=i]=1;\n\n\t\tfor(;h<t;h++){\n\n\t\t\tif(*h<=H&°[*h])ex=1,deg[*h]<0?fl=0:1;\n\n\t\t\tif(*h>H&°[*h])ex=1,deg[*h]>0?fl=0:1;\n\n\t\t\tfor(edge*e=fir[*h];e;e=e->next)\n\n\t\t\t\tif(!vis[e->to])vis[*t++=e->to]=1;\n\n\t\t}\n\n\t\tif(!fl||!ex)return puts(\"NO\"),0;\n\n\t}\n\n\tputs(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003480"}240{"label": "pie_cpp_test_003481", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003481.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003481", "task_path": "tasks/test/pie_cpp_test_003481.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\nconst int Q=1<<20;\n\nint fa[Q];\n\nint in[Q],out[Q];\n\nint gf(int x)\n\n{return fa[x]==x?x:(fa[x]=gf(fa[x]));}\n\nvoid ins(int x,int y)\n\n{\n\n out[x]++;\n\n in[y]++;\n\n int fx=gf(x),fy=gf(y);\n\n if(fx!=fy)fa[fx]=fy;\n\n}\n\n// int Idiot_Sap(int x,int flow)\n\n// {\n\n// if(x==T)return flow;\n\n// int had=0;\n\n// for(int t=las[x];t;t=nn[t]){\n\n// int y=e[t];\n\n// if((!c[t])||dis[x]-1!=dis[y])continue;\n\n// int del=Idiot_Sap(y,min(c[t],flow-had));\n\n// c[t]-=del;\n\n// c[t^1]+=del;\n\n// had+=del;\n\n// if(dis[S]>=T||had==flow)return had;\n\n// }\n\n// if(dis[S]>=T)return had;\n\n// --cnt[dis[x]];\n\n// if(!cnt[dis[x]])dis[S]=T;\n\n// cnt[++dis[x]]++;\n\n// return had;\n\n// }\n\nint had[Q];\n\nint main()\n\n{\n\n int n,h;\n\n cin>>n>>h;\n\n h+=5;\n\n for(int i=1;i<=h+h;i++)fa[i]=i;\n\n for(int i=1,a,b,c,d;i<=n;i++){\n\n scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n ++a,++b,++c,++d;\n\n int x,y;\n\n if(c==1)x=a+h;\n\n else x=c;\n\n if(d==1)y=b;\n\n else y=d+h;\n\n // printf(\"%d %d LINK\\n\",x,y);\n\n ins(x,y);\n\n }\n\n for(int i=1;i<=h;i++)if(out[i]>in[i])return puts(\"NO\")&0;\n\n for(int i=h+1;i<=h+h;i++)if(out[i]<in[i])return puts(\"NO\")&0;\n\n for(int i=1;i<=h+h;i++)if(in[i]!=out[i])had[gf(i)]=1;\n\n for(int i=1;i<=h+h;i++)if(in[i]&&out[i]&&(!had[gf(i)]))return puts(\"NO\")&0;\n\n puts(\"YES\");\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003481"}241{"label": "pie_cpp_test_003482", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003482.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003482", "task_path": "tasks/test/pie_cpp_test_003482.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\n#define NO return puts(\"NO\"),0\n\nusing namespace std;\n\n \n\nint n,m,f[1000],a,b,c,d,x,y,D[1000],bo[1000],C[1000];\n\nint gf(int x){return x==f[x]?x:f[x]=gf(f[x]);}\n\nint main(){\n\n scanf(\"%d%d\",&n,&m);\n\n \n\n for (int i=1;i<999;i++) f[i]=i;\n\n while (n--){\n\n scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n if (c==0) x=a;else x=-c;x+=500;\n\n if (d==0) y=-b;else y=d;y+=500;\n\n f[gf(x)]=gf(y);\n\n D[x]++;D[y]--;bo[x]=1;\n\n }\n\n for (int i=1;i<500;i++) if (D[i]>0) NO;\n\n for (int i=501;i<999;i++) if (D[i]<0) NO;\n\n for (int i=1;i<999;i++)\n\n if (bo[gf(i)]|=bo[i],D[i]) C[f[i]]=1;\n\n for (int i=1;i<999;i++)\n\n if (f[i]==i&&!C[i]&&bo[i]) NO;\n\n puts(\"YES\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003482"}242{"label": "pie_cpp_test_003483", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 81, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 81, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003483.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003483", "task_path": "tasks/test/pie_cpp_test_003483.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nusing Int = long long;\n\n\n\n//INSERT ABOVE HERE\n\nsigned main(){\n\n Int n,h;\n\n cin>>n>>h;\n\n vector<Int> a(n),b(n),c(n),d(n);\n\n for(Int i=0;i<n;i++) cin>>a[i]>>b[i]>>c[i]>>d[i];\n\n \n\n auto idx=\n\n [&](Int k,Int s){\n\n if(s==0){\n\n\tif(c[k]==0) return 300+a[k];\n\n\treturn c[k];\n\n }else{\n\n\tif(d[k]==0) return b[k];\n\n\treturn 300+d[k];\n\n }\n\n };\n\n\n\n vector<vector<queue<Int> > > cnt(2,vector<queue<Int> >(600));\n\n for(Int i=0;i<n;i++){\n\n cnt[0][idx(i,0)].emplace(i);\n\n cnt[1][idx(i,1)].emplace(i);\n\n }\n\n \n\n auto NO=[](){cout<<\"NO\"<<endl;exit(0);};\n\n\n\n vector<Int> used(n),ok(600,0);\n\n vector<queue<Int> > q(600);\n\n vector<vector<Int> > lp;\n\n for(Int i=0;i<n;i++){\n\n if(used[i]) continue;\n\n used[i]=1;\n\n Int l=idx(i,0),r=idx(i,1);\n\n vector<Int> v; \n\n while(1){\n\n v.emplace_back(l);\n\n v.emplace_back(r);\n\n Int flg=0;\n\n while(!cnt[1][l].empty()){\n\n\tInt k=cnt[1][l].front();cnt[1][l].pop();\n\n\tif(used[k]) continue;\n\n\tused[k]=1;\n\n\tassert(idx(k,1)==l);\n\n\tl=idx(k,0);\n\n\tflg=1;\n\n\tbreak;\n\n }\n\n if(flg) continue;\n\n while(!cnt[0][r].empty()){\n\n\tInt k=cnt[0][r].front();cnt[0][r].pop();\n\n\tif(used[k]) continue;\n\n\tused[k]=1;\n\n\tassert(idx(k,0)==r);\n\n\tr=idx(k,1);\n\n\tflg=1;\n\n\tbreak;\n\n }\n\n if(flg) continue;\n\n break;\n\n }\n\n sort(v.begin(),v.end());\n\n v.erase(unique(v.begin(),v.end()),v.end()); \n\n if(l==r){\n\n for(Int x:v) q[x].emplace(lp.size());\n\n lp.emplace_back(v);\n\n continue;\n\n }\n\n if(l<300||r>=300) NO();\n\n for(Int x:v) ok[x]=1;\n\n }\n\n\n\n vector<Int> ch(lp.size(),0),us(600,0); \n\n queue<Int> q2;\n\n for(Int i=0;i<600;i++)\n\n if(ok[i]) q2.emplace(i);\n\n \n\n while(!q2.empty()){\n\n Int v=q2.front();q2.pop();\n\n if(us[v]) continue;\n\n us[v]=1;\n\n while(!q[v].empty()){\n\n Int u=q[v].front();q[v].pop();\n\n if(ch[u]) continue;\n\n ch[u]=1;\n\n for(Int w:lp[u]) q2.emplace(w);\n\n }\n\n }\n\n \n\n for(Int i=0;i<(Int)lp.size();i++) if(!ch[i]) NO();\n\n cout<<\"YES\"<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003483"}243{"label": "pie_cpp_test_003484", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003484.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003484", "task_path": "tasks/test/pie_cpp_test_003484.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for ((i)=1;(i)<=(n);(i)++)\n\n#define per(i,n) for ((i)=n;(i)>=(1);(i)--)\n\nusing namespace std;\n\nint n,m,i,j,fa[200005],vis[200005];\n\nint rd[200005],cd[200005];\n\nint fnd(int x)\n\n{\n\n\tif(fa[x]==x) return x;\n\n\treturn fa[x]=fnd(fa[x]); \n\n}\n\nint main()\n\n{\n\n\tcin>>n>>m;m++;\n\n\trep(i,m+m)fa[i]=i;\n\n\trep(i,n)\n\n\t{\n\n\t\tint a,b,c,d,l,r;\n\n\t\tcin>>a>>b>>c>>d;\n\n\t\tif(c) l=m+c; else l=m-a;\n\n\t\tif(d) r=m-d; else r=m+b;\n\n\t\trd[r]++;cd[l]++;\n\n\t\tfa[fnd(l)]=fnd(r);\n\n\t}\n\n\trep(i,m) if(rd[i]>cd[i]) {puts(\"NO\");return 0;}\n\n\trep(i,m) if(rd[i+m]<cd[i+m]) {puts(\"NO\");return 0;}\n\n\trep(i,m+m) if(rd[i]!=cd[i]) vis[fnd(i)]=1;\n\n\trep(i,m+m) if(cd[i]&&!vis[fnd(i)]) {puts(\"NO\");return 0;}\n\n\tputs(\"YES\");\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003484"}244{"label": "pie_cpp_test_003485", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003485.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003485", "task_path": "tasks/test/pie_cpp_test_003485.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define N 500\n\nusing namespace std;\n\nint f[N],sz[N],fl[N],out[N],in[N];\n\nint n,h,a,b,c,d,x,y;\n\nint get(int x){\n\n\treturn f[x]==x?x:f[x]=get(f[x]);\n\n}\n\nint main(){\n\n\tscanf(\"%d%d\",&n,&h);\n\n\tfor (int i=-h;i<=h;i++)\n\n\t\tf[i+233]=i+233,sz[i+233]=1;\n\n\tfor (int i=1;i<=n;i++){\n\n\t\tscanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n\t\tx=(c==0)?a:-c; y=(d==0)?-b:d;\n\n\t\t++out[x+233]; ++in[y+233];\n\n\t\tx=get(x+233); y=get(y+233);\n\n\t\tif (x==y) sz[x]++;\n\n\t\telse f[x]=y,sz[y]+=sz[x]+1;\n\n\t}\n\n\tfor (int i=1;i<=h;i++)\n\n\t\tif (out[i+233]<in[i+233])\n\n\t\t\treturn puts(\"NO\"),0;\n\n\tfor (int i=-h;i<=-1;i++)\n\n\t\tif (in[i+233]<out[i+233])\n\n\t\t\treturn puts(\"NO\"),0;\n\n\tfor (int i=-h;i<=h;i++)\n\n\t\tfl[get(i+233)]|=(in[i+233]!=out[i+233]);\n\n\tfor (int i=-h;i<=-1;i++)\n\n\t\tif (sz[get(i+233)]>1&&!fl[get(i+233)])\n\n\t\t\treturn puts(\"NO\"),0;\n\n\tfor (int i=1;i<=h;i++)\n\n\t\tif (sz[get(i+233)]>1&&!fl[get(i+233)])\n\n\t\t\treturn puts(\"NO\"),0;\n\n\tputs(\"YES\"); \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003485"}245{"label": "pie_cpp_test_003486", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 28, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 28, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003486.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003486", "task_path": "tasks/test/pie_cpp_test_003486.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<stdio.h>\n\nusing namespace std;\n\nint n,m;\n\nint fa[2000003],vis[2000003],D[2000003],C[2000003];\n\ninline int find(int x){\n\n\tif(fa[x]==x){\n\n\t\treturn fa[x];\n\n\t}else{\n\n\t\treturn fa[x]=find(fa[x]);\n\n\t}\n\n}\n\nint main(){\n\n\tcin>>n>>m;\n\n for(int i=1;i<=1000;i++){\n\n \tfa[i]=i;\n\n\t}\n\n for(int i=1;i<=n;i++){\n\n int x,y,a,b,c,d;\n\n cin>>a>>b>>c>>d;\n\n x=!c?a+500:-c+500;\n\n y=!d?-b+500:d+500;\n\n fa[find(x)]=find(y);\n\n D[x]++,D[y]--;\n\n\t\tvis[x]=1;\n\n }\n\n int flag=1;\n\n for(int i=1;i<500;i++){\n\n \tif(D[i]>0){\n\n\t\t\tputs(\"NO\");\n\n \t\treturn 0;\n\n\t\t}\n\n\t}\n\n for(int i=501;i<=1000;i++){\n\n \tif(D[i]<0){\n\n \t\tputs(\"NO\");\n\n \t\treturn 0;\n\n\t\t}\n\n\t}\n\n for(int i=1;i<=1000;i++){\n\n \tvis[find(i)]|=vis[i];\n\n\t}\n\n for(int i=1;i<=1000;i++){\n\n\t\tif(D[i]){\n\n\t\t\tC[find(i)]=1;\n\n\t\t}\n\n\t}\n\n for(int i=1;i<=1000;i++){\n\n \tif(fa[i]==i&&!C[i]&&vis[i]){\n\n \t\tputs(\"NO\");\n\n \t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout<<\"YES\"<<endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003486"}246{"label": "pie_cpp_test_003487", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003487.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003487", "task_path": "tasks/test/pie_cpp_test_003487.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n/*\n\n\u5f88\u5de7\u5999\u7684\u4e00\u9053\u56fe\u8bba\u9898\uff0c\u96be\u5ea6\u5728\u4e8e\u5efa\u56fe&\u731c\u7ed3\u8bba\u3002\n\n\u8003\u8651\u5230\u6709\u4e24\u79cd\u8fde\u63a5\u65b9\u5f0f\uff1a\uff0c\u5bf9\u4e8e\u76f8\u90bb\u7684\u4e24\u5757\uff0c\u5de6\u8fb9\u7684\u5728\u4e0a\uff0c\u8bb0\u4e3a\u6b63\u9ad8\u5ea6\uff1b\u53f3\u8fb9\u7684\u5728\u4e0a\uff0c\u8bb0\u4e3a\u8d1f\u9ad8\u5ea6\u3002\n\n\u4e00\u822c\u5730\uff0c\u6211\u4eec\u53ef\u4ee5\u7528(l,r)\u8868\u793a\u4e00\u5757\u79ef\u6728\uff1a\n\n\u5982\u679cci=0, l=ai, \u5426\u5219, l=-ci\u3002\n\n\u5982\u679cdi=0, r=-bi, \u5426\u5219, r=di\u3002\n\n\u5047\u8bbe\u5728(l',r')\u7684\u53f3\u8fb9\u653e\u4e0a(l,r)\u7684\u79ef\u6728\uff0c\u5f53\u4e14\u4ec5\u5f53:\n\n\tl\u548cr'\u7684\u7b26\u53f7\u4e0d\u540c\t\t\u6216\t\tr=l'\u3002\n\n\u9700\u8981\u6ee1\u8db3\u6700\u5de6\u7aef\u7684l\u662f\u6b63\u6570\uff0c\u6700\u53f3\u7aef\u7684r\u662f\u8d1f\u6570\u3002\n\n\t\n\n\u8003\u8651\u6784\u90202H\u4e2a\u70b9(-H,-H+1,...,-1,1,2,3,...,H)\uff0c\n\n\u5bf9\u4e8e\u6240\u6709(li,ri)\u8fde\u8fb9\uff0c\n\n\u9898\u76ee\u7684\u8981\u6c42\u7b49\u4ef7\u4e8e\u5c06\u56fe\u5212\u5206\u4e3a\u82e5\u5e72\u4e0d\u76f8\u4ea4\u7684\u8def\u5f84\u3002\n\n\u4e14\u6240\u6709\u8def\u5f84\u5fc5\u987b\u4ece\u6b63\u70b9\u51fa\u53d1\uff0c\u8d1f\u70b9\u7ed3\u675f\u3002\n\n\n\n\u9898\u76ee\u7684\u6761\u4ef6\u7b49\u4ef7\u4e8e:\n\n\u5bf9\u4e8e\u6240\u6709\u6b63\u70b9\uff0c\u51fa\u5ea6>=\u5165\u5ea6\u3002\n\n\u5bf9\u4e8e\u6240\u6709\u8d1f\u70b9\uff0c\u5165\u5ea6>=\u51fa\u5ea6\u3002\n\n\u5bf9\u4e8e\u6240\u6709\u5f31\u8fde\u901a\u5757\uff0c\u4e00\u5b9a\u5b58\u5728\u70b9\uff0c\u5165\u5ea6!=\u51fa\u5ea6\u3002\n\n\n\n\u663e\u7136\uff0c\u8fd9\u4e2a\u662f\u5fc5\u8981\u6761\u4ef6\u3002\u800c\u5145\u5206\u6761\u4ef6\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u5f97\u51fa\u3002\n\n\u4efb\u610f\u9009\u62e9\u4e00\u6b63\u70b9\u51fa\u53d1\uff0c\u76f4\u5230\u65e0\u6cd5\u518d\u8d70\u3002\n\n\u6211\u4eec\u4f1a\u5f97\u5230\u4e24\u79cd\u96c6\u5408\uff1a\n\n\u6ee1\u8db3\u6761\u4ef6\u7684\u8def\u5f84\uff0c\u6216\u8005\u4e00\u4e2a\u73af\u3002\n\n\n\n\u5982\u4f55\u6d88\u53bb\u73af\uff1f\n\n\u6839\u636e\u6761\u4ef63\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u73af\u4e0e\u73af\uff08\u6216\u8def\u5f84\u5408\u5e76\uff09\uff0c\n\n\u6700\u7ec8\u4e00\u5b9a\u53ef\u4ee5\u627e\u5230\u4e00\u4e2a\u8def\u5f84\u4e0e\u4e4b\u5408\u5e76\u3002\n\n*/\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconst int maxn = 409;\n\nint in[maxn], out[maxn], pa[maxn], flag[maxn];\n\nint n, H, a, b, c, d;\n\n\n\nint getpa(int x) {\n\n\treturn pa[x] == x ? x : pa[x] = getpa(pa[x]);\n\n}\n\n\n\nint main() {\n\n\tscanf(\"%d%d\", &n, &H);\n\n\tfor (int i=1; i<=2*H; i++) pa[i] = i;\n\n\tfor (int i=1; i<=n; i++) {\n\n\t\tscanf(\"%d%d%d%d\", &a, &b, &c, &d);\n\n\t\tif (c) a = c + H; \n\n\t\tif (!d) b = b + H; else b = d;\n\n\t\tout[a]++; in[b]++;\n\n\t\tpa[getpa(a)] = getpa(b);\n\n\t}\n\n\t//for (int i=1; i<=2*H; i++) printf(\"%d %d %d\\n\", i, in[i], out[i]);\n\n\tfor (int i=1; i<=H; i++)\n\n\t\tif (out[i] < in[i]) { puts(\"NO\"); return 0; }\n\n\tfor (int i=H+1; i<=2*H; i++)\n\n\t\tif (in[i] < out[i]) { puts(\"NO\"); return 0; }\n\n\tfor (int i=1; i<=2*H; i++)\n\n\t\tif (in[i] != out[i]) flag[getpa(i)] = 1;\n\n\tfor (int i=1; i<=2*H; i++)\n\n\t\tif (pa[i] == i && !flag[i] && in[i] && out[i]) { puts(\"NO\"); return 0; }\n\n\tputs(\"YES\");\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003487"}247{"label": "pie_cpp_test_003488", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 21, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 21, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003488.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003488", "task_path": "tasks/test/pie_cpp_test_003488.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<cstring>\n\nusing namespace std;\n\n\n\nint id[405],od[405];bool v[405];vector <int>G[405];int N,H;int a,b,c,d;\n\n\n\nbool dfs(int tt)\n\n{\n\n bool f=id[tt]!=od[tt];\n\n v[tt]=true;\n\n\tfor(int i=0;i<G[tt].size();i++)\n\n {\n\n if(!v[G[tt][i]]) \n\n f|=dfs(G[tt][i]);\n\n }\n\n return f;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n\tscanf(\"%d%d\",&N,&H);\n\n for(int i=1;i<=N;i++) \n\n {\n\n scanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n int l,r;l= ( c==0 ? a : -c );r= ( d==0 ? -b : d );\n\n\t\tod[l+H]++;id[r+H]++;G[l+H].push_back(r+H);G[r+H].push_back(l+H);\n\n }\n\n\tbool flag=1;\n\n\tfor(int i=0;flag&&i<=H;i++)if(od[i]>id[i])flag=0;\n\n\tfor(int i=H+1;flag&&i<=2*H+1;i++)if(od[i]<id[i])flag=0;\n\n\tmemset(v,false,sizeof(v));\n\n for(int i=0;flag && i<=2*H;i++)\n\n {if((id[i]||od[i])&&!v[i]) flag &=dfs(i); }\n\n if(flag) printf(\"YES\\n\"); \n\n else printf(\"NO\\n\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003488"}248{"label": "pie_cpp_test_003489", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 25, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 25, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003489.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003489", "task_path": "tasks/test/pie_cpp_test_003489.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define N 300050\n\nusing namespace std;\n\nint n,h;\n\nstruct node{\n\n\tint a,b,c,d;\n\n}q[N];\n\nint ld[233],lu[233],rd[233],ru[233],ds;\n\nint ind[N],outd[N],fa[N],pd[N];\n\nint getfa(int x){return fa[x]==x?x:fa[x]=getfa(fa[x]);}\n\nint main(){\n\n\tcin>>n>>h;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tscanf(\"%d%d%d%d\",&q[i].a,&q[i].b,&q[i].c,&q[i].d);\n\n\tfor(int i=1;i<=h;++i)ld[i]=++ds,fa[ds]=ds;\n\n\tfor(int i=1;i<=h;++i)lu[i]=++ds,fa[ds]=ds;\n\n\tfor(int i=1;i<=h;++i)rd[i]=lu[i];\n\n\tfor(int i=1;i<=h;++i)ru[i]=ld[i];\n\n\tfor(int i=1;i<=n;++i){\n\n\t\tint pol,por;\n\n\t\tif(q[i].c)pol=ld[q[i].c];\n\n\t\telse pol=lu[q[i].a];\n\n\t\tif(q[i].d)por=rd[q[i].d];\n\n\t\telse por=ru[q[i].b];\n\n\t\t++outd[pol];++ind[por];\n\n\t\tfa[getfa(pol)]=getfa(por);\n\n\t}\n\n\tint al=0;\n\n\tfor(int i=lu[1];i<=lu[h];++i){\n\n\t\tal+=outd[i]-ind[i];\n\n\t\tif(outd[i]<ind[i])return puts(\"NO\"),0;\n\n\t}\n\n\tif(al<=0)return puts(\"NO\"),0;\n\n\tfor(int i=ru[1];i<=ru[h];++i){\n\n\t\tif(outd[i]>ind[i])return puts(\"NO\"),0;\n\n\t\tal+=outd[i]-ind[i];\n\n\t}\n\n\tif(al)return puts(\"NO\"),0;\n\n\tfor(int i=1;i<=ds;++i)if(ind[i]!=outd[i])pd[getfa(i)]=1;\n\n\tfor(int i=1;i<=ds;++i)if((ind[i]||outd[i])&&!pd[getfa(i)])return puts(\"NO\"),0;\n\n\treturn puts(\"YES\"),0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003489"}249{"label": "pie_cpp_test_003490", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003490.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003490", "task_path": "tasks/test/pie_cpp_test_003490.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<set>\n\n#include<map>\n\n#include<deque>\n\n#include<queue>\n\n#include<stack>\n\n#include<cmath>\n\n#include<ctime>\n\n#include<bitset>\n\n#include<string>\n\n#include<vector>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<cstring>\n\n#include<climits>\n\n#include<complex>\n\n#include<iostream>\n\n#include<algorithm>\n\n#define ll long long\n\nusing namespace std;\n\n\n\nconst int maxn = 410000;\n\n\n\nint n,m=800;\n\n\n\nint fa[maxn];\n\nint findfa(const int x){return fa[x]==x?x:fa[x]=findfa(fa[x]);}\n\n\n\nint d[maxn],v[maxn],ok[maxn];\n\n\n\nint main()\n\n{\n\n scanf(\"%d%*d\",&n);\n\n for(int i=1;i<m;i++) fa[i]=i;\n\n for(int i=1;i<=n;i++)\n\n {\n\n int a,b,c,D,l,r; scanf(\"%d%d%d%d\",&a,&b,&c,&D);\n\n l=!c?a:-c;\n\n r=!D?-b:D;\n\n l+=400,r+=400;\n\n d[l]++,d[r]--; v[l]=v[r]=1;\n\n fa[findfa(l)]=findfa(r);\n\n }\n\n for(int i=1;i<=400;i++) if(d[i]>0) return puts(\"NO\"),0;\n\n for(int i=400;i<m;i++) if(d[i]<0) return puts(\"NO\"),0;\n\n\n\n for(int i=1;i<m;i++) if(d[i]) ok[findfa(i)]=1;\n\n\n\n for(int i=1;i<m;i++) if(i==findfa(i)&&v[i]&&!ok[i]) \n\n return puts(\"NO\"),0;\n\n puts(\"YES\");\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003490"}250{"label": "pie_cpp_test_003491", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003491.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003491", "task_path": "tasks/test/pie_cpp_test_003491.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<iostream>\n\n#define neko 100010\n\n#define heko 410\n\n#define qwq return printf(\"YES\"),0; \n\n#define orz return printf(\"NO\"),0; \n\n#define f(i,a,b) for(register int i=(a);i<=(b);i=-(~i))\n\nstatic int n,H;\n\ntypedef int arr[heko];\n\narr fa,book,dgi,dgo,out;\n\nnamespace IO\n\n{\n\n\tconst unsigned int bufsize=1<<16,outsize=1<<24;\n\n\tstatic char ch[bufsize],*S=ch,*T=ch;\n\n\tinline char getc()\n\n\t{return ((S==T)&&(T=(S=ch)+fread(ch,1,bufsize,stdin),S==T)?0:*S++);}\n\n\tstatic char Out[outsize],*nowp=Out;\n\n\tinline void flush(){fwrite(Out,1,nowp-Out,stdout);nowp=Out;}\n\n\ttemplate<typename T>\n\n\t\tvoid read(T &x)\n\n\t\t{\n\n\t\t\tchar c=getc();x=0;\n\n\t\t\tfor(;!isdigit(c);c=getc());\n\n\t\t\tfor(;isdigit(c);x=(x<<1)+(x<<3)+(c^'0'),c=getc());\n\n\t\t}\n\n\ttemplate<typename T>\n\n\t\tvoid write(T x,char c='\\n')\n\n\t\t{\n\n\t\t\tif(!x)*nowp++='0';\n\n\t\t\tstatic unsigned int stk[50],tp=0;\n\n\t\t\tfor(;x;x/=10)stk[++tp]=x%10;\n\n\t\t\tfor(;tp;*nowp++=stk[tp--]^'0');*nowp++=c;\n\n\t\t}\n\n}\n\nint find(int x){return fa[x]^x?fa[x]=find(fa[x]):x;}\n\nint main()\n\n{\n\n\tusing namespace IO;\n\n\tint x,y,z,o,X,Y;\n\n\tread(n),read(H);\n\n\tf(i,0,H<<1)fa[i]=i;\n\n\tf(i,1,n)\n\n\t{\n\n\t\tread(x),read(y),read(z),read(o);\n\n\t\tif(z==0)X=H+x;\n\n\t\telse X=H-z;\n\n\t\tif(o==0)Y=H-y;\n\n\t\telse Y=H+o;\n\n\t\tbook[X]=book[Y]=1;\n\n\t\t++dgi[Y],++dgo[X];\n\n\t\tfa[find(Y)]=find(X);\n\n\n\n\t}\n\n\tf(i,0,H)if(dgi[i]<dgo[i])orz;\n\n\tf(i,H+1,H<<1)if(dgi[i]>dgo[i])orz;\n\n\tf(i,0,H<<1)if(dgi[i]^dgo[i])out[fa[i]]=1;\n\n\tf(i,0,H<<1)if(fa[i]==i&&book[i]&&!out[fa[i]])orz;\n\n\tqwq;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003491"}251{"label": "pie_cpp_test_003492", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003492.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003492", "task_path": "tasks/test/pie_cpp_test_003492.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ninline void read(int &x)\n\n{\n\n\tchar c=getchar();\n\n\tx=0;\n\n\twhile (c>'9'||c<'0')\n\n\t\tc=getchar();\n\n\twhile (c>='0'&&c<='9')\n\n\t{\n\n\t\tx=x*10+c-'0';\n\n\t\tc=getchar();\n\n\t}\n\n}\n\nconst int N=10005;\n\nint n,m,fa[N],v[N],f[N],g[N],x,y,a,b,c,d,flag;\n\ninline int gf(int x)\n\n{\n\n\treturn fa[x]==x?x:fa[x]=gf(fa[x]);\n\n}\n\nint main()\n\n{\n\n\tread(n);\n\n\tread(m);\n\n\tfor (int i=1;i<=1000;++i)\n\n\t\tfa[i]=i;\n\n\tfor (int i=1;i<=n;++i)\n\n\t{\n\n\t\tread(a);\n\n\t\tread(b);\n\n\t\tread(c);\n\n\t\tread(d);\n\n\t\tif (c)\n\n\t\t\tx=500-c;\n\n\t\telse\n\n\t\t\tx=500+a;\n\n\t\tif (d)\n\n\t\t\ty=500+d;\n\n\t\telse\n\n\t\t\ty=500-b;\n\n\t\tfa[gf(x)]=gf(y);\n\n\t\t++f[x];\n\n\t\t--f[y];\n\n\t\tv[x]=1;\n\n\t}\n\n\tflag=1;\n\n\tfor (int i=1;i<500;++i)\n\n\t\tif (f[i]>0)\n\n\t\t\tflag=0;\n\n\tfor (int i=501;i<=1000;++i)\n\n\t\tif (f[i]<0)\n\n\t\t\tflag=0;\n\n\tfor (int i=1;i<=1000;++i)\n\n\t\tv[gf(i)]|=v[i];\n\n\tfor (int i=1;i<=1000;++i)\n\n\t\tif (f[i])\n\n\t\t\tg[gf(i)]=1;\n\n\tfor (int i=1;i<=1000;++i)\n\n\t\tif (fa[i]==i&&!g[i]&&v[i])\n\n\t\t\tflag=0;\n\n\tputs(flag?\"YES\":\"NO\");\n\n\treturn 0;\n\n\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003492"}252{"label": "pie_cpp_test_003493", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003493.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003493", "task_path": "tasks/test/pie_cpp_test_003493.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <iostream>\n\nusing namespace std;\n\n\n\nconst int MaxN = 505;\n\n\n\nint n, h;\n\nint in[MaxN], out[MaxN], ok[MaxN], fa[MaxN];\n\n\n\nint Find(int x) { return x == fa[x] ? x : fa[x] = Find(fa[x]); }\n\n\n\nvoid Init()\n\n{\n\n\tscanf(\"%d%d\", &n, &h);\n\n\tfor (int i = 1; i <= (h << 1); ++i)\n\n\t\tfa[i] = i;\n\n\tfor (int i = 1; i <= n; ++i)\n\n\t{\n\n\t\tint a, b, c, d, l, r;\n\n\t\tscanf(\"%d%d%d%d\", &a, &b, &c, &d);\n\n\t\tl = (c == 0) ? h + a : c;\n\n\t\tr = (d == 0) ? b : h + d;\n\n\t\t++out[l];\n\n\t\t++in[r];\n\n\t\tif (Find(l) != Find(r))\n\n\t\t\tfa[Find(l)] = Find(r);\n\n\t}\n\n}\t\n\n\n\nint Main()\n\n{\n\n\tfor (int i = 1; i <= h; ++i)\n\n\t\tif (out[i] > in[i])\n\n\t\t\treturn puts(\"NO\");\n\n\tfor (int i = h + 1; i <= (h << 1); ++i)\n\n\t\tif (in[i] > out[i])\n\n\t\t\treturn puts(\"NO\");\n\n\tfor (int i = 1; i <= (h << 1); ++i)\n\n\t\tif (in[i] != out[i])\n\n\t\t\tok[Find(i)] = true;\n\n\tfor (int i = 1; i <= (h << 1); ++i)\n\n\t\tif (Find(i) == i && !ok[i] && in[i] + out[i] != 0)\n\n\t\t\treturn puts(\"NO\");\n\n\treturn puts(\"YES\");\n\n}\n\n\n\nint main()\n\n{\n\n\tInit();\n\n\tMain();\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003493"}253{"label": "pie_cpp_test_003494", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03669", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003494.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003494", "task_path": "tasks/test/pie_cpp_test_003494.json", "visible_test_count": 1}, "problem_id": "p03669", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4\n1 1 0 0\n2 2 0 1\n3 3 1 0\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\n\n\nconst int MAXN=405;\n\n\n\nint n,h;\n\nint in[MAXN],out[MAXN],cnt[MAXN],fa[MAXN];\n\n\n\nint Find(int x){return fa[x]==0?x:fa[x]=Find(fa[x]);}\n\n\n\nint main(){\n\n\tscanf(\"%d%d\",&n,&h);\n\n\tfor(int i=1;i<=n;i++){\n\n int a,b,c,d;\n\n\t\tscanf(\"%d%d%d%d\",&a,&b,&c,&d);\n\n\t\tint x=c==0?a:(c+200);\n\n\t\tint y=d==0?(b+200):d;\n\n\t\tin[y]++,out[x]++;\n\n\t\tx=Find(x),y=Find(y);\n\n\t\tif(x!=y) fa[x]=y;\n\n\t}\n\n\tbool f=1;\n\n\tfor(int i=1;i<=400;i++)\n\n\t\tif(in[i]!=out[i]){\n\n\t\t\tif((in[i]<out[i]&&i>200)||(in[i]>out[i]&&i<200)){\n\n\t\t\t\tf=0;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tint x=Find(i);\n\n\t\t\tcnt[x]++;\n\n\t\t}\n\n\tif(f){\n\n\t\tfor(int i=1;i<=400;i++)\n\n\t\t\tif((in[i]||out[i])&&cnt[Find(i)]==0){\n\n\t\t\t\tf=0;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t}\n\n\tif(f) puts(\"YES\");\n\n\telse puts(\"NO\");\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003494"}254{"label": "pie_cpp_test_003569", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 87, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 87, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003569.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003569", "task_path": "tasks/test/pie_cpp_test_003569.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define fi first\n\n#define se second\n\n#define mp make_pair\n\n#define pb push_back\n\n#define rep(i,a,b) for(int i=(a);i<(b);i++)\n\n#define per(i,a,b) for(int i=(b-1);i>=(a);i--)\n\n#define all(V) V.begin(),V.end()\n\n#define sz(a) (int)a.size()\n\n#define de(a) cout<<#a<<\" = \"<<a<<endl\n\n#define dd(a) cout<<#a<<\" = \"<<a\n\ntypedef long long ll;\n\ntypedef pair<int ,int > pii;\n\ntypedef vector<int> vi;\n\n//----\n\n\n\nconst int N=20;\n\nconst int mod=1e9+7;\n\npair<pii,pii> Max[1<<N];\n\nint cmp(pii a,pii b)\n\n{\n\n\treturn a>b;\n\n}\n\nint main()\n\n{\n\n\tint n;\n\n\tscanf(\"%d\",&n);\n\n\trep(i,0,1<<n)scanf(\"%d\",&Max[i].fi.fi),Max[i].fi.se=i;\n\n\tint Ans=0;\n\n\trep(i,1,1<<n)\n\n\t{\n\n\t\trep(j,0,n)if((i>>j)&1)\n\n\t\t{\n\n\t\t\tvector<pii> V;\n\n\t\t\tV.pb(Max[i].fi);\n\n\t\t\tV.pb(Max[i].se);\n\n\t\t\tV.pb(Max[i^(1<<j)].fi);\n\n\t\t\tV.pb(Max[i^(1<<j)].se);\n\n\t\t\tsort(all(V),cmp);\n\n\t\t\tV.erase(unique(all(V)),V.end());\n\n\t\t\tMax[i].fi=V[0],Max[i].se=V[1];\n\n\t\t}\n\n\t\tAns=max(Ans,Max[i].fi.fi+Max[i].se.fi);\n\n\t\tcout<<Ans<<endl;\n\n\t}\t\n\n\treturn 0;\t\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003569"}255{"label": "pie_cpp_test_003570", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 91, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 91, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003570.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003570", "task_path": "tasks/test/pie_cpp_test_003570.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\n\n\nint Max[550000], cMax[550000]; \n\nint n, a[550000], Ans[550000];\n\nint o[4];\n\n\n\nint main()\n\n{\n\n\tscanf(\"%d\", &n);\n\n\tfor(int i = 0; i < (1 << n); i++) scanf(\"%d\", &a[i]);\n\n\tmemset(Max, -1, sizeof(Max));\n\n\tmemset(cMax, -1, sizeof(cMax));\n\n\tMax[0] = a[0];\n\n\tif(a[1] > a[0]) Max[1] = a[1], cMax[1] = a[0];\n\n\telse Max[1] = a[0], cMax[1] = a[1];\n\n\tAns[1] = a[0] + a[1];\n\n\tprintf(\"%d\\n\", a[0] + a[1]);\n\n\tfor(int i = 2; i < (1 << n); i++)\n\n\t{\n\n\t\tint S = 0, b;\n\n\t\tfor(int j = 17; j >= 0; j--)\n\n\t\t{\n\n\t\t\tif((i >> j) & 1)\n\n\t\t\t{\n\n\t\t\t\tS = i ^ (1 << j);\n\n\t\t\t\tb = j;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tb = 1 << b;\n\n\t\tfor(int j = S; ; j = ((j - 1) & S))\n\n\t\t{\n\n\t\t\tint u = a[b ^ j];\n\n\t\t\tif(u > Max[i]) cMax[i] = Max[i], Max[i] = u;\n\n\t\t\telse if(u > cMax[i]) cMax[i] = u;\n\n\t\t\tif(j == 0) break;\n\n\t\t}\n\n\t\to[0] = Max[i]; o[1] = cMax[i]; o[2] = Max[S]; o[3] = cMax[S];\n\n\t\tstd::sort(o, o + 4);\n\n\t\tMax[i] = o[3]; cMax[i] = o[2];\n\n\t\tif(cMax[i] == -1)\n\n\t\t{\n\n\t\t\tAns[i] = Ans[i - 1];\n\n\t\t\tprintf(\"%d\\n\", Ans[i]);\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tAns[i] = std::max(Max[i] + cMax[i], Ans[i - 1]);\n\n\t\t\tprintf(\"%d\\n\", Ans[i]);\n\n\t\t}\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003570"}256{"label": "pie_cpp_test_003571", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 90, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 90, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003571.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003571", "task_path": "tasks/test/pie_cpp_test_003571.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\n#define Max(_A,_B) ((_A)>(_B)?(_A):(_B))\n\n#define Swap(_A,_B) ((_A)^=(_B)^=(_A)^=(_B))\n\nusing namespace std;\n\n/*\n\n\u5176\u4e2d\uff0cf[k]\u8868\u793a\u9012\u63a8\u5230\u7b2ci\u4f4d\u7684\u6700\u5927\u503c\u3002\n\n\u90a3\u4e48\uff0cf[k]\u663e\u7136\u662f\u53ef\u4ee5\u4ecef[k-1]\u9012\u63a8\u6765\u7684\u3002\n\n\u8fd9\u65f6\u5019\u53ea\u8981\u8003\u8651i|j==k\u7684\u503c\u3002\n\n\u679a\u4e3ek\u7684\u5b50\u96c6\uff0c\u6c42\u6700\u5927\u503c\u3002\n\n\u8fd9\u6837\u505a\u662fO(\u677e\u677e\u677e)\u7684\u3002\n\n\u8003\u8651\u4f18\u5316\u3002\n\n\u6211\u4eec\u53ef\u4ee5\u53d1\u73b0\uff0c\u5bf9\u4e8ek\u7684\u6bcf\u4e00\u4e2a\u5b50\u96c6\uff0c\u5b83\u7684\u5b50\u96c6\u7684\u6700\u5927\u503c\u662f\u5df2\u7ecf\u6c42\u8fc7\u7684\u3002\n\n\u90a3\u4e48\u6211\u4eec\u53ea\u9700\u8981\u8003\u8651\u679a\u4e3e\u6bcf\u4e00\u4e2ak\u5b50\u96c6\u7684\u4e00\u90e8\u5206\uff0c\u53ef\u4ee5\u8003\u8651\u6bcf\u4e00\u6b21\u628a\u5b83\u53cd\u4e0e\u4e0a\u4e00\u4e2a2^l\uff0c\u5e76\u6c42Max\u548c\u6b21Max\u3002\n\n\u8fd9\u6837\u6709\u89e3\uff0c\u590d\u6742\u5ea6O(n*2^n)\u3002 \n\n*/\n\n//mx[i][0]\u8868\u793a\u6700\u5927\u503c\uff0cmx[i][1]\u8868\u793a\u6b21\u5927\u503c\u3002 \n\nint f[1<<18],n,a[1<<18];\n\nint nw,mxx,lmxx,sa,sb,st;\n\nstruct data{\n\n int v;\n\n int nm;\n\n bool operator ==(const data &x)const{\n\n return this->v==x.v&&this->nm==x.nm;\n\n }\n\n}lst[40],mx[1<<18][2];\n\ninline bool cmp(const data &x,const data &y){\n\n return x.v>y.v;\n\n}\n\n//\u5904\u7406\u7b2ck\u4e2a\u6570\uff0c\u5b83\u7684\u6700\u5927\u503c\u548c\u6b21\u5927\u503c\u3002 \n\nint wrk(int k){\n\n nw=0,mxx=0,lmxx=0,sa=-1,sb=-1,st=0;\n\n lst[++st]=(data){a[k],k};\n\n for(int i=0;(1<<i)<=k;++i){\n\n if((k>>i)&1){\n\n nw=k^(1<<i);\n\n }else{\n\n continue;\n\n }\n\n lst[++st]=mx[nw][0];\n\n lst[++st]=mx[nw][1];\n\n }\n\n sort(lst+1,lst+1+st,cmp);\n\n unique(lst+1,lst+1+st);\n\n mx[k][0]=lst[1],mx[k][1]=lst[2];\n\n return mx[k][0].v+mx[k][1].v;\n\n}\n\nvoid init(){\n\n scanf(\"%d\",&n);\n\n const int MAX=1<<n;\n\n for(int i=0;i<MAX;++i){\n\n scanf(\"%d\",&a[i]);\n\n }\n\n f[0]=0,mx[0][0].v=a[0],mx[0][1].v=0,mx[0][0].nm=0,mx[0][1].nm=-1;\n\n for(int k=1;k<MAX;++k){\n\n f[k]=wrk(k);\n\n f[k]=Max(f[k],f[k-1]);\n\n printf(\"%d\\n\",f[k]);\n\n }\n\n}\n\nint main(){\n\n init();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003571"}257{"label": "pie_cpp_test_003572", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 553, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 553, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003572.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003572", "task_path": "tasks/test/pie_cpp_test_003572.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(0);\n\n\n\n int n;\n\n cin >> n;\n\n\n\n vector<ll> data(1 << n);\n\n for(int i = 0; i < (1 << n); ++i)\n\n cin >> data[i];\n\n\n\n ll f, s, best = 0;\n\n for(int msk = 1; msk < (1 << n); ++msk){\n\n f = 0, s = -1;\n\n for(int sub = msk; sub > 0; sub = msk & (sub - 1)){\n\n if(data[sub] > data[f]){\n\n s = f;\n\n f = sub;\n\n continue;\n\n }\n\n if(s == -1 || (sub != f && data[sub] > data[s]))\n\n s = sub;\n\n }\n\n best = max(best, data[f] + data[s]);\n\n cout << best << \"\\n\";\n\n }\n\n\n\n return 0;\n\n}//RUL0\n```", "split": "test", "task_id": "pie_cpp_test_003572"}258{"label": "pie_cpp_test_003573", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 93, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 93, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003573.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003573", "task_path": "tasks/test/pie_cpp_test_003573.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n/*alurquiza*/\n\n//\n\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nconst int SIZE = 18,SIZE2 = 1 << SIZE;\n\nint DP[SIZE2];\n\nint MAX[SIZE2][4];\n\nvector<int> V(SIZE2);\n\n\n\nbool comp(const int &a,const int &b){\n\n if(a == -1)\n\n return false;\n\n if(b == -1)\n\n return true;\n\n\n\n if(V[a] >= V[b])\n\n return true;\n\n return false;\n\n}\n\n\n\nvoid join(int mask,int smask){\n\n MAX[mask][2] = MAX[smask][0];\n\n MAX[mask][3] = MAX[smask][1];\n\n\n\n int N = 4;\n\n stable_sort(MAX[mask],MAX[mask] + N);\n\n N = unique(MAX[mask],MAX[mask] + N) - MAX[mask];\n\n\n\n stable_sort(MAX[mask],MAX[mask] + N,comp);\n\n}\n\n\n\nint main()\n\n{\n\n// ios_base::sync_with_stdio(0);\n\n// cin.tie(0); cout.tie(0);\n\n\n\n// freopen(\".in\",\"r\",stdin);\n\n// freopen(\"F.out\",\"w\",stdout);\n\n\n\n int N;\n\n cin >> N;\n\n\n\n for(int i = 0;i < (1 << N);i++)\n\n cin >> V[i];\n\n\n\n for(int mask = 0;mask < (1 << N);mask++){\n\n MAX[mask][0] = mask;\n\n MAX[mask][1] = -1;\n\n\n\n for(int i = 0;(1 << i) <= mask;i++){\n\n if((1 << i) & mask){\n\n int nmask = mask ^ (1 << i);\n\n join(mask,nmask);\n\n }\n\n }\n\n if(MAX[mask][1] != -1)\n\n DP[mask] = V[MAX[mask][1]];\n\n DP[mask] += V[MAX[mask][0]];\n\n }\n\n\n\n for(int i = 1;i < (1 << N);i++){\n\n DP[i] = max(DP[i],DP[i - 1]);\n\n cout << DP[i] << '\\n';\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003573"}259{"label": "pie_cpp_test_003574", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 147, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 147, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003574.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003574", "task_path": "tasks/test/pie_cpp_test_003574.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nconst int maxN = 18;\n\nconst int maxM = 1 << maxN;\n\n\n\nint N, M;\n\nint A[maxM];\n\nint f[maxM];\n\nint g[maxM];\n\nint h[maxM][maxN];\n\n\n\nint main() {\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(nullptr);\n\n\tcout.tie(nullptr);\n\n\n\n\tcin >> N;\n\n\tM = 1 << N;\n\n\tfor (int i = 0; i < M; i++)\n\n\t\tcin >> A[i];\n\n\n\n\tfor (int s = 0; s < M; s++) {\n\n\t\tg[s] = A[s];\n\n\t\tfor (int b = 0; b < N; b++) {\n\n\t\t\tif (s >> b & 1) {\n\n\t\t\t\tg[s] = max(g[s], g[s & ~(1 << b)]);\n\n\t\t\t\th[s][b] = max(h[s][b], A[s]);\n\n\t\t\t}\n\n\t\t\tfor (int c = 0; c < N; c++) {\n\n\t\t\t\tif (s >> c & 1)\n\n\t\t\t\t\th[s][b] = max(h[s][b], h[s & ~(1 << c)][b]);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\n\tfor (int s = 1; s < M; s++) {\n\n\t\tf[s] = max(f[s], f[s - 1]);\n\n\t\tfor (int b = 0; b < N; b++) {\n\n\t\t\tif (~s >> b & 1)\n\n\t\t\t\tcontinue;\n\n\t\t\tint t = s & ~(1 << b);\n\n\t\t\tf[s] = max(f[s], f[t]);\n\n\t\t\tf[s] = max(f[s], g[t] + h[s][b]);\n\n\t\t}\n\n\t}\n\n\n\n\tfor (int i = 1; i < M; i++)\n\n\t\tcout << f[i] << '\\n';\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003574"}260{"label": "pie_cpp_test_003575", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 82, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 82, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003575.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003575", "task_path": "tasks/test/pie_cpp_test_003575.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define loop(i, n) for(int i = 0;i < int(n);i++)\n\n#define rloop(i, n) for(int i = int(n);i >= 0;i--)\n\n#define range(i, a, b) for(int i = int(a);i <= int(b);i++)\n\n#define SZ(c) int(c.size())\n\n#define ALL(c) c.begin(), c.end()\n\n#define RALL(c) c.rbegin(), c.rend()\n\n#define PI acos(-1)\n\n#define pb push_back\n\n#define mp make_pair\n\n#define fr first\n\n#define sc second\n\n#define sfi1(v) scanf(\"%d\",&v)\n\n#define sfi2(v1, v2) scanf(\"%d %d\",&v1,&v2)\n\n#define sfi3(v1, v2, v3) scanf(\"%d %d %d\",&v1,&v2,&v3)\n\n#define sfll1(v) scanf(\"%I64d\",&v);\n\n#define sfll2(v1, v2) scanf(\"%I64d %I64d\",&v1,&v2)\n\n#define sfll3(v1, v2, v3) scanf(\"%I64d %I64d %I64d\",&v1,&v2,&v3)\n\n#define endl '\\n'\n\n\n\ntypedef vector<int> vi;\n\ntypedef vector<pair<int, int> > vii;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\n\n\nconst int MX = 1e9 + 5;\n\nconst int N = 18;\n\nconst int SZ = (1 << 18) + 5;\n\nint dp[N + 2][SZ][2];\n\nint arr[SZ];\n\nint n;\n\n\n\nint solve(int idx, int msk, int have) {\n\n if (idx == -1) {\n\n if (have == 1)return arr[msk];\n\n return -MX;\n\n }\n\n\n\n int &ret = dp[idx][msk][have];\n\n if (~ret)return ret;\n\n\n\n if ((msk >> idx) & 1) {\n\n if (have == 1) {\n\n ret = max(solve(idx - 1, msk - (1 << idx), have), solve(idx - 1, msk, have));\n\n } else {\n\n ret = solve(idx - 1, msk, have);\n\n ret = max(ret, solve(idx - 1, msk - (1 << idx), have));\n\n ret = max(ret, solve(idx - 1, msk - (1 << idx), 1) + solve(idx - 1, msk, 1));\n\n }\n\n } else {\n\n ret = solve(idx - 1, msk, have);\n\n }\n\n\n\n return ret;\n\n}\n\n\n\nint main() {\n\n\n\n#ifndef ONLINE_JUDGE\n\n// freopen(\"in.in\", \"r\", stdin);\n\n //freopen(\"out.in\", \"w\", stdout);\n\n#endif\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(0);\n\n cout.tie(0);\n\n\n\n cin >> n;\n\n loop(i, (1 << n)) {\n\n cin >> arr[i];\n\n }\n\n\n\n int mx = 0;\n\n memset(dp, -1, sizeof dp);\n\n range(i, 1, (1 << n) - 1) {\n\n mx = max(mx, solve(n - 1, i, 2));\n\n cout << mx << endl;\n\n }\n\n\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003575"}261{"label": "pie_cpp_test_003576", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 645, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 645, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003576.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003576", "task_path": "tasks/test/pie_cpp_test_003576.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <set>\n\nusing namespace std;\n\ntypedef pair<int, int> P;\n\n\n\nint n,a[(1<<18)];\n\nP p[(1<<18)];\n\n\n\nP g(P x, P y){\n\n set<P> s;\n\n s.insert(P(-a[x.first], x.first));\n\n s.insert(P(-a[x.second], x.second));\n\n s.insert(P(-a[y.first], y.first));\n\n s.insert(P(-a[y.second], y.second));\n\n auto itr=s.begin();\n\n P r=P(0, 0);\n\n r.first=(*itr).second;\n\n itr++;\n\n r.second=(*itr).second;\n\n return r;\n\n}\n\n\n\nP f(int x){\n\n if(p[x].first>=0)return p[x];\n\n int b=0;\n\n for(int i=0;i<n;i++){\n\n if(((x>>i)&1)==1){\n\n b++;\n\n }\n\n }\n\n if(b==0)return P(0, 0);\n\n if(b==1)return P(x, 0);\n\n P r=P(x, 0);\n\n for(int i=0;i<n;i++){\n\n if(((x>>i)&1)==1){\n\n P t=f(x-(1<<i));\n\n r=g(r, t);\n\n }\n\n }\n\n return p[x]=r;\n\n}\n\nint main(void){\n\n cin>>n;\n\n for(int i=0;i<(1<<n);i++){\n\n cin>>a[i];\n\n p[i]=P(-1, 0);\n\n }\n\n int z=0;\n\n for(int i=1;i<(1<<n);i++){\n\n P q=f(i);\n\n //cout << i << \" : \" << q.first << \", \" << q.second << endl;\n\n int x=a[q.first]+a[q.second];\n\n z=max(z, x);\n\n cout << z << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003576"}262{"label": "pie_cpp_test_003577", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 689, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 689, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003577.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003577", "task_path": "tasks/test/pie_cpp_test_003577.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n/* blog: https://misteer.hatenablog.com/entry/ARC100-E */\n\n\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n\n\nusing Int = long long int;\n\ntemplate <class T>\n\nusing Vector = std::vector<T>;\n\n\n\nint main() {\n\n Int n;\n\n std::cin >> n;\n\n Int m = (1 << n);\n\n\n\n Vector<Int> a(m);\n\n for (auto& x : a) std::cin >> x;\n\n\n\n Vector<Vector<Int>> max(m);\n\n max[0] = {0};\n\n // k\u306e\u90e8\u5206bit\u5168\u4f53\u3067\u3001a\u304c\u5927\u304d\u3044\u65b9\u304b\u30892\u3064(0\u3060\u30511\u3064)\n\n\n\n Int ans = 0;\n\n for (Int k = 1; k < m; ++k) {\n\n auto& idx = max[k];\n\n idx.push_back(k);\n\n\n\n // k\u304b\u3089bit\u30921\u3064\u3060\u3051\u4e0b\u308d\u3057\u305fl\u306b\u3064\u3044\u3066\u3001max[l]\u3092\u30de\u30fc\u30b8\n\n for (Int i = 0; i < n; ++i) {\n\n if ((k >> i) & 1) {\n\n Int l = k - (1 << i);\n\n for (auto x : max[l]) {\n\n idx.push_back(x);\n\n }\n\n }\n\n }\n\n\n\n // a[i]\u306e\u5927\u304d\u3055\u306b\u3088\u3063\u3066\u30bd\u30fc\u30c8\n\n // \u5f8c\u3067unique\u3067\u91cd\u8907\u3092\u6d88\u3059\u305f\u3081\u3001a[i]\u304c\u540c\u3058\u5834\u5408\u306fi\u306b\u3064\u3044\u3066\u30bd\u30fc\u30c8\n\n std::sort(idx.begin(), idx.end(), [&](Int i, Int j) {\n\n return (a[i] == a[j] ? i < j : a[i] > a[j]);\n\n });\n\n\n\n // \u91cd\u8907\u3092\u6d88\u3057\u3066\u5927\u304d\u3044\u65b9\u304b\u30892\u3064\u3092\u6b8b\u3059\n\n idx.erase(std::unique(idx.begin(), idx.end()), idx.end());\n\n idx.resize(2);\n\n\n\n ans = std::max(ans, a[idx[0]] + a[idx[1]]);\n\n std::cout << ans << std::endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003577"}263{"label": "pie_cpp_test_003578", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 222, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 222, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003578.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003578", "task_path": "tasks/test/pie_cpp_test_003578.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define debug(x) cout << #x << \" = \" << x << endl\n\n#define fori(i, ini, lim) for(int i = int(ini); i < int(lim); i++)\n\n#define ford(i, ini, lim) for(int i = int(ini); i >= int(lim); i--)\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef pair<int, int> ii;\n\n\n\nconst int MAX = 18;\n\nint arr[1 << MAX], max_subset[1 << MAX];\n\nint n;\n\n\n\nint main() {\n\n\tscanf(\"%d\", &n);\n\n\tfori(i, 0, 1 << n) {\n\n\t\tscanf(\"%d\", arr + i);\n\n\t}\n\n\n\n\tint best = 0;\n\n\tfori(mask, 1, 1 << n) {\n\n\t\tint cur_best = arr[mask];\n\n\t\tfor(int sub = (mask - 1) & mask; sub > 0; sub = (sub - 1) & mask) {\n\n\t\t\tbest = max(best, cur_best + arr[sub]);\n\n\t\t\tcur_best = max(cur_best, arr[sub]);\n\n\t\t}\n\n\t\tbest = max(best, cur_best + arr[0]);\n\n\t\tprintf(\"%d\\n\", best);\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003578"}264{"label": "pie_cpp_test_003579", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 99, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 99, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003579.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003579", "task_path": "tasks/test/pie_cpp_test_003579.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <cstring>\n\n#include<queue>\n\n#include<algorithm>\n\nusing namespace std;\n\nconst int maxn = 1e6+5;\n\nint n;\n\nint pre[maxn];\n\nint main() {\n\n cin>>n;\n\n for(int i=0;i<(1<<n);i++){\n\n scanf(\"%d\",&pre[i]);\n\n\t}\n\n\tint ans=0;\n\n\tfor(int i=1;i<(1<<n);i++){\n\n \tint s1=pre[0],s2=0;\n\n \tfor(int j=i;j!=0;j=(j-1)&i){\n\n \t if (pre[j]>s1) {\n\n\t\t\t\ts2=s1;\n\n\t\t\t\ts1=pre[j];\n\n\t\t\t}\n\n \t else if(pre[j]>s2) s2=pre[j]; \n\n \t}\n\n \tans=max(ans,s1+s2);\n\n \tprintf(\"%d\\n\", ans);\n\n } \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003579"}265{"label": "pie_cpp_test_003580", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 195, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 195, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003580.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003580", "task_path": "tasks/test/pie_cpp_test_003580.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n#define fi first\n\n#define se second\n\n#define IOS ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)\n\n#define endl '\\n'\n\n#define ld long double\n\n#define mid (l+r)/2\n\ntypedef pair<int,int> pii;\n\nconst int maxn=(1<<18)+5;\n\nint a[maxn];\n\nint ans[maxn],mx[maxn];\n\nint tot;\n\nvoid calc(int id,int n)\n\n{\n\n for(int i=id;i<=n;i=((i+1)|id))\n\n {\n\n ans[i]=max(ans[i],mx[i]+a[id]);\n\n mx[i]=max(mx[i],a[id]);\n\n ++tot;\n\n }\n\n}\n\nint main()\n\n{\n\n #ifdef local\n\n freopen(\"in.txt\",\"r\",stdin);\n\n #endif\n\n IOS;\n\n int n;\n\n cin>>n;\n\n int m=(1<<n)-1;\n\n for(int i=0;i<=m;i++) cin>>a[i];\n\n for(int i=0;i<=m;i++) calc(i,m);\n\n for(int i=1;i<=m;i++)\n\n {\n\n ans[i]=max(ans[i],ans[i-1]);\n\n cout<<ans[i]<<endl;\n\n }\n\n //cout<<tot<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003580"}266{"label": "pie_cpp_test_003581", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 84, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 84, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003581.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003581", "task_path": "tasks/test/pie_cpp_test_003581.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nconst int maxn = (1<<18) + 5;\n\nint n;\n\nint a[maxn];\n\nint x[maxn][2];\n\nint num[maxn][2];\n\n\n\nint main() {\n\n\tcin >> n;\n\n\tfor (int i = 0; i < (1<<n); ++i)\n\n\t\tcin >> a[i];\n\n\tmemset(x, 0, sizeof(x));\n\n\tmemset(num, 0, sizeof(num));\n\n\tfor (int i = 1; i < (1<<n); i <<= 1)\n\n\t\tif (x[i][0] < a[0]) {\n\n\t\t\tx[i][0] = a[0];\n\n\t\t\tnum[i][0] = 0;\n\n\t\t}\n\n\t\telse if (x[i][1] < a[0]){\n\n\t\t\tx[i][1] = a[0];\n\n\t\t\tnum[i][1] = 0;\n\n\t\t}\n\n\tint last = 0;\n\n\tfor (int i = 1; i < (1<<n); ++i) {\n\n\t\tif (a[i] > x[i][0]) {\n\n\t\t\tswap(x[i][0], x[i][1]);\n\n\t\t\tswap(num[i][0], num[i][1]);\n\n\t\t\tx[i][0] = a[i];\n\n\t\t\tnum[i][0] = i;\n\n\t\t}\n\n\t\telse if (a[i] > x[i][1]) {\n\n\t\t\tx[i][1] = a[i];\n\n\t\t\tnum[i][1] = i;\n\n\t\t}\n\n\t\tlast = max(last, x[i][0]+x[i][1]);\n\n\t\tprintf(\"%d\\n\", last);\n\n\t\tfor (int j = 1; j < (1<<n); j <<= 1) {\n\n\t\t\tif (x[i|j][0] < x[i][0]) {\n\n\t\t\t\tswap(x[i|j][0], x[i|j][1]);\n\n\t\t\t\tswap(num[i|j][0], num[i|j][1]);\n\n\t\t\t\tx[i|j][0] = x[i][0];\n\n\t\t\t\tnum[i|j][0] = num[i][0];\n\n\t\t\t\tif (x[i|j][1] < x[i][1] && num[i|j][1] != num[i][1]) {\n\n\t\t\t\t\tx[i|j][1] = x[i][1];\n\n\t\t\t\t\tnum[i|j][1] = num[i][1];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\telse if (x[i|j][1] < x[i][0] && num[i|j][0] != num[i][0]) {\n\n\t\t\t\tx[i|j][1] = x[i][0];\n\n\t\t\t\tnum[i|j][1] = num[i][0];\n\n\t\t\t}\n\n\t\t\telse if (x[i|j][1] < x[i][1]) {\n\n\t\t\t\tx[i|j][1] = x[i][1];\n\n\t\t\t\tnum[i|j][1] = num[i][1];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003581"}267{"label": "pie_cpp_test_003582", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 699, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 699, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003582.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003582", "task_path": "tasks/test/pie_cpp_test_003582.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//I read the news today, oh boy\n\n//About a lucky man who made the grade\n\n \n\n#include <bits/stdc++.h>\n\n#define ff first\n\n#define ss second\n\n#define pb push_back\n\n#define mp make_pair\n\n#define sz(x) ll((x).size())\n\n#define all(v) (v).begin(),(v).end()\n\n#define trace(x) cerr << #x << \" = \" << x << endl\n\n#define fastio ios_base::sync_with_stdio(0);cin.tie(0)\n\n#define For(i,a,b) for(ll i = ll(a); i < ll(b); ++i)\n\n#define roF(i,a,b) for(ll i = ll(a); i >= ll(b); i--)\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> ii;\n\ntypedef vector<ll> vi;\n\ntypedef vector<ii> vii;\n\n\n\nconst ll N=1<<19;\n\n\n\nint n;\n\nll a[N];\n\nll dp[N];\n\nll may, may2;\n\n\n\nint V[N];\n\nint tam;\n\n\n\nvoid getsubmasks(int mask, int i = 0, int sub=0){\n\n\tif(i==tam){\n\n\t\tif(a[sub]>may){\n\n\t\t\tmay2=may;\n\n\t\t\tmay=a[sub];\n\n\t\t}else if(a[sub]>may2) may2=a[sub];\n\n\t\treturn;\n\n\t}\n\n\tgetsubmasks(mask, i+1, sub);\n\n\tgetsubmasks(mask, i+1, sub | (1<<V[i]));\n\n}\n\n\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tint tot= 1<<n;\n\n\tFor(i,0,tot) scanf(\"%lld\",&a[i]);\n\n\tFor(msk,1,tot){\n\n\t\ttam=0;\n\n\t\tFor(j,0,n)\n\n\t\t\tif((msk>>j)&1) V[tam++]=j;\n\n\t\tmay = -1;\n\n\t\tmay2=-1;\n\n\t\tgetsubmasks(msk);\n\n\t\tdp[msk] = may+may2;\n\n\t}\n\n\tFor(i,1,tot){\n\n\t\tdp[i]=max(dp[i],dp[i-1]);\n\n\t\tprintf(\"%lld\\n\",dp[i]);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003582"}268{"label": "pie_cpp_test_003583", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 182, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 182, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003583.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003583", "task_path": "tasks/test/pie_cpp_test_003583.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <vector>\n\n#include <deque>\n\n#include <queue>\n\n#include <array>\n\n#include <set>\n\n#include <map>\n\n#include <cmath>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <utility>\n\n#include <tuple>\n\n#include <functional>\n\n#include <bitset>\n\n#include <cstdint>\n\n#include <cassert>\n\n#include <random>\n\n\n\nusing namespace std;\n\nusing i64 = int64_t;\n\nusing i32 = int32_t;\n\ntemplate<class T, class U> void init_n(vector<T>& v, size_t n, U x) \n\n{ v = vector<T>(n, x); }\n\ntemplate<class T> void init_n(vector<T>& v, size_t n) { init_n(v, n, T()); }\n\ntemplate<class T> void read_n(vector<T>& v, size_t n, size_t o = 0) \n\n{ v = vector<T>(n+o); for (size_t i=o; i<n+o; ++i) cin >> v[i]; }\n\ntemplate<class T> void read_n(T a[], size_t n, size_t o = 0)\n\n{ for (size_t i=o; i<n+o; ++i) cin >> a[i]; }\n\ntemplate<class T> T gabs(const T& x) { return max(x, -x); }\n\n#define abs gabs\n\n\n\ni64 n;\n\nvector<i64> a, b;\n\nint main() {\n\n cin >> n;\n\n read_n(a, 1 << n);\n\n init_n(b, 1 << n);\n\n i64 m = 1 << n;\n\n\n\n for (i64 e = 1; e < m; e <<= 1) {\n\n for (i64 s = 0; s < m; ++s) {\n\n if (!(e & s)) {\n\n i64 t = e | s;\n\n b[t] = max(b[t], a[s]);\n\n if (a[t] < b[t]) swap(a[t], b[t]);\n\n b[t] = max(b[t], b[s]);\n\n }\n\n }\n\n }\n\n\n\n i64 ans = 0;\n\n for (i64 k = 1; k < m; ++k) {\n\n ans = max(ans, a[k] + b[k]);\n\n cout << ans << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003583"}269{"label": "pie_cpp_test_003584", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 44, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 44, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003584.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003584", "task_path": "tasks/test/pie_cpp_test_003584.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define rep1(i, n) for(int i = 1; i <= (n); i++)\n\n#define co(x) cout << (x) << \"\\n\"\n\n#define cosp(x) cout << (x) << \" \"\n\n#define ce(x) cerr << (x) << \"\\n\"\n\n#define cesp(x) cerr << (x) << \" \"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define Would\n\n#define you\n\n#define please\n\n\n\nint BIT[1000000];\n\nvoid add(int A, int B) {\n\n\twhile (A <= 1000000) {\n\n\t\tBIT[A] = max(BIT[A], B);\n\n\t\tA += A & -A;\n\n\t}\n\n}\n\n\n\nint query(int A) {\n\n\tint kotae = 0;\n\n\twhile (A > 0) {\n\n\t\tkotae = max(kotae, BIT[A]);\n\n\t\tA -= A & -A;\n\n\t}\n\n\treturn kotae;\n\n}\n\n\n\nint N;\n\nint B[1000000];\n\npair<pair<int, int>, pair<int, int>> memo[1000000];\n\npair<pair<int, int>, pair<int, int>> keisan(int A) {\n\n\tif (memo[A].first.first != 0) return memo[A];\n\n\tif (A == 0) memo[0] = mp(mp(B[0], 0), mp(0, 0));\n\n\telse {\n\n\t\tset<pair<int, int>> V;\n\n\t\tV.insert(mp(B[A], A));\n\n\t\trep(i, N) {\n\n\t\t\tif (A >> i & 1) {\n\n\t\t\t\tauto p = keisan(A - (1 << i));\n\n\t\t\t\tV.insert(p.first);\n\n\t\t\t\tV.insert(p.second);\n\n\t\t\t}\n\n\t\t}\n\n\t\tmemo[A] = mp(*(--V.end()), *(--(--V.end())));\n\n\t}\n\n\treturn memo[A];\n\n}\n\n\n\n\n\nint main() {\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\n\n\tcin >> N;\n\n\trep(i, 1 << N) cin >> B[i];\n\n\n\n\trep1(i, (1 << N) - 1) {\n\n\t\tauto p = keisan(i);\n\n\t\tadd(i, p.first.first + p.second.first);\n\n\t\tco(query(i));\n\n\t}\n\n\n\n\tWould you please return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003584"}270{"label": "pie_cpp_test_003585", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003585.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003585", "task_path": "tasks/test/pie_cpp_test_003585.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//\u304a\u52c9\u5f37\u4e2d\n\n\n\n//#include<bits/stdc++.h>\n\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define rep1(i, n) for(int i = 1; i <= (n); i++)\n\n#define co(x) cout << (x) << \"\\n\"\n\n#define cosp(x) cout << (x) << \" \"\n\n#define ce(x) cerr << (x) << \"\\n\"\n\n#define cesp(x) cerr << (x) << \" \"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define Would\n\n#define you\n\n#define please\n\n\n\nconst int cm = 1 << 17;\n\nchar cn[cm], * ci = cn + cm, ct;\n\ninline char getcha() {\n\n\tif (ci - cn == cm) { fread(cn, 1, cm, stdin); ci = cn; }\n\n\treturn *ci++;\n\n}\n\ninline int getint() {\n\n\tint A = 0;\n\n\tif (ci - cn + 16 > cm) while ((ct = getcha()) >= '0') A = A * 10 + ct - '0';\n\n\telse while ((ct = *ci++) >= '0') A = A * 10 + ct - '0';\n\n\treturn A;\n\n}\n\n\n\nint main() {\n\n\t//cin.tie(0);\n\n\t//ios::sync_with_stdio(false);\n\n\n\n\n\n\tint N = getint();\n\n\tint n = 1 << N;\n\n\tint dp1[1 << 18], dp2[1 << 18];\n\n\trep(i, n) {\n\n\t\tdp1[i] = getint();\n\n\t\tdp2[i] = 0;\n\n\t}\n\n\n\n\trep(k, N) {\n\n\t\tint m = 1 << k;\n\n\t\tint m2 = ~(1 << k);\n\n\t\tfor (int j = n - 1 & m2; j >= 0; j = j - 1 & m2) {\n\n\t\t\tint i = j | m;\n\n\t\t\tint k = min(dp1[i], dp1[j]);\n\n\t\t\tdp1[i] = max(dp1[i], dp1[j]);\n\n\t\t\tdp2[i] = max(dp2[i], k);\n\n\t\t\tdp2[i] = max(dp2[i], dp2[j]);\n\n\t\t}\n\n\t}\n\n\n\n\tint saidai = 0;\n\n\trep1(i, n - 1) {\n\n\t\tsaidai = max(saidai, dp1[i] + dp2[i]);\n\n\t\tprintf(\"%d\\n\", saidai);\n\n\t}\n\n\n\n\tWould you please return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003585"}271{"label": "pie_cpp_test_003586", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 23, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 23, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003586.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003586", "task_path": "tasks/test/pie_cpp_test_003586.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//#include<bits/stdc++.h>\n\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define rep1(i, n) for(int i = 1; i <= (n); i++)\n\n#define co(x) cout << (x) << \"\\n\"\n\n#define cosp(x) cout << (x) << \" \"\n\n#define ce(x) cerr << (x) << \"\\n\"\n\n#define cesp(x) cerr << (x) << \" \"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define Would\n\n#define you\n\n#define please\n\n\n\nconst int cm = 1 << 17;\n\nchar cn[cm], * ci = cn + cm, ct;\n\ninline char getcha() {\n\n\tif (ci - cn == cm) { fread(cn, 1, cm, stdin); ci = cn; }\n\n\treturn *ci++;\n\n}\n\ninline int getint() {\n\n\tint A = 0;\n\n\tif (ci - cn + 16 > cm) while ((ct = getcha()) >= '0') A = A * 10 + ct - '0';\n\n\telse while ((ct = *ci++) >= '0') A = A * 10 + ct - '0';\n\n\treturn A;\n\n}\n\n\n\nconst int dm = 1 << 22;\n\nchar dn[dm], * di = dn;\n\nchar C[10];\n\nint keta = 0;\n\ninline void putint(int X) {\n\n\tketa = 0;\n\n\twhile (X) {\n\n\t\t*(C + keta) = '0' + X % 10;\n\n\t\tX /= 10;\n\n\t\tketa++;\n\n\t}\n\n\tfor (int i = keta - 1; i >= 0; i--)* di++ = (*(C + i));\n\n\t*di++ = '\\n';\n\n}\n\ninline void putmae() {\n\n\tfor (int i = keta - 1; i >= 0; i--)* di++ = (*(C + i));\n\n\t*di++ = '\\n';\n\n}\n\n\n\nint main() {\n\n\t//cin.tie(0);\n\n\t//ios::sync_with_stdio(false);\n\n\n\n\n\n\tint N = getint();\n\n\tint n = 1 << N;\n\n\tint dp1[1 << 18], dp2[1 << 18];\n\n\trep(i, n) {\n\n\t\tdp1[i] = getint();\n\n\t\tdp2[i] = 0;\n\n\t}\n\n\n\n\trep(k, N) {\n\n\t\tint d = 1 << k;\n\n\t\tint m = ~d;\n\n\t\tfor (int i = n - 1; i >= 0; ) {\n\n\t\t\tif (i >> k & 1) {\n\n\t\t\t\tint j = i & m;\n\n\t\t\t\tint k = min(dp1[i], dp1[j]);\n\n\t\t\t\tdp1[i] = max(dp1[i], dp1[j]);\n\n\t\t\t\tdp2[i] = max(dp2[i], k);\n\n\t\t\t\tdp2[i] = max(dp2[i], dp2[j]);\n\n\t\t\t\ti--;\n\n\t\t\t}\n\n\t\t\telse i -= d;\n\n\t\t}\n\n\t}\n\n\n\n\tint saidai = 0;\n\n\trep1(i, n - 1) {\n\n\t\tif (saidai < dp1[i] + dp2[i]) {\n\n\t\t\tsaidai = dp1[i] + dp2[i];\n\n\t\t\tputint(saidai);\n\n\t\t}\n\n\t\telse putmae();\n\n\t}\n\n\tfwrite(dn, 1, di - dn, stdout);\n\n\n\n\tWould you please return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003586"}272{"label": "pie_cpp_test_003587", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 103, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 103, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003587.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003587", "task_path": "tasks/test/pie_cpp_test_003587.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#define _USE_MATH_DEFINES\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n// #define int long long\n\n// #define double long double\n\n#define rep(i,n) for (int i=0; i<(int)(n); ++i)\n\n#define rep1(i,n) for (int i=1; i<(int)(n); ++i)\n\n#define repeq(i,n) for (int i=0; i<=(int)(n); ++i)\n\n#define rep1eq(i,n) for (int i=1; i<=(int)(n); ++i)\n\n#define rrep(i,n) for (int i=(int)(n)-1; i>=0; --i)\n\n#define rrep1(i,n) for (int i=(int)(n)-1; i>0; --i)\n\n#define rrepeq(i,n) for (int i=(int)(n); i>=0; --i)\n\n#define rrep1eq(i,n) for (int i=(int)(n); i>0; --i)\n\n#define REP(i,a,b) for (int i=(int)(a); i<=(int)(b); ++i)\n\n#define RREP(i,a,b) for (int i=(int)(a); i>=(int)(b); --i)\n\n#define ALL(a) (a).begin(), (a).end()\n\n#define RALL(a) (a).rbegin(), (a).rend()\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vl = vector<ll>;\n\nusing vb = vector<bool>;\n\ntemplate<typename T> using Graph = vector<vector<T>>;\n\ntemplate<typename T> using Spacial = vector<vector<vector<T>>>;\n\nusing pii = pair<int, int>;\n\nusing pll = pair<ll, ll>;\n\nstring interval[2] = {\" \", \"\\n\"}; // {\" \", \"\\n\"}\n\nconst int MOD = 1e9+7;\n\nconst int MOD2 = 998244353;\n\n// const double EPS = 1e-9;\n\nconst int dx[4] = {1, 0, -1, 0};\n\nconst int dy[4] = {0, 1, 0, -1};\n\n\n\ntemplate<typename T> struct is_plural : false_type{};\n\ntemplate<typename T1, typename T2> struct is_plural<pair<T1, T2>> : true_type{};\n\ntemplate<typename T> struct is_plural<vector<T>> : true_type{};\n\ntemplate<typename T> struct is_plural<complex<T>> : true_type{};\n\n\n\ntemplate<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { return is >> p.first >> p.second; }\n\ntemplate<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { return os << p.first << \" \" << p.second; }\n\ntemplate<typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto itr = vec.begin(); itr != vec.end(); ++itr) is >> *itr; return is; }\n\ntemplate<typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { if (vec.empty()) return os; bool pl = is_plural<T>(); os << vec.front(); for (auto itr = ++vec.begin(); itr != vec.end(); ++itr) os << interval[pl] << *itr; return os; }\n\n\n\nbool CoutYN(bool a, string y = \"Yes\", string n = \"No\") { cout << (a ? y : n) << \"\\n\"; return a; }\n\n\n\ntemplate<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }\n\ntemplate<typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }\n\n\n\nint modpow(int a, long long n, int mod = MOD) { int ret = 1; do { if (n & 1) ret = 1LL * ret * a % mod; a = 1LL * a * a % mod; } while (n >>= 1); return ret; }\n\n\n\ntemplate<typename T> T GCD(T a, T b) { return b ? GCD(b, a%b) : a; }\n\ntemplate<typename T> T LCM(T a, T b) { return a / GCD(a, b) * b; }\n\n\n\ntemplate<typename T1, typename T2> bool CompareBySecond(pair<T1, T2> a, pair<T1, T2> b) { return a.second != b.second ? a.second < b.second : a.first < b.first; }\n\n// counterclockwise from 12 o'clock direction\n\ntemplate<typename T> bool CompareBySlope(pair<T, T> a, pair<T, T> b) { if (a.first * b.first < 0) return a.first < b.first; if (a.first == 0) return a.second >= 0 || b.first > 0; if (b.first == 0) return b.second < 0 && a.first < 0; return a.second * b.first < a.first * b.second; }\n\n\n\n\n\n/* -------- <templates end> -------- */\n\n\n\n\n\nvoid solve() {\n\n int n; cin >> n;\n\n int sz = (1<<n);\n\n vi arr(sz); cin >> arr;\n\n arr.emplace_back(0);\n\n Graph<int> nums(sz, vi(2, sz));\n\n nums[0][0] = 0;\n\n int ans = 0;\n\n rep1(i,sz) {\n\n multimap<int, int> val;\n\n set<int> idx;\n\n val.emplace(arr[i], i);\n\n idx.emplace(i);\n\n rep(j,n) {\n\n if ((i>>j)&1) {\n\n int k = i - (1<<j);\n\n rep(l,2) {\n\n if (!idx.count(nums[k][l])) {\n\n val.emplace(arr[nums[k][l]], nums[k][l]);\n\n idx.emplace(nums[k][l]);\n\n }\n\n }\n\n }\n\n }\n\n auto itr = val.rbegin();\n\n int tmp = itr->first;\n\n nums[i][0] = itr->second;\n\n ++itr;\n\n tmp += itr->first;\n\n nums[i][1] = itr->second;\n\n chmax(ans, tmp);\n\n cout << ans << \"\\n\";\n\n }\n\n}\n\n\n\n\n\n/* -------- <programs end> -------- */\n\n\n\n\n\nsigned main() {\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n cout << fixed << setprecision(12);\n\n solve();\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003587"}273{"label": "pie_cpp_test_003588", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 149, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 149, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003588.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003588", "task_path": "tasks/test/pie_cpp_test_003588.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string.h>\n\nusing namespace std;\n\ntemplate<class T> inline void YES(T condition){ if(condition) cout << \"YES\" << endl; else cout << \"NO\" << endl; }\n\ntemplate<class T> inline void Yes(T condition){ if(condition) cout << \"Yes\" << endl; else cout << \"No\" << endl; }\n\ntemplate<class T> inline void POSS(T condition){ if(condition) cout << \"POSSIBLE\" << endl; else cout << \"IMPOSSIBLE\" << endl; }\n\ntemplate<class T> inline void Poss(T condition){ if(condition) cout << \"Possible\" << endl; else cout << \"Impossible\" << endl; }\n\ntemplate<class T> inline void First(T condition){ if(condition) cout << \"First\" << endl; else cout << \"Second\" << endl; }\n\nint character_count(string text, char character){ int ans = 0; for(int i = 0; i < text.size(); i++){ ans += (text[i] == character); } return ans; }\n\nlong power(long base, long exponent, long module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ long root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }}\n\nstruct position{ int y, x; }; position move_pattern[4] = {{-1, 0}, {0, 1}, {1, 0}, {0, -1}}; // double euclidean(position first, position second){ return sqrt((second.x - first.x) * (second.x - first.x) + (second.y - first.y) * (second.y - first.y)); }\n\ntemplate<class T, class U> string to_string(pair<T, U> x){ return to_string(x.first) + \",\" + to_string(x.second); }\n\ntemplate<class itr> void array_output(itr start, itr goal){ string ans; for(auto i = start; i != goal; i++){ ans += to_string(*i) + \" \"; } ans.pop_back(); cout << ans << endl; }\n\ntemplate<class T> T gcd(T a, T b){ if(a && b){ return gcd(min(a, b), max(a, b) % min(a, b)); }else{ return a; }} template<class T> T lcm(T a, T b){ return a / gcd(a, b) * b; }\n\n#define mod long(1e9 + 7)\n\n#define all(x) (x).begin(), (x).end()\n\n#define bitcount(n) __builtin_popcountl(long(n))\n\n\n\nint main(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int N;\n\n cin >> N;\n\n int M = (1 << N);\n\n long A[M];\n\n pair<long, long> maximum[N + 1][M];\n\n for(int i = 0; i < M; i++){\n\n cin >> A[i];\n\n maximum[0][i] = {A[i], 0};\n\n }\n\n for(int i = 0; i < N; i++){\n\n for(int j = 0; j < M; j++){\n\n if(j & (1 << i)){\n\n long nums[4] = {maximum[i][j].first, maximum[i][j].second, maximum[i][j & ~(1 << i)].first, maximum[i][j & ~(1 << i)].second};\n\n sort(nums, nums + 4, greater<long>());\n\n maximum[i + 1][j] = {nums[0], nums[1]};\n\n }else{\n\n maximum[i + 1][j] = maximum[i][j];\n\n }\n\n }\n\n }\n\n for(int i = 1; i < M; i++){\n\n long ans = maximum[N][i].first + maximum[N][i].second;\n\n for(int j = 0; j < N; j++){\n\n if(i & (1 << j)){\n\n int this_pattern = ((i & ~(1 << j)) | ((1 << j) - 1));\n\n ans = max(ans, maximum[N][this_pattern].first + maximum[N][this_pattern].second);\n\n }\n\n }\n\n cout << ans << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003588"}274{"label": "pie_cpp_test_003589", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 941, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 941, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003589.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003589", "task_path": "tasks/test/pie_cpp_test_003589.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define modulo 1000000007\n\n#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)\n\n#define Inf 1000000000\n\n\n\nint main(){\n\n\t\n\n\tint N;\n\n\tcin>>N;\n\n\t\n\n\tvector<long long> A(1<<N);\n\n\t\n\n\tlong long B = 1000000;\n\n\t\n\n\tfor(int i=0;i<(1<<N);i++){\n\n\t\tcin>>A[i];\n\n\t\tA[i]*=B;\n\n\t\tA[i]+=i;\n\n\t}\n\n\t\n\n\tvector<vector<pair<long long,long long>>> dp((1<<N),vector<pair<long long,long long>> (N+1));\n\n\t\n\n\tfor(int i=0;i<=N;i++){\n\n\t\tfor(int j=0;j<(1<<N);j++){\n\n\t\t\tif(i==0){\n\n\t\t\t\tdp[j][i] = make_pair(0,A[j]);\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tvector<long long> V;\n\n\t\t\t\tV.push_back(dp[j][i-1].first);\n\n\t\t\t\tV.push_back(dp[j][i-1].second);\n\n\t\t\t\tif((j>>(i-1))&1){\n\n\t\t\t\t\tV.push_back(dp[j&(~(1<<(i-1)))][i-1].first);\n\n\t\t\t\t\tV.push_back(dp[j&(~(1<<(i-1)))][i-1].second);\n\n\t\t\t\t}\n\n\t\t\t\tsort(V.rbegin(),V.rend());\n\n\t\t\t\tV.erase(unique(V.begin(),V.end()),V.end());\n\n\t\t\t\tdp[j][i].first = V[0];\n\n\t\t\t\tdp[j][i].second = V[1];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\tvector<long long> ans(1<<N);\n\n\t\n\n\tfor(int i=0;i<(1<<N);i++){\n\n\t\tans[i] = dp[i][N].first/B + dp[i][N].second/B;\n\n\t\tif(i!=0)ans[i] = max(ans[i],ans[i-1]);\n\n\t}\n\n\t\n\n\tfor(int i=1;i<(1<<N);i++){\n\n\t\tcout<<ans[i]<<endl;\n\n\t}\n\n\t\n\n\t\n\n\t\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003589"}275{"label": "pie_cpp_test_003590", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 600, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 600, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003590.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003590", "task_path": "tasks/test/pie_cpp_test_003590.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define modulo 1000000007\n\n#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)\n\n#define Inf 1000000000\n\n\n\nint main(){\n\n\t\n\n\tint N;\n\n\tcin>>N;\n\n\t\n\n\tvector<long long> A(1<<N);\n\n\t\n\n\tlong long B = 1000000;\n\n\t\n\n\tfor(int i=0;i<(1<<N);i++){\n\n\t\tscanf(\"%lld\",&A[i]);\n\n\t\tA[i]*=B;\n\n\t\tA[i]+=i;\n\n\t}\n\n\t\n\n\tvector<vector<pair<long long,long long>>> dp((1<<N),vector<pair<long long,long long>> (N+1));\n\n\t\n\n\tfor(int i=0;i<=N;i++){\n\n\t\tfor(int j=0;j<(1<<N);j++){\n\n\t\t\tif(i==0){\n\n\t\t\t\tdp[j][i] = make_pair(0,A[j]);\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tvector<long long> V;\n\n\t\t\t\tV.push_back(dp[j][i-1].first);\n\n\t\t\t\tV.push_back(dp[j][i-1].second);\n\n\t\t\t\tif((j>>(i-1))&1){\n\n\t\t\t\t\tV.push_back(dp[j&(~(1<<(i-1)))][i-1].first);\n\n\t\t\t\t\tV.push_back(dp[j&(~(1<<(i-1)))][i-1].second);\n\n\t\t\t\t}\n\n\t\t\t\tsort(V.rbegin(),V.rend());\n\n\t\t\t\tV.erase(unique(V.begin(),V.end()),V.end());\n\n\t\t\t\tdp[j][i].first = V[0];\n\n\t\t\t\tdp[j][i].second = V[1];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\tvector<long long> ans(1<<N);\n\n\t\n\n\tfor(int i=0;i<(1<<N);i++){\n\n\t\tans[i] = dp[i][N].first/B + dp[i][N].second/B;\n\n\t\tif(i!=0)ans[i] = max(ans[i],ans[i-1]);\n\n\t}\n\n\t\n\n\tfor(int i=1;i<(1<<N);i++){\n\n\t\tprintf(\"%lld\\n\",ans[i]);\n\n\t\t//cout<<ans[i]<<endl;\n\n\t}\n\n\t\n\n\t\n\n\t\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003590"}276{"label": "pie_cpp_test_003591", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 122, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 122, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003591.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003591", "task_path": "tasks/test/pie_cpp_test_003591.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define modulo 1000000007\n\n#define mod(mod_x) ((((long long)mod_x+modulo))%modulo)\n\n#define Inf 1000000000\n\n\n\nint main(){\n\n\t\n\n\tint N;\n\n\tcin>>N;\n\n\t\n\n\tvector<long long> A(1<<N);\n\n\t\n\n\tlong long B = 1000000;\n\n\t\n\n\tfor(int i=0;i<(1<<N);i++){\n\n\t\tscanf(\"%lld\",&A[i]);\n\n\t}\n\n\t\n\n\tvector<vector<pair<long long,long long>>> dp(2,vector<pair<long long,long long>> (1<<N));\n\n\t\n\n\tfor(int i=0;i<=N;i++){\n\n\t\tfor(int j=0;j<(1<<N);j++){\n\n\t\t\tif(i==0){\n\n\t\t\t\tdp[0][j] = make_pair(0,A[j]);\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tvector<long long> V;\n\n\t\t\t\tV.push_back(dp[1][j].first);\n\n\t\t\t\tV.push_back(dp[1][j].second);\n\n\t\t\t\tif((j>>(i-1))&1){\n\n\t\t\t\t\tV.push_back(dp[1][j&(~(1<<(i-1)))].first);\n\n\t\t\t\t\tV.push_back(dp[1][j&(~(1<<(i-1)))].second);\n\n\t\t\t\t}\n\n\t\t\t\tsort(V.rbegin(),V.rend());\n\n\t\t\t\t//V.erase(unique(V.begin(),V.end()),V.end());\n\n\t\t\t\tdp[0][j].first = V[0];\n\n\t\t\t\tdp[0][j].second = V[1];\n\n\t\t\t}\n\n\t\t}\n\n\t\tswap(dp[0],dp[1]);\n\n\t}\n\n\t\n\n\tvector<long long> ans(1<<N);\n\n\t\n\n\tfor(int i=0;i<(1<<N);i++){\n\n\t\tans[i] = dp[1][i].first + dp[1][i].second;\n\n\t\tif(i!=0)ans[i] = max(ans[i],ans[i-1]);\n\n\t}\n\n\t\n\n\tfor(int i=1;i<(1<<N);i++){\n\n\t\tprintf(\"%lld\\n\",ans[i]);\n\n\t\t//cout<<ans[i]<<endl;\n\n\t}\n\n\t\n\n\t\n\n\t\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003591"}277{"label": "pie_cpp_test_003592", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 157, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 157, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003592.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003592", "task_path": "tasks/test/pie_cpp_test_003592.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define int long long\n\n// #define double long double\n\n#define FOR(i, a, b) for(ll i = (a); i < (b); ++i)\n\n#define FORR(i, a, b) for(ll i = (a); i > (b); --i)\n\n#define REP(i, n) for(ll i = 0; i < (n); ++i)\n\n#define REPR(i, n) for(ll i = n; i >= 0; i--)\n\n#define FOREACH(x, a) for(auto &(x) : (a))\n\n#define VECCIN(x) \\\n\n for(auto &youso_ : (x)) cin >> youso_\n\n#define bitcnt __builtin_popcount\n\n#define SZ(x) ((ll)(x).size())\n\n#define fi first\n\n#define se second\n\n#define All(a) (a).begin(), (a).end()\n\n#define rAll(a) (a).rbegin(), (a).rend()\n\n\n\ntemplate <typename T = long long> inline T IN() {\n\n T x;\n\n cin >> x;\n\n return (x);\n\n}\n\ninline void CIN() {}\n\ntemplate <class Head, class... Tail>\n\ninline void CIN(Head &&head, Tail &&... tail) {\n\n cin >> head;\n\n CIN(move(tail)...);\n\n}\n\n#define CCIN(...) \\\n\n char __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define DCIN(...) \\\n\n double __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define LCIN(...) \\\n\n ll __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define SCIN(...) \\\n\n string __VA_ARGS__; \\\n\n CIN(__VA_ARGS__)\n\n#define Yes(a) cout << (a ? \"Yes\" : \"No\") << \"\\n\"\n\n#define YES(a) cout << (a ? \"YES\" : \"NO\") << \"\\n\"\n\n#define Printv(v) \\\n\n { \\\n\n FOREACH(x, v) { cout << x << \" \"; } \\\n\n cout << \"\\n\"; \\\n\n }\n\ntemplate <typename T = string> inline void eputs(T s) {\n\n cout << s << \"\\n\";\n\n exit(0);\n\n}\n\ntemplate <typename A, size_t N, typename T>\n\nvoid Fill(A (&array)[N], const T &val) {\n\n std::fill((T *)array, (T *)(array + N), val);\n\n}\n\n\n\ntemplate <typename T> using PQG = priority_queue<T, vector<T>, greater<T>>;\n\ntemplate <typename T> using PQ = priority_queue<T>;\n\n\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> PL;\n\ntypedef vector<PL> VPL;\n\ntypedef vector<ll> VL;\n\ntypedef vector<VL> VVL;\n\ntypedef vector<bool> VB;\n\ntypedef vector<double> VD;\n\n\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9 + 7;\n\n// const int MOD = 998244353;\n\nconst ll LINF = 5e18;\n\n// const double PI = atan(1.0) * 4.0;\n\nconst ll dx[] = {1, 1, 0, -1, -1, -1, 0, 1};\n\nconst ll dy[] = {0, 1, 1, 1, 0, -1, -1, -1};\n\n#define PI 3.141592653589793238\n\n\n\nvoid chmax(PL &a, PL b) {\n\n VL tgt = {a.fi, a.se, b.fi, b.se};\n\n sort(rAll(tgt));\n\n a.fi = tgt[0], a.se = tgt[1];\n\n}\n\n\n\nsigned main() {\n\n LCIN(N);\n\n VL A(1LL << N);\n\n VECCIN(A);\n\n VPL dp(1LL << N);\n\n REP(i, 1LL << N) { dp[i] = {A[i], -LINF}; }\n\n REP(b, N) REP(s, 1LL << N) {\n\n if(s >> b & 1) {\n\n chmax(dp[s], dp[s & ~(1LL << b)]);\n\n }\n\n }\n\n ll ans = 0;\n\n REP(s, 1LL << N) {\n\n ll tmp = dp[s].fi + dp[s].se;\n\n ans = max(ans, tmp);\n\n if(s) cout << ans << \"\\n\";\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003592"}278{"label": "pie_cpp_test_003593", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 66, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 66, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003593.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003593", "task_path": "tasks/test/pie_cpp_test_003593.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nint main() {\n\n ios_base::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n int N;\n\n cin >> N;\n\n vector<int> A(1 << N);\n\n for (int i = 0; i < 1 << N; i++) cin >> A[i];\n\n vector<int> first(1 << N), second(1 << N);\n\n for (int i = 0; i < 1 << N; i++) {\n\n for (int S = ~i & ((1 << N) - 1); S > 0; S = (S - 1) & ~i) {\n\n if (first[S | i] < A[i]) {\n\n second[S | i] = first[S | i];\n\n first[S | i] = A[i];\n\n } else if (second[S | i] < A[i]) {\n\n second[S | i] = A[i];\n\n }\n\n }\n\n if (first[i] < A[i]) {\n\n second[i] = first[i];\n\n first[i] = A[i];\n\n } else if (second[i] < A[i]) {\n\n second[i] = A[i];\n\n }\n\n }\n\n int ans = 0;\n\n for (int K = 1; K < 1 << N; K++) {\n\n ans = max(ans, first[K] + second[K]);\n\n cout << ans << '\\n';\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003593"}279{"label": "pie_cpp_test_003594", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 688, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 688, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003594.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003594", "task_path": "tasks/test/pie_cpp_test_003594.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//Code by 27.\n\n#include<cstdio>\n\n#include<iostream>\n\n#include<algorithm>\n\n#include<string>\n\n#include<math.h>\n\n#include<vector>\n\n#include<queue>\n\n#include<map>\n\n#include<stack>\n\n#include<fstream>\n\n#include<stdlib.h>\n\n#include<set>\n\n#include<climits>\n\n#include<cmath> \n\n//#include<memory.h> \n\n#include<sstream>\n\n#include<time.h>\n\n#include <iomanip>\n\nusing namespace std;\n\nconst unsigned long long BIGEST=1000000000000000000+1000000000000000000;\n\nconst long long BIGER=1000000000000000000;\n\nconst int BIG=1000000000;\n\nconst int MOD=19260817;\n\n/*\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo^ =ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\\` ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo, =/ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo` \\ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooo[o\\oo\\oo` , ,o\\o/\\\\ooo`ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooo//\\ \\. =\\ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooo\\` ,\\`,ooo/]`* ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooo/oo` .\\ooo\\[ ,/\\ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\\^ =\\\\o/ ,ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo =/` =^ =oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo^ oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo/ .oo/` =ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooo^o=` ,\\oooo/o^ ]^ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo.]o/\\oooooooo,.//ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo^ [oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo ,/ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo/` ,\\/oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\\//oooooooooooooo, =^/oooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooo/`,`o\\/ooooooooooooo` \\/ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooo/\\\\ ,,\\/\\oooooooo\\^ ,\\oooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooo/^ `oooooooooo^ \\ooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooo\\\\/ /\\\\ooooooooooo^ ,o\\=ooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooo` /oooooooooooooooo^ ,,^ooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooo/ooo/ =o\\ooooooooooooooooo` ^ooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooo/ ,\\oooooooooooooooo^\\ ,ooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooo` ,\\[]/oooooooooooooo ,/ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooo/\\ ]` ,`\\oooooooooooooo^ oooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooo\\` \\o\\o \\ooooooooooooooo =\\oooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooo/o=` /o/oooo^ \\/\\ooooooooooo ,ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo/o ooooooooo\\o/ n oooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo/\\ .o\\ooooooo/ ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo` \\/ooo\\o/ ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\\/ \\ooo^^ ,ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo^ ./\\/ oooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\\/` . ,oo^ooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooo. ,ooooooooooooooo ooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooo^ `/oooooooooooo/^ oooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooooo/\\oo`` \\/[ooo[ooooo^ ooooooooooooooooooooooooooooooooooooooooooooooooooooooo \n\nooooooooooooooooooooooooooooooooooooooooooooo\\, =. .[[[ ,\\ooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooo/o/o. oooo\\o` \\o/\\ooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooo/o. ]oooooooo\\ ,ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooo` =ooooooooooooo` ,oo/\\ \\ooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooo =oooooooooooooooooo/oooooooooooo\\/. `ooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooo^^ ,ooooooooooooooooooooooooooooooooooo\\ ,ooooooooooooooooooooooooooooooooooooooooooooooooooo\n\noooooooooooooooooooooooooooooooooooooooooo\\ `,/ooooooooooooooooooooooooooooooooooooo/^ o]o/ooooooooooooooooooooooooooooooooooooooooooooooooo\n\nooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo\n\n*/\n\nint a[300001]; \n\nint main()\n\n{\n\n\tint n;\n\n\tscanf(\"%d\",&n);\n\n\tfor(int i=0;i<(1<<n);i++)\n\n\t{\n\n\t\tscanf(\"%d\",&a[i]);\n\n\t}\n\n\tint mx=0,mx2=0;\n\n\tint MX=-BIG;\n\n\tfor(int i=1;i<(1<<n);i++)\n\n\t{\n\n\t\t\n\n\t\tmx=300000;\n\n\t\tmx2=300000;\n\n\t\t\n\n\t\tfor(int j=i;j!=0;j=(j-1)&i)\n\n\t\t{\n\n\t\t\t//cout<<i<<\" \"<<j<<endl;\n\n\t\t\tif(a[j]>a[mx])\n\n\t\t\t{\n\n\t\t\t\tmx2=mx;\n\n\t\t\t\tmx=j;\n\n\t\t\t}\n\n\t\t\telse if(a[j]>a[mx2]&&j!=mx)\n\n\t\t\t{\n\n\t\t\t\tmx2=j;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(a[0]>a[mx])\n\n\t\t{\n\n\t\t\tmx2=mx;\n\n\t\t\tmx=0;\n\n\t\t}\n\n\t\telse if(a[0]>a[mx2]&&0!=mx)\n\n\t\t{\n\n\t\t\tmx2=0;\n\n\t\t}\n\n\t\tMX=max(MX,a[mx]+a[mx2]);\n\n\t\tcout<<MX<<endl;\n\n\t\t//k=(k-1)&k;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003594"}280{"label": "pie_cpp_test_003595", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 64, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 64, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003595.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003595", "task_path": "tasks/test/pie_cpp_test_003595.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <queue>\n\n#include <string>\n\n#include <map>\n\n#include <set>\n\n#include <tuple>\n\n#include <deque>\n\n#include <numeric>\n\n#include <bitset>\n\n#include <iomanip>\n\n#include <cassert>\n\n#include <chrono>\n\n#include <random>\n\n#include <limits>\n\n#include <iterator>\n\n#include <functional>\n\n#include <sstream>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> P;\n\ntypedef pair<int, double> Pid;\n\ntypedef pair<double, int> Pdi;\n\ntypedef pair<ll, int> Pl;\n\ntypedef pair<int, pair<int, int>> PP;\n\nconst double PI = 3.1415926535897932; // acos(-1)\n\nconst double EPS = 1e-15;\n\nconst ll mod = 1e+9 + 7;\n\nconst int INF = 1001001001;\n\n\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\n#define chadd(x, y) x = (x + y) % mod\n\n\n\nint main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(nullptr);\n\n\n\n int n;\n\n cin >> n;\n\n int sz = 1;\n\n for(int i = 0; i < n; ++i) sz *= 2;\n\n vector<int> a(sz);\n\n for(int i = 0; i < sz; ++i) cin >> a[i];\n\n \n\n int res = 0;\n\n for(int k = 1; k < sz; ++k){\n\n int firstmax = max(a[k], a[0]), secondmax = min(a[k], a[0]);\n\n int subset = (k - 1) & k;\n\n while(subset){ // \u90e8\u5206\u96c6\u5408\u5217\u6319\n\n int hoge = a[subset];\n\n if(hoge > firstmax) swap(hoge, firstmax);\n\n if(hoge > secondmax) swap(hoge, secondmax);\n\n subset = (subset - 1) & k;\n\n }\n\n chmax(res, firstmax + secondmax);\n\n cout << res << \"\\n\";\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003595"}281{"label": "pie_cpp_test_003596", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 146, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 146, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003596.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003596", "task_path": "tasks/test/pie_cpp_test_003596.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\nusing namespace std;\n\n\n\n#define chmax(x, y) x = max(x, y)\n\n\n\nint main(void){\n\n int N;\n\n cin >> N;\n\n vector<int> A(1 << N);\n\n for(int i = 0; i < (1 << N); ++i) cin >> A[i];\n\n \n\n int res = 0;\n\n for(int K = 1; K < (1 << N); ++K){\n\n int firstmax = max(A[K], A[0]), secondmax = min(A[K], A[0]);\n\n int subset = (K - 1) & K;\n\n while(subset){ // \u90e8\u5206\u96c6\u5408\u5217\u6319\n\n int hoge = A[subset];\n\n if(hoge > firstmax) swap(hoge, firstmax);\n\n if(hoge > secondmax) swap(hoge, secondmax);\n\n subset = (subset - 1) & K;\n\n }\n\n chmax(res, firstmax + secondmax);\n\n cout << res << \"\\n\";\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003596"}282{"label": "pie_cpp_test_003597", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 124, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 124, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003597.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003597", "task_path": "tasks/test/pie_cpp_test_003597.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h> \n\nusing namespace std;\n\n\n\n#define sz(x) (int)x.size() \n\n#define pb push_back \n\n#define mp make_pair \n\n#define fi(a, b) for(int i=a; i<=b; i++) \n\n#define fj(a, b) for(int j=a; j<=b; j++) \n\n#define fo(a, b) for(int o=a; o<=b; o++) \n\n#define fdi(a, b) for(int i=a; i>=b; i--) \n\n#define fdj(a, b) for(int j=a; j>=b; j--) \n\n#define fdo(a, b) for(int o=a; o>=b; o--) \n\n\n\n#ifdef LOCAL\n\n#define err(...) fprintf(stderr, __VA_ARGS__)\n\n#else\n\n#define err(...) while(false) {}\n\n#endif\n\n\n\ntypedef long long ll; \n\ntypedef pair<int, int> pii; \n\ntypedef pair<ll, ll> pll; \n\ntypedef vector<int> vi; \n\ntypedef vector<ll> vll;\n\ntypedef vector<pii> vpii; \n\ntypedef vector<pll> vpll; \n\ntypedef long double ld;\n\ntypedef unsigned long long ull;\n\n\n\n/////////////////////////////////\n\n\n\nint const LOG = 19;\n\nint const MAX = (1 << LOG) + 41;\n\n\n\nint n, m;\n\nint a[MAX];\n\npii d[LOG][MAX];\n\nint ans[MAX];\n\n\n\nbool bit(int m, int i) {\n\n\treturn (1 & (m >> i));\n\n}\n\n\n\npii const EMP = mp(-1, -1); \n\n\n\nbool leq(int x, int y) {\n\n\tif (x == -1) return true;\n\n\tif (y == -1) return false;\n\n\treturn (a[x] < a[y]);\n\n}\n\n\n\nvoid relax(pii &x) {\n\n\tif (leq(x.first, x.second)) {\n\n\t\tswap(x.first, x.second);\n\n\t}\n\n}\n\n\n\npii combine(pii x, pii y) {\n\n\tif (leq(x.second, y.first)) {\n\n\t\tswap(x.second, y.first);\n\n\t\trelax(x);\t\t\n\n\t\trelax(y);\n\n\t}\t\n\n\tif (leq(x.second, y.first)) {\n\n\t\tswap(x.second, y.first);\n\n\t\trelax(x);\t\t\n\n//\t\trelax(y);\n\n\t}\t\n\n\treturn x;\n\n}\n\n\n\npii dp[2][MAX];\n\n\n\nint const INF = 1e9 + 41;\n\n\n\nint getvalue(pii a) {\n\n\tif (a.first == -1 || a.second == -1) return -INF;\n\n\tif (a.first == a.second) return -INF;\n\n\treturn ::a[a.first] + ::a[a.second];\n\n}\n\n\n\nvoid solve() {\n\n\tfo(0, n) {\n\n\t\tfi(0, m) {\n\n\t\t\tdp[0][i] = dp[1][i] = EMP;\n\n\t\t\tif (!bit(i, o)) {\n\n\t\t\t\tdp[0][i] = mp(i, -1);\n\n\t\t\t}\n\n\t\t}\n\n\t\tfi(0, n) {\n\n\t\t\tfor (int mask = 0; mask <= m; mask++) {\n\n\t\t\t\tdp[1][mask] = dp[0][mask];\n\n\t\t\t\tif (!bit(mask, i)) continue;\n\n\t\t\t\tdp[1][mask] = combine(dp[0][mask], dp[0][(mask ^ (1 << i))]);\n\n\t\t\t}\n\n\t\t\tmemcpy(dp[0], dp[1], sizeof(dp[0]));\n\n\t\t}\t\t\t\t\t\t\n\n\t\tmemcpy(d[o], dp[0], sizeof(d[o]));\n\n\t}\t\n\n\n\n\tfor (int mask = 1; mask <= m; mask++) {\n\n\t\tint res = getvalue(d[n][mask]);\n\n\t\tint mask1 = 0;\n\n\t\tfdi(n - 1, 0) {\n\n\t\t\tif (!bit(mask, i)) continue;\n\n\t\t\tint mask2 = mask1;\n\n\t\t\tmask2 |= (1 << i);\n\n\t\t\tmask2--;\n\n\n\n\t\t\tres = max(res, getvalue(d[i][mask2]));\n\n\n\n\t\t\tmask1 |= (1 << i);\t\n\n\t\t}\n\n\t\tans[mask] = res;\t\n\n\t}\n\n\n\n\tfi(1, m) {\n\n\t\tprintf(\"%d\\n\", ans[i]);\t\t\n\n\t}\n\n}\n\n\n\nint main() {\n\n#ifdef LOCAL\n\n\tfreopen(\"input.txt\", \"r\", stdin);\n\n\tfreopen(\"output.txt\", \"w\", stdout);\n\n#endif\n\n\n\n scanf(\"%d\", &n);\n\n m = (1 << n) - 1;\n\n\tfi(0, m) {\n\n\t\tscanf(\"%d\", &a[i]);\n\n\t}\n\n\tsolve();\t\t\n\n\n\n\t\n\n#ifdef LOCAL\n\n\terr(\"ELAPSED TIME: %.3Lf\\n\", (ld) clock() / CLOCKS_PER_SEC);\n\n#endif\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003597"}283{"label": "pie_cpp_test_003598", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 289, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 289, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003598.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003598", "task_path": "tasks/test/pie_cpp_test_003598.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = int64_t;\n\nusing P = pair<ll, ll>;\n\n\n\npair<ll, ll> po[1 << 18];\n\nll a[1 << 18];\n\nll sum[1 << 18];\n\n\n\nvoid update(P &p1, P p2){\n\n vector<ll> v = {p1.first, p1.second};\n\n if(p1.first != p2.first && p1.second != p2.first) v.push_back(p2.first);\n\n if(p1.first != p2.second && p1.second != p2.second) v.push_back(p2.second);\n\n sort(v.begin(), v.end(), [](ll x, ll y){return a[x] > a[y];});\n\n p1.first = v[0];\n\n p1.second = v[1];\n\n}\n\n\n\nint main(){\n\n ll N;\n\n cin >> N;\n\n for(ll i = 0; i < (1 << N); i++) cin >> a[i];\n\n for(ll i = 0; i < (1 << N); i++) po[i].first = i;\n\n for(ll i = 0; i < N; i++) for(ll j = 0; j < (1 << N); j++) if(!((j >> i) & 1)) update(po[j | (1 << i)], po[j]);\n\n for(ll i = 1; i < (1 << N); i++){\n\n sum[i] = max(sum[i - 1], a[po[i].first] + a[po[i].second]);\n\n cout << sum[i] << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003598"}284{"label": "pie_cpp_test_003599", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 217, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 217, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003599.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003599", "task_path": "tasks/test/pie_cpp_test_003599.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n// warm heart, wagging tail,and a smile just for you!\n\n// \u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// 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\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\u2593\n\n// \u2593\u2593\u2593\u2593\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u256c\u2593\u2593\n\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n#define MOD 1000000007\n\n#define INF 1LL<<50\n\n#define fst first\n\n#define sec second\n\n#define pb push_back\n\n#define int long long\n\n#define ALL(obj) (obj).begin(), (obj).end()\n\n#define FOR(i,a,b) for(int i=(a);i<(b);i++)\n\n#define RFOR(i,a,b) for(int i = (b-1);i>=a;i--)\n\n#define REP(i,n) FOR(i,0,n)\n\n#define RREP(i,n) RFOR(i,0,n)\n\n#define ITR(itr,mp) for(int itr = (mp).begin(); itr != (mp).end(); ++itr)\n\n#define RITR(itr,mp) for(int itr = (mp).rbegin(); itr != (mp).rend(); ++itr)\n\n#define debug(x) cout << #x << \" = \" << (x) << endl;\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> P;\n\n\n\nint dp[1<<18][2];\n\n\n\nvoid select(int s, int t){\n\n int a[4] = {dp[s][0],dp[s][1],dp[t][0],dp[t][1]};\n\n sort(a,a+4);\n\n dp[s][0] = a[2];\n\n dp[s][1] = a[3];\n\n}\n\n\n\nsigned main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n int n;\n\n cin >> n;\n\n \n\n int a[1<<n];\n\n REP(i,1<<n) cin >> a[i];\n\n \n\n REP(i,1<<n){\n\n dp[i][0] = 0;\n\n dp[i][1] = a[i];\n\n }\n\n \n\n REP(i,n){\n\n REP(s,1<<n){\n\n if((s & 1<<i) == 0)\n\n select(s|1<<i,s);\n\n }\n\n }\n\n \n\n// REP(i,1<<n) cout << dp[i][0] << \" \" << dp[i][1] << endl;\n\n \n\n ll ans[1<<n];\n\n ans[0] = 0;\n\n \n\n FOR(i,1,1<<n){\n\n ans[i] = max(ans[i-1],dp[i][0]+dp[i][1]);\n\n cout << ans[i] << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003599"}285{"label": "pie_cpp_test_003600", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 339, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 339, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003600.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003600", "task_path": "tasks/test/pie_cpp_test_003600.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\nconst int maxn = 1<<18;\n\nint arr[maxn], best[maxn];\n\nint main(){\n\n int n;\n\n scanf(\"%d\", &n);\n\n for(int e = 0; e < 1<<n; e++) scanf(\"%d\", arr + e);\n\n int now = 0;\n\n for(int e = 1; e < 1<<n; e++){\n\n int un[2] = {};\n\n auto add = [&](int v){\n\n if(v > un[0]){\n\n un[1] = un[0];\n\n un[0] = v;\n\n } else if(v > un[1]){\n\n un[1] = v;\n\n }\n\n };\n\n for(int msk = e; msk ; msk = (msk - 1) & e){\n\n add(arr[msk]);\n\n }\n\n add(arr[0]);\n\n now = max(now, un[0] + un[1]);\n\n printf(\"%d\\n\", now);\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003600"}286{"label": "pie_cpp_test_003601", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 100, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 100, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003601.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003601", "task_path": "tasks/test/pie_cpp_test_003601.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid update_dpk12(int k, vector<vector<int>> & dp, const vector<int> & As){\n\n int m1, m2;\n\n if (As[0] > As[k]){\n\n m1 = As[0];\n\n m2 = As[k];\n\n dp[k][1] = 0;\n\n dp[k][2] = k;\n\n }else{\n\n m1 = As[k];\n\n m2 = As[0];\n\n dp[k][1] = k;\n\n dp[k][2] = 0;\n\n }\n\n for (int mask = 1; mask < k; mask <<= 1) {\n\n if ((mask & k) == 0) continue;\n\n int s = k ^mask;\n\n if (As[dp[s][1]] > m1) {\n\n dp[k][2] = dp[k][1];\n\n dp[k][1] = dp[s][1];\n\n m2 = m1;\n\n m1 = As[dp[s][1]];\n\n }else if (As[dp[s][1]] == m1){\n\n if (dp[s][1] != dp[k][1]){\n\n dp[k][2] = dp[s][1];\n\n m2 = m1;\n\n }\n\n }else if (As[dp[s][1]] > m2){\n\n dp[k][2] = dp[s][1];\n\n m2 = As[dp[s][1]];\n\n }\n\n if (s > 0 and As[dp[s][2]] > m2 ){\n\n dp[k][2] = dp[s][2];\n\n m2 = As[dp[s][2]];\n\n }\n\n }\n\n}\n\n\n\n\n\nint main() {\n\n int N;\n\n cin >> N;\n\n const int L = (1 << N);\n\n vector<int> As(L);\n\n for (auto & a : As) cin >> a;\n\n\n\n vector<vector<int>> dp(L,{-1,-1,-1});\n\n // dp[k][0] k \u4ee5\u4e0b\u306e i or j \u306b\u3064\u3044\u3066\u306e\u3001Ai + Aj \u306e\u6700\u5927\u5024\n\n // dp[k][1] k \u306e bit\u5217 \u306e\u30b5\u30d6\u30bb\u30c3\u30c8 i \u306b\u3064\u3044\u3066\u3001Ai\u304c\u6700\u5927\u3068\u306a\u308b\u3068\u304d\u306e i\n\n // dp[k][2]\u3000k \u306e bit\u5217 \u306e\u30b5\u30d6\u30bb\u30c3\u30c8 i \u306b\u3064\u3044\u3066\u3001Ai\u304c\uff12\u756a\u76ee\u306b\u5927\u304d\u3044\u5024\u3068\u306a\u308b\u3068\u304d\u306e i\n\n\n\n dp[0][0] = -1;\n\n dp[0][1] = 0;\n\n dp[0][2] = -1;\n\n dp[1][0] = As[0] + As[1];\n\n dp[1][1] = (As[0] > As[1]) ? 0 : 1;\n\n dp[1][2] = 1 - dp[1][1];\n\n cout << dp[1][0] << '\\n';\n\n\n\n for (int k = 2; k < L; ++k){\n\n update_dpk12(k, dp, As);\n\n dp[k][0] = max(dp[k - 1][0], As[dp[k][1]] + As[dp[k][2]]);\n\n cout << dp[k][0] << '\\n';\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003601"}287{"label": "pie_cpp_test_003602", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 84, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 84, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003602.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003602", "task_path": "tasks/test/pie_cpp_test_003602.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid update_dpk12(int k, vector<vector<int>> & dp, const vector<int> & As){\n\n int m1, m2;\n\n if (As[0] > As[k]){\n\n m1 = As[0];\n\n m2 = As[k];\n\n dp[k][1] = 0;\n\n dp[k][2] = k;\n\n }else{\n\n m1 = As[k];\n\n m2 = As[0];\n\n dp[k][1] = k;\n\n dp[k][2] = 0;\n\n }\n\n for (int mask = 1; mask < k; mask <<= 1) {\n\n if ((mask & k) == 0) continue;\n\n int s = k ^mask;\n\n if (As[dp[s][1]] > m1) {\n\n dp[k][2] = dp[k][1];\n\n dp[k][1] = dp[s][1];\n\n m2 = m1;\n\n m1 = As[dp[s][1]];\n\n }else if (As[dp[s][1]] == m1){\n\n if (dp[s][1] != dp[k][1]){\n\n dp[k][2] = dp[s][1];\n\n m2 = m1;\n\n }\n\n }else if (As[dp[s][1]] > m2){\n\n dp[k][2] = dp[s][1];\n\n m2 = As[dp[s][1]];\n\n }\n\n if (s > 0 and As[dp[s][2]] > m2 ){\n\n dp[k][2] = dp[s][2];\n\n m2 = As[dp[s][2]];\n\n }\n\n }\n\n}\n\n\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int N;\n\n cin >> N;\n\n const int L = (1 << N);\n\n vector<int> As(L);\n\n for (auto & a : As) cin >> a;\n\n\n\n vector<vector<int>> dp(L,{-1,-1,-1});\n\n // dp[k][0] k \u4ee5\u4e0b\u306e i or j \u306b\u3064\u3044\u3066\u306e\u3001Ai + Aj \u306e\u6700\u5927\u5024\n\n // dp[k][1] k \u306e bit\u5217 \u306e\u30b5\u30d6\u30bb\u30c3\u30c8 i \u306b\u3064\u3044\u3066\u3001Ai\u304c\u6700\u5927\u3068\u306a\u308b\u3068\u304d\u306e i\n\n // dp[k][2]\u3000k \u306e bit\u5217 \u306e\u30b5\u30d6\u30bb\u30c3\u30c8 i \u306b\u3064\u3044\u3066\u3001Ai\u304c\uff12\u756a\u76ee\u306b\u5927\u304d\u3044\u5024\u3068\u306a\u308b\u3068\u304d\u306e i\n\n\n\n dp[0][0] = -1;\n\n dp[0][1] = 0;\n\n dp[0][2] = -1;\n\n dp[1][0] = As[0] + As[1];\n\n dp[1][1] = (As[0] > As[1]) ? 0 : 1;\n\n dp[1][2] = 1 - dp[1][1];\n\n cout << dp[1][0] << '\\n';\n\n\n\n for (int k = 2; k < L; ++k){\n\n update_dpk12(k, dp, As);\n\n dp[k][0] = max(dp[k - 1][0], As[dp[k][1]] + As[dp[k][2]]);\n\n cout << dp[k][0] << '\\n';\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003602"}288{"label": "pie_cpp_test_003603", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 519, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 519, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003603.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003603", "task_path": "tasks/test/pie_cpp_test_003603.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define fr(i,n) for(int i=0;i<(n);++i)\n\n#define foor(i,a,b) for(int i=(a);i<=(b);++i)\n\n#define rf(i,n) for(int i=(n);i--;)\n\n#define roof(i,b,a) for(int i=(b);i>=(a);--i)\n\n#define elsif else if\n\n#define all(x) x.begin(),x.end()\n\n#define Sort(x) sort(all(x))\n\n#define Reverse(x) reverse(all(x))\n\n#define PQ priority_queue\n\n#define NP(x) next_permutation(all(x))\n\n#define M_PI 3.14159265358979323846\n\n#define popcount __builtin_popcount\n\nusing namespace std; typedef vector<bool> vb; typedef vector<vb> vvb;\n\n typedef vector<int> vi; typedef vector<vi> vvi;\n\ntypedef long long ll; typedef vector< ll> vl; typedef vector<vl> vvl;\n\ntypedef unsigned long long ull; typedef vector<ull> vu; typedef vector<vu> vvu;\n\ntypedef double dbl; typedef vector<dbl> vd; typedef vector<vd> vvd;\n\ntypedef string str; typedef vector<str> vs; typedef vector<vs> vvs;\n\ntypedef pair<int,int>pii; typedef vector<pii>vpii; typedef map<int,int>mii;\n\ntypedef pair< ll, ll>pll; typedef vector<pll>vpll; typedef map< ll, ll>mll;\n\ntypedef pair<dbl,dbl>pdd; typedef vector<pdd>vpdd; typedef map<dbl,dbl>mdd;\n\ntypedef pair<str,str>pss; typedef vector<pss>vpss; typedef map<str,str>mss;\n\ntypedef pair<int, ll>pil; typedef vector<pil>vpil; typedef map<int, ll>mil;\n\ntypedef pair< ll,int>pli; typedef vector<pli>vpli; typedef map< ll,int>mli;\n\ntypedef pair<dbl,int>pdi; typedef vector<pdi>vpdi; typedef map<dbl,int>mdi;\n\ntemplate<typename T>vector<T>&operator<<(vector<T>&v,const T t){v.push_back(t);return v;}\n\ntemplate<typename T>multiset<T>&operator<<(multiset<T>&m,const T t){m.insert(t);return m;}\n\ntemplate<typename T>set<T>&operator<<(set<T>&s,const T t){s.insert(t);return s;}\n\ntemplate<typename T>stack<T>&operator<<(stack<T>&s,const T t){s.push(t);return s;}\n\ntemplate<typename T>stack<T>&operator>>(stack<T>&s,T&t){t=s.top();s.pop();return s;}\n\ntemplate<typename T>queue<T>&operator<<(queue<T>&q,const T t){q.push(t);return q;}\n\ntemplate<typename T>queue<T>&operator>>(queue<T>&q,T&t){t=q.front();q.pop();return q;}\n\ntemplate<typename T,typename U>PQ<T,vector<T>,U>&operator<<(PQ<T,vector<T>,U>&q,const T t){q.push(t);return q;}\n\ntemplate<typename T,typename U>PQ<T,vector<T>,U>&operator>>(PQ<T,vector<T>,U>&q,T&t){t=q.top();q.pop();return q;}\n\ntemplate<typename T,typename U>istream&operator>>(istream&s,pair<T,U>&p){return s>>p.first>>p.second;}\n\ntemplate<typename T>istream&operator>>(istream&s,vector<T>&v){fr(i,v.size()){s>>v[i];}return s;}\n\ntemplate<typename T,typename U>ostream&operator<<(ostream&s,const pair<T,U>p){return s<<p.first<<\" \"<<p.second;}\n\n//template<typename T>ostream&operator<<(ostream&s,const vector<T>v){for(auto a:v){s<<a<<endl;}return s;}\n\ntemplate<typename T>ostream&operator<<(ostream&s,const vector<T>v){fr(i,v.size()){i?s<<\" \"<<v[i]:s<<v[i];}return s;}\n\ntemplate<typename T>ostream&operator<<(ostream&s,const deque<T>d){fr(i,d.size()){i?s<<\" \"<<d[i]:s<<d[i];}return s;}\n\ntemplate<typename T>_Bit_reference operator&=(_Bit_reference b,T t){return b=b&t;}\n\ntemplate<typename T>_Bit_reference operator^=(_Bit_reference b,T t){return b=b^t;}\n\ntemplate<typename T>_Bit_reference operator|=(_Bit_reference b,T t){return b=b|t;}\n\ntemplate<typename T,typename U>pair<T,U>operator+(pair<T,U>a,pair<T,U>b){return {a.first+b.first,a.second+b.second};}\n\ntemplate<typename T,typename U>pair<T,U>operator-(pair<T,U>a,pair<T,U>b){return {a.first-b.first,a.second-b.second};}\n\nvoid print(void){cout<<endl;}\n\ntemplate<typename T>void print(T t){cout<<t<<endl;}\n\ntemplate<typename T,typename...U>void print(T&&t,U&&...u){cout<<t<<\" \";print(forward<U>(u)...);}\n\nbool YN(bool b){print(b?\"YES\":\"NO\");return b;}bool PI(bool b){print(b?\"POSSIBLE\":\"IMPOSSIBLE\");return b;}\n\nbool Yn(bool b){print(b?\"Yes\":\"No\");return b;}bool Pi(bool b){print(b?\"Possible\":\"Impossible\");return b;}\n\nbool yn(bool b){print(b?\"yes\":\"no\");return b;}bool pi(bool b){print(b?\"possible\":\"impossible\");return b;}\n\nconst int MD=1e9+7;\n\ntemplate<typename T>str to_string(const T&n){ostringstream s;s<<n;return s.str();}\n\ntemplate<typename T>T&chmax(T&a,T b){return a=max(a,b);}\n\ntemplate<typename T>T&chmin(T&a,T b){return a=min(a,b);}\n\ntemplate<typename T,typename U>vector<pair<T,U>>dijkstra(const vector<vector<pair<T,U>>>&E,const U s,const T inf){using P=pair<T,U>;vector<P>d;fr(i,E.size()){d<<P{inf,i};}PQ<P,vector<P>,greater<P>>pq;pq<<(d[s]=P{0,s});while(pq.size()){P a=pq.top();pq.pop();U v=a.second;if(d[v].first>=a.first){for(P e:E[v]){if(d[v].first+e.first<d[e.second].first){d[e.second]=P{d[v].first+e.first,v};pq<<P{d[v].first+e.first,e.second};}}}}return d;}\n\ntemplate<typename T,typename U>map<U,pair<T,U>>dijkstra(map<U,vector<pair<T,U>>>E,const U s,const T inf){using P=pair<T,U>;map<U,P>d;for(pair<U,vector<P>>e:E){d[e.first]=P{inf,e.first};}PQ<P,vector<P>,greater<P>>pq;pq<<(d[s]=P{0,s});while(pq.size()){P a=pq.top();pq.pop();U v=a.second;if(d[v].first>=a.first){for(P e:E[v]){if(d[v].first+e.first<d[e.second].first){d[e.second]=P{d[v].first+e.first,v};pq<<P{d[v].first+e.first,e.second};}}}}return d;}\n\nll maxflow(vector<mil>&E,int s,int t){ll z=0;vi b(E.size(),-1);for(int i=0;;++i){static auto dfs=[&](int v,ll f,auto&dfs)->ll{if(v==t)return f;b[v]=i;for(auto&p:E[v]){if(b[p.first]<i&&p.second){if(ll r=dfs(p.first,min(f,p.second),dfs)){p.second-=r;E[p.first][v]+=r;return r;}}}return 0;};ll x=dfs(s,ll(1e18),dfs);z+=x;if(x==0)return z;}}\n\ntemplate<typename T>T distsq(pair<T,T>a,pair<T,T>b){return (a.first-b.first)*(a.first-b.first)+(a.second-b.second)*(a.second-b.second);}\n\ntemplate<typename T>T max(const vector<T>a){T m=a[0];for(T e:a){m=max(m,e);}return m;}\n\ntemplate<typename T>T min(const vector<T>a){T m=a[0];for(T e:a){m=min(m,e);}return m;}\n\ntemplate<typename T>T gcd(const T a,const T b){return a?gcd(b%a,a):b;}\n\ntemplate<typename T>T gcd(const vector<T>a){T g=a[0];for(T e:a){g=gcd(g,e);}return g;}\n\ntemplate<typename T>vector<T>LIS(const vector<T>A){vector<T>B;for(T a:A){auto it=lower_bound(all(B),a);if(it==B.end()){B<<a;}else{*it=a;}}return B;}\n\ntemplate<typename T>vector<T>LCS(vector<T>A,vector<T>B){int N=A.size(),M=B.size();vector<vector<pair<int,pii>>>d(N+1,vector<pair<int,pii>>(M+1));fr(i,N){fr(j,M){if(A[i]==B[j]){d[i+1][j+1]={d[i][j].first+1,{i,j}};}else{d[i+1][j+1]=max(d[i][j+1],d[i+1][j]);}}}vector<T>r;for(pii p={N,M};d[p.first][p.second].first;p=d[p.first][p.second].second){r<<A[d[p.first][p.second].second.first];}Reverse(r);return r;}\n\nstr LCS(str S,str T){vector<char>s=LCS(vector<char>(S.begin(),S.end()),vector<char>(T.begin(),T.end()));return str(s.begin(),s.end());}\n\ntemplate<typename T>vector<pair<T,T>>ConvexHull(vector<pair<T,T>>V){if(V.size()<=3){return V;}Sort(V);rf(i,V.size()-1)V<<V[i];vector<pair<T,T>>r;for(pair<T,T>p:V){int s=r.size();while(s>=2&&(p.second-r[s-1].second)*(p.first-r[s-2].first)<(p.second-r[s-2].second)*(p.first-r[s-1].first)){r.pop_back();--s;}r<<p;}r.pop_back();return r;}\n\nclass UnionFind{vi p,s;void extend(int N){foor(i,p.size(),N){p<<i;s<<1;}}public:UnionFind(void){}UnionFind(int N){extend(N-1);}int find(int i){extend(i);return p[i]=p[i]==i?i:find(p[i]);}void unite(int a,int b){extend(a);extend(b);if((a=find(a))!=(b=find(b))){if(s[a]>s[b]){swap(a,b);}s[b]+=s[a];p[a]=b;}}void unite(pii p){return unite(p.first,p.second);}bool same(int a,int b){extend(a);extend(b);return find(a)==find(b);}bool same(pii p){return same(p.first,p.second);}int size(int x){extend(x);return s[find(x)];}};\n\nll MST(vector<pair<ll,pii>>&E){Sort(E);UnionFind uf;ll z=0;for(auto&e:E){if(!uf.same(e.second)){z+=e.first;uf.unite(e.second);}}return z;}\n\nll strmod(const str&s,const int m){ll x=0;fr(i,s.size()){x=(x*10+s[i]-48)%m;}return x;}\n\nvvl mul(const vvl&A,const vvl&B,const int m){vvl C;fr(y,A.size()){C<<vl(B[y].size());}fr(y,C.size()){fr(x,C[y].size()){fr(i,A[0].size()){(C[y][x]+=A[y][i]*B[i][x])%=m;}}}return C;}\n\nvvl pow(const vvl&A,const ll n,const int m){vvl B;fr(y,A.size()){B<<vl(A.size());}if(n==0){fr(i,B.size()){B[i][i]=1;}}elsif(n%2){B=mul(A,pow(A,n-1,m),m);}else{vvl C=pow(A,n/2,m);B=mul(C,C,m);}return B;}\n\nll pow(const ll a,const ll n,const int m){ll t;return n?(n&1?a>=0?a%m:(m-(-a%m))%m:1)*(t=pow(a,n>>1,m),t*t%m)%m:!!a;}\n\nll inv(const ll x,const int p){return pow(x,p-2,p);}\n\nll inv(const ll x){return inv(x,MD);}\n\nvpll fact(const int n,const int p){vpll v(n+1);v[0].first=1;foor(i,1,n){v[i].first=v[i-1].first*i%p;}v[n].second=inv(v[n].first,p);roof(i,n,1){v[i-1].second=v[i].second*i%p;}return v;}\n\nclass Combination{const vpll f;const int M;public:Combination(int n,int m):f(fact(n,m)),M(m){}Combination(int n):Combination(n,MD){}ll P(int n,int k){return n<0||k<0||n<k?0ll:f[n].first*f[n-k].second%M;}ll C(int n,int k){return P(n,k)*f[k].second%M;}ll H(int n,int k){return n==0&&k==0?1ll:C(n+k-1,k);}};\n\nll C2(const int n){return(ll)n*~-n/2;}\n\nll sum(const vi a){ll s=0;for(int e:a){s+=e;}return s;}\n\nll sum(const vl a){ll s=0;for(ll e:a){s+=e;}return s;}\n\ntemplate<typename T>int MSB(T N){int r=-1;for(;N>0;N/=2){++r;}return r;}\n\ntemplate<typename T>class SegmentTree{vector<T>S;T(*const op)(T a,T b);const T zero;const int B;public:SegmentTree(int N,T(*f)(T a,T b),const T zero):S(1<<MSB(N-1)+2,zero),op(f),zero(zero),B(1<<MSB(N-1)+1){}SegmentTree(vector<T>v,T(*f)(T a,T b),const T zero):SegmentTree(v.size(),f,zero){fr(i,v.size()){S[S.size()/2+i]=v[i];}roof(i,S.size()/2-1,1){S[i]=op(S[i*2],S[i*2+1]);}}T calc(int l,int r){l+=B;r+=B;if(l>r){return zero;}if(l==r){return S[l];}T L=S[l],R=S[r];for(;l/2<r/2;l/=2,r/=2){if(l%2==0){L=op(L,S[l+1]);}if(r%2==1){R=op(S[r-1],R);}}return op(L,R);}void replace(int i,T x){for(S[i+=B]=x;i!=1;i/=2){if(i%2){S[i/2]=op(S[i-1],S[i]);}else{S[i/2]=op(S[i],S[i+1]);}}}void add(int i,T x){replace(i,op(S[B+i],x));}T top(){return S[1];}};\n\nll BITsum(vl&B,int i){ll z=0;while(i>0){z+=B[i];i-=i&-i;}return z;}\n\nvoid BITadd(vl&B,int i,ll x){while(i<B.size()){B[i]+=x;i+=i&-i;}}\n\nll fib(const ll n,const int m){ll a,b,c,d,A,B,C,D;a=1;b=0;c=0;d=1;rf(i,63){A=a*a+b*c;B=a*b+b*d;C=c*a+d*c;D=c*b+d*d;if(n>>i&1){a=A;b=B;c=C;d=D;A=a+b;B=a;C=c+d;D=c;}a=A%m;b=B%m;c=C%m;d=D%m;}return b;}\n\nvi primes(int n){vb b(n+1);vi p;foor(i,2,n){if(!b[i]){p<<i;for(int j=2*i;j<=n;j+=i){b[j]=true;}}}return p;}\n\nvb isprime(const int n){vb v(n+1,true);v[0]=v[1]=false;foor(i,2,n){if(v[i]){for(int j=2*i;j<=n;j+=i){v[j]=false;}}}return v;}\n\n\n\nusing P=pair<pii,pii>;\n\n\n\nvoid f(P&a,P b){\n\n\tset<pii>s;\n\n\ts<<a.first<<a.second<<b.first<<b.second;\n\n\tauto it=s.end();\n\n\ta.first=*--it;\n\n\ta.second=*--it;\n\n}\n\n\n\nint main(){cin.tie(0);ios::sync_with_stdio(false);\n\n\tint N;cin>>N;\n\n\tvi A(1<<N);cin>>A;\n\n\tvector<P>d(1<<N);\n\n\tfr(i,1<<N){\n\n\t\td[i]={{A[i],i},{0,0}};\n\n\t\tfr(j,N)if(i>>j&1){\n\n\t\t\tf(d[i],d[i^1<<j]);\n\n\t\t}\n\n\t}\n\n\tfoor(i,1,(1<<N)-1){\n\n\t\tint z=d[i].first.first+d[i].second.first;\n\n\t\tint x=0;\n\n\t\trf(j,N)if(i>>j&1){\n\n\t\t\tx|=1<<j;\n\n\t\t\tchmax(z,d[x-1].first.first+d[x-1].second.first);\n\n\t\t}\n\n\t\tprint(z);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003603"}289{"label": "pie_cpp_test_003604", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 526, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 526, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003604.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003604", "task_path": "tasks/test/pie_cpp_test_003604.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<bitset>\n\n#include<set>\n\n#include<map>\n\n#include<stack>\n\n#include<queue>\n\n#include<deque>\n\n#include<list>\n\n#include<iomanip>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<functional>\n\nusing namespace std;\n\n\n\n#define repr(i, a, b) for (int i = (int)(a); i < (int)(b); i++)\n\n#define rep(i, n) repr(i, 0, n)\n\n#define INF 2e9\n\n//#define MOD 1000000007\n\n#define MOD 998244353\n\n#define LINF (long long)4e18\n\n#define jck 3.141592\n\n\n\nusing ll = long long;\n\nusing Pi = pair<int,int>;\n\nusing Pl = pair<ll,ll>;\n\n\n\nPi dp[1<<18];\n\n\n\nint main(){\n\n int N; cin >> N;\n\n vector<int> A(1<<N);\n\n rep(i,1<<N){\n\n cin >> A[i];\n\n dp[i] = {A[i],-1};\n\n }\n\n\n\n rep(i,N)rep(j,1<<N){\n\n if(j>>i&1){\n\n vector<int> v(4);\n\n v[0] = dp[j].first;\n\n v[1] = dp[j].second;\n\n v[2] = dp[j^(1<<i)].first;\n\n v[3] = dp[j^(1<<i)].second;\n\n sort(v.begin(),v.end());\n\n dp[j].first = v[3];\n\n dp[j].second = v[2];\n\n }\n\n }\n\n\n\n int ans = -1;\n\n repr(i,1,1<<N){\n\n ans = max(ans,dp[i].first+dp[i].second);\n\n cout << ans << endl;\n\n }\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003604"}290{"label": "pie_cpp_test_003605", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 197, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 197, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003605.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003605", "task_path": "tasks/test/pie_cpp_test_003605.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\n#define int ll\n\nusing PII = pair<int, int>;\n\ntemplate <typename T> using V = vector<T>;\n\ntemplate <typename T> using VV = vector<V<T>>;\n\ntemplate <typename T> using VVV = vector<VV<T>>;\n\n\n\n#define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)\n\n#define REP(i, n) FOR(i, 0, n)\n\n#define ALL(x) x.begin(), x.end()\n\n#define PB push_back\n\n\n\nconst ll INF = (1LL<<60);\n\nconst int MOD = 1000000007;\n\n\n\ntemplate <typename T> T &chmin(T &a, const T &b) { return a = min(a, b); }\n\ntemplate <typename T> T &chmax(T &a, const T &b) { return a = max(a, b); }\n\ntemplate <typename T> bool IN(T a, T b, T x) { return a<=x&&x<b; }\n\ntemplate<typename T> T ceil(T a, T b) { return a/b + !!(a%b); }\n\ntemplate<class S,class T>\n\nostream &operator <<(ostream& out,const pair<S,T>& a){\n\n out<<'('<<a.first<<','<<a.second<<')';\n\n return out;\n\n}\n\ntemplate<class T>\n\nostream &operator <<(ostream& out,const vector<T>& a){\n\n out<<'[';\n\n REP(i, a.size()) {out<<a[i];if(i!=a.size()-1)out<<',';}\n\n out<<']';\n\n return out;\n\n}\n\n\n\nint dx[] = {0, 1, 0, -1}, dy[] = {1, 0, -1, 0};\n\n\n\nsigned main(void)\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n int n;\n\n cin >> n;\n\n V<int> a(1<<n);\n\n REP(i, 1<<n) cin >> a[i];\n\n\n\n V<int> b(1<<n);\n\n REP(i, n) {\n\n REP(j, 1<<n) {\n\n if((j&1<<i) == 0) {\n\n // j|1<<i \u306b j \u304c\u5165\u308b\n\n if(a[j|1<<i] < a[j]) {\n\n b[j|1<<i] = a[j|1<<i];\n\n a[j|1<<i] = a[j];\n\n } else if(b[j|1<<i] < a[j]) {\n\n b[j|1<<i] = a[j];\n\n }\n\n if(b[j|1<<i] < b[j]) {\n\n b[j|1<<i] = b[j];\n\n }\n\n }\n\n }\n\n }\n\n\n\n int ma = 0;\n\n FOR(i, 1, 1<<n) {\n\n chmax(ma, a[i]+b[i]);\n\n cout << ma << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003605"}291{"label": "pie_cpp_test_003606", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 121, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 121, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003606.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003606", "task_path": "tasks/test/pie_cpp_test_003606.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define int long long\n\n#define REP(i,m,n) for(int i=(m);i<(n);i++)\n\n#define rep(i,n) REP(i,0,n)\n\n#define pb push_back\n\n#define all(a) a.begin(),a.end()\n\n#define rall(c) (c).rbegin(),(c).rend()\n\n#define mp make_pair\n\n#define endl '\\n'\n\n#define vec vector<ll>\n\n#define mat vector<vector<ll> >\n\n#define fi first\n\n#define se second\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> pll;\n\ntypedef long double ld;\n\nconst ll inf=1e9+7;\n\nconst ll mod=998244353;\n\n\n\nsigned main(){\n\n ll n;cin>>n;\n\n vector<ll>a(1LL<<n);\n\n rep(i,1LL<<n)cin>>a[i];\n\n vector<ll>ma1(1LL<<n);\n\n vector<ll>ma2(1LL<<n);\n\n REP(i,1,1LL<<n){\n\n for(int j=i;;j=(j-1)&i){\n\n if(a[j]>=ma1[i]){\n\n ma2[i]=ma1[i];\n\n ma1[i]=a[j];\n\n }else if(a[j]>=ma2[i]){\n\n ma2[i]=a[j];\n\n }\n\n if(j==0)break;\n\n }\n\n }\n\n ll ans=0;\n\n REP(i,1,1LL<<n){\n\n ans=max(ans,ma1[i]+ma2[i]);\n\n cout<<ans<<endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003606"}292{"label": "pie_cpp_test_003607", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 88, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 88, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003607.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003607", "task_path": "tasks/test/pie_cpp_test_003607.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\nint N,A[1<<18];\n\npair<int,int> F[1<<18],G[1<<18];\n\nint B[1<<18];\n\nint main(){\n\n\tpair<int,int> tmp[100];\n\n\tscanf(\"%d\",&N);\n\n\tfor(int i=0;i<1<<N;++i) scanf(\"%d\",A+i);\n\n\tfor(int i=1;i<1<<N;++i){\n\n\t\tif(__builtin_popcount(i)==1){\n\n\t\t\tif(A[i]>A[0]) F[i]=std::make_pair(A[i],i), G[i]=std::make_pair(A[0],0);\n\n\t\t\telse F[i]=std::make_pair(A[0],0), G[i]=std::make_pair(A[i],i);\n\n\t\t}\n\n\t\telse{\n\n\t\t\tint t=1; tmp[1]=std::make_pair(A[i],i);\n\n\t\t\tfor(int j=0;j<N;++j) if(i>>j&1){\n\n\t\t\t\ttmp[++t]=F[i^(1<<j)];\n\n\t\t\t\ttmp[++t]=G[i^(1<<j)];\n\n\t\t\t}\n\n\t\t\tsort(tmp+1,tmp+t+1); t=unique(tmp+1,tmp+t+1)-tmp-1;\n\n\t\t\tF[i]=tmp[t]; G[i]=tmp[t-1];\n\n\t\t}\n\n\t}\n\n\tfor(int i=1;i<1<<N;++i) B[i]=std::max(B[i-1],F[i].first+G[i].first);\n\n\tfor(int i=1;i<1<<N;++i) printf(\"%d\\n\",B[i]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003607"}293{"label": "pie_cpp_test_003608", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 64, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 64, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003608.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003608", "task_path": "tasks/test/pie_cpp_test_003608.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define endl '\\n'\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst ll INF = 3e9, MAX = 3e5;\n\nll a[MAX], sol[MAX];\n\n\t\n\nint main(){\n\n\n\n\tint n; scanf(\"%d\", &n);\n\n \n\n\tfor(int i = 0; i < (1 << n); i++) cin >> a[i];\n\n\t\n\n \n\n\tfor(int i = 0; i < (1 << n); i++)\n\n\t{\n\n\t\tll mx1 = -INF, mx2 = -INF;\n\n\t\n\n\t\tfor(int j = i; j >= 0; j = (j - 1)&i)\n\n\t\t{\n\n\t\t\t\n\n\t\t\tif(a[j] > mx1)\n\n\t\t\t\t\tmx2 = mx1, mx1 = a[j];\n\n\t\t\telse{\n\n\t\t\t\tif(a[j] > mx2) mx2 = a[j];\n\n\t\t\t}\n\n\t\t\t\n\n\t\t\tif(j == 0) break;\n\n\t\t}\n\n\t\t\n\n\t\tsol[i] = mx1 + mx2;\n\n\t}\n\n\t\n\n\tsol[0] = -INF;\n\n\tfor(int i = 1; i < (1 << n); i++){\n\n\t\t//~ cout << sol[i] << endl;\n\n\t sol[i] = max(sol[i - 1], sol[i]);\t \n\n\t printf(\"%lld\\n\", sol[i]);\n\n\t}\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003608"}294{"label": "pie_cpp_test_003609", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003609.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003609", "task_path": "tasks/test/pie_cpp_test_003609.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint b[1 << 21], *a;\n\nint Max[1 << 20], __Max[1 << 20], ans[1 << 20];\n\n\n\nint main() {\n\n\t\n\n\tios::sync_with_stdio(0);\n\n\tcin.tie(0), cout.tie(0);\n\n\t\n\n\ta = b + 10;\n\n\tint n; cin >> n;\n\n\tfor (int i = 0; i < (1 << n); i++) cin >> a[i];\n\n\tfor (int s = 0; s < (1 << n); s++) {\n\n\t\tMax[s] = s, __Max[s] = -1;\n\n\t\tfor (int i = 0; i < n; i++) if (s >> i & 1) {\n\n\t\t\tauto t = s ^ (1 << i);\n\n\t\t\tif (a[Max[s]] == a[Max[t]]) {\n\n\t\t\t\tif (Max[s] == Max[t]) {\n\n\t\t\t\t\tif (a[__Max[s]] < a[__Max[t]]) __Max[s] = __Max[t];\n\n\t\t\t\t} else __Max[s] = Max[t];\n\n\t\t\t}\n\n\t\t\tif (a[Max[s]] > a[Max[t]]) {\n\n\t\t\t\tif (a[__Max[s]] < a[Max[t]]) __Max[s] = Max[t];\n\n\t\t\t}\n\n\t\t\tif (a[Max[s]] < a[Max[t]]) {\n\n\t\t\t\tif (a[Max[s]] < a[__Max[t]]) __Max[s] = __Max[t];\n\n\t\t\t\telse __Max[s] = Max[s];\n\n\t\t\t\tMax[s] = Max[t];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfor (int s = 0; s < (1 << n); s++) {\n\n\t\tif (s == 0) ans[s] = a[Max[s]];\n\n\t\telse ans[s] = max(a[Max[s]] + a[__Max[s]], ans[s - 1]);\n\n\t}\n\n\tfor (int s = 1; s < (1 << n); s++) cout << ans[s] << \"\\n\";\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003609"}295{"label": "pie_cpp_test_003610", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 128, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 128, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003610.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003610", "task_path": "tasks/test/pie_cpp_test_003610.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n// #include <boost/multiprecision/cpp_int.hpp>\n\n// using i128 = boost::multiprecision::int128_t;\n\n#define _GLIBCXX_DEBUG\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ld = long double;\n\nusing V = vector<int>;\n\nusing Vll = vector<ll>;\n\nusing Vld = vector<ld>;\n\nusing Vbo = vector<bool>;\n\nusing VV = vector<V>;\n\nusing VVll = vector<Vll>;\n\nusing VVld = vector<Vld>;\n\nusing VVbo = vector<Vbo>;\n\nusing VVV = vector<VV>;\n\nusing VVVll = vector<VVll>;\n\nusing P = pair<int, int>;\n\nusing Pll = pair<ll, ll>;\n\nusing Pld = pair<ld, ld>;\n\n#define rep2(i, m, n) for(int i=int(m); i<int(n); ++i)\n\n#define drep2(i, m, n) for(int i=int(m)-1; i>=int(n); --i)\n\n#define rep(i, n) rep2(i, 0, n)\n\n#define drep(i, n) drep2(i, n, 0)\n\n#define all(a) a.begin(), a.end()\n\nstruct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;\n\ntemplate<typename T> inline int sz(T &x) { return x.size(); }\n\ntemplate<typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; }\n\ntemplate<typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }\n\ntemplate<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << \"(\" << p.first << \", \" << p.second << \")\"; return os; }\n\ntemplate<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; }\n\ntemplate<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << \" \"; return os; }\n\ntemplate<typename T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r)\n\ninline int fLog2(const int x) { return 31-__builtin_clz(x); } // floor(log2(x))\n\ninline int fLog2(const ll x) { return 63-__builtin_clzll(x); }\n\ninline int cLog2(const int x) { return (x == 1) ? 0 : 32-__builtin_clz(x-1); } // ceil(log2(x))\n\ninline int cLog2(const ll x) { return (x == 1) ? 0 : 64-__builtin_clzll(x-1); }\n\ninline int popcount(const int x) { return __builtin_popcount(x); }\n\ninline int popcount(const ll x) { return __builtin_popcountll(x); }\n\nconst int INF = 1<<30;\n\nconst ll INFll = 1ll<<62;\n\nconst ld EPS = 1e-10;\n\nconst ld PI = acos(-1.0);\n\nconst int MOD = int(1e9)+7;\n\n// const int MOD = 998244353;\n\n\n\n\n\nint main() {\n\n int n; cin >> n;\n\n int N = 1<<n;\n\n V a(N); cin >> a;\n\n\n\n vector<set<P>> VS(N);\n\n VS[0].emplace(-a[0], 0);\n\n V ans(N);\n\n\n\n rep(S, N) {\n\n if (S == 0) continue;\n\n rep(i, n) if (S>>i&1) {\n\n for (auto &e : VS[S^(1<<i)]) VS[S].insert(e);\n\n }\n\n VS[S].emplace(-a[S], S);\n\n auto it = VS[S].begin();\n\n ++it;\n\n ++it;\n\n VS[S].erase(it, VS[S].end());\n\n for (auto &e : VS[S]) ans[S] -= e.first;\n\n }\n\n\n\n rep2(S, 1, N) chmax(ans[S], ans[S-1]); \n\n rep2(S, 1, N) cout << ans[S] << '\\n';\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003610"}296{"label": "pie_cpp_test_003611", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 95, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 95, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003611.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003611", "task_path": "tasks/test/pie_cpp_test_003611.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n// #include <boost/multiprecision/cpp_int.hpp>\n\n// using i128 = boost::multiprecision::int128_t;\n\n#define _GLIBCXX_DEBUG\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ld = long double;\n\nusing V = vector<int>;\n\nusing Vll = vector<ll>;\n\nusing Vld = vector<ld>;\n\nusing Vbo = vector<bool>;\n\nusing VV = vector<V>;\n\nusing VVll = vector<Vll>;\n\nusing VVld = vector<Vld>;\n\nusing VVbo = vector<Vbo>;\n\nusing VVV = vector<VV>;\n\nusing VVVll = vector<VVll>;\n\nusing P = pair<int, int>;\n\nusing Pll = pair<ll, ll>;\n\nusing Pld = pair<ld, ld>;\n\n#define rep2(i, m, n) for(int i=int(m); i<int(n); ++i)\n\n#define drep2(i, m, n) for(int i=int(m)-1; i>=int(n); --i)\n\n#define rep(i, n) rep2(i, 0, n)\n\n#define drep(i, n) drep2(i, n, 0)\n\n#define all(a) a.begin(), a.end()\n\nstruct fast_ios { fast_ios(){ cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_;\n\ntemplate<typename T> inline int sz(T &x) { return x.size(); }\n\ntemplate<typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; }\n\ntemplate<typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }\n\ntemplate<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << \"(\" << p.first << \", \" << p.second << \")\"; return os; }\n\ntemplate<typename T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; }\n\ntemplate<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << \" \"; return os; }\n\ntemplate<typename T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r)\n\ninline int fLog2(const int x) { return 31-__builtin_clz(x); } // floor(log2(x))\n\ninline int fLog2(const ll x) { return 63-__builtin_clzll(x); }\n\ninline int cLog2(const int x) { return (x == 1) ? 0 : 32-__builtin_clz(x-1); } // ceil(log2(x))\n\ninline int cLog2(const ll x) { return (x == 1) ? 0 : 64-__builtin_clzll(x-1); }\n\ninline int popcount(const int x) { return __builtin_popcount(x); }\n\ninline int popcount(const ll x) { return __builtin_popcountll(x); }\n\nconst int INF = 1<<30;\n\nconst ll INFll = 1ll<<62;\n\nconst ld EPS = 1e-10;\n\nconst ld PI = acos(-1.0);\n\nconst int MOD = int(1e9)+7;\n\n// const int MOD = 998244353;\n\n\n\n\n\nint main() {\n\n int n; cin >> n;\n\n int N = 1<<n;\n\n V a(N); cin >> a;\n\n\n\n VV v(N);\n\n rep(i, N) v[i].push_back(a[i]);\n\n\n\n rep(i, n) {\n\n rep(S, N) if (!(S>>i&1)) {\n\n int S2 = S | (1<<i);\n\n for (auto e : v[S]) v[S2].push_back(e);\n\n sort(all(v[S2]), greater<int>());\n\n v[S2].erase(v[S2].begin()+2, v[S2].end());\n\n }\n\n }\n\n\n\n V ans(N);\n\n rep2(S, 1, N) {\n\n for (auto e : v[S]) ans[S] += e;\n\n chmax(ans[S], ans[S-1]);\n\n cout << ans[S] << '\\n';\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003611"}297{"label": "pie_cpp_test_003612", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 482, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 482, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003612.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003612", "task_path": "tasks/test/pie_cpp_test_003612.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> P;\n\nconst ll MOD = 1e9+7;\n\nconst ll INF = 1e18;\n\n#define rep(i,m,n) for(ll i = (m); i <= (n); i++)\n\n#define zep(i,m,n) for(ll i = (m); i < (n); i++)\n\n#define rrep(i,m,n) for(ll i = (m); i >= (n); i--)\n\n#define print(x) cout << (x) << endl;\n\n#define printa(x,m,n) for(ll i = (m); i <= n; i++){cout << (x[i]) << \" \";} cout<<endl;\n\n\n\nll n, m, a[(1LL << 20)], dp[(1LL << 20)][20][2], ans[(1LL << 20)];\n\n\n\nvoid setv(ll x, ll y, ll at){\n\n\tif(a[at] > a[dp[x][y][0]]){\n\n\t\tdp[x][y][1] = dp[x][y][0];\n\n\t\tdp[x][y][0] = at;\n\n\t}\n\n\telse{\n\n\t\tif(at != dp[x][y][0] && a[at] > a[dp[x][y][1]]){\n\n\t\t\tdp[x][y][1] = at;\n\n\t\t}\n\n\t}\n\n}\n\n\n\nvoid setp(ll x, ll y, ll u, ll v){\n\n\tsetv(x, y, dp[u][v][0]);\n\n\tsetv(x, y, dp[u][v][1]);\n\n}\n\n\n\nll aa(ll x, ll y){\n\n\treturn a[dp[x][y][0]]+a[dp[x][y][1]];\n\n}\n\n\n\nint main(){\n\n\tcin.tie(0); ios::sync_with_stdio(false);\n\n\t\n\n\tcin >> n;\n\n\tm = (1LL << n);\n\n\tzep(i, 0, m){cin >> a[i];}\n\n\ta[(1LL << 19)] = -INF;\n\n\t\n\n\tzep(i, 0, m){\n\n\t\tzep(j, 0, 20){\n\n\t\t\tdp[i][j][0] = (1LL << 19);\n\n\t\t\tdp[i][j][1] = (1LL << 19);\n\n\t\t}\n\n\t}\n\n\tzep(j, 0, 20){\n\n\t\tdp[0][j][0] = 0;\n\n\t}\n\n\tans[0] = -INF;\n\n\t\n\n\tll k;\n\n\tzep(bit, 1, m){\n\n\t\tif(__builtin_popcount(bit) == 1){k = bit;}\n\n\t\t\n\n\t\tsetv(bit, 0, bit);\n\n\t\tzep(i, 0, 20){\n\n\t\t\tif(bit & (1LL << i)){\n\n\t\t\t\tsetp(bit, 0, (bit & ~(1LL << i)), 0);\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tzep(i, 1, 20){\n\n\t\t\tsetv((bit & ~((1LL << i)-1)), i, bit);\n\n\t\t}\n\n\t\t\n\n\t\tzep(i, 1, 20){\n\n\t\t\tif(bit & (1LL << i)){\n\n\t\t\t\tll buf = bit & ~((1LL << i+1)-1);\n\n\t\t\t\tzep(j, 0, 20){\n\n\t\t\t\t\tsetp(buf, i, (buf & ~(1LL << j)), i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t\n\n\t\tans[bit] = max(ans[k-1], aa(bit, 0));\n\n\t\tzep(i, 1, 20){\n\n\t\t\tif((bit & (1LL << i)) && ((1LL << i) != k)){\n\n\t\t\t\tans[bit] = max(aa((bit & ~((1LL << i+1)-1)), i), ans[bit]);\n\n\t\t\t}\n\n\t\t}\n\n\t\t//cout << bit << ans[k-1] << dp[bit][0][0]+dp[bit][0][1] << endl;\n\n\t}\n\n\t\n\n\tzep(bit, 1, m){print(ans[bit])}\n\n\t//ll tmp; zep(bit, 1, m){cin >> tmp; if(ans[bit] != tmp){cout << bit << \" \" << ans[bit] << \" \" << tmp << endl;}}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003612"}298{"label": "pie_cpp_test_003613", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 931, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 931, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003613.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003613", "task_path": "tasks/test/pie_cpp_test_003613.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <boost/format.hpp>\n\n#include <boost/integer/common_factor_rt.hpp>\n\n#include <boost/multiprecision/cpp_int.hpp>\n\n#include <boost/optional.hpp>\n\n\n\n#ifdef DEBUG\n\n#include \"libs/debug.cpp\"\n\n#define DEBUG 1\n\n#else\n\n#define DEBUG 0\n\n#endif\n\n\n\n#define rep(i, n) repr((i), 0, (n))\n\n#define repr(i, a, t) reps((i), (a), (t), 1)\n\n#define reps(i, a, t, s) for (long long (i) = (a); (i) < (long long)(t); (i) += (s))\n\n#define rrep(i, n) rrepr((i), (n) - 1, 0)\n\n#define rrepr(i, a, t) rreps((i), (a), (t), 1)\n\n#define rreps(i, a, t, s) for (long long (i) = (a); (i) >= (long long)(t); (i) -= (s))\n\n#define each(v, c) for (auto &&(v) : (c))\n\n#define all(c) (c).begin(), (c).end()\n\n\n\nusing namespace std;\n\nnamespace mp = boost::multiprecision;\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing ld = long double;\n\nusing ml = mp::cpp_int;\n\ntemplate<typename T>\n\nusing optional = boost::optional<T>;\n\nconst auto none = boost::none;\n\nconst long long MOD = 1e9 + 7;\n\nconst long long INF = 1e18;\n\n\n\nint main() {\n\n cout << fixed << setprecision(10);\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n ifstream ifs;\n\n if (DEBUG) {\n\n ifs.open(\"src/_in.txt\");\n\n cin.rdbuf(ifs.rdbuf());\n\n }\n\n\n\n ll N;\n\n cin >> N;\n\n vector<ll> A;\n\n rep (i, pow(2, N)) {\n\n ll v0;\n\n cin >> v0;\n\n A.push_back(v0);\n\n }\n\n\n\n // dp[k]: i | j | k == k \u3068\u306a\u308b i, j \u306e\u3046\u3061 A[i] + A[j] \u304c\u6700\u5927\u3068\u306a\u308b i, j\n\n vector<set<tuple<ll, ll>>> dp(pow(2, N));\n\n repr (k, 1, pow(2, N)) {\n\n dp[k] = set<tuple<ll, ll>>{make_tuple(A[0], 0), make_tuple(A[k], k)};\n\n }\n\n\n\n vector<ll> digits;\n\n unordered_set<ll> nums;\n\n ll n = 1;\n\n while (n < pow(2, N)) {\n\n digits.push_back(n);\n\n nums.insert(n);\n\n n <<= 1;\n\n }\n\n\n\n while (!nums.empty()) {\n\n unordered_set<ll> next_nums;\n\n each (k, nums) {\n\n dp[k] = set<tuple<ll, ll>>{*prev(dp[k].end()), *prev(dp[k].end(), 2)};\n\n each (d, digits) {\n\n if ((k | d) > k) {\n\n dp[k | d].insert(all(dp[k]));\n\n next_nums.insert(k | d);\n\n }\n\n }\n\n }\n\n nums = next_nums;\n\n }\n\n\n\n vector<ll> ans(pow(2, N), 0);\n\n ll m = 0;\n\n repr (k, 1, pow(2, N)) {\n\n ll a1, a2, _;\n\n tie(a1, _) = *prev(dp[k].end());\n\n tie(a2, _) = *prev(dp[k].end(), 2);\n\n ans[k] = m = max(m, a1 + a2);\n\n }\n\n\n\n repr (k, 1, pow(2, N)) {\n\n cout << ans[k] << \"\\n\";\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003613"}299{"label": "pie_cpp_test_003614", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 141, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 141, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003614.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003614", "task_path": "tasks/test/pie_cpp_test_003614.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int MAXN = 20;\n\nstruct number\n\n{\n\n\tint f,s;\n\n}a[1<<MAXN];\n\nint n;\n\nint main()\n\n{\n\n\tscanf(\"%d\", &n);\n\n\tfor(int i=0;i<1<<n;i++)\n\n\t{\t\n\n\t\tint x;\n\n\t\tscanf(\"%d\", &x);\n\n\t\ta[i].f=x; \n\n\t}\n\n\tfor(int j=0;j<n;j++)\n\n\t\tfor(int i=0;i<1<<n;i++)\n\n\t\t\tif(i>>j & 1) \n\n\t\t\t{\n\n\t\t\t\tint x=i^(1<<j); \n\n\t\t\t\tnumber ans;\n\n\t\t\t\tans.f=max(a[i].f,a[x].f); \n\n\t\t\t\tif(a[i].f>a[x].f) \n\n\t\t\t\t\tans.s=max(a[i].s,a[x].f); \n\n\t\t\t\telse\n\n\t\t\t\t\tans.s=max(a[i].f,a[x].s);\n\n\t\t\t\ta[i]=ans;\n\n\t\t\t}\n\n\tint ans=0;\n\n\tfor(int i=1;i<1<<n;i++)\n\n\t{\n\n\t\tans=max(ans,a[i].f+a[i].s); \n\n\t\tcout<<ans<<endl;\n\n\t}\n\n\tcout<<endl;\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003614"}300{"label": "pie_cpp_test_003615", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 468, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 468, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003615.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003615", "task_path": "tasks/test/pie_cpp_test_003615.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n// 20:47 - 20:51\n\n// debug: 20:51 - 21:03\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define fi first\n\n#define se second\n\n#define lch (o << 1)\n\n#define rch (o << 1 | 1)\n\n\n\ntypedef double db;\n\ntypedef long long ll;\n\ntypedef unsigned int ui;\n\ntypedef pair<int,int> pint;\n\n\n\nconst int N = (1 << 18) + 5;\n\nconst int INF = 0x3f3f3f3f;\n\nconst ll INF_LL = 0x3f3f3f3f3f3f3f3f;\n\n\n\nint a[N];\n\npint b[N][2];\n\nint ans[N];\n\n\n\nint main(){\n\n\tios::sync_with_stdio(0);\n\n\n\n\tint n; cin >> n;\n\n\tint m = 1 << n;\n\n\tfor(int i=0; i<m; i++){\n\n\t\tcin >> a[i];\t\n\n\t\tfor(int j=i; j<m; j = (j+1) | i){\n\n\t\t\tif(a[i] >= b[j][0].fi){\n\n\t\t\t\tb[j][1] = b[j][0];\n\n\t\t\t\tb[j][0] = make_pair(a[i], i);\n\n\t\t\t}else if(a[i] >= b[j][1].fi){\n\n\t\t\t\tb[j][1] = make_pair(a[i], i);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\n\tfor(int i=1; i<m; i++){\n\n\t\tans[i] = ans[i-1];\n\n\t\tif(b[i][0].se != b[i][0].se)\n\n\t\t\tans[i] = max(ans[i], b[i][0].fi + b[i][0].fi);\n\n\t\tif(b[i][0].se != b[i][1].se)\n\n\t\t\tans[i] = max(ans[i], b[i][0].fi + b[i][1].fi);\n\n\t\tif(b[i][1].se != b[i][0].se)\n\n\t\t\tans[i] = max(ans[i], b[i][1].fi + b[i][0].fi);\n\n\t\tcout << ans[i] << endl;\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003615"}301{"label": "pie_cpp_test_003616", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003616.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003616", "task_path": "tasks/test/pie_cpp_test_003616.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define pb push_back\n\n#define fo(i, n) for(int i = 1; i <= n; ++i)\n\n\n\ntypedef long long ll;\n\n\n\nconst int N = 505000;\n\nconst int mod = 1e9 + 7;\n\nconst ll inf = 1e18;\n\n\n\nint n, a[(1 << 18)];\n\nint mx1[(1 << 18)], mx2[(1 << 18)];\n\nint ans[(1 << 18)];\n\n\n\ninline void upd(int mask, int x) {\n\n if(x >= mx1[mask]) mx2[mask] = mx1[mask], mx1[mask] = x;\n\n else if(x >= mx2[mask]) mx2[mask] = x;\n\n}\n\n\n\nint main() {\n\n ios::sync_with_stdio(0); cin.tie(0);\n\n\n\n cin >> n;\n\n for(int i = 0; i < (1 << n); ++i) {\n\n cin >> a[i];\n\n }\n\n int res = 0;\n\n for(int mask = 0; mask < (1 << n); ++mask) {\n\n int x1 = 0, x2 = 0;\n\n if(mask != 0) {\n\n if(a[0] >= x1)\n\n x2 = x1, x1 = a[0];\n\n else if(a[0] >= x2)\n\n x2 = a[0];\n\n }\n\n for(int sub = mask; sub > 0; sub = (sub - 1) & mask) {\n\n if(a[sub] >= x1)\n\n x2 = x1, x1 = a[sub];\n\n else if(a[sub] >= x2)\n\n x2 = a[sub];\n\n }\n\n res = max(res, x1 + x2);\n\n if(mask) cout << res << '\\n';\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003616"}302{"label": "pie_cpp_test_003617", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 575, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 575, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003617.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003617", "task_path": "tasks/test/pie_cpp_test_003617.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvector<int> merge(vector<int> a ,vector<int> b){\n\n a.insert(a.end(), b.begin(), b.end());\n\n std::sort(a.begin(),a.end());\n\n vector<int> temp = {a[3],a[2]};\n\n return temp;\n\n}\n\n\n\nint main(){\n\n int n;\n\n cin >> n;\n\n vector<int> a(1 << n);\n\n vector<int> ans(1 << n);\n\n for (int i = 0;i < 1 << n;i++){\n\n cin >> a.at(i);\n\n }\n\n vector<vector<int>> max(1 << n);\n\n for (int i = 0 ; i < 1 << n ; i++){\n\n max[i].resize(2);\n\n max[i][0] = a[i];\n\n }\n\n for (int i = 0 ; i < n ; i++){\n\n for (int j = 0 ;j < 1 << n ; j++){\n\n if (j & (1 << i)){\n\n\tvector<int> temp = merge(max[j],max[j^(1<<i)]);\n\n\tmax[j] = temp;\n\n }\n\n }\n\n }\n\n for (int i = 1 ; i < 1 << n ; i++){\n\n ans[i] = std::max(max[i][0]+max[i][1],ans[i-1]);\n\n cout << ans[i] << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003617"}303{"label": "pie_cpp_test_003618", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 64, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 64, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003618.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003618", "task_path": "tasks/test/pie_cpp_test_003618.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid add(pair<int, int> &p, int cur) {\n\n if (cur >= p.first) {\n\n swap(p.first, p.second);\n\n p.first = cur;\n\n } else if (cur > p.second) {\n\n p.second = cur;\n\n }\n\n return;\n\n}\n\n\n\nint v[1<<18];\n\nint ans[1<<18];\n\n\n\nint main() {\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n int n; cin >> n;\n\n for (int i = 0; i < (1 << n); i++) cin >> v[i];\n\n for (int bit = 1; bit < (1 << n); bit++) {\n\n pair<int, int> w = {0, 0};\n\n for (int i = bit; i >= 0; i = bit & (i-1)) {\n\n add(w, v[i]);\n\n if (i == 0) break;\n\n }\n\n ans[bit] = w.first + w.second;\n\n }\n\n int ret = 0;\n\n for (int i = 1; i < (1 << n); i++) {\n\n ret = max(ret, ans[i]);\n\n printf(\"%d\\n\", ret);\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003618"}304{"label": "pie_cpp_test_003619", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 692, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 692, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003619.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003619", "task_path": "tasks/test/pie_cpp_test_003619.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\n#include <random>\n\n#include <cassert>\n\n#include <cstring>\n\n#include <chrono>\n\n#include <set>\n\n#include <map>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> ii;\n\n\n\nii ma[1 << 18][19];\n\n\n\nvoid Update(ii& a, int x) {\n\n if (x > a.first) {\n\n a.second = a.first;\n\n a.first = x;\n\n } else if (x > a.second) {\n\n a.second = x;\n\n }\n\n}\n\n\n\nii Join(ii a, ii b) {\n\n //vector<int> v = {a.first, a.second, b.first, b.second};\n\n //sort(v.begin(), v.end());\n\n\n\n Update(a, b.first);\n\n Update(a, b.second);\n\n\n\n //assert(a == make_pair(v[3], v[2]));\n\n return a;\n\n}\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n vector<int> a(1 << n);\n\n for (int i = 0; i < a.size(); ++i) cin >> a[i];\n\n\n\n for (int i = 0; i < (1 << n); ++i) ma[i][0].first = a[i]; \n\n\n\n for (int b = 1; b <= n; ++ b) {\n\n int r = n - b;\n\n for (int i = 0; i < (1 << r); ++i) {\n\n ma[i][b] = Join(ma[i * 2][b - 1], ma[i * 2 + 1][b - 1]);\n\n }\n\n }\n\n\n\n for (int b = 0; b < n; ++b) {\n\n for (int i = 0; i < n; ++i) for (int mask = 0; mask < (1 << n); ++ mask) {\n\n if (mask & (1 << i)) {\n\n ma[mask][b] = Join(ma[mask][b], ma[mask ^ (1 << i)][b]);\n\n }\n\n } \n\n }\n\n\n\n for (int k = 1; k < (1 << n); ++k) {\n\n ii p = ma[k][0];\n\n int result = p.first + p.second;\n\n for (int b = 0; b < n; ++b) {\n\n int x = k >> b;\n\n if (x & 1) {\n\n x--;\n\n ii p = ma[x][b];\n\n result = max(result, p.first + p.second);\n\n }\n\n }\n\n cout << result << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003619"}305{"label": "pie_cpp_test_003620", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 533, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 533, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003620.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003620", "task_path": "tasks/test/pie_cpp_test_003620.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\n#include <random>\n\n#include <cassert>\n\n#include <cstring>\n\n#include <chrono>\n\n#include <set>\n\n#include <map>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> ii;\n\n\n\nii ma[19][1 << 18];\n\n\n\nvoid Update(ii& a, int x) {\n\n if (x > a.first) {\n\n a.second = a.first;\n\n a.first = x;\n\n } else if (x > a.second) {\n\n a.second = x;\n\n }\n\n}\n\n\n\nii Join(ii a, ii b) {\n\n Update(a, b.first);\n\n Update(a, b.second);\n\n return a;\n\n}\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n vector<int> a(1 << n);\n\n for (int i = 0; i < a.size(); ++i) cin >> a[i];\n\n\n\n for (int i = 0; i < (1 << n); ++i) ma[0][i].first = a[i]; \n\n\n\n for (int b = 1; b <= n; ++ b) {\n\n int r = n - b;\n\n for (int i = 0; i < (1 << r); ++i) {\n\n ma[b][i] = Join(ma[b - 1][i * 2], ma[b - 1][i * 2 + 1]);\n\n }\n\n }\n\n\n\n for (int b = 0; b < n; ++b) {\n\n for (int i = 0; i < n; ++i) for (int mask = 0; mask < (1 << n); ++ mask) {\n\n if (mask & (1 << i)) {\n\n ma[b][mask] = Join(ma[b][mask], ma[b][mask ^ (1 << i)]);\n\n }\n\n } \n\n }\n\n\n\n for (int k = 1; k < (1 << n); ++k) {\n\n ii p = ma[0][k];\n\n int result = p.first + p.second;\n\n for (int b = 0; b < n; ++b) {\n\n int x = k >> b;\n\n if (x & 1) {\n\n x--;\n\n ii p = ma[b][x];\n\n result = max(result, p.first + p.second);\n\n }\n\n }\n\n cout << result << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003620"}306{"label": "pie_cpp_test_003621", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 455, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 455, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003621.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003621", "task_path": "tasks/test/pie_cpp_test_003621.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\n#include <random>\n\n#include <cassert>\n\n#include <cstring>\n\n#include <chrono>\n\n#include <set>\n\n#include <map>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> ii;\n\n\n\nint ma[1 << 18][2];\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n vector<int> a(1 << n);\n\n for (int i = 0; i < a.size(); ++i) cin >> a[i];\n\n\n\n for (int i = 0; i < (1 << n); ++i) ma[i][0] = a[i]; \n\n\n\n for (int i = 0; i < n; ++i) for (int mask = 0; mask < (1 << n); ++mask) {\n\n if (mask & (1 << i)) {\n\n int mask2 = mask ^ (1 << i);\n\n for (int t : ma[mask2]) {\n\n if (t > ma[mask][0]) {\n\n ma[mask][1] = ma[mask][0];\n\n ma[mask][0] = t;\n\n } else if (t > ma[mask][1]) {\n\n ma[mask][1] = t;\n\n }\n\n }\n\n }\n\n } \n\n\n\n int result = 0;\n\n for (int k = 1; k < (1 << n); ++k) {\n\n result = max(result, ma[k][0] + ma[k][1]);\n\n cout << result << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003621"}307{"label": "pie_cpp_test_003622", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 108, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 108, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003622.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003622", "task_path": "tasks/test/pie_cpp_test_003622.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <iomanip>\n\n#include <ios> \n\n#include <vector>\n\n#include <string>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <queue>\n\n#include <stack>\n\n#include <set>\n\n#include <cmath>\n\n#include <bitset>\n\n#include <map>\n\n#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)\n\n#define rep1(i,n) for(int i=1;i<=(int)(n);i++)\n\n#define sz(c) ((int)(c).size())\n\n \n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef vector<int> vi;\n\n//const int MAX=;\n\n \n\nint main(){\n\n\tint N;\n\n\tcin>>N;\n\n\tint A[1<<18];\n\n\trep(j,1<<N)cin>>A[j];\n\n\t\n\n\t\n\n\tint p[1<<18], q[1<<18];\n\n\trep(j,1<<N){\n\n\t\tp[j]=A[j];\n\n\t\tq[j]=0;\n\n\t}\n\n\t\n\n\trep(i,N)rep(j,1<<N)if((j & 1<<i)){\n\n\t\tint x[4];\n\n\t\tx[0]=p[j];x[1]=q[j];x[2]=p[j ^ (1<<i)];x[3]=q[j ^ (1<<i)];\n\n\t\tsort(x,x+4);\n\n\t\tp[j]=x[3];q[j]=x[2];\n\n\t}\n\n\tint s[1<<18];\n\n\trep(j,1<<N){\n\n\t\ts[j]=p[j]+q[j];\n\n\t}\n\n\tint ans=0;\n\n\trep1(j,(1<<N)-1){\n\n\t\tans=max(ans,s[j]);\n\n\t\tcout<<ans<<endl;\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003622"}308{"label": "pie_cpp_test_003623", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 159, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 159, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003623.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003623", "task_path": "tasks/test/pie_cpp_test_003623.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n\n\nint main(){\n\n int N;\n\n scanf(\"%d\", &N);\n\n vector<int> A(1<<N);\n\n for (int i = 0; i < (1<<N); i++) scanf(\"%d\", &A[i]);\n\n vector<vector<pair<int, int>>> dp(1<<N, vector<pair<int, int>>(N+1, {0,0}));\n\n for (int i = 0; i < (1<<N); i++) dp[i][0] = {A[i], 0};\n\n \n\n for (int i = 0; i < (1<<N); i++) {\n\n for (int j = 1; j <= N; j++) {\n\n if (i & (1 << (j-1))) {\n\n int k = i - (1<<(j-1));\n\n vector<int> p(4);\n\n p = {dp[i][j-1].first, dp[i][j-1].second, dp[k][j-1].first, dp[k][j-1].second};\n\n sort(p.begin(), p.end());\n\n dp[i][j] = {p[3], p[2]};\n\n }\n\n else {\n\n dp[i][j] = dp[i][j-1];\n\n }\n\n }\n\n }\n\n int ans = 0;\n\n for (int i = 1; i < (1<<N); i++) {\n\n ans = max(ans, dp[i][N].first+dp[i][N].second);\n\n printf(\"%d\\n\", ans);\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003623"}309{"label": "pie_cpp_test_003624", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 133, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 133, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003624.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003624", "task_path": "tasks/test/pie_cpp_test_003624.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n\n\nint main(){\n\n int N;\n\n scanf(\"%d\", &N);\n\n vector<int> A(1<<N);\n\n for (int i = 0; i < (1<<N); i++) scanf(\"%d\", &A[i]);\n\n vector<vector<pair<int, int>>> dp(1<<N, vector<pair<int, int>>(N+1, {0,0}));\n\n for (int i = 0; i < (1<<N); i++) dp[i][0] = {A[i], 0};\n\n \n\n for (int i = 0; i < (1<<N); i++) {\n\n for (int j = 1; j <= N; j++) {\n\n if (i & (1 << (j-1))) {\n\n int k = i - (1<<(j-1));\n\n dp[i][j] = dp[i][j-1];\n\n int t = dp[k][j-1].first, u = dp[k][j-1].second;\n\n if (t > dp[i][j].first) {\n\n dp[i][j] = {t, dp[i][j].first};\n\n }else if (t > dp[i][j].second) {\n\n dp[i][j] = {dp[i][j].first, t};\n\n }\n\n if (u > dp[i][j].second) dp[i][j] = {dp[i][j].first, u};\n\n }\n\n else {\n\n dp[i][j] = dp[i][j-1];\n\n }\n\n }\n\n }\n\n int ans = 0;\n\n for (int i = 1; i < (1<<N); i++) {\n\n ans = max(ans, dp[i][N].first+dp[i][N].second);\n\n printf(\"%d\\n\", ans);\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003624"}310{"label": "pie_cpp_test_003625", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 179, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 179, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003625.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003625", "task_path": "tasks/test/pie_cpp_test_003625.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nusing ll = long long;\n\nusing P = pair<ll, int>;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int n;\n\n cin >> n;\n\n int sz = (1 << n);\n\n vector<int> a(sz);\n\n for (int i = 0; i < sz; i++) {\n\n cin >> a[i];\n\n }\n\n\n\n vector< set<P> > dp(sz);\n\n dp[0].emplace(a[0], 0);\n\n vector<int> ans(sz, 0);\n\n ans[0] = a[0];\n\n for (int i = 1; i < sz; i++) {\n\n dp[i].emplace(a[i], i);\n\n for (int j = 0; j < n; j++) {\n\n if (i & (1 << j)) {\n\n int prv = i - (1 << j);\n\n for (auto& p : dp[prv]) {\n\n dp[i].insert(p);\n\n if ((int)dp[i].size() > 2) dp[i].erase(*dp[i].begin());\n\n }\n\n }\n\n }\n\n for (auto& p : dp[i]) {\n\n ans[i] += p.first;\n\n }\n\n ans[i] = max(ans[i], ans[i - 1]);\n\n }\n\n\n\n for (int i = 1; i < sz; i++) {\n\n cout << ans[i] << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003625"}311{"label": "pie_cpp_test_003626", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 591, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 591, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003626.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003626", "task_path": "tasks/test/pie_cpp_test_003626.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//ProblemE\n\n\n\n//#define USE_STDIO\n\n//#define USE_LOG\n\n//#define FILE_ERR\n\n\n\n#ifdef _MYPC\n\n#include \"mypc.h\"\n\n#endif // _MYPC\n\n\n\n#ifndef debug\n\n#define debug(...)\n\n#endif // !LOG\n\n\n\n//include\n\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <bitset>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#include <queue>\n\n#include <stack>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <functional>\n\n#include <memory>\n\n#include <complex>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <iomanip>\n\n\n\nusing namespace std;\n\n\n\n//for\n\n#define forn(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define forbe(i, begin, end) for(decltype(begin) i = (begin); i != (end); ++i)\n\n#define forbes(i, begin, end, step) for(decltype(begin) i = (begin); i != (end); i += (step))\n\n\n\n//int\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing uint = unsigned;\n\n\n\n//pair\n\nusing pii = std::pair<int, int>;\n\nusing pll = std::pair<ll, ll>;\n\n#define fi first\n\n#define se second\n\n\n\n//vector\n\ntemplate <typename Value>\n\nstatic inline void fillv(Value& x, const Value& val) { x = val; }\n\ntemplate <typename Vector, typename Value>\n\nstatic inline void fillv(Vector& v, const Value& val) { for (auto& x : v) fillv(x, val); }\n\n\n\nstatic inline void Solve();\n\n\n\nint main(int argc, char* argv[]) {\n\n#ifdef REDIRECT_STDIO\n\n\tREDIRECT_STDIO;\n\n#endif // REDIRECT_STDIO\n\n\n\n\tSolve();\n\n\treturn 0;\n\n}\n\n\n\npii get_max2(const vector<int>& a, const vector<int>& b) {\n\n\tpii res = a[b[0]] > a[b[1]] ? pii{ b[0], b[1] } : pii{ b[1], b[0] };\n\n\tfor (int i = 2; i < (int)b.size(); i++) {\n\n\t\tint x = b[i];\n\n\t\tif (a[x] >= a[res.first]) {\n\n\t\t\tres = { x, res.first };\n\n\t\t}\n\n\t\telse if (a[x] >= a[res.second]) {\n\n\t\t\tres.second = x;\n\n\t\t}\n\n\t}\n\n\treturn res;\n\n}\n\n\n\n//ProblemE\n\nvoid Solve() {\n\n\tint n;\n\n\tcin >> n;\n\n\tint N = 1 << n;\n\n\tvector<int> a(N, 0);\n\n\tfor (int i = 0; i < N; i++) cin >> a[i];\n\n\n\n\tvector<pii> max2(N, { 0, 0 });\n\n\tmax2[0] = { 0, 0 };\n\n\tfor (int i = 1; i < N; i++) {\n\n\t\tset<int> poss{ i };\n\n\t\tint j = i;\n\n\t\twhile (j) {\n\n\t\t\tint mask = j & -j;\n\n\t\t\tposs.insert(max2[i & ~mask].first);\n\n\t\t\tposs.insert(max2[i & ~mask].second);\n\n\t\t\tj &= ~mask;\n\n\t\t}\n\n\t\tmax2[i] = get_max2(a, vector<int>(poss.begin(), poss.end()));\n\n\t}\n\n\n\n\tint ans = 0;\n\n\tfor (int i = 1; i < N; i++) {\n\n\t\tint t = a[max2[i].first] + a[max2[i].second];\n\n\t\tans = max(ans, t);\n\n\t\tcout << ans << endl;\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003626"}312{"label": "pie_cpp_test_003627", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 195, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 195, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003627.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003627", "task_path": "tasks/test/pie_cpp_test_003627.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//ProblemE\n\n\n\n//#define USE_STDIO\n\n//#define USE_LOG\n\n//#define FILE_ERR\n\n\n\n#ifdef _MYPC\n\n#include \"mypc.h\"\n\n#endif // _MYPC\n\n\n\n#ifndef debug\n\n#define debug(...)\n\n#endif // !LOG\n\n\n\n//include\n\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <bitset>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#include <queue>\n\n#include <stack>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <functional>\n\n#include <memory>\n\n#include <complex>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <iomanip>\n\n\n\nusing namespace std;\n\n\n\n//for\n\n#define forn(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define forbe(i, begin, end) for(decltype(begin) i = (begin); i != (end); ++i)\n\n#define forbes(i, begin, end, step) for(decltype(begin) i = (begin); i != (end); i += (step))\n\n\n\n//int\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing uint = unsigned;\n\n\n\n//pair\n\nusing pii = std::pair<int, int>;\n\nusing pll = std::pair<ll, ll>;\n\n#define fi first\n\n#define se second\n\n\n\n//vector\n\ntemplate <typename Value>\n\nstatic inline void fillv(Value& x, const Value& val) { x = val; }\n\ntemplate <typename Vector, typename Value>\n\nstatic inline void fillv(Vector& v, const Value& val) { for (auto& x : v) fillv(x, val); }\n\n\n\nstatic inline void Solve();\n\n\n\nint main(int argc, char* argv[]) {\n\n#ifdef REDIRECT_STDIO\n\n\tREDIRECT_STDIO;\n\n#endif // REDIRECT_STDIO\n\n\n\n\tSolve();\n\n\treturn 0;\n\n}\n\n\n\n//ProblemE\n\nvoid Solve() {\n\n\tint n;\n\n\tcin >> n;\n\n\tint N = 1 << n;\n\n\tvector<int> a(N, 0);\n\n\tfor (int i = 0; i < N; i++) cin >> a[i];\n\n\n\n\tvector<vector<int>> max2(N, { 0, 0 });\n\n\tmax2[0] = { 0, 0 };\n\n\tfor (int i = 1; i < N; i++) {\n\n\t\tmax2[i] = a[0] < a[i] ? vector<int>{ i, 0 } : vector<int>{ 0, i };\n\n\t\tint j = i;\n\n\t\twhile (j) {\n\n\t\t\tint mask = j & -j;\n\n\t\t\tfor (auto x : max2[i & ~mask]) {\n\n\t\t\t\tif (max2[i][0] == x || max2[i][1] == x) continue;\n\n\t\t\t\tif (a[x] >= a[max2[i][0]]) {\n\n\t\t\t\t\tmax2[i] = { x, max2[i][0] };\n\n\t\t\t\t}\n\n\t\t\t\telse if (a[x] >= a[max2[i][1]]) {\n\n\t\t\t\t\tmax2[i][1] = x;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tj &= ~mask;\n\n\t\t}\n\n\t}\n\n\n\n\tint ans = 0;\n\n\tfor (int i = 1; i < N; i++) {\n\n\t\tint t = a[max2[i][0]] + a[max2[i][1]];\n\n\t\tans = max(ans, t);\n\n\t\tcout << ans << endl;\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003627"}313{"label": "pie_cpp_test_003628", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 501, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 501, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003628.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003628", "task_path": "tasks/test/pie_cpp_test_003628.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pll = pair<ll,ll>;\n\nusing vll = vector<pll>;\n\nusing vvll = vector<vll>;\n\n\n\n#define rep(i,n) for(int i = 0; i < (n); ++i)\n\n#define rng(i,a,b) for(int i = (a); i < (b); ++i)\n\n#define all(a) (a).begin(), (a).end()\n\n#define dmax(a,b) a=max(a,b)\n\n\n\nint main() {\n\n int n; cin >> n;\n\n vll a(1<<n);\n\n vvll dp(1<<n, vll(2));\n\n rep(i,1<<n) {\n\n scanf(\"%ld\", &a[i].first);\n\n a[i].second = i;\n\n dp[i][0] = a[i];\n\n }\n\n rep(b,1<<n) {\n\n rep(i,n) {\n\n int nb = b | (1<<i);\n\n if (nb == b) continue;\n\n set<pll> S;\n\n rep(j,2) {\n\n S.insert(dp[b][j]);\n\n S.insert(dp[nb][j]);\n\n }\n\n auto mx = S.rbegin();\n\n dp[nb][0] = *mx;\n\n dp[nb][1] = *++mx;\n\n }\n\n }\n\n ll ans = 0;\n\n rng(i,1,1<<n) {\n\n dmax(ans, dp[i][0].first + dp[i][1].first);\n\n cout << ans << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003628"}314{"label": "pie_cpp_test_003629", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 102, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 102, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003629.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003629", "task_path": "tasks/test/pie_cpp_test_003629.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pll = pair<ll,ll>;\n\nusing vll = vector<pll>;\n\nusing vvll = vector<vll>;\n\n\n\n#define rep(i,n) for(int i = 0; i < (n); ++i)\n\n#define rng(i,a,b) for(int i = (a); i < (b); ++i)\n\n#define all(a) (a).begin(), (a).end()\n\n#define dmax(a,b) a=max(a,b)\n\n\n\nint main() {\n\n int n; cin >> n;\n\n vvll dp(1<<n, vll(2));\n\n rep(i,1<<n) {\n\n scanf(\"%ld\", &dp[i][0].first);\n\n dp[i][0].second = i;\n\n }\n\n rep(b,1<<n) {\n\n rep(i,n) {\n\n int nb = b | (1<<i);\n\n if (nb == b) continue;\n\n if (dp[b][0].first > dp[nb][0].first) {\n\n if (dp[b][1].first > dp[nb][0].first) {\n\n dp[nb][1] = dp[b][1];\n\n } else {\n\n dp[nb][1] = dp[nb][0];\n\n }\n\n dp[nb][0] = dp[b][0];\n\n } else if (\n\n dp[b][0].first > dp[nb][1].first and\n\n dp[b][0].second != dp[nb][0].second\n\n ) {\n\n dp[nb][1] = dp[b][0];\n\n }\n\n }\n\n }\n\n ll ans = 0;\n\n rng(i,1,1<<n) {\n\n dmax(ans, dp[i][0].first + dp[i][1].first);\n\n cout << ans << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003629"}315{"label": "pie_cpp_test_003630", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 67, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 67, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003630.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003630", "task_path": "tasks/test/pie_cpp_test_003630.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//https://atcoder.jp/contests/arc100/tasks/arc100_c\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nusing ii = pair <int, int>;\n\n\n\nconst int N = 18;\n\nii dp[1 << N]; int a[1 << N], ans;\n\n\n\nint main() {\n\n ios::sync_with_stdio(0);\n\n cin.tie(nullptr);\n\n int n; cin >> n;\n\n for (int i = 0; i < (1 << n); i++) {\n\n cin >> a[i];\n\n }\n\n dp[0] = {a[0], 0};\n\n for (int i = 1; i < (1 << n); i++) {\n\n for (int j = 0; j < n; j++)\n\n if (i & (1 << j))\n\n dp[i] = max(dp[i], dp[i ^ (1 << j)]);\n\n for (int j = 0; j < n; j++)\n\n if (dp[i].second & (1 << j))\n\n ans = max(ans, dp[i].first + dp[i ^ (1 << j)].first);\n\n ans = max(ans, dp[i].first + a[i]);\n\n dp[i] = max(dp[i], {a[i], i});\n\n cout << ans << '\\n';\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003630"}316{"label": "pie_cpp_test_003631", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 76, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 76, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003631.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003631", "task_path": "tasks/test/pie_cpp_test_003631.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#pragma GCC optimize(\"O3\")\n\n\n\n#include <iostream>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n\n\nconst int N = 18;\n\n\n\nint mx[2][1 << N];\n\n\n\nint main() {\n\n\tios_base::sync_with_stdio(false);\n\n\tint n;\n\n\tcin >> n;\n\n\tfor (int i = 0; i < (1 << n); i++) {\n\n\t\tint x;\n\n\t\tcin >> x;\n\n\t\tfor (int m = i; m < (1 << n); m = (m + 1) | i) {\n\n\t\t\tif (mx[0][m] < x) {\n\n\t\t\t\tmx[1][m] = mx[0][m];\n\n\t\t\t\tmx[0][m] = x;\n\n\t\t\t}\n\n\t\t\telse if (mx[1][m] < x) {\n\n\t\t\t\tmx[1][m] = x;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tint cur = 0;\n\n\tfor (int i = 1; i < (1 << n); i++) {\n\n\t\tcur = max(cur, mx[0][i] + mx[1][i]);\n\n\t\tcout << cur << ' ';\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003631"}317{"label": "pie_cpp_test_003632", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 151, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 151, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003632.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003632", "task_path": "tasks/test/pie_cpp_test_003632.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nint a[500005];\n\nint maxn[500005][2];\n\n\n\nint max(int a,int b){ return a>b?a:b; }\n\n\n\nint min(int a,int b){ return a>b?b:a; }\n\n\n\nvoid update(int&a,int&b,int c){\n\n if(c>a){ \n\n if(b<a) b = a;\n\n a = c;\n\n }\n\n else if(c>b) b = c;\n\n}\n\n\n\nint main(){\n\n int n;\n\n scanf(\"%d\",&n);\n\n for(int i = 0; i < (1<<n); i++) scanf(\"%d\",&a[i]); \n\n for(int i = 1; i < (1<<n); i++){\n\n int m0 = 0, m1 = 0;\n\n for(int j = i; ; j = (j-1)&i){\n\n update(m0,m1,a[j]);\n\n if(j==0) break;\n\n }\n\n maxn[i][0] = m0, maxn[i][1] = m1;\n\n }\n\n int ans = 0;\n\n for(int i = 1; i < (1<<n); i++){\n\n ans = max(ans,maxn[i][0]+maxn[i][1]);\n\n printf(\"%d\\n\",ans);\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003632"}318{"label": "pie_cpp_test_003633", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 82, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 82, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003633.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003633", "task_path": "tasks/test/pie_cpp_test_003633.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <vector>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <deque>\n\n#include <stack>\n\n#include <bitset>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <numeric>\n\n#include <utility>\n\n#include <sstream>\n\n#include <queue>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <cstdlib>\n\n#include <cctype>\n\n#include <string>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <fstream>\n\n#include <stdio.h>\n\n#include <complex>\n\n#include <cstdint>\n\n#include <tuple>\n\n#define M_PI 3.14159265358979323846\n\n\n\nusing namespace std;\n\n\n\n//conversion\n\n//------------------------------------------\n\ninline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; }\n\ntemplate<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); }\n\n\n\n//typedef\n\n//------------------------------------------\n\ntypedef vector<int> VI;\n\ntypedef vector<VI> VVI;\n\ntypedef vector<string> VS;\n\ntypedef pair<int, int> PII;\n\ntypedef long long LL;\n\ntypedef unsigned long long ULL;\n\ntypedef vector<LL> VLL;\n\ntypedef vector<VLL> VVLL;\n\n\n\n//container util\n\n//------------------------------------------\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define RALL(a) (a).rbegin(), (a).rend()\n\n#define PB push_back\n\n#define MP make_pair\n\n#define MT make_tuple\n\n#define SZ(a) int((a).size())\n\n#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)\n\n#define EXIST(s,e) ((s).find(e)!=(s).end())\n\n#define SORT(c) sort((c).begin(),(c).end())\n\n\n\n//repetition\n\n//------------------------------------------\n\n#define FOR(i,s,n) for(int i=s;i<(int)n;++i)\n\n#define REP(i,n) FOR(i,0,n)\n\n\n\n#define MOD 1000000007\n\n\n\nconst int N = 1<<18;\n\nint a[N][2];\n\n\n\nint main() {\n\n\tint n;\n\n\tcin >> n;\n\n\tREP(i, 1 << n)scanf(\"%d\", &a[i][0]);\n\n\tREP(i, n) {\n\n\t\tREP(j, 1 << n) {\n\n\t\t\tif ((j & (1 << i))) {\n\n\t\t\t\tauto tmp = VI{ a[j][0], a[j][1], a[j ^ (1 << i)][0], a[j ^ (1 << i)][1] };\n\n\t\t\t\tSORT(tmp);\n\n\t\t\t\ta[j][0] = tmp[3];\n\n\t\t\t\ta[j][1] = tmp[2];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tint ret = -1;\n\n\tFOR(i, 1, 1 << n) {\n\n\t\tret = max(ret, a[i][0] + a[i][1]);\n\n\t\tprintf(\"%d\\n\", ret);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003633"}319{"label": "pie_cpp_test_003634", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 72, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 72, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003634.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003634", "task_path": "tasks/test/pie_cpp_test_003634.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <utility>\n\nusing namespace std;\n\ntypedef pair<int,int> pii;\n\npii mx(pii a, pii b){\n\n\tint i,ma1 = -1,ma2 = -1,c[4];\n\n\tc[0] = a.first,c[1] = a.second,c[2] = b.first,c[3] = b.second;\n\n\tfor(i=0;i<4;i++){\n\n\t\tif(ma1<c[i]){\n\n\t\t\tma2 = ma1; ma1 = c[i];\n\n\t\t}else if(ma2<c[i]){\n\n\t\t\tma2 = c[i];\n\n\t\t}\n\n\t}\n\n\treturn {ma1,ma2};\n\n}\n\nint a[1<<20];\n\npii dp[1<<20];\n\nint main(){\n\n\tint i,j,n;\n\n\tcin >> n;\n\n\tfor(i=0;i<(1<<n);i++){\n\n\t\tcin >> a[i];\n\n\t\tdp[i] = {a[i],0};\n\n\t}\n\n\tfor(i=0;i<n;i++){\n\n\t\tfor(j=0;j<(1<<n);j++){\n\n\t\t\tif(j&(1<<i)){\n\n\t\t\t\tdp[j] = mx(dp[j],dp[j^(1<<i)]);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tint ans = a[0] + a[1];\n\n\tfor(i=1;i<(1<<n);i++){\n\n\t\tans = max(ans,dp[i].first + dp[i].second);\n\n\t\tcout << ans << endl;\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003634"}320{"label": "pie_cpp_test_003635", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 441, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 441, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003635.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003635", "task_path": "tasks/test/pie_cpp_test_003635.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include <cstdlib> \n\n#include <math.h>\n\n#include <cmath>\n\n#include<cctype>\n\n#include<string>\n\n#include<set>\n\n#include<iomanip>\n\n#include <map>\n\n#include<algorithm>\n\n#include <functional>\n\n#include<vector>\n\n#include<climits>\n\n#include<stack>\n\n#include<queue>\n\n#include<bitset>\n\n#include <deque>\n\n#include <climits>\n\n#include <typeinfo>\n\n#include <utility> \n\nusing namespace std;\n\nusing ll = long long;\n\ntemplate<typename T>using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;\n\nconst ll inf = 1LL << 60;\n\n#define all(x) (x).begin(),(x).end()\n\n#define puts(x) cout << x << endl\n\n#define rep(i,m,n) for(ll i = m;i < n;++i)\n\n#define pb push_back\n\n#define fore(i,a) for(auto &i:a)\n\n#define rrep(i,m,n) for(ll i = m;i >= n;--i)\n\n\n\n\n\nint main() {\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(nullptr);\n\n\n\n\tint N;\n\n\tcin >> N;\n\n\tvector<int>A(1 << N);\n\n\tfor (int i = 0; i < 1 << N; i++)cin >> A[i];\n\n\n\n\tll ans = 0;\n\n\tfor (int x = 1; x < (1 << N);x++) {\n\n\t\tll mx1 = -1;\n\n\t\tll mx2 = -1;\n\n\t\tfor (int j = x; j > 0; j = (j - 1)&x) {\n\n\t\t\tif (A[j] > mx1) {\n\n\t\t\t\tmx2 = mx1;\n\n\t\t\t\tmx1 = A[j];\n\n\t\t\t}\n\n\t\t\telse if (A[j] > mx2)mx2 = A[j];\n\n\t\t}\n\n\t\tif (A[0] > mx1) {\n\n\t\t\tmx2 = mx1;\n\n\t\t\tmx1 = A[0];\n\n\t\t}\n\n\t\telse if (A[0] > mx2)mx2 = A[0];\n\n\t\tans = max(ans, mx1 + mx2);\n\n\t\tputs(ans);\n\n\t}\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003635"}321{"label": "pie_cpp_test_003636", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 545, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 545, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003636.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003636", "task_path": "tasks/test/pie_cpp_test_003636.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <bitset>\n\n#include <complex>\n\n#include <deque>\n\n#include <iostream>\n\n#include <istream>\n\n#include <iterator>\n\n#include <limits>\n\n#include <list>\n\n#include <map>\n\n#include <memory>\n\n#include <queue>\n\n#include <set>\n\n#include <stack>\n\n#include <string>\n\n#include <vector>\n\n#include <random>\n\n#include <tuple>\n\n#include <iomanip>\n\n#include <cstring>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n//typedef pair<int,int> Pint;\n\n//typedef pair<ll, ll> P;\n\ntypedef pair<ll, pair<ll, ll>> P;\n\n//typedef tuple<int,int,int> T;\n\ntypedef vector<ll> vec;\n\ntypedef vector<vec> mat;\n\n#define rep(i, n) for(ll i = 0; i < (n); i++)\n\n#define revrep(i, n) for(ll i = (n-1); i >= 0; i--)\n\n#define pb push_back\n\n#define f first\n\n#define s second\n\nconst ll INFL = 1LL << 60;//10^18 = 2^60\n\nconst int INF = 1 << 30;//10^9\n\nconst ll MOD = 1e9 + 7;\n\n//const ll MOD = 998244353;\n\nvector<ll> dy = {0, 0, 1, -1, 1, 1, -1, -1, 0};\n\nvector<ll> dx = {1, -1, 0, 0, 1, -1, 1, -1, 0};\n\n\n\nll max(ll a, ll b){return (a > b) ? a : b;}\n\nll min(ll a, ll b){return (a < b) ? a : b;}\n\nll pow_long(ll x, ll k){\n\n ll res = 1;\n\n while(k > 0){\n\n if(k % 2) res *= x;\n\n x *= x;\n\n k /= 2;\n\n }\n\n return res;\n\n}\n\nll pow_mod(ll x, ll k){\n\n x %= MOD; x += MOD; x %= MOD;\n\n ll res = 1;\n\n while(k > 0){\n\n if(k % 2){\n\n res *= x; res %= MOD;\n\n }\n\n x *= x; x %= MOD;\n\n k /= 2;\n\n }\n\n return res;\n\n}\n\nll inverse(ll x){return pow_mod(x, MOD - 2);};\n\n\n\n//\u6700\u5927\u516c\u7d04\u6570\n\nll gcd(ll a, ll b){\n\n if(b == 0) return a;\n\n return gcd(b, a % b);\n\n}\n\n\n\n//\u6700\u5c0f\u516c\u500d\u6570\n\nll lcm(ll x, ll y){return x / gcd(x, y) * y;};\n\n\n\n//\u30b3\u30f3\u30d3\u30cd\u30fc\u30b7\u30e7\u30f3\n\nconst int MAXcomb = 200010;\n\nll fac[MAXcomb], finv[MAXcomb], inv[MAXcomb];\n\n//fac\u306fn!,finv\u306f1/n!\n\n//inv\u306f\u9006\u5143\n\nvoid COMinit(){\n\n fac[0] = fac[1] = 1;\n\n finv[0] = finv[1] = 1;\n\n inv[1] = 1;\n\n for(int i = 2; i < MAXcomb; i++){\n\n fac[i] = fac[i-1] * i % MOD;\n\n inv[i] = MOD - inv[MOD%i] * (MOD/i) % MOD;\n\n finv[i] = finv[i-1] * inv[i] % MOD;\n\n }\n\n}\n\nll comb(int n, int k){\n\n if(n < k) return 0;\n\n if(n < 0 || k < 0) return 0;\n\n return fac[n] * finv[k] % MOD * finv[n-k] % MOD;\n\n}\n\n\n\nll N;\n\nvector<ll> A;\n\n\n\nbool cmp(int i, int j){\n\n return A[i] > A[j];\n\n}\n\n\n\nint main(void){\n\n cin >> N;\n\n A.resize((1 << N) + 1);\n\n rep(i, 1 << N) cin >> A[i];\n\n A[1 << N] = -1;\n\n vector<pair<ll,ll>> ans(1 << N, {-1, (1 << N)});\n\n rep(i, (1 << N)){\n\n ans[i].first = i;\n\n }\n\n\n\n rep(i, N)rep(j, (1 << N)){\n\n if((j >> i) & 1){\n\n vector<ll> x = {ans[j].f, ans[j].s, ans[j-(1 << i)].f, ans[j-(1 << i)].s};\n\n sort(x.begin(), x.end(), cmp);\n\n x.erase(unique(x.begin(), x.end()), x.end());\n\n ans[j] = {x[1], x[0]};\n\n }\n\n }\n\n ll now = -1;\n\n for(int i = 1; i <= (1 << N)-1; i++){\n\n now = max(now, A[ans[i].f] + A[ans[i].s]);\n\n cout << now << endl;\n\n }\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003636"}322{"label": "pie_cpp_test_003637", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 83, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 83, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003637.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003637", "task_path": "tasks/test/pie_cpp_test_003637.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nconst int inf = 1000000000;\n\n\n\nint main() {\n\n\tint n;\n\n\tcin >> n;\n\n\n\n\tint m = 1 << n;\n\n\n\n\tvector<int> a;\n\n\ta.resize(m);\n\n\n\n\tfor(int i = 0; i < m; ++i) {\n\n\t\tcin >> a[i];\n\n\t}\n\n\n\n\tvector<int> dp_1;\n\n\tdp_1.resize(m);\n\n\tiota(dp_1.begin(), dp_1.end(), 0);\n\n\n\n\tvector<int> dp_2;\n\n\tdp_2.assign(m, -1);\n\n\n\n\tfor(int S = 0; S < m; ++S) {\n\n\t\tfor(int i = 0; i < n; ++i) {\n\n\t\t\tif((S >> i & 1) == 0) {\n\n\t\t\t\tif(dp_1[S] != dp_1[S ^ (1 << i)]) {\n\n\t\t\t\t\tif(a[dp_1[S]] >= a[dp_1[S ^ (1 << i)]]) {\n\n\t\t\t\t\t\tdp_2[S ^ (1 << i)] = dp_1[S ^ (1 << i)];\n\n\t\t\t\t\t\tdp_1[S ^ (1 << i)] = dp_1[S];\n\n\t\t\t\t\t} else if(dp_2[S ^ (1 << i)] == -1 || a[dp_1[S]] > a[dp_2[S ^ (1 << i)]]) {\n\n\t\t\t\t\t\tdp_2[S ^ (1 << i)] = dp_1[S];\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\n\tint ans = -inf;\n\n\n\n\tfor(int i = 1; i < m; ++i) {\n\n\t\tans = max(ans, a[dp_1[i]] + a[dp_2[i]]);\n\n\t\tcout << ans << '\\n';\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003637"}323{"label": "pie_cpp_test_003638", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 112, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 112, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003638.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003638", "task_path": "tasks/test/pie_cpp_test_003638.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\n#define rep(i,l,r) for (int i=(l); i<=(r); i++)\n\nusing namespace std;\n\n\n\nconst int N=300010;\n\nint n,m,a[N],r[N],mx[N];\n\n\n\nint main(){\n\n scanf(\"%d\",&m); int n=1<<m;\n\n for (int i=0; i<n; i++) scanf(\"%d\",&a[i]);\n\n for (int i=0; i<n; i++)\n\n for (int j=i; j<n; j=(j+1)|i)\n\n r[j]=max(r[j],a[i]+mx[j]),mx[j]=max(mx[j],a[i]);\n\n for (int i=1; i<n; i++) printf(\"%d\\n\",r[i]=max(r[i],r[i-1]));\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003638"}324{"label": "pie_cpp_test_003639", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 53, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 53, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003639.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003639", "task_path": "tasks/test/pie_cpp_test_003639.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<cstring>\n\n#include<cstdio>\n\n#include<queue>\n\n#include<set>\n\n#include<map>\n\nusing namespace std;\n\ntemplate<typename __T>\n\ninline void read(__T &x)\n\n{\n\n x=0;\n\n int f=1;char c=getchar();\n\n while(!isdigit(c)){if(c=='-')\tf=-1;c=getchar();}\n\n while(isdigit(c))\t{x=x*10+c-'0';c=getchar();}\n\n x*=f;\n\n}\n\nstruct node\n\n{\n\n\tint mx1,mx2;\n\n\tint pos1,pos2;\n\n};\n\nnode unio(node a,node b)\n\n{\n\n\t//cout<<\"GG\"<<endl;\n\n\tint aa[4];\n\n\taa[0]=a.mx1;\n\n\taa[1]=a.mx2;\n\n\taa[2]=b.mx1;\n\n\taa[3]=b.mx2;\n\n\tsort(aa,aa+4);\n\n\tnode ret;\n\n\tret.mx1=aa[3];\n\n\tret.mx2=aa[2];\n\n\treturn ret;\n\n}\n\nint n;\n\nint nn;\n\nint a[300005];\n\nnode p[300005];\n\nint main()\n\n{\n\n\tread(nn);\n\n\tn=(1<<nn);\n\n\tfor(int i=0;i<n;i++)\n\n\t\tread(a[i]);\n\n\tfor(int i=0;i<n;i++)\n\n\t{\n\n\t\tp[i].mx1=a[i];//cout<<\"E\"<<endl;\n\n\t}\n\n\tfor(int i=0;i<nn;i++)\n\n\t\tfor(int j=0;j<n;j++)\n\n\t\t\tif((j>>i)&1)\n\n\t\t\t\tp[j]=unio(p[j],p[j^(1<<i)]);//cout<<\"E\"<<endl;\n\n\t\t\t\t\n\n//\tfor(int i=0;i<n;i++)\tcout<<p[i].mx1<<' '<<p[i].mx2<<endl;\n\n//\tfor(int j=1;j<n;j++)\n\n//\t\tp[j]=unio(p[j],p[j-1]);\n\n//\tfor(int i=0;i<n;i++)\tcout<<p[i].mx1<<' '<<p[i].mx2<<endl;\n\n\tint ans=0;\n\n\tfor(int i=1;i<n;i++)\n\n\t{\n\n\t\tans=max(ans,p[i].mx1+p[i].mx2);\n\n\t\tcout<<ans<<endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003639"}325{"label": "pie_cpp_test_003640", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 657, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 657, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003640.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003640", "task_path": "tasks/test/pie_cpp_test_003640.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nusing Int = long long;\n\n\n\ntemplate<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}\n\ntemplate<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}\n\n\n\n//INSERT ABOVE HERE\n\nsigned main(){\n\n Int n;\n\n cin>>n;\n\n Int s=1<<n;\n\n vector<Int> a(s);\n\n for(Int i=0;i<s;i++) cin>>a[i];\n\n\n\n priority_queue<Int> pq(a.begin(),a.end());\n\n Int r=0;\n\n r+=pq.top();pq.pop();\n\n r+=pq.top();pq.pop();\n\n \n\n Int ans=0;\n\n for(Int b=1;b<s;b++){\n\n if(ans<r){\n\n Int p=-1,q=-1;\n\n for(Int x=b;;x=(x-1)&b){\n\n\tif(a[x]>=p){\n\n\t chmax(q,p);\n\n\t p=a[x];\n\n\t}else chmax(q,a[x]);\n\n\tif(x==0) break;\n\n }\n\n //cout<<p<<\" \"<<q<<endl;\n\n chmax(ans,p+q);\n\n }\n\n cout<<ans<<endl;\n\n }\n\n \n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003640"}326{"label": "pie_cpp_test_003641", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 72, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 72, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003641.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003641", "task_path": "tasks/test/pie_cpp_test_003641.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <cstddef>\n\n#include <vector>\n\n\n\ntemplate <class S>\n\nvoid subset_zeta_transform(std::vector<typename S::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n for (size_t i = 1; i < n; i *= 2) {\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j] = S::operation(a[j & ~i], a[j]);\n\n }\n\n }\n\n}\n\n\n\ntemplate <class S>\n\nvoid superset_zeta_transform(std::vector<typename S::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n for (size_t i = 1; i < n; i *= 2) {\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j & ~i] = S::operation(a[j & ~i], a[j]);\n\n }\n\n }\n\n}\n\n\n\ntemplate <class G>\n\nvoid subset_mobius_transform(std::vector<typename G::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n size_t i = 1;\n\n while (i < n)\n\n i *= 2;\n\n while (i != 1) {\n\n i /= 2;\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j] = G::operation(G::inverse(a[j & ~i]), a[j]);\n\n }\n\n }\n\n}\n\n\n\ntemplate <class G>\n\nvoid superset_mobius_transform(std::vector<typename G::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n size_t i = 1;\n\n while (i < n)\n\n i *= 2;\n\n while (i != 1) {\n\n i /= 2;\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j & ~i] = G::operation(a[j & ~i], G::inverse(a[j]));\n\n }\n\n }\n\n}\n\n\n\n#include <algorithm>\n\n#include <array>\n\n#include <functional>\n\n#include <iostream>\n\n\n\nstruct top2 {\n\n using value_type = std::array<int, 2>;\n\n\n\n static value_type operation(const value_type &l, const value_type &r) {\n\n std::array<int, 4> v = {l[0], l[1], r[0], r[1]};\n\n std::sort(v.begin(), v.end(), std::greater<int>());\n\n return {v[0], v[1]};\n\n }\n\n static constexpr value_type identity = {0, 0};\n\n};\n\nconstexpr typename top2::value_type top2::identity;\n\n\n\nint main() {\n\n int n;\n\n std::cin >> n;\n\n std::vector<top2::value_type> a(1 << n);\n\n\n\n for (auto &e : a) {\n\n std::cin >> e[0];\n\n }\n\n\n\n subset_zeta_transform<top2>(a);\n\n a.erase(a.begin());\n\n int cur = 0;\n\n for (const auto &e : a) {\n\n cur = std::max(cur, e[0] + e[1]);\n\n std::cout << cur << std::endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003641"}327{"label": "pie_cpp_test_003642", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 55, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 55, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003642.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003642", "task_path": "tasks/test/pie_cpp_test_003642.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <cstddef>\n\n#include <vector>\n\n\n\ntemplate <class S>\n\nvoid subset_zeta_transform(std::vector<typename S::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n for (size_t i = 1; i < n; i *= 2) {\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j] = S::operation(a[j & ~i], a[j]);\n\n }\n\n }\n\n}\n\n\n\ntemplate <class S>\n\nvoid superset_zeta_transform(std::vector<typename S::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n for (size_t i = 1; i < n; i *= 2) {\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j & ~i] = S::operation(a[j & ~i], a[j]);\n\n }\n\n }\n\n}\n\n\n\ntemplate <class G>\n\nvoid subset_mobius_transform(std::vector<typename G::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n size_t i = 1;\n\n while (i < n)\n\n i *= 2;\n\n while (i != 1) {\n\n i /= 2;\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j] = G::operation(G::inverse(a[j & ~i]), a[j]);\n\n }\n\n }\n\n}\n\n\n\ntemplate <class G>\n\nvoid superset_mobius_transform(std::vector<typename G::value_type> &a) {\n\n using size_t = std::size_t;\n\n\n\n const size_t n = a.size();\n\n size_t i = 1;\n\n while (i < n)\n\n i *= 2;\n\n while (i != 1) {\n\n i /= 2;\n\n for (size_t j = 0; j != n; j += 1) {\n\n if ((j & i) != 0)\n\n a[j & ~i] = G::operation(a[j & ~i], G::inverse(a[j]));\n\n }\n\n }\n\n}\n\n\n\n#include <algorithm>\n\n#include <array>\n\n#include <cstdio>\n\n#include <functional>\n\n\n\n\n\nint scan() {\n\n int r = 0, c;\n\n while ((c = getchar_unlocked() - '0') >= 0)\n\n r = r * 10 + c;\n\n return r;\n\n}\n\n\n\nstruct top2 {\n\n using value_type = std::array<int, 2>;\n\n\n\n static value_type operation(const value_type &l, const value_type &r) {\n\n std::array<int, 4> v = {l[0], l[1], r[0], r[1]};\n\n std::sort(v.begin(), v.end(), std::greater<int>());\n\n return {v[0], v[1]};\n\n }\n\n static constexpr value_type identity = {0, 0};\n\n};\n\nconstexpr typename top2::value_type top2::identity;\n\n\n\nint main() {\n\n const int n = scan();\n\n std::vector<top2::value_type> a(1 << n);\n\n\n\n for (auto &e : a) {\n\n e[0] = scan();\n\n }\n\n\n\n subset_zeta_transform<top2>(a);\n\n a.erase(a.begin());\n\n int cur = 0;\n\n for (const auto &e : a) {\n\n cur = std::max(cur, e[0] + e[1]);\n\n printf(\"%d\\n\", cur);\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003642"}328{"label": "pie_cpp_test_003643", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 476, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 476, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003643.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003643", "task_path": "tasks/test/pie_cpp_test_003643.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n// \u306f\u3058\u3081\u3066\u306e\u9ad8\u901f\u30bc\u30fc\u30bf\u5909\u63db\n\n// \u7406\u89e3\u5ea6\u306f50%\u304f\u3089\u3044\n\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> pii;\n\n\n\nint main(){\n\n auto f = [](pii p, pii q)->pii{\n\n int a[4] = {p.first, p.second, q.first, q.second};\n\n sort(a, a+4);\n\n return {a[3], a[2]};\n\n };\n\n int n;\n\n cin >> n;\n\n vector<pii> v(1<<n, {0,0});\n\n for(int i = 0; i < 1<<n; i++) cin >> v[i].first;\n\n for(int j = 0; j < n; j++){\n\n for(int i = 0; i < 1<<n; i++){\n\n if((i>>j)&1){\n\n v[i] = f(v[i], v[i&~(1<<j)]);\n\n }\n\n }\n\n }\n\n vector<int> ans(1<<n, 0);\n\n for(int i = 1; i < 1<<n; i++) ans[i] = max(ans[i-1], v[i].first+v[i].second);\n\n for(int i = 1; i < 1<<n; i++) cout << ans[i] << endl;\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003643"}329{"label": "pie_cpp_test_003644", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 72, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 72, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003644.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003644", "task_path": "tasks/test/pie_cpp_test_003644.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n \n\n#define forn(i,n) for(int i=0;i<(int)(n);i++)\n\n#define si(c) ((int)(c).size())\n\n#define forsn(i,s,n) for(int i = (int)(s); i<((int)n); i++)\n\n#define dforsn(i,s,n) for(int i = (int)(n)-1; i>=((int)s); i--)\n\n#define all(c) (c).begin(), (c).end()\n\n#define D(a) cerr << #a << \"=\" << a << endl;\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define mp make_pair\n\n \n\ntypedef long long int ll;\n\ntypedef vector<int> vi;\n\ntypedef pair<int,int> pii;\n\n\n\nconst int N = 18;\n\n\n\nint n;\n\nint best[1<<N][3];\n\n\n\nvoid insert(int mask, int val){\n\n auto a = best[mask];\n\n a[2] = val;\n\n if (a[2] > a[1]) swap(a[2], a[1]);\n\n if (a[1] > a[0]) swap(a[1], a[0]);\n\n}\n\n \n\nint main() {\n\n ios_base::sync_with_stdio(0); cin.tie(0);\n\n cin >> n;\n\n forn(i,1<<n) {\n\n int x; cin >> x;\n\n insert(i,x);\n\n }\n\n forn(i,n) {\n\n forn(mask, 1<<n) if ((mask>>i)&1) {\n\n int nmask = mask - (1<<i);\n\n forn(j,2) insert(mask, best[nmask][j]);\n\n }\n\n }\n\n\n\n\n\n for (int k = 2; k <= (1<<n); k++) {\n\n int ans = 0; \n\n forn(i,n+1) if ((k>>i)&1) {\n\n int nk = (((k>>i) - 1) << i) + (1<<i) - 1;\n\n ans = max(ans, best[nk][0] + best[nk][1]);\n\n }\n\n cout << ans << '\\n';\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003644"}330{"label": "pie_cpp_test_003645", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003645.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003645", "task_path": "tasks/test/pie_cpp_test_003645.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint n,a[1<<18],b[1<<18],ans,x,y;\n\nint main(void){\n\n cin>>n;\n\n for(int i=0;i<1<<n;i++)cin>>a[i];\n\n for(int i=0;i<n;i++){\n\n for(int j=0;j<1<<n;j++){\n\n if(j&(1<<i)){\n\n x=a[j^(1<<i)],y=b[j^(1<<i)];\n\n if(a[j]<x)swap(a[j],x);\n\n b[j]=max(b[j],max(x,y));\n\n }\n\n }\n\n }\n\n for(int i=1;i<1<<n;i++){\n\n ans=max(ans,a[i]+b[i]);\n\n cout<<ans<<endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003645"}331{"label": "pie_cpp_test_003646", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 367, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 367, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003646.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003646", "task_path": "tasks/test/pie_cpp_test_003646.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<stdio.h>\n\n#include<vector>\n\n#include<cmath>\n\n#include<queue>\n\n#include<string.h>\n\n#include<map>\n\n#include<set>\n\n#include<algorithm>\n\n#define ll long long\n\n#define pi pair < ll,ll >\n\n#define mp(a,b) make_pair(a,b)\n\n#define rep(i,a,b) for(int i = a;i < b;i++)\n\n#define N 300004\n\n#define INF 1e9+7\n\n\n\nusing namespace std;\n\n\n\nll ola,n,ar[N],ans[N];\n\npi dp[N];\n\n\n\nbool ison(ll mask,ll ind)\n\n{\n\n return (mask>>ind)&1;\n\n}\n\n\n\nvoid solve()\n\n{\n\n dp[0].first = ar[0];\n\n dp[0].second = -INF;\n\n\n\n rep(i,1,ola)\n\n {\n\n dp[i].first = -INF;\n\n dp[i].second = -INF;\n\n\n\n // cout << \"i: \" << i << \"\\n\";\n\n\n\n for(int j = i;j >= 0;j = i&(j-1))\n\n {\n\n // cout << j << \" \";\n\n if(ar[j] >= dp[i].first)\n\n {\n\n dp[i].second = dp[i].first;\n\n dp[i].first=ar[j];\n\n }\n\n else if(ar[j] > dp[i].second)\n\n {\n\n dp[i].second=ar[j];\n\n }\n\n\n\n if(j == 0)\n\n break;\n\n }\n\n\n\n //cout << endl << dp[i].first << \" \" << dp[i].second << endl;;\n\n\n\n ans[i] = dp[i].first+dp[i].second;\n\n }\n\n\n\n return;\n\n}\n\n\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n cin >> n;\n\n ola = (1<<n);\n\n\n\n rep(i,0,ola)\n\n cin >> ar[i];\n\n\n\n solve();\n\n\n\n rep(k,1,ola)\n\n {\n\n ans[k] = max(ans[k],ans[k-1]);\n\n cout << ans[k] << \"\\n\";\n\n // cout << dp[k].first << \" \" <<dp[k].second << \"\\n\";\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003646"}332{"label": "pie_cpp_test_003647", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 235, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 235, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003647.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003647", "task_path": "tasks/test/pie_cpp_test_003647.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <climits>\n\n#include <cmath>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <string>\n\n#include <cstdio>\n\n#include <climits>\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <string>\n\n#include <vector>\n\n#include <utility>\n\n#include <queue>\n\n#include <cstring>\n\n#include <set>\n\n#include <map>\n\n#include <complex>\n\n#define rep(i, n) for (int i = 0; i < int(n); i++)\n\nusing namespace std;\n\nlong long MOD = 1000000007LL;\n\nlong long INF = 1000000000000000; //10^15\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\n\n\nll powMod(ll x, ll n, ll mod) {\n\n if (n == 0) return 1LL;\n\n ll t = powMod(x, n/2, mod);\n\n t = t * t % mod;\n\n if (n & 1) return t * x % mod;\n\n return t;\n\n}\n\n\n\nll a[(1 << 18) + 10];\n\n\n\nint main(void) {\n\n\n\n int n, D;\n\n \n\n cin >> D;\n\n n = 1 << D;\n\n \n\n rep(i, n) scanf(\"%lld\", &a[i]);\n\n\n\n \n\n\n\n vector<ll> ans(n + 10);\n\n vector< pair<ll, ll> > b(n + 10);\n\n vector<int> c(D + 10);\n\n \n\n\n\n b[0].first = 0;\n\n b[0].second = -1;\n\n b[1].first = 1;\n\n b[1].second = -1;\n\n\n\n \n\n ans[1] = a[0] + a[1];\n\n printf(\"%lld\\n\", ans[1]);\n\n\n\n \n\n for (int k = 2; k < n; k++) {\n\n c.clear();\n\n int j = 0;\n\n for (int i = 0; i <= D; i++) {\n\n if ((k >> i) & 1) c[j++] = i;\n\n }\n\n \n\n vector<ll> d;\n\n for (int i = j - 2; i >= 0; i--) {\n\n d.push_back(b[k - (1 << c[i])].first);\n\n if (b[k - (1 << c[i])].second != -1) {\n\n\td.push_back(b[k - (1 << c[i])].second);\n\n }\n\n }\n\n d.push_back(k);\n\n \n\n int f = d[0], s = -1;\n\n\n\n for (int i = 0; i < d.size(); i++) {\n\n if (a[f] < a[d[i]]) f = d[i];\n\n }\n\n\n\n for (int i = 0; i < d.size(); i++) {\n\n if (d[i] != f && (s == -1 || a[s] < a[d[i]])) s = d[i];\n\n }\n\n \n\n b[k].first = f;\n\n b[k].second = s;\n\n\n\n int l = k, m = j - 1;\n\n ll g = 0;\n\n while (m >= 0) {\n\n l -= 1 << c[m--];\n\n g = max(g, a[b[l].first]);\n\n }\n\n\n\n if (s == -1) ans[k] = a[f] + g;\n\n else ans[k] = a[f] + max(g, a[s]);\n\n ans[k] = max(ans[k - 1], ans[k]);\n\n\n\n cout << ans[k] << endl;\n\n\n\n }\n\n\n\n return 0;\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003647"}333{"label": "pie_cpp_test_003648", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 573, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 573, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003648.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003648", "task_path": "tasks/test/pie_cpp_test_003648.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint a[1000010],n,r,s1,s2;\n\nint main(){\n\n\tscanf(\"%d\",&n);\n\n\tfor(int i=0;i<(1<<n);i++)\n\n\t\tscanf(\"%d\",&a[i]);\n\n\tfor(int i=1;i<(1<<n);i++){\n\n\t\ts1=a[0],s2=0;\n\n\t\tfor(int j=i;j;j=(j-1)&i){\n\n\t\t\tif(a[j]>s1){\n\n\t\t\t\ts2=s1;\n\n\t\t\t\ts1=a[j];\n\n\t\t\t}\n\n\t\t\telse if(a[j]>s2)\n\n\t\t\t\ts2=a[j];\n\n\t\t}\n\n\t\tr=max(r,s1+s2);\n\n\t\tprintf(\"%d\\n\",r);\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003648"}334{"label": "pie_cpp_test_003649", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 68, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 68, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003649.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003649", "task_path": "tasks/test/pie_cpp_test_003649.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\ntypedef long long ll;\n\nusing namespace std;\n\nconst int N = 1e5 + 10;\n\nll dp[1 << 18];\n\nint a[1 << 18];\n\nint main() {\n\n ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);\n\n int n, c = 0;\n\n ll mx;\n\n cin >> n;\n\n mx = (1 << n);\n\n for (int i = 0; i < mx; i++) {\n\n cin >> a[i];\n\n }\n\n for(int i = 0; i < mx; i++) dp[i] = mx*i;\n\n ll ans = 0;\n\n for(int s = 1; s < mx; s++) {\n\n for(int i = 0; i < n; i++) {\n\n if((s >> i) & 1) {\n\n int s0 = s ^ (1 << i);\n\n ll tmp[4] = {dp[s0]%mx, dp[s0]/mx, dp[s]/mx, dp[s]%mx};\n\n sort(tmp, tmp + 4, [&](ll x, ll y){return a[x]>a[y];});\n\n unique(tmp, tmp + 4);\n\n dp[s] = tmp[0]+tmp[1]*mx;\n\n }\n\n }\n\n ll res = a[dp[s]/mx] + a[dp[s]%mx];\n\n ans = max(ans, res);\n\n cout << ans << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003649"}335{"label": "pie_cpp_test_003650", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 122, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 122, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003650.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003650", "task_path": "tasks/test/pie_cpp_test_003650.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cstdio>\n\n#include <cstring>\n\n\n\n#define int long long\n\n\n\nconst int Maxv = 300010; \n\n\n\nint ans[Maxv], max[Maxv], num, n; \n\n\n\nsigned main() {\n\n scanf(\"%lld\", &n); \n\n \n\n for (int i = 0; i < (1 << n); i++) {\n\n scanf(\"%lld\", &num); \n\n \n\n for(int j = i; j < (1 << n); ((++j) |= i)) {\n\n ans[j] = std::max(ans[j], max[j] + num); \n\n max[j] = std::max(max[j], num); \n\n }\n\n }\n\n \n\n for (int i = 1; i < 1 << n; i++) {\n\n printf(\"%lld\\n\", ans[i]); \n\n ans[i + 1] = std::max(ans[i + 1], ans[i]); \n\n }\n\n \n\n return 0; \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003650"}336{"label": "pie_cpp_test_003651", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 87, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 87, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003651.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003651", "task_path": "tasks/test/pie_cpp_test_003651.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define ll long long\n\n#define ld double\n\n#define mk make_pair\n\n#define pb push_back\n\n#define P pair<int,int>\n\n#define fi first\n\n#define se second\n\n#define F(x) freopen(x\".in\",\"r\",stdin);freopen(x\".out\",\"w\",stdout);\n\nusing namespace std;\n\ninline int read(){\n\n int x=0,f=1;char ch=getchar();\n\n while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}\n\n while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}\n\n return x*f;\n\n}\n\nstruct E{int v,nxt;};\n\nint n,a[2000005],l,s[2000005][2],tmp[4];\n\nbool comp(int x,int y){return a[x]>a[y];}\n\nint main(){\n\n\tn=read();l=1<<n;\n\n\tfor(int i=0;i<l;++i)a[i]=read();\n\n\ta[l]=-0x3f3f3f3f;\n\n\tfor(int i=0;i<l;++i){\n\n\t\tmemset(tmp,0,sizeof tmp);\n\n\t\ts[i][0]=i,s[i][1]=l;\n\n\t\tfor(int j=0;j<n;++j)\n\n\t\t\tif(i&(1<<j)){\n\n\t\t\t\tint f=i^(1<<j);\n\n\t\t\t\ttmp[0]=s[i][0];tmp[1]=s[i][1];tmp[2]=s[f][0];tmp[3]=s[f][1];\n\n\t\t\t\tsort(tmp,tmp+4,comp);\n\n\t\t\t\ts[i][0]=tmp[0];\n\n\t\t\t\tif(tmp[0]!=tmp[1])s[i][1]=tmp[1];\n\n\t\t\t\telse s[i][1]=tmp[2];\n\n\t\t\t}\n\n\t}\n\n\tint ans=0;\n\n\tfor(int i=1;i<l;++i){\n\n\t\tans=max(a[s[i][0]]+a[s[i][1]],ans);\n\n\t\tprintf(\"%d\\n\",ans);\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003651"}337{"label": "pie_cpp_test_003652", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 59, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 59, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003652.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003652", "task_path": "tasks/test/pie_cpp_test_003652.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint n, a[(1 << 18) + 5], ans[(1 << 18) + 5];\n\n\n\nint main() {\n\n\tscanf(\"%d\", &n);\n\n\tn = 1 << n;\n\n\n\n\tfor(int i = 0; i < n; i++)\n\n\t\tscanf(\"%d\", &a[i]);\n\n\n\n\tfor(int mask = 1; mask < n; mask++) {\n\n\t\tint x = a[0], y = 0;\n\n\t\tfor(int msk = mask; msk > 0; msk = (msk - 1) & mask) {\n\n\t\t\tif(a[msk] > x) {\n\n\t\t\t\ty = x;\n\n\t\t\t\tx = a[msk];\n\n\t\t\t}\n\n\n\n\t\t\telse if(a[msk] > y)\n\n\t\t\t\ty = a[msk];\n\n\t\t}\n\n\n\n\t\tans[mask] = x + y;\n\n\t}\n\n\n\n\tfor(int i = 1; i < n; i++) {\n\n\t\tans[i] = max(ans[i - 1], ans[i]);\n\n\t\tprintf(\"%d\\n\", ans[i]);\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003652"}338{"label": "pie_cpp_test_003653", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 229, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 229, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003653.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003653", "task_path": "tasks/test/pie_cpp_test_003653.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//Coded by not_surrender\n\n#pragma GCC optimize (\"O3\")\n\n\n\n#include <bits/stdc++.h>\n\n\n\n#define MAXN 300003\n\n#define MOD 1000000007\n\n#define oo (1<<20)\n\n#define mid ((a+b)/2)\n\n#define pb push_back\n\n#define sz size()\n\n#define fastCpp() ios_base::sync_with_stdio( false ), cin.tie( NULL ), cout.tie( NULL )\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef vector <int> vi;\n\n\n\nint N, A[MAXN], ans, best[2];\n\n \n\nint main(){\n\n\n\n #ifndef ONLINE_JUDGE\n\n\t\t//~ freopen( \"a.txt\", \"r\", stdin );\n\n #endif // ONLINE_JUDGE\n\n \n\n fastCpp();\n\n \n\n scanf( \"%d\", &N );\n\n \n\n N = 1<<N;\n\n \n\n for ( int i = 0; i < N; ++i )\n\n\t\tscanf( \"%d\", &A[i] );\n\n\t\t\n\n\tfor ( int i = 1; i < N; ++i ){\n\n\t\tbest[0] = A[0];\n\n\t\tbest[1] = 0;\n\n\t\tfor ( int j = i; j; j = (j-1)&i )\n\n\t\t\tif ( A[j] > best[0] )\n\n\t\t\t\tbest[1] = best[0], best[0] = A[j];\n\n\t\t\telse\n\n\t\t\t\tif ( A[j] > best[1] )\n\n\t\t\t\t\tbest[1] = A[j];\n\n\t\tans = max( ans, best[0]+best[1] );\n\n\t\tprintf( \"%d\\n\", ans );\n\n\t}\n\n\t\n\nreturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003653"}339{"label": "pie_cpp_test_003654", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 165, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 165, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003654.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003654", "task_path": "tasks/test/pie_cpp_test_003654.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define int long long\n\nconst int N = 1 << 18;\n\nconst int LG = 18;\n\nconst int INF = 1e9 + 7;\n\npair <int, int> merge(pair <int, int> a, pair <int, int> b) {\n\n vector <int> v = {a.first, a.second, b.first, b.second};\n\n sort(v.begin(), v.end());\n\n return {v[2], v[3]};\n\n} \n\nint a[N];\n\npair <int, int> dp[N][LG + 1];\n\nsigned main() {\n\n #ifdef HOME\n\n freopen(\"input.txt\", \"r\", stdin);\n\n #else\n\n ios_base::sync_with_stdio(0); cin.tie(0);\n\n #endif\n\n int n;\n\n cin >> n;\n\n for (int i = 0; i < (1 << n); ++i) cin >> a[i];\n\n for (int i = 0; i < (1 << n); ++i) {\n\n dp[i][LG] = {a[i], -INF};\n\n for (int p = LG - 1; p >= 0; --p) {\n\n if ((i >> p) & 1) {\n\n dp[i][p] = merge(dp[i][p + 1], dp[i - (1 << p)][p + 1]);\n\n } \n\n else {\n\n dp[i][p] = dp[i][p + 1];\n\n }\n\n } \n\n } \n\n int ans = 0;\n\n for (int i = 1; i < (1 << n); ++i) {\n\n ans = max(ans, dp[i][0].first + dp[i][0].second);\n\n cout << ans << '\\n';\n\n } \n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003654"}340{"label": "pie_cpp_test_003655", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 66, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 66, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003655.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003655", "task_path": "tasks/test/pie_cpp_test_003655.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\t\n\n#include <ext/pb_ds/assoc_container.hpp>\n\n#include <ext/pb_ds/tree_policy.hpp>\n\n#define pb push_back\n\n#define mp make_pair\n\n#define F first\n\n#define S second\n\n#define ld long double\n\n#define pii pair <int, int>\n\n#define sz(a) (int)(a.size()) \n\n#define resize(v) v.resize(unique(all(v)) - v.begin()); \n\n#define all(a) a.begin(), a.end()\n\n#define forit(it, s) for(__typeof(s.begin()) it = s.begin(); it != s.end(); it ++)\n\n\n\n// random_device rd; mt19937 g(rd()); \n\n \t\n\nusing namespace std;\n\nusing namespace __gnu_pbds;\n\n \n\nvoid Fast_Read_Out()\n\n{\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(), cout.tie();\n\n}\n\n \n\nvoid Random()\n\n{\n\n unsigned int seed; \n\n asm(\"rdtsc\" : \"=A\" (seed));\n\n srand(seed); \n\n}\n\n \n\nunsigned int Time()\n\n{\n\n unsigned int time = clock() / 1000.00; \n\n return time;\n\n}\n\n\n\ntemplate <typename T> using ordered_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>; \n\n \n\nconst int mod = (int)1e9 + 7;\n\nconst int N = (int)(1 << 19);\n\n\n\nint n, a[N];\n\nset <pair <int, int> > dp[N];\n\nset <pair <int, int> > cur;\n\n\n\nset <pair <int, int> > Merge(set <pair <int, int> > a, set <pair <int, int> > b)\n\n{\n\n\tcur.clear();\n\n\tfor(auto to : a) cur.insert(mp(-to.F, to.S));\n\n\tfor(auto to : b) cur.insert(mp(-to.F, to.S));\n\n\ta.clear();\n\n\tint cnt = 0;\n\n\tfor(auto to : cur)\n\n\t{\n\n\t\tif(cnt == 2) break;\n\n\t\ta.insert(mp(-to.F, to.S));\n\n\t\tcnt++;\n\n\t}\n\n\treturn a;\n\n} \n\n\n\nint main ()\n\n{\n\n\t#ifdef JUDGE\n\n\t\tfreopen(\"input.txt\", \"r\", stdin);\n\n\t#endif\t\t\n\n\tFast_Read_Out();\n\n\tRandom();\n\n\tcin >> n;\n\n\tfor(int i = 0; i < (1 << n); i++) cin >> a[i], dp[i].insert(mp(a[i], i));\n\n\tfor(int mask = 0; mask < (1 << n); mask++)\n\n\t\tfor(int i = 0; i < n; i++)\t\n\n\t\t\tif((mask >> i) & 1) dp[mask] = Merge(dp[mask], dp[mask ^ (1 << i)]);\n\n\tint maxi = 0;\n\n\tfor(int i = 1; i < (1 << n); i++) \n\n\t{\n\n\t\tpair <int, int> v1 = *dp[i].begin();\n\n\t\tpair <int, int> v2 = *dp[i].rbegin();\n\n\t\tmaxi = max(maxi, v1.F + v2.F);\n\n\t\tcout << maxi << '\\n';\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003655"}341{"label": "pie_cpp_test_003656", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 268, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 268, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003656.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003656", "task_path": "tasks/test/pie_cpp_test_003656.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <set>\n\n#include <algorithm>\n\n#include <cctype>\n\n#include <cmath>\n\n#include <queue>\n\n#include <map>\n\n#include <numeric>\n\n#include <unordered_map>\n\n#include <iomanip>\n\n#include <functional>\n\n#include <bitset>\n\n#include <complex>\n\n\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define repi(i,a,b) for(int i=int(a);i<int(b);i++)\n\n#define all(x) (x).begin(),(x).end()\n\n\n\ntemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }\n\ntemplate<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }\n\n\n\ntypedef long long ll;\n\n\n\nusing namespace std;\n\n\n\n\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n int n;\n\n cin>>n;\n\n int l=1<<n;\n\n vector<int>a(l+1);\n\n rep(i,l)cin>>a[i];\n\n vector<pair<int,int>>dp(l);\n\n rep(i,l)\n\n {\n\n int ti=i,used=0;\n\n dp[i]={i,l};\n\n vector<int>id;\n\n id.push_back(0);\n\n id.push_back(i);\n\n id.push_back(l);\n\n while(used!=i)\n\n {\n\n int ni=((ti-1-used)&i)|used;\n\n id.push_back(dp[ni].first);\n\n id.push_back(dp[ni].second);\n\n used|=i-ni;\n\n }\n\n sort(all(id));\n\n id.erase(unique(all(id)),id.end());\n\n sort(all(id),[&](int x,int y){return a[x]>a[y];});\n\n\n\n\n\n dp[i]={id[0],id[1]};\n\n\n\n }\n\n vector<int>res(l+1);\n\n //rep(i,l)cout<<dp[i].first<<dp[i].second<<endl;\n\n rep(i,l-1)res[i+1]=max(res[i],a[dp[i+1].first]+a[dp[i+1].second]);\n\n rep(i,l-1)cout<<res[i+1]<<endl;\n\n\n\n return 0;\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003656"}342{"label": "pie_cpp_test_003657", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 79, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 79, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003657.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003657", "task_path": "tasks/test/pie_cpp_test_003657.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\nusing namespace std;\n\n\n\nusing ll = long long;\n\nusing pll = pair<ll,ll>;\n\nconst ll INF = 1ll<<60;\n\n\n\nvoid chmax (pll &a, pll b) {\n\n if (a.first < b.first) {\n\n a.second = max(a.first, b.second);\n\n a.first = b.first;\n\n }\n\n else a.second = max(a.second, b.first);\n\n}\n\n\n\nint main() {\n\n int n; cin >> n;\n\n vector<ll> a(1<<n);\n\n vector<pll> dp(1<<n);\n\n rep(i,1<<n) {\n\n cin >> a[i];\n\n dp[i] = pll(a[i], -INF);\n\n }\n\n\n\n // \u9ad8\u901f\u30bc\u30fc\u30bf\u5909\u63db\n\n rep(j,n) rep(i,1<<n) if (i & 1<<j) chmax(dp[i], dp[i^(1<<j)]);\n\n\n\n ll ans = -INF;\n\n rep(i,1<<n) {\n\n ans = max(ans, dp[i].first + dp[i].second);\n\n if (i) cout << ans << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003657"}343{"label": "pie_cpp_test_003658", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 665, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 665, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003658.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003658", "task_path": "tasks/test/pie_cpp_test_003658.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nvector<int> a;\n\nbool cmp (int i, int j) {\n\n return a[i] < a[j];\n\n}\n\nint main() {\n\n int n;\n\n cin >> n;\n\n int N = (1 << n);\n\n a.resize(N);\n\n vector<int> ret(N), M(N), m(N);\n\n for (int bs = 0; bs < N; bs++) cin >> a[bs];\n\n M[0] = 0;\n\n m[0] = 0;\n\n for (int bs = 1; bs < N; bs++) {\n\n vector<int> rpr;\n\n for (int i = 0; i < n; i++) if ((bs >> i) & 1) {\n\n int cs = bs - (1 << i);\n\n rpr.emplace_back(M[cs]);\n\n rpr.emplace_back(m[cs]);\n\n }\n\n rpr.emplace_back(bs);\n\n sort(rpr.begin(), rpr.end(), cmp);\n\n rpr.resize(unique(rpr.begin(), rpr.end()) - rpr.begin());\n\n auto it = rpr.end();\n\n M[bs] = *(--it);\n\n m[bs] = *(--it);\n\n ret[bs] = a[M[bs]] + a[m[bs]];\n\n }\n\n for (int bs = 2; bs < N; bs++) {\n\n ret[bs] = max(ret[bs], ret[bs - 1]);\n\n }\n\n for (int bs = 1; bs < N; bs++) {\n\n cout << ret[bs] << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003658"}344{"label": "pie_cpp_test_003659", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 279, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 279, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003659.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003659", "task_path": "tasks/test/pie_cpp_test_003659.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nvector<int> a;\n\nbool cmp (int i, int j) {\n\n return a[i] < a[j];\n\n}\n\nint main() {\n\n int n;\n\n cin >> n;\n\n int N = (1 << n);\n\n a.resize(N);\n\n vector<int> ret(N), M(N), m(N);\n\n for (int bs = 0; bs < N; bs++) cin >> a[bs];\n\n M[0] = 0;\n\n m[0] = 0;\n\n vector<int> rpr;\n\n for (int bs = 1; bs < N; bs++) {\n\n rpr.clear();\n\n rpr.emplace_back(bs);\n\n for (int i = 0; i < n; i++) if ((bs >> i) & 1) {\n\n int cs = bs ^ (1 << i);\n\n rpr.emplace_back(M[cs]);\n\n rpr.emplace_back(m[cs]);\n\n }\n\n sort(rpr.begin(), rpr.end(), cmp);\n\n rpr.resize(unique(rpr.begin(), rpr.end()) - rpr.begin());\n\n auto it = rpr.end();\n\n M[bs] = *(--it);\n\n m[bs] = *(--it);\n\n ret[bs] = a[M[bs]] + a[m[bs]];\n\n }\n\n int now = 0;\n\n for (int bs = 1; bs < N; bs++) {\n\n now = max(now, ret[bs]);\n\n cout << now << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003659"}345{"label": "pie_cpp_test_003660", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 696, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 696, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003660.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003660", "task_path": "tasks/test/pie_cpp_test_003660.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <stdio.h>\n\n#include <vector>\n\n#include <stack>\n\n#include <queue>\n\n#include <set>\n\n#include <map>\n\n#include <string>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <math.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int,int> ii;\n\ntypedef vector<int> vi;\n\ntypedef vector<ii> vii;\n\n\n\n#define FOR(i,n,m) for(int i=n; i<(int)m; i++)\n\n#define ROF(i,n,m) for(int i=n; i>(int)m; i--)\n\n#define pb push_back\n\n#define lb lower_bound\n\n#define ub upper_bound\n\n#define F first\n\n#define S second\n\n#define ri(a) scanf(\"%d\",&a)\n\n#define rii(a,b) ri(a),ri(b)\n\n#define riii(a,b,c) rii(a,b),ri(c)\n\n#define lri(a) scanf(\"%lld\",&a)\n\n#define lrii(a,b) lri(a),lri(b)\n\n#define ms(obj,val) memset(obj,val,sizeof(obj))\n\n#define all(x) x.begin(),x.end()\n\n#define debug true\n\n#define dprintf debug && printf\n\n\n\nconst int INF = 0x3f3f3f3f;\n\nconst ll INFLL = 1e18;\n\nconst int MOD = 1e9+7;\n\nconst int MAXN = 1<<19;\n\n\n\nii dp[MAXN];\n\nint A[MAXN];\n\nint n;\n\n\n\nii f(int mask){\n\n if(dp[mask].F != -1) return dp[mask];\n\n if(!mask) return dp[mask] = {0, -1};\n\n int mxi = 0, mxi2 = -1;\n\n for(int s = 0 ; s = (s - mask) & mask ;) {\n\n if(A[mxi] < A[s]) mxi2 = mxi, mxi = s;\n\n else if(mxi2 == -1 || A[mxi2] < A[s]) mxi2 = s;\n\n }\n\n return dp[mask] = {mxi, mxi2};\n\n}\n\n\n\nvoid mxze(int &a, int b){\n\n a = max(a,b);\n\n}\n\nvoid mnze(int &a, int b){\n\n a = min(a,b);\n\n}\n\n\n\nint main(){\n\n //ios_base::sync_with_stdio(false);\n\n //cin.tie(NULL);\n\n\n\n FOR(i,0,MAXN) dp[i] = {-1,-1};\n\n ri(n);\n\n FOR(i,0,1<<n) ri(A[i]);\n\n\n\n int ans = 0;\n\n FOR(i,1,1<<n){\n\n ii p = f(i);\n\n mxze(ans, A[p.F] + A[p.S]);\n\n printf(\"%d\\n\", ans);\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003660"}346{"label": "pie_cpp_test_003661", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 293, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 293, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003661.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003661", "task_path": "tasks/test/pie_cpp_test_003661.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <map>\n\n#include <unordered_map>\n\n#include <queue>\n\n#include <set>\n\n#include <algorithm>\n\n#include <string>\n\n#include <math.h>\n\n#include <limits.h>\n\n#include <stack>\n\n#include <complex>\n\n#include <stdlib.h>\n\n#include <stdio.h>\n\n#include <functional>\n\n\n\n\n\n#define fs first\n\n#define sc second\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<ll, int> P;\n\n\n\nll mypow(int k, int n){\n\n ll res = 1;\n\n while(n > 0){\n\n res *= k;\n\n n--;\n\n }\n\n return res;\n\n}\n\n\n\nll a[1000000];\n\npair<P, P> res[1000000];\n\n\n\nint main(){\n\n int N;\n\n cin >> N;\n\n for(int i = 0; i < mypow(2, N); i++){\n\n cin >> a[i];\n\n }\n\n\n\n res[1] = pair<P, P>(P(a[0], 0), P(a[1], 1));\n\n res[2] = pair<P, P>(P(a[0], 0), P(a[2], 2));\n\n for(int k = 3; k < mypow(2, N); k++){\n\n set<P, greater<P> > s;\n\n s.insert(P(a[k], k));\n\n s.insert(P(a[0], 0));\n\n for(int i = 0; i < 18; i++){\n\n if(((1 << i) & k) > 0){\n\n int bef = k^(1<<i);\n\n s.insert(res[bef].first);\n\n s.insert(res[bef].second);\n\n }\n\n }\n\n P x1, x2;\n\n auto itr = s.begin();\n\n x1 = *itr; itr++;\n\n x2 = *itr;\n\n res[k] = pair<P, P>(x1, x2);\n\n }\n\n\n\n /*for(int k = 1; k < mypow(2, N); k++){\n\n cout << k << \" \" << res[k].first.first << \" \" << res[k].second.first << endl;\n\n }*/\n\n\n\n ll res2[1000000];\n\n res2[1] = a[0] + a[1];\n\n for(int k = 2; k < mypow(2, N); k++){\n\n ll res_tmp = res[k].first.first + res[k].second.first;\n\n res2[k] = max(res_tmp, res2[k-1]);\n\n }\n\n for(int k = 1; k < mypow(2, N); k++){\n\n cout << res2[k] << endl;\n\n }\n\n\n\n\n\n return 0;\n\n\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003661"}347{"label": "pie_cpp_test_003662", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 64, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 64, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003662.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003662", "task_path": "tasks/test/pie_cpp_test_003662.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint a[1<<19];\n\nmultiset<int> mx[1<<19];\n\nmultiset<int>::iterator its;\n\n\n\nint main(){\n\n\tint n;\n\n\tscanf(\"%d\", &n);\n\n\tfor(int i=0;i<(1<<n);i++){\n\n\t\tscanf(\"%d\", &a[i]);\n\n\t\tmx[i].insert(a[i]);\n\n\t}\n\n\tfor(int i=0;i<n;i++){\n\n\t\tfor(int j=0;j<(1<<n);j++){\n\n\t\t\tif((j>>i)&1){\n\n\t\t\t\tfor(its = mx[j^(1<<i)].begin();its != mx[j^(1<<i)].end();its++){\n\n\t\t\t\t\tmx[j].insert(*its);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\twhile(mx[j].size() > 2) mx[j].erase(mx[j].begin());\n\n\t\t}\n\n\t}\n\n\tint ans = 0;\n\n\tfor(int i=1;i<(1<<n);i++){\n\n\t\tint res = *mx[i].rbegin() + *++mx[i].rbegin();\n\n\t\tans = max(ans, res);\n\n\t\tprintf(\"%d\\n\", ans);\n\n\t}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003662"}348{"label": "pie_cpp_test_003663", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003663.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003663", "task_path": "tasks/test/pie_cpp_test_003663.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<cmath>\n\n#include<algorithm>\n\n#define fi first\n\n#define MN (1<<18)\n\n#define mp(x,y) make_pair(x,y)\n\nusing namespace std;\n\ninline int in(){\n\n int x=0;bool f=0;char c;\n\n for (;(c=getchar())<'0'||c>'9';f=c=='-');\n\n for (x=c-'0';(c=getchar())>='0'&&c<='9';x=(x<<3)+(x<<1)+c-'0');\n\n return f?-x:x;\n\n}\n\ntypedef pair<int,int> pr;\n\nint a[MN+5];\n\npr mx[2][MN+5],b[4];\n\nint n,res;\n\ninline bool cmp(pr x,pr y){return x>y;}\n\nint main()\n\n{\n\n\tn=in();\n\n\tfor (int i=0;i<(1<<n);++i){\n\n\t\ta[i]=in();\n\n\t\tif (a[i]>mx[0][i].fi) mx[1][i]=mx[0][i],mx[0][i]=mp(a[i],i);\n\n\t\telse if (a[i]>mx[1][i].fi) mx[1][i]=mp(a[i],i);\n\n\t\tfor (int j=0;j<n;++j) if (!(i&(1<<j))){\n\n\t\t\tint tot=0;\n\n\t\t\tb[0]=mx[0][i];b[1]=mx[1][i];\n\n\t\t\tb[2]=mx[0][i|(1<<j)];b[3]=mx[1][i|(1<<j)];\n\n\t\t\tsort(b,b+4,cmp);\n\n\t\t\tfor (int k=0;k<4;++k){\n\n\t\t\t\tif ((!k)||b[k]!=b[k-1]) mx[tot++][i|(1<<j)]=b[k]; \n\n\t\t\t\tif (tot==2) break;\n\n\t\t\t}\n\n\t\t}\n\n\t\tres=max(res,mx[0][i].fi+mx[1][i].fi);\n\n\t\tif (i) printf(\"%d\\n\",res);\n\n\t}return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003663"}349{"label": "pie_cpp_test_003664", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 78, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 78, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003664.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003664", "task_path": "tasks/test/pie_cpp_test_003664.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cctype>\n\n#include <algorithm>\n\n#define MAXN 1100005\n\nusing namespace std;\n\nint a[MAXN];\n\nint fst[MAXN]={0};\n\nint sec[MAXN]={0};\n\nint tmp[25];\n\nint temp[5];\n\nint f[MAXN];\n\nint read(void);\n\nvoid write(int x);\n\nint main(void){\n\n int len,n;\n\n len=read();\n\n n=1<<len;\n\n for (int i=0;i<n;i++)\n\n fst[i]=read();\n\n for (int l=0;l<len;l++){\n\n int tpow=1<<l;\n\n for (int i=1;i<n;i++){\n\n if (i&tpow){\n\n //Use i^tpow;\n\n int tfore=i^tpow;\n\n temp[0]=fst[i],temp[1]=sec[i];\n\n temp[2]=fst[tfore],temp[3]=sec[tfore];\n\n sort(temp,temp+4);\n\n fst[i]=temp[3],sec[i]=temp[2];\n\n }\n\n }\n\n }\n\n f[0]=fst[0];\n\n for (int i=1;i<n;i++)\n\n f[i]=max(f[i-1],fst[i]+sec[i]);\n\n for (int i=1;i<n;i++)\n\n write(f[i]);\n\n return 0;\n\n}\n\n\n\nint read(void){\n\n int ans=0;\n\n char ch;\n\n do {\n\n ch=getchar();\n\n } while (!isdigit(ch));\n\n while (isdigit(ch)){\n\n ans=ans*10+(ch-'0');\n\n ch=getchar();\n\n }\n\n return ans;\n\n}\n\n\n\nvoid write(int x){\n\n int lg=0;\n\n if (!x){\n\n putchar('0');\n\n return;\n\n }\n\n while (x){\n\n tmp[lg++]=x%10;\n\n x/=10;\n\n }\n\n for (int i=lg-1;i>=0;i--)\n\n putchar(tmp[i]+'0');\n\n putchar('\\n');\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003664"}350{"label": "pie_cpp_test_003665", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 389, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 389, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003665.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003665", "task_path": "tasks/test/pie_cpp_test_003665.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\nconst int MAXN=3e5+5;\n\nint arr[MAXN];\n\nint dp[MAXN];\n\nstruct mx\n\n{\n\n int x=0,y=0;\n\n void update(int r)\n\n {\n\n if(r>x)swap(r,x);\n\n if(r>y)swap(r,y);\n\n }\n\n};\n\n\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);\n\n //freopen(\".in\",\"r\",stdin);\n\n int n;\n\n cin>>n;\n\n for(int i=0; i<(1<<n); i++)\n\n cin>>arr[i];\n\n for(int i=1; i<(1<<n); i++)\n\n {\n\n dp[i]=dp[i-1];\n\n mx temp;\n\n for(int sm=i; sm>0; sm=i&(sm-1))\n\n temp.update(arr[sm]);\n\n temp.update(arr[0]);\n\n dp[i]=max(dp[i],temp.x+temp.y);\n\n cout<<dp[i]<<'\\n';\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003665"}351{"label": "pie_cpp_test_003666", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003666.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003666", "task_path": "tasks/test/pie_cpp_test_003666.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(0);\n\n\n\n int n;\n\n cin >> n;\n\n\n\n vector<ll> data(1 << n);\n\n for(int i = 0; i < (1 << n); ++i)\n\n cin >> data[i];\n\n\n\n ll f, s, best = 0;\n\n for(int msk = 1; msk < (1 << n); ++msk){\n\n f = 0, s = -1;\n\n for(int sub = msk; sub > 0; sub = msk & (sub - 1)){\n\n if(data[sub] > data[f]){\n\n s = f;\n\n f = sub;\n\n continue;\n\n }\n\n if(s == -1 || (sub != f && data[sub] > data[s]))\n\n s = sub;\n\n }\n\n best = max(best, data[f] + data[s]);\n\n cout << best << \"\\n\";\n\n }\n\n\n\n return 0;\n\n}//RUL0\n```", "split": "test", "task_id": "pie_cpp_test_003666"}352{"label": "pie_cpp_test_003667", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 65, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 65, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003667.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003667", "task_path": "tasks/test/pie_cpp_test_003667.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntemplate<typename T>\n\ninline T read(T&x){\n\n\tx=0;int f=0;char ch=getchar();\n\n\twhile (ch<'0' || ch>'9') f|=(ch=='-'),ch=getchar();\n\n\twhile (ch>='0'&&ch<='9') x=x*10+ch-'0',ch=getchar();\n\n\treturn x=f?-x:x;\n\n}\n\nconst int N=(1<<18)+10;\n\nint n,i,j,status,a[N];\n\npair<int,int> f[N];\n\ninline void up(pair<int,int> &a,pair<int,int> b){\n\n\tif (b.second>=a.first){\n\n\t\ta=b;\n\n\t}\n\n\telse if (b.first>=a.first){\n\n\t\ta.second=a.first;\n\n\t\ta.first=b.first;\n\n\t}\n\n\telse if (b.first<a.first && b.first>=a.second){\n\n\t\ta.second=b.first;\n\n\t}\n\n}\n\nint main(){\n\n\tread(n);\n\n\tfor (i=0;i<(1<<n);++i){\n\n\t\tread(a[i]);\n\n\t\tf[i].first=a[i];\n\n\t}\n\n\tfor (i=0;i<n;++i){\n\n\t\tfor (status=0;status<(1<<n);++status){\n\n\t\t\tif (status&(1<<i)) up(f[status],f[status^(1<<i)]);\n\n\t\t}\n\n\t}\n\n\tfor (i=1;i<(1<<n);++i){\n\n\t\tint res=f[i].first+f[i].second;\n\n\t\tfor (j=1;j<n;j++){\n\n\t\t\tif (i&(1<<j)){\n\n\t\t\t\tint pos=(i^(1<<j))|((1<<j)-1);\n\n\t\t\t\tres=max(res,f[pos].first+f[pos].second);\n\n\t\t\t}\n\n\t\t}\n\n\t\tprintf(\"%d\\n\",res);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003667"}353{"label": "pie_cpp_test_003668", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003668.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003668", "task_path": "tasks/test/pie_cpp_test_003668.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing i64 = long long;\n\n\n\nint main() {\n\n int n;\n\n std::cin >> n;\n\n std::vector<int> a(1 << n);\n\n for (auto &e : a) std::cin >> e;\n\n std::vector<std::pair<int, int>> dp(1 << n, std::make_pair(-1, -1));\n\n for (int i = 0; i < (1 << n); i++) {\n\n dp[i].first = i;\n\n }\n\n for (int i = 0; i < n; i++) for (int j = 0; j < (1 << n); j++) {\n\n if (j & (1 << i)) {\n\n int k = j ^ (1 << i);\n\n if (a[dp[j].first] < a[dp[k].first]) {\n\n dp[j].second = dp[j].first;\n\n dp[j].first = dp[k].first;\n\n } else if (dp[j].second < 0 || a[dp[j].second] < a[dp[k].first]) {\n\n dp[j].second = dp[k].first;\n\n }\n\n\n\n if (dp[k].second >= 0 && a[dp[j].second] < a[dp[k].second]) {\n\n dp[j].second = dp[k].second;\n\n }\n\n }\n\n }\n\n\n\n int max = 0;\n\n for (int i = 1; i < (1 << n); i++) {\n\n max = std::max(max, a[dp[i].first] + a[dp[i].second]);\n\n std::cout << max << std::endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003668"}354{"label": "pie_cpp_test_003669", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 185, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 185, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003669.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003669", "task_path": "tasks/test/pie_cpp_test_003669.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define finish(x) return cout << x << endl, 0\n\n#define ll long long\n\n\n\nconst int N = 18;\n\n\n\nint n;\n\nvector <int> a, ans[1 << 18];\n\n\n\nvoid add(vector <int> &c, int x){\n\n c.push_back(x);\n\n sort(c.rbegin(), c.rend());\n\n while(c.size() > 2) c.pop_back();\n\n}\n\nint main(){\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(0);\n\n cin >> n;\n\n a.resize(1 << n);\n\n for(auto &i : a) cin >> i;\n\n for(int i = 0 ; i < (1 << n) ; i++){\n\n add(ans[i], a[i]);\n\n }\n\n for(int j = 0 ; j < n ; j++){\n\n for(int i = 1 ; i < (1 << n) ; i++){\n\n if((i >> j) & 1){\n\n for(auto &k : ans[i ^ (1 << j)]){\n\n add(ans[i], k);\n\n }\n\n }\n\n }\n\n }\n\n int res = 0;\n\n for(int i = 1 ; i < (1 << n) ; i++){\n\n res = max(res, ans[i][0] + ans[i][1]);\n\n cout << res << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003669"}355{"label": "pie_cpp_test_003670", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 513, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 513, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003670.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003670", "task_path": "tasks/test/pie_cpp_test_003670.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define endl '\\n'\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define ALLR(a) (a).rbegin(),(a).rend()\n\n#define spa << \" \" <<\n\n#define lfs <<fixed<<setprecision(10)<<\n\n#define test cout<<\"test\"<<endl;\n\n#define fi first\n\n#define se second\n\n#define MP make_pair\n\n#define PB push_back\n\n#define EB emplace_back\n\n#define rep(i,n,m) for(ll i = n; i < (ll)(m); i++)\n\n#define rrep(i,n,m) for(ll i = n - 1; i >= (ll)(m); i--)\n\nusing ll = long long;\n\nusing ld = long double;\n\nconst ll MOD = 1e9+7;\n\n//const ll MOD = 998244353;\n\nconst ll INF = 1e18;\n\nusing P = pair<ll, ll>;\n\ntemplate<typename T>\n\nvoid chmin(T &a,T b){if(a>b)a=b;}\n\ntemplate<typename T>\n\nvoid chmax(T &a,T b){if(a<b)a=b;}\n\nvoid pmod(ll &a,ll b){a=(a+b)%MOD;}\n\nvoid pmod(ll &a,ll b,ll c){a=(b+c)%MOD;}\n\nvoid qmod(ll &a,ll b){a=(a*b)%MOD;}\n\nvoid qmod(ll &a,ll b,ll c){a=(b*c)%MOD;}\n\nll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});}\n\nvoid ans1(bool x){if(x) cout<<\"Yes\"<<endl;else cout<<\"No\"<<endl;}\n\nvoid ans2(bool x){if(x) cout<<\"YES\"<<endl;else cout<<\"NO\"<<endl;}\n\nvoid ans3(bool x){if(x) cout<<\"Yay!\"<<endl;else cout<<\":(\"<<endl;}\n\ntemplate<typename T1,typename T2>\n\nvoid ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} \n\ntemplate<typename T>\n\nvoid debug(vector<vector<T>>v,ll h,ll w){for(ll i=0;i<h;i++)\n\n{cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}};\n\nvoid debug(vector<string>v,ll h,ll w){for(ll i=0;i<h;i++)\n\n{for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}};\n\ntemplate<typename T>\n\nvoid debug(vector<T>v,ll n){if(n!=0)cout<<v[0];\n\nfor(ll i=1;i<n;i++)cout spa v[i];cout<<endl;};\n\ntemplate<typename T>\n\nvector<vector<T>>vec(ll x, ll y, T w){\n\n vector<vector<T>>v(x,vector<T>(y,w));return v;}\n\nll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;}\n\ntemplate<typename T>\n\nvector<ll>dx={1,0,-1,0,1,1,-1,-1};\n\nvector<ll>dy={0,1,0,-1,1,-1,1,-1};\n\ntemplate<typename T>\n\nvector<T> make_v(size_t a,T b){return vector<T>(a,b);}\n\ntemplate<typename... Ts>\n\nauto make_v(size_t a,Ts... ts){\n\n return vector<decltype(make_v(ts...))>(a,make_v(ts...));\n\n}\n\n\n\nint main(){\n\n cin.tie(NULL);\n\n ios_base::sync_with_stdio(false);\n\n ll res=0,res1=INF,res2=-INF,buf=0;\n\n bool judge = true;\n\n ll n;cin>>n;\n\n ll m=(1<<n);\n\n vector<ll>a(m);\n\n rep(i,0,m)cin>>a[i];\n\n ll maxbuf=0;\n\n rep(i,1,m){\n\n ll fir=a[0],sec=0;\n\n for(ll j=i;j>0;j=(j-1)&i){\n\n if(a[j]>=fir){\n\n sec=fir;fir=a[j];\n\n }\n\n else chmax(sec,a[j]);\n\n }\n\n chmax(maxbuf,fir+sec);\n\n cout<<maxbuf<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003670"}356{"label": "pie_cpp_test_003671", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 66, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 66, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003671.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003671", "task_path": "tasks/test/pie_cpp_test_003671.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define endl '\\n'\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define ALLR(a) (a).rbegin(),(a).rend()\n\n#define spa << \" \" <<\n\n#define lfs <<fixed<<setprecision(10)<<\n\n#define test cout<<\"test\"<<endl;\n\n#define fi first\n\n#define se second\n\n#define MP make_pair\n\n#define PB push_back\n\n#define EB emplace_back\n\n#define rep(i,n,m) for(ll i = n; i < (ll)(m); i++)\n\n#define rrep(i,n,m) for(ll i = n - 1; i >= (ll)(m); i--)\n\nusing ll = long long;\n\nusing ld = long double;\n\nconst ll MOD = 1e9+7;\n\n//const ll MOD = 998244353;\n\nconst ll INF = 1e18;\n\nusing P = pair<ll, ll>;\n\ntemplate<typename T>\n\nvoid chmin(T &a,T b){if(a>b)a=b;}\n\ntemplate<typename T>\n\nvoid chmax(T &a,T b){if(a<b)a=b;}\n\nvoid pmod(ll &a,ll b){a=(a+b)%MOD;}\n\nvoid pmod(ll &a,ll b,ll c){a=(b+c)%MOD;}\n\nvoid qmod(ll &a,ll b){a=(a*b)%MOD;}\n\nvoid qmod(ll &a,ll b,ll c){a=(b*c)%MOD;}\n\nll median(ll a,ll b, ll c){return a+b+c-max({a,b,c})-min({a,b,c});}\n\nvoid ans1(bool x){if(x) cout<<\"Yes\"<<endl;else cout<<\"No\"<<endl;}\n\nvoid ans2(bool x){if(x) cout<<\"YES\"<<endl;else cout<<\"NO\"<<endl;}\n\nvoid ans3(bool x){if(x) cout<<\"Yay!\"<<endl;else cout<<\":(\"<<endl;}\n\ntemplate<typename T1,typename T2>\n\nvoid ans(bool x,T1 y,T2 z){if(x)cout<<y<<endl;else cout<<z<<endl;} \n\ntemplate<typename T>\n\nvoid debug(vector<vector<T>>v,ll h,ll w){for(ll i=0;i<h;i++)\n\n{cout<<v[i][0];for(ll j=1;j<w;j++)cout spa v[i][j];cout<<endl;}};\n\nvoid debug(vector<string>v,ll h,ll w){for(ll i=0;i<h;i++)\n\n{for(ll j=0;j<w;j++)cout<<v[i][j];cout<<endl;}};\n\ntemplate<typename T>\n\nvoid debug(vector<T>v,ll n){if(n!=0)cout<<v[0];\n\nfor(ll i=1;i<n;i++)cout spa v[i];cout<<endl;};\n\ntemplate<typename T>\n\nvector<vector<T>>vec(ll x, ll y, T w){\n\n vector<vector<T>>v(x,vector<T>(y,w));return v;}\n\nll gcd(ll x,ll y){ll r;while(y!=0&&(r=x%y)!=0){x=y;y=r;}return y==0?x:y;}\n\ntemplate<typename T>\n\nvector<ll>dx={1,0,-1,0,1,1,-1,-1};\n\nvector<ll>dy={0,1,0,-1,1,-1,1,-1};\n\ntemplate<typename T>\n\nvector<T> make_v(size_t a,T b){return vector<T>(a,b);}\n\ntemplate<typename... Ts>\n\nauto make_v(size_t a,Ts... ts){\n\n return vector<decltype(make_v(ts...))>(a,make_v(ts...));\n\n}\n\n\n\nll MAX_V = 2e5 + 5;\n\nvector<vector<ll>> G(MAX_V);//\u96a3\u63a5\u30ea\u30b9\u30c8(\u6dfb\u3048\u5b57\u306f\u59cb\u70b9\u3001\u5024\u306f\u7d42\u70b9)\n\n\n\n//\u5f15\u6570\u306f\u5404\u9802\u70b9(0-indexed)\u306e\u5165\u6b21\u6570\n\nvector<ll>tsort(vector<ll>v){\n\n ll n=v.size();\n\n vector<ll>ret(n);\n\n stack<ll>st;\n\n for(ll i=0;i<n;i++)if(v[i]==0)st.push(i);\n\n for(ll i=0;i<n;i++){\n\n if(st.empty())return vector<ll>();//\u9589\u8def\u304c\u3042\u308b\n\n ll x=st.top();\n\n st.pop();\n\n ret[x]=i;\n\n for(ll j=0;j<G[x].size();j++){\n\n v[G[x][j]]--;\n\n if(v[G[x][j]]==0)st.push(G[x][j]);\n\n }\n\n }\n\n return ret;\n\n}\n\n\n\nint main(){\n\n cin.tie(NULL);\n\n ios_base::sync_with_stdio(false);\n\n ll res=0,res1=INF,res2=-INF,buf=0;\n\n bool judge = true;\n\n ll n;cin>>n;\n\n ll m=(1<<n);\n\n vector<ll>a(m);\n\n rep(i,0,m)cin>>a[i];\n\n ll maxbuf=0;\n\n vector<P>dp(m,MP(0,0));\n\n rep(i,0,m){\n\n dp[i].fi=i;\n\n }\n\n rep(i,0,m){\n\n bitset<18>x=i;\n\n rep(j,0,n){\n\n if(!x[j]){\n\n x[j]=1;\n\n set<P,greater<P>>tmp;\n\n ll k=x.to_ullong();\n\n tmp.emplace(a[dp[k].fi],dp[k].fi);\n\n tmp.emplace(a[dp[k].se],dp[k].se);\n\n tmp.emplace(a[dp[i].fi],dp[i].fi);\n\n tmp.emplace(a[dp[i].se],dp[i].se);\n\n dp[k]=MP(tmp.begin()->se,(++tmp.begin())->se);\n\n x[j]=0;\n\n }\n\n }\n\n //cout<<i spa dp[i].fi spa dp[i].se<<endl;\n\n if(i!=0)chmax(maxbuf,a[dp[i].fi]+a[dp[i].se]);\n\n if(i>=1)cout<<maxbuf<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003671"}357{"label": "pie_cpp_test_003672", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 453, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 453, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003672.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003672", "task_path": "tasks/test/pie_cpp_test_003672.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#define LOCAL\n\n#ifdef LOCAL\n\n#define _GLIBCXX_DEBUG\n\n#endif\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,x) for(ll i = 0; i < (ll)(x); i++)\n\n#define rrep(i,x) for(ll i = (ll)(x)-1;0 <= i; i--)\n\n#define reps(i,x) for(ll i = 1; i < (ll)(x)+1; i++)\n\n#define rreps(i,x) for(ll i = (ll)(x); 1 <= i; i--)\n\n#define all(x) (x).begin(), (x).end()\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef pair<ll,ll> Pll;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vl> vvl;\n\ntypedef vector<vvl> vvvl;\n\nconstexpr ll INF = numeric_limits<ll>::max()/4;\n\nconstexpr ll n_max = 2e5+10;\n\n#define int ll\n\n\n\ntemplate <typename A, typename B>\n\nstring to_string(pair<A, B> p);\n\nstring to_string(const string &s) {return '\"' + s + '\"';}\n\nstring to_string(const char c) {return to_string((string) &c);}\n\nstring to_string(bool b) {return (b ? \"true\" : \"false\");}\n\ntemplate <size_t N>\n\nstring to_string(bitset<N> v){\n\n string res = \"\";\n\n for(size_t i = 0; i < N; i++) res += static_cast<char>('0' + v[i]);\n\n return res;\n\n}\n\ntemplate <typename A>\n\nstring to_string(A v) {\n\n bool first = true;\n\n string res = \"{\";\n\n for(const auto &x : v) {\n\n if(!first) res += \", \";\n\n first = false;\n\n res += to_string(x);\n\n }\n\n res += \"}\";\n\n return res;\n\n}\n\ntemplate <typename A, typename B>\n\nstring to_string(pair<A, B> p){return \"(\" + to_string(p.first) + \", \" + to_string(p.second) + \")\";}\n\n\n\nvoid debug_out() {cerr << endl;}\n\ntemplate<typename Head, typename... Tail>\n\nvoid debug_out(Head H, Tail... T) {\n\n cerr << \" \" << to_string(H);\n\n debug_out(T...);\n\n}\n\n\n\n#ifdef LOCAL\n\n#define debug(...) cerr << \"[\" << #__VA_ARGS__ << \"]:\", debug_out(__VA_ARGS__)\n\n#else\n\n#define debug(...) 42\n\n#endif\n\n\n\ntemplate<class T>\n\nbool chmax(T &a, T b){if(a < b){a = b; return true;} return false;}\n\ntemplate<class T>\n\nbool chmin(T &a, T b){if(a > b){a = b; return true;} return false;}\n\n\n\nsigned main(){\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n ll N; cin >> N;\n\n ll n = 1LL << N;\n\n vector<ll> a(n);\n\n rep(i,n) cin >> a[i];\n\n vector<vector<Pll>> dp(n, vector<Pll>(N+1, {0,0}));\n\n rep(i,n){\n\n dp[i][0] = {a[i], 0};\n\n }\n\n auto merge = [&](Pll &a, Pll &b) -> Pll{\n\n Pll ret;\n\n if(a.first > b.first){\n\n ret.first = a.first;\n\n if(a.second > b.first)ret.second = a.second;\n\n else ret.second = b.first;\n\n }\n\n else{\n\n ret.first = b.first;\n\n if(a.first > b.second)ret.second = a.first;\n\n else ret.second = b.second;\n\n }\n\n return ret;\n\n };\n\n rep(i,n){\n\n rep(j,N){\n\n if((i >> j) & 1){\n\n dp[i][j+1] = merge(dp[i][j], dp[i & ~(1LL << j)][j]);\n\n }\n\n else{\n\n dp[i][j+1] = dp[i][j];\n\n }\n\n }\n\n }\n\n\n\n vector<ll> ans(n);\n\n reps(i,n-1){\n\n chmax(ans[i], ans[i-1]);\n\n chmax(ans[i], dp[i][N].first + dp[i][N].second);\n\n }\n\n\n\n reps(i,n-1){\n\n cout << ans[i] << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003672"}358{"label": "pie_cpp_test_003673", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 72, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 72, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003673.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003673", "task_path": "tasks/test/pie_cpp_test_003673.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint n,a[444444],ans[444444];\n\npair<int,int> mx[444444];\n\nvoid upd(int i,int x)\n\n{\n\n\tif (x>mx[i].first)\n\n\t{\n\n\t\tmx[i].second=mx[i].first;\n\n\t\tmx[i].first=x;\n\n\t}\n\n\telse if (x>mx[i].second) mx[i].second=x;\n\n}\n\nint main()\n\n{\n\n\tscanf(\"%d\",&n);\n\n\tfor (int i=0;i<(1<<n);i++) scanf(\"%d\",&a[i]);\n\n\tfor (int i=0;i<(1<<n);i++)\n\n\t{\n\n\t\tfor (int j=i;j;j=(j-1)&i)\n\n\t\t{\n\n\t\t\tupd(i,a[j]);\n\n\t\t}\n\n\t\tupd(i,a[0]); \n\n\t}\n\n\tfor (int i=0;i<(1<<n);i++) ans[i]=mx[i].first+mx[i].second;\n\n\tfor (int i=1;i<(1<<n);i++) ans[i]=max(ans[i-1],ans[i]);\n\n\tfor (int i=1;i<(1<<n);i++) printf(\"%d\\n\",ans[i]);\n\n\treturn 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003673"}359{"label": "pie_cpp_test_003674", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 56, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 56, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003674.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003674", "task_path": "tasks/test/pie_cpp_test_003674.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\n#define sqr(x) ((x)*(x))\n\n#define mp make_pair\n\n#define uint unsigned\n\n#define PI pair<int,int>\n\ninline char gc(){\n\n static char buf[100000],*p1=buf,*p2=buf;\n\n return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++;\n\n}\n\n#define gc getchar\n\ninline ll read(){\n\n\tll x = 0; char ch = gc(); bool positive = 1;\n\n\tfor (; !isdigit(ch); ch = gc())\tif (ch == '-')\tpositive = 0;\n\n\tfor (; isdigit(ch); ch = gc())\tx = x * 10 + ch - '0';\n\n\treturn positive ? x : -x;\n\n}\n\ninline void write(ll a){\n\n if(a<0){\n\n \ta=-a; putchar('-');\n\n\t}\n\n if(a>=10)write(a/10);\n\n putchar('0'+a%10);\n\n}\n\ninline void writeln(ll a){write(a); puts(\"\");}\n\ninline void wri(ll a){write(a); putchar(' ');}\n\ninline ull rnd(){\n\n\treturn ((ull)rand()<<30^rand())<<4|rand()%4;\n\n}\n\ninline PI operator +(PI a,PI b){\n\n\treturn a>b?mp(a.first,max(a.second,b.first)):mp(b.first,max(b.second,a.first));\n\n} \n\nPI a[1<<18];\n\nint ans[1<<18];\n\nint main(){\n\n\tint n=read();\n\n\tfor(int i=0;i<(1<<n);i++)a[i]=mp(read(),0);\n\n\tfor(int i=0;i<n;i++){\n\n\t\tfor(int j=0;j<(1<<n);j++)if(j>>i&1){\n\n\t\t\ta[j]=a[j]+a[j^(1<<i)];\n\n\t\t}\n\n\t}\n\n\tfor(int i=1;i<(1<<n);i++){ans[i]=max(ans[i-1],a[i].first+a[i].second); writeln(ans[i]);}\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003674"}360{"label": "pie_cpp_test_003675", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 493, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 493, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003675.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003675", "task_path": "tasks/test/pie_cpp_test_003675.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ninline void merg(int arr[2], int v){\n\n if(v >= arr[1])\n\n arr[0] = arr[1], arr[1] = v;\n\n else if(v >= arr[0])\n\n arr[0] = v;\n\n}\n\nint main(){\n\n// freopen(\"in.txt\", \"r\", stdin);\n\n// freopen(\"out.txt\", \"w\", stdout);\n\n int n;\n\n cin >> n;\n\n int len = 1 << n;\n\n int a[len];\n\n for(int i = 0;i < len;i++)\n\n scanf(\"%d\", a + i);\n\n int two[len][2];\n\n for(int i = 1;i < len;i++){\n\n two[i][0] = -1;\n\n two[i][1] = a[0];\n\n for(int j = i;j > 0;j = (j - 1) & i)\n\n merg(two[i], a[j]);\n\n }\n\n int res[len];\n\n res[1] = two[1][0] + two[1][1];\n\n printf(\"%d\\n\", res[1]);\n\n for(int i = 2;i < len;i++){\n\n res[i] = max(res[i - 1], two[i][0] + two[i][1]);\n\n printf(\"%d\\n\", res[i]);\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003675"}361{"label": "pie_cpp_test_003676", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 840, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 840, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003676.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003676", "task_path": "tasks/test/pie_cpp_test_003676.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n#define MP(x, y) make_pair(x, y);\n\n#define PB(v, x) v.push_back(x);\n\ntypedef pair<int, int> ii;\n\n\n\nconst int MAX = 18;\n\n\n\nint N;\n\nii dp[(1 << MAX)+10][MAX+1]; // dp[i][j]: \n\n\n\nii add(ii a, ii b) {\n\n vector<int> v;\n\n PB(v,a.first);\n\n PB(v,a.second);\n\n PB(v,b.first);\n\n PB(v,b.second);\n\n sort(v.begin(), v.end());\n\n return MP(v[2], v[3]);\n\n}\n\n\n\nint result(ii p) {\n\n return p.first + p.second;\n\n}\n\n\n\nint main() {\n\n\n\n cin >> N;\n\n int ans = 0;\n\n for (int i = 0; i < (1<<N); i++) {\n\n int x;\n\n cin >> x;\n\n dp[i][0] = MP(-1, x);\n\n for (int j = 0; j < N; j++) {\n\n if (i & (1<<j))\n\n dp[i][j+1] = add(dp[i][j], dp[i&~(1<<j)][j]);\n\n else\n\n dp[i][j+1] = dp[i][j];\n\n }\n\n if (i == 0) continue;\n\n ans = max(ans, result(dp[i][N]));\n\n cout << ans << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003676"}362{"label": "pie_cpp_test_003677", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 166, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 166, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003677.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003677", "task_path": "tasks/test/pie_cpp_test_003677.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//Zory-2018\n\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<cstdlib>\n\n#include<map>\n\n#include<set>\n\n#include<queue>\n\n#include<deque>\n\n#include<bitset>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<iostream>\n\n#include<stack>\n\nusing namespace std;\n\n\n\nnamespace mine\n\n{\n\n\tconst int MAX_N=310000;\n\n\ttypedef long long ll;\n\n\tint mymax(int x,int y) {return x>y?x:y;}\n\n\n\n\tint a[MAX_N],mx[MAX_N];\n\n\tint ans[MAX_N];\n\n\tvoid main()\n\n\t{\n\n\t\tint n;scanf(\"%d\",&n);\n\n\t\tint m=1<<n;\n\n\t\tfor(int i=0;i<m;i++) scanf(\"%d\",&a[i]);\n\n\n\n\t\tfor(int k=1;k<m;k++)\n\n\t\t{\n\n\t\t\tans[k]=mymax(a[0],ans[k-1]);\n\n\t\t\tmx[k]=a[0];\n\n\t\t\tfor(int u=k;u>0;u=(u-1)&k)\n\n\t\t\t\tans[k]=mymax(ans[k],a[u]+mx[k]),mx[k]=mymax(mx[k],a[u]);\n\n\t\t\tprintf(\"%d\\n\",ans[k]);\n\n\t\t}\n\n\t}\n\n};\n\n\n\nint main()\n\n{\n\n\tmine::main();\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003677"}363{"label": "pie_cpp_test_003678", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 62, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 62, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003678.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003678", "task_path": "tasks/test/pie_cpp_test_003678.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int N=1<<19;\n\nint n,s,a[N];\n\nint id[N][2];\n\nbool cmp(int A,int B){\n\n return a[A]<a[B];\n\n}\n\nint main(){\n\n scanf(\"%d\",&n);\n\n s=1<<n;\n\n for (int i=0;i<s;i++)\n\n scanf(\"%d\",&a[i]);\n\n a[s]=-1;\n\n id[0][0]=0,id[0][1]=s;\n\n for (int i=1;i<s;i++){\n\n id[i][0]=i,id[i][1]=s;\n\n int x[4];\n\n for (int j=0;j<n;j++)\n\n if (i&(1<<j)){\n\n int _i=i^(1<<j);\n\n x[0]=id[i][0],x[1]=id[i][1];\n\n x[2]=id[_i][0],x[3]=id[_i][1];\n\n sort(x,x+4,cmp);\n\n id[i][0]=x[3],id[i][1]=x[2]==x[3]?x[1]:x[2];\n\n }\n\n }\n\n int mx=0;\n\n for (int i=1;i<s;i++){\n\n mx=max(mx,a[id[i][0]]+a[id[i][1]]);\n\n printf(\"%d\\n\",mx);\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003678"}364{"label": "pie_cpp_test_003679", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 79, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 79, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003679.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003679", "task_path": "tasks/test/pie_cpp_test_003679.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n//Zory-2018\n\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<cstdlib>\n\n#include<map>\n\n#include<set>\n\n#include<queue>\n\n#include<deque>\n\n#include<bitset>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<iostream>\n\n#include<stack>\n\nusing namespace std;\n\n\n\nnamespace mine\n\n{\n\n\tconst int MAX_N=310000;\n\n\ttypedef long long ll;\n\n\tint mymax(int x,int y) {return x>y?x:y;}\n\n\n\n\tint a[MAX_N];\n\n\tint f[MAX_N],g[MAX_N];//\u6700\u5927\u548c\u6b21\u5927\u503c\u7684\u4f4d\u7f6e\n\n\tvoid update(int x,int pos)\n\n\t{\n\n\t\tif(pos<0 or pos==f[x] or pos==g[x]) return;\n\n\t\tif(a[pos]>=a[f[x]]) g[x]=f[x],f[x]=pos;\n\n\t\telse if(a[pos]>=a[g[x]]) g[x]=pos;\n\n\t}\n\n\tint bin[30];\n\n\tvoid main()\n\n\t{\n\n\t\tbin[0]=1;for(int i=1;i<30;i++) bin[i]=bin[i-1]<<1;\n\n\n\n\t\tint n;scanf(\"%d\",&n);\n\n\t\tfor(int i=0;i<bin[n];i++) scanf(\"%d\",&a[i]),f[i]=i,g[i]=-1;\n\n\n\n\t\tint ans=0;\n\n\t\tfor(int k=0;k<bin[n];k++)\n\n\t\t{\n\n\t\t\tfor(int i=0;i<n;i++)\n\n\t\t\t{\n\n\t\t\t\tif(k&bin[i]) continue;\n\n\t\t\t\tupdate(k+bin[i],f[k]);\n\n\t\t\t\tupdate(k+bin[i],g[k]);\n\n\t\t\t}\n\n\t\t\tans=mymax(ans,a[f[k]]+a[g[k]]);\n\n\t\t\tif(k>0) printf(\"%d\\n\",ans);\n\n\t\t}\n\n\t}\n\n};\n\n\n\nint main()\n\n{\n\n\tmine::main();\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003679"}365{"label": "pie_cpp_test_003680", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1191, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 1191, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003680.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003680", "task_path": "tasks/test/pie_cpp_test_003680.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define typeof(x) __typeof__(x)\n\n#define int long long int\n\n#define double long double\n\n#define mod(x) ((x % MOD) + MOD) % MOD\n\n#define rep(i,a,b) for(int i=(a);i<(b);++i)\n\n#define rrep(i,a,b) for(int i=(b)-1;i>=(a);--i)\n\n\n\n#define ALL(c) (c).begin(),(c).end()\n\n#define RALL(c) (c).rbegin(),(c).rend()\n\n#define SZ(c) (int)((c).size())\n\n#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)\n\n#define SORT(c) sort(ALL(c))\n\n#define RSORT(c) sort(RALL(c))\n\n#define LB(c,x) (int)(lower_bound(ALL(c),x)-(c).begin())\n\n#define UB(c,x) (int)(upper_bound(ALL(c),x)-(c).begin())\n\n#define COUNT(c,x) UB(c,x)-LB(c,x)\n\n#define UNIQUE(c) SORT(c); (c).erase(unique(ALL(c)),(c).end());\n\n#define COPY(c1,c2) copy(ALL(c1),(c2).begin())\n\n#define EXIST(s,e) (s).find(e)!=(s).end()\n\n#define PB push_back\n\n#define MP make_pair\n\n#define vec vector\n\n\n\n#define dump(x) cerr << #x << \" = \" << (x) << endl;\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> P;\n\nstruct edge { int to, cost; };\n\n\n\nconst int INF = 1e18;\n\nconst int MOD = 1e9+7;\n\n\n\ntemplate<typename T> ostream& operator << (ostream& s, const vector<T>& v) {\n\n s << \"[\";\n\n for (int i = 0; i < v.size(); i++) { s << v[i]; if (i < v.size() - 1) s << \" \"; }\n\n s << \"]\";\n\n return s;\n\n}\n\ntemplate<typename T1, typename T2> ostream& operator << (ostream& s, const pair<T1,T2>& p) {\n\n s << \"(\" << p.first << \",\" << p.second << \")\";\n\n return s;\n\n}\n\n\n\nvoid zeta(vec<P>& f)\n\n{\n\n int n = f.size();\n\n for (int i = 0; (1 << i) < n; i++) {\n\n for (int j = 0; j < n; j++) {\n\n if ((j >> i) & 1) {\n\n vec<int> tmp;\n\n tmp.PB(f[j].first);\n\n tmp.PB(f[j].second);\n\n tmp.PB(f[j ^ (1 << i)].first);\n\n tmp.PB(f[j ^ (1 << i)].second);\n\n RSORT(tmp);\n\n f[j].first = tmp[0];\n\n f[j].second = tmp[1];\n\n }\n\n }\n\n }\n\n}\n\n\n\nsigned main()\n\n{\n\n int N; cin >> N;\n\n vec<int> A(1 << N);\n\n rep(s, 0, 1 << N) {\n\n cin >> A[s];\n\n }\n\n\n\n\n\n vec<P> f(1 << N, MP(0,0));\n\n rep(s, 0, 1 << N) {\n\n f[s].first = A[s];\n\n }\n\n\n\n dump(f)\n\n\n\n zeta(f);\n\n\n\n int MAX = 0;\n\n rep(s, 1, 1 << N) {\n\n MAX = max(MAX, f[s].first + f[s].second);\n\n cout << MAX << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003680"}366{"label": "pie_cpp_test_003681", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 559, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 559, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003681.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003681", "task_path": "tasks/test/pie_cpp_test_003681.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define typeof(x) __typeof__(x)\n\n#define int long long int\n\n#define double long double\n\n#define mod(x) ((x % MOD) + MOD) % MOD\n\n#define rep(i,a,b) for(int i=(a);i<(b);++i)\n\n#define rrep(i,a,b) for(int i=(b)-1;i>=(a);--i)\n\n\n\n#define ALL(c) (c).begin(),(c).end()\n\n#define RALL(c) (c).rbegin(),(c).rend()\n\n#define SZ(c) (int)((c).size())\n\n#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)\n\n#define SORT(c) sort(ALL(c))\n\n#define RSORT(c) sort(RALL(c))\n\n#define LB(c,x) (int)(lower_bound(ALL(c),x)-(c).begin())\n\n#define UB(c,x) (int)(upper_bound(ALL(c),x)-(c).begin())\n\n#define COUNT(c,x) UB(c,x)-LB(c,x)\n\n#define UNIQUE(c) SORT(c); (c).erase(unique(ALL(c)),(c).end());\n\n#define COPY(c1,c2) copy(ALL(c1),(c2).begin())\n\n#define EXIST(s,e) (s).find(e)!=(s).end()\n\n#define PB push_back\n\n#define MP make_pair\n\n#define vec vector\n\n\n\n#define dump(x) cerr << #x << \" = \" << (x) << endl;\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> P;\n\nstruct edge { int to, cost; };\n\n\n\nconst int INF = 1e18;\n\nconst int MOD = 1e9+7;\n\n\n\ntemplate<typename T> ostream& operator << (ostream& s, const vector<T>& v) {\n\n s << \"[\";\n\n for (int i = 0; i < v.size(); i++) { s << v[i]; if (i < v.size() - 1) s << \" \"; }\n\n s << \"]\";\n\n return s;\n\n}\n\ntemplate<typename T1, typename T2> ostream& operator << (ostream& s, const pair<T1,T2>& p) {\n\n s << \"(\" << p.first << \",\" << p.second << \")\";\n\n return s;\n\n}\n\n\n\nvoid zeta(vec<P>& f)\n\n{\n\n int n = f.size();\n\n vec<int> tmp;\n\n for (int i = 0; (1 << i) < n; i++) {\n\n for (int j = 0; j < n; j++) {\n\n if ((j >> i) & 1) {\n\n tmp.clear();\n\n tmp.PB(f[j].first);\n\n tmp.PB(f[j].second);\n\n tmp.PB(f[j ^ (1 << i)].first);\n\n tmp.PB(f[j ^ (1 << i)].second);\n\n RSORT(tmp);\n\n f[j].first = tmp[0];\n\n f[j].second = tmp[1];\n\n }\n\n }\n\n }\n\n}\n\n\n\nsigned main()\n\n{\n\n int N; cin >> N;\n\n vec<int> A(1 << N);\n\n rep(s, 0, 1 << N) {\n\n cin >> A[s];\n\n }\n\n\n\n\n\n vec<P> f(1 << N, MP(0,0));\n\n rep(s, 0, 1 << N) {\n\n f[s].first = A[s];\n\n }\n\n\n\n dump(f)\n\n\n\n zeta(f);\n\n\n\n int MAX = 0;\n\n rep(s, 1, 1 << N) {\n\n MAX = max(MAX, f[s].first + f[s].second);\n\n cout << MAX << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003681"}367{"label": "pie_cpp_test_003682", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 61, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 61, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003682.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003682", "task_path": "tasks/test/pie_cpp_test_003682.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for (int i=(a);i<(b);i++)\n\n#define FORR(i,a,b) for (int i=(a);i>=(b);i--)\n\n#define pb push_back\n\n#define pcnt __builtin_popcount\n\n#define show(x) cout<<#x<<\" = \"<<x<<endl;\n\n#define maxs(x,y) x = max(x,y)\n\n#define mins(x,y) x = min(x,y)\n\n#define fi first\n\n#define se second\n\n#define rng(a) (a.begin()),(a.end())\n\n#define each(it,c) for(__typeof((c).begin()) it=(c).begin();it!=(c).end();it++)\n\n#define sz(x) (int)(x).size()\n\n#define mp make_pair\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int,int> pii;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<pii> vpii;\n\ntypedef set<int> si;\n\ntypedef pair<ll,ll> pll;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vl> vvl;\n\ntypedef vector<pll> vpll;\n\ntypedef set<ll> sl;\n\ntypedef __int128_t lll;\n\ntypedef pair<lll,lll> plll;\n\ntypedef vector<lll> vlll;\n\ntemplate<typename T>string join(vector<T>&v)\n\n{stringstream s;FOR(i,0,sz(v))s<<' '<<v[i];return s.str().substr(1);}\n\ntemplate<typename A, size_t N, typename T>void Fill(A (&array)[N], const T&v)\n\n{fill((T*)array,(T*)(array+N),v);}\n\nlll gcd(lll a,lll b,lll &x,lll &y){if(!b){x=1;y=0;return a;}lll d=gcd(b,a%b,y,x);y-=a/b*x;return d;}\n\nll gcd(ll a,ll b){lll x=0,y=0; return gcd(a, b, x, y);}\n\nll modpow(lll a,lll n,ll m){if(a==0)return a;lll p=1;for(;n>0;n/=2,a=a*a%m)if(n&1)p=p*a%m;return(ll)p;}\n\nvoid dout(double d){printf(\"%.12f\\n\",d);}\n\n\n\nconst int iinf = 1e9;\n\nconst ll linf = 1e18;\n\nconst int mod = 1e9+7;\n\nconst double pi = acos(-1);\n\nconst double eps = 1e-10;\n\nconst int N = 1<<18;\n\nint n, a[N][2];\n\nmain(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n cin >> n;\n\n FOR(i, 0, 1<<n) cin >> a[i][0];\n\n FOR(j, 0, n)FOR(i, 0, 1<<n)if(i&1<<j){\n\n int k = i^1<<j;\n\n maxs(a[i][1], a[i][0] + a[k][0]);\n\n maxs(a[i][0], a[k][0]);\n\n }\n\n int ans = 0;\n\n FOR(i, 1, 1<<n){\n\n maxs(ans, a[i][1]);\n\n cout << ans << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003682"}368{"label": "pie_cpp_test_003683", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 619, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 619, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003683.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003683", "task_path": "tasks/test/pie_cpp_test_003683.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define REP(i, a, n) for(ll i = ((ll) a); i < ((ll) n); i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main(void) {\n\n ll N;\n\n cin >> N;\n\n ll A[1LL << 18];\n\n REP(i, 0, 1LL << N) scanf(\"%lld\", A + i);\n\n\n\n ll ans = 0;\n\n REP(k, 1, 1LL << N) {\n\n ll p = 0, q = 0;\n\n ll i = k;\n\n do {\n\n ll w = max(max(p, q), A[i]);\n\n q = p + q + A[i] - w - min(min(p, q), A[i]);\n\n p = w;\n\n i = (i - 1) & k;\n\n } while(i != k);\n\n ans = max(ans, p + q);\n\n printf(\"%lld\\n\", ans);\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003683"}369{"label": "pie_cpp_test_003684", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 517, "hidden_test_count": 1, "problem_id": "p03313", "reference_metric": "runtime_cpu_ns", "reference_value": 517, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_003684.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_003684", "task_path": "tasks/test/pie_cpp_test_003684.json", "visible_test_count": 1}, "problem_id": "p03313", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1 2 3 1\n\nExpected output:\n3\n4\n5\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, a, n) for(int i = a; i < n; i++)\n\n#define repr(i, a, b) for(int i = a; i >= b; i--)\n\n#define int long long\n\n#define all(a) a.begin(), a.end()\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\nusing namespace std;\n\ntypedef pair<int, int> P;\n\nconst int mod = 1000000007;\n\nconst int INF = 1e12;\n\n\n\nsigned main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n int n;\n\n cin >> n;\n\n int s = 1 << n;\n\n vector<int> a(s);\n\n rep(i, 0, s) cin >> a[i];\n\n int ans = 0;\n\n rep(b, 1, s){\n\n int p = -1, q = -1;\n\n for(int x = b;; x = (x - 1) & b){\n\n if(a[x] >= p){\n\n q = p;\n\n p = a[x];\n\n }else chmax(q, a[x]);\n\n if(x == 0) break;\n\n }\n\n chmax(ans, p + q);\n\n cout << ans << endl;\n\n }\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_003684"}370{"label": "pie_cpp_test_004756", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 790, "hidden_test_count": 1, "problem_id": "p01550", "reference_metric": "runtime_cpu_ns", "reference_value": 790, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/test/pie_cpp_test_004756.json", "split": "test", "subset": "eval", "task_id": "pie_cpp_test_004756", "task_path": "tasks/test/pie_cpp_test_004756.json", "visible_test_count": 1}, "problem_id": "p01550", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n1\n2\n\nExpected output:\n36\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define reep(i,a,b) for(int i=(a);i<(b);++i)\n\n#define rep(i,n) reep((i),0,(n))\n\n#define F first\n\n#define S second\n\nconst long long MOD = 1e9+7;\n\ntypedef vector<int> vint;\n\ntypedef vector<vint> vvint;\n\ntypedef pair<int,int> pii;\n\ntypedef long long ll;\n\n// Mod int\n\n// const int MOD = 1000000007;\n\nstruct mint{\n\n ll x;\n\n mint():x(0){}\n\n mint(ll x):x((x%MOD+MOD)%MOD){}\n\n mint operator+=(const mint& a){ if((x+=a.x)>=MOD) x-=MOD; return *this;}\n\n mint operator-=(const mint& a){ if((x+=MOD-a.x)>=MOD) x-=MOD; return *this;}\n\n mint operator*=(const mint& a){ (x*=a.x)%=MOD; return *this;}\n\n mint operator+(const mint& a)const{ return mint(*this) += a;}\n\n mint operator-(const mint& a)const{ return mint(*this) -= a;}\n\n mint operator*(const mint& a)const{ return mint(*this) *= a;}\n\n bool operator==(const mint& a)const{ return x == a.x;}\n\n};\n\nmint powmod(mint x,ll y){\n\n\tmint a(1);\n\n\twhile(y){\n\n\t\tif(y&1) a=a*x;\n\n\t\tx=x*x;\n\n\t\ty/=2;\n\n\t}\n\n\treturn a;\n\n}\n\nvector<vector<mint>> dp[5];\n\nint main(){\n\n\tint n;\n\n\tcin>>n;\n\n\tvector<pii> v(n);\n\n\tbool zero=false;\n\n\trep(i,n) cin>>v[i].F;\n\n\trep(i,n){\n\n\t\tif(v[i].F==0){\n\n\t\t\tzero=true;\n\n\t\t\tv[i].S=1;\n\n\t\t}\n\n\t\telse{\n\n\t\t\tint cnt=0;\n\n\t\t\tint t=v[i].F;\n\n\t\t\twhile(t){\n\n\t\t\t\tt/=10;\n\n\t\t\t\tcnt++;\n\n\t\t\t}\n\n\t\t\tv[i].S=cnt;\n\n\t\t}\n\n\t}\n\n\tint cc[5]={};\n\n\trep(i,n){\n\n\t\tcc[v[i].S]++;\n\n\t}\n\n\tmint ans[2];\n\n\trep(i,2) ans[i].x=0;\n\n\tvector<mint> fun(210,mint(0LL));\n\n\tvector<mint> fun_sum(210,mint(0LL));\n\n\tfun[0]+=mint(1);\n\n\treep(i,1,210){\n\n\t\tfun[i]=mint(i)*fun[i-1];\n\n\t}\n\n\tmint combi[210][210];\n\n\trep(i,210) rep(j,210) combi[i][j].x=0LL;\n\n\trep(i,210){\n\n\t\tcombi[i][0]=combi[i][i]=mint(1);\n\n\t\treep(j,1,i){\n\n\t\t\tcombi[i][j]=combi[i-1][j]+combi[i-1][j-1];\n\n\t\t}\n\n\t}\n\n\trep(i,210){\n\n\t\tif(i==0){\n\n\t\t\tfun_sum[0]=mint(1);\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\trep(j,i+1){\n\n\t\t\tfun_sum[i]+=combi[i][j]*fun[j];\n\n\t\t}\n\n\t}\n\n\trep(o,2){\n\n\t\tif(o){\n\n\t\t\tif(!zero) continue;\n\n\t\t\telse cc[1]--;\n\n\t\t}\n\n\t\trep(i,5) dp[i]=vector<vector<mint>>(1000,vector<mint>(210));\n\n\t\trep(i,5){\n\n\t\t\tdp[i][0][0].x=1;\n\n\t\t\tif(!cc[i]) continue;\n\n\t\t\tcc[i]--;\n\n\t\t\trep(j,5){\n\n\t\t\t\trep(k,cc[j]){\n\n\t\t\t\t\tvector<vector<mint>> tmp=dp[i];\n\n\t\t\t\t\tfor(int p=999;p>=0;p--){\n\n\t\t\t\t\t\tfor(int q=209;q>=0;q--){\n\n\t\t\t\t\t\t\tif(!tmp[p][q].x) continue;\n\n\t\t\t\t\t\t\tdp[i][p+j][q+1]+=tmp[p][q];\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tcc[i]++;\n\n\t\t}\n\n\t\trep(i,n){\n\n\t\t\t// cout<<ans.x<<endl;\n\n\t\t\trep(j,1000){\n\n\t\t\t\tll t=0;\n\n\t\t\t\trep(k,210){\n\n\t\t\t\t\tt+=(dp[v[i].S][j][k]*fun[k]*fun_sum[n-o-k-1]).x;\n\n\t\t\t\t}\n\n\t\t\t\tans[o]+=mint(v[i].F)*powmod(mint(10),j)*mint(t);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout<<(ans[0]-ans[1]).x<<endl;\n\n}\n```", "split": "test", "task_id": "pie_cpp_test_004756"}371{"label": "pie_cpp_validation_000059", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 432, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 432, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000059.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000059", "task_path": "tasks/validation/pie_cpp_validation_000059.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<ctime>\n\n#include<cstdlib>\n\n\n\n#define rg register\n\n#define il inline\n\n#define MX (3000 + 5)\n\n#define ll long long\n\n\n\nll n ,m;\n\n\n\nll qpow(ll a ,ll b ,ll mod){\n\n\tif(b == 0)\treturn 1;\n\n\tif(b == 1)\treturn a;\n\n\tll t = qpow(a ,b >> 1 ,mod);\n\n\tif(b & 1)\treturn t * t % mod * a % mod;\n\n\treturn t * t % mod;\n\n}\n\n\n\nint C[MX][MX];\n\nll g[MX][MX] ,f[MX];\n\n\n\nint main(){\n\n\tscanf(\"%lld%lld\" ,&n ,&m);\n\n\tfor(rg int i = 0 ; i <= 3000 ; ++i)\tC[i][0] = 1;\n\n\tfor(rg int i = 1 ; i <= 3000 ; ++i)\n\n\t\tfor(rg int j = 1 ; j < MX ; ++j)\n\n\t\t\tC[i][j] = (C[i - 1][j - 1] + C[i - 1][j]) % m;\n\n\t//g[i][j]\u8868\u793a\u9009\u4e2di\u4e2atopping\u4e0d\u5408\u6cd5\u653e\u5728j\u7897\u9762\u91cc\u7684\u65b9\u6848 \n\n\tfor(rg int i = 0 ; i <= n ; ++i)\tg[i][0] = 1;\n\n\tfor(rg int i = 1 ; i <= n ; ++i)\n\n\t\tfor(rg int j = 1 ; j <= i ; ++j)\n\n\t\t\tg[i][j] = (g[i - 1][j] * (j + 1) % m + g[i - 1][j - 1]) % m;\n\n\tll ans = 0;\n\n\tfor(rg int i = 0 ; i <= n ; ++i){\n\n\t\tll tmp = qpow(2LL ,qpow(2LL ,n - i ,m - 1) ,m);\n\n\t\tfor(rg int j = 0 ; j <= i ;++j){\n\n\t\t\tf[i] = (f[i] + g[i][j] * qpow(2LL ,(n - i) * j ,m) % m * tmp % m) % m;\n\n\t\t}\n\n\t\tans += (i & 1 ? -1 : 1) * (ll)C[n][i] * f[i] % m;\n\n\t\tans = (ans + m) % m;\n\n\t}\n\n\t\n\n\t\n\n\t/*\n\n\tfor(rg int i = n ; ~i ; --i){\n\n\t\tfor(rg int j = i + 1 ; j <= n ; ++j){\n\n\t\t\tf[i] = (f[i] - f[j] * C[n][j] % m + m) % m;\n\n\t\t}\n\n\t}\n\n\t*/\n\n\tprintf(\"%lld\" ,ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000059"}372{"label": "pie_cpp_validation_000060", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 156, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 156, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000060.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000060", "task_path": "tasks/validation/pie_cpp_validation_000060.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define CO const\n\n#define IN inline\n\ntypedef long long LL;\n\ntypedef long double LD;\n\n\n\ntemplate<class T> T read(){\n\n\tT x=0,w=1;char c=getchar();\n\n\tfor(;!isdigit(c);c=getchar())if(c=='-') w=-w;\n\n\tfor(;isdigit(c);c=getchar()) x=x*10+c-'0';\n\n\treturn x*w;\n\n}\n\ntemplate<class T> IN T read(T&x){\n\n\treturn x=read<T>();\n\n}\n\n\n\nint mod;\n\nIN int add(int a,int b){\n\n\treturn (a+=b)>=mod?a-mod:a;\n\n}\n\nIN int mul(int a,int b){\n\n\treturn (LL)a*b%mod;\n\n}\n\nIN int fpow(int a,int b){\n\n\tint ans=1;\n\n\tfor(;b;b>>=1,a=mul(a,a))\n\n\t\tif(b&1) ans=mul(ans,a);\n\n\treturn ans;\n\n}\n\n\n\nCO int N=3000+10;\n\nint C[N][N],S[N][N],B[N];\n\n\n\nint main(){\n\n\tint n=read<int>();read(mod);\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tC[i][0]=C[i][i]=1;\n\n\t\tfor(int j=1;j<i;++j) C[i][j]=add(C[i-1][j-1],C[i-1][j]);\n\n\t}\n\n\tS[0][0]=1;\n\n\tfor(int i=1;i<=n+1;++i)for(int j=1;j<=i;++j)\n\n\t\tS[i][j]=add(S[i-1][j-1],mul(j,S[i-1][j]));\n\n\tB[0]=1;\n\n\tfor(int i=1;i<=n;++i){\n\n\t\tB[i]=B[i-1]<<1;\n\n\t\tif(B[i]>=mod-1) B[i]-=mod-1;\n\n\t}\n\n\tint ans=0;\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tint sum=0;\n\n\t\tfor(int j=0;j<=i;++j) sum=add(sum,mul(S[i+1][j+1],fpow(2,(n-i)*j)));\n\n\t\tsum=mul(sum,mul(C[n][i],fpow(2,B[n-i])));\n\n\t\tans=add(ans,i&1?mod-sum:sum);\n\n\t}\n\n\tprintf(\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000060"}373{"label": "pie_cpp_validation_000061", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 365, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 365, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000061.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000061", "task_path": "tasks/validation/pie_cpp_validation_000061.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<cmath>\n\n#include<algorithm>\n\n#include<vector>\n\n#include<iostream>\n\n#include<map>\n\n#include<string>\n\n\n\n#define maxn 3005\n\n\n\nusing namespace std;\n\n\n\ninline int getint()\n\n{\n\n\tint num=0,flag=1;char c;\n\n\twhile((c=getchar())<'0'||c>'9')if(c=='-')flag=-1;\n\n\twhile(c>='0'&&c<='9')num=num*10+c-48,c=getchar();\n\n\treturn num*flag;\n\n}\n\n\n\nint MOD;\n\nint n,m,q;\n\nint C[maxn][maxn],S[maxn][maxn];\n\n\n\ninline int ksm(int num,int k,int p)\n\n{\n\n\tint ret=1;\n\n\tfor(;k;k>>=1,num=1ll*num*num%p)if(k&1)ret=1ll*ret*num%p;\n\n\treturn ret;\n\n}\n\n\n\nint main()\n\n{\n\n\tn=getint(),MOD=getint();\n\n\tS[0][0]=C[0][0]=1;\n\n\tfor(int i=1;i<=n+1;i++)\n\n\t{\n\n\t\tC[i][0]=1;\n\n\t\tfor(int j=1;j<=i;j++)\n\n\t\t{\n\n\t\t\tS[i][j]=(S[i-1][j-1]+1ll*j*S[i-1][j])%MOD;\n\n\t\t\tC[i][j]=(C[i-1][j-1]+C[i-1][j])%MOD;\n\n\t\t}\n\n\t}\n\n\tint ans=0;\n\n\tfor(int i=0;i<=n;i++)\n\n\t{\n\n\t\tint tmp=ksm(2,ksm(2,n-i,MOD-1),MOD),ret=0;\n\n\t\tif(i&1)tmp=MOD-tmp;\n\n\t\ttmp=1ll*tmp*C[n][i]%MOD;\n\n\t\tfor(int j=0;j<=i;j++)ret=(ret+1ll*ksm(2,(n-i)*j,MOD)*S[i+1][j+1])%MOD;\n\n\t\ttmp=1ll*tmp*ret%MOD;\n\n\t\tans=(ans+tmp)%MOD;\n\n\t}\n\n\tprintf(\"%d\\n\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000061"}374{"label": "pie_cpp_validation_000062", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 266, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 266, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000062.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000062", "task_path": "tasks/validation/pie_cpp_validation_000062.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#define ll long long\n\nusing namespace std;\n\nconst int maxn=3e3+15; \n\nll n,mod;\n\nll g[maxn][maxn],c[maxn][maxn];\n\nll mul(ll a,ll b,ll p){\n\n ll r=0;\n\n for (;b;b>>=1,a=(a+a)%p) if (b&1) r=(r+a)%p;\n\n return r;\n\n}\n\nll qpow(ll a,ll b,ll p){\n\n ll r=1;\n\n for (;b;b>>=1,a=mul(a,a,p)) if (b&1) r=mul(r,a,p);\n\n return r;\n\n}\n\nint main()\n\n{\n\n scanf(\"%lld%lld\",&n,&mod); \n\n for (int i=1;i<=n;i++){\n\n c[i][0]=c[i][i]=1;\n\n for (int j=1;j<i;j++)\n\n c[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;\n\n }\n\n for (int i=0;i<=n;i++){\n\n g[i][0]=1;\n\n for (int j=1;j<=i;j++)\n\n g[i][j]=(g[i-1][j-1]+g[i-1][j]*(j+1)%mod)%mod; \n\n }\n\n ll ans=0;\n\n for (int i=0;i<=n;i++){\n\n ll k=c[n][i];\n\n if (i&1) k=(mod-k)%mod;\n\n ll x=qpow(2,n-i,mod-1);\n\n x=qpow(2,x,mod);\n\n ll kind=qpow(2,n-i,mod);\n\n ll cnt=0,y=1;\n\n for (int j=0;j<=i;j++){\n\n cnt=(cnt+(g[i][j]*y%mod))%mod;\n\n y=kind*y%mod;\n\n } \n\n ans=(ans+(k*cnt%mod*x%mod))%mod;\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000062"}375{"label": "pie_cpp_validation_000063", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 254, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 254, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000063.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000063", "task_path": "tasks/validation/pie_cpp_validation_000063.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n#define REP(i,n) for(int i=0,_n=(int)(n);i<_n;++i)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define CLR(t,v) memset(t,(v),sizeof(t))\n\ntemplate<class T1,class T2>ostream& operator<<(ostream& os,const pair<T1,T2>&a){return os<<\"(\"<<a.first<<\",\"<<a.second<< \")\";}\n\ntemplate<class T>void pv(T a,T b){for(T i=a;i!=b;++i)cout<<(*i)<<\" \";cout<<endl;}\n\ntemplate<class T>void chmin(T&a,const T&b){if(a>b)a=b;}\n\ntemplate<class T>void chmax(T&a,const T&b){if(a<b)a=b;}\n\n\n\nll MOD;\n\n\n\nconst int SZ = 5005;\n\nll inv[SZ];\n\nll fact[SZ];\n\nll fact_inv[SZ];\n\nll choose(int n, int r) {\n\n if (n < 0 || r < 0 || n < r) return 0;\n\n return fact[n] * fact_inv[n-r] % MOD * fact_inv[r] % MOD;\n\n}\n\n\n\nll mod_pow(ll a, ll b, ll p) {\n\n ll res = 1;\n\n while (b > 0) {\n\n if (b & 1) res = (res * a) % p;\n\n a = (a * a) % p;\n\n b >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nconst int MAX_N = 5010;\n\nll dp[MAX_N][MAX_N];\n\n\n\nll ways(int N, int i) {\n\n\n\n ll res = 0;\n\n for (int j = 0; j <= i; j++) {\n\n res += dp[i][j] * mod_pow(2, (N-i)*j, MOD);\n\n res %= MOD;\n\n // cout << \"ways2(\" << j << \")\" << res << endl;\n\n }\n\n\n\n ll mm = 1;\n\n REP(p, N-i) mm = (mm * 2) % (MOD - 1);\n\n res *= mod_pow(2, mm, MOD);\n\n res %= MOD;\n\n\n\n // cout << \"ways(\" << N << \",\" << i << \")=\" << res << endl;\n\n return res;\n\n}\n\n\n\n\n\nint main2() {\n\n int N; cin >> N;\n\n cin >> MOD;\n\n\n\n inv[1] = 1;\n\n for (int i = 2; i < SZ; i++) inv[i] = inv[(int) (MOD % i)] * (MOD - MOD / i) % MOD;\n\n fact[0] = 1;\n\n for (int i = 1; i < SZ; i++) fact[i] = fact[i-1] * i % MOD;\n\n fact_inv[0] = 1;\n\n for (int i = 1; i < SZ; i++) fact_inv[i] = fact_inv[i-1] * inv[i] % MOD;\n\n\n\n CLR(dp, 0);\n\n\n\n for (int i = 0; i <= N; i++) dp[i][0] = 1;\n\n for (int i = 1; i <= N; i++) {\n\n for (int j = 1; j <= i; j++) {\n\n dp[i][j] = ((j+1) * dp[i-1][j] + dp[i-1][j-1]) % MOD;\n\n }\n\n }\n\n\n\n ll ans = 0;\n\n for (int i = 0; i <= N; i++) {\n\n ll sub_i = choose(N, i) * ways(N, i);\n\n ans += (i % 2 == 0 ? +1 : -1) * sub_i;\n\n ans = (ans % MOD + MOD) % MOD;\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n\n\n\nint main() {\n\n for (;!cin.eof();cin>>ws)\n\n main2();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000063"}376{"label": "pie_cpp_validation_000064", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 176, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 176, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000064.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000064", "task_path": "tasks/validation/pie_cpp_validation_000064.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define N 3005\n\nint n,m,ans,f[N],c[N][N],s[N][N];\n\nlong long pw(long long x,int y,int mod){long long r=1;for(;y;y>>=1,x=x*x%mod)if(y&1)r=r*x%mod;return r;}\n\nint main()\n\n{\n\n\tscanf(\"%d%d\",&n,&m);\n\n\tfor(int i=0;i<=n;i++)c[i][0]=1;\n\n\tfor(int i=1;i<=n;i++)for(int j=1;j<=i;j++)c[i][j]=(c[i-1][j-1]+c[i-1][j])%m;\n\n\ts[1][1]=1;\n\n\tfor(int i=2;i<N;i++)for(int j=1;j<=i;j++)s[i][j]=(s[i-1][j-1]+1ll*j*s[i-1][j]%m)%m;\n\n\tfor(int i=0;i<=n;i++)\n\n\t{\n\n\t\tlong long a=pw(2,pw(2,n-i,m-1),m),b=pw(2,n-i,m),c=1;\n\n\t\tfor(int j=0;j<=i;j++,c=1ll*c*b%m)(f[i]+=1ll*s[i+1][j+1]*a%m*c%m)%=m;\n\n\t}\n\n\tfor(int i=0;i<=n;i++)if(i&1)(ans-=1ll*c[n][i]*f[i]%m)%=m;else (ans+=1ll*c[n][i]*f[i]%m)%=m;\n\n\tprintf(\"%d\\n\",(ans+m)%m);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000064"}377{"label": "pie_cpp_validation_000065", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 230, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 230, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000065.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000065", "task_path": "tasks/validation/pie_cpp_validation_000065.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<cmath>\n\n#include<iostream>\n\n#include<algorithm>\n\n#define ll long long\n\nusing namespace std;\n\nconst int MAXN=3005;\n\nint n,D;\n\n\n\nll qpow(ll x,ll k,ll mod) {\n\n\tll ret=1;\n\n\twhile(k) {\n\n\t\tif(k&1) ret=ret*x%mod;\n\n\t\tx=x*x%mod;\n\n\t\tk>>=1;\n\n\t}\n\n\treturn ret;\n\n}\n\n\n\nll g[MAXN][MAXN],fac[MAXN],inv[MAXN];\n\nvoid first(int lim) {\n\n\tfor(int i=0;i<=lim;i++) {\n\n\t\tg[i][0]=1;\n\n\t\tfor(int j=1;j<=i;j++)\n\n\t\t\tg[i][j]=(g[i-1][j-1]+g[i-1][j]*(j+1))%D;\n\n\t}\n\n\t\n\n\tfac[0]=inv[0]=1;\n\n\tfor(int i=1;i<=lim;i++) fac[i]=fac[i-1]*i%D;\n\n\tinv[lim]=qpow(fac[lim],D-2,D);\n\n\tfor(int i=lim-1;i;i--) inv[i]=inv[i+1]*(i+1)%D;\n\n}\n\n\n\nll C(int x,int y,int mod) {\n\n\treturn fac[x]*inv[y]%mod*inv[x-y]%mod;\n\n}\n\nll calc(int x) {\n\n\tll ret=0;\n\n\tfor(int i=0;i<=x;i++)\n\n\t\tret=(ret+g[x][i]*qpow(2,(ll)(n-x)*i,D))%D;\n\n\treturn ret*qpow(2,qpow(2,n-x,D-1),D)%D;\n\n}\n\n\n\nll ans;\n\nint main() {\n\n\tscanf(\"%d%d\",&n,&D);\n\n\tfirst(n);\n\n\tans=qpow(2,qpow(2,n,D-1),D);\n\n\tfor(int i=1;i<=n;i++) {\n\n\t\tll tmp=C(n,i,D)*calc(i)%D;\n\n\t\tif(i&1) ans=(ans-tmp)%D;\n\n\t\telse ans=(ans+tmp)%D;\n\n\t}\n\n\tprintf(\"%lld\\n\",(ans+D)%D);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000065"}378{"label": "pie_cpp_validation_000066", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 147, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 147, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000066.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000066", "task_path": "tasks/validation/pie_cpp_validation_000066.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n/*\n\n\t\u5bb9\u65a5\u539f\u7406 + \u9012\u63a8\n\n\t\u4e0d\u91cd\u590d\u5730\u9009\u62e9\u4e00\u4e9b\u7684\u96c6\u5408\n\n\t\u7b54\u6848\u8981\u6c42\u7684\u662f\u6bcf\u4e00\u79cd\u5143\u7d20\u5fc5\u987b\u51fa\u73b0\u4e24\u6b21\u4ee5\u4e0a\n\n\tans = \\sum (-1)^i f[i]\n\n\t\u5176\u4e2d f[i] \u8868\u793a\u81f3\u5c11\u6709 i \u4e2a\u5143\u7d20\u4e0d\u6ee1\u8db3\u6761\u4ef6\n\n\t\u8003\u8651\u679a\u4e3e\u8fd9 i \u4e2a\u5143\u7d20, \u6709 C(n, i) \u79cd\u65b9\u5f0f\n\n\t\u8fd9 i \u4e2a\u5143\u7d20\u653e\u5728\u96c6\u5408\u7684\u4e2a\u6570\u662f O(n) \u7ea7\u522b\u7684, \u800c\u4e14\u6700\u540e\u7b54\u6848\u4e5f\u8ddf\u96c6\u5408\u4e2a\u6570\u6709\u5173\n\n\t\u5c31\u5148\u8bbe g[i][j] \u4e3a\u8003\u8651\u4e86\u524d i \u4e2a\u5143\u7d20\u653e\u5728 j \u4e2a\u96c6\u5408\u91cc, \u4e14\u90fd\u4e0d\u6ee1\u8db3\u6761\u4ef6\u7684\u65b9\u6848\u6570\n\n\tg[i][j] = g[i - 1][j - 1] + g[i - 1][j] * (j + 1)\n\n\t\u524d\u4e00\u4e2a\u8868\u793a\u8fd9\u4e2a\u5143\u7d20\u5c31\u653e\u5728\u7b2c j \u4e2a\u96c6\u5408\u91cc\n\n\t\u540e\u4e00\u4e2a\u8868\u793a\u8fd9\u4e2a\u5143\u7d20\u53ef\u4ee5\u653e\u5728 j \u4e2a\u96c6\u5408\u91cc, \u4e5f\u53ef\u4ee5\u4e0d\u653e \n\n*/\n\n#include <bits/stdc++.h>\n\n#define N 3005\n\n\n\nusing namespace std;\n\n\n\nconst int bl = 32761;\n\n\n\nint n, mod;\n\nint comb[N][N], g[N][N];\n\n\n\nint pw[2][2][bl + 1];\n\n\n\nvoid init(int a[2][bl + 1], int x, const int mo) {\n\n\ta[0][0] = 1;\n\n\tfor(int i = 1; i <= bl; ++i)\n\n\t\ta[0][i] = 1LL * x * a[0][i - 1] % mo;\n\n\ta[1][0] = 1;\n\n\tfor(int i = 1; i <= bl; ++i)\n\n\t\ta[1][i] = 1LL * a[0][bl] * a[1][i - 1] % mo;\n\n}\n\ninline int fpm(int typ, int y) {\n\n\treturn 1LL * pw[typ][1][y / bl] * pw[typ][0][y % bl] % mod;\n\n}\n\n\n\nint main() {\n\n\tscanf(\"%d %d\", &n, &mod);\n\n\t\n\n\tinit(pw[0], 2, mod);\n\n\tinit(pw[1], 2, mod - 1);\n\n\t\n\n\tfor(int i = 0; i <= n; ++i) {\n\n\t\tcomb[i][0] = 1;\n\n\t\tfor(int j = 1; j <= i; ++j)\n\n\t\t\tcomb[i][j] = (comb[i - 1][j - 1] + comb[i - 1][j]) % mod;\n\n\t}\n\n\tfor(int i = 0; i <= n; ++i) {\n\n\t\tg[i][0] = 1;\n\n\t\tfor(int j = 1; j <= i; ++j)\n\n\t\t\tg[i][j] = (g[i - 1][j - 1] +\n\n\t\t\t(j + 1LL) * g[i - 1][j]) % mod;\n\n\t}\n\n\t\n\n\tint ans = 0;\n\n\tfor(int i = 0; i <= n; ++i) {\n\n\t\tint res = 0;\n\n\t\tfor(int j = 0; j <= i; ++j) {\n\n\t\t\tres = (res + 1LL * comb[n][i] * g[i][j] % mod\n\n\t\t\t\t * fpm(0, (n - i) * j) % mod\n\n\t\t\t\t * fpm(0, fpm(1, n - i))) % mod;\n\n\t\t}\n\n\t\tif(i & 1) {\n\n\t\t\tans = (ans + mod - res) % mod;\n\n\t\t} else {\n\n\t\t\tans = (ans + res) % mod;\n\n\t\t}\n\n\t}\n\n\tprintf(\"%d\\n\", ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000066"}379{"label": "pie_cpp_validation_000067", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1591, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 1591, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000067.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000067", "task_path": "tasks/validation/pie_cpp_validation_000067.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define N 3050\n\nusing namespace std;\n\nint n,m;\n\nint s[N][N],c[N][N];\n\ninline int qpow(int d,int z,const int mod=m){\n\n\tint ret=1;\n\n\tfor(;z;z>>=1,d=1ll*d*d%mod)\n\n\t\tif(z&1)ret=1l*ret*d%mod;\n\n\treturn ret;\n\n}\n\ninline void init(int n,const int mod=m){\n\n\ts[0][0]=1;\n\n\tfor(int i=0;i<=n;++i){c[i][0]=1;\n\n\t\tfor(int j=1;j<=i;++j){\n\n\t\t\ts[i][j]=(s[i-1][j-1]+1ll*s[i-1][j]*j)%mod;\n\n\t\t\tc[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;\n\n\t\t}\n\n\t}\n\n}\n\nint main(){\n\n\tcin>>n>>m;init(n+1);\n\n\tint ans=0;\n\n\tconst int mod=m;\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tfor(int j=0;j<=i;++j){\n\n\t\t\tif(i&1)ans+=mod-1ll*c[n][i]*s[i+1][j+1]%mod*qpow(2,qpow(2,n-i,mod-1))%mod*qpow(qpow(2,n-i),j)%mod;\n\n\t\t\telse ans+=1ll*c[n][i]*s[i+1][j+1]%mod*qpow(2,qpow(2,n-i,mod-1))%mod*qpow(qpow(2,n-i),j)%mod;\n\n\t\t\tif(ans>=mod)ans-=mod;\n\n\t\t}\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000067"}380{"label": "pie_cpp_validation_000068", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 221, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 221, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000068.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000068", "task_path": "tasks/validation/pie_cpp_validation_000068.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing lint = long long int;\n\n#define FOR(i, begin, end) for(int i=(begin);i<(end);i++)\n\n#define REP(i, n) FOR(i,0,n)\n\n\n\nint N;\n\nlint MOD;\n\n\n\nlint power(lint x, lint n, lint MOD=MOD)\n\n{\n\n lint ans = 1;\n\n while (n>0)\n\n {\n\n if (n & 1) (ans *= x) %= MOD;\n\n (x *= x) %= MOD;\n\n n >>= 1;\n\n }\n\n return ans;\n\n}\n\n\n\nvector<lint> fac, facInv, inv;\n\nvoid facInit(int nmax)\n\n{\n\n fac = facInv = inv = vector<lint>(nmax + 1, 1);\n\n for (int i = 2; i <= nmax; i++)\n\n {\n\n fac[i] = fac[i-1] * i % MOD;\n\n inv[i] = MOD - inv[MOD%i] * (MOD/i) % MOD;\n\n facInv[i] = facInv[i-1] * inv[i] % MOD;\n\n }\n\n}\n\n\n\nlint nCr(int n, int r)\n\n{\n\n if (n<r || r<0) return 0;\n\n return (fac[n] * facInv[r] % MOD) * facInv[n-r] % MOD;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n cin >> N >> MOD;\n\n facInit(N);\n\n\n\n vector<lint> part(N + 1, 0);\n\n\n\n vector<vector<lint> > dp(N+1, vector<lint>(N+1)); // dp[i][j] : \u54c11~i\u306e\u4e00\u90e8\u3092j\u676f\u306b\u5206\u5272\u3059\u308b\u7dcf\u6570\n\n REP(i, N+1) dp[i][0] = 1;\n\n FOR(i, 1, N+1) FOR(j, 1, N+1) {\n\n dp[i][j] = (dp[i-1][j] * (j + 1) + dp[i-1][j-1]) % MOD;\n\n }\n\n\n\n REP(n, N+1) {\n\n lint pattern = power(2, N - n);\n\n lint pattern_p = power(2, N - n, MOD - 1);\n\n REP(j, n+1) (part[n] += (dp[n][j] * power(pattern, j) % MOD) * power(2, pattern_p)) %= MOD;\n\n }\n\n\n\n lint ans = 0;\n\n REP(n, N+1) (ans += ((MOD + 1 - n%2*2) * nCr(N, n) % MOD) * part[n]) %= MOD;\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000068"}381{"label": "pie_cpp_validation_000069", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1149, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 1149, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000069.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000069", "task_path": "tasks/validation/pie_cpp_validation_000069.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <ext/pb_ds/assoc_container.hpp>\n\nusing namespace __gnu_pbds;\n\nusing namespace std;\n\n\n\ntemplate<class T> ostream& operator<<(ostream &os, vector<T> V) {\n\n os << \"[ \"; for(auto v : V) os << v << \" \"; return os << \"]\";}\n\ntemplate<class L, class R> ostream& operator<<(ostream &os, pair<L,R> P) {\n\n\treturn os << \"(\" << P.first << \",\" << P.second << \")\";}\n\n\n\n#define TRACE\n\n#ifdef TRACE\n\n#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)\n\ntemplate <typename Arg1>\n\nvoid __f(const char* name, Arg1&& arg1){\n\n\tcout << name << \" : \" << arg1 << std::endl;\n\n}\n\ntemplate <typename Arg1, typename... Args>\n\nvoid __f(const char* names, Arg1&& arg1, Args&&... args){\n\n\tconst char* comma = strchr(names + 1, ',');cout.write(names, comma - names) << \" : \" << arg1<<\" | \";__f(comma+1, args...);\n\n}\n\n#else\n\n#define trace(...) 1\n\n#endif\n\n\n\n\n\n#define ll long long\n\n#define ld long double\n\n#define vll vector<ll>\n\n#define pll pair<ll,ll>\n\n#define vpll vector<pll>\n\n#define I insert \n\n#define pb push_back\n\n#define F first\n\n#define S second\n\n#define endl \"\\n\"\n\n#define vi vector<int>\n\n#define pii pair<int, int>\n\n#define vpii vector< pii >\n\n\n\n\n\n// int mod=1e9+7;\n\ninline int mul(int a,int b, int mod){return (a*1ll*b)%mod;}\n\ninline int add(int a,int b, int mod){a+=b;if(a>=mod)a-=mod;return a;}\n\ninline int sub(int a,int b, int mod){a-=b;if(a<0)a+=mod;return a;}\n\ninline int power(int a,int b, int mod){int rt=1;while(b>0){if(b&1)rt=mul(rt,a, mod);a=mul(a,a, mod);b>>=1;}return rt;}\n\ninline int inv(int a, int mod){return power(a,mod-2, mod);}\n\n\n\nint N,M;\n\nconst int MAX = 3005;\n\n\n\nint ncr[MAX][MAX];\n\nint dp[MAX][MAX];\n\nint two[MAX], two1[MAX];\n\n\n\nvoid pre(){\n\n\tint i,j,k;\n\n\ttwo[0] = two1[0] = 1;\n\n\tncr[0][0] = 1;\n\n\tfor(i=1;i<MAX;i++){\n\n\t\ttwo[i] = mul(two[i-1], 2, M);\n\n\t\ttwo1[i] = mul(two1[i-1], 2, M-1);\n\n\t\tfor(j=0;j<MAX;j++){\n\n\t\t\tif(j==0)ncr[i][j]=1;\n\n\t\t\telse{\n\n\t\t\t\t// trace(i,j);\n\n\t\t\t\tncr[i][j] = add(ncr[i-1][j],ncr[i-1][j-1], M);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tdp[0][0]=1;\n\n\tfor(i=1;i<MAX;i++){\n\n\t\tfor(j=1;j<=i;j++){\n\n\t\t\tdp[i][j] = add(dp[i-1][j-1], mul(j, dp[i-1][j], M), M);\n\n\t\t}\n\n\t}\n\n}\n\n\n\nvoid solve(){\n\n\tint ans = 0;\n\n\tint i,j,k;\n\n\tfor(i=0;i<=N;i++){\n\n\t\tint cur = ncr[N][i];\n\n\t\tcur = mul(cur, power(2, two1[N-i], M), M);\n\n\t\tint mt = 0;\n\n\t\tfor(k=1;k<=i;k++){\n\n\t\t\tmt = add(mt, mul(dp[i][k], power(two[N-i], k, M), M), M );\n\n\t\t\tmt = add(mt, mul( mul(dp[i][k], k, M), power(two[N-i], k-1, M), M), M);\n\n\t\t}\n\n\t\tif(i==0)mt = 1;\n\n\t\tcur = mul(cur, mt, M);\n\n\t\tif(i&1) cur = sub(0, cur, M);\n\n\n\n\t\tans = add(ans, cur, M);\n\n\t}\n\n\tcout<<ans;\n\n}\n\n\n\nint main(){\n\n\tios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);cout<<setprecision(25);\n\n\tcin>>N>>M;\n\n\tpre();\n\n\t// cout<<\"ok\";\n\n\tsolve();\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000069"}382{"label": "pie_cpp_validation_000070", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 218, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 218, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000070.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000070", "task_path": "tasks/validation/pie_cpp_validation_000070.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint MOD;\n\n\n\nstruct modnum {\n\nprivate:\n\n\tusing ll = long long;\n\n\n\n\tint v;\n\n\n\n\tstatic int minv(int a, int m) {\n\n\t\ta %= m;\n\n\t\tassert(a);\n\n\t\treturn a == 1 ? 1 : int(m - ll(minv(m, a)) * ll(m) / a);\n\n\t}\n\n\n\npublic:\n\n\n\n\tmodnum() : v(0) {}\n\n\tmodnum(ll v_) : v(int(v_)) { if (v < 0) v += MOD; }\n\n\texplicit operator int() const { return v; }\n\n\tfriend std::ostream& operator << (std::ostream& out, const modnum& n) { return out << int(n); }\n\n\tfriend std::istream& operator >> (std::istream& in, modnum& n) { ll v_; in >> v_; n = modnum(v_); return in; }\n\n\n\n\tfriend bool operator == (const modnum& a, const modnum& b) { return a.v == b.v; }\n\n\tfriend bool operator != (const modnum& a, const modnum& b) { return a.v != b.v; }\n\n\n\n\tmodnum inv() const {\n\n\t\tmodnum res;\n\n\t\tres.v = minv(v, MOD);\n\n\t\treturn res;\n\n\t}\n\n\tmodnum neg() const {\n\n\t\tmodnum res;\n\n\t\tres.v = v ? MOD-v : 0;\n\n\t\treturn res;\n\n\t}\n\n\n\n\tmodnum operator- () const {\n\n\t\treturn neg();\n\n\t}\n\n\tmodnum operator+ () const {\n\n\t\treturn modnum(*this);\n\n\t}\n\n\n\n\tmodnum& operator ++ () {\n\n\t\tv ++;\n\n\t\tif (v == MOD) v = 0;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator -- () {\n\n\t\tif (v == 0) v = MOD;\n\n\t\tv --;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator += (const modnum& o) {\n\n\t\tv += o.v;\n\n\t\tif (v >= MOD) v -= MOD;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator -= (const modnum& o) {\n\n\t\tv -= o.v;\n\n\t\tif (v < 0) v += MOD;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator *= (const modnum& o) {\n\n\t\tv = int(ll(v) * ll(o.v) % MOD);\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator /= (const modnum& o) {\n\n\t\treturn *this *= o.inv();\n\n\t}\n\n\n\n\tfriend modnum operator ++ (modnum& a, int) { modnum r = a; ++a; return r; }\n\n\tfriend modnum operator -- (modnum& a, int) { modnum r = a; --a; return r; }\n\n\tfriend modnum operator + (const modnum& a, const modnum& b) { return modnum(a) += b; }\n\n\tfriend modnum operator - (const modnum& a, const modnum& b) { return modnum(a) -= b; }\n\n\tfriend modnum operator * (const modnum& a, const modnum& b) { return modnum(a) *= b; }\n\n\tfriend modnum operator / (const modnum& a, const modnum& b) { return modnum(a) /= b; }\n\n};\n\nusing num = modnum;\n\n\n\ntemplate <typename T> T pow(T a, long long b) {\n\n\tassert(b >= 0);\n\n\tT r = 1; while (b) { if (b & 1) r *= a; b >>= 1; a *= a; } return r;\n\n}\n\n\n\nconst int MAXN = 3100;\n\nint n;\n\nnum ncr[MAXN][MAXN];\n\nnum pp2[MAXN];\n\nnum stir[MAXN][MAXN];\n\n\n\nvoid precomp() {\n\n\tconst int N = 3010;\n\n\tpp2[0] = 2;\n\n\tfor (int i = 1; i <= N; i++) {\n\n\t\tpp2[i] = pp2[i-1] * pp2[i-1];\n\n\t}\n\n\tfor (int i = 0; i <= N; i++) {\n\n\t\tncr[i][0] = ncr[i][i] = 1;\n\n\t\tfor (int j = 1; j < i; j++) {\n\n\t\t\tncr[i][j] = ncr[i-1][j-1] + ncr[i-1][j];\n\n\t\t}\n\n\t}\n\n\tstir[0][0] = 1;\n\n\tfor (int i = 1; i <= N; i++) {\n\n\t\tstir[i][1] = stir[i][i] = 1;\n\n\t\tfor (int j = 2; j < i; j++) {\n\n\t\t\tstir[i][j] = stir[i-1][j-1] + num(j) * stir[i-1][j];\n\n\t\t}\n\n\t}\n\n}\n\n\n\nint main() {\n\n\tios::sync_with_stdio(0), cin.tie(0);\n\n\tcin >> n;\n\n\tcin >> MOD;\n\n\tprecomp();\n\n\tnum ans = 0;\n\n\tfor (int c = 0; c <= n; c++) {\n\n\t\tnum tot = 0;\n\n\t\tfor (int i = 0; i <= c; i++) {\n\n\t\t\ttot += stir[c+1][i+1] * pow(num(2), (n-c) * i);\n\n\t\t}\n\n\t\ttot *= pp2[n-c];\n\n\t\ttot *= ncr[n][c];\n\n\t\tif (c % 2 == 0) ans += tot;\n\n\t\telse ans -= tot;\n\n\t}\n\n\tcout << ans << '\\n';\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000070"}383{"label": "pie_cpp_validation_000071", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 536, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 536, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000071.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000071", "task_path": "tasks/validation/pie_cpp_validation_000071.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nusing pii = pair<int,int>;\n\nusing ll = long long;\n\n#define rep(i, j) for(int i=0; i < (int)(j); i++)\n\n#define repeat(i, j, k) for(int i = (j); i < (int)(k); i++)\n\n#define debug(x) cerr << #x << \" : \" << x << endl\n\n\n\nll modpow(ll n, ll m, ll mod) {\n\n ll ret = 1;\n\n while(m > 0) {\n\n if(m & 1) ret = ret * n % mod;\n\n n = n * n % mod;\n\n m >>= 1;\n\n }\n\n return ret;\n\n}\n\n\n\nvector<vector<ll>> combination_array(int n, ll MOD) {\n\n vector<vector<ll>> nCk(n + 1, vector<ll>(n + 1));\n\n nCk[0][0] = 1;\n\n repeat(i, 1, n + 1) {\n\n nCk[i][0] = nCk[i-1][0];\n\n repeat(j, 1, i + 1) {\n\n nCk[i][j] = (nCk[i-1][j] + nCk[i-1][j-1]) % MOD;\n\n }\n\n }\n\n return nCk;\n\n}\n\n\n\nclass Solver {\n\n public:\n\n bool solve() {\n\n\n\n ll N, M; cin >> N >> M;\n\n\n\n vector<vector<ll>> ways2(N + 1, vector<ll>(N + 1, 0));\n\n // ways2[i][j] := 1,..,i \u304c\u3059\u3079\u3066\uff11\u676f\u4ee5\u4e0b and\n\n // 1,...,i \u306e\u5c11\u306a\u304f\u3068\u3082\uff11\u3064\u304c\u4e57\u3063\u3066\u3044\u308b\u30e9\u30fc\u30e1\u30f3\u304c\u3061\u3087\u3046\u3069 j \u676f\u3067\u3042\u308b\n\n // \u3088\u3046\u306a\u30e9\u30fc\u30e1\u30f3\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u7dcf\u6570\n\n rep(i, N + 1) ways2[i][0] = 1;\n\n\n\n repeat(i, 1, N + 1) {\n\n repeat(j, 1, N + 1) {\n\n ways2[i][j] += ways2[i - 1][j]; // i \u3092\u4f7f\u308f\u306a\u3044\n\n ways2[i][j] %= M;\n\n ways2[i][j] += ways2[i - 1][j - 1]; // i \u3060\u3051\u304c\u4e57\u3063\u305f\u65b0\u898f\u30e9\u30fc\u30e1\u30f3\u3092\u751f\u6210\n\n ways2[i][j] %= M;\n\n ways2[i][j] += ways2[i - 1][j] * j; // i \u3092\u65e2\u5b58\u306e\u30e9\u30fc\u30e1\u30f3\u306b\u4e57\u3063\u3051\u308b\n\n ways2[i][j] %= M;\n\n }\n\n }\n\n // debug(ways2);\n\n vector<ll> ways(N + 1);\n\n // ways[i] := 1,...,i \u304c\u3059\u3079\u3066\uff11\u676f\u4ee5\u4e0b \u306a\u30e9\u30fc\u30e1\u30f3\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u7dcf\u6570\n\n rep(i, N + 1) {\n\n vector<ll> p(N + 1); {\n\n // p[j] := (2^(N-i))^j\n\n ll base = modpow(2, N - i, M);\n\n p[0] = 1;\n\n rep(j, N) p[j + 1] = p[j] * base % M;\n\n }\n\n rep(j, N + 1) {\n\n ways[i] += ways2[i][j] * p[j] % M;\n\n ways[i] %= M;\n\n }\n\n }\n\n\n\n auto nCk = combination_array(N, M);\n\n vector<ll> pow22i(N + 1); {\n\n // pow22i[i] := 2^(2^i)\n\n pow22i[0] = 2;\n\n rep(i, N) pow22i[i + 1] = pow22i[i] * pow22i[i] % M;\n\n }\n\n\n\n ll ans = 0;\n\n rep(i, N + 1) {\n\n ll a = nCk[N][i] * ways[i] % M;\n\n a = a * pow22i[N - i] % M; // modpow(2, modpow(2, N - i, M - 1), M) % M;\n\n if(i % 2 == 0) ans = (ans + a) % M;\n\n else {\n\n a *= -1;\n\n while(a < 0) a += M;\n\n ans = (ans + a) % M;\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n }\n\n};\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n Solver s;\n\n s.solve();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000071"}384{"label": "pie_cpp_validation_000072", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 279, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 279, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000072.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000072", "task_path": "tasks/validation/pie_cpp_validation_000072.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int maxn=3e3+10;\n\nll n,mod,c[maxn][maxn],s[maxn][maxn],ans;\n\n\n\ninline ll fpow(ll a,ll n,ll mod) {\n\n\tll res=1;\n\n\tfor(; n; n>>=1,a=a*a%mod)\n\n\t\tif(n&1ll)\n\n\t\t\tres=res*a%mod;\n\n\treturn res;\n\n}\n\n\n\nint main() {\n\n\tcin>>n>>mod;\n\n\tfor(int i=0; i<maxn; ++i) {\n\n\t\tc[i][0]=1;\n\n\t\tfor(int j=1; j<=i; ++j)\n\n\t\t\tc[i][j]=(c[i-1][j-1]+c[i-1][j])%mod;\n\n\t}\n\n\tfor(int i=0; i<maxn; ++i) {\n\n\t\ts[i][0]=1;\n\n\t\tfor(int j=1; j<=i; ++j)\n\n\t\t\ts[i][j]=(s[i-1][j-1]+s[i-1][j]*(j+1))%mod;\n\n\t}\n\n\tfor(int i=0; i<=n; ++i) {\n\n\t\tll k=c[n][i];\n\n\t\tif((n-i)&1)\n\n\t\t\tk=(mod-k)%mod;\n\n\t\tll cnt=0;\n\n\t\tfor(ll j=0,y=1; j<=n-i; ++j) {\n\n\t\t\tll kind=fpow(2,i,mod);\n\n\t\t\t(cnt+=s[n-i][j]*y)%=mod;\n\n\t\t\ty=y*kind%mod;\n\n\t\t}\n\n\t\t(ans+=k*cnt%mod*fpow(2,fpow(2,i,mod-1),mod))%=mod;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000072"}385{"label": "pie_cpp_validation_000073", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 151, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 151, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000073.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000073", "task_path": "tasks/validation/pie_cpp_validation_000073.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#pragma GCC optimize (2)\n\n#pragma G++ optimize (2)\n\n#include<bits/stdc++.h>\n\n#define INF 0x3f3f3f3f\n\n#define MAX 3005\n\nusing namespace std;\n\n//char nc()\n\n//{\n\n//\tstatic char buf[100000],*p1=buf,*p2=buf;\n\n//\treturn p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++;\n\n//}\n\nchar nc(){return getchar();}\n\nint read()\n\n{\n\n\tint x=0,y=1;\n\n\tchar c=nc();\n\n\twhile(!isdigit(c))\n\n\t{\n\n\t\tif(c=='-')y=-1;\n\n\t\tc=nc();\n\n\t}\n\n\twhile(isdigit(c))\n\n\t{\n\n\t\tx=(x<<1)+(x<<3)+(c^48);\n\n\t\tc=nc();\n\n\t}\n\n\treturn x*y;\n\n}\n\nint n;\n\nlong long mod,C[MAX][MAX],g[MAX][MAX];\n\nlong long mo(long long x)\n\n{\n\n\treturn x<mod?x:x-mod;\n\n}\n\nlong long quick_pow(long long x,long long y,long long p)\n\n{\n\n\tlong long re=1;\n\n\twhile(y)\n\n\t{\n\n\t\tif(y&1) re=re*x%p;\n\n\t\tx=x*x%p;\n\n\t\ty>>=1;\n\n\t}\n\n\treturn re;\n\n}\n\nint main()\n\n{\n\n\tn=read();mod=read();\n\n\tC[0][0]=1;\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tC[i][0]=1;\n\n\t\tfor(int j=1;j<=i;j++)\n\n\t\t\tC[i][j]=mo(C[i-1][j]+C[i-1][j-1]);\n\n\t}\n\n\tfor(int i=0;i<=n;i++)\n\n\t{\n\n\t\tg[i][0]=1;\n\n\t\tfor(int j=1;j<=i;j++)\n\n\t\t\tg[i][j]=(g[i-1][j-1]+g[i-1][j]*(j+1))%mod;\n\n\t}\n\n\tlong long ANS=0;\n\n\tfor(int i=0;i<=n;i++)\n\n\t{\n\n\t\tlong long tp1=quick_pow(2,n-i,mod),tp2=quick_pow(2,quick_pow(2,n-i,mod-1),mod);\n\n\t\tlong long sm=0,now=1;\n\n\t\tfor(int j=0;j<=i;j++)\n\n\t\t\tsm=(sm+now*g[i][j])%mod,now=now*tp1%mod;\n\n\t\tif(!(i&1)) ANS=(ANS+C[n][i]*tp2%mod*sm)%mod;\n\n\t\telse ANS=mo(ANS-C[n][i]*tp2%mod*sm%mod+mod);\n\n\t}\n\n\tprintf(\"%lld\",ANS);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000073"}386{"label": "pie_cpp_validation_000074", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 494, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 494, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000074.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000074", "task_path": "tasks/validation/pie_cpp_validation_000074.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cstdio>\n\n#include <iostream>\n\n#include <map>\n\n#include <cmath>\n\n#include <queue>\n\n#include <set>\n\n#include <sstream>\n\n#include <stack>\n\n#include <string>\n\n#include <vector>\n\n#include <stdlib.h>\n\n#include <stdio.h>\n\n#include <bitset>\n\n#include <cstring>\n\n#include <deque>\n\n#include <iomanip>\n\n#include <limits>\n\n#include <fstream>\n\nusing namespace std;\n\n#define FOR(I,A,B) for(int I = (A); I < (B); ++I)\n\n#define CLR(mat) memset(mat, 0, sizeof(mat))\n\ntypedef long long ll;\n\nll N,M;\n\nconst int MAX=3030;\n\nll dp[MAX+1][MAX+1];\n\nstruct Combinatorics {\n\n using int64 = long long;\n\n int64 mod;\n\n int64 fact[202020];\n\n int64 invfact[202020];\n\n Combinatorics(int64 mod):mod(mod) {\n\n fact[0] = invfact[0] = 1;\n\n for(int i = 1; i < 202020; ++i) {\n\n fact[i] = fact[i-1]*i%mod;\n\n invfact[i] = minv(fact[i]);\n\n }\n\n }\n\n int64 mpow(int64 x, int64 n) const {\n\n int64 res = 1;\n\n while(n > 0) {\n\n if(n&1) res = res*x%mod;\n\n x = x*x%mod;\n\n n >>= 1;\n\n }\n\n return res;\n\n }\n\n int64 minv(int64 x) const {\n\n return mpow(x, mod-2);\n\n }\n\n int64 mfact(int64 x) const {\n\n return fact[x];\n\n }\n\n int64 C(int64 n, int64 r) const {\n\n if(r < 0 || n < r) return 0;\n\n return fact[n]*invfact[r]%mod*invfact[n-r]%mod;\n\n }\n\n int64 P(int64 n, int64 r) const {\n\n if(r < 0 || n < r) return 0;\n\n return fact[n]*invfact[n-r]%mod;\n\n }\n\n};\n\nvoid calcDP(){\n\n dp[0][0]=1;\n\n FOR(i,1,MAX){\n\n FOR(j,0,i+1){\n\n (dp[i][j]+=dp[i-1][j]*(j+1)%M)%=M;\n\n if(j)(dp[i][j]+=dp[i-1][j-1])%=M;\n\n }\n\n }\n\n}\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n cin>>N>>M;\n\n calcDP();\n\n Combinatorics c1(M);\n\n Combinatorics c2(M-1);\n\n ll ans=0;\n\n FOR(k,0,N+1){\n\n ll cal=0;\n\n ll b=c1.mpow(2,N-k);\n\n ll p=1;\n\n FOR(x,0,N+1){\n\n cal=(cal+dp[k][x]*p)%M;\n\n p=p*b%M;\n\n }\n\n cal=(cal*c1.C(N,k))%M;\n\n cal=(cal*c1.mpow(2,c2.mpow(2,N-k)))%M;\n\n if(k&1){\n\n ans = (ans - cal + M) % M;\n\n }else{\n\n ans = (ans + cal) % M;\n\n }\n\n }\n\n cout<<ans<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000074"}387{"label": "pie_cpp_validation_000075", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1735, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 1735, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000075.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000075", "task_path": "tasks/validation/pie_cpp_validation_000075.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#define __USE_MINGW_ANSI_STDIO 0\n\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\n#define int ll\n\nusing VI = vector<int>;\n\nusing VVI = vector<VI>;\n\nusing PII = pair<int, int>;\n\n\n\n#define FOR(i, a, n) for (ll i = (ll)a; i < (ll)n; ++i)\n\n#define REP(i, n) FOR(i, 0, n)\n\n#define ALL(x) x.begin(), x.end()\n\n#define PB push_back\n\n\n\nconst ll LLINF = (1LL<<60);\n\nconst int INF = (1LL<<30);\n\nint MOD = 1000000007;\n\n\n\ntemplate <typename T> T &chmin(T &a, const T &b) { return a = min(a, b); }\n\ntemplate <typename T> T &chmax(T &a, const T &b) { return a = max(a, b); }\n\ntemplate <typename T> bool IN(T a, T b, T x) { return a<=x&&x<b; }\n\ntemplate<typename T> T ceil(T a, T b) { return a/b + !!(a%b); }\n\ntemplate<class S,class T>\n\nostream &operator <<(ostream& out,const pair<S,T>& a){\n\n out<<'('<<a.first<<','<<a.second<<')';\n\n return out;\n\n}\n\ntemplate<class T>\n\nostream &operator <<(ostream& out,const vector<T>& a){\n\n out<<'[';\n\n REP(i, a.size()) {out<<a[i];if(i!=a.size()-1)out<<',';}\n\n out<<']';\n\n return out;\n\n}\n\n\n\nint dx[] = {0, 1, 0, -1}, dy[] = {1, 0, -1, 0};\n\n\n\n//\u4e8c\u5206\u7d2f\u4e57\u6cd5 x\u306ee\u4e57\n\nll binpow(ll x, ll e, ll mo=MOD) {\n\n ll a = 1, p = x;\n\n while(e > 0) {\n\n if(e%2 == 0) {p = (p*p) % mo; e /= 2;}\n\n else {a = (a*p) % mo; e--;}\n\n }\n\n return a % mo;\n\n}\n\n\n\nll combi(ll N_, ll C_) {\n\n const int NUM_=1e5+10;\n\n static ll fact[NUM_+1]={},factr[NUM_+1]={},inv[NUM_+1]={};\n\n auto binpow = [&](ll x, ll e, ll mo=MOD) -> ll{\n\n ll a = 1, p = x;\n\n while(e > 0) {\n\n if(e%2 == 0) {p = (p*p) % mo; e /= 2;}\n\n else {a = (a*p) % mo; e--;}\n\n }\n\n return a % mo;\n\n };\n\n if (fact[0]==0) {\n\n fact[0] = factr[0] = inv[0] = 1;\n\n FOR(i, 1, NUM_+1) {\n\n fact[i] = fact[i-1] * i % MOD;\n\n inv[i] = binpow(i, MOD-2) % MOD;\n\n factr[i] = factr[i-1] * inv[i] % MOD;\n\n }\n\n }\n\n if(C_<0 || C_>N_) return 0;\n\n // \u524d\u8a08\u7b97 O(max(N,K)log(mod)) \u30af\u30a8\u30ea O(1)\n\n return factr[C_]*fact[N_]%MOD*factr[N_-C_]%MOD;\n\n}\n\n\n\nint dp1[3010], dp2[3010][3010];\n\nsigned main(void)\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n int n;\n\n cin >> n >> MOD;\n\n\n\n REP(i, n+1) {\n\n dp2[i][0] = 1;\n\n FOR(j, 1, i+1) {\n\n dp2[i][j] = (dp2[i-1][j]*(j+1)%MOD + dp2[i-1][j-1]) % MOD;\n\n }\n\n }\n\n // REP(i, n+1) {\n\n // REP(j, i+1) cout << dp2[i][j] << \" \";\n\n // cout << endl;\n\n // }\n\n\n\n REP(i, n+1) {\n\n REP(j, i+1) {\n\n (dp1[i] += dp2[i][j] * binpow(2, (n-i)*j) % MOD) %= MOD;\n\n }\n\n (dp1[i] *= binpow(2, binpow(2, n-i, MOD-1))) %= MOD;\n\n }\n\n // REP(i, n+1) cout << dp1[i] << \" \";\n\n // cout << endl;\n\n\n\n int ans = 0;\n\n REP(i, n+1) {\n\n (ans += (i%2?-1:1) * combi(n, i) * dp1[i] % MOD) %= MOD;\n\n // cout << combi(n, i) << \" \" << ans << endl;\n\n }\n\n cout << (ans%MOD+MOD)%MOD << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000075"}388{"label": "pie_cpp_validation_000076", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 310, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 310, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000076.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000076", "task_path": "tasks/validation/pie_cpp_validation_000076.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint n, s[3007][3007], fac[3007], inv[3007], res, mod;\n\nint fpow(int a, int x, int mod)\n\n{\n\n\tint res = 1;\n\n\twhile (x)\n\n\t{\n\n\t\tif (x & 1)res = 1LL * res * a % mod;\n\n\t\ta = 1LL * a * a % mod;\n\n\t\tx >>= 1;\n\n\t}\n\n\treturn res;\n\n}\n\nint main()\n\n{\n\n\tcin >> n >> mod;\n\n\ts[0][0] = 1;\n\n\tfor (int i = 1; i <= n + 1; i++)\n\n\t\tfor (int j = 1; j <= n + 1; j++)\n\n\t\t\ts[i][j] = (1LL * s[i - 1][j] * j % mod + s[i - 1][j - 1]) % mod;\n\n\tfac[0] = fac[1] = inv[0] = inv[1] = 1;\n\n\tfor (int i = 2; i <= n; i++)\n\n\t\tfac[i] = 1LL * fac[i - 1] * i % mod;\n\n\tfor (int i = 2; i <= n; i++)\n\n\t\tinv[i] = 1LL * (mod - mod / i) * inv[mod % i] % mod;\n\n\tfor (int i = 2; i <= n; i++)\n\n\t\tinv[i] = 1LL * inv[i - 1] * inv[i] % mod;\n\n\tfor (int i = 0; i <= n; i++)\n\n\t{\n\n\t\tint tot = 0;\n\n\t\tint a = fpow(2, fpow(2, n - i, mod - 1), mod);\n\n\t\tint b = fpow(2, n - i, mod);\n\n\t\tfor (int j = 0, k = 1; j <= i; j++, k = 1LL * k * b % mod)\n\n\t\t\ttot = (tot + 1LL * s[i + 1][j + 1] * a % mod * k % mod) % mod;\n\n\t\tres = (res + 1LL * (i & 1 ? mod - 1 : 1) * fac[n] % mod * inv[i] % mod * inv[n - i] % mod * tot % mod) % mod;\n\n\t}\n\n\tcout << res << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000076"}389{"label": "pie_cpp_validation_000077", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 174, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 174, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000077.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000077", "task_path": "tasks/validation/pie_cpp_validation_000077.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define re register int\n\n#define F(x,y,z) for(re x=y;x<=z;x++)\n\n#define FOR(x,y,z) for(re x=y;x>=z;x--)\n\ntypedef long long ll;\n\n#define I inline void\n\n#define IN inline int\n\n#define C(x,y) memset(x,y,sizeof(x))\n\n#define STS system(\"pause\")\n\ntemplate<class D>I read(D &res){\n\n\tres=0;register D g=1;register char ch=getchar();\n\n\twhile(!isdigit(ch)){\n\n\t\tif(ch=='-')g=-1;\n\n\t\tch=getchar();\n\n\t}\n\n\twhile(isdigit(ch)){\n\n\t\tres=(res<<3)+(res<<1)+(ch^48);\n\n\t\tch=getchar();\n\n\t}\n\n\tres*=g;\n\n}\n\nint n,ans,sum,Mod,c[3030][3030],f[3030],g[3030][3030];\n\nIN Pow(int x,int y,int p){\n\n\tre res=1;\n\n\twhile(y){\n\n\t\tif(y&1)res=(ll)res*x%p;\n\n\t\tx=(ll)x*x%p;\n\n\t\ty>>=1;\n\n\t}\n\n\treturn res;\n\n}\n\nI add(int &x,int y){(x+=y)>=Mod?x-=Mod:0;}\n\nIN Plus(int x,int y){(x+=y)>=Mod?x-=Mod:0;return x;}\n\nint main(){\n\n\tread(n);read(Mod);\n\n\tc[0][0]=1;g[0][0]=1;\n\n\tF(i,1,n){\n\n\t\tc[i][0]=1;g[i][0]=1;\n\n\t\tF(j,1,i)c[i][j]=Plus(c[i-1][j],c[i-1][j-1]);\n\n\t\tF(j,1,i)g[i][j]=Plus(g[i-1][j-1],(ll)(j+1)*g[i-1][j]%Mod);\n\n\t}\n\n\tF(i,0,n){\n\n\t\tsum=(ll)c[n][i]*Pow(2,Pow(2,n-i,Mod-1),Mod)%Mod;\n\n\t\tF(j,0,i)add(f[i],(ll)g[i][j]*Pow(2,(ll)(n-i)*j%(Mod-1),Mod)%Mod);\n\n\t\tif(i&1)add(ans,Mod-(ll)sum*f[i]%Mod);else add(ans,(ll)sum*f[i]%Mod);\n\n\t}\n\n\tprintf(\"%d\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000077"}390{"label": "pie_cpp_validation_000078", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 171, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 171, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000078.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000078", "task_path": "tasks/validation/pie_cpp_validation_000078.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int N = 3010;\n\nint n, m, s[N][N], ans, c[N][N], f[N];\n\nint qpow(int a, int b, int mod) {\n\n int c = 1;\n\n while(b) {\n\n if(b & 1) c = 1ll * c * a % mod;\n\n a = 1ll * a * a % mod;\n\n b >>= 1;\n\n }\n\n return c;\n\n}\n\nint main() {\n\n scanf(\"%d %d\", &n, &m);\n\n s[0][0] = 1;\n\n ++n;\n\n for(int i = 1; i <= n; ++i)\n\n for(int j = 1; j <= i; ++j)\n\n s[i][j] = (1ll * j * s[i - 1][j] + s[i - 1][j - 1]) % m;\n\n c[0][0] = 1;\n\n for(int i = 1; i <= n; ++i) {\n\n c[i][0] = 1;\n\n for(int j = 1; j <= i; ++j)\n\n c[i][j] = (c[i - 1][j - 1] + c[i - 1][j]) % m;\n\n }\n\n --n;\n\n for(int i = 0; i <= n; ++i) {\n\n int b1 = qpow(2, n - i, m - 1), b2 = qpow(2, n - i, m);\n\n for(int j = 0; j <= i; ++j)\n\n (f[i] += 1ll * s[i + 1][j + 1] * qpow(b2, j, m) % m) %= m;\n\n f[i] = 1ll * f[i] * c[n][i] % m * qpow(2, b1, m) % m;\n\n if(i & 1) (ans -= f[i]) %= m;\n\n else (ans += f[i]) %= m;\n\n }\n\n printf(\"%d\\n\", (ans + m) % m);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000078"}391{"label": "pie_cpp_validation_000079", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 166, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 166, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000079.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000079", "task_path": "tasks/validation/pie_cpp_validation_000079.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\nusing namespace std;\n\nconst int N=3010;\n\nint n,mod;\n\nlong long f[N][N],c[N][N];\n\ninline long long add(long long x,long long y)\n\n{\n\n return x+y>=mod?x+y-mod:x+y;\n\n}\n\ninline long long sub(long long x,long long y)\n\n{\n\n return x-y<0?x-y+mod:x-y;\n\n}\n\ninline long long po(long long x,long long y,int p)\n\n{\n\n long long u=1ll;\n\n while(y)\n\n {\n\n if(y&1) (u*=x)%=p;\n\n (x*=x)%=p;\n\n y>>=1;\n\n }\n\n return u;\n\n}\n\nint main()\n\n{\n\n scanf(\"%d%d\",&n,&mod);\n\n f[0][0]=1ll;\n\n for(int k=1;k<=n+1;k++)\n\n for(int i=1;i<=k;i++)\n\n f[k][i]=add(f[k-1][i-1],i*f[k-1][i]%mod);\n\n for(int k=0;k<=n;k++)\n\n {\n\n for(int i=0;i<=k;i++)\n\n {\n\n if(k==0||i==0) c[k][i]=1ll;\n\n else c[k][i]=add(c[k-1][i-1],c[k-1][i]);\n\n }\n\n }\n\n long long ans=po(2,po(2,n,mod-1),mod);\n\n for(int k=1;k<=n;k++)\n\n {\n\n long long anss=0ll;\n\n for(int i=0;i<=k;i++)\n\n anss=add(anss,f[k+1][i+1]*po(po(2,n-k,mod),i,mod)%mod);\n\n (anss*=c[n][k]*po(2,po(2,n-k,mod-1),mod)%mod)%=mod;\n\n if(k&1) ans=sub(ans,anss);\n\n else ans=add(ans,anss);\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000079"}392{"label": "pie_cpp_validation_000080", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 348, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 348, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000080.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000080", "task_path": "tasks/validation/pie_cpp_validation_000080.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n/*---Author:HenryHuang---*/\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int maxn=3e3+5;\n\nint n,p;\n\nint ksm(int a,int b,int p){\n\n\tint ans=1;\n\n\twhile(b){\n\n\t\tif(b&1) ans=1ll*ans*a%p;\n\n\t\tb>>=1,a=1ll*a*a%p;\n\n\t}\n\n\treturn ans;\n\n}\n\nint C[maxn][maxn],S[maxn][maxn];\n\nvoid init(){\n\n\tC[0][0]=S[0][0]=1;\n\n\tfor(int i=1;i<=n+1;++i){\n\n\t\tC[i][0]=1;\n\n\t\tfor(int j=1;j<=i;++j){\n\n\t\t\tS[i][j]=(S[i-1][j-1]+1ll*j*S[i-1][j]%p)%p;\n\n\t\t\tC[i][j]=(C[i-1][j-1]+C[i-1][j])%p;\n\n\t\t}\n\n\t}\n\n}\n\nint main(){\n\n\tios::sync_with_stdio(0);\n\n\tcin.tie(0),cout.tie(0);\n\n\tcin>>n>>p;init();\n\n\tint ans=0;\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tint tmp=1ll*ksm(2,ksm(2,n-i,p-1),p)*C[n][i]%p,owo=0;\n\n\t\tif(i&1) tmp=p-tmp;\n\n\t\tfor(int j=0;j<=i;++j){\n\n\t\t\towo=(owo+1ll*S[i+1][j+1]*ksm(2,1ll*(n-i)*j%(p-1),p)%p)%p;\n\n\t\t}\n\n\t\t(ans+=1ll*tmp*owo%p)%=p;\n\n\t}\n\n\tcout<<ans<<'\\n';\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000080"}393{"label": "pie_cpp_validation_000081", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 414, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 414, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000081.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000081", "task_path": "tasks/validation/pie_cpp_validation_000081.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\nusing namespace std;\n\nint n,mod,C[3030][3030],S[3030][3030],pom[3030],po[3030],ans;\n\ninline int kpow(int a,int b)\n\n{\n\n\tint s=1;\n\n\tfor(;b;b>>=1,a=1ll*a*a%mod)\n\n\t\tif(b&1)s=1ll*s*a%mod;\n\n\treturn s;\n\n}\n\nint main()\n\n{\n\n\tscanf(\"%d %d\",&n,&mod);\n\n\tfor(int i=0;i<=n;++i)\n\n\t{\n\n\t\tS[i][0]=i==0;\n\n\t\tfor(int j=1;j<=n;++j)S[i][j]=(S[i-1][j-1]+1ll*S[i][j-1]*(i+1))%mod;\n\n\t}\n\n\tfor(int i=0;i<=n;++i)\n\n\t{\n\n\t\tC[i][0]=1;\n\n\t\tfor(int j=1;j<=i;++j)(C[i][j]=C[i-1][j-1]+C[i-1][j])>=mod?C[i][j]-=mod:0;\n\n\t}\n\n\tpom[0]=2,po[0]=1;\n\n\tfor(int i=1;i<=n;++i)pom[i]=1ll*pom[i-1]*pom[i-1]%mod,po[i]=(po[i-1]<<1)%mod;\n\n\tfor(int i=0;i<=n;++i)\n\n\t{\n\n\t\tint res=0,w=1;\n\n\t\tfor(int j=0;j<=n;++j)res=(res+1ll*S[j][i]*pom[n-i]%mod*w)%mod,w=1ll*w*po[n-i]%mod;\n\n\t\tif(i&1)ans=(ans+1ll*(mod-res)*C[n][i])%mod;\n\n\t\telse ans=(ans+1ll*res*C[n][i])%mod;\n\n\t}\n\n\tprintf(\"%d\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000081"}394{"label": "pie_cpp_validation_000082", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 522, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 522, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000082.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000082", "task_path": "tasks/validation/pie_cpp_validation_000082.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i, begin, end) for(int i=(begin);i<(end);i++)\n\n#define REP(i, n) FOR(i,0,n)\n\n#define SORT(a) sort(a.begin(), a.end())\n\n#define int long long\n\nusing namespace std;\n\n\n\ntypedef pair<int, int> Pii;\n\n\n\ntemplate<typename T>\n\nvoid readvec(vector<T> &a);\n\nvoid readindex(vector<int> &a);\n\n\n\nint calcmod(int x, int M){\n\n if(x >= 0) return x % M;\n\n int n = -1 * (x / M) + 1;\n\n return (x + n * M) % M; \n\n}\n\n\n\nint extgcd(int a, int b, int &x, int &y){\n\n int d = a;\n\n if(b != 0){\n\n d = extgcd(b, a % b, y, x);\n\n y -= (a / b) * x;\n\n }else{\n\n x = 1;\n\n y = 0;\n\n }\n\n return d;\n\n}\n\n\n\nint mod_inverse(int a, int m){\n\n int x, y;\n\n extgcd(a, m, x, y);\n\n return (m + x % m) % m;\n\n}\n\n\n\nsigned main(){\n\n\n\n int N, M;\n\n cin >> N >> M;\n\n\n\n vector< vector<int> > dp(N + 1, vector<int>(N + 1, 0));\n\n FOR(i, 0, N + 1){\n\n dp[i][0] = 1;\n\n }\n\n FOR(j, 1, N + 1){\n\n dp[0][j] = 0;\n\n }\n\n FOR(i, 1, N + 1){\n\n FOR(j, 1, N + 1){\n\n dp[i][j] = (dp[i - 1][j - 1] + (j + 1) * dp[i - 1][j]) % M;\n\n }\n\n }\n\n\n\n //2^(i*j)\n\n vector< vector<int> > pow1(N + 1, vector<int>(N + 1, 1));\n\n FOR(i, 1, N + 1){\n\n pow1[i][1] = (2 * pow1[i - 1][1]) % M;\n\n }\n\n FOR(i, 1, N + 1){\n\n FOR(j, 2, N + 1){\n\n pow1[i][j] = (pow1[i][j - 1] * pow1[i][1]) % M;\n\n }\n\n }\n\n\n\n //2^(2^i)\n\n vector<int> pow2(N + 1, 1);\n\n REP(i, N + 1){\n\n //2^(M-1)=1(mod M)\n\n //2^i mod(M-1)\u3092\u77e5\u308a\u305f\u3044\n\n int t = 1;\n\n for(int j = 50; j >= 0; j--){\n\n t = (t * t) % (M - 1);\n\n if(((i >> j) & 1) == 1){\n\n t = (t * 2) % (M - 1);\n\n }\n\n }\n\n //2^t mod M\u3092\u6c42\u3081\u308b\n\n for(int j = 50; j >= 0; j--){\n\n pow2[i] = (pow2[i] * pow2[i]) % M;\n\n if(((t >> j) & 1) == 1){\n\n pow2[i] = (pow2[i] * 2) % M;\n\n }\n\n }\n\n }\n\n\n\n vector<int> ways(N + 1);\n\n vector< vector<int> > ways2(N + 1, vector<int>(N + 1));\n\n\n\n FOR(i, 0, N + 1){\n\n ways[i] = 0;\n\n FOR(j, 0, i + 1){\n\n ways2[i][j] = dp[i][j];\n\n //j\u676f\u306b\u4ed6\u306e\u30c8\u30c3\u30d4\u30f3\u30b0\u8f09\u305b\u308b\uff1f(*2^(j*(N-i)))\n\n ways2[i][j] = (ways2[i][j] * pow1[j][N - i]) % M;\n\n\n\n //\u6b8b\u308a\u306eN-i\u7a2e\u985e\u306e\u30c8\u30c3\u30d4\u30f3\u30b0\u306e\u307f\u3067\u4f5c\u308b2^(N-i)\u7a2e\u985e\u306e\u305d\u308c\u305e\u308c\u98df\u3079\u308b?(*2^(2^(N-i)))\n\n ways2[i][j] = (ways2[i][j] * pow2[N - i]) % M;\n\n\n\n ways[i] = (ways[i] + ways2[i][j]) % M;\n\n }\n\n }\n\n\n\n vector<int> fact(N + 1, 1);\n\n FOR(i, 1, N + 1){\n\n fact[i] = (fact[i - 1] * i) % M;\n\n }\n\n \n\n int ans = 0;\n\n REP(i, N + 1){\n\n int tmp = (fact[N] * mod_inverse(fact[i], M)) % M;\n\n tmp = (tmp * mod_inverse(fact[N - i], M)) % M;\n\n if(i % 2 == 0){\n\n tmp = calcmod(tmp, M);\n\n }else{\n\n tmp = calcmod(-1 * tmp, M);\n\n }\n\n tmp = tmp * ways[i];\n\n ans = (ans + tmp) % M;\n\n }\n\n\n\n cout << ans;\n\n return 0;\n\n}\n\n\n\n\n\ntemplate<typename T>\n\nvoid readvec(vector<T> &a){\n\n REP(i, a.size()){\n\n cin >> a[i];\n\n }\n\n}\n\nvoid readindex(vector<int> &a){\n\n REP(i, a.size()){\n\n cin >> a[i];\n\n a[i]--;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000082"}395{"label": "pie_cpp_validation_000083", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 300, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 300, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000083.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000083", "task_path": "tasks/validation/pie_cpp_validation_000083.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ll long long\n\n#define INF 1000000005\n\n#define EPS 1e-10\n\n#define rep(i,n) for(int i=0;i<(int)(n);++i)\n\n#define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i)\n\n#define srep(i,s,t) for(int i=(int)(s);i<(int)(t);++i)\n\n#define each(a,b) for(auto& (a): (b))\n\n#define all(v) (v).begin(),(v).end()\n\n#define len(v) (int)(v).size()\n\n#define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end())\n\n#define cmx(x,y) x=max(x,y)\n\n#define cmn(x,y) x=min(x,y)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define show(x) cout<<#x<<\" = \"<<(x)<<endl\n\n#define spair(p) cout<<#p<<\": \"<<p.fi<<\" \"<<p.se<<endl\n\n#define sar(a,n) cout<<#a<<\":\";rep(pachico,n)cout<<\" \"<<a[pachico];cout<<endl\n\n#define svec(v) cout<<#v<<\":\";rep(pachico,v.size())cout<<\" \"<<v[pachico];cout<<endl\n\n#define svecp(v) cout<<#v<<\":\";each(pachico,v)cout<<\" {\"<<pachico.first<<\":\"<<pachico.second<<\"}\";cout<<endl\n\n#define sset(s) cout<<#s<<\":\";each(pachico,s)cout<<\" \"<<pachico;cout<<endl\n\n#define smap(m) cout<<#m<<\":\";each(pachico,m)cout<<\" {\"<<pachico.first<<\":\"<<pachico.second<<\"}\";cout<<endl\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> P;\n\ntypedef pair<ll,ll> pll;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vl> vvl;\n\ntypedef vector<double> vd;\n\ntypedef vector<P> vp;\n\ntypedef vector<string> vs;\n\n\n\nconst int MAX_N = 3005;\n\nint MOD;\n\n\n\nll inv[MAX_N],fac[MAX_N],finv[MAX_N];\n\n\n\nvoid make()\n\n{\n\n\tfac[0] = fac[1] = 1;\n\n\tfinv[0] = finv[1] = 1;\n\n\tinv[1] = 1;\n\n\tfor(int i=2;i<MAX_N;i++){\n\n\t\tinv[i] = MOD - inv[MOD%i] * (MOD/i) % MOD;\n\n\t\tfac[i] = fac[i-1] * (ll) i % MOD;\n\n\t\tfinv[i] = finv[i-1] * inv[i] % MOD;\n\n\t}\n\n}\n\n\n\nll comb(int a,int b)\n\n{\n\n\tif(a<b){\n\n\t\treturn 0;\n\n\t}\n\n\treturn fac[a] * (finv[b] * finv[a-b] % MOD) % MOD;\n\n}\n\n\n\ninline ll add(ll x,ll y)\n\n{\n\n return (x + y)%MOD;\n\n}\n\n\n\ninline ll sub(ll x,ll y)\n\n{\n\n return (x+MOD-y)%MOD;\n\n}\n\n\n\ninline ll mul(ll x,ll y)\n\n{\n\n return x*y%MOD;\n\n}\n\n\n\nint t[9000005];\n\nint tt[3005];\n\nint S[3005][3005];\n\n\n\nvoid Stirling(int N)\n\n{\n\n S[0][0] = 1;\n\n rep(i,N){\n\n rep(j,i+1){\n\n S[i+1][j+1] = add(S[i][j],mul(j+1,S[i][j+1]));\n\n }\n\n }\n\n}\n\n\n\nint main()\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int n;\n\n cin >> n >> MOD;\n\n make();\n\n t[0] = 1;\n\n rep(i,n*n){\n\n t[i+1] = mul(t[i],2);\n\n }\n\n tt[0] = 2;\n\n rep(i,n){\n\n tt[i+1] = mul(tt[i],tt[i]);\n\n }\n\n Stirling(n+1);\n\n int ans = 0;\n\n rep(k,n+1){\n\n int cri = 0;\n\n rep(i,k+1){\n\n cri = add(cri,mul(t[i*(n-k)],S[k+1][i+1]));\n\n }\n\n if(k % 2){\n\n ans = sub(ans,mul(cri,mul(tt[n-k],comb(n,k))));\n\n }else{\n\n ans = add(ans,mul(cri,mul(tt[n-k],comb(n,k))));\n\n }\n\n }\n\n cout << ans << \"\\n\";\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000083"}396{"label": "pie_cpp_validation_000084", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 208, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 208, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000084.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000084", "task_path": "tasks/validation/pie_cpp_validation_000084.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ll long long\n\n#define INF 1000000005\n\n#define EPS 1e-10\n\n#define rep(i,n) for(int i=0;i<(int)(n);++i)\n\n#define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i)\n\n#define srep(i,s,t) for(int i=(int)(s);i<(int)(t);++i)\n\n#define each(a,b) for(auto& (a): (b))\n\n#define all(v) (v).begin(),(v).end()\n\n#define len(v) (int)(v).size()\n\n#define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end())\n\n#define cmx(x,y) x=max(x,y)\n\n#define cmn(x,y) x=min(x,y)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define show(x) cout<<#x<<\" = \"<<(x)<<endl\n\n#define spair(p) cout<<#p<<\": \"<<p.fi<<\" \"<<p.se<<endl\n\n#define sar(a,n) cout<<#a<<\":\";rep(pachico,n)cout<<\" \"<<a[pachico];cout<<endl\n\n#define svec(v) cout<<#v<<\":\";rep(pachico,v.size())cout<<\" \"<<v[pachico];cout<<endl\n\n#define svecp(v) cout<<#v<<\":\";each(pachico,v)cout<<\" {\"<<pachico.first<<\":\"<<pachico.second<<\"}\";cout<<endl\n\n#define sset(s) cout<<#s<<\":\";each(pachico,s)cout<<\" \"<<pachico;cout<<endl\n\n#define smap(m) cout<<#m<<\":\";each(pachico,m)cout<<\" {\"<<pachico.first<<\":\"<<pachico.second<<\"}\";cout<<endl\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> P;\n\ntypedef pair<ll,ll> pll;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vl> vvl;\n\ntypedef vector<double> vd;\n\ntypedef vector<P> vp;\n\ntypedef vector<string> vs;\n\n\n\nconst int MAX_N = 3005;\n\nint MOD;\n\n\n\nint inv[MAX_N],fac[MAX_N],finv[MAX_N];\n\n\n\nvoid make()\n\n{\n\n\tfac[0] = fac[1] = 1;\n\n\tfinv[0] = finv[1] = 1;\n\n\tinv[1] = 1;\n\n\tfor(int i=2;i<MAX_N;i++){\n\n\t\tinv[i] = MOD - (ll)inv[MOD%i] * (MOD/i) % MOD;\n\n\t\tfac[i] = (ll)fac[i-1] * i % MOD;\n\n\t\tfinv[i] = (ll)finv[i-1] * inv[i] % MOD;\n\n\t}\n\n}\n\n\n\nint comb(int a,int b)\n\n{\n\n\tif(a<b){\n\n\t\treturn 0;\n\n\t}\n\n\treturn fac[a] * ((ll)finv[b] * finv[a-b] % MOD) % MOD;\n\n}\n\n\n\ninline int add(int x,int y)\n\n{\n\n return (x + y)%MOD;\n\n}\n\n\n\ninline int sub(int x,int y)\n\n{\n\n return (x+MOD-y)%MOD;\n\n}\n\n\n\ninline int mul(int x,int y)\n\n{\n\n return (ll)x*y%MOD;\n\n}\n\nint t[9000005];\n\nint tt[3005];\n\nint S[3005][3005];\n\n\n\nvoid Stirling(int N)\n\n{\n\n S[0][0] = 1;\n\n rep(i,N){\n\n rep(j,i+1){\n\n S[i+1][j+1] = add(S[i][j],mul(j+1,S[i][j+1]));\n\n }\n\n }\n\n}\n\n\n\nint main()\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int n;\n\n cin >> n >> MOD;\n\n make();\n\n t[0] = 1;\n\n rep(i,n*n){\n\n t[i+1] = mul(t[i],2);\n\n }\n\n tt[0] = 2;\n\n rep(i,n){\n\n tt[i+1] = mul(tt[i],tt[i]);\n\n }\n\n Stirling(n+1);\n\n int ans = 0;\n\n rep(k,n+1){\n\n int cri = 0;\n\n rep(i,k+1){\n\n cri = add(cri,mul(t[i*(n-k)],S[k+1][i+1]));\n\n }\n\n if(k % 2){\n\n ans = sub(ans,mul(cri,mul(tt[n-k],comb(n,k))));\n\n }else{\n\n ans = add(ans,mul(cri,mul(tt[n-k],comb(n,k))));\n\n }\n\n }\n\n cout << ans << \"\\n\";\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000084"}397{"label": "pie_cpp_validation_000085", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 157, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 157, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000085.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000085", "task_path": "tasks/validation/pie_cpp_validation_000085.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint n,mod,fac[3005],inv[3005];\n\nint f[3005][3005],c[3005][3005];\n\ninline int qpow(int a,int b,int mod)\n\n{int res=1,tp=a;\n\nwhile (b)\n\n{if (b&1) res=1ll*res*tp%mod;\n\ntp=1ll*tp*tp%mod;b>>=1;\n\n}\n\nreturn res;\n\n}\n\nint main (){\n\n\tint i,j,k,ans=0;\n\n\tfac[0]=1;\n\n\tscanf (\"%d%d\",&n,&mod);\n\n\tfor (i=1;i<=n;i++)\n\n\t{fac[i]=1ll*fac[i-1]*i%mod;\n\n\tinv[i]=qpow(fac[i],mod-2,mod);\n\n\t}\n\n\tfor (i=0;i<=n;i++)\n\n\t{c[i][0]=c[i][i]=1;\n\n\tfor (j=1;j<i;j++)\n\n\t{c[i][j]=c[i-1][j-1]+c[i-1][j];\n\n\tif (c[i][j]>=mod) c[i][j]-=mod;\n\n\t}\n\n\t}\n\n\tf[0][0]=1;\n\n\tfor (i=1;i<=n;i++)\n\n\t{f[i][0]=1;\n\n\tfor (j=1;j<=i;j++)\n\n\t{f[i][j]=1ll*f[i-1][j]*(j+1)%mod;\n\n\tf[i][j]=(f[i][j]+f[i-1][j-1]>=mod?f[i][j]+f[i-1][j-1]-mod:f[i][j]+f[i-1][j-1]);\n\n\t}\n\n\t}\n\n\tfor (i=0;i<=n;i++)\n\n\t{int wys=qpow(2,n-i,mod),now=1,res=0;\n\n\tint rm=qpow(2,qpow(2,n-i,mod-1),mod);\n\n\tfor (j=0;j<=i;j++)\n\n\t{res+=1ll*f[i][j]*now%mod;\n\n\tnow=1ll*now*wys%mod;\n\n\tif (res>=mod) res-=mod;\n\n\t}\n\n\tres=1ll*res*rm%mod;\n\n\tres=1ll*res*c[n][i]%mod;\n\n\tif (i&1) {ans-=res;}\n\n\telse {ans+=res;}\n\n\tif (ans<0) ans+=mod;\n\n\tif (ans>=mod) ans-=mod;\n\n\t}\n\n\tprintf (\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000085"}398{"label": "pie_cpp_validation_000086", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 485, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 485, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000086.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000086", "task_path": "tasks/validation/pie_cpp_validation_000086.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <iostream>\n\n#include <vector>\n\n#include <queue>\n\n#include <stack>\n\n#include <algorithm>\n\n\n\nusing ll = long long int;\n\nusing P = std::pair<ll, int>;\n\nconst int INF = (1<<30);\n\nconst ll INFLL = (1ll<<60);\n\n\n\n#define l_ength size\n\n\n\nll MOD;\n\n\n\nvoid mul_mod(ll& a, ll b){\n\n\ta *= b;\n\n\ta %= MOD;\n\n}\n\n\n\nvoid add_mod(ll& a, ll b){\n\n\ta = (a<MOD)?a:(a-MOD);\n\n\tb = (b<MOD)?b:(b-MOD);\n\n\ta += b;\n\n\ta = (a<MOD)?a:(a-MOD);\n\n}\n\n\n\nll memo[3030][3030],dp[3030][3030];\n\nbool done[3030][3030];\n\n\n\nll rwpw(ll a, ll p, ll m = MOD){\n\n\tll ret = 1ll;\n\n\twhile(p){\n\n\t\tif(p%2){\n\n\t\t\tret *= a; ret %= m;\n\n\t\t}\n\n\t\ta *= a; a %= m;\n\n\t\tp /= 2;\n\n\t}\n\n\treturn ret;\n\n}\n\n\n\nll ramen(int a){\n\n\treturn rwpw(2ll,rwpw(2ll,a,MOD-1));\n\n}\n\n\n\nll c(int n, int k){\n\n\tif(done[n][k]){\n\n\t\treturn memo[n][k];\n\n\t}\n\n\tdone[n][k] = true;\n\n\tif(k==n || k==0){\n\n\t\treturn memo[n][k] = 1ll;\n\n\t}\n\n\tmemo[n][k] = c(n-1,k-1);\n\n\tadd_mod(memo[n][k],c(n-1,k));\n\n\treturn memo[n][k];\n\n}\n\n\n\nint main(void){\n\n\tint n,i,j;\n\n\tll tmp,ans=0ll;\n\n\tstd::cin >> n >> MOD;\n\n\tdp[0][0] = 1ll;\n\n\tfor(i=0; i<n; ++i){\n\n\t\tfor(j=0; j<=n; ++j){\n\n\t\t\tadd_mod(dp[i+1][j],dp[i][j]);\n\n\t\t\tadd_mod(dp[i+1][j+1],dp[i][j]);\n\n\t\t\tadd_mod(dp[i+1][j],dp[i][j]*j%MOD);\n\n\t\t}\n\n\t}\n\n\tfor(i=0; i<=n; ++i){\n\n\t\tfor(j=0; j<=n; ++j){\n\n\t\t\tmul_mod(dp[i][j],rwpw(rwpw(2ll,n-i),j));\n\n\t\t}\n\n\t\tfor(j=0; j<n; ++j){\n\n\t\t\tadd_mod(dp[i][j+1],dp[i][j]);\n\n\t\t}\n\n\t}\n\n\tfor(i=0; i<=n; ++i){\n\n\t\ttmp = dp[i][n];\n\n\t\tmul_mod(tmp,ramen(n-i));\n\n\t\tmul_mod(tmp,c(n,i));\n\n\t\t// std::cout << tmp << std::endl;\n\n\t\tadd_mod(ans,((i%2)?(MOD-tmp):tmp));\n\n\t}\n\n\tstd::cout << ans << std::endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000086"}399{"label": "pie_cpp_validation_000087", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 307, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 307, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000087.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000087", "task_path": "tasks/validation/pie_cpp_validation_000087.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntemplate <int& MOD_> struct modnum {\n\n\tstatic constexpr int& MOD = MOD_;\n\n\t//static_assert(MOD_ > 0, \"MOD must be positive\");\n\n\n\nprivate:\n\n\tusing ll = long long;\n\n\n\n\tint v;\n\n\n\n\tstatic int minv(int a, int m) {\n\n\t\ta %= m;\n\n\t\tassert(a);\n\n\t\treturn a == 1 ? 1 : int(m - ll(minv(m, a)) * ll(m) / a);\n\n\t}\n\n\n\npublic:\n\n\n\n\tmodnum() : v(0) {}\n\n\tmodnum(ll v_) : v(int(v_ % MOD)) { if (v < 0) v += MOD; }\n\n\texplicit operator int() const { return v; }\n\n\tfriend std::ostream& operator << (std::ostream& out, const modnum& n) { return out << int(n); }\n\n\tfriend std::istream& operator >> (std::istream& in, modnum& n) { ll v_; in >> v_; n = modnum(v_); return in; }\n\n\n\n\tfriend bool operator == (const modnum& a, const modnum& b) { return a.v == b.v; }\n\n\tfriend bool operator != (const modnum& a, const modnum& b) { return a.v != b.v; }\n\n\n\n\tmodnum inv() const {\n\n\t\tmodnum res;\n\n\t\tres.v = minv(v, MOD);\n\n\t\treturn res;\n\n\t}\n\n\tfriend modnum inv(const modnum& m) { return m.inv(); }\n\n\tmodnum neg() const {\n\n\t\tmodnum res;\n\n\t\tres.v = v ? MOD-v : 0;\n\n\t\treturn res;\n\n\t}\n\n\tfriend modnum neg(const modnum& m) { return m.neg(); }\n\n\n\n\tmodnum operator- () const {\n\n\t\treturn neg();\n\n\t}\n\n\tmodnum operator+ () const {\n\n\t\treturn modnum(*this);\n\n\t}\n\n\n\n\tmodnum& operator ++ () {\n\n\t\tv ++;\n\n\t\tif (v == MOD) v = 0;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator -- () {\n\n\t\tif (v == 0) v = MOD;\n\n\t\tv --;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator += (const modnum& o) {\n\n\t\tv += o.v;\n\n\t\tif (v >= MOD) v -= MOD;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator -= (const modnum& o) {\n\n\t\tv -= o.v;\n\n\t\tif (v < 0) v += MOD;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator *= (const modnum& o) {\n\n\t\tv = int(ll(v) * ll(o.v) % MOD);\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator /= (const modnum& o) {\n\n\t\treturn *this *= o.inv();\n\n\t}\n\n\n\n\tfriend modnum operator ++ (modnum& a, int) { modnum r = a; ++a; return r; }\n\n\tfriend modnum operator -- (modnum& a, int) { modnum r = a; --a; return r; }\n\n\tfriend modnum operator + (const modnum& a, const modnum& b) { return modnum(a) += b; }\n\n\tfriend modnum operator - (const modnum& a, const modnum& b) { return modnum(a) -= b; }\n\n\tfriend modnum operator * (const modnum& a, const modnum& b) { return modnum(a) *= b; }\n\n\tfriend modnum operator / (const modnum& a, const modnum& b) { return modnum(a) /= b; }\n\n};\n\n\n\ntemplate <typename T> T pow(T a, long long b) {\n\n\tassert(b >= 0);\n\n\tT r = 1; while (b) { if (b & 1) r *= a; b >>= 1; a *= a; } return r;\n\n}\n\n\n\nint MOD;\n\nusing num = modnum<MOD>;\n\n\n\nconst int MAXN = 4000;\n\nint N;\n\n\n\nnum p2[MAXN];\n\nnum pp2[MAXN];\n\n\n\nnum stirling[MAXN][MAXN];\n\nnum choose[MAXN][MAXN];\n\nnum ip2[MAXN];\n\n\n\nnum badWays[MAXN];\n\n\n\nint main() {\n\n\tios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);\n\n\tcin >> N >> MOD;\n\n\tstirling[0][0] = 1;\n\n\tchoose[0][0] = 1;\n\n\tfor (int i = 1; i <= N; i++) {\n\n\t\tchoose[i][0] = 1;\n\n\t\tfor (int j = 1; j <= i; j++) {\n\n\t\t\tchoose[i][j] = choose[i-1][j-1] + choose[i-1][j];\n\n\t\t\tstirling[i][j] = num(j) * stirling[i-1][j] + stirling[i-1][j-1];\n\n\t\t}\n\n\t}\n\n\n\n\tp2[0] = 1;\n\n\tpp2[0] = 2;\n\n\tip2[0] = 1;\n\n\tip2[1] = inv(num(2));\n\n\tfor (int i = 1; i <= N; i++) {\n\n\t\tp2[i] = p2[i-1] * 2;\n\n\t\tpp2[i] = pp2[i-1] * pp2[i-1];\n\n\t\tip2[i] = ip2[1] * ip2[i-1];\n\n\t}\n\n\n\n\tnum ans = 0;\n\n\tfor (int b = 0; b <= N; b++) {\n\n\t\tnum a = 1;\n\n\t\tfor (int k = 0; k <= b; k++, a *= p2[N-b]) {\n\n\t\t\tnum v = pp2[N-b] * a * (stirling[b][k] + stirling[b][k+1]*num(k+1));\n\n\t\t\tif (b % 2) {\n\n\t\t\t\tans -= v * choose[N][b];\n\n\t\t\t} else {\n\n\t\t\t\tans += v * choose[N][b];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout << ans << '\\n';\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000087"}400{"label": "pie_cpp_validation_000088", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 218, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 218, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000088.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000088", "task_path": "tasks/validation/pie_cpp_validation_000088.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntemplate <int& MOD_> struct modnum {\n\n\tstatic constexpr int& MOD = MOD_;\n\n\t//static_assert(MOD_ > 0, \"MOD must be positive\");\n\n\n\nprivate:\n\n\tusing ll = long long;\n\n\n\n\tint v;\n\n\n\n\tstatic int minv(int a, int m) {\n\n\t\ta %= m;\n\n\t\tassert(a);\n\n\t\treturn a == 1 ? 1 : int(m - ll(minv(m, a)) * ll(m) / a);\n\n\t}\n\n\n\npublic:\n\n\n\n\tmodnum() : v(0) {}\n\n\tmodnum(ll v_) : v(int(v_ % MOD)) { if (v < 0) v += MOD; }\n\n\texplicit operator int() const { return v; }\n\n\tfriend std::ostream& operator << (std::ostream& out, const modnum& n) { return out << int(n); }\n\n\tfriend std::istream& operator >> (std::istream& in, modnum& n) { ll v_; in >> v_; n = modnum(v_); return in; }\n\n\n\n\tfriend bool operator == (const modnum& a, const modnum& b) { return a.v == b.v; }\n\n\tfriend bool operator != (const modnum& a, const modnum& b) { return a.v != b.v; }\n\n\n\n\tmodnum inv() const {\n\n\t\tmodnum res;\n\n\t\tres.v = minv(v, MOD);\n\n\t\treturn res;\n\n\t}\n\n\tfriend modnum inv(const modnum& m) { return m.inv(); }\n\n\tmodnum neg() const {\n\n\t\tmodnum res;\n\n\t\tres.v = v ? MOD-v : 0;\n\n\t\treturn res;\n\n\t}\n\n\tfriend modnum neg(const modnum& m) { return m.neg(); }\n\n\n\n\tmodnum operator- () const {\n\n\t\treturn neg();\n\n\t}\n\n\tmodnum operator+ () const {\n\n\t\treturn modnum(*this);\n\n\t}\n\n\n\n\tmodnum& operator ++ () {\n\n\t\tv ++;\n\n\t\tif (v == MOD) v = 0;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator -- () {\n\n\t\tif (v == 0) v = MOD;\n\n\t\tv --;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator += (const modnum& o) {\n\n\t\tv += o.v;\n\n\t\tif (v >= MOD) v -= MOD;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator -= (const modnum& o) {\n\n\t\tv -= o.v;\n\n\t\tif (v < 0) v += MOD;\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator *= (const modnum& o) {\n\n\t\tv = int(ll(v) * ll(o.v) % MOD);\n\n\t\treturn *this;\n\n\t}\n\n\tmodnum& operator /= (const modnum& o) {\n\n\t\treturn *this *= o.inv();\n\n\t}\n\n\n\n\tfriend modnum operator ++ (modnum& a, int) { modnum r = a; ++a; return r; }\n\n\tfriend modnum operator -- (modnum& a, int) { modnum r = a; --a; return r; }\n\n\tfriend modnum operator + (const modnum& a, const modnum& b) { return modnum(a) += b; }\n\n\tfriend modnum operator - (const modnum& a, const modnum& b) { return modnum(a) -= b; }\n\n\tfriend modnum operator * (const modnum& a, const modnum& b) { return modnum(a) *= b; }\n\n\tfriend modnum operator / (const modnum& a, const modnum& b) { return modnum(a) /= b; }\n\n};\n\n\n\ntemplate <typename T> T pow(T a, long long b) {\n\n\tassert(b >= 0);\n\n\tT r = 1; while (b) { if (b & 1) r *= a; b >>= 1; a *= a; } return r;\n\n}\n\n\n\nint MOD;\n\nusing num = modnum<MOD>;\n\n\n\nconst int MAXN = 4000;\n\nint N;\n\n\n\nnum p2[MAXN];\n\nnum pp2[MAXN];\n\n\n\nnum stirling[MAXN][MAXN];\n\nnum choose[MAXN][MAXN];\n\nnum ip2[MAXN];\n\n\n\nnum badWays[MAXN];\n\n\n\nint main() {\n\n\tios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);\n\n\tcin >> N >> MOD;\n\n\tstirling[0][0] = 1;\n\n\tchoose[0][0] = 1;\n\n\tfor (int i = 1; i <= N+1; i++) {\n\n\t\tchoose[i][0] = 1;\n\n\t\tfor (int j = 1; j <= i; j++) {\n\n\t\t\tchoose[i][j] = choose[i-1][j-1] + choose[i-1][j];\n\n\t\t\tstirling[i][j] = num(j) * stirling[i-1][j] + stirling[i-1][j-1];\n\n\t\t}\n\n\t}\n\n\n\n\tp2[0] = 1;\n\n\tpp2[0] = 2;\n\n\tip2[0] = 1;\n\n\tip2[1] = inv(num(2));\n\n\tfor (int i = 1; i <= N; i++) {\n\n\t\tp2[i] = p2[i-1] * 2;\n\n\t\tpp2[i] = pp2[i-1] * pp2[i-1];\n\n\t\tip2[i] = ip2[1] * ip2[i-1];\n\n\t}\n\n\n\n\tnum ans = 0;\n\n\tfor (int b = 0; b <= N; b++) {\n\n\t\tnum a = 1;\n\n\t\tnum v = 0;\n\n\t\tfor (int k = 0; k <= b; k++, a *= p2[N-b]) {\n\n\t\t\tv += pp2[N-b] * a * stirling[b+1][k+1];\n\n\t\t}\n\n\t\tv *= choose[N][b];\n\n\t\tif (b & 1) {\n\n\t\t\tans -= v;\n\n\t\t} else {\n\n\t\t\tans += v;\n\n\t\t}\n\n\t}\n\n\tcout << ans << '\\n';\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000088"}401{"label": "pie_cpp_validation_000089", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 379, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 379, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000089.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000089", "task_path": "tasks/validation/pie_cpp_validation_000089.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define show(x) cerr << #x << \" = \" << x << endl\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nll power(const ll a, const ll n, const ll mod)\n\n{\n\n if (n == 0) {\n\n return 1;\n\n } else if (n % 2 == 1) {\n\n return power(a, n - 1, mod) * a % mod;\n\n } else {\n\n const ll aa = power(a, n / 2, mod);\n\n return aa * aa % mod;\n\n }\n\n}\n\n\n\nclass ModCombination\n\n{\n\npublic:\n\n ModCombination(const int n, const ll mod) : size{n + 1}, mod{mod}, fact(n + 1, 1), inv(n + 1, 1), inv_fact(n + 1, 1) // mod should be prime\n\n {\n\n for (ll i = 2; i <= n; i++) {\n\n fact[i] = (fact[i - 1] * i) % mod;\n\n inv[i] = ((mod - (mod / i)) * inv[mod % i]) % mod;\n\n inv_fact[i] = (inv_fact[i - 1] * inv[i]) % mod;\n\n }\n\n }\n\n ll combination(const int n, const int k) const\n\n {\n\n assert(n < size);\n\n assert(k <= n);\n\n return (((fact[n] * inv_fact[k]) % mod) * inv_fact[n - k]) % mod;\n\n }\n\n\n\nprivate:\n\n const int size;\n\n const ll mod;\n\n vector<ll> fact;\n\n vector<ll> inv;\n\n vector<ll> inv_fact;\n\n};\n\nint main()\n\n{\n\n int N;\n\n cin >> N;\n\n ll M;\n\n cin >> M;\n\n\n\n vector<ll> pp(N + 1);\n\n for (int i = 0; i <= N; i++) { pp[i] = power(2, power(2, i, M - 1), M); }\n\n ModCombination mod(N + 1, M);\n\n vector<vector<ll>> b(N + 1, vector<ll>(N + 1, 0));\n\n b[0][0] = 1;\n\n for (int i = 1; i <= N; i++) {\n\n for (int j = 1; j <= i; j++) { b[i][j] = (b[i - 1][j - 1] + j * b[i - 1][j] % M) % M; }\n\n }\n\n vector<ll> weight(N + 1, 0);\n\n for (int k = 1; k <= N; k++) {\n\n const ll p = power(2, N - k, M);\n\n const ll PP = pp[N - k] * mod.combination(N, k) % M;\n\n for (ll x = 0, q = 1; x <= k; x++, (q *= p) %= M) { (weight[k] += b[k][x] * q % M) %= M; }\n\n for (ll x = 1, q = 1; x <= k; x++, (q *= p) %= M) { (weight[k] += (b[k][x] * q % M) * x % M) %= M; }\n\n (weight[k] *= PP) %= M;\n\n }\n\n ll minus = 0;\n\n for (int i = 1; i <= N; i++) { (minus += (i % 2 == 0 ? weight[i] : M - weight[i])) %= M; }\n\n cout << (pp[N] + minus) % M << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000089"}402{"label": "pie_cpp_validation_000090", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 284, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 284, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000090.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000090", "task_path": "tasks/validation/pie_cpp_validation_000090.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define show(x) cerr << #x << \" = \" << x << endl\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nll power(const ll a, const ll n, const ll mod)\n\n{\n\n if (n == 0) {\n\n return 1;\n\n } else if (n % 2 == 1) {\n\n return power(a, n - 1, mod) * a % mod;\n\n } else {\n\n const ll aa = power(a, n / 2, mod);\n\n return aa * aa % mod;\n\n }\n\n}\n\n\n\nclass ModCombination\n\n{\n\npublic:\n\n ModCombination(const int n, const ll mod) : size{n + 1}, mod{mod}, fact(n + 1, 1), inv(n + 1, 1), inv_fact(n + 1, 1) // mod should be prime\n\n {\n\n for (ll i = 2; i <= n; i++) {\n\n fact[i] = (fact[i - 1] * i) % mod;\n\n inv[i] = ((mod - (mod / i)) * inv[mod % i]) % mod;\n\n inv_fact[i] = (inv_fact[i - 1] * inv[i]) % mod;\n\n }\n\n }\n\n ll combination(const int n, const int k) const\n\n {\n\n assert(n < size);\n\n assert(k <= n);\n\n return (((fact[n] * inv_fact[k]) % mod) * inv_fact[n - k]) % mod;\n\n }\n\n\n\nprivate:\n\n const int size;\n\n const ll mod;\n\n vector<ll> fact;\n\n vector<ll> inv;\n\n vector<ll> inv_fact;\n\n};\n\nint main()\n\n{\n\n int N;\n\n cin >> N;\n\n ll M;\n\n cin >> M;\n\n\n\n vector<ll> pp(N + 1);\n\n for (int i = 0; i <= N; i++) { pp[i] = power(2, power(2, i, M - 1), M); }\n\n ModCombination mod(N + 1, M);\n\n vector<vector<ll>> b(N + 1, vector<ll>(N + 1, 0));\n\n b[0][0] = 1;\n\n for (int i = 1; i <= N; i++) {\n\n for (int j = 1; j <= i; j++) { b[i][j] = (b[i - 1][j - 1] + j * b[i - 1][j] % M) % M; }\n\n }\n\n vector<ll> weight(N + 1, 0);\n\n for (int k = 1; k <= N; k++) {\n\n const ll p = power(2, N - k, M);\n\n const ll pinv = power(2, M - 1 - N + k, M);\n\n const ll PP = pp[N - k] * mod.combination(N, k) % M;\n\n for (ll x = 0, q = 1; x <= k; x++, (q *= p) %= M) { (weight[k] += (b[k][x] * q % M) * (1 + x * pinv % M) % M) %= M; }\n\n (weight[k] *= PP) %= M;\n\n }\n\n ll minus = 0;\n\n for (int i = 1; i <= N; i++) { (minus += (i % 2 == 0 ? weight[i] : M - weight[i])) %= M; }\n\n cout << (pp[N] + minus) % M << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000090"}403{"label": "pie_cpp_validation_000091", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 155, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 155, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000091.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000091", "task_path": "tasks/validation/pie_cpp_validation_000091.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<cstring>\n\n#include<cstdio>\n\n\n\nusing namespace std;\n\n\n\n#define Whats(x) cout<<#x<<\" is \"<<x<<endl\n\n\n\nconst int N=5000;\n\n\n\nint MOD;\n\n\n\nint Mul(int a,int b)\n\n{\n\n\tunsigned long long x=(long long)a*b;\n\n\tunsigned xh=(unsigned)(x>>32),xl=(unsigned)x,d,m;\n\n\tasm\n\n\t\t(\n\n\t\t \"divl %4;\\n\\t\"\n\n\t\t :\"=a\"(d),\"=d\"(m)\n\n\t\t :\"d\"(xh),\"a\"(xl),\"r\"(MOD)\n\n\t\t);\n\n\treturn m;\n\n}\n\n\n\nint U(int x,int y)\n\n{\n\n\treturn ((x+=y)>=MOD)?(x-MOD):x;\n\n}\n\n\n\nvoid SU(int& x,int y)\n\n{\n\n\t((x+=y)>=MOD)?(x-=MOD):0;\n\n}\n\n\n\nint Qpow(int x,int y=MOD-2)\n\n{\n\n\tint res=1;\n\n\tfor(;y;y>>=1,x=Mul(x,x))if(y&1)\n\n\t\tres=Mul(res,x);\n\n\treturn res;\n\n}\n\n\n\nint n,C[N][N],S[N][N],ppw[N],pw[N];\n\n\n\nvoid Prework()\n\n{\n\n\tfor(int i=0;i<=n;++i)\n\n\t{\n\n\t\tC[i][0]=1;\n\n\t\tfor(int j=1;j<=i;++j)\n\n\t\t\tC[i][j]=U(C[i-1][j-1],C[i-1][j]);\n\n\t}\n\n\tS[0][0]=1;\n\n\tfor(int i=1;i<=n+1;++i)\n\n\t\tfor(int j=1;j<=i;++j)\n\n\t\t\tS[i][j]=U(S[i-1][j-1],Mul(j,S[i-1][j]));\n\n\tpw[0]=1;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tpw[i]=U(pw[i-1],pw[i-1]);\n\n\tppw[0]=2;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tppw[i]=Mul(ppw[i-1],ppw[i-1]);\n\n}\n\n\n\nint main()\n\n{\n\n\tscanf(\"%d%d\",&n,&MOD);\n\n\tPrework();\n\n\tint ans=0;\n\n\tfor(int i=0,sum;i<=n;++i)\n\n\t{\n\n\t\tsum=0;\n\n\t\tfor(int k=0;k<=i;++k)\n\n\t\t\tSU(sum,Mul(Qpow(pw[n-i],k),S[i+1][k+1]));\n\n\t\tif(i&1)\n\n\t\t\tSU(ans,MOD-Mul(C[n][i],Mul(ppw[n-i],sum)));\n\n\t\telse\n\n\t\t\tSU(ans,Mul(C[n][i],Mul(ppw[n-i],sum)));\n\n\t}\n\n\tprintf(\"%d\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000091"}404{"label": "pie_cpp_validation_000092", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 166, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 166, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000092.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000092", "task_path": "tasks/validation/pie_cpp_validation_000092.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nconst int N = 3010;\n\n\n\nint n, P, pow2[N * N], S2[N][N], fac[N], inv[N], ans;\n\n\n\ninline int fpow(int x, int y, int P = ::P) {\n\n int ret = 1;\n\n for ( ; y; y >>= 1, x = 1ll * x * x % P)\n\n if (y & 1) ret = 1ll * ret * x % P;\n\n return ret;\n\n}\n\n\n\nint main() {\n\n std::cin >> n >> P;\n\n pow2[0] = 1;\n\n for (int i = 1; i <= n * n; ++i)\n\n pow2[i] = 1ll * pow2[i - 1] * 2 % P;\n\n S2[0][0] = 1;\n\n for (int i = 1; i <= n + 1; ++i)\n\n for (int j = 1; j <= i; ++j)\n\n S2[i][j] = (S2[i - 1][j - 1] + 1ll * S2[i - 1][j] * j) % P;\n\n fac[0] = 1;\n\n for (int i = 1; i <= n; ++i)\n\n fac[i] = 1ll * fac[i - 1] * i % P;\n\n inv[n] = fpow(fac[n], P - 2);\n\n for (int i = n; i; --i)\n\n inv[i - 1] = 1ll * inv[i] * i % P;\n\n ans = fpow(2, fpow(2, n, P - 1));\n\n for (int i = 1; i <= n; ++i) {\n\n int f = 0;\n\n for (int j = 0; j <= i; ++j)\n\n f = (f + 1ll * S2[i + 1][j + 1] * pow2[(n - i) * j]) % P;\n\n f = 1ll * f * fpow(2, fpow(2, n - i, P - 1)) % P;\n\n f = 1ll * f * fac[n] % P * inv[i] % P * inv[n - i] % P;\n\n if (i & 1)\n\n ans = (ans - f + P) % P;\n\n else\n\n ans = (ans + f) % P;\n\n }\n\n std::cout << ans << std::endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000092"}405{"label": "pie_cpp_validation_000093", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 224, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 224, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000093.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000093", "task_path": "tasks/validation/pie_cpp_validation_000093.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#define ll long long\n\nusing namespace std;\n\n\n\nconst int maxn=3e3+15; \n\nll n,mod;\n\nll g[maxn][maxn],c[maxn][maxn];\n\nll mul(ll a,ll b,ll p)\n\n{\n\n ll r=0;\n\n for (;b;b>>=1,a=(a+a)%p) if (b&1) r=(r+a)%p;\n\n return r;\n\n}\n\nll qpow(ll a,ll b,ll p)\n\n{\n\n ll r=1;\n\n for (;b;b>>=1,a=mul(a,a,p)) if (b&1) r=mul(r,a,p);\n\n return r;\n\n}\n\nint main()\n\n{\n\n scanf(\"%lld%lld\",&n,&mod); \n\n for (int i=1;i<=n;i++)\n\n {\n\n c[i][0]=c[i][i]=1;\n\n for (int j=1;j<i;j++)\n\n c[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;\n\n }\n\n for (int i=0;i<=n;i++)\n\n {\n\n g[i][0]=1;\n\n for (int j=1;j<=i;j++)\n\n g[i][j]=(g[i-1][j-1]+g[i-1][j]*(j+1)%mod)%mod; \n\n }\n\n ll ans=0;\n\n for (int i=0;i<=n;i++)\n\n {\n\n ll k=c[n][i];\n\n if (i&1) k=(mod-k)%mod;\n\n ll x=qpow(2,n-i,mod-1);//\u6b27\u62c9\u5b9a\u7406\uff0c\u6ce8\u610f\u6a21\u6570\n\n x=qpow(2,x,mod);\n\n ll kind=qpow(2,n-i,mod);\n\n ll cnt=0,y=1;\n\n for (int j=0;j<=i;j++)\n\n {\n\n cnt=(cnt+(g[i][j]*y%mod))%mod;\n\n y=kind*y%mod;\n\n } \n\n ans=(ans+(k*cnt%mod*x%mod))%mod;\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000093"}406{"label": "pie_cpp_validation_000094", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 172, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 172, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000094.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000094", "task_path": "tasks/validation/pie_cpp_validation_000094.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconst int N = 3010;\n\n\n\ntypedef long long LL;\n\n\n\nint mod;\n\n\n\ninline int Pow(int x, int y, int mod = mod) {\n\n\tint res = 1;\n\n\tfor (; y; y >>= 1, x = (LL)x * x % mod) if (y & 1) res = (LL)res * x % mod;\n\n\treturn res; \n\n}\n\n\n\nint S[N][N], C[N][N];\n\n\n\ninline void init(int n) {\n\n\tS[0][0] = 1;\n\n\tfor (int i = 0; i <= n; i++) {\n\n\t\tC[i][0] = 1;\n\n\t\tfor (int j = 1; j <= i; j++) \n\n\t\t\tC[i][j] = (C[i - 1][j] + C[i - 1][j - 1]) % mod;\n\n\t}\n\n\tfor (int i = 1; i <= n; i++) {\n\n\t\tS[i][1] = 1;\n\n\t\tfor (int j = 1; j <= i; j++)\n\n\t\t\tS[i][j] = (S[i - 1][j - 1] + (LL)S[i - 1][j] * j) % mod;\n\n\t}\n\n}\n\n\n\nint main() {\n\n\tint n, res = 0; cin >> n >> mod, init(n + 1);\n\n\tfor (int i = 0; i <= n; i++) {\n\n\t\tint other = Pow(2, Pow(2, n - i, mod - 1)), tmp = (LL)C[n][i] * other % mod, base = Pow(2, n - i);\n\n\t\tfor (int j = 1, t = base; j <= i; j++) {\n\n\t\t\ttmp = (tmp + (LL)C[n][i] * t % mod * other % mod * S[i + 1][j + 1]) % mod;\n\n\t\t\tt = (LL)t * base % mod;\n\n\t\t}\n\n\t\tif (i & 1) res = (res - tmp + mod) % mod;\n\n\t\telse res = (res + tmp) % mod;\n\n\t}\n\n\tcout << res << endl;\n\n}//\n```", "split": "validation", "task_id": "pie_cpp_validation_000094"}407{"label": "pie_cpp_validation_000095", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 155, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 155, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000095.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000095", "task_path": "tasks/validation/pie_cpp_validation_000095.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\n#define N 3005\n\n#define ll long long\n\nvoid Read(int &p)\n\n{\n\n\tp = 0;\n\n\tchar c = getchar();\n\n\tfor (; c < '0' || c > '9'; c = getchar());\n\n\tfor (; c >= '0' && c <= '9'; c = getchar())p = p * 10 + c - '0';\n\n}\n\nint n, mod, fac[N], inv[N], S[N][N];\n\nint Pow(int a, int k, int m)\n\n{\n\n\tif (!k)\n\n\t\treturn 1;\n\n\tint p = Pow(a, k / 2, m);\n\n\tif (k & 1)\n\n\t\treturn (ll)p * p % m * a % m;\n\n\treturn (ll)p * p % m;\n\n}\n\nint C(int n, int m)\n\n{\n\n\tif (n < m)return 0;\n\n\tif (m < 0)return 0;\n\n\treturn (ll)fac[n] * inv[m] % mod * inv[n - m] % mod;\n\n}\n\nint main()\n\n{\n\n\tRead(n), Read(mod);\n\n\tfac[0] = 1;\n\n\tfor (int i = 1; i <= n; i++)\n\n\t\tfac[i] = (ll)fac[i - 1] * i % mod;\n\n\tinv[n] = Pow(fac[n], mod - 2, mod);\n\n\tfor (int i = n; i >= 1; i--)\n\n\t\tinv[i - 1] = (ll)inv[i] * i % mod;\n\n\tS[0][0] = 1;\n\n\tfor (int i = 1; i <= n + 1; i++)\n\n\t\tfor (int j = 1; j <= i; j++)\n\n\t\t\tS[i][j] = (S[i - 1][j - 1] + (ll)j * S[i - 1][j]) % mod;\n\n\tint ans = 0;\n\n\tfor (int i = 0; i <= n; i++)\n\n\t{\n\n\t\tint sum = 0;\n\n\t\tfor (int x = 0; x <= i; x++)\n\n\t\t\tsum = (sum + (ll)Pow(Pow(2, n - i, mod), x, mod) * S[i + 1][x + 1] % mod) % mod;\n\n\t\tsum = (ll)sum * Pow(2, Pow(2, n - i, mod - 1), mod) % mod * C(n, i) % mod;\n\n\t\tif (i & 1)\n\n\t\t\tans = (ans + mod - sum) % mod;\n\n\t\telse\n\n\t\t\tans = (ans + sum) % mod;\n\n\t}\n\n\tprintf(\"%d\\n\", ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000095"}408{"label": "pie_cpp_validation_000096", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 165, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 165, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000096.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000096", "task_path": "tasks/validation/pie_cpp_validation_000096.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint n,mod,ans;\n\ninline int qpow(int d,int z,int t=0,int a=1){\n\n\tfor(;z;z>>=1,d=1ll*d*d%(mod-t))\n\n\t\tif(z&1) a=1ll*a*d%(mod-t); return a;\n\n}\n\nint fac[3009],inv[3009];\n\ninline int c(int n,int m){return 1ll*fac[n]*inv[m]%mod*inv[n-m]%mod;}\n\n\n\nint g[3009][3009];\n\ninline int f(int i){\n\n\tint ret=0;\n\n\tfor(int j=0;j<=i;++j)\n\n\t\tret=(ret+1ll*g[i][j]*qpow(2,(n-i)*j)%mod*qpow(2,qpow(2,n-i,1)))%mod;\n\n\treturn ret;\n\n}\n\nint main(){\n\n\tscanf(\"%d%d\",&n,&mod);\n\n\tfor(int i=fac[0]=1;i<=n;++i) fac[i]=1ll*fac[i-1]*i%mod;\n\n\tinv[n]=qpow(fac[n],mod-2);\n\n\tfor(int i=n;i;--i) inv[i-1]=1ll*inv[i]*i%mod;\n\n\tg[0][0]=1;\n\n\tfor(int i=1;i<=n;++i)\n\n\t\tfor(int j=0;j<=i;++j)\n\n\t\t\tg[i][j]=(g[i-1][j-1]+g[i-1][j]*(j+1ll))%mod;\n\n\tfor(int i=0;i<=n;++i) ans=(ans+(i&1?mod-1ll:1ll)*c(n,i)%mod*f(i))%mod;\n\n\tprintf(\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000096"}409{"label": "pie_cpp_validation_000097", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 312, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 312, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000097.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000097", "task_path": "tasks/validation/pie_cpp_validation_000097.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define int long long\n\nusing namespace std;\n\nconst int N=3010;\n\nint n,mod,s[N][N],c[N][N],ans=0;\n\nint poww(int x,int y,int mo){\n\n\tint ans=1;\n\n\twhile(y){\n\n\t\tif(y&1){\n\n\t\t\tans=ans*x%mo;\n\n\t\t}\n\n\t\tx=x*x%mo;\n\n\t\ty>>=1;\n\n\t}\n\n\treturn ans;\n\n}\n\nsigned main(){\n\n\tscanf(\"%lld%lld\",&n,&mod);\n\n\ts[0][0]=1;\n\n\tfor(int i=0;i<=n+1;i++){\n\n\t\tc[i][0]=1;\n\n\t\tfor(int j=1;j<=i;j++){\n\n\t\t\ts[i][j]=(s[i-1][j-1]+j*s[i-1][j])%mod;\n\n\t\t\tc[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<=n;i++){\n\n\t\tint sum=0;\n\n\t\tfor(int j=0;j<=i;j++){\n\n\t\t\t(sum+=s[i+1][j+1]*poww(2,j*(n-i),mod)%mod)%=mod;\n\n\t\t}\n\n\t\tsum=sum*poww(2,poww(2,n-i,mod-1),mod)%mod*c[n][i]%mod;\n\n\t\t(ans+=(i&1)?mod-sum:sum)%=mod;\n\n\t}\n\n\tprintf(\"%lld\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000097"}410{"label": "pie_cpp_validation_000098", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 184, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 184, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000098.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000098", "task_path": "tasks/validation/pie_cpp_validation_000098.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n/*---Author:HenryHuang---*/\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int maxn=3e3+5;\n\ntypedef long long ll;\n\nint n,p;\n\nll ksm(ll a,ll b,ll p){\n\n\tll ans=1;\n\n\twhile(b){\n\n\t\tif(b&1) ans=ans*a%p;\n\n\t\tb>>=1,a=a*a%p;\n\n\t}\n\n\treturn ans;\n\n}\n\nll C[maxn][maxn],S[maxn][maxn];\n\nvoid init(){\n\n\tC[0][0]=S[0][0]=1;\n\n\tfor(int i=1;i<=n+1;++i){\n\n\t\tC[i][0]=1;\n\n\t\tfor(int j=1;j<=i;++j){\n\n\t\t\tS[i][j]=(S[i-1][j-1]+j*S[i-1][j])%p;\n\n\t\t\tC[i][j]=(C[i-1][j-1]+C[i-1][j])%p;\n\n\t\t}\n\n\t}\n\n}\n\nll a[32769],b[32769];\n\nll c[32769],d[32769];\n\nll p1(ll x){\n\n\treturn a[x&0x00007fff]*b[x>>15]%p;\n\n}\n\nll p2(ll x){\n\n\treturn c[x&0x00007fff]*d[x>>15]%(p-1);\n\n}\n\nint main(){\n\n\tios::sync_with_stdio(0);\n\n\tcin.tie(0),cout.tie(0);\n\n\tcin>>n>>p;init();\n\n\ta[0]=1;\n\n\tfor(int i=1;i<=32768;++i){\n\n\t\ta[i]=a[i-1]*2%p;\n\n\t}\n\n\tb[0]=1,b[1]=a[32768];\n\n\tfor(int i=2;i<=32768;++i){\n\n\t\tb[i]=b[i-1]*b[1]%p;\n\n\t}\n\n\tc[0]=1;\n\n\tfor(int i=1;i<=32768;++i){\n\n\t\tc[i]=c[i-1]*2%(p-1);\n\n\t}\n\n\td[0]=1,d[1]=c[32768];\n\n\tfor(int i=2;i<=32768;++i){\n\n\t\td[i]=d[i-1]*d[1]%(p-1);\n\n\t}\n\n\tll ans=0;\n\n\tfor(int i=0;i<=n;++i){\n\n\t\tll tmp=p1(p2(n-i))*C[n][i]%p,owo=0;\n\n\t\tif(i&1) tmp=p-tmp;\n\n\t\tfor(int j=0;j<=i;++j){\n\n\t\t\towo=(owo+S[i+1][j+1]*p1(1ll*(n-i)*j%(p-1)))%p;\n\n\t\t}\n\n\t\t(ans+=tmp*owo)%=p;\n\n\t}\n\n\tcout<<ans<<'\\n';\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000098"}411{"label": "pie_cpp_validation_000099", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 270, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 270, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000099.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000099", "task_path": "tasks/validation/pie_cpp_validation_000099.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define re register\n\n#define inc(i,j,k) for(re int i=j;i<=k;i++)\n\n#define ll long long\n\nusing namespace std;\n\nconst int N=3005;\n\ninline int read(){\n\n\tint x=0;\n\n\tchar ch=getchar();\n\n\twhile(ch<'0'||ch>'9') ch=getchar();\n\n\twhile('0'<=ch&&ch<='9') x=x*10+ch-'0',ch=getchar();\n\n\treturn x;\n\n}\n\nint n,m;\n\nll s[N][N],c[N][N],ans;\n\nll qp(ll x,ll k,ll mod){\n\n\tll res=1;\n\n\twhile(k){\n\n\t\tif(k&1) res=res*x%mod;\n\n\t\tk>>=1,x=x*x%mod;\n\n\t}\n\n\treturn res;\n\n}\n\nint main(){\n\n\tn=read(),m=read();\n\n\ts[0][0]=1;\n\n\tinc(i,0,n+1){\n\n\t\tc[i][0]=1;\n\n\t\tinc(j,1,i) s[i][j]=(s[i-1][j-1]+j*s[i-1][j])%m,c[i][j]=(c[i-1][j]+c[i-1][j-1])%m;\n\n\t}\n\n\tinc(i,0,n){\n\n\t\tll tmp=0;\n\n\t\tinc(j,0,i) (tmp+=s[i+1][j+1]*qp(2,j*(n-i),m)%m)%=m;\n\n\t\ttmp=tmp*qp(2,qp(2,n-i,m-1),m)%m*c[n][i]%m;\n\n\t\t(ans+=(i&1)?m-tmp:tmp)%=m;\n\n\t}\n\n\tprintf(\"%lld\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000099"}412{"label": "pie_cpp_validation_000100", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 383, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 383, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000100.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000100", "task_path": "tasks/validation/pie_cpp_validation_000100.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define inc(i,a,b) for(register int i=a;i<=b;i++)\n\nusing namespace std;\n\nlong long KSM(long long a,long long b,long long p){\n\n\tlong long res=1;\n\n\twhile(b){\n\n\t\tif(b&1) res=res*a%p;\n\n\t\ta=a*a%p;\n\n\t\tb/=2;\n\n\t}\n\n\treturn res%p;\n\n}\n\nlong long c[3010][3010],s[3010][3010];\n\nint main(){\n\n\tlong long n,p;\n\n\tcin>>n>>p;\n\n\tc[0][0]=s[0][0]=1;\n\n\tinc(i,1,n+1){\n\n\t\tc[i][0]=1;\n\n\t\tinc(j,1,i){\n\n\t\t\tc[i][j]=(c[i-1][j]+c[i-1][j-1])%p;\n\n\t\t\ts[i][j]=(s[i-1][j-1]+(long long)j*s[i-1][j]%p)%p;\n\n\t\t}\n\n\t}\n\n\tlong long ans=0;\n\n\tinc(i,0,n){\n\n\t\tlong long sum=(i&1)?p-1:1;\n\n\t\tsum=sum*KSM(2,KSM(2,n-i,p-1),p)%p;\n\n\t\tsum=sum*c[n][i]%p;\n\n\t\tlong long tmp=0;\n\n\t\tinc(j,0,i){\n\n\t\t\ttmp=(tmp+s[i+1][j+1]*KSM(KSM(2,(n-i),p)%p,j,p))%p;\n\n\t\t}\n\n\t\tsum=sum*tmp%p;\n\n\t\tans=((ans+sum)%p+p)%p;\n\n\t}\n\n\tcout<<ans;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000100"}413{"label": "pie_cpp_validation_000101", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 300, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 300, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000101.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000101", "task_path": "tasks/validation/pie_cpp_validation_000101.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#define ll long long\n\nusing namespace std;\n\n\n\nconst int maxn=3e3+15; \n\nll n,mod;\n\nll g[maxn][maxn],c[maxn][maxn];\n\nll mul(ll a,ll b,ll p)\n\n{\n\n ll r=0;\n\n for (;b;b>>=1,a=(a+a)%p) if (b&1) r=(r+a)%p;\n\n return r;\n\n}\n\nll qpow(ll a,ll b,ll p)\n\n{\n\n ll r=1;\n\n for (;b;b>>=1,a=mul(a,a,p)) if (b&1) r=mul(r,a,p);\n\n return r;\n\n}\n\nint main()\n\n{\n\n scanf(\"%lld%lld\",&n,&mod); \n\n for (int i=1;i<=n;i++)\n\n {\n\n c[i][0]=c[i][i]=1;\n\n for (int j=1;j<i;j++)\n\n c[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;\n\n }\n\n for (int i=0;i<=n;i++)\n\n {\n\n g[i][0]=1;\n\n for (int j=1;j<=i;j++)\n\n g[i][j]=(g[i-1][j-1]+g[i-1][j]*(j+1)%mod)%mod; \n\n }\n\n ll ans=0;\n\n for (int i=0;i<=n;i++)\n\n {\n\n ll k=c[n][i];\n\n if (i&1) k=(mod-k)%mod;\n\n ll x=qpow(2,n-i,mod-1);\n\n x=qpow(2,x,mod);\n\n ll kind=qpow(2,n-i,mod);\n\n ll cnt=0,y=1;\n\n for (int j=0;j<=i;j++)\n\n {\n\n cnt=(cnt+(g[i][j]*y%mod))%mod;\n\n y=kind*y%mod;\n\n } \n\n ans=(ans+(k*cnt%mod*x%mod))%mod;\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000101"}414{"label": "pie_cpp_validation_000102", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 193, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 193, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000102.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000102", "task_path": "tasks/validation/pie_cpp_validation_000102.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <string>\n\n#include <cstring>\n\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst int N=3e3+2;\n\nll mod,g[N][N],C[N][N],f[N];\n\n\n\nll modpow(ll x,ll y,ll p,ll res=1) {\n\n for(;y;y>>=1,x=x*x%p) if(y&1) res=res*x%p;\n\n return res;\n\n}\n\n\n\nint main() {\n\n int n;scanf(\"%d%lld\",&n,&mod);\n\n for(int i=0;i<=n;++i) {\n\n C[i][0]=g[i][0]=1;\n\n for(int j=1;j<=i;++j) \n\n C[i][j]=(C[i-1][j]+C[i-1][j-1])%mod,\n\n g[i][j]=(g[i-1][j-1]+1ll*(j+1)*g[i-1][j]%mod)%mod;\n\n }\n\n ll ans=0;\n\n for(int i=0;i<=n;++i) {\n\n ll k=C[n][i];\n\n if(i&1) k=mod-k;\n\n ll x=modpow(2,n-i,mod-1);x=modpow(2,x,mod);\n\n ll num=modpow(2,n-i,mod),y=1,res=0;\n\n for(int j=0;j<=i;++j)\n\n res=(res+1ll*g[i][j]*y%mod)%mod,y=num*y%mod;\n\n ans=(ans+k*res%mod*x%mod)%mod;\n\n }\n\n printf(\"%lld\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000102"}415{"label": "pie_cpp_validation_000103", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 286, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 286, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000103.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000103", "task_path": "tasks/validation/pie_cpp_validation_000103.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define sqr(x) ((x)*(x))\n\n#define mp make_pair\n\n#define uint unsigned\n\ninline char gc(){\n\n static char buf[100000],*p1=buf,*p2=buf;\n\n return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++;\n\n}\n\n#define gc getchar\n\ninline int read(){\n\n\tint x = 0; char ch = gc(); bool positive = 1;\n\n\tfor (; !isdigit(ch); ch = gc())\tif (ch == '-')\tpositive = 0;\n\n\tfor (; isdigit(ch); ch = gc())\tx = x * 10 + ch - '0';\n\n\treturn positive ? x : -x;\n\n}\n\ninline void write(int a){\n\n if(a>=10)write(a/10);\n\n putchar('0'+a%10);\n\n}\n\ninline void writeln(int a){\n\n if(a<0){\n\n \ta=-a; putchar('-');\n\n\t}\n\n\twrite(a); puts(\"\");\n\n}\n\nconst int N=3005;\n\ninline int ksm(ll a,int b,int mod){\n\n\tint ans=1;\n\n\tfor(;b;b>>=1){\n\n\t\tif(b&1)ans=ans*a%mod;\n\n\t\ta=a*a%mod;\n\n\t}\n\n\treturn ans;\n\n}\n\nint n,mod,ans;\n\nint s[N][N],ss[N][N],c[N][N];\n\nsigned main(){\n\n\tn=read(); mod=read();\n\n\ts[0][0]=c[0][0]=1; for(int i=0;i<=n;i++)ss[0][i]=1; \n\n\tfor(int i=1;i<=n+1;i++){\n\n\t\ts[i][1]=ss[i][1]=1; c[i][0]=1;\n\n\t\tfor(int j=1;j<=i;j++)c[i][j]=(c[i-1][j]+c[i-1][j-1])%mod;\n\n\t\tfor(int j=2;j<=n+1;j++)ss[i][j]=(ss[i-1][j]+(s[i][j]=((ll)s[i-1][j]*j+s[i-1][j-1])%mod))%mod;\n\n\t}\n\n\tfor(int i=0;i<=n;i++){\n\n\t\tint sum=0;\n\n\t\tfor(int j=0;j<=i;j++){\n\n\t\t\tint t=(ll)ksm(2,(n-i)*j,mod)*c[n][i]%mod,sss=0;\n\n\t\t\t//if(i<=10)cout<<i<<\" \"<<j<<\" \"<<sss<<\" \"<<s[i+1][j+1]<<endl;\n\n\t\t\tsum=(sum+(ll)s[i+1][j+1]*t)%mod;\n\n\t\t}\n\n\t\tsum=(ll)sum*ksm(2,ksm(2,n-i,mod-1),mod)%mod;\n\n\t\tans=(ans+(i&1?-1:1)*sum)%mod;\n\n\t\t//cout<<i<<\" \"<<sum<<endl;\n\n\t}\n\n\tcout<<(ans+mod)%mod<<endl;\n\n}\n\n/*\n\n\u95ee\u9898\uff1a\u9009\u51fa\u4efb\u610f\u4e2a\u4e0d\u540c\u7684n\u4f4d2\u8fdb\u5236\u6570\uff0c\u6ee1\u8db3\u5bf9\u4e8e\u4efb\u610f\u4f4d\u6570\uff0c\u90fd\u81f3\u5c11\u51fa\u73b0\u4e86\u4e24\u4e2a1\n\n\u5bb9\u65a5\uff0c\u6c42\u81f3\u5c11i\u4f4d\u6700\u591a\u51fa\u73b01\u4e2a1\u7684\u65b9\u6848\u6570\n\n\u5373\u5bf9\u4e8e\u5176\u4e2di\u4f4d\uff0c\u8fd9\u4e9b\u6570\u5e76\u6ca1\u6709\u4ea4\u96c6 \n\n\u5bf9\u4e8e\u8fd9i\u4f4d\uff0c\u53ef\u4ee5\u4e0d\u9009\uff0c\u4e5f\u53ef\u4ee5\u5206\u914d\u6389\n\n\u8fd9i\u4f4d\u6709\u503c\u4e2d\u6709k\u4e2a\u51fa\u73b01\u4e2a1\uff0ci-k\u6ca1\u51fa\u73b01\uff0c\u7684\u9009\u4e86j\u4e2a\u6570 \n\n\u53ef\u4ee5\u53d1\u73b0\u7b54\u6848\u662fc(n,i)*c(i,k)*s(k,j)*(2^((n-i)*j))\n\n\u4f46\u8fd9i\u4f4d\u6ca11\u7684\u60c5\u51b5\u5462\uff1f\n\n\u8fd9i\u4f4d\u6ca11\u67092^(n-i)\u4e2a\u6570\uff0c\u6bcf\u4e2a\u9009\u548c\u4e0d\u9009\u90fd\u53ef\u4ee5\uff0c\u76f4\u63a5\u4e582^(2^(n-i)) \n\nss\u662f\u7b2c\u4e8c\u7c7b\u65af\u7279\u6797\u6570\u7684\u524d\u7f00\u548c \n\n*/\n```", "split": "validation", "task_id": "pie_cpp_validation_000103"}416{"label": "pie_cpp_validation_000104", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 799, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 799, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000104.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000104", "task_path": "tasks/validation/pie_cpp_validation_000104.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<iostream>\n\nusing namespace std;\n\nconst int N=3e3+10;\n\nint n,mod,ans,s[N][N],t[N],fac[N],inv[N],f[N],g[N][N];\n\ninline int MOD(int x){x-=x>=mod? mod:0;return x;}\n\ninline int Minus(int x){x+=x<0? mod:0;return x;}\n\ninline void Add(int &x,int y){x+=y;x-=x>=mod? mod:0;}\n\ninline int fas(int x,int p,int M){int res=1;while(p){if(p&1)res=1ll*res*x%M;p>>=1;x=1ll*x*x%M;}return res;}\n\ninline void Preprocess(){\n\n\tfac[0]=1;for(register int i=1;i<=n;i++)fac[i]=1ll*fac[i-1]*i%mod;\n\n\tinv[0]=inv[1]=1;for(register int i=2;i<=n;i++)inv[i]=(-1ll*mod/i*inv[mod%i]%mod+mod)%mod;\n\n\tfor(register int i=2;i<=n;i++)inv[i]=1ll*inv[i-1]*inv[i]%mod;//\u6ce8\u610flong long\u7684\u5f3a\u5236\u8f6c\u6362 \n\n}\n\ninline int C(int n,int m){if(n<0||m<0||n<m)return 0;return 1ll*fac[n]*inv[m]%mod*inv[n-m]%mod;}\n\nint main(){\n\n\tscanf(\"%d%d\",&n,&mod);Preprocess();\n\n\tans=fas(2,fas(2,n,mod-1),mod);s[0][0]=1;\n\n\tfor(register int i=1;i<=n+1;i++)\n\n\t\tfor(register int j=1;j<=i;j++)\n\n\t\t\ts[i][j]=MOD(s[i-1][j-1]+1ll*j*s[i-1][j]%mod);\n\n\tfor(register int i=1;i<=n;i++)f[i]=fas(2,fas(2,n-i,mod-1),mod);\n\n\tfor(register int i=1;i<=n;i++)\n\n\t\tfor(register int j=0;j<=n;j++)\n\n\t\t\tg[i][j]=fas(fas(2,n-i,mod),j,mod);\n\n\tfor(register int i=1;i<=n;i++)\n\n\t\tfor(register int j=0;j<=i;j++)\n\n\t\t\tAdd(t[i],1ll*s[i+1][j+1]*C(n,i)%mod*f[i]%mod*g[i][j]%mod);\n\n\tfor(register int i=1;i<=n;i++)\n\n\t\tif(i&1)ans=Minus(ans-t[i]);else Add(ans,t[i]);\n\n\tprintf(\"%d\\n\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000104"}417{"label": "pie_cpp_validation_000105", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 204, "hidden_test_count": 1, "problem_id": "p03375", "reference_metric": "runtime_cpu_ns", "reference_value": 204, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000105.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000105", "task_path": "tasks/validation/pie_cpp_validation_000105.json", "visible_test_count": 1}, "problem_id": "p03375", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2 1000000007\n\nExpected output:\n2\n\n\nProgram:\n```cpp\n#define _USE_MATH_DEFINES\n\n\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <iostream>\n\n#include <cmath>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <queue>\n\n#include <map>\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<long long int, long long int> P;\n\n\n\nlong long int INF = 1e18;\n\nlong long int MOD = 1e9 + 7;\n\n\n\nlong long int p2[4000], fact[4000], fact_m[4000];\n\nlong long int DP[3100][3100] = {};\n\n\n\nlong long int mul_pow(long long int num, long long int pow_num, long long int mod_num){\n\n\tlong long int pow_cur = num;\n\n\tlong long int ret = 1;\n\n\twhile(pow_num > 0){\n\n\t\tif(pow_num % 2 == 1){\n\n\t\t\tret *= pow_cur;\n\n\t\t\tret %= mod_num;\n\n\t\t}\n\n\t\tpow_cur *= pow_cur;\n\n\t\tpow_cur %= mod_num;\n\n\t\tpow_num /= 2;\n\n\t}\n\n\treturn ret;\n\n}\n\n\n\nint main(){\n\n long long int N;\n\n cin >> N >> MOD;\n\n p2[0] = fact[0] = fact_m[0] = 1;\n\n for(int i = 1; i < 4000; i++){\n\n p2[i] = p2[i - 1] * 2;\n\n p2[i] %= MOD;\n\n fact[i] = fact[i - 1] * i;\n\n fact[i] %= MOD;\n\n fact_m[i] = fact_m[i - 1] * mul_pow(i, MOD - 2, MOD);\n\n fact_m[i] %= MOD;\n\n }\n\n DP[1][1] = 1;\n\n for(int i = 2; i <= N; i++){\n\n for(int j = 1; j <= N; j++){\n\n DP[i][j] = DP[i - 1][j] * j + DP[i - 1][j - 1];\n\n DP[i][j] %= MOD;\n\n }\n\n }\n\n long long int ans = mul_pow(2, mul_pow(2, N, MOD - 1), MOD);\n\n long long int sig = -1;\n\n for(int i = 1; i <= N; i++){\n\n long long int P = 1, S = 0;\n\n for(int j = 1; j <= i; j++){\n\n S += DP[i][j] * (j * P % MOD);\n\n S %= MOD;\n\n P *= p2[N - i];\n\n P %= MOD;\n\n S += DP[i][j] * P;\n\n S %= MOD;\n\n }\n\n S *= mul_pow(2, mul_pow(2, N - i, MOD - 1), MOD);\n\n S %= MOD;\n\n long long int comb = (fact[N] * fact_m[i] % MOD) * fact_m[N - i] % MOD;\n\n S *= comb;\n\n S %= MOD;\n\n ans += S * sig + MOD * 10;\n\n ans %= MOD;\n\n sig *= -1;\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000105"}418{"label": "pie_cpp_validation_000284", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000284.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000284", "task_path": "tasks/validation/pie_cpp_validation_000284.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <iostream>\n\n#include <vector>\n\nusing namespace std;\n\n\n\nint rec[100001];\n\nint len[100001];\n\n\n\nint main(){\n\n\n\n\n\n\n\n int con, ptr = 0, sum = 0;\n\n scanf(\"%d\", &con);\n\n while(con--){\n\n scanf(\"%d\", &rec[ptr]);\n\n //len[ptr] = 1;\n\n ptr++;\n\n }\n\n\n\n\n\n vector<int> v;\n\n v.push_back(rec[0]);\n\n\n\n for (int i = 1; i < ptr; ++i)\n\n {\n\n int n = rec[i];\n\n\n\n if (n > v.back())\n\n v.push_back(n);\n\n else{\n\n //printf(\" %d\\n\", *lower_bound(v.begin(), v.end(), n));\n\n *lower_bound(v.begin(), v.end(), n) = n;\n\n }\n\n //for(int g = 0; g < v.size(); ++g)printf(\"%d \", v[g]);\n\n //printf(\"\\n\");\n\n\n\n }\n\n\n\n printf(\"%d\\n\" , v.size());\n\n\n\n\n\n\n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000284"}419{"label": "pie_cpp_validation_000285", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000285.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000285", "task_path": "tasks/validation/pie_cpp_validation_000285.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<iomanip>\n\n#include<math.h>\n\n#include<algorithm>\n\n#include<string>\n\n#include<vector>\n\n#include<queue>\n\n#include<stack>\n\n#include<set>\n\n#include<map>\n\n#include<complex>\n\n#define REP(i, N) for(ll i = 0; i < N; ++i)\n\n#define FOR(i, a, b) for(ll i = a; i < b; ++i)\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define pb push_back\n\n#define INF (long long)1000000000\n\n#define MOD 1000000007\n\n#define EPS (long double) 1e-8\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef pair<ll, ll> P;\n\nint dh[4] = {1, 0, -1, 0};\n\nint dw[4] = {0, 1, 0, -1};\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint n;\n\n\tcin>>n;\n\n\tvector<int> a(n);\n\n\tREP(i, n) cin>>a[i];\n\n\tvector<int> dp(n + 1);\n\n\tdp[0] = -1;\n\n\tFOR(i, 1, n + 1) {\n\n\t\tdp[i] = INF;\n\n\t}\n\n\tFOR(i, 1, n + 1) {\n\n\t\tvector<int>::iterator ite = lower_bound(ALL(dp), a[i - 1]);\n\n\t\tif(ite != a.end()) *ite = a[i - 1];\n\n\t}\n\n\tint res = 0;\n\n\tREP(i, n + 1) {\n\n\t\tif(dp[i] != INF) res = i;\n\n\t}\n\n\tcout<<res<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000285"}420{"label": "pie_cpp_validation_000286", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000286.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000286", "task_path": "tasks/validation/pie_cpp_validation_000286.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define INF 1145141919\n\nint DP[100010];\n\nint a[100010];\n\nint main(){\n\n for(int i = 0;i < 100010;i++)DP[i]=INF;\n\n int n;\n\n cin >> n;\n\n for(int i = 0;i < n;i++)cin >> a[i];\n\n for(int i = 0;i < n;i++)*lower_bound(DP,DP+n,a[i])=a[i];\n\n cout << (lower_bound(DP,DP+n,INF) - DP) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000286"}421{"label": "pie_cpp_validation_000287", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000287.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000287", "task_path": "tasks/validation/pie_cpp_validation_000287.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for(int i=0;i<n;i++)\n\n\n\nint lis(vector<int> a){\n\n int n = a.size();\n\n\tint dp[n];\n\n\tfill(dp, dp + n, INT_MAX);\n\n\trep(i,n) *lower_bound(dp, dp+n, a[i]) = a[i];\n\n\treturn lower_bound(dp, dp+n, INT_MAX) - dp;\n\n}\n\nint main(void){\n\n int n;\n\n cin >> n;\n\n vector<int> a(n);\n\n rep(i,n)cin >> a[i];\n\n cout << lis(a) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000287"}422{"label": "pie_cpp_validation_000288", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000288.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000288", "task_path": "tasks/validation/pie_cpp_validation_000288.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,a,n) for(int i=a;i<n;i++)\n\n#define repr(i,a,n) for(int i=a;i>=n;i--)\n\n#define INF 2000000000\n\n#define pb(a) push_back(a)\n\n\n\nusing namespace std;\n\ntypedef pair<int, int> pii;\n\ntypedef long long int ll;\n\ntypedef vector<pii> VP;\n\n\n\nint dy[]={0, 0, 1, -1};\n\nint dx[]={1, -1, 0, 0};\n\n\n\nint main() {\n\n int n; cin >> n;\n\n vector<int> a(n);\n\n rep(i,0,n) cin >> a[i];\n\n\n\n vector<int> dp(100001);\n\n rep(i,0,n+1) dp[i] = INF;\n\n\n\n rep(i,0,n) *lower_bound(dp.begin(), dp.begin() + n, a[i]) = a[i];\n\n\n\n cout << lower_bound(dp.begin(), dp.begin() + n, INF) - dp.begin() << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000288"}423{"label": "pie_cpp_validation_000289", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000289.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000289", "task_path": "tasks/validation/pie_cpp_validation_000289.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<iomanip>\n\n#include<algorithm>\n\n#include<cassert>\n\n#include<cctype>\n\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<functional>\n\n#include<limits>\n\n#include<list>\n\n#include<map>\n\n#include<numeric>\n\n#include<set>\n\n#include<stack>\n\n#include<string>\n\n#include<sstream>\n\n#include<queue>\n\n#include<vector>\n\nusing namespace std;\n\n\n\ntypedef long long llong;\n\ntypedef unsigned long long ullong;\n\n\n\n#define MOD 1000000007\n\n#define INF 0x3f3f3f3f\n\n#define INFL 0x3f3f3f3f3f3f3f3fLL\n\n\n\n//????????\u00b1?????\u00a8??????\n\nint lcs(string X, string Y) {\n\n\tstatic const int MAX_X = 1000, MAX_Y = 1000;\n\n\tstatic int dp[MAX_X + 1][MAX_Y + 1];\n\n\tmemset(dp, 0, sizeof(dp));\n\n\tfor (int i = 1; i <= X.size(); i++) {\n\n\t\tfor (int j = 1; j <= Y.size(); j++) {\n\n\t\t\tif (X[i - 1] == Y[j - 1]) {\n\n\t\t\t\tdp[i][j] = dp[i - 1][j - 1] + 1;\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tdp[i][j] = max(\n\n\t\t\t\t\tdp[i - 1][j],\n\n\t\t\t\t\tdp[i][j - 1]\n\n\t\t\t\t);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn dp[X.size()][Y.size()];\n\n}\n\n\n\n//???????\u00a2??????\u00a8??????\n\nint lis(int A[]) {\n\n\tstatic const int MAX_N = 100000;\n\n\tstatic int a[MAX_N];\n\n\tmemset(a, 0x3f, sizeof(a));\n\n\tfor (int i = 0; i < MAX_N; i++) {\n\n\t\t*lower_bound(a, a + MAX_N, A[i]) = A[i];\n\n\t}\n\n\treturn find(a, a + MAX_N, INF) - a;\n\n}\n\n\n\nint main() {\n\n\tint A[100000] = {};\n\n\tint n; cin >> n;\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\tscanf(\"%d\", &A[i]);\n\n\t}\n\n\tcout << lis(A) << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000289"}424{"label": "pie_cpp_validation_000290", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000290.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000290", "task_path": "tasks/validation/pie_cpp_validation_000290.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<climits>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tint n;\n\n\tcin >> n;\n\n\t\n\n\tvector<int> A(n);\n\n\t\n\n\tfor (int i=0;i<n;i++){\n\n\t\tcin >> A[i];\n\n\t}\n\n\t\n\n\tvector<int> DP(n,INT_MAX);\n\n\tfor(int i=0;i<n;i++){\n\n\t\t*lower_bound(DP.begin(),DP.end(),A[i])=A[i];\n\n\t}\n\n\t\n\n\tcout << lower_bound(DP.begin(),DP.end(),INT_MAX)-DP.begin() <<endl;\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000290"}425{"label": "pie_cpp_validation_000291", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000291.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000291", "task_path": "tasks/validation/pie_cpp_validation_000291.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <map>\n\n#include <set>\n\n#include <cstdio>\n\n#include <cmath>\n\n#define rep(i,l,n) for(lint i=l;i<n;i++)\n\n#define rer(i,l,n) for(lint i=l;i<=n;i++)\n\n#define all(a) a.begin(),a.end()\n\n#define o(a) cout<<a<<endl\n\n#define pb(a) push_back(a)\n\n#define mk(a,b) make_pair(a,b)\n\n#define fi first\n\n#define se second\n\nusing namespace std;\n\ntypedef long long lint;\n\ntypedef vector<int> vi;\n\ntypedef vector<lint> vli;\n\ntypedef vector<vi> vvi;\n\ntypedef pair<int,int> pii;\n\n\n\nconst int INF=1e9;\n\nint dp[100010]={};\n\n\n\nint main(){\n\n\tint n;\n\n\tcin>>n;\n\n\tvi a(n);\n\n\trep(i,0,n) cin>>a[i];\n\n\tfill(dp,dp+n,INF);\n\n\trep(i,0,n){\n\n\t\t*lower_bound(dp,dp+n,a[i])=a[i];\n\n\t}\n\n\to(lower_bound(dp,dp+n,INF)-dp);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000291"}426{"label": "pie_cpp_validation_000292", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000292.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000292", "task_path": "tasks/validation/pie_cpp_validation_000292.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int INF = 1000000001;\n\nint n, s, j, skip, nextskip, lis;\n\nvector<int> a, sz, top, p, nextp;\n\n\n\nint PatienceSorting(int nexti){\n\n int r = -1;\n\n int l = -1;\n\n if(p[0] == -1) r = 0;\n\n for(int i = 0; i < 2 * s; i++){\n\n top[i] = INF;\n\n sz[i] = 0;\n\n }\n\n for(int i = 0; i < n; i++){\n\n // filtering out irrelevant elements\n\n if(i < skip) continue;\n\n else if(r + 1 < p.size() && a[i] == p[r + 1]){\n\n r++;\n\n continue;\n\n }else if(r == -1 || a[i] < p[r] || (l >= j && a[i] > top[j])) continue;\n\n // push a[i] to the appropriate pile\n\n int h;\n\n if(l == -1 || a[i] > top[l]){\n\n l++;\n\n h = l;\n\n }else{\n\n h = lower_bound(top.begin(), top.end(), a[i]) - top.begin();\n\n }\n\n top[h] = a[i];\n\n sz[h]++;\n\n if(h == nexti){\n\n if(nextskip == -1) nextskip = i;\n\n nextp.push_back(a[i]);\n\n }\n\n }\n\n return l;\n\n}\n\n\n\nint main(){\n\n cin >> n;\n\n s = sqrt(n);\n\n j = 2 * s - 1;\n\n a.resize(n); sz.resize(2 * s); top.resize(2 * s);\n\n for(int i = 0; i < n; i++) cin >> a[i];\n\n p.push_back(-1);\n\n while(1){\n\n int l = PatienceSorting(-1);\n\n if(l < 2 * s - 1){\n\n lis += l + 1;\n\n break;\n\n }\n\n int nexti = -1;\n\n for(int i = 2 * s - 1; i >= s; i--){\n\n if(sz[i] <= s && sz[i] > 0){\n\n nexti = i;\n\n break;\n\n }\n\n }\n\n nextp.clear();\n\n nextskip = -1;\n\n PatienceSorting(nexti);\n\n p = nextp;\n\n skip = nextskip;\n\n lis += nexti + 1;\n\n }\n\n cout << lis << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000292"}427{"label": "pie_cpp_validation_000293", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000293.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000293", "task_path": "tasks/validation/pie_cpp_validation_000293.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DPL_1_D\n\n// Combinatorial - Longest Increasing Subsequence\n\n// status:\n\n\n\n#define SUBMIT\n\n\n\n#include <iostream>\n\n#include <sstream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <numeric>\n\n\n\nusing namespace std;\n\nusing ui64 = unsigned long long;\n\nusing i64 = long long;\n\n\n\nconst int MAX_N = 100000;\n\nint n;\n\nint a[MAX_N + 1];\n\nint L[MAX_N];\n\n\n\nint compute_lis() {\n\n L[0] = a[0];\n\n int length = 1;\n\n\n\n for (int i = 1; i <= n; ++i) {\n\n if (L[length - 1] < a[i]) {\n\n L[length] = a[i];\n\n length++;\n\n } else {\n\n *lower_bound(L, L + length, a[i]) = a[i];\n\n }\n\n }\n\n\n\n return length;\n\n}\n\n\n\nint main() {\n\n#ifdef SUBMIT\n\n auto& stream = cin;\n\n#else\n\n string program_input_str = R\"(5\n\n5\n\n1\n\n3\n\n2\n\n4\n\n)\";\n\n stringstream stream(program_input_str);\n\n#endif\n\n stream >> n;\n\n for (int i = 0; i < n; ++i) {\n\n stream >> a[i];\n\n }\n\n\n\n cout << compute_lis() << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000293"}428{"label": "pie_cpp_validation_000294", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000294.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000294", "task_path": "tasks/validation/pie_cpp_validation_000294.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nlong long* binarySearch(long long x, long long* left, long long* right){\n\n \n\n while(left < right){\n\n long long *ptr = left + (right - left) / 2;\n\n if( x < *ptr ){\n\n right = ptr;\n\n }else{\n\n left = ptr + 1;\n\n } \n\n }\n\n return left;\n\n}\n\n\n\nint main(){\n\n int N;\n\n cin >> N;\n\n\n\n long long a[N];\n\n for(int i = 0; i < N; i++) {\n\n cin >> a[i];\n\n }\n\n\n\n long long dp[N];\n\n int last = 1;\n\n dp[0] = a[0];\n\n for(int i = 1; i < N; i++) {\n\n // for(int j = 0; j <= last; j++) {\n\n // cout << dp[j] << \" \";\n\n // }\n\n // cout << endl;\n\n\n\n if(dp[last-1] < a[i]){\n\n dp[last++] = a[i];\n\n continue;\n\n }\n\n *lower_bound(dp,dp+last,a[i])=a[i];\n\n //long long* p = upper_bound(dp, dp+last-1, a[i]);\n\n //long long* p = binarySearch(a[i], dp, dp+last);\n\n //*p = a[i];\n\n }\n\n\n\n cout << last << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000294"}429{"label": "pie_cpp_validation_000295", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000295.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000295", "task_path": "tasks/validation/pie_cpp_validation_000295.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint n;\n\n\tscanf(\"%d\", &n);\n\n\n\n\tint A[n];\n\n\tfor (int i = 0; i < n; ++i) {\n\n\t\tint v;\n\n\t\tscanf(\"%d\", &v);\n\n\t\tA[i] = v;\n\n\t}\n\n//\t4\n\n//\t1\n\n//\t6\n\n//\t2\n\n//\t8\n\n//\t5\n\n//\t7\n\n//\t3\n\n\n\n//\t5 length=1\n\n//\t1 length=1\n\n//\t3 length=2\n\n//\t2 length=2\n\n//\t4 length=3\n\n\tint L[n];\n\n\tL[0] = A[0];\n\n\tint length = 1;\n\n\tfor (int i = 1; i < n; ++i) {\n\n\t\tif (L[length - 1] < A[i]) {\n\n\t\t\tL[length++] = A[i];\n\n\t\t} else {\n\n// L[j] (j ??? 0 ?????? lengh-1) ????????\u00a7 A[i] ??\\?????\u00a8??????????????? j ????????? = A[i]\n\n\t\t\tfor (int j = 0; j < length; ++j) {\n\n\t\t\t\tif (L[j] >= A[i]) {\n\n\t\t\t\t\tL[j] = A[i];\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\n\tcout << length << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000295"}430{"label": "pie_cpp_validation_000296", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000296.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000296", "task_path": "tasks/validation/pie_cpp_validation_000296.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<queue>\n\n#include<map>\n\n#include<cmath>\n\n#include<iomanip>\n\n#include<set>\n\n#include<string>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for (int i = 0; i < n; ++i)\n\n#define rrep(i, st, n) for (int i = st; i < n; ++i)\n\nusing pii = pair<int, int>;\n\nconst int inf = 1e9 + 7;\n\n\n\nint main() {\n\n int n; cin >> n;\n\n vector<int> v(n);\n\n rep(i, n) v[i] = inf;\n\n rep(i, n) {\n\n int a; cin >> a;\n\n v[lower_bound(v.begin(), v.end(), a) - v.begin()] = a;\n\n }\n\n int cnt = 0;\n\n rep(i, n) if (v[i] != 1e9 + 7) cnt++; else break;\n\n cout << cnt << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000296"}431{"label": "pie_cpp_validation_000297", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000297.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000297", "task_path": "tasks/validation/pie_cpp_validation_000297.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string>\n\n#include <set>\n\n#include <stack>\n\n#include <queue>\n\n#include <math.h>\n\nusing namespace std; \n\n\n\nint n,a[100001],dp[100001];\n\n\n\n\n\nint main(void){\n\n cin>>n;\n\n for(int i=0;i<n;i++){\n\n cin>>a[i];\n\n }\n\n for(int i=0;i<n;i++){\n\n dp[i]=1000000001;\n\n }\n\n for(int i=0;i<n;i++){\n\n int j;\n\n j=lower_bound(dp,dp+n,a[i])-dp;\n\n dp[j]=a[i];\n\n }\n\n for(int i=0;i<n;i++){\n\n if(dp[i]==1000000001){\n\n cout<<i<<endl;\n\n return 0;\n\n }\n\n }\n\n cout<<n<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000297"}432{"label": "pie_cpp_validation_000298", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000298.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000298", "task_path": "tasks/validation/pie_cpp_validation_000298.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<utility>\n\n#include<string>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<queue>\n\n#include<map>\n\n#include<climits>\n\n#include<queue>\n\n\n\n#define REP(i, n) for(int i = 0;i < n;i++)\n\n#define REPR(i, n) for(int i = n;i >= 0;i--)\n\n#define FOR(i, m, n) for(int i = m;i < n;i++)\n\n#define FORR(i, m, n) for(int i = m;i >= n;i--)\n\n#define SORT(v, n) sort(v, v+n);\n\n#define VSORT(v) sort(v.begin(), v.end());\n\n#define llong long long\n\n#define pb(a) push_back(a)\n\nusing namespace std;\n\ntypedef pair<int, int> P;\n\ntypedef long long int ll;\n\ntypedef pair<ll,ll> LLP;\n\nint dx[4] = {1,0,0,-1};\n\nint dy[4] = {0,1,-1,0};\n\n#define MOD 1000000007\n\n#define ARRAY_MAX 3005\n\n\n\nstruct SegmentTree{\n\n\n\n int N;\n\n vector<int> node;\n\n const int INF = INT_MAX;\n\n\n\n void init(int siz){\n\n N = 1;\n\n while(N < siz){\n\n N *= 2;\n\n }\n\n node.resize(2*N-1,0);\n\n }\n\n\n\n void build(vector<int>& dat){\n\n for(int i = 0;i < dat.size();i++){\n\n node[i+N-1] = dat[i];\n\n }\n\n for(int i = N-2;i >= 0;i--){\n\n node[i] = max(node[2*i+1],node[2*i]+2);\n\n }\n\n }\n\n\n\n void update(int k,int x){\n\n k += N-1;\n\n node[k] = x;\n\n while(k > 0){\n\n k = (k-1)/2;//\u89aa\n\n node[k] = max(node[2*k+1],node[2*k+2]);\n\n }\n\n }\n\n\n\n int getMax(int a,int b,int k,int l,int r){\n\n if(r <= a || b <= l){\n\n return 0;\n\n }\n\n if(a <= l && r <= b){\n\n return node[k];\n\n }\n\n int vl = getMax(a,b,k*2+1,l,(l+r)/2);\n\n int vr = getMax(a,b,k*2+2,(l+r)/2,r);\n\n return max(vl,vr);\n\n }\n\n\n\n int getMax(int a,int b){\n\n return getMax(a,b,0,0,N);\n\n }\n\n};\n\n\n\n\n\nvoid compress(vector<int> &v) {\n\n vector<int> x = v;\n\n map<int,int> zip;\n\n sort(x.begin(), x.end());\n\n x.erase(unique(x.begin(), x.end()), x.end());\n\n for (int i = 0; i < x.size(); i++) {\n\n zip[x[i]] = i;\n\n }\n\n for (int i=0; i < v.size(); i++){\n\n v[i] = zip[v[i]];\n\n }\n\n}\n\n\n\nint main(){\n\n\n\n int n;\n\n cin >> n;\n\n vector<int> a(n);\n\n REP(i,n){\n\n cin >> a[i];\n\n }\n\n compress(a);\n\n\n\n SegmentTree sgmt;\n\n sgmt.init(n);\n\n\n\n REP(i,n){\n\n int maxi = sgmt.getMax(0,a[i]);\n\n sgmt.update(a[i],maxi+1);\n\n }\n\n cout << sgmt.getMax(0,n) << endl;\n\n\n\n\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000298"}433{"label": "pie_cpp_validation_000299", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000299.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000299", "task_path": "tasks/validation/pie_cpp_validation_000299.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int,int> int_pair;\n\ntypedef pair<ll,ll> ll_pair;\n\n#define FOR(I,A,B) for(ll I = (A); I < (B); ++I)\n\nconst int N=100001;\n\nll n,a[N],ans=1;\n\nll dp[N];\n\n\n\nint main(){\n\n\tcin>>n;\n\n\tFOR(i,0,n){\n\n\t\tcin>>a[i];\n\n\t}\n\n\tfill(dp,dp+n,1e9+1);\n\n\tFOR(i,0,n){\n\n\t\t*lower_bound(dp,dp+n,a[i])=a[i];\n\n\t}\n\n\tcout<<lower_bound(dp,dp+n,1e9+1)-dp<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000299"}434{"label": "pie_cpp_validation_000300", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000300.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000300", "task_path": "tasks/validation/pie_cpp_validation_000300.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#define _CRT_SECURE_NO_WARNINGS\n\n#define _USE_MATH_DEFINES\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <string.h>\n\nusing namespace std;\n\nconst int num = 100001, INF = 2000000000;\n\nint a[num];\n\nint dp[num];\n\nint main() {\n\n\tint n;\n\n\tcin >> n;\n\n\tfor (int i = 0; i < n; i++)cin >> a[i];\n\n\tfill(dp, dp + n, INF);\n\n\tfor (int i = 0; i < n; i++) {\n\n\t\t*lower_bound(dp, dp + n, a[i]) = a[i];\n\n\t}\n\n\tcout << lower_bound(dp, dp + n, INF) - dp << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000300"}435{"label": "pie_cpp_validation_000301", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000301.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000301", "task_path": "tasks/validation/pie_cpp_validation_000301.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <utility>\n\n#include <functional>\n\n#include <stack>\n\n#include <queue>\n\n#include <map>\n\n#include <set>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <deque>\n\n \n\nusing namespace std;\n\n \n\n#define rep(i,n) for(int i=0; i<(n); i++)\n\n#define repc(i,s,e) for(int i=(s); i<(e); i++)\n\n#define pb(n) push_back((n))\n\n#define mp(n,m) make_pair((n),(m))\n\n#define all(r) r.begin(),r.end()\n\n#define fi first\n\n#define se second\n\n \n\n \n\ntypedef long long ll;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vii;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vl> vll;\n\ntypedef pair<int, int> pii;\n\ntypedef pair<ll, ll> pll;\n\n\n\n\n\nconst int INF=1e9;\n\n\n\n\n\nconst int MAX_N = 100010;\n\nint dp[MAX_N];\n\n\n\nint main(){\n\n\tint n;\n\n\tcin>>n;\n\n\tvi a(n, 0);\n\n\trep(i, n) cin>>a[i];\n\n\n\n\tfor(int i = 0; i <= n; i++){\n\n\t\tdp[i]=INF;\n\n\t}\n\n\tfor(int i = 0; i < n; i++){\n\n\t\t*lower_bound(dp, dp+n,a[i]) = a[i];\n\n\t}\n\n\n\n\tcout<<lower_bound(dp, dp+ n, INF)-dp<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000301"}436{"label": "pie_cpp_validation_000302", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000302.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000302", "task_path": "tasks/validation/pie_cpp_validation_000302.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n\n\nconst int INF = 1e9 + 1;\n\nint n, a, dp[100001];\n\n\n\nint main() { \n\n cin >> n;\n\n for (int i=0; i<n; ++i) dp[i] = INF;\n\n\n\n for (int i=0; i<n; ++i) {\n\n cin >> a;\n\n *lower_bound(dp, dp+n, a) = a;\n\n }\n\n\n\n cout << lower_bound(dp, dp+n, INF) - dp << endl;\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000302"}437{"label": "pie_cpp_validation_000303", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000303.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000303", "task_path": "tasks/validation/pie_cpp_validation_000303.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#define INF 1000000001\n\nusing namespace std;\n\nint dp[100005];\n\nint main(){\n\n int n,tmp; cin >> n;\n\n fill(dp,dp+n,INF);\n\n for (int i = 0;i < n; i++){\n\n cin >> tmp;\n\n *lower_bound(dp,dp+n,tmp) = tmp;\n\n }\n\n cout << lower_bound(dp,dp+n,INF) - dp<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000303"}438{"label": "pie_cpp_validation_000304", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000304.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000304", "task_path": "tasks/validation/pie_cpp_validation_000304.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\tint n;\n\n\tcin >> n;\n\n\tvector<int> v(n+1,-1);\n\n\tint l=0;\n\n\tfor(int i=0;i<n;i++){\n\n\t\tint a;\n\n\t\tcin >> a;\n\n\t\tif(v[l] < a){\n\n\t\t\tv[l+1]=a;\n\n\t\t\tl++;\n\n\t\t} else {\n\n\t\t\tfor(int unsigned j=0;j<v.size();j++){\n\n\t\t\t\tif(a <= v[j]){\n\n\t\t\t\t\tv[j] = a;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout << l << endl;\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000304"}439{"label": "pie_cpp_validation_000305", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000305.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000305", "task_path": "tasks/validation/pie_cpp_validation_000305.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint n;\n\nint A[100005], L[100005];\n\n\n\nint lis(){\n\n L[0]=A[0];\n\n int length=1;\n\n\n\n for(int i=1; i<n; i++){\n\n if(L[length-1]<A[i]){\n\n L[length]=A[i]; length++;\n\n }\n\n else{\n\n *lower_bound(L, L+length, A[i])=A[i];\n\n }\n\n }\n\n\n\n return length;\n\n}\n\n\n\nint main(void){\n\n cin >> n;\n\n for(int i=0; i<n; i++){\n\n cin >> A[i];\n\n }\n\n\n\n cout << lis() << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000305"}440{"label": "pie_cpp_validation_000306", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000306.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000306", "task_path": "tasks/validation/pie_cpp_validation_000306.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <tuple>\n\n#include <set>\n\nusing namespace std;\n\n\n\ntypedef tuple<int, int> seq; // tail, length\n\nconst int infty = 1e9+10;\n\n\n\nint main () {\n\n int n;\n\n cin >> n;\n\n int a[100010];\n\n for (auto i=0; i<n; i++) {\n\n cin >> a[i];\n\n }\n\n set<seq> S;\n\n S.insert(make_tuple(infty, 100010));\n\n S.insert(make_tuple(-1, 0));\n\n for (auto i=0; i<n; i++) {\n\n auto it = S.lower_bound(make_tuple(a[i], -1));\n\n it--;\n\n seq temp = *it;\n\n get<0>(temp) = a[i];\n\n int tl = ++get<1>(temp);\n\n S.insert(temp);\n\n // cerr << \"insert: \" << get<0>(temp) << \" \" << get<1>(temp) << endl;\n\n it++; it++;\n\n while (it != S.end() && get<1>(*it) <= tl) {\n\n // cerr << \"erase: \" << get<0>(*it) << \" \" << get<1>(*it) << endl;\n\n S.erase(it++);\n\n }\n\n }\n\n auto it = S.end();\n\n it--; it--;\n\n cout << get<1>(*it) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000306"}441{"label": "pie_cpp_validation_000307", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000307.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000307", "task_path": "tasks/validation/pie_cpp_validation_000307.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\nusing namespace std;\n\n#define REP(i,n) for(int i=0;i<(int)(n);i++)\n\nconst long int NMAX = 100010, INF = 10000000023;\n\nlong int dp[NMAX];\n\nlong int a[NMAX];\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n REP(i, n) {\n\n cin >> a[i];\n\n }\n\n\n\n REP(i, n+1) {\n\n dp[i] = INF;\n\n }\n\n\n\n for (int i = 0; i < n; i++) {\n\n int j = 0;\n\n long int* p = lower_bound(dp, dp + n, a[i]);\n\n *p = a[i];\n\n }\n\n\n\n long int* p = lower_bound(dp, dp + n, INF);\n\n cout << p - dp << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000307"}442{"label": "pie_cpp_validation_000308", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p02317", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_000308.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_000308", "task_path": "tasks/validation/pie_cpp_validation_000308.json", "visible_test_count": 1}, "problem_id": "p02317", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5\n5\n1\n3\n2\n4\n\nExpected output:\n3\n\n\nProgram:\n```cpp\n#define _USE_MATH_DEFINES\n\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n\n\n//#define int long long\n\n#define DBG 1\n\n#define dump(o) if(DBG){cerr<<#o<<\" \"<<o<<endl;}\n\n#define dumpc(o) if(DBG){cerr<<#o; for(auto &e:(o))cerr<<\" \"<<e;cerr<<endl;}\n\n#define rep(i,a,b) for(int i=(a);i<(b);i++)\n\n#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)\n\n#define each(it,c) for(auto it=(c).begin();it!=(c).end();it++)\n\n#define all(c) c.begin(),c.end()\n\nconst int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;\n\nconst int MOD = (int)(1e9 + 7);\n\nconst double EPS = 1e-10;\n\nint lis(vector<int>v) {\n\n\tvector<int>L;\n\n\tL.push_back(v[0]);\n\n\trep(i, 1, v.size()) {\n\n\t\tif (L.back() < v[i])L.push_back(v[i]);\n\n\t\telse {\n\n\t\t\t*lower_bound(all(L), v[i]) = v[i];\n\n\t\t}\n\n\t}\n\n\treturn L.size();\n\n}\n\nsigned main() {\n\n\tint n; cin >> n; vector<int>v(n); rep(i, 0, n)cin >> v[i];\n\n\tcout << lis(v) << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_000308"}443{"label": "pie_cpp_validation_001059", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001059.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001059", "task_path": "tasks/validation/pie_cpp_validation_001059.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nint a,b,k;\n\nbool c[1000000000];\n\nint main()\n\n{\n\n\tscanf(\"%d%d%d\",&a,&b,&k);\n\n\tint t=k;\n\n\tfor(int i=a;i<=b&&t--;i++)\n\n\t\tc[i]=1;\n\n\tfor(int i=b;i>=a&&k--;i--)\n\n\t\tc[i]=1;\n\n\tfor(int i=a;i<=b;i++)\n\n\t\tif(c[i])\n\n\t\t\tprintf(\"%d\\n\",i);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001059"}444{"label": "pie_cpp_validation_001060", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001060.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001060", "task_path": "tasks/validation/pie_cpp_validation_001060.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstring>\n\nusing namespace std;\n\nint main()\n\n{\n\n int n,m,k;\n\n while(cin>>n>>m>>k){\n\n for(int i=n;i<=m;i++){\n\n if(i>=(m-k+1) || i<=(n+k-1))\n\n cout<<i<<endl;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001060"}445{"label": "pie_cpp_validation_001061", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001061.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001061", "task_path": "tasks/validation/pie_cpp_validation_001061.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint A[100] ;\n\nint main()\n\n{\n\n int a,b,k;\n\n cin >> a >> b >> k;\n\n if(2* k >= (b-a+1))\n\n {\n\n for(int i =a;i<=b;i++)\n\n cout << i << endl;\n\n }\n\n else\n\n {\n\n for(int i = a;i<=a+k-1;i++)\n\n {\n\n cout << i << endl;\n\n }\n\n for(int i = b-k+1;i<=b;i++)\n\n {\n\n cout << i << endl;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001061"}446{"label": "pie_cpp_validation_001062", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001062.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001062", "task_path": "tasks/validation/pie_cpp_validation_001062.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\nint main()\n\n{\n\n int a, b, k;\n\n scanf(\"%d%d%d\",&a,&b,&k);\n\n int i;\n\n for (i = a; i <= b; i++)\n\n {\n\n if (i - a < k || b - i < k)\n\n {\n\n printf(\"%d\\n\",i);\n\n \n\n }\n\n }\n\n return 0;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001062"}447{"label": "pie_cpp_validation_001063", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001063.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001063", "task_path": "tasks/validation/pie_cpp_validation_001063.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<vector>\n\n#include<queue>\n\n#include<algorithm>\n\n#include<cmath>\n\nusing namespace std;\n\nlong long A, B;\n\nint K;\n\nint mapp[210];\n\nint main()\n\n{\n\n scanf(\"%lld%lld%d\", &A, &B, &K);\n\n if(A>B)\n\n {\n\n int t;\n\n t = A;\n\n A = B;\n\n B = t;\n\n }\n\n if((B-A+2)/2<=K)\n\n {\n\n int sum = A;\n\n for(int i=0; i<(B-A+1); i++)\n\n {\n\n printf(\"%d\\n\", sum++);\n\n }\n\n }\n\n else\n\n {\n\n mapp[0] = A;\n\n mapp[2*K-1] = B;\n\n for(int i=1; i<=K-1; i++)\n\n {\n\n mapp[i] = mapp[i-1]+1;\n\n }\n\n for(int i=(2*K-2); i>=K; i--)\n\n {\n\n mapp[i] = mapp[i+1]-1;\n\n }\n\n for(int i=0; i<2*K; i++)\n\n {\n\n printf(\"%d\\n\",mapp[i]);\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001063"}448{"label": "pie_cpp_validation_001064", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001064.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001064", "task_path": "tasks/validation/pie_cpp_validation_001064.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n/**\n\n* From:\n\n* Qingdao Agricultural University\n\n* Created by XiangwangAcmer\n\n* Date : 2019-10-27-08.23.10\n\n* Talk is cheap.Show me your code.\n\n*/\n\n#include<iostream>\n\n#include<cstring>\n\n#include<algorithm>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<queue>\n\n#include<cmath>\n\n#include<cctype>\n\n#include<set>\n\n#include<stack>\n\n#include<map>\n\n#include<string>\n\n#include<cstdlib>\n\n#define ll long long\n\nusing namespace std;\n\nconst ll maxn = 1e6 + 5;\n\nconst ll minn = 1e9 + 5;\n\nconst ll mod = 1000000007;\n\nconst int INF = 0x3f3f3f3f;\n\nconst long long LIMIT = 4294967295LL;\n\nvector<int>v[maxn];\n\nint dp[maxn];\n\nvector<int>G[maxn];\n\nbool row[maxn], col[maxn];\n\nbool flag = 0;\n\nqueue<int>q;\n\nset<int >s;\n\nset<set<char> >ss;\n\nint level[maxn];\n\nll a[maxn];\n\nint vis[maxn];\n\nbool cmp(int x, int y)\n\n{\n\n return x > y;\n\n}\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n int n, m, k;\n\n int sum = 0;\n\n cin >> n >> m >> k;\n\n if(n + k > m)\n\n {\n\n for(int i = n;i <= m;i++)\n\n cout << i <<endl;\n\n return 0;\n\n }\n\n for(int i = n; i <= n+k-1; i++)\n\n s.insert(i);\n\n for(int i = m;i >= m-k+1;i--)\n\n s.insert(i);\n\n for(set<int>::iterator it = s.begin();it != s.end();it++)\n\n cout << *it <<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001064"}449{"label": "pie_cpp_validation_001065", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001065.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001065", "task_path": "tasks/validation/pie_cpp_validation_001065.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n long long int a,b,k,d,c;\n\n cin>>a>>b>>k;\n\n c=(a+k)-1;\n\n d=(b-k)+1;\n\n for(int i=a;i<=b;i++)\n\n {\n\n if(i<=c||i>=d)\n\n {\n\n cout<<i<<endl;\n\n }\n\n\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001065"}450{"label": "pie_cpp_validation_001066", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001066.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001066", "task_path": "tasks/validation/pie_cpp_validation_001066.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nmain(){\n\nlong long i,j,k,l,m,n;\n\nwhile(cin>>l>>m>>n){\n\n k=m-l;\n\nk++;\n\n if(n*2>=k){\n\n for(i=l;i<=m;i++)cout<<i<<endl;\n\n }\n\n else{\n\n for(i=l;i<l+n;i++) cout<<i<<endl;\n\n \n\n for(i=(m-n)+1;i<=m;i++)cout<<i<<endl;\n\n\n\n }\n\n} return 0;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001066"}451{"label": "pie_cpp_validation_001067", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001067.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001067", "task_path": "tasks/validation/pie_cpp_validation_001067.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<cstdio>\n\nusing namespace std;\n\nint main()\n\n{\n\n long long int x,y,i,j,k,c=0,n,z;\n\n vector<long long int>v,u,w;\n\n //string s;\n\n map<long long int ,long long int>m;\n\n cin>>x>>y>>k;\n\n for(i=x;i<x+k;i++)\n\n {\n\n m[i]++;\n\n }\n\n for(i=y;i>=y-k+1;i--)\n\n {\n\n m[i]++;\n\n }\n\n for(auto p:m)\n\n {\n\n if(p.second>=1&&p.first>=x&&p.first<=y)\n\n {\n\n v.push_back(p.first);\n\n }\n\n }\n\n sort(v.begin(),v.end());\n\n for(i=0;i<v.size();i++)\n\n {\n\n cout<<v[i]<<endl;\n\n }\n\n\n\n\n\n return 0;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001067"}452{"label": "pie_cpp_validation_001068", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001068.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001068", "task_path": "tasks/validation/pie_cpp_validation_001068.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\nint main()\n\n{\n\n ll t,n,k,a,b,c,p,q,r,s,x,y,z;\n\n cin>>a>>b>>k;\n\n if((b-a+1)<=2*k)\n\n {\n\n for(ll i=a;i<=b;i++)\n\n cout<<i<<endl;\n\n }\n\n else\n\n {\n\n for(ll i=a;i<a+k;i++)\n\n cout<<i<<endl;\n\n for(ll i=b-k+1;i<=b;i++)\n\n cout<<i<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001068"}453{"label": "pie_cpp_validation_001069", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 650, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 650, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001069.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001069", "task_path": "tasks/validation/pie_cpp_validation_001069.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n#define rep1(i, n) for (int i = 1; i <= (int)(n); i++)\n\nusing namespace std;\n\nusing P = pair<int,int>;\n\ntypedef long long ll;\n\n\n\nint main()\n\n{\n\n\tint a,b,k; cin >> a >> b >> k;\n\n\tset<int> st;\n\n\tfor(int i = a; i <= b; i++)\n\n\t{\n\n\t\tif (i < a + k)\n\n\t\t{\n\n\t\t\tif (!st.count(i))\n\n\t\t\t\tcout << i << endl;\n\n\t\t\tst.insert(i);\n\n\t\t}\n\n\t\tif (i > b - k)\n\n\t\t{\n\n\t\t\tif (!st.count(i))\n\n\t\t\t\tcout << i << endl;\n\n\t\t\tst.insert(i);\n\n\t\t}\n\n\t}\n\n\treturn (0);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001069"}454{"label": "pie_cpp_validation_001070", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001070.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001070", "task_path": "tasks/validation/pie_cpp_validation_001070.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <numeric>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <array>\n\n#include <string>\n\n#include <queue>\n\n#include <cmath>\n\n#include <iterator>\n\n#include <math.h>\n\n#include <cstdio>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n\n\nusing namespace std;\n\nusing lli = long long int;\n\nusing ulli = unsigned long long int;\n\n\n\nvoid judge_outer(bool judge_exp,string ok = \"Yes\",string ng = \"No\"){\n\n if(judge_exp){\n\n cout << ok << endl;\n\n }else{\n\n cout << ng << endl;\n\n }\n\n}\n\n\n\n\n\nint main(void){\n\n int a,b,k;\n\n cin >> a >> b >> k;\n\n for(int i=a;i<b+1;i++){\n\n if(a <= i && i < a+k){\n\n cout <<i << endl;\n\n cerr << \"a\" << endl;\n\n }else if(b >= i && i > b-k){\n\n cout << i << endl;\n\n cerr << \"b\" << endl;\n\n }\n\n }\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001070"}455{"label": "pie_cpp_validation_001071", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001071.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001071", "task_path": "tasks/validation/pie_cpp_validation_001071.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\n\n\nusing namespace std;\n\ntypedef long long int ll;\n\ntypedef pair<ll, ll > pi; \n\ntypedef pair<pair<ll, ll >, ll > pii; \n\nvector<ll > vec;\n\nvector<vector<ll > > vec2;\n\nll MOD = 1000000007;\n\nll INF = 1145141919454519;\n\n\n\nint main() {\n\n\n\n ll A, B, K;\n\n cin >> A >> B >> K;\n\n\n\n ll cn = 0;\n\n for(ll i = A; i <= B; i++){\n\n if(cn < K || B - A - K < cn){\n\n cout << i << endl;\n\n }\n\n cn++;\n\n }\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001071"}456{"label": "pie_cpp_validation_001072", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001072.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001072", "task_path": "tasks/validation/pie_cpp_validation_001072.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main(void){\n\n int a,b,k; cin >> a >> b >> k;\n\n for(int i=a; i<=b; i++){\n\n if(i-a+1<=k || b-i+1<=k) cout << i << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001072"}457{"label": "pie_cpp_validation_001073", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001073.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001073", "task_path": "tasks/validation/pie_cpp_validation_001073.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\n\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9 + 7;\n\n\n\n// 4\u8fd1\u508d\u30018\u8fd1\u508d\n\nint dx[] = {1, 0, -1, 0, 1, -1, -1, 1};\n\nint dy[] = {0, 1, 0, -1, 1, 1, -1, -1};\n\n\n\nint main() {\n\n // \u5165\u529b\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n\n\n // \u89e3\u7b54\n\n for (int i = a; i <= b; i++) {\n\n if (a + k > i || i > b - k) {\n\n cout << i << endl;\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001073"}458{"label": "pie_cpp_validation_001074", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001074.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001074", "task_path": "tasks/validation/pie_cpp_validation_001074.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\n\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9 + 7;\n\n\n\n// 4\u8fd1\u508d\u30018\u8fd1\u508d\n\nint dx[] = {1, 0, -1, 0, 1, -1, -1, 1};\n\nint dy[] = {0, 1, 0, -1, 1, 1, -1, -1};\n\n\n\nset<int> ans;\n\n\n\nint main() {\n\n // \u5165\u529b\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n\n\n for (int i = a; i < a + k; i++) if (i <= b) {\n\n ans.insert(i);\n\n }\n\n for (int i = b - k + 1; i <= b; i++) if (i >= a) {\n\n ans.insert(i);\n\n }\n\n\n\n // \u89e3\u7b54\n\n set<int>::iterator it = ans.begin();\n\n for (; it != ans.end(); it++) {\n\n cout << *it << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001074"}459{"label": "pie_cpp_validation_001075", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001075.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001075", "task_path": "tasks/validation/pie_cpp_validation_001075.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#define _GLIBCXX_DEBUG\n\n#include <bits/stdc++.h>\n\n#define range(i, l, r) for(long long int (i) = (l); (i) < (r); (i)++)\n\n#define reversed_range(i, l, r) for (long long int (i) = (r) - 1; (i) >= l; (i)--)\n\nusing namespace std;\n\ntemplate <typename T>\n\nusing vec = vector<T>;\n\nusing lint = long long;\n\nusing ulint = unsigned long long;\n\nusing pint = pair<int, int>;\n\nusing plint = pair<lint, lint>;\n\n\n\ntemplate <typename S, typename T>\n\nostream& operator <<(ostream& os, pair<S, T> p) {\n\n os << \"(\";\n\n os << p.first << \", \" << p.second;\n\n return os << \")\";\n\n}\n\n\n\ntemplate <typename T>\n\nostream& operator <<(ostream& os, vec<T> v) {\n\n os << \"[\";\n\n if (v.size() == 0) return os << \"]\";\n\n for (int i = 0; i < v.size() - 1; i++) {\n\n os << v.at(i) << \", \";\n\n }\n\n return os << v.at(v.size() - 1) << \"]\";\n\n}\n\n\n\ntemplate <typename T>\n\nostream& operator <<(ostream& os, set<T>& s) {\n\n os << \"{\";\n\n if (s.begin() == s.end()) return os << \"}\";\n\n auto it_first_item = s.begin();\n\n cout << *it_first_item;\n\n for (auto it = ++it_first_item; it != s.end(); it++) {\n\n cout << \", \" << *it;\n\n }\n\n return cout << \"}\";\n\n}\n\n\n\ntemplate <typename T>\n\nostream& operator <<(ostream& os, unordered_set<T>& s) {\n\n os << \"{\";\n\n if (s.begin() == s.end()) return os << \"}\";\n\n auto it_first_item = s.begin();\n\n cout << *it_first_item;\n\n for (auto it = ++it_first_item; it != s.end(); it++) {\n\n cout << \", \" << *it;\n\n }\n\n return cout << \"}\";\n\n}\n\n\n\ntemplate <typename K, typename V>\n\nostream& operator <<(ostream& os, map<K, V> m) {\n\n os << \"{\";\n\n if (m.begin() == m.end()) return os << \"}\";\n\n auto it_first_item = m.begin();\n\n cout << it_first_item->first << \": \" << it_first_item->second;\n\n for (auto it = ++it_first_item; it != m.end(); it++) {\n\n cout << \", \" << it->first << \": \" << it->second;\n\n }\n\n return os << \"}\";\n\n}\n\n\n\ntemplate <typename K, typename V>\n\nostream& operator <<(ostream& os, unordered_map<K, V> m) {\n\n os << \"{\";\n\n if (m.begin() == m.end()) return os << \"}\";\n\n auto it_first_item = m.begin();\n\n cout << it_first_item->first << \": \" << it_first_item->second;\n\n for (auto it = ++it_first_item; it != m.end(); it++) {\n\n cout << \", \" << it->first << \": \" << it->second;\n\n }\n\n return os << \"}\";\n\n}\n\n\n\nlint pow(lint num, lint e, lint MOD) {\n\n lint res = 1;\n\n lint cur_num = num;\n\n while (e) {\n\n if (e & 1) {\n\n res *= cur_num;\n\n res %= MOD;\n\n }\n\n cur_num *= cur_num;\n\n cur_num %= MOD;\n\n e >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nint main() {\n\n cin.tie(0); cout.tie(0);\n\n ios::sync_with_stdio(false);\n\n cout << fixed << setprecision(10);\n\n lint A, B, K; cin >> A >> B >> K;\n\n range(i, A, B + 1) {\n\n if (i - K < A or i + K > B) cout << i << \"\\n\";\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001075"}460{"label": "pie_cpp_validation_001076", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001076.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001076", "task_path": "tasks/validation/pie_cpp_validation_001076.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(void)\n\n{\n\n int a, b, c;\n\n scanf(\"%d %d %d\", &a, &b, &c);\n\n\n\n for (int i = a; i <= b; i++)\n\n {\n\n if (i < (a + c) || i > (b - c))\n\n {\n\n printf(\"%d\\n\", i);\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001076"}461{"label": "pie_cpp_validation_001077", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001077.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001077", "task_path": "tasks/validation/pie_cpp_validation_001077.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<vector>\n\n#include<set>\n\nusing namespace std;\n\nint main()\n\n{\n\n\tvector<int> v;\n\n\tint a,b,k;\n\n\tint count1=1;\n\n\tint count2=1;\n\n\tcin>>a>>b>>k;\n\n\tfor(int i=a;i<=b;i++)\n\n\t{\n\n\t\tif(count1<=k)\n\n\t\t{\n\n\t\t\tcount1++;\n\n\t\t\tv.push_back(i);\n\n\t\t}\n\n\t\telse \n\n\t\tbreak;\n\n\t}\n\n//\tfor(auto it = v.begin();it!=v.end();it++)\n\n//\t{\n\n//\t\tcout<<*it<<endl;\n\n//\t}\n\n\tfor(int i=b;i>=a;i--)\n\n\t{\n\n\t\tif(count2<=k)\n\n\t\t{\n\n\t\t\tcount2++;\n\n\t\t\tv.push_back(i);\n\n\t\t}\n\n\t\telse\n\n\t\tbreak;\n\n\t}\n\n\tset<int> s(v.begin(),v.end());\n\n\tfor(auto it = s.begin();it!=s.end();it++)\n\n\t{\n\n\t\tcout<<*it<<endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001077"}462{"label": "pie_cpp_validation_001078", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001078.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001078", "task_path": "tasks/validation/pie_cpp_validation_001078.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <vector>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <deque>\n\n#include <stack>\n\n#include <bitset>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <set>\n\n//#inlcude<stringstream>\n\n#define ll long long\n\n#define MODD 1000000007\n\nusing namespace std;\n\nll arr[1000000]={0};\n\nll brr[1000000]={0};\n\nint main() {\n\n\n\n ll a,b,k;cin >>a>>b>>k;\n\n ll small = 0,big = 0;\n\n for(ll i=a;i<=b;i++){\n\n if(small<k)arr[small++]=i;\n\n else if(i>b-k&&(b-k)>0&&big<k)brr[big++]=i;\n\n }\n\n for(ll i=0;i<min(k,(abs(a-b)+1));i++)cout<<arr[i]<<endl;\n\n for(ll i=0;i<k;i++){if(brr[i]==0){break;}cout<<brr[i]<<endl;}\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001078"}463{"label": "pie_cpp_validation_001079", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001079.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001079", "task_path": "tasks/validation/pie_cpp_validation_001079.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n int a, b, k;\n\n set < int > s;\n\n cin >> a >> b >> k;\n\n if (abs(b - a) <= k)\n\n {\n\n for(int i = a; i <= b; i++)\n\n {\n\n cout << i << endl;\n\n }\n\n }\n\n else\n\n {\n\n for(int i = 1; i <= k; i++)\n\n {\n\n s.insert(a);\n\n a++;\n\n s.insert(b);\n\n b--;\n\n }\n\n for(auto it: s)\n\n {\n\n cout << it << endl;\n\n }\n\n }\n\n return 0;\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001079"}464{"label": "pie_cpp_validation_001080", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001080.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001080", "task_path": "tasks/validation/pie_cpp_validation_001080.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define ll long long int\n\n\n\nusing namespace std;\n\nint main()\n\n{\n\n ll a,b,k,i,j,x,p,c=0;\n\n vector<ll> v;\n\n cin>>a>>b>>k;\n\n x=k;\n\n for(i=a; i<=b; i++)\n\n {\n\n x--;\n\n cout<<i<<endl;\n\n p=i;\n\n ;\n\n if(x==0)break;\n\n }\n\n x=k;\n\n for(i=b; i>=a; i--)\n\n {\n\n x--;\n\n if(p==i){break;}\n\n v.push_back(i);\n\n //v[c]=i;\n\n //c++;\n\n if(x==0){break;}\n\n }\n\n\n\n sort(v.begin(),v.end());\n\n\n\n for(i=0; i<v.size(); i++)\n\n {\n\n\n\n cout<<v[i]<<endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001080"}465{"label": "pie_cpp_validation_001081", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001081.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001081", "task_path": "tasks/validation/pie_cpp_validation_001081.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <utility>\n\n#include <cstdio>\n\n#include <vector>\n\n#include <string>\n\n#include <queue>\n\n#include <stack>\n\n#include <cmath>\n\n#include <set>\n\n#include <map>\n\nusing ll = long long;\n\nusing itn = int;\n\nusing namespace std;\n\nint GCD(int a, int b){\n\n return b ? GCD(b, a%b) : a;\n\n}\n\nint main(){\n\n int a,b,k;\n\n cin >> a >> b >> k;\n\n vector<int> v;\n\n for(int i=0; i<k; i++){\n\n if(a+i>b){\n\n break;\n\n }\n\n v.push_back(a+i);\n\n }\n\n for(int i=0; i<k; i++){\n\n if(b-i<a){\n\n break;\n\n }\n\n v.push_back(b-i);\n\n }\n\n sort(v.begin(),v.end());\n\n for(int i=0; i<v.size(); i++){\n\n if(v[i] == v[i+1]) continue;\n\n cout << v[i] << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001081"}466{"label": "pie_cpp_validation_001082", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001082.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001082", "task_path": "tasks/validation/pie_cpp_validation_001082.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n long long a, b, k; cin >> a >> b >> k;\n\n if (b-k+1 <= a+k-1) {\n\n for (int i = a; i <= b; i++)\n\n cout << i << endl;\n\n return 0;\n\n }\n\n else {\n\n for (int i = a; i <= a+k-1; i++)\n\n cout << i << endl;\n\n for (int i = b-k+1; i <= b; i++)\n\n cout << i << endl;\n\n return 0;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001082"}467{"label": "pie_cpp_validation_001083", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001083.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001083", "task_path": "tasks/validation/pie_cpp_validation_001083.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\n#define rep2(i, a, b) for (int i = (a); i < (b); ++i)\n\n#define all(a) (a).begin(), (a).end()\n\n\n\nint main()\n\n{\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n\n\n if ((b - a) / 2 < k)\n\n rep2(i, a, b + 1) cout << i << '\\n';\n\n else\n\n {\n\n int idx = 0;\n\n rep2(i, a, b + 1)\n\n {\n\n if (idx < k || (b - a) - idx < k)\n\n cout << i << '\\n';\n\n idx++;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001083"}468{"label": "pie_cpp_validation_001084", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001084.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001084", "task_path": "tasks/validation/pie_cpp_validation_001084.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for(int i=0; i<n; i++)\n\n#define rep2(i,a,n) for(int i=(a); i<(n); i++)\n\n#define all(vec) vec.begin(),vec.end()\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\n\n\nint main(){\n\n int A, B, K; cin >> A >> B >> K;\n\n vector<bool> chk(B+1,0);\n\n int count=0;\n\n for(int i=A; i<=B; i++){\n\n chk[i]=1;\n\n count++;\n\n if(count == K) break;\n\n }\n\n count = 0;\n\n for(int i=B; i>=A; i--){\n\n if(chk[i]) break;\n\n chk[i]=1;\n\n count++;\n\n if(count == K) break;\n\n }\n\n \n\n for(int i=A; i<=B; i++){\n\n if(chk[i]) cout << i << endl;\n\n }\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001084"}469{"label": "pie_cpp_validation_001085", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001085.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001085", "task_path": "tasks/validation/pie_cpp_validation_001085.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\n#include<algorithm>\n\n\n\nusing namespace std;\n\n\n\n\n\n\n\n\n\n\n\nint main(){\n\n \n\n\n\nlong long a,b,k;\n\ncin>>a>>b>>k;\n\n\n\nfor(int i=a;i<=b;i++){\n\n\tif( (i-a<k ) || (b-i<k) ){\n\n\t\tcout<<i<<endl;\n\n\t}\n\n}\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001085"}470{"label": "pie_cpp_validation_001086", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001086.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001086", "task_path": "tasks/validation/pie_cpp_validation_001086.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n set<int> A;\n\n for(int i = a; i < a + k; i++){\n\n if(i > b) break;\n\n else A.insert(i);\n\n }\n\n for(int i = b; i > b - k; i--){\n\n if(a > i) break;\n\n else A.insert(i);\n\n }\n\n for(auto x : A){\n\n cout << x << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001086"}471{"label": "pie_cpp_validation_001087", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001087.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001087", "task_path": "tasks/validation/pie_cpp_validation_001087.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid main_()\n\n{\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n\n\n for (int i = A; i <= B; ++i) {\n\n if (i < A + K || B - K < i) {\n\n cout << i << \"\\n\";\n\n }\n\n }\n\n}\n\nint main()\n\n{\n\n cin.tie(nullptr);\n\n cout.tie(nullptr);\n\n ios_base::sync_with_stdio(false);\n\n main_();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001087"}472{"label": "pie_cpp_validation_001088", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001088.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001088", "task_path": "tasks/validation/pie_cpp_validation_001088.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main() {\n\n\n\n int a, b, k; cin >> a >> b >> k;\n\n\n\n vector<int> vec;\n\n for (int i = a; i <= b ; i++) {\n\n if (i - a + 1 <= k) vec.emplace_back(i);\n\n if (b - i + 1 <= k) vec.emplace_back(i);\n\n }\n\n sort(vec.begin(), vec.end());\n\n vec.erase(std::unique(vec.begin(), vec.end()), vec.end());\n\n \n\n for (int i = 0; i < vec.size(); i++) {\n\n cout << vec[i] << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001088"}473{"label": "pie_cpp_validation_001089", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001089.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001089", "task_path": "tasks/validation/pie_cpp_validation_001089.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define REP(i, n) for(int i = 0; i < n; i++)\n\n#define REPR(i, n) for(int i = n; i >= 0; i--)\n\n#define FOR(i, m, n) for(int i = m; i < n; i++)\n\n#define INF 2e9\n\n#define ALL(v) (v).begin(), (v).end()\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main()\n\n{\n\n\tint a, b, k;\n\n\tcin >> a >> b >> k;\n\n\tint current = a;\n\n\n\n\twhile (current <= b){\n\n\t\tif (current <= a + k - 1 || current >= b - k + 1){\n\n\t\t\tcout << current << endl;\n\n\t\t}\n\n\t\tcurrent++;\n\n\t}\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001089"}474{"label": "pie_cpp_validation_001090", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001090.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001090", "task_path": "tasks/validation/pie_cpp_validation_001090.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <string>\n\n#include <sstream>\n\n#include <complex>\n\n#include <vector>\n\n#include <list>\n\n#include <queue>\n\n#include <deque>\n\n#include <stack>\n\n#include <map>\n\n#include <set>\n\n#include <iomanip>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntemplate<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;\n\n\n\n#define EPS (1e-7)\n\n#define INF (1e15)\n\n#define PI (acos(-1))\n\n#define MOD 1000000007\n\n\n\n#define REP(i,n) for(int i=0;i<n;i++)\n\n#define REPS(i,f,n) for(int i=(f);i<(n);i++)\n\n#define EACH(it,v) for(__typeof((v).begin()) it=(v).begin();it!=(v).end();it++)\n\n\n\n#define dump(x) cout << #x << \" = \" << (x) << endl;\n\n#define debug(x) cout << #x << \" = \" << (x) << \" (L\" << __LINE__ << \")\" << \" \" << __FILE__ << endl;\n\n#define arrdump(n,a) for(int i=0;i<n;i++) {cout<<((i>0)? \" \":\"\")<<a[i];}cout<<\"\\n\";\n\n\n\n\n\ntypedef pair<int, int> P;\n\ntypedef pair<ll, ll> LP;\n\ntypedef pair<int, P> PP;\n\ntypedef pair<ll, LP> LPP;\n\n\n\nint dy4[]={0, 0, 1, -1};\n\nint dx4[]={1, -1, 0, 0};\n\nint dx8[]={0, 0, 1, -1, 1, 1, -1, -1};\n\nint dy8[]={1, -1, 0, 0, 1, -1, -1, 1};\n\n\n\n// https://atcoder.jp/contests/abc093/tasks/abc093_b\n\n\n\nint main() {\n\n int A, B, K; cin >> A >> B >> K;\n\n set<int> st;\n\n\n\n for (int i = A; i < A+K; i++) {\n\n if (i > B) break;\n\n st.insert(i);\n\n }\n\n for (int i = B; i > B-K; i--) {\n\n if (i < A) break;\n\n st.insert(i);\n\n }\n\n for (int t : st) {\n\n cout << t << \"\\n\";\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001090"}475{"label": "pie_cpp_validation_001091", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001091.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001091", "task_path": "tasks/validation/pie_cpp_validation_001091.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nint main(void){\n\n int A, B, K;\n\n std::cin >> A >> B >> K;\n\n\n\n for (int i=A; i<=B; ++i){\n\n if (i < A + K || B - K < i){\n\n std::cout << i << std::endl;\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001091"}476{"label": "pie_cpp_validation_001092", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001092.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001092", "task_path": "tasks/validation/pie_cpp_validation_001092.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int A, B, K; cin >> A >> B >> K;\n\n\n\n if (B - A + 1 > 2 * K) {\n\n for (int i = A; i < A + K; ++i) cout << i << endl;\n\n for (int i = B - K + 1; i <= B; ++i) cout << i << endl;\n\n } else {\n\n for (int i = A; i <= B; ++i) cout << i << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001092"}477{"label": "pie_cpp_validation_001093", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001093.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001093", "task_path": "tasks/validation/pie_cpp_validation_001093.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <string.h>\n\n#include <iomanip>\n\n#include <math.h>\n\n#include <string>\n\n#include <queue>\n\n#include <map>\n\n#include <set>\n\n#include <functional>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long int ll;\n\ntypedef std::pair<int, int> pii;\n\ntypedef std::pair<ll, int> pli;\n\ntypedef std::pair<ll, ll> pll;\n\n\n\n#define FOR(i,n,m) for(ll i=(ll)(m);i<(ll)(n);++i)\n\n#define REP(i,n) FOR(i,n,0)\n\n#define IREP(i,n) for(ll i=(ll)(n);i>=0;--i)\n\n#define OF64 std::setprecision(10)\n\n\n\nconst ll MOD = 1000000007;\n\nconst ll INF = (ll)1e15;\n\n\n\nint main()\n\n{\n\n\tint A, B, K;\n\n\tcin >> A >> B >> K;\n\n\n\n\tFOR(i, B + 1, A)\n\n\t{\n\n\t\tif (i < A + K || i > B - K)\n\n\t\t{\n\n\t\t\tcout << i << endl;\n\n\t\t}\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001093"}478{"label": "pie_cpp_validation_001094", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001094.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001094", "task_path": "tasks/validation/pie_cpp_validation_001094.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main()\n\n{\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n\n\n set<int> st;\n\n\n\n for (int i = 0; i < K; i++)\n\n if (A + i <= B)\n\n st.insert(A + i);\n\n\n\n for (int i = K - 1; i >= 0; i--)\n\n if (B - i >= A)\n\n st.insert(B - i);\n\n\n\n for (int x : st)\n\n cout << x << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001094"}479{"label": "pie_cpp_validation_001095", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001095.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001095", "task_path": "tasks/validation/pie_cpp_validation_001095.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\nint a,b,k,i;\n\nint main() {\n\n\tscanf(\"%d %d %d\",&a,&b,&k);\n\n\tfor(i=a;i<=min(a+k-1,b);i++)\n\n\t\tprintf(\"%d\\n\",i);\n\n\tfor(i=max(i,b-k+1);i<=b;i++)\n\n\t\tprintf(\"%d\\n\",i);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001095"}480{"label": "pie_cpp_validation_001096", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001096.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001096", "task_path": "tasks/validation/pie_cpp_validation_001096.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\nusing namespace std;\n\nbool bo[1000000000];\n\nint main() {\n\n\tlong long a[2],k,ans[1000],cnt=0;\n\n\tscanf(\"%lld%lld%d\",&a[0],&a[1],&k);\n\n\tsort(a,a+1);\n\n\tfor(int i=0;i<k;i++) {\n\n\t\tif(a[0]+i<=a[1])\n\n\t\t\tans[++cnt]=a[0]+i, ans[++cnt]=a[1]-i;\n\n\t\telse\n\n\t\t\tbreak;\t\n\n\t}\n\n\tsort(ans+1,ans+1+cnt);\n\n\tfor(int i=1;i<=cnt;i++)\n\n\t\tif(!bo[ans[i]])\n\n\t\t\tprintf(\"%lld\\n\",ans[i]), bo[ans[i]]=1;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001096"}481{"label": "pie_cpp_validation_001097", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001097.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001097", "task_path": "tasks/validation/pie_cpp_validation_001097.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nint main()\n\n{\n\n long long a,b,c;\n\n while(cin>>a>>b>>c)\n\n {\n\n for(long long i=a;i<=b;i++)\n\n {\n\n if(i<a+c||i>b-c)\n\n cout<<i<<endl;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001097"}482{"label": "pie_cpp_validation_001098", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001098.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001098", "task_path": "tasks/validation/pie_cpp_validation_001098.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n#include <set>\n\n#include <algorithm>\n\nint main()\n\n{\n\n\tint a,b,k;\n\n\tcin >> a >> b >> k;\n\n\tif(b-a+1<=k)\n\n\t{\n\n\t\tfor(int i = a;i<=b;i++)cout<<i<<endl;\n\n\t}else{\n\n\t\tset<int>s;\n\n\t\tfor(int i = a;i<a+k;i++)\n\n\t\t{\n\n\t\t\ts.insert(i);\n\n\t\t}\n\n\t\t\n\n\t\tfor(int j = b;j>b-k;j--)\n\n\t\t{\n\n\t\t\ts.insert(j);\n\n\t\t}\n\n\t\t\n\n\t\tfor(auto & x : s)\n\n\t\t{\n\n\t\t\tcout << x << endl;\n\n\t\t}\n\n\t}\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001098"}483{"label": "pie_cpp_validation_001099", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001099.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001099", "task_path": "tasks/validation/pie_cpp_validation_001099.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int MAXN = 2e3 + 5;\n\nint a[MAXN];\n\nset<int> s;\n\n\n\nint main() {\n\n int a, b, n;\n\n cin >> a >> b >> n;\n\n for (int i = a; i <= a + n - 1; i++)\n\n s.insert(i);\n\n for (int i = b; i >= b - n + 1; i--)\n\n s.insert(i);\n\n for (auto i : s) {\n\n if (i >= a && i <= b)\n\n cout << i << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001099"}484{"label": "pie_cpp_validation_001100", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001100.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001100", "task_path": "tasks/validation/pie_cpp_validation_001100.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int a, b, k;\n\n cin>>a>>b>>k;\n\n int temp1 = a;\n\n for(int i = 1; i <= k; i++)\n\n {\n\n if(temp1>b)\n\n break;\n\n cout<<temp1<<endl;\n\n temp1++;\n\n }\n\n int temp2 = b - k + 1;\n\n if((a + k)>(b - k + 1))\n\n temp2 = temp1;\n\n for(int i = 1; i <= k; i++)\n\n {\n\n if(temp2>b)\n\n break;\n\n cout<<temp2<<endl;\n\n temp2++;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001100"}485{"label": "pie_cpp_validation_001101", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001101.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001101", "task_path": "tasks/validation/pie_cpp_validation_001101.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n/*\n\n Author: Prokash\n\n CSE48, JU\n\n\n\n*/\n\n\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n#define FAST ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)\n\nint main()\n\n{\n\n FAST;\n\n ll a,b,k;\n\n cin>>a>>b>>k;\n\n ll mn=min(b,(a+k-1));\n\n ll mx=max(a+k,(b-k+1));\n\n for(ll i=a;i<=mn;i++)\n\n {\n\n cout<<i<<endl;\n\n }\n\n for(ll i=mx;i<=b;i++)\n\n {\n\n cout<<i<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001101"}486{"label": "pie_cpp_validation_001102", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001102.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001102", "task_path": "tasks/validation/pie_cpp_validation_001102.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n for (int i = a; i <= b; i++) if ((i < a + k) || (b - k < i)) cout << i << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001102"}487{"label": "pie_cpp_validation_001103", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001103.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001103", "task_path": "tasks/validation/pie_cpp_validation_001103.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n int A,B,K;\n\n cin >> A >> B >> K;\n\n if(B-A+1>=2*K) {\n\n for(int i=A; i<A+K; i++) {\n\n cout << i << endl;\n\n }\n\n for(int i=B-K+1; i<=B; i++) {\n\n cout << i << endl;\n\n }\n\n }\n\n else {\n\n for(int i=A; i<=B; i++) {\n\n cout << i << endl;\n\n }\n\n}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001103"}488{"label": "pie_cpp_validation_001104", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001104.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001104", "task_path": "tasks/validation/pie_cpp_validation_001104.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#ifdef _DEBUG\n\n#include \"MyLib.h\"\n\n#else\n\n#define main_B main\n\n#include \"bits/stdc++.h\" \n\n#include <regex>\n\n#define _USE_MATH_DEFINES\n\n#include <math.h>\n\n#define FOR(i,s,e) for (int i = int(s); i < int(e); ++i)\n\n#define REP(i,e) FOR(i,0,e)\n\n#define INF (INT_MAX/2)\n\n#define EPS (1.0e-8)\n\n#define LINF (LONG_MAX/2)\n\nconst int MGN = 8;\n\nconst int ARY_SZ_MAX = 10000000;\n\nusing namespace std;\n\nusing ll = long long; using ull = unsigned long long;\n\nusing vi = vector<int>; using vvi = vector<vi>; using vvvi = vector<vvi>;\n\nusing vb = vector<bool>; using vvb = vector<vb>; using vvvb = vector<vvb>;\n\nusing vl = vector<ll>; using vvl = vector<vl>;\n\nusing vd = vector<double>; using vs = vector<string>;\n\nusing pii = pair<int, int>; using pll = pair<ll, ll>;\n\n// functions\n\n\n\n#endif\n\n\n\n\n\nint main_B() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n \n\n int A, B, K; cin >> A >> B >> K;\n\n\n\n vi ans; \n\n for(int i=A; i<=B; i++) {\n\n if (i-A+1 <=K || B-i+1 <=K) {\n\n ans.push_back(i);\n\n }\n\n }\n\n\n\n for(int i : ans) cout << i << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001104"}489{"label": "pie_cpp_validation_001105", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 575, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 575, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001105.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001105", "task_path": "tasks/validation/pie_cpp_validation_001105.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n \n\nint main() {\n\n int a,b,k;\n\n cin >>a>>b>>k;\n\n for(int i=a;i<=b;i++){\n\n if(i<=a+k-1||i>=b-k+1){\n\n cout<<i<<endl;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001105"}490{"label": "pie_cpp_validation_001106", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001106.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001106", "task_path": "tasks/validation/pie_cpp_validation_001106.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(nullptr);\n\n cout << fixed << setprecision(10);\n\n cerr << fixed << setprecision(10);\n\n\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n\n\n for (int i = a; i <= b; ++i) {\n\n if (i < a + k || i > b - k) {\n\n cout << i << '\\n';\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001106"}491{"label": "pie_cpp_validation_001107", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001107.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001107", "task_path": "tasks/validation/pie_cpp_validation_001107.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,N) for (int i = 0; i < (N); ++i)\n\n#define all(v) v.begin(), v.end()\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\nconst int inf{int(1e9)};\n\nint main(void){\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n\n\n for (int i = A; i <= B; i++){\n\n if (A <= i && i <= A + K - 1 || B - K + 1 <= i && i <= B){\n\n cout << i << endl;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001107"}492{"label": "pie_cpp_validation_001108", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001108.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001108", "task_path": "tasks/validation/pie_cpp_validation_001108.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n\n\n\n\nint main(void)\n\n{\n\n int a,b,k,i;\n\n scanf(\"%d%d%d\",&a,&b,&k);\n\n for(i=a;i<=b;i++){\n\n if((i<(a+k))||((b-k)<i)) printf(\"%d\\n\",i);\n\n } \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001108"}493{"label": "pie_cpp_validation_001109", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001109.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001109", "task_path": "tasks/validation/pie_cpp_validation_001109.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n//#define _GLIBCXX_DEBUG\n\n#include <bits/stdc++.h>\n\ntypedef int64_t int64;\n\ntypedef uint32_t uint;\n\ntypedef uint64_t uint64;\n\nusing namespace std;\n\n\n\n//---\n\n\n\ntemplate <typename T>\n\ninline void print(const T& rhs){ std::cout<<\" = \"<<rhs<<std::endl; }\n\ntemplate <typename T>\n\ninline void print(const std::vector<T>& rhs){\n\n std::cout<<\" = [ \";\n\n for(uint i=0; i<rhs.size(); ++i){ std::cout<<rhs[i]<<' '; }\n\n std::cout<<\"]\"<<std::endl;\n\n}\n\ntemplate <typename T>\n\ninline void print(const std::vector<std::vector<T>>& rhs){\n\n std::cout<<\" = \"<<std::endl;\n\n std::cout<<\"[[ \";\n\n for(uint p=0; p<rhs.size(); ++p){\n\n if(p!=0){ std::cout<<\" [ \"; }\n\n for(uint q=0; q<rhs[p].size(); ++q){\n\n std::cout<<rhs[p][q]<<' ';\n\n }\n\n if(p!=rhs.size()-1){ std::cout<<\"]\"<<std::endl; }\n\n }\n\n std::cout<<\"]]\"<<std::endl;\n\n}\n\ntemplate <typename TL, typename TR>\n\ninline void print(const std::vector<std::pair<TR,TL>>& rhs){\n\n std::cout<<\" = [\";\n\n uint i=0;\n\n for(; i<rhs.size()-1; ++i){ std::cout<<\"[f: \"<<rhs[i].first<<\", s: \"<<rhs[i].second<<\"], \"; }\n\n std::cout<<\"[f: \"<<rhs[i].first<<\", s: \"<<rhs[i].second<<\"]]\" << endl;\n\n}\n\n#define printn(var) {printf(\"%s\", #var);print(var);}\n\n#define printn_all(var) {printf(\"%s(%d): \", __func__, __LINE__);printf(\"%s\", #var);print(var);}\n\n\n\n//---\n\n\n\nint main(){\n\n ios_base::sync_with_stdio(false);\n\n cin.tie(NULL);\n\n\n\n string s;\n\n \n\n int A, B, K; cin >> A >> B >> K;\n\n for(int i=A; i<=B; ++i){\n\n if(i<A+K){ s += to_string(i) + '\\n'; continue; }\n\n if(i>B-K){ s += to_string(i) + '\\n'; continue; }\n\n }\n\n \n\n cout << s << endl;\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001109"}494{"label": "pie_cpp_validation_001110", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001110.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001110", "task_path": "tasks/validation/pie_cpp_validation_001110.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<cctype>\n\nusing namespace std;\n\n#define rep(i,n) for (int i=0;i<(n);i++)\n\n#define all(v) (v).begin(),(v).end()\n\ntypedef long long int ll;\n\n#define pi 3.1415926535897932384\n\n#define E9 1000000000\n\n#define eps 1e-4\n\n#define pii pair<int,int>\n\n\n\n\n\nint main(){\n\n int A, B, K; cin >> A >> B >> K;\n\n for (int i=A;i<=B;i++){\n\n if (i-A<K || B-i<K) cout << i << endl;\n\n }\n\n\n\n // cout << fixed << setprecision(6);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001110"}495{"label": "pie_cpp_validation_001111", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001111.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001111", "task_path": "tasks/validation/pie_cpp_validation_001111.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n int A,B,K;\n\n cin >> A >> B >> K;\n\n if(B-A>2*(K-1)){\n\n for(int i=A;i<A+K;++i) cout << i << endl;\n\n for(int i=B-K+1;i<=B;++i) cout << i << endl;\n\n }\n\n else{\n\n for(int i=A;i<=B;++i) cout << i << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001111"}496{"label": "pie_cpp_validation_001112", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001112.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001112", "task_path": "tasks/validation/pie_cpp_validation_001112.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<algorithm>\n\n#include<vector>\n\n#include<cmath>\n\n\n\n#define rep(i, n) for(int i=0;i<n;i++)\n\n\n\nusing namespace std;\n\nint main() {\n\n\n\n\tint a, b, c;\n\n\tcin >> a >> b >> c;\n\n\n\n\tfor (int i = a; i <= b; i++){\n\n\t\tif (abs(a - i) < c)\n\n\t\t\tcout << i << endl;\n\n\t\telse if (abs(b - i) < c)\n\n\t\t\tcout << i << endl;\n\n\t}\n\n\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001112"}497{"label": "pie_cpp_validation_001113", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001113.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001113", "task_path": "tasks/validation/pie_cpp_validation_001113.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint a, b, k;\n\n\tcin >> a >> b >> k;\n\n\n\n\tfor (int i = a; i <= b; i++) {\n\n\t\tif (i < a + k || b - k < i) cout << i << endl;\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001113"}498{"label": "pie_cpp_validation_001114", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001114.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001114", "task_path": "tasks/validation/pie_cpp_validation_001114.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n\n\n#define int long long\n\n\n\n#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)\n\n#define REPS(i,n) for(int i=1, i##_len=(n); i<=i##_len; ++i)\n\n\n\n#define INF (1e9)\n\n\n\nusing namespace std;\n\n\n\nint A, B, K;\n\n\n\nsigned main()\n\n{\n\n cin >> A >> B >> K;\n\n int aa = min(A + K - 1, B);\n\n int bb = max(A, B - K + 1);\n\n\n\n for (int i = A; i <= B; ++i)\n\n {\n\n if (i <= aa || bb <= i)\n\n {\n\n cout << i << endl;\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001114"}499{"label": "pie_cpp_validation_001115", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001115.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001115", "task_path": "tasks/validation/pie_cpp_validation_001115.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define REP(i, n) for(int i = 0; i < n; i++)\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n set<int> s;\n\n int cnt = 1;\n\n int i = a;\n\n int j = b;\n\n while(a <= i && i <= b) {\n\n s.insert(i);\n\n i++;\n\n cnt++;\n\n if(cnt > k) break;\n\n }\n\n cnt = 1;\n\n while(a <= j && j <= b) {\n\n s.insert(j);\n\n j--;\n\n cnt++;\n\n if(cnt > k) break;\n\n }\n\n for(auto x : s) {\n\n cout << x << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001115"}500{"label": "pie_cpp_validation_001116", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001116.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001116", "task_path": "tasks/validation/pie_cpp_validation_001116.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vl = vector<ll>;\n\nusing vvl = vector<vl>;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\n#define ote(x) cout<<(x)<<endl\n\n#define all(x) (x).begin(),(x).end()\n\n#define rp(i,s,e) for(int i=(s);i<(e);++i)\n\n#define rpz(i,e) rp(i,0,e)\n\n\n\nint main(){\n\n\tint A,B,K;\n\n\tcin>>A>>B>>K;\n\n\n\n\tset<int> S;\n\n\tfor(int a=A,i=0; i<K && a<=B; ++i,++a){\n\n\t\tS.insert(a);\n\n\t}\n\n\tfor(int b=B,i=0; i<K && b>=A; ++i,--b){\n\n\t\tS.insert(b);\n\n\t}\n\n\tfor(auto s:S) ote(s);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001116"}501{"label": "pie_cpp_validation_001117", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001117.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001117", "task_path": "tasks/validation/pie_cpp_validation_001117.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nusing pll = pair<ll, ll>;\n\n#define rep(i, n) for(ll i = 0; i < n; i++)\n\n#define Rep(i, m, n) for(ll i = m; i < n; i++)\n\n#define all(vec) vec.begin(), vec.end()\n\n#define tmax(x, y, z) max((x), max((y), (z)))\n\n#define tmin(x, y, z) min((x), min((y), (z)))\n\n#define MINUS(a) memset(a, 0xff, sizeof(a))\n\n#define ZERO(a) memset(a, 0, sizeof(a))\n\nconst ll INF = 1LL << 60;\n\nconst ll MM = 1000000000; const ll MOD = MM + 7; const ll MMM=9223372036854775807;//2^63 -1\n\n#define ADD(a,b) a = (a + ll(b)) % MOD\n\n#define MUL(a,b) a = (a * ll(b)) % MOD\n\nll GCD(ll x, ll y){ if(y == 0) return x; else return GCD(y, x % y);}\n\nll LCM(ll x, ll y){ return x / GCD(x, y) * y;}\n\ntemplate<class T> inline bool chmin(T& a, T b){ if(a > b){ a = b; return true;} return false;}\n\ntemplate<class T> inline bool chmax(T& a, T b){ if(a < b){ a = b; return true;} return false;}\n\ntemplate<typename A, size_t N, typename T> void FILL(A (&array)[N], const T &val){ fill( (T*)array, (T*)(array+N), val );}\n\nusing Graph = vector<vector<ll>>;\n\nll dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};\n\nll ddx[8] = {1, 1, 0, -1, -1, -1, 0, 1}, ddy[8] = {0, 1, 1, 1, 0, -1, -1, -1};\n\n//cout << fixed << setprecision(10);\n\n\n\n\n\nint main(){\n\n ll a, b, k;\n\n cin >> a >> b >> k;\n\n if((b - a + 1) >= 2*k){\n\n Rep(i, a, a+k){\n\n cout << i << endl;\n\n }\n\n Rep(i, b-k+1, b+1){\n\n cout << i << endl;\n\n }\n\n }\n\n else{\n\n Rep(i, a, b+1){\n\n cout << i << endl;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001117"}502{"label": "pie_cpp_validation_001118", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001118.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001118", "task_path": "tasks/validation/pie_cpp_validation_001118.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<math.h>\n\n#include<cstdio>\n\n#include<ctype.h>\n\n#include<stdio.h>\n\n#include<set>\n\n#include<vector>\n\n#include<map>\n\n#include<functional>\n\n#include<iomanip>\n\n#include<queue>\n\n#include<ciso646>\n\n#include<random>\n\n#include<numeric>\n\n#include<string>\n\ntypedef long long ll;\n\nusing namespace std;\n\n\n\nll gcd(ll a, ll b){\n\nif(a<b){return gcd(b,a);}\n\nelse if(a%b){return gcd(b,a%b);}\n\nelse{return b;}\n\n}\n\nint main(){\n\n ll a,b,k;\n\n cin>>a>>b>>k;\n\n for(int i=a; i<=b; ++i)\n\n if(i<a+k||i>b-k)\n\n cout<<i<<endl;\n\n }\n```", "split": "validation", "task_id": "pie_cpp_validation_001118"}503{"label": "pie_cpp_validation_001119", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001119.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001119", "task_path": "tasks/validation/pie_cpp_validation_001119.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<set>\n\nusing namespace std;\n\n#define REP(i,n) for(int i=0;i<(n);i++)\n\n int A,B,K;set<int> S;\n\nint main(){\n\n cin>>A>>B>>K;\n\n REP(i,K){\n\n if(A+i<=B)S.insert(A+i);\n\n if(A<=B-i)S.insert(B-i);\n\n }\n\n for(auto x:S)cout<<x<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001119"}504{"label": "pie_cpp_validation_001120", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001120.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001120", "task_path": "tasks/validation/pie_cpp_validation_001120.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define REP(i, n) for(int i = 0; i < n; i++)\n\n#define REPR(i, n) for(int i = n; i >= 0; i--)\n\n#define FOR(i, m, n) for (int i = m; i < n; i++)\n\n#define INF 2e9\n\n#define ALL(v) v.begin(), v.end()\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef vector<ll> vll;\n\ntypedef vector<vll> vvll;\n\n\n\n\n\nint main()\n\n{\n\n ll a, b, k;\n\n cin >> a >> b >> k;\n\n if (b - a + 1 <= 2 * k) {\n\n for (int i = a; i <= b; i++) {\n\n cout << i << endl;\n\n }\n\n return 0;\n\n }\n\n for (ll i = a; i < a + k; i++) {\n\n cout << i << endl;\n\n }\n\n for (ll i = b - k + 1; i <= b; i++) {\n\n cout << i << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001120"}505{"label": "pie_cpp_validation_001121", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001121.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001121", "task_path": "tasks/validation/pie_cpp_validation_001121.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define _GLIBCXX_DEBUG\n\n#define rep(i,n) for(int i=0;i<n;i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\nint main(){\n\n int a,b,k;\n\n cin >> a >> b >> k;\n\n for(int i=a;i<=b;i++){\n\n if(i<a+k) cout << i << endl;\n\n else if(i>b-k) cout << i << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001121"}506{"label": "pie_cpp_validation_001122", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001122.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001122", "task_path": "tasks/validation/pie_cpp_validation_001122.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for (int i = 0; i < (n); i++) \n\n#define all(v) begin(v),end(v)\n\nusing ll = long long;\n\n\n\nint main() {\n\n int a,b,k;cin>>a>>b>>k;\n\n if(b-a+1>=2*k){\n\n for(int i=a;i<a+k;i++)cout<<i<<endl;\n\n for(int i=b-k+1;i<=b;i++)cout<<i<<endl;\n\n }\n\n else {\n\n for(int i=a;i<=b;i++)cout<<i<<endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001122"}507{"label": "pie_cpp_validation_001123", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001123.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001123", "task_path": "tasks/validation/pie_cpp_validation_001123.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n// need\n\n#include <iostream>\n\n#include <algorithm>\n\n\n\n// data structure\n\n#include <bitset>\n\n#include <map>\n\n#include <queue>\n\n#include <set>\n\n#include <stack>\n\n#include <string>\n\n#include <utility>\n\n#include <vector>\n\n#include <complex>\n\n//#include <deque>\n\n#include <valarray>\n\n#include <list>\n\n\n\n// stream\n\n//#include <istream>\n\n//#include <sstream>\n\n//#include <ostream>\n\n#include <fstream>\n\n\n\n// etc\n\n#include <cassert>\n\n#include <cmath>\n\n#include <functional>\n\n#include <iomanip>\n\n#include <chrono>\n\n#include <random>\n\n#include <numeric>\n\n\n\n// input\n\n#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);\n\n#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);\n\ntemplate<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }\n\ntemplate<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest&...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }\n\n#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int i=0; i<n; ++i){MACRO_VEC_ROW_Scan(i, __VA_ARGS__);}\n\ntemplate<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }\n\ntemplate<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest&...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }\n\ntemplate<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }\n\ntemplate<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest&...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }\n\n#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;\n\n#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i;\n\n\n\n// output\n\n#define OUT(d) std::cout<<(d);\n\n#define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<(d);\n\n#define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<(d);\n\n#define SP std::cout<<\" \";\n\n#define TAB std::cout<<\"\\t\";\n\n#define BR std::cout<<\"\\n\";\n\n#define SPBR(i, n) std::cout<<(i + 1 == n ? '\\n' : ' ');\n\n#define ENDL std::cout<<std::endl;\n\n#define FLUSH std::cout<<std::flush;\n\n#define SHOW(d) {std::cerr << #d << \"\\t:\" << (d) << \"\\n\";}\n\n#define SHOWVECTOR(v) {std::cerr << #v << \"\\t:\";for(const auto& xxx : v){std::cerr << xxx << \" \";}std::cerr << \"\\n\";}\n\n#define SHOWVECTOR2(v) {std::cerr << #v << \"\\t:\\n\";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << \" \";}std::cerr << \"\\n\";}}\n\n#define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << \"\\t:\";while(!tmp.empty()){std::cerr << tmp.front() << \" \";tmp.pop();}std::cerr << \"\\n\";}\n\n\n\n// utility\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define FOR(i, a, b) for(int i=(a);i<(b);++i)\n\n#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)\n\n#define REP(i, n) for(int i=0;i<int(n);++i)\n\n#define RREP(i, n) for(int i=int(n)-1;i>=0;--i)\n\n#define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i)\n\n#define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i)\n\n#define REPLL(i, n) for(ll i=0;i<ll(n);++i)\n\n#define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i)\n\n#define IN(a, x, b) (a<=x && x<b)\n\ntemplate<typename T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; }\n\ntemplate<typename T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }\n\n#define EXCEPTION(msg) throw std::string(\"Exception : \" msg \" [ in \") + __func__ + \" : \" + std::to_string(__LINE__) + \" lines ]\"\n\n#define TRY(cond, msg) try {if (cond) EXCEPTION(msg);}catch (std::string s) {std::cerr << s << std::endl;}\n\nvoid CHECKTIME(std::function<void()> f) { auto start = std::chrono::system_clock::now(); f(); auto end = std::chrono::system_clock::now(); auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start)).count(); std::cerr << \"[Time:\" << res << \"ns (\" << res / (1.0e9) << \"s)]\\n\"; }\n\n\n\n// test\n\ntemplate<class T> std::vector<std::vector<T>> VV(int n, int m, T init = T()) {\n\n\treturn std::vector<std::vector<T>>(n, std::vector<T>(m, init));\n\n}\n\ntemplate<typename S, typename T>\n\nstd::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {\n\n\tos << \"(\" << p.first << \", \" << p.second << \")\"; return os;\n\n}\n\n\n\n// type/const\n\n//#define int ll\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing ld = long double;\n\nusing PAIR = std::pair<int, int>;\n\nusing PAIRLL = std::pair<ll, ll>;\n\nconstexpr int INFINT = 1 << 30; // 1.07x10^ 9\n\nconstexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9\n\nconstexpr ll INFLL = 1LL << 60; // 1.15x10^18\n\nconstexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18\n\nconstexpr double EPS = 1e-9;\n\nconstexpr int MOD = 1000000007;\n\nconstexpr double PI = 3.141592653589793238462643383279;\n\n\n\ntemplate<class T, size_t N> void FILL(T(&a)[N], const T& val) { for (auto& x : a) x = val; }\n\ntemplate<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T& val) { for (auto& b : a) FILL(b, val); }\n\ntemplate<class T> void FILL(std::vector<T>& a, const T& val) { for (auto& x : a) x = val; }\n\ntemplate<class ARY, class T> void FILL(std::vector<std::vector<ARY>>& a, const T& val) { for (auto& b : a) FILL(b, val); }\n\n\n\n// ------------>8------------------------------------->8------------\n\n\n\n\n\n\n\nsigned main() {\n\n\tINIT;\n\n\n\n\tVAR(int, a, b, k);\n\n\tFOR(i, a, b + 1) {\n\n\t\tif (IN(a, i, a + k) || IN(b - k + 1, i, b + 1)) {\n\n\t\t\tOUT(i)BR;\n\n\t\t}\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001123"}508{"label": "pie_cpp_validation_001124", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001124.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001124", "task_path": "tasks/validation/pie_cpp_validation_001124.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n \n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main() {\n\n ios::sync_with_stdio(0); \n\n cin.tie(0); \n\n\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n\n\n vector<int> res;\n\n for (int i = a; i <= b; ++i) {\n\n if (i < a + k || i > b - k) res.push_back(i);\n\n }\n\n\n\n for (int x: res) cout << x << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001124"}509{"label": "pie_cpp_validation_001125", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001125.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001125", "task_path": "tasks/validation/pie_cpp_validation_001125.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cassert>\n\n#include <iostream>\n\n#include <map>\n\n#include <queue>\n\n#include <set>\n\n#include <vector>\n\n\n\n#include <limits.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\ntemplate<class T>\n\ninline bool chmax(T &a, T b) {\n\n if(a < b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\n\n\ntemplate<class T>\n\ninline bool chmin(T &a, T b) {\n\n if(a > b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\n\n\nint main(void) {\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n\n\n set<int> ans;\n\n for (int i = A; i <= min(A + (K - 1), B); i++) {\n\n ans.insert(i);\n\n }\n\n for (int i = B; i >= max(A, B - (K - 1)); i--) {\n\n ans.insert(i);\n\n }\n\n\n\n for (auto x : ans) {\n\n cout << x << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001125"}510{"label": "pie_cpp_validation_001126", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 852, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 852, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001126.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001126", "task_path": "tasks/validation/pie_cpp_validation_001126.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <iterator>\n\n#include <algorithm>\n\n#include <string>\n\n#include <map>\n\n#include <list>\n\nusing namespace std;\n\n\n\nint main() {\n\n long long a,b;\n\n int k;\n\n cin >> a >> b >> k;\n\n\n\n int count=0;\n\n for(int j=a; j <= b; ++j){\n\n if(j >= a && j <= b){\n\n if(count < k || count > b-a-k) cout << j << endl;\n\n count++;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001126"}511{"label": "pie_cpp_validation_001127", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001127.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001127", "task_path": "tasks/validation/pie_cpp_validation_001127.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int a,b,k;\n\n cin >> a >> b >> k;\n\n int count = 1;\n\n for(int i = a; i <= b; i++){\n\n if(count <= k || b-a+1-count+1 <= k){\n\n cout << i << endl;\n\n }\n\n count++;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001127"}512{"label": "pie_cpp_validation_001128", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001128.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001128", "task_path": "tasks/validation/pie_cpp_validation_001128.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, a, n) for (int i = a; i < n; i++)\n\n#define repr(i, a, n) for (int i = n - 1; i >= a; i--)\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\ntemplate <typename T> void chmin(T &a, T b) { a = min(a, b); }\n\ntemplate <typename T> void chmax(T &a, T b) { a = max(a, b); }\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n rep(i, a, b + 1) {\n\n if (i - a + 1 <= k || b - k < i)\n\n cout << i << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001128"}513{"label": "pie_cpp_validation_001129", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001129.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001129", "task_path": "tasks/validation/pie_cpp_validation_001129.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\nint a,b,k;\n\n cin>>a>>b>>k;\n\n\n\n for(int i=a; i<=min(b, a+k-1); i++){\n\n cout<<i<<endl;}\n\n for(int i=max(b-k+1, a+k); i<=b; i++){ // \u521d\u671f\u5024\u3088\u308a\u7d42\u4e86\u6761\u4ef6\u306e\u307b\u3046\u304c\u5c0f\u3055\u3044\u304b\u3089\u3001\n\n cout<<i<<endl;} // \u3053\u3053\u306e\u51e6\u7406\u306f\u884c\u308f\u308c\u306a\u3044\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001129"}514{"label": "pie_cpp_validation_001130", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001130.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001130", "task_path": "tasks/validation/pie_cpp_validation_001130.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <cmath>\n\n#include <map>\n\n#include <utility>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nint main(void){\n\n\n\n long long int a, b, k;\n\n cin>>a>>b>>k;\n\n \n\n vector<long long int> c;\n\n \n\n int t=a+k<b?a+k:b;\n\n for(int i=a; i<t; i++){\n\n c.push_back(i);\n\n }\n\n \n\n t=b-k+1>a?b-k+1:a;\n\n for(int i=t; i<=b; i++){\n\n c.push_back(i);\n\n }\n\n sort(c.begin(), c.end());\n\n int offset=0;\n\n \n\n for(int i=1; i<c.size(); i++){\n\n if(c[i-1]==c[i]){\n\n c[i-1]=-1;\n\n offset++;\n\n }\n\n }\n\n \n\n sort(c.begin(), c.end());\n\n \n\n for(int i=offset; i<c.size(); i++){\n\n cout<<c[i]<<endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001130"}515{"label": "pie_cpp_validation_001131", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001131.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001131", "task_path": "tasks/validation/pie_cpp_validation_001131.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\n#include <set>\n\n#include <numeric>\n\n#include <climits>\n\n#define REP(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define FOR(i, k, n) for(int i = (k); i < (int)(n); i++)\n\nusing namespace std;\n\nusing ll = long long;\n\nint main(){\n\n ll A, B, K;\n\n cin >> A >> B >> K;\n\n for(ll i = A; i <= B; i++){\n\n if(i < A + K)\n\n cout << i << endl;\n\n else if(i > B - K)\n\n cout << i << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001131"}516{"label": "pie_cpp_validation_001132", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001132.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001132", "task_path": "tasks/validation/pie_cpp_validation_001132.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <set>\n\nusing namespace std;\n\nint main()\n\n{\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n set<int> st;\n\n for (int i = A; i <= min(A + K - 1, B); i++)\n\n st.insert(i);\n\n for (int i = B; i >= max(B - K + 1, A); i--)\n\n st.insert(i);\n\n for (auto a : st)\n\n cout << a << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001132"}517{"label": "pie_cpp_validation_001133", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001133.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001133", "task_path": "tasks/validation/pie_cpp_validation_001133.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n vector<int> ans(100);\n\n \n\n if (k * 2 > b - a)\n\n {\n\n for (int i = a; i <= b; i++)\n\n {\n\n cout << i << endl;\n\n }\n\n return 0;\n\n }\n\n else\n\n {\n\n for (int i = a; i < a + k; i++)\n\n {\n\n cout << i << endl;\n\n }\n\n for (int i = b + 1 - k; i < b + 1; i++)\n\n {\n\n cout << i << endl;\n\n }\n\n return 0;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001133"}518{"label": "pie_cpp_validation_001134", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001134.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001134", "task_path": "tasks/validation/pie_cpp_validation_001134.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <string>\n\n#include <iomanip>\n\n#include <cmath>\n\n#include <map>\n\n#include <ctype.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nint dx[4] = { 0, -1, 1, 0 };\n\nint dy[4] = { -1, 0, 0, 1 };\n\n\n\nint m[1010];\n\n\n\nint main() {\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n for (int i = a; i <= b; ++i) {\n\n if (i < a + k || i > b - k) {\n\n cout << i << endl;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001134"}519{"label": "pie_cpp_validation_001135", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001135.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001135", "task_path": "tasks/validation/pie_cpp_validation_001135.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define REP(i,n) for(int i=0;i<(n);i++)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define int long long\n\nusing namespace std;\n\ntypedef vector<int> vint;\n\ntypedef pair<int,int> pint;\n\n\n\nsigned main()\n\n{\n\n int A,B,K; \n\n cin>>A>>B>>K;\n\n\n\n set<int> st;\n\n REP(i,K) if(A+i<=B) st.insert(A+i);\n\n REP(i,K) if(B-i>=A) st.insert(B-i);\n\n for(auto x:st) cout<<x<<endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001135"}520{"label": "pie_cpp_validation_001136", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001136.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001136", "task_path": "tasks/validation/pie_cpp_validation_001136.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nint main(){\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n for(int i=A;i<=B;i++)\n\n if((0<=i-A && i-A<=K-1)||(0<=B-i && B-i<=K-1))cout << i << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001136"}521{"label": "pie_cpp_validation_001137", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001137.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001137", "task_path": "tasks/validation/pie_cpp_validation_001137.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n\n\n for (int i = a; i <= b; ++i) {\n\n if (i < a+k || i > b-k) \n\n cout << i << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001137"}522{"label": "pie_cpp_validation_001138", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001138.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001138", "task_path": "tasks/validation/pie_cpp_validation_001138.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nint main() {\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n if (b - a + 1 < 2 * k) {\n\n rep(i, b - a + 1) {\n\n cout << a + i << endl;\n\n }\n\n }\n\n else {\n\n rep(i, k) {\n\n cout << a + i << endl;\n\n }\n\n rep(i, k) {\n\n cout << b - (k - 1) + i << endl;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001138"}523{"label": "pie_cpp_validation_001139", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001139.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001139", "task_path": "tasks/validation/pie_cpp_validation_001139.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main() {\n\n int A,B,K;\n\n cin >> A >> B >> K;\n\n if ( B-A+1 >= 2 * K ) {\n\n for ( int i = 0; i < K; i++ ) {\n\n cout << A+i << endl;\n\n }\n\n for ( int i = K-1; i>=0;i--) {\n\n cout << B-i << endl;\n\n }\n\n }else {\n\n for ( int i = A; i <= B; i++ ) {\n\n cout << i << endl;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001139"}524{"label": "pie_cpp_validation_001140", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001140.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001140", "task_path": "tasks/validation/pie_cpp_validation_001140.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint a, b, k;\n\n\tcin >> a >> b >> k;\n\n\n\n\tfor (int i = a; i <= b; i++)\n\n\t{\n\n\t\tif (i < a + k || b - k < i)cout << i << endl;\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001140"}525{"label": "pie_cpp_validation_001141", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001141.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001141", "task_path": "tasks/validation/pie_cpp_validation_001141.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nint a,b,k;\n\nbool c[1000000000];\n\nint main()\n\n{\n\n\tscanf(\"%d%d%d\",&a,&b,&k);\n\n\tint t=k;\n\n\tfor(int i=a;i<=b&&t--;i++)\n\n\t\tc[i]=1;\n\n\tfor(int i=b;i>=a&&k--;i--)\n\n\t\tc[i]=1;\n\n\tfor(int i=a;i<=b;i++)\n\n\t\tif(c[i])\n\n\t\t\tprintf(\"%d\\n\",i);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001141"}526{"label": "pie_cpp_validation_001142", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001142.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001142", "task_path": "tasks/validation/pie_cpp_validation_001142.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <map>\n\nusing namespace std;\n\nint main() {\n\n int n,m,k;\n\n cin>>n>>m>>k;\n\n if(m-n+1<2*k){\n\n \tfor(int i=n;i<=m;i++){\n\n \t\tcout<<i<<endl;\n\n\t\t}\n\n\t}else{\n\n\t\tfor(int i=n;i<=n+k-1;i++){\n\n \t\tcout<<i<<endl;\n\n\t\t}\n\n\t\tfor(int i=m-k+1;i<=m;i++){\n\n \t\tcout<<i<<endl;\n\n\t\t}\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001142"}527{"label": "pie_cpp_validation_001143", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001143.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001143", "task_path": "tasks/validation/pie_cpp_validation_001143.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <deque>\n\n#include <vector>\n\n#include <queue>\n\n#include <string>\n\n#include <cstring>\n\n#include <map>\n\n#include <stack>\n\n#include <set>\n\nusing namespace std;\n\nint main(){\n\n\tint a,b,k,i,j;\n\n\tcin>>a>>b>>k;\n\n\tif(2*k>=(b-a+1)){\n\n\t\tfor(i=a;i<=b;i++){\n\n\t\t\tcout<<i<<endl;\n\n\t\t}\n\n\t}else{\n\n\t\tfor(i=0,j=a;i<k;i++,j++){\n\n\t\t\tcout<<j<<endl;\n\n\t\t}\n\n\t\tfor(i=0,j=b-k+1;i<k;i++,j++){\n\n\t\t\tcout<<j<<endl;\n\n\t\t}\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001143"}528{"label": "pie_cpp_validation_001144", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001144.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001144", "task_path": "tasks/validation/pie_cpp_validation_001144.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n long long int r,l,k,c=0;\n\n cin>>r>>l>>k;\n\n if(k>(l-r+1)) k=l-r+1;\n\n vector<long long int>v,u;\n\n set<long long int>s;\n\n set<long long int>:: iterator it;\n\n for(long long int i=r;i<(r+k);i++)\n\n {\n\n v.push_back(i);\n\n }\n\n for(long long int i=l;i>(l-k);i--)\n\n {\n\n v.push_back(i);\n\n }\n\n sort(v.begin(),v.end());\n\n for(long long int i=0;i<v.size();i++)\n\n {\n\n s.insert(v[i]);\n\n }\n\n for( it=s.begin();it!=s.end();it++)\n\n {\n\n cout<<*it<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001144"}529{"label": "pie_cpp_validation_001145", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001145.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001145", "task_path": "tasks/validation/pie_cpp_validation_001145.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\nint main()\n\n{\n\nll a,b,c,d,e,i,j,k,l;\n\ncin>>a>>b>>c;\n\ne=abs(a-b);\n\nif(e/2>=c)\n\n{\n\nfor(i=a;i<a+c;i++)\n\ncout<<i<<endl;\n\nfor(i=b-c+1;i<=b;i++)\n\ncout<<i<<endl;\n\n}\n\nelse\n\n{\n\nfor(i=a;i<=b;i++)\n\ncout<<i<<endl;}\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001145"}530{"label": "pie_cpp_validation_001146", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001146.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001146", "task_path": "tasks/validation/pie_cpp_validation_001146.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nint main() {\n\n int A, B, K;\n\n cin >> A >> B >> K;\n\n\n\n if(B-K+1 <= A+K) {\n\n for(int i = A; i <= B; i++) {\n\n cout << i << \"\\n\";\n\n }\n\n }\n\n else {\n\n for(int i = A; i <= A+K-1; i++) {\n\n cout << i << \"\\n\";\n\n }\n\n for(int i = B-K+1; i <= B; i++) {\n\n cout << i << \"\\n\";\n\n }\n\n }\n\n\n\n cout << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001146"}531{"label": "pie_cpp_validation_001147", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001147.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001147", "task_path": "tasks/validation/pie_cpp_validation_001147.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int a = 0, b = 0, k = 0, i = 0, x = 0, s = 0;\n\n cin >> a >> b >> k;\n\n for(i = a; i <= b; i++)\n\n {\n\n cout << i << endl;\n\n x++;\n\n if(x == k)\n\n {\n\n break;\n\n }\n\n }\n\n if(b - k + 1 > a + k - 1)\n\n {\n\n s = b - k + 1;\n\n }\n\n else\n\n {\n\n s = a + k;\n\n }\n\n\n\n for(i = s; i <= b; i++)\n\n {\n\n cout << i << endl;\n\n }\n\n\n\n\n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001147"}532{"label": "pie_cpp_validation_001148", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001148.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001148", "task_path": "tasks/validation/pie_cpp_validation_001148.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for (int i = (0); i < (n); ++i)\n\n#define rrep(i,n) for(int i = 1; i <= (n); ++i)\n\n#define drep(i,n) for(int i = (n)-1; i >= 0; --i)\n\n#define srep(i,s,t) for (int i = s; i < t; ++i)\n\n#define rng(x) (x).begin(),(x).end()\n\n#define rrng(x) (x).rbegin(),(x).rend()\n\n#define limit(x,l,r) max(l,min(x,r))\n\n#define lims(x,l,r) (x = max(l,min(x,r)))\n\n#define isin(x,l,r) ((l) <= (x) && (x) < (r))\n\n#define show(x) cout << #x << \" = \" << (x) << endl\n\n#define show2(x,y) cout << #x << \" = \" << (x) << \", \" << #y << \" = \" << (y) << endl\n\n#define show3(x,y,z) cout << #x << \" = \" << (x) << \", \" << #y << \" = \" << (y) << \", \" << #z << \" = \" << (z) << endl\n\n#define showv(v) rep(i,v.size()) printf(\"%d%c\", v[i], i==v.size()-1?'\\n':' ')\n\n#define showv2(v) rep(j,v.size()) showv(v[j])\n\n#define showt(t,n) rep(i,n) printf(\"%d%c\", t[i], i==n-1?'\\n':' ')\n\n#define showt2(t,r,c) rep(j,r) showt(t[j],c)\n\n#define showvp(p) rep(i,p.size()) printf(\"%d %d\\n\", p[i].first, p[i].second);\n\n#define printv(v) rep(i,v.size()) printf(\"%d\\n\", v[i])\n\n#define printt(t,n) rep(i,n) printf(\"%d\\n\", t[i])\n\n#define incl(v,x) find(rng(v),x)!=v.end()\n\n#define incls(s,c) s.find(c)!=string::npos\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define pcnt __builtin_popcountll\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\n#define newline puts(\"\")\n\n#define uni(x) x.erase(unique(rng(x)),x.end())\n\n#define SP << \" \" <<\n\n#define v(T) vector<T>\n\n#define vv(T) v(v(T))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing pii = pair<int, int>;\n\nusing tiii = tuple<int, int, int>;\n\ntypedef vector<pii> vp;\n\ntypedef vector<tiii> vt;\n\nconst int mod = 1000000007;\n\nconst double EPS = 1e-9;\n\nconst int INF = (1<<30)-1;\n\nconst ll INFLL = (1LL<<62)-1;\n\n#define dame { puts(\"No\"); return 0;}\n\n#define yn {puts(\"Yes\");}else{puts(\"No\");}\n\ninline int in() { int x; scanf(\"%d\",&x); return x;}\n\ntemplate<typename T>inline ll suma(const v(T)& a) { ll res(0); for (auto&& x : a) res += x; return res;}\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nint main () {\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n for (int i = a; i <= b; ++i) {\n\n if (i <= a+k-1 || b-k+1 <= i) cout << i << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001148"}533{"label": "pie_cpp_validation_001149", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001149.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001149", "task_path": "tasks/validation/pie_cpp_validation_001149.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for (int i = (0); i < (n); ++i)\n\n#define rrep(i,n) for(int i = 1; i <= (n); ++i)\n\n#define drep(i,n) for(int i = (n)-1; i >= 0; --i)\n\n#define srep(i,s,t) for (int i = s; i < t; ++i)\n\n#define rng(x) (x).begin(),(x).end()\n\n#define rrng(x) (x).rbegin(),(x).rend()\n\n#define limit(x,l,r) max(l,min(x,r))\n\n#define lims(x,l,r) (x = max(l,min(x,r)))\n\n#define isin(x,l,r) ((l) <= (x) && (x) < (r))\n\n#define show(x) cout << #x << \" = \" << (x) << endl\n\n#define show2(x,y) cout << #x << \" = \" << (x) << \", \" << #y << \" = \" << (y) << endl\n\n#define show3(x,y,z) cout << #x << \" = \" << (x) << \", \" << #y << \" = \" << (y) << \", \" << #z << \" = \" << (z) << endl\n\n#define showv(v) rep(i,v.size()) printf(\"%d%c\", v[i], i==v.size()-1?'\\n':' ')\n\n#define showv2(v) rep(j,v.size()) showv(v[j])\n\n#define showt(t,n) rep(i,n) printf(\"%d%c\", t[i], i==n-1?'\\n':' ')\n\n#define showt2(t,r,c) rep(j,r) showt(t[j],c)\n\n#define showvp(p) rep(i,p.size()) printf(\"%d %d\\n\", p[i].first, p[i].second);\n\n#define printv(v) rep(i,v.size()) printf(\"%d\\n\", v[i])\n\n#define printt(t,n) rep(i,n) printf(\"%d\\n\", t[i])\n\n#define incl(v,x) find(rng(v),x)!=v.end()\n\n#define incls(s,c) s.find(c)!=string::npos\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define pcnt __builtin_popcountll\n\n#define bit(n,k) ((n>>k)&1) // n\u306ek bit\u76ee\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\n#define newline puts(\"\")\n\n#define uni(x) x.erase(unique(rng(x)),x.end())\n\n#define SP << \" \" <<\n\n#define v(T) vector<T>\n\n#define vv(T) v(v(T))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vl = vector<ll>;\n\nusing vs = vector<string>;\n\nusing P = pair<int, int>;\n\nusing T = tuple<int, int, int>;\n\nusing vp = vector<P>;\n\nusing vt = vector<T>;\n\nconst int mod = 1000000007;\n\nconst double EPS = 1e-9;\n\n//const long double EPS = 1e-14;\n\nconst int INF = (1<<30)-1;\n\n//const ll INF = (1LL<<62)-1;\n\n#define dame { puts(\"No\"); return 0;}\n\n#define yn {puts(\"Yes\");}else{puts(\"No\");}\n\ninline int in() { int x; scanf(\"%d\",&x); return x;}\n\n//template<class T = int> inline T in() { T x; cin >> x; return (x);}\n\ntemplate<typename T>inline ll suma(const v(T)& a) { ll res(0); for (auto&& x : a) res += x; return res;}\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nint main () {\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n int n = b-a+1;\n\n if (k < a+(n-1)/2) {\n\n for (int i = a; i <= b; i++) {\n\n if (i <= a+k-1 || b-(k-1) <= i) {\n\n printf(\"%d\\n\", i);\n\n } \n\n }\n\n }\n\n else {\n\n for (int i = a; i <= b; i++) {\n\n printf(\"%d\\n\", i);\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001149"}534{"label": "pie_cpp_validation_001150", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001150.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001150", "task_path": "tasks/validation/pie_cpp_validation_001150.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nusing namespace std;\n\nint main()\n\n{\n\n long long int A,B,K,i;\n\n\n\n while(scanf(\"%lld%lld%lld\",&A,&B,&K)!=EOF)\n\n {\n\n for(i=A;i<=B;i++)\n\n if(i<A+K||i>B-K)\n\n printf(\"%d\\n\",i);\n\n\n\n\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001150"}535{"label": "pie_cpp_validation_001151", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001151.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001151", "task_path": "tasks/validation/pie_cpp_validation_001151.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <string>\n\n#include <map>\n\n#include <set>\n\n#include <cstring>\n\nusing namespace std;\n\nconst int maxn=200005;\n\nset<int>s;\n\nint main()\n\n{\n\n int a,b,k;\n\n cin>>a>>b>>k;\n\n int cnt1=1;\n\n int cnt2=1;\n\n for(int i=a;cnt1<=k;i++)\n\n {\n\n s.insert(i);\n\n cnt1++;\n\n if(i>=b)\n\n break;\n\n }\n\n\n\n for(int i=b;cnt2<=k;i--)\n\n {\n\n\n\n s.insert(i);\n\n cnt2++;\n\n if(i<=a)\n\n break;\n\n }\n\n\n\n set<int>::iterator iter=s.begin();\n\n\n\n while(iter!=s.end())\n\n {\n\n cout<<*iter<<endl;;\n\n iter++;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001151"}536{"label": "pie_cpp_validation_001152", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001152.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001152", "task_path": "tasks/validation/pie_cpp_validation_001152.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n int m = k;\n\n set<int> s;\n\n for(int i=a;i<=b;i++)\n\n {\n\n if(k == 0)\n\n break;\n\n k--;\n\n //cout << i << endl;\n\n s.insert(i);\n\n }\n\n for(int i=b;i>=a;i--)\n\n {\n\n if(m == 0)\n\n break;\n\n m--;\n\n //cout << i << endl;\n\n s.insert(i);\n\n }\n\n for(auto it=s.begin();it!=s.end();it++)\n\n {\n\n cout << *it <<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001152"}537{"label": "pie_cpp_validation_001153", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001153.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001153", "task_path": "tasks/validation/pie_cpp_validation_001153.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n/**\n\n * This code has been written by YueGuang, feel free to ask me question. Blog: http://www.yx.telstudy.xyz\n\n * created:\n\n */\n\n#include <cstdio>\n\n#include <iostream>\n\n#include <set>\n\n#include <map>\n\n#include <algorithm>\n\n#include <cstring>\n\n#include <string>\n\n#include <cmath>\n\n#define REP(i, a, b) for(int i = a; i < b; i++)\n\n#define REP_(i, a, b) for(int i = a; i <= b; i++)\n\n#define sl(n) scanf(\"%lld\", &n);\n\n#define si(n) scanf(\"%d\", &n);\n\n#define RepAll(a) for(auto x: a)\n\n#define cout(ans) cout << ans << endl;\n\ntypedef long long ll;\n\n\n\nusing namespace std;\n\nint aa[256];\n\nint main(){\n\n int a, b, k, cnt = 0; scanf(\"%d%d%d\",&a, &b, &k);\n\n for(int i = a; i <= b; i++){\n\n if(i <= a+k-1){aa[cnt++] = i;}\n\n else if(i >= b-k+1 && i <= b){aa[cnt++] = i;}\n\n }\n\n sort(aa, aa+cnt);\n\n for(int i = 0; i < cnt; i++){cout << aa[i] << '\\n';}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001153"}538{"label": "pie_cpp_validation_001154", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001154.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001154", "task_path": "tasks/validation/pie_cpp_validation_001154.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define ll long long int\n\n#define sz 20010\n\n\n\nusing namespace std;\n\n\n\n\n\nmap<ll,ll>mp;\n\nint main()\n\n{\n\n\n\n\n\n ll a,b,k,i,j,p;\n\n\n\n cin>>a>>b>>k;\n\n\n\n p=0;\n\n\n\n for(i=a;i<=b;i++)\n\n {\n\n cout<<i<<endl;\n\n p++;\n\n mp[i]=1;\n\n if(p==k)break;\n\n }\n\n p=0;\n\n ll x=b-k+1;\n\n if(x>=a && x<=b){\n\n for(i=x;i<=b;i++)\n\n {\n\n if(mp[i]==0)cout<<i<<endl;\n\n p++;\n\n if(p==k)break;\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001154"}539{"label": "pie_cpp_validation_001155", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001155.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001155", "task_path": "tasks/validation/pie_cpp_validation_001155.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\n\n\n\n\nint main(){\n\n int A,B,K;\n\n cin>>A>>B>>K;\n\n\n\n if(B-A+1<=K){\n\n for(int i = A; i <= B; i++)\n\n cout << i << endl;\n\n return 0;\n\n }\n\n int n = K;\n\n while(n--){\n\n cout << A << endl;\n\n A++;\n\n }\n\n int m = B - K + 1;\n\n for(int i = m; i <= B; i++){\n\n if(i < A) continue;\n\n cout << i << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001155"}540{"label": "pie_cpp_validation_001156", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001156.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001156", "task_path": "tasks/validation/pie_cpp_validation_001156.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n\n\n//include\n\n//------------------------------------------\n\n#include <vector>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <deque>\n\n#include <queue>\n\n#include <stack>\n\n#include <bitset>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <numeric>\n\n#include <utility>\n\n#include <sstream>\n\n#include <iostream>\n\n#include <fstream>\n\n#include <iomanip>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <cstdlib>\n\n#include <string>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <climits>\n\n#include <limits>\n\n\n\nusing namespace std;\n\n\n\n//conversion\n\n//------------------------------------------\n\ninline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; }\n\ntemplate<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); }\n\n\n\n//math\n\n//-------------------------------------------\n\ntemplate<class T> inline T sqr(T x) { return x * x; }\n\n\n\n//typedef\n\n//------------------------------------------\n\ntypedef vector<int> VI;\n\ntypedef vector<VI> VVI;\n\ntypedef vector<string> VS;\n\ntypedef pair<int, int> PII;\n\ntypedef long long LL;\n\n\n\n//container util\n\n//------------------------------------------\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define RALL(a) (a).rbegin(), (a).rend()\n\n#define PB push_back\n\n#define MP make_pair\n\n#define SZ(a) int((a).size())\n\n#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)\n\n#define EXIST(s,e) ((s).find(e)!=(s).end())\n\n#define EXISTch(s,c) ((((s).find_first_of(c)) != std::string::npos)? 1 : 0)//c\u304c\u3042\u308c\u30701 if(1)\n\n#define SORT(c) sort((c).begin(),(c).end())\n\n\n\n#define REP(i,n) for(int i=0;i<(int)n;++i)\n\n#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();++i)\n\n\n\n//constant\n\n//--------------------------------------------\n\nconst double EPS = 1e-10;\n\nconst double PI = acos(-1.0);\n\nconst int INF = (int)1000000007;\n\nconst LL MOD = (LL)1000000007;//10^9+7\n\nconst LL INF2 = (LL)100000000000000000;//10^18\n\n\n\nint main() {\n\n\tint a, b, k; cin >> a >> b >> k;\n\n\n\n\tset<int> s;\n\n\n\n\tfor (int i = a; i <a+k; i++) {\n\n\t\tif (i > b)break;\n\n\n\n\t\ts.insert(i);\n\n\t}\n\n\n\n\tfor (int i = b; i > b - k; i--) {\n\n\t\tif (i < a)break;\n\n\n\n\t\ts.insert(i);\n\n\t}\n\n\n\n\tfor (auto i : s) {\n\n\t\tcout << i << endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001156"}541{"label": "pie_cpp_validation_001157", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001157.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001157", "task_path": "tasks/validation/pie_cpp_validation_001157.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i,n) for(long long int (i)=0;(i)<(int)(n);(i)++)\n\n#define rrep(i,a,b) for(long long int i=(a);i<(b);i++)\n\n#define rrrep(i,a,b) for(long long int i=(a);i>=(b);i--)\n\n#define all(v) (v).begin(), (v).end()\n\n#define pb(q) push_back(q)\n\n#define Abs(a,b) max(a,b)-min(a,b)\n\n#define YES(condition) if(condition){cout << \"YES\" << endl;}else{cout << \"NO\" << endl;}\n\n#define Yes(condition) if(condition){cout << \"Yes\" << endl;}else{cout << \"No\" << endl;}\n\n#define Cout(x) cout<<(x)<<endl\n\n#define POSSIBLE(condition) if(condition){cout << \"POSSIBLE\" << endl;}else{cout << \"IMPOSSIBLE\" << endl;}\n\n#define Possible(condition) if(condition){cout << \"Possible\" << endl;}else{cout << \"Impossible\" << endl;}\n\n#define possible(condition) if(condition){cout << \"possible\" << endl;}else{cout << \"impossible\" << endl;}\n\n#define Size(n) (n).size()\n\n\n\ntypedef long long ll;\n\n\n\n\n\nusing namespace std;\n\n\n\nconst int INF = 1e9,MOD = 1e9 + 7;\n\nconst ll LINF = 1e18;\n\n\n\n/*---------------------------------------------------------------\n\nlong long int kaizyo(long long int hh){\n\n cmp=1;\n\n while(hh>1){\n\n cmp=(cmp*hh)%MOD;\n\n hh--;\n\n }\n\n return cmp;\n\n}\n\nlong long int ruizyo(long long int aa, long long int bb){\n\n if(aa==0){\n\n return 1;\n\n }\n\n else if(aa%2==0){\n\n long long int tt=ruizyo(aa/2,bb);\n\n return (tt*tt)%MOD;\n\n }\n\n else{\n\n return (ruizyo(aa-1,bb)*bb)%MOD;\n\n }\n\n}\u30d5\u30a7\u30eb\u30de\uff0d\u306e\u30a2\n\n---------------------------------------------------------------\n\n\n\nwhile(x!=0){\n\n sum+=x%10;\n\n / x/=10;\n\n }\n\n \u5404\u6841\u306e\u548c\n\n---------------------------------------------------------------\n\n\n\npair<int,int> p[100000];\n\ncin >> tmp;\n\np[i]=make_pair(tmp,i);\n\ncout << p[i].second+1 << endl;//\u30da\u30a2\u306e\u53f3\u5074\u3064\u307e\u308ai\u3092\u51fa\u529b\n\n---------------------------------------------------------------\n\n\n\ns.find(w[i])==string::npos\n\nfind\u306e\u4f7f\u3044\u65b9\n\n---------------------------------------------------------------\n\n\n\nfor(int i=0;i<n;i++){\n\n b[i]=x%2;\n\n x/=2;\n\n }\u4e8c\u9032\u6570\n\n---------------------------------------------------------------\n\n\n\nbool f[100001];//1000000\u4ee5\u4e0b\u306e\u7d20\u6570\u3092\u8abf\u3079\u3088\u3046\uff01\n\nrrep(i,2,100001){\n\n f[i]=false;\n\n }\n\nrrep(i,2,100001){\n\n if(!f[i]){\n\n for(int j=i+i;j<=100000;j+=i){\n\n f[j]=true;\n\n }\n\n }\n\n }\n\n for(int i=3;i<=100000;i+=2){\n\n if(!f[i]){\n\n c[i]++;\n\n }\n\n }\n\n---------------------------------------------------------------\n\n\n\nvisited=vector<vector<bool>>(10,vector<bool>(10,false));\u30a2\u3092\u5168\u90e8false\u306b\n\n---------------------------------------------------------------\n\n\n\nlong long gcd(long long aaa,long long bbb){\n\n if(bbb==0){\n\n return aaa;\n\n }\n\n return gcd(bbb,aaa%bbb);\n\n}\n\n \n\nlong long lcm(long long aaa,long long bbb){\n\n long long g = gcd(aaa,bbb);\n\n return aaa/g * bbb;\n\n}\u5de6\u304b\u3089\u6700\u5927\u516c\u7d04\u6570\u3068\u6700\u5c0f\u516c\u500d\u6570\n\n\n\n\n\n---------------------------------------------------------------\n\n\n\nlong long int prime_cnt[10000];\n\n for(int i=2;i*i<=n;i++){\n\n while(n%i==0){\n\n n/=i;\n\n prime_cnt[i]+=1;\n\n }\n\n if(n>1){\n\n prime_cnt[n]+=1;\n\n break;\n\n }\n\n }\u3042\u308b\u6570n\u3092\u7d20\u56e0\u6570\u5206\u89e3\u3057\u307e\u3057\u3087\u3046\n\n\n\n---------------------------------------------------------------\n\ndebug:\n\ncout<<\"i: \"<<i<<\" j: \"<<j<<\" cnt: \"<<cnt<<\"\\n\";\n\n\n\n---------------------------------------------------------------*/\n\n\n\nlong long int n,cnt=0,ans=0,a,b,c,d,cmp,cmpp,m,h,w,x,y,sum=0,pos;\n\nint dy[]={1,0,-1,0};\n\nint dx[]={0,1,0,-1};\n\nstring alph(\"abcdefghijklmnopqrstuvwxyz\"),s;\n\nbool fl=true;\n\nstruct edge{int to,cost;};\n\n\n\n//-------------------------\u2193\u2193\u2193\u2193\u2193\u2193------------------------\n\n\n\nint main(void){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n cin >> a >> b >> c;\n\n rrep(i,a,b+1){\n\n if(cnt<c || b-a+1-cnt<=c){\n\n Cout(i);\n\n }\n\n cnt++;\n\n // Cout(cnt);\n\n }\n\n \n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001157"}542{"label": "pie_cpp_validation_001158", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001158.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001158", "task_path": "tasks/validation/pie_cpp_validation_001158.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main() {\n\n int a, b, k;\n\n cin >> a >> b >> k;\n\n for (int i=a; i<b+1; i++) {\n\n if (i < a+k || i > b-k)\n\n cout << i << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001158"}543{"label": "pie_cpp_validation_001159", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001159.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001159", "task_path": "tasks/validation/pie_cpp_validation_001159.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n//#include <algorithm>\n\n//#include <cstdio>\n\n//#include <functional>\n\n#include <iostream>\n\n//#include <cfloat>\n\n//#include <climits>\n\n//#include <cstdlib>\n\n//#include <cstring>\n\n//#include <cmath>\n\n//#include <map>\n\n//#include <queue>\n\n//#include <set>\n\n//#include <sstream>\n\n//#include <stack>\n\n//#include <string>\n\n//#include <time.h>\n\n//#include <vector>\n\n//#include <random>\n\n//#include <unordered_set>\n\n//#include <complex>\n\n#define rt0 return 0\n\nusing namespace std;\n\nint main()\n\n{\n\n\tint a,b,k;\n\n\tcin>>a>>b>>k;\n\n\tfor(int i=a;i<=b;i++) if((i-a<k)or(b-i<k)) cout<<i<<endl;\n\n rt0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001159"}544{"label": "pie_cpp_validation_001160", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03386", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001160.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001160", "task_path": "tasks/validation/pie_cpp_validation_001160.json", "visible_test_count": 1}, "problem_id": "p03386", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 8 2\n\nExpected output:\n3\n4\n7\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <stdlib.h>\n\n#include <cstdint>\n\n#include <cmath>\n\n#include <algorithm>\n\n#include <float.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tint a, b, k;\n\n\n\n\tcin >> a >> b >> k;\n\n\n\n\tfor( int i = a; i <= b; i++ ) {\n\n\t\tif( i < a + k || b - k < i ) {\n\n\t\t\tcout << i << endl;\n\n\t\t}\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001160"}545{"label": "pie_cpp_validation_001214", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 320, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 320, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001214.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001214", "task_path": "tasks/validation/pie_cpp_validation_001214.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nll e, m, x, min_;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n while (cin >> e, e) {\n\n min_ = m = (int)(1e9 + 7);\n\n\n\n for (int y = 0; y <= sqrt((double)e); y++) {\n\n for (int z = 0; z <= sqrt((double)e); z++) {\n\n x = e - y * y - z * z * z;\n\n if (x < 0) break;\n\n else {\n\n m = x + y + z;\n\n //cout << \"x, m = \" << x << \" \" << m << endl;\n\n if (min_ > m) min_ = m;\n\n }\n\n }\n\n }\n\n\n\n cout << min_ << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001214"}546{"label": "pie_cpp_validation_001215", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001215.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001215", "task_path": "tasks/validation/pie_cpp_validation_001215.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <cmath>\n\n\n\nusing namespace std;\n\n\n\nint main( void )\n\n{\n\n\tint e;\n\n\twhile(cin >> e, e) {\n\n\t\tbool hit = false;\n\n\t\tint answer = 1000001, sq_y = (int)(sqrt((double)e) + 1);\n\n\t\tfor(int z=100; z > -1 && !hit; --z) {\n\n\t\t\tint sum_z = z * z * z;\n\n\t\t\tif(sum_z == e) { answer = min(answer, z); continue; }\n\n\t\t\telse if(sum_z > e) continue;\n\n\t\t\tfor(int y=0; y < sq_y; ++y) {\n\n\t\t\t\tint sum_zy = sum_z + y * y;\n\n\t\t\t\tif(sum_zy == e) { answer = min(answer, z + y); break; }\n\n\t\t\t\telse if(sum_zy > e) break;\n\n\t\t\t\telse {\n\n\t\t\t\t\tanswer = min(answer, (z + y + e - sum_zy));\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout << answer << endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001215"}547{"label": "pie_cpp_validation_001216", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 260, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 260, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001216.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001216", "task_path": "tasks/validation/pie_cpp_validation_001216.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\n#include <algorithm>\n\nusing namespace std;\n\nint main(){\n\n int x,y,z,e;\n\n while( cin >> e,e ){\n\n int ret = 999999999;\n\n for(int y = 0 ; y*y <= e ; y++ ){\n\n for(int z = 0 ; z*z*z <= e ; z++ ){\n\n\tif(e - (y*y + z*z*z) >= 0)x = e - (y*y + z*z*z);\n\n\t ret = min(ret,x+y+z);\n\n }\n\n }\n\n cout << ret << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001216"}548{"label": "pie_cpp_validation_001217", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 170, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 170, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001217.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001217", "task_path": "tasks/validation/pie_cpp_validation_001217.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<queue>\n\n#include<cmath>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\twhile(1){\n\n\t\tint e; cin >> e;\n\n\t\tif (e == 0) break;\n\n\n\n\t\tint min = 1000000;\n\n\t\tfor (int z = 0; z <= 100; z++){\n\n\t\t\tfor (int y = 0; y <= 1000; y++){\n\n\t\t\t\tint x = e - (z *z * z) - (y * y);\n\n\t\t\t\tif (x >= 0 and min > x + y + z){\n\n\t\t\t\t\tmin = x + y + z;\n\n\t\t\t\t}\n\n\t\t\t\t\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout << min<< endl;\n\n\t}\n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001217"}549{"label": "pie_cpp_validation_001218", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001218.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001218", "task_path": "tasks/validation/pie_cpp_validation_001218.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n int e,ee,m,x,y,z;\n\n while (true){\n\n cin >> e;\n\n if (!e)\n\n break;\n\n x = 0;\n\n y = 0;\n\n z = 0;\n\n m = e;\n\n while(e>=z*z*z){\n\n ee = e;\n\n ee -= z*z*z;\n\n y = 0;\n\n while(ee>=y*y)\n\n\ty++;\n\n y--;\n\n ee -= y*y;\n\n x = ee;\n\n if (m>x+y+z)\n\n\tm = x+y+z;\n\n z++;\n\n }\n\n z--;\n\n cout << m << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001218"}550{"label": "pie_cpp_validation_001219", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 220, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 220, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001219.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001219", "task_path": "tasks/validation/pie_cpp_validation_001219.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n#define INF 1000000\n\nint main(){\n\n while(true){\n\n int e,ans=INF;\n\n scanf(\"%d\",&e);\n\n if(e==0) return 0;\n\n for(int z=0;z*z*z<=e;z++){\n\n for(int y=0;y*y+z*z*z<=e;y++){\n\n if(ans>e-y*y-z*z*z+y+z) ans=e-y*y-z*z*z+y+z;\n\n }\n\n }\n\n printf(\"%d\\n\",ans);\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001219"}551{"label": "pie_cpp_validation_001220", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 160, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 160, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001220.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001220", "task_path": "tasks/validation/pie_cpp_validation_001220.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <map>\n\n#include <set>\n\n#include <cstdio>\n\n#include <cmath>\n\n#define rep(i,l,n) for(lint i=l;i<n;i++)\n\n#define rer(i,l,n) for(lint i=l;i<=n;i++)\n\n#define all(a) a.begin(),a.end()\n\n#define o(a) cout<<a<<endl\n\n#define pb(a) push_back(a)\n\n#define mk(a,b) make_pair(a,b)\n\n#define fi first\n\n#define se second\n\nusing namespace std;\n\ntypedef long long lint;\n\ntypedef vector<int> vi;\n\ntypedef vector<lint> vli;\n\ntypedef vector<vi> vvi;\n\ntypedef pair<int,int> pii;\n\n\n\nint main(){\n\n\tint e;\n\n\twhile(1){\n\n\t\tcin>>e;\n\n\t\tif(e==0) break;\n\n\t\tint m=10000000;\n\n\t\tfor(int i=0;i*i*i<=e;i++){\n\n\t\t\tfor(int j=0;j*j<=e-i*i*i;j++){\n\n\t\t\t\tm=min(m,e-i*i*i-j*j+i+j);\n\n\t\t\t}\n\n\t\t}\n\n\t\to(m);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001220"}552{"label": "pie_cpp_validation_001221", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001221.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001221", "task_path": "tasks/validation/pie_cpp_validation_001221.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n\tint e;\n\n\twhile(cin>>e,e){\n\n\t\tint ans=100000000;\n\n\t\tfor(int z=0;z*z*z<=e;z++){\n\n\t\t\tfor(int y=0;y*y<=e-z*z*z;y++){\n\n\t\t\t\tans=min(ans,e-z*z*z-y*y+y+z);\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout<<ans<<endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001221"}553{"label": "pie_cpp_validation_001222", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001222.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001222", "task_path": "tasks/validation/pie_cpp_validation_001222.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\nint main(){\n\n int e;\n\n while(cin>>e&&e!=0){\n\n int minSum=100000000;\n\n for(int z = 0; z <= 100; z++){\n\n if(e-(z*z*z)<0)\n\n break;\n\n for(int y = 0; y <= 1000; y++){\n\n if(e-y*y-z*z*z<0)\n\n break;\n\n int x=e-y*y-z*z*z;\n\n minSum=min(minSum,x+y+z);\n\n }\n\n }\n\n cout<<minSum<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001222"}554{"label": "pie_cpp_validation_001223", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 270, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 270, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001223.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001223", "task_path": "tasks/validation/pie_cpp_validation_001223.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\n#include <math.h>\n\n\n\nusing namespace std;\n\n\n\n#define MAX_N 128;\n\n\n\nint ans;\n\n\n\n\n\nint main()\n\n{\n\n int e;\n\n \n\n int ans = 100000000;;\n\n int temp = 10000000;\n\n \n\n \n\n while(cin >> e && e)\n\n {\n\n ans = 100000;\n\n for(int z=0; z<=100; ++z)\n\n {\n\n for(int y=0; y<=1000; ++y)\n\n {\n\n \n\n int m = (e - y*y - z*z*z) + y*y + z*z*z;\n\n if(m == e)\n\n {\n\n int x = e - y*y - z*z*z;\n\n if(x >= 0)\n\n {\n\n if(ans > x+y+z){ans = x+y+z;}\n\n }\n\n }\n\n }\n\n }\n\n cout << ans << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001223"}555{"label": "pie_cpp_validation_001224", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1870, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 1870, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001224.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001224", "task_path": "tasks/validation/pie_cpp_validation_001224.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\n#define MAX (2000000)\n\n#define INF (1145141919)\n\nusing namespace std;\n\n\n\nint dp[MAX + 1];\n\n\n\nint main()\n\n{\n\n\tdp[0] = 0;\n\n\tfor (int i = 1; i <= MAX; i++){\n\n\t\tdp[i] = INF;\n\n\t}\n\n\t\n\n\tfor (int i = MAX; i >= 0; i--){\n\n\t\tif (dp[i] < MAX){\n\n\t\t\tfor (int x = 0; i + x <= MAX; x++){\n\n\t\t\t\tdp[i + x] = min(dp[i + x], dp[i] + x);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\tfor (int i = MAX; i >= 0; i--){\n\n\t\tif (dp[i] < MAX){\n\n\t\t\tfor (int y = 0; i + y * y <= MAX; y++){\n\n\t\t\t\tdp[i + y * y] = min(dp[i + y * y], dp[i] + y);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\tfor (int i = MAX; i >= 0; i--){\n\n\t\tif (dp[i] < MAX){\n\n\t\t\tfor (int z = 0; i + z * z * z <= MAX; z++){\n\n\t\t\t\tdp[i + z * z * z] = min(dp[i + z * z * z], dp[i] + z);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\tint e;\n\n\twhile (scanf(\"%d\", &e), e){\n\n\t\tprintf(\"%d\\n\", dp[e]);\n\n\t}\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001224"}556{"label": "pie_cpp_validation_001225", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001225.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001225", "task_path": "tasks/validation/pie_cpp_validation_001225.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\nusing namespace std;\n\nint calcOver(int, int);\n\nint calcM(int, int ,int);\n\n\n\nint main() {\n\n while(true) {\n\n int e;\n\n cin >> e;\n\n if(e == 0) break;\n\n int y = 0;\n\n int z = 0;\n\n int maxover = 0;\n\n int limity = pow(e, 1.0 / 2.0) + 1;\n\n int limitz = pow(e, 1.0 / 3.0) + 1;\n\n int maxy = limity;\n\n int maxz = limitz;\n\n int minm = e;\n\n bool flag = false;\n\n //cout << limity << \":\" << limitz << endl;\n\n for(y = limity; y >= 0; --y) {\n\n for(int z = limitz; z >= 0; --z) {\n\n int m = calcM(e, y, z);\n\n //if((y + z <= m) && (m <= y + z + e)) {\n\n if(e >= calcOver(y, z)) {\n\n //cout << y << \":\" << z << \":\" << \":\" << m << endl;\n\n if(minm > m) {\n\n maxy = y;\n\n maxz = z;\n\n minm = m;\n\n }\n\n }\n\n }\n\n }\n\n //cout << maxy << \":\" << maxz << endl;\n\n cout << minm << endl;\n\n }\n\n return 0;\n\n}\n\n\n\nint calcOver(int y, int z) {\n\n return (y*y + z*z*z);\n\n}\n\nint calcM(int e, int y, int z) {\n\n return (e - y*y - z*z*z + y + z);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001225"}557{"label": "pie_cpp_validation_001226", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 390, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 390, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001226.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001226", "task_path": "tasks/validation/pie_cpp_validation_001226.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string>\n\n#include <stack>\n\n#include <cstdio>\n\n#define rep(i, j) for(int i = 0; i < j; i++)\n\n#define all(i) i.begin(), i.end()\n\nusing namespace std;\n\nint main()\n\n{\n\n\tint e; while (cin >> e && e != 0)\n\n\t{\n\n\t\tint m = 214214, x = 0;\n\n\t\trep(z, 111) rep(y, 1111)\n\n\t\t{\n\n\t\t\tx = e - (y * y + z * z * z);\n\n\t\t\tif (e == x + (y * y) + (z * z * z) && x >= 0 ) \n\n\t\t\t{ m = min(x + y + z, m); }\n\n\t\t}\n\n\t\tprintf(\"%d\\n\", m);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001226"}558{"label": "pie_cpp_validation_001227", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 390, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 390, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001227.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001227", "task_path": "tasks/validation/pie_cpp_validation_001227.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string>\n\n#include <stack>\n\n#include <cstdio>\n\n#define rep(i, j) for(int i = 0; i < j; i++)\n\n#define all(i) i.begin(), i.end()\n\nusing namespace std;\n\nint main()\n\n{\n\n\tint e; while (cin >> e , e)\n\n\t{\n\n\t\tint m = 214214, x = 0;\n\n\t\trep(y, 1001) rep(z, 101)\n\n\t\t{\n\n\t\t\tx = e - (y * y + z * z * z);\n\n\t\t\tif (e == x + (y * y) + (z * z * z) && x >= 0 ) \n\n\t\t\t{ m = min(x + y + z, m); }\n\n\t\t\telse if (e > x + (y * y) + (z * z * z)) { break; }\n\n\t\t}\n\n\t\tprintf(\"%d\\n\", m);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001227"}559{"label": "pie_cpp_validation_001228", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 160, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 160, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001228.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001228", "task_path": "tasks/validation/pie_cpp_validation_001228.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint e, x, y, z, min;\n\n\n\n\twhile (cin >> e && e != 0) {\n\n\t\tmin = 999999999;\n\n\t\t\n\n\t\tfor (z = 0; z*z*z <= e; z++) {\n\n\t\t\tfor (y = 0; y*y <= e - z*z*z; y++) {\n\n\t\t\t\t\tx = e - y*y - z*z*z;\n\n\t\t\t\t\n\n\t\t\t\tif (min > x + y + z) {\n\n\t\t\t\t\tmin = x + y + z;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\n\n\t\t}\n\n\n\n\t\tcout << min << endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001228"}560{"label": "pie_cpp_validation_001229", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 140, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 140, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001229.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001229", "task_path": "tasks/validation/pie_cpp_validation_001229.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n int e;\n\n while(cin >> e, e){\n\n int m = e;\n\n for(int z=0; z<m && z*z*z<=e; ++z){\n\n for(int y=0; y+z<m && y*y+z*z*z<=e; ++y){\n\n int x = e - z*z*z - y*y;\n\n if(x + y + z < m)m = x + y + z;\n\n }\n\n }\n\n cout << m << '\\n';\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001229"}561{"label": "pie_cpp_validation_001230", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 290, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 290, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001230.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001230", "task_path": "tasks/validation/pie_cpp_validation_001230.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main() {\n\n while(1) {\n\n int e;\n\n cin >> e;\n\n if(e == 0) break;\n\n int min = -1;\n\n for(int z = 0; z*z*z <= e; z++) {\n\n for(int y = 0; y*y <= e; y++) {\n\n\tint x = e - (y*y + z*z*z);\n\n\tif(x < 0) break;\n\n\tint m = x + y + z;\n\n\tif(min == -1 || m < min) min = m;\n\n }\n\n }\n\n cout << min << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001230"}562{"label": "pie_cpp_validation_001231", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 150, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 150, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001231.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001231", "task_path": "tasks/validation/pie_cpp_validation_001231.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define int long long\n\n#define double long double\n\n#define INF 1e18\n\nusing namespace std;\n\nsigned main() {\n\n vector<int> m(1e6 + 1, 1<<30);\n\n const int n = 500;\n\n for (int x = 0; x < n; x++) {\n\n for (int y = 0; y < n; y++) {\n\n for (int z = 0; z < n; z++) {\n\n int t = x+y*y+z*z*z;\n\n if (t <= 1e6) {\n\n m[t] = min(m[t], x+y+z);\n\n }\n\n }\n\n }\n\n }\n\n int e;\n\n while (true) {\n\n cin >> e;\n\n if (e == 0) break;\n\n cout << m[e] << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001231"}563{"label": "pie_cpp_validation_001232", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 170, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 170, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001232.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001232", "task_path": "tasks/validation/pie_cpp_validation_001232.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <cstdio>\n\n#include <functional>\n\n#include <numeric>\n\n#include <stack>\n\n#include <queue>\n\n#include <map>\n\n#include <set>\n\n#include <utility>\n\n#include <sstream>\n\n#include <complex>\n\n\n\nusing namespace std;\n\n\n\n#define FOR(i,a,b) for(long long i=(a);i<(b);i++)\n\n#define REP(i,N) for(long long i=0;i<(N);i++)\n\n#define ALL(s) (s).begin(),(s).end()\n\n#define fi first\n\n#define se second\n\n\n\n#define PI acos(-1.0)\n\n#define INF 1000000007\n\n#define EPS 1e-10\n\n#define MAX_N 20000\n\n#define MAX_M 16\n\n\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> P;\n\ntypedef pair<double, double> PD;\n\ntypedef pair<string, ll> PS;\n\ntypedef vector<ll> V;\n\ntypedef pair<P, char> PC;\n\n\n\nint e, m;\n\n\n\nint main(){\n\n\twhile (cin >> e&&e){\n\n\t\tint m = 1000001;\n\n\t\tfor (int i = 0; i <= 100; i++){\n\n\t\t\tfor (int j = 0; j <= 1000; j++){\n\n\t\t\t\tint x = e - i*i*i - j*j;\n\n\t\t\t\tif (x >= 0){\n\n\t\t\t\t\tm = min(m, x + i + j);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout << m << endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001232"}564{"label": "pie_cpp_validation_001233", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 310, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 310, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001233.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001233", "task_path": "tasks/validation/pie_cpp_validation_001233.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <math.h>\n\nusing namespace std;\n\n\n\nint e,minimum;\n\n\n\nint solve(){\n\n minimum = e;\n\n for(int z=0;z*z*z<=e;z++){\n\n for(int y=0;y <= sqrt(e);y++){\n\n int x = e - z*z*z - y*y;\n\n if(x>=0)\n\n minimum = min(x+y+z,minimum);\n\n }\n\n }\n\n return minimum;\n\n}\n\n\n\nint main(){\n\n while(cin >> e && e!=0){\n\n cout << solve() << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001233"}565{"label": "pie_cpp_validation_001234", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 170, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 170, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001234.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001234", "task_path": "tasks/validation/pie_cpp_validation_001234.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <math.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int e;\n\n int x = 0;\n\n int y = 0;\n\n int z = 0;\n\n while(cin >> e && e > 0){\n\n int min = e;\n\n int zmax = ceil(pow(e, 1.0/3.0));\n\n int ymax = ceil(pow(e, 1.0/2.0));\n\n for(int i=0; i<=zmax; i++){\n\n for(int j=0; j<=ymax; j++){\n\n int y2 = j * j;\n\n int z3 = i * i * i;\n\n x = e - y2 - z3;\n\n if(x >= 0 && min > x + i + j){\n\n min = x + i + j;\n\n }\n\n }\n\n }\n\n cout << min << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001234"}566{"label": "pie_cpp_validation_001235", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 310, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 310, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001235.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001235", "task_path": "tasks/validation/pie_cpp_validation_001235.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <math.h>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint x, y, z, e, m;\n\n\twhile (cin >> e && e > 0){\n\n\t\tm = 10000000;\n\n\t\tfor (y = 0; y*y <= e; y++) {\n\n\t\t\tfor (z = 0; z*z*z <= e; z++) {\n\n\t\t\t\tint x = e - y*y - z*z*z;\n\n\t\t\t\tif (x >= 0)\n\n\t\t\t\t\tm = min (m, x + y + z);\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout << m << endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001235"}567{"label": "pie_cpp_validation_001236", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 150, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 150, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001236.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001236", "task_path": "tasks/validation/pie_cpp_validation_001236.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int e, x;\n\n while(cin >> e && e > 0){\n\n int m = 1e6;\n\n for(int z=0; z<=1e2; z++){\n\n for(int y=0; y<=1e3; y++){\n\n x = e - z*z*z - y*y;\n\n if(x < 0){\n\n continue;\n\n }\n\n if(x+y+z<m){\n\n m = x + y + z;\n\n }\n\n }\n\n }\n\n cout << m << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001236"}568{"label": "pie_cpp_validation_001237", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 160, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 160, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001237.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001237", "task_path": "tasks/validation/pie_cpp_validation_001237.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define REP(i,n) for (int i=0;i<(n);i++)\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)\n\n#define REP(i,n) for (int i=0;i<(n);i++)\n\n#define RREP(i,n) for (int i=(n)-1;i>=0;i--)\n\n#define ll long long\n\n#define ull unsigned long long\n\nint dx[4] = {1, 0, -1, 0};\n\nint dy[4] = {0, 1, 0, -1};\n\n \n\nusing namespace std;\n\n \n\n \n\nint main(){\n\n int e;\n\n while(cin>>e,e){\n\n vector<int> dp(e+1,e);\n\n\t\tvector<int> z;\n\n for(int i = 0;i*i*i<=e;i++){\n\n\t\t\t\t\tz.push_back(i*i*i);\n\n\t\t\t\t}\n\n\t\t\t\tint z_size = z.size();\n\n\t\t\t\tfor(int i = 0;i<z_size;i++){\n\n\t\t\t\t\tfor(int j = 0;z[i]+j*j<=e;j++){\n\n\t\t\t\t\t\t\tint yy = j*j;\n\n\t\t\t\t\t\t\tdp[z[i]+yy] = min(i+j,dp[z[i]+yy]);\n\n\t\t\t\t\t\t\tdp[e] = min(e-z[i]-yy+dp[z[i]+yy],dp[e]);\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tcout << dp[e] << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001237"}569{"label": "pie_cpp_validation_001238", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 160, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 160, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001238.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001238", "task_path": "tasks/validation/pie_cpp_validation_001238.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=2012\n\n\n\n#include <stdio.h>\n\n\n\nint main(void) {\n\n\twhile(1) {\n\n\t\t\n\n\t\tint e;\n\n\t\tint mmin = 10000000;\n\n\t\t\n\n\t\tscanf(\"%d\", &e);\n\n\t\tif ( e == 0 ) { break; }\n\n\t\t\n\n\t\tfor(int z=0; z<=100; z++) {\n\n\t\t\tint r = e - z*z*z;\n\n\t\t\tfor(int y=0; y<=1000; y++) {\n\n\t\t\t\tint x = r - y*y;\n\n\t\t\t\tif ( x<0 ) { break; }\n\n\t\t\t\t\n\n\t\t\t\tint sum = x+y+z;\n\n\t\t\t\tif ( mmin > sum ) { mmin = sum; }\n\n\t\t\t}\n\n\t\t}\n\n\t\t\n\n\t\tprintf(\"%d\\n\", mmin);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001238"}570{"label": "pie_cpp_validation_001239", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 250, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 250, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001239.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001239", "task_path": "tasks/validation/pie_cpp_validation_001239.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <climits>\n\n#include <cfloat>\n\n#include <ctime>\n\n#include <map>\n\n#include <utility>\n\n#include <set>\n\n#include <iostream>\n\n#include <memory>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <sstream>\n\n#include <complex>\n\n#include <stack>\n\n#include <queue>\n\n#include <numeric>\n\n#include <list>\n\n\n\nusing namespace std;\n\n\n\n#ifdef _MSC_VER\n\n#define __typeof__ decltype\n\ntemplate <class T> int __builtin_popcount(T n) { return n ? 1 + __builtin_popcount(n & (n - 1)) : 0; }\n\n#endif\n\n\n\n#define foreach(it, c) for (__typeof__((c).begin()) it=(c).begin(); it != (c).end(); ++it)\n\n#define all(c) (c).begin(), (c).end()\n\n#define rall(c) (c).rbegin(), (c).rend()\n\n#define popcount __builtin_popcount\n\n\n\n#define rep(i, n) for (int i = 0; i < n; ++i)\n\n\n\ntemplate <class T> void max_swap(T& a, const T& b) { a = max(a, b); }\n\ntemplate <class T> void min_swap(T& a, const T& b) { a = min(a, b); }\n\n\n\nconst double EPS = 1e-10;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pint;\n\n\n\n\n\nint main()\n\n{\n\n\tint e;\n\n\twhile (scanf(\"%d\", &e), e)\n\n\t{\n\n\t\tint res = e;\n\n\n\n\t\tint z_max = pow(e, 1.0 / 3) + 1;\n\n\t\tint y_max = (int)sqrt(e + 0.0) + 1;\n\n\t\tfor (int z = z_max; z >= 0; --z)\n\n\t\t{\n\n\t\t\tfor (int y = y_max; y >= 0; --y)\n\n\t\t\t{\n\n\t\t\t\tint x = e - (z*z*z + y*y);\n\n\t\t\t\tif (x >= 0)\n\n\t\t\t\t\tmin_swap(res, x + y + z);\n\n\t\t\t}\n\n\t\t}\n\n\t\tprintf(\"%d\\n\", res);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001239"}571{"label": "pie_cpp_validation_001240", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001240.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001240", "task_path": "tasks/validation/pie_cpp_validation_001240.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\nusing namespace std;\n\nint main() {\n\n int e;\n\n while (cin >> e, e) {\n\n int ret = 1e6;\n\n for (int z=0; z*z*z<=e; ++z) {\n\n int y = (int)pow(e - z*z*z, 1.0/2.0);\n\n int x = e - z*z*z - y*y;\n\n ret = min(ret, x+y+z);\n\n }\n\n cout << ret << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001240"}572{"label": "pie_cpp_validation_001241", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001241.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001241", "task_path": "tasks/validation/pie_cpp_validation_001241.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#define _USE_MATH_DEFINES\n\n#include <algorithm>\n\n#include <cstdio>\n\n#include <functional>\n\n#include <iostream>\n\n#include <cfloat>\n\n#include <climits>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <map>\n\n#include <queue>\n\n#include <set>\n\n#include <sstream>\n\n#include <stack>\n\n#include <string>\n\n#include <time.h>\n\n#include <vector>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<int, int> i_i;\n\ntypedef pair<ll, int> ll_i;\n\ntypedef pair<double, int> d_i;\n\ntypedef pair<ll, ll> ll_ll;\n\ntypedef pair<double, double> d_d;\n\nstruct edge { int u, v; ll w; };\n\n\n\nll MOD = 1000000007;\n\nll _MOD = 1000000009;\n\ndouble EPS = 1e-10;\n\n\n\nint dx[4] = {-1, 0, 1, 0};\n\nint dy[4] = {0, -1, 0, 1};\n\n\n\nint main() {\n\n\tfor (;;) {\n\n\t\tint e; cin >> e;\n\n\t\tif (e == 0) break;\n\n\t\tint m = INT_MAX;\n\n\t\tfor (int z = 0; z * z * z <= e; z++)\n\n\t\t\tfor (int y = 0; y * y + z * z * z <= e; y++) {\n\n\t\t\t\tint x = e - y * y - z * z * z;\n\n\t\t\t\tif (x >= 0) m = min(m, x + y + z);\n\n\t\t\t}\n\n\t\tcout << m << endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001241"}573{"label": "pie_cpp_validation_001242", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 180, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 180, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001242.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001242", "task_path": "tasks/validation/pie_cpp_validation_001242.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <math.h>\n\nusing namespace std;\n\nint N, S, y_max, z_max, ans;\n\n\n\nint main(){\n\n while( cin >> N && N > 0){\n\n for(int i = 0; i <= 1000; i++){\n\n for(int j = 0; j <= 100; j++){\n\n if(i == 0 && j == 0) ans = N;\n\n if(ans > (i + j +(N-i*i-j*j*j)) && N-i*i-j*j*j >= 0) ans = i + j +(N-i*i-j*j*j);\n\n }\n\n }\n\n\n\n\n\n cout << ans << endl;\n\n\n\n\n\n }\n\n\n\n\n\n\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001242"}574{"label": "pie_cpp_validation_001243", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 200, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 200, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001243.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001243", "task_path": "tasks/validation/pie_cpp_validation_001243.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\nwhile(1){//start\t\n\n\t\n\n\tint e;\n\n\tint ans = 10000000;\n\n\tcin >> e;\n\n\t\n\n\tif(e == 0) break;\n\n\t\n\n\tint x;\n\n\tfor(int y = 0; y <= 1000; y++){\n\n\t\tfor(int z = 0; z <= 100; z++){\n\n\t\t\tif(y*y + z*z > e)break;\n\n\t\t\tx = e - y*y - z*z*z;\n\n\t\t\tif(x + y*y + z*z*z > e) break;\n\n\t\t\tif(x >= 0 and x + y*y + z*z*z == e){\n\n\t\t\t\tans = min(ans, x + y + z);\n\n\t\t\t\t//cout << \"ans = \" << ans << endl;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\t\n\n\tcout << ans << endl;\n\n\t\n\n}//end\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001243"}575{"label": "pie_cpp_validation_001244", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 220, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 220, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001244.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001244", "task_path": "tasks/validation/pie_cpp_validation_001244.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\nint main(){\n\n int e;\n\n while(cin >> e,e){\n\n int ans = e;\n\n for(int z=0;z*z*z<=e;z++){\n\n for(int y=0;y*y+z*z*z<=e;y++){\n\n\tans = min(ans,e-z*z*z-y*y+y+z);\n\n }\n\n }\n\n cout << ans << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001244"}576{"label": "pie_cpp_validation_001245", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 240, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 240, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001245.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001245", "task_path": "tasks/validation/pie_cpp_validation_001245.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n\t\n\n#include<iostream>\n\nusing namespace std;\n\n\n\nint main(){\n\n int e,x;\n\n while(1){\n\n cin>>e;\n\n if(e==0)break;\n\n int m1=0,m=1000;\n\n for(int y=0;y*y<=e;y++)\n\n for(int z=0;z*z*z<=e-y*y;z++){\n\n\tx=e-z*z*z-y*y;\n\n\tm1=x+y+z;\n\n\tif(m>m1)m=m1;\n\n }\n\n cout<<m<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001245"}577{"label": "pie_cpp_validation_001246", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 240, "hidden_test_count": 1, "problem_id": "p01137", "reference_metric": "runtime_cpu_ns", "reference_value": 240, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001246.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001246", "task_path": "tasks/validation/pie_cpp_validation_001246.json", "visible_test_count": 1}, "problem_id": "p01137", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n2\n4\n27\n300\n1250\n0\n\nExpected output:\n1\n2\n2\n3\n18\n44\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <set>\n\n#include <queue>\n\n#include <stack>\n\n#include <string>\n\n#include <map>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <cmath>\n\n\n\n#define rep(i, n) for(int i = 0; i < n; i ++)\n\n#define ALL(T) T.begin(), T.end()\n\n#define mp make_pair\n\n#define pb push_back\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int, int> pii;\n\ntypedef unsigned long long ull;\n\ntypedef vector<int> vi;\n\ntypedef vector<string> vs;\n\n\n\nconst int INF = 1 << 24;\n\nconst int N = (int)1e6 + 1;\n\n\n\nint main(void){\n\n for(int e, res; res = INF, cin >> e, e; cout << res << endl)\n\n for(int z = 0; z * z * z < N; z ++)\n\n for(int y = 0; y * y < N; y ++)\n\n if(y * y + z * z * z <= e)\n\n res = min(res, y + z + e - y * y - z * z * z);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001246"}578{"label": "pie_cpp_validation_001307", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001307.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001307", "task_path": "tasks/validation/pie_cpp_validation_001307.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nstring s;\n\nint p, o0, o1, e0, e1, a, b;\n\n\n\nint main() {\n\n\tcin >> s;\n\n\tp = s.length();\n\n\tfor (int i=0; i<p; i++) {\n\n\t\tif (i%2==0) {\n\n\t\t\tif (s[i]=='0') {e0++;}\n\n\t\t\telse {e1++;}\n\n\t\t}\n\n\t\telse {\n\n\t\t\tif (s[i]=='0') {o0++;}\n\n\t\t\telse {o1++;}\n\n\t\t}\n\n\t}\n\n\ta=e1+o0;\n\n\tb=e0+o1;\n\n\tif (a>b) {cout << b << endl;}\n\n\telse {cout << a << endl;}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001307"}579{"label": "pie_cpp_validation_001308", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001308.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001308", "task_path": "tasks/validation/pie_cpp_validation_001308.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <fstream>\n\nusing namespace std;\n\nint main()\n\n{\n\n\tlong count ;\n\n\tstring str;\n\n\twhile(cin>>str)\n\n\t{\n\n\t\tcount= 0;\n\n\t\tfor(int i = 0;i<str.length();++i)\n\n\t\t{\n\n\t\t\tif(i+1 != str.length())\n\n\t\t\t{\n\n\t\t\t\tif(str[i] == str[i+1])\n\n\t\t\t\t{\n\n\t\t\t\t\tcount++;\n\n\t\t\t\t\tif(str[i+1] == 48) str[i+1] = 49;\n\n\t\t\t\t\telse str[i+1] = 48;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout<<count<<endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001308"}580{"label": "pie_cpp_validation_001309", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001309.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001309", "task_path": "tasks/validation/pie_cpp_validation_001309.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\nint main(){\n\n string s,t1=\"\",t2=\"\";\n\n int n,i,j,cnt1=0,cnt2=0;\n\n cin >> s;\n\n n=s.size();\n\n for (i=0;i<n;i++){\n\n if (i%2==0){\n\n t1+='1';\n\n t2+='0';\n\n }\n\n else{\n\n t1+='0';\n\n t2+='1';\n\n }\n\n }\n\n for (i=0;i<n;i++){\n\n if (s[i]!=t1[i])\n\n cnt1++;\n\n if (s[i]!=t2[i])\n\n cnt2++;\n\n }\n\n if (cnt1>cnt2)\n\n cout << cnt2 << endl;\n\n else\n\n cout << cnt1 << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001309"}581{"label": "pie_cpp_validation_001310", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001310.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001310", "task_path": "tasks/validation/pie_cpp_validation_001310.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\nusing namespace std;\n\nbool str[101000];\n\nint a, b, pos;\n\nint main(){\n\n\tint x;\n\n\twhile( scanf(\"%1d\", &x) != EOF )\n\n\t\tstr[++pos] = x;\n\n\tfor( int i = 1; i <= pos; ++i ){\n\n\t\tif( str[i] != i % 2 )\n\n\t\t\t++a;\n\n\t\telse\n\n\t\t\t++b;\n\n\t}\n\n\tprintf(\"%d\\n\", min(a, b));\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001310"}582{"label": "pie_cpp_validation_001311", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001311.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001311", "task_path": "tasks/validation/pie_cpp_validation_001311.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int N=1e5+5;\n\nint ans=0,tot=0;\n\nchar a[N],b[N],c[N];\n\nint main()\n\n{\n\n\tcin>>a;\n\n\tint len=strlen(a);\n\n\tfor(int i=0;i<len;i++)\n\n\t{\n\n\t\tif(i%2==1)\n\n\t\t{\n\n\t\t\tb[i]='0';\n\n\t\t\tc[i]='1';\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tb[i]='1';\n\n\t\t\tc[i]='0';\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<len;i++)\n\n\t{\n\n\t\tif(a[i]!=b[i])\n\n\t\t{\n\n\t\t\tans++;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<len;i++)\n\n\t{\n\n\t\tif(a[i]!=c[i])\n\n\t\t{\n\n\t\t\ttot++;\n\n\t\t}\n\n\t}\n\n\tcout<<min(ans,tot);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001311"}583{"label": "pie_cpp_validation_001312", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001312.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001312", "task_path": "tasks/validation/pie_cpp_validation_001312.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<iomanip>\n\n\n\n#define ll long long\n\n#define ar array\n\n \n\nusing namespace std;\n\n\n\nint main() {\n\n\n\n int tam, b, temp = 0, j=0, k=0, l, chablau;\n\n \n\n string str;\n\n \n\n cin >> str;\n\n\t\n\n\tfor(int i = 1; i<str.length(); i++){\n\n\t\tif(i%2){\n\n\t\t\tif(str[0] == str[i]){\n\n\t\t\t\tj++;\n\n\t\t\t}\n\n\t\t}else{\n\n\t\t\tif(str[0] != str[i]){\n\n\t\t\t\tj++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t\n\n\tcout << j << endl;\n\n\t\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001312"}584{"label": "pie_cpp_validation_001313", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001313.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001313", "task_path": "tasks/validation/pie_cpp_validation_001313.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define W(x) cerr << \"\\033[31m\" << #x << \" = \" << x << \"\\033[0m\" << \"\\n\";\n\n\n\nint main(){\n\n\n\n int size=0, x=0, i=0;\n\n char s[100005];\n\n cin >> s;\n\n\n\n for(i=0; i<100005 && s[i+1] != '\\0'; i++){\n\n if(s[i] == s[i+1]){\n\n if(s[i+1] == '0') s[i+1] = '1';\n\n else s[i+1] = '0';\n\n x++;\n\n // W(i+1);\n\n }\n\n }\n\n\n\n cout << x << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001313"}585{"label": "pie_cpp_validation_001314", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001314.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001314", "task_path": "tasks/validation/pie_cpp_validation_001314.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main(int argc, char const *argv[])\n\n{\n\n string s;\n\n int count = 0;\n\n\n\n cin >> s;\n\n\n\n for (int i = 1; i < s.size(); i++) {\n\n if (s[i] == s[i-1]) {\n\n s[i] = (s[i] == '1') ? '0' : '1';\n\n count++;\n\n }\n\n }\n\n\n\n cout << count << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001314"}586{"label": "pie_cpp_validation_001315", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001315.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001315", "task_path": "tasks/validation/pie_cpp_validation_001315.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n#define ll long long\n\n#define ld long double\n\n#define f first\n\n#define s second\n\n\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);\n\n string s;\n\n cin >> s;\n\n ll ans = 0 , ans2=0;\n\n for(int i=0; i<s.size(); i++)\n\n {\n\n if (i%2==0)\n\n {\n\n if (s[i]=='1') ans++;\n\n }\n\n else\n\n {\n\n if (s[i] == '0') ans++;\n\n }\n\n }\n\n\n\n ans2 = ans;\n\n ans = 0;\n\n for(int i=0; i<s.size(); i++)\n\n {\n\n if (i%2)\n\n {\n\n if (s[i]=='1') ans++;\n\n }\n\n else\n\n {\n\n if (s[i] == '0') ans++;\n\n }\n\n }\n\n\n\n cout << min(ans,ans2);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001315"}587{"label": "pie_cpp_validation_001316", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001316.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001316", "task_path": "tasks/validation/pie_cpp_validation_001316.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef long double ld;\n\n\n\nconst int N = 1e5 + 5;\n\nint dp[N][2];\n\nstring s;\n\n\n\nint solve(int idx, int prv){\n\n\tif(idx == s.size())\n\n\t\treturn 0;\n\n\tint &ans = dp[idx][prv];\n\n\tif(~ans)\n\n\t\treturn ans;\n\n\tif(s[idx] - '0' == prv)\n\n\t\treturn ans = solve(idx + 1, !prv) + 1;\n\n\telse\n\n\t\treturn ans = solve(idx + 1, !prv);\n\n}\n\nint main() {\n\n\tios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);\n\n#ifdef ONLINE_JUDGE\n\n // freopen(\"\", \"r\", stdin);\n\n // freopen(\"\", \"w\", stdout);\n\n#endif\n\n\tcin >> s;\n\n\tmemset(dp, -1, sizeof dp);\n\n\tcout << min(solve(0, 0), solve(0, 1));\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001316"}588{"label": "pie_cpp_validation_001317", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001317.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001317", "task_path": "tasks/validation/pie_cpp_validation_001317.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n#define pb push_back\n\n#define F first\n\n#define S second\n\nconst int mod = 1e9 + 7, A = 1e3 + 2;\n\n\n\nint main() {\n\n ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);\n\n string s;\n\n cin >> s;\n\n int cnt = 0, type = s[0] == '1' ? 1 : 0;\n\n for (int i = 1; i < (int)s.size(); i++) {\n\n if (s[i] == '1') {\n\n if (type == 1)\n\n cnt++, type = 0;\n\n else type = 1;\n\n }\n\n else if (s[i] == '0') {\n\n if (type == 0)\n\n cnt++, type = 1;\n\n else type = 0;\n\n }\n\n }\n\n cout << cnt;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001317"}589{"label": "pie_cpp_validation_001318", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001318.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001318", "task_path": "tasks/validation/pie_cpp_validation_001318.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n long long int i,n,tiles=0;\n\n string s;\n\n cin>>s;\n\n if(s[0]=='0')\n\n {\n\n for(i=0;i<s.size();i++)\n\n {\n\n if(i%2==0)\n\n {\n\n if(s[i]!='0')\n\n tiles++;\n\n }\n\n else if(i%2!=0)\n\n if(s[i]!='1')\n\n tiles++;\n\n }\n\n }\n\n else if(s[0]=='1')\n\n {\n\n for(i=0;i<s.size();i++)\n\n {\n\n if(i%2==0)\n\n {\n\n if(s[i]!='1')\n\n tiles++;\n\n }\n\n else if(i%2!=0)\n\n if(s[i]!='0')\n\n tiles++;\n\n }\n\n }\n\n cout<<tiles;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001318"}590{"label": "pie_cpp_validation_001319", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001319.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001319", "task_path": "tasks/validation/pie_cpp_validation_001319.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\nusing lint=int64_t;\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tstring S;\n\n\n\n\tcin >> S;\n\n\tint N=S.size();\n\n\tstring str[2]={\"\",\"\"};\n\n\tfor(int i=0;i<N;i++)\n\n\t{\n\n\t\tif(i%2==0)\n\n\t\t{\n\n\t\t\tstr[0]=str[0]+\"0\";\n\n\t\t\tstr[1]=str[1]+\"1\";\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tstr[0]=str[0]+\"1\";\n\n\t\t\tstr[1]=str[1]+\"0\";\n\n\t\t}\n\n\t}\n\n\n\n\n\n\n\n\tint ans[2]={};\n\n\tfor(int i=0;i<N;i++)\n\n\t{\n\n\t\tif(S[i]==str[0][i])ans[0]++;\n\n\t\tif(S[i]==str[1][i])ans[1]++;\n\n\t}\n\n\n\n\tans[0]=N-ans[0];\n\n\tans[1]=N-ans[1];\n\n\n\n\tcout << min(ans[0],ans[1]) << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001319"}591{"label": "pie_cpp_validation_001320", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001320.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001320", "task_path": "tasks/validation/pie_cpp_validation_001320.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include<string>\n\n#include<cmath>\n\n#include<algorithm>\n\n#include<cctype>\n\n#include<queue>\n\n#include<deque>\n\n#include<regex>\n\n#include<stack>\n\n#include<stdio.h>\n\n#include<vector>\n\n#include<set>\n\n#include<map>\n\n#include<iomanip>\n\n\n\n#define rep(i, n) for(int i=0;i<n;i++)\n\n\n\ntypedef int long long ll;\n\nusing namespace std;\n\nint dx[4] = {1, 0, -1, 0};\n\nint dy[4] = {0, 1, 0, -1};\n\nconst ll MOD = 1e9 + 7;\n\n\n\nint main() {\n\n string s;\n\n cin>>s;\n\n string sc=s;\n\n if(s.size()==1){\n\n cout<<0<<endl;return 0;\n\n }\n\n int ans1=0;\n\n\n\n for(int i=1;i<s.size();i++){\n\n if(s[i]!=s[i-1]){\n\n\n\n }else{\n\n char c=(s[i]=='1'?'0':'1');\n\n s[i]=c;\n\n ans1++;\n\n }\n\n }\n\n \n\n int ans2=0;\n\n for(int i=sc.size()-2;i>=0;i--){\n\n if(sc[i]!=sc[i+1]){\n\n\n\n }else{\n\n char c=(sc[i]=='1'?'0':'1');\n\n sc[i]=c;\n\n ans2++;\n\n }\n\n }\n\n // cout<<ans1<<ans2<<endl;\n\n cout<<min(ans1,ans2)<<endl;\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001320"}592{"label": "pie_cpp_validation_001321", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001321.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001321", "task_path": "tasks/validation/pie_cpp_validation_001321.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n int x = 0, y = 0;\n\n for (int i = 0, j = 0; i < S.size(); i++) {\n\n if (S.at(i) == '0' + j) x++;\n\n else y++;\n\n j = j ^ 1;\n\n }\n\n cout << min(x, y) << \"\\n\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001321"}593{"label": "pie_cpp_validation_001322", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001322.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001322", "task_path": "tasks/validation/pie_cpp_validation_001322.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for(int i=0; i<n ; ++i)\n\n#define REP(i,a,b) for(int i=a; i<b; ++i)\n\ntypedef long long ll;\n\n//\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u5ba3\u8a00\n\nint gcd(int , int);\n\n\n\n\n\nint main(){\n\n string s;\n\n cin >> s;\n\n int ans = 0 , count = 0;\n\n rep(i,s.size()){\n\n if(i % 2 == 0 && s[i] != '1') ans++;\n\n else if(i % 2 == 1 && s[i] != '0') ans++;\n\n }\n\n rep(i,s.size()){\n\n if(i % 2 == 0 && s[i] != '0') count++;\n\n else if(i % 2 == 1 && s[i] != '1') count++;\n\n }\n\n cout << min(ans , count) << endl;\n\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n//\u4ee5\u4e0b\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\n\n//\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u306e\u4e92\u9664\u6cd5\n\n\n\nint gcd(int a, int b) {\n\n return b ? gcd(b, a%b) : a;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001322"}594{"label": "pie_cpp_validation_001323", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001323.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001323", "task_path": "tasks/validation/pie_cpp_validation_001323.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n string S;\n\n cin >> S;\n\n size_t N = S.size();\n\n \n\n // \u4e00\u81f4\u5ea6\n\n int count1 = 0;\n\n int count2 = 0;\n\n for(int i=0; i<N; i++){\n\n // 010101010101...\n\n \t// \u5076\u6570\u756a\u76ee\uff08\uff10\u756a\u76ee\uff0c\uff12\u756a\u76ee\uff0c\uff14\u756a\u76ee\u30fb\u30fb\u30fb\uff09\uff1a0\n\n \t// \u5947\u6570\u756a\u76ee\uff08\uff11\u756a\u76ee\uff0c\uff13\u756a\u76ee\uff0c\uff15\u756a\u76ee\u30fb\u30fb\u30fb\uff09\uff1a1\n\n\tif(i % 2 == 0 && S[i] % 2 == 0){count1 += 1;}\n\n else if(i % 2 == 1 && S[i] % 2 == 1){count1 += 1;}\n\n \n\n // 101010101010...\n\n \t// \u5076\u6570\u756a\u76ee\uff08\uff10\u756a\u76ee\uff0c\uff12\u756a\u76ee\uff0c\uff14\u756a\u76ee\u30fb\u30fb\u30fb\uff09\uff1a1\n\n \t// \u5947\u6570\u756a\u76ee\uff08\uff11\u756a\u76ee\uff0c\uff13\u756a\u76ee\uff0c\uff15\u756a\u76ee\u30fb\u30fb\u30fb\uff09\uff1a0\n\n if(i % 2 == 0 && S[i] % 2 == 1){count2 += 1;}\n\n else if(i % 2 == 1 && S[i] % 2 == 0){count2 += 1;}\n\n }\n\n \n\n // \u3072\u3063\u304f\u308a\u8fd4\u3059\u3068\u52b9\u7387\u306e\u826f\u3044\u65b9\u3092\u6c42\u3081\u308b\n\n int ans = N; // \u521d\u671f\u5024\n\n if(count1 > count2){ans = N - count1;}\n\n else if(count2 >= count1){ans = N - count2;}\n\n \n\n cout << ans;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001323"}595{"label": "pie_cpp_validation_001324", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001324.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001324", "task_path": "tasks/validation/pie_cpp_validation_001324.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n int min_num_changes = (1 << 29) - 1;\n\n\n\n // The first color is black\n\n int num_changes = 0;\n\n for (int i = 0; i < S.size(); i++) {\n\n char color = S.at(i);\n\n if ((i % 2 == 0 && color == '1') || \n\n (i % 2 == 1 && color == '0')) {\n\n num_changes += 1;\n\n }\n\n }\n\n min_num_changes = min(min_num_changes, num_changes);\n\n\n\n // The first color is white\n\n num_changes = 0;\n\n for (int i = 0; i < S.size(); i++) {\n\n char color = S.at(i);\n\n if ((i % 2 == 0 && color == '0') ||\n\n (i % 2 == 1 && color == '1')) {\n\n num_changes += 1;\n\n }\n\n }\n\n min_num_changes = min(min_num_changes, num_changes);\n\n cout << min_num_changes << \"\\n\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001324"}596{"label": "pie_cpp_validation_001325", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001325.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001325", "task_path": "tasks/validation/pie_cpp_validation_001325.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\nstring s;\n\nint main(){\n\n\tcin>>s;\n\n\tint x=0,y=0;\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tif(i%2==0){\n\n\t\t\tif(s[i]!='0')x++;\n\n\t\t}\n\n\t\telse if(i%2!=0) {\n\n\t\t\tif(s[i]!='1')x++;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tif(i%2==0){\n\n\t\t\tif(s[i]!='1')y++;\n\n\t\t}\n\n\t\telse {\n\n\t\t\tif(s[i]!='0')y++;\n\n\t\t}\n\n\t}\n\n\tif(x>y)cout<<y;\n\n\telse cout<<x;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001325"}597{"label": "pie_cpp_validation_001326", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001326.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001326", "task_path": "tasks/validation/pie_cpp_validation_001326.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n int t,n,i,j=0,c=0;\n\n string s;\n\n cin>>s;\n\n for(i=1;i<s.size();i++)\n\n {\n\n if(s[i]=='1')\n\n {\n\n if(s[i-1]=='1'){\n\n s[i]='0';\n\n c++;\n\n }\n\n }\n\n if(s[i]=='0')\n\n {\n\n if(s[i-1]=='0'){\n\n s[i]='1';\n\n c++;\n\n }\n\n }\n\n }\n\n cout<<c<<\"\\n\";\n\n\n\n\n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001326"}598{"label": "pie_cpp_validation_001327", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001327.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001327", "task_path": "tasks/validation/pie_cpp_validation_001327.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n int x = 0;\n\n int y = 0;\n\n for(int i = 0; i < s.length(); i++)\n\n {\n\n if(i%2==0)\n\n {\n\n if(s[i]!='0')\n\n {\n\n x++;\n\n }\n\n else\n\n {\n\n y++;\n\n }\n\n }\n\n else\n\n {\n\n if(s[i]!='0')\n\n {\n\n y++;\n\n }\n\n else\n\n {\n\n x++;\n\n }\n\n }\n\n }\n\n int ans = min(x,y);\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001327"}599{"label": "pie_cpp_validation_001328", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001328.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001328", "task_path": "tasks/validation/pie_cpp_validation_001328.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n// https://youtu.be/X_hMZYDMps4\n\n\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef long long unsigned llu;\n\ntypedef pair<long long, long long> pll;\n\nconst long long inf = 2000000000000000000LL; // 2e18\n\n#define pi acos(-1.0)\n\n#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)\n\n#define nl \"\\n\"\n\n#define ff first\n\n#define ss second\n\n#define pb push_back\n\n#define pf push_front\n\n#define all(x) x.begin(),x.end()\n\n#define debug(x) cout<<\"debug \"<<x<<\"\\n\"\n\n\n\nint main()\n\n{\n\n fast;\n\n ll t,i,j,k,l,m,n,o,p,q,temp,ans=0,flag=0,mod=1000000007,odd=0,even=0;\n\n string s;\n\n cin>>s;\n\n for(i=0;i<s.size();i++){\n\n if(ll(s[i]-'0')==i%2) odd++;\n\n if(ll(s[i]-'0')!=i%2) even++;\n\n }\n\n cout<<min(odd,even);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001328"}600{"label": "pie_cpp_validation_001329", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001329.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001329", "task_path": "tasks/validation/pie_cpp_validation_001329.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define LL long long\n\n#define ULL long long unsigned\n\n#define LD long double\n\n#define ff first\n\n#define ss second\n\n#define FOR(i,n) for(int i=0;i<n;i++)\n\n#define FLR(i,n) for(LL i=0;i<n;i++)\n\n#define RFOR(i,n) for(int i=n-1;i>=0;i--)\n\n#define RFLR(i,n) for(LL i=n-1;i>=0;i--)\n\n#define rep(i,a,b) for(int i=a;i<=b;i++)\n\n#define repl(i,a,b) for(LL i=a;i<=b;i++)\n\n#define fast ios_base::sync_with_stdio(0);cin.tie(0);\n\n#define all(a) a.begin(),a.end()\n\n#define ABS(x) ((x)<0?-(x):(x))\n\n#define NL \"\\n\"\n\n#define pb push_back\n\n#define mk make_pair\n\n#define pi acos(-1.0)\n\n#define prec(n) fixed << setprecision(n)\n\n#define sq(a) (a)*(a)\n\n#define asi cout<<\"check\"<<\" \";\n\n#define all_set(arr,val) memset(arr,val,sizeof(arr))\n\n\n\nint main()\n\n{\n\n fast;\n\n int i,j,k,n,kount1=0,kount2=0,kount3=0,kount4=0,ans;\n\n string s;\n\n cin>>s;\n\n n=s.size();\n\n FOR(i,n){\n\n if(i%2==0){\n\n if(s[i]=='0')kount1++;\n\n else kount3++;\n\n }\n\n else{\n\n if(s[i]=='0')kount2++;\n\n else kount4++;\n\n }\n\n }\n\n ans=min(kount3+kount2,kount1+kount4);\n\n cout<<ans;\n\n\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001329"}601{"label": "pie_cpp_validation_001330", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001330.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001330", "task_path": "tasks/validation/pie_cpp_validation_001330.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include<bits/stdc++.h>\n\n#include <cstring>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int i, a = 0, b= 0 ;\n\n string s;\n\n cin >> s;\n\n int l= s.size();\n\n \n\n \n\n for(i = 0; i < l; i+=2)\n\n {\n\n if(s[i]!= '0') a++;\n\n }\n\n\n\n for(i = 1; i < l; i+=2)\n\n {\n\n if(s[i]!= '1') b++;\n\n }\n\n\n\n int ans = a+b;\n\n if(ans <= l/2) cout << ans;\n\n else cout << l- ans;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001330"}602{"label": "pie_cpp_validation_001331", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001331.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001331", "task_path": "tasks/validation/pie_cpp_validation_001331.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n string s;\n\n int c = 0;\n\n cin >> s;\n\n\n\n for(int i=0; i<s.size()-1; i++){\n\n if(s[i] == '0' && s[i+1] == '0'){\n\n s[i+1] = '1';\n\n c++;\n\n }\n\n if(s[i] == '1' && s[i+1] == '1'){\n\n s[i+1] = '0';\n\n c++;\n\n }\n\n }\n\n\n\n cout << c << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001331"}603{"label": "pie_cpp_validation_001332", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001332.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001332", "task_path": "tasks/validation/pie_cpp_validation_001332.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ll long long\n\n#define pb push_back\n\n#define vi vector<int>\n\n#define nl endl\n\n#define tc \\\n\n ll t; \\\n\n cin >> t; \\\n\n while (t--)\n\n#define fastio \\\n\n ios_base::sync_with_stdio(NULL); \\\n\n cin.tie(NULL); \\\n\n cout.tie(NULL);\n\nusing namespace std;\n\nint main()\n\n{\n\n fastio;\n\n string s;\n\n cin >> s;\n\n int n = s.size(), c = 0;\n\n for (int i = 0; i < n - 1; i++)\n\n {\n\n if (s[i] == '1' && s[i + 1] == '1')\n\n {\n\n c++;\n\n s[i + 1] = '0';\n\n }\n\n else if (s[i] == '0' && s[i + 1] == '0')\n\n {\n\n c++;\n\n s[i + 1] = '1';\n\n }\n\n }\n\n cout<<c;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001332"}604{"label": "pie_cpp_validation_001333", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001333.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001333", "task_path": "tasks/validation/pie_cpp_validation_001333.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n/* Mohammed Sami Khan\n\n \u09ae\u09cb\u09b9\u09be\u09ae\u09cd\u09ae\u09a6 \u09b8\u09be\u09ae\u09c0 \u0996\u09be\u09a8\n\n*/\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define pi acos(-1.0)\n\n#define mp(a,b) make_pair(a,b)\n\n#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\n\n\nbool sortbysecc(const pair<int,int> &a, const pair<int,int> &b){\n\n return (a.second < b.second);\n\n}\n\n\n\nint main()\n\n{\n\n fastio;\n\n ll t, n, m, x=0, y=0, p, q, r, i, j, d, f=0;\n\n string s, a=\"\", b=\"\";\n\n cin>>s;\n\n for(i=0;i<s.size();i++){\n\n if(i%2){\n\n a.push_back('1');\n\n b.push_back('0');\n\n }\n\n else {\n\n a.push_back('0');\n\n b.push_back('1');\n\n }\n\n }\n\n for(i=0;i<s.size();i++){\n\n if(s[i]!=a[i]) x++;\n\n if(s[i]!=b[i]) y++;\n\n }\n\n cout<<min(x, y);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001333"}605{"label": "pie_cpp_validation_001334", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001334.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001334", "task_path": "tasks/validation/pie_cpp_validation_001334.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#ifndef LOCAL\n\n#pragma GCC optimize(\"O3\")\n\n#endif\n\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n#define sim template < class c\n\n#define ris return * this\n\n#define dor > debug & operator <<\n\n#define eni(x) sim > typename \\\n\n enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {\n\nsim > struct rge { c b, e; };\n\nsim > rge<c> range(c i, c j) { return rge<c>{i, j}; }\n\nsim > auto dud(c* x) -> decltype(cerr << *x, 0);\n\nsim > char dud(...);\n\nstruct debug {\n\n#ifdef LOCAL\n\n~debug() { cerr << endl; }\n\neni(!=) cerr << boolalpha << i; ris; }\n\neni(==) ris << range(begin(i), end(i)); }\n\nsim, class b dor(pair < b, c > d) {\n\n ris << \"(\" << d.first << \", \" << d.second << \")\";\n\n}\n\nsim dor(rge<c> d) {\n\n *this << \"[\";\n\n for (auto it = d.b; it != d.e; ++it)\n\n *this << \", \" + 2 * (it == d.b) << *it;\n\n ris << \"]\";\n\n}\n\n#else\n\nsim dor(const c&) { ris; }\n\n#endif\n\n};\n\n#define imie(...) \" [\" << #__VA_ARGS__ \": \" << (__VA_ARGS__) << \"] \"\n\ntypedef long long ll;\n\n\n\nint main(){\n\n string s ;\n\n cin >> s ;\n\n\n\n int start = 0 ;\n\n int cnt = 0 ;\n\n for(int i=0;i<(int)s.size();i++){\n\n if ( start != s[i]-'0' ) cnt++ ;\n\n debug() << imie(start) ;\n\n start = !start ;\n\n }\n\n int nax = cnt ;\n\n cnt = 0 ;\n\n start = 1 ;\n\n for(int i=0;i<(int)s.size();i++){\n\n if ( start != s[i]-'0' ) cnt++ ;\n\n start = !start ;\n\n }\n\n cout << min(nax,cnt) << endl;\n\n\n\n return 0 ;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001334"}606{"label": "pie_cpp_validation_001335", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001335.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001335", "task_path": "tasks/validation/pie_cpp_validation_001335.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<stdio.h>\n\n#include<algorithm>\n\n#include<string>\n\n#include<math.h>\n\n#include<vector>\n\n#include<iomanip>\n\nusing namespace std;\n\n\n\nint main(void)\n\n{\n\n int count = 0;\n\n string s;\n\n cin >> s;\n\n for(int i = 0;i < s.size() - 1;i++)\n\n {\n\n if(s[i] == s[i + 1])\n\n {\n\n if(s[i] == '1'){s[i + 1] = '0';}\n\n else{s[i + 1] = '1';}\n\n count++;\n\n }\n\n }\n\n cout << count << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001335"}607{"label": "pie_cpp_validation_001336", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001336.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001336", "task_path": "tasks/validation/pie_cpp_validation_001336.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <set>\n\n#include <map>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <iomanip>\n\n#include <climits>\n\n#include <numeric>\n\n#include <cmath>\n\n#include <queue>\n\n#include <sstream>\n\n#include <string.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n\n\n string oz = \"\", zo = \"\";\n\n for (int i = 0; i < s.size(); i++) {\n\n if (i % 2 == 0) {\n\n oz += '0';\n\n zo += '1';\n\n } else {\n\n oz += '1';\n\n zo += '0';\n\n }\n\n }\n\n \n\n ll ozc = 0, zoc = 0;\n\n for (ll i = 0; i < s.size(); i++) {\n\n if (oz[i] != s[i]) {\n\n ozc++;\n\n }\n\n if (zo[i] != s[i]) {\n\n zoc++;\n\n }\n\n }\n\n cout << min(ozc, zoc) << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001336"}608{"label": "pie_cpp_validation_001337", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001337.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001337", "task_path": "tasks/validation/pie_cpp_validation_001337.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string S; cin >> S;\n\n int len = S.length();\n\n\n\n int ans1{};\n\n for (int i{}; i < len; ++i) {\n\n if (S[i] != (i % 2 == 0 ? '0' : '1')) ++ans1;\n\n }\n\n\n\n int ans2{};\n\n for (int i{}; i < len; ++i) {\n\n if (S[i] != (i % 2 == 1 ? '0' : '1')) ++ans2;\n\n }\n\n\n\n cout << min(ans1, ans2) << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001337"}609{"label": "pie_cpp_validation_001338", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001338.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001338", "task_path": "tasks/validation/pie_cpp_validation_001338.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll=long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vector<int>>;\n\nusing vl = vector<ll>;\n\nusing vvl = vector<vector<ll>>;\n\n#define all(x) x.begin(),x.end()\n\n#define rep(i,j,n) for (long long i = j; i < (long long)(n); i++)\n\n#define _GLIBCXX_DEBUG\n\n#define MOD 1000000007\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }\n\n//name[i][j]-> vvl name(i,vl(j))\n\n//map<int,int>mp\n\n//\u4f59\u308a\u3092\u5207\u308a\u4e0a\u3052\u308b => (a + b - 1) / b \n\n\n\nsigned main(){\n\n\tstring s; cin>>s;\n\n\tint n=s.size();\n\n\tll ans=0;\n\n\trep(i,0,n-1){\n\n\t\tif(s[i]==s[i+1]){\n\n\t\t\tans++;\n\n\t\t\tif(s[i+1]=='0')s[i+1]='1';\n\n\t\t\telse s[i+1]='0';\n\n\t\t}\n\n\t}\n\n\tcout<<ans<<endl;\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001338"}610{"label": "pie_cpp_validation_001339", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001339.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001339", "task_path": "tasks/validation/pie_cpp_validation_001339.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(void){\n\n\tstring S;\n\n\tcin >> S;\n\n\tint a=0,b=0;\n\n\t//0101\u306e\u30d1\u30bf\u30f3\n\n\tfor(int i=0;i<S.size();i++){\n\n\t\tif(i%2==0){\n\n\t\t\tif(S[i]=='1'){\n\n\t\t\t\ta++;\n\n\t\t\t}\n\n\t\t}else{\n\n\t\t\tif(S[i]=='0'){\n\n\t\t\t\ta++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<S.size();i++){\n\n\t\tif(i%2==0){\n\n\t\t\tif(S[i]=='0'){\n\n\t\t\t\tb++;\n\n\t\t\t}\n\n\t\t}else{\n\n\t\t\tif(S[i]=='1'){\n\n\t\t\t\tb++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout << min(a,b) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001339"}611{"label": "pie_cpp_validation_001340", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001340.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001340", "task_path": "tasks/validation/pie_cpp_validation_001340.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nconst int INF = 1000000;\n\n\n\nint main(){\n\n string S;\n\n cin >> S;\n\n \n\n int ans = INF;\n\n \n\n string b, w;\n\n for(int i = 0; i < S.length(); i++){\n\n if(i % 2 == 0){\n\n b += '0';\n\n w += '1';\n\n }\n\n else{\n\n b += '1';\n\n w += '0';\n\n }\n\n }\n\n \n\n int cnt = 0;\n\n for(int i = 0; i < S.length(); i++){\n\n if(S[i] != b[i]){\n\n cnt++;\n\n }\n\n }\n\n ans = min(ans, cnt);\n\n \n\n cnt = 0;\n\n for(int i = 0; i < S.length(); i++){\n\n if(S[i] != w[i]){\n\n cnt++;\n\n }\n\n }\n\n ans = min(ans, cnt);\n\n \n\n cout << ans << endl;\n\n \n\n // cout << b << endl << w << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001340"}612{"label": "pie_cpp_validation_001341", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001341.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001341", "task_path": "tasks/validation/pie_cpp_validation_001341.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <queue>\n\n#include <string>\n\n#include <map>\n\n#include <set>\n\n#include <tuple>\n\n#include <deque>\n\n#include <numeric>\n\n#include <bitset>\n\n#include <iomanip>\n\n#include <cassert>\n\n#include <chrono>\n\n#include <random>\n\n#include <limits>\n\n#include <iterator>\n\n#include <functional>\n\n#include <sstream>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> P;\n\ntypedef pair<int, double> Pid;\n\ntypedef pair<double, int> Pdi;\n\ntypedef pair<ll, int> Pl;\n\nconst double PI = 3.1415926535897932; // acos(-1)\n\nconst double EPS = 1e-15;\n\nconst int INF = 1001001001;\n\nconst ll mod = 1e+9 + 7;\n\n\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\n#define chadd(x, y) x = (x + y) % mod\n\n\n\nint main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(nullptr);\n\n\n\n string s;\n\n cin >> s;\n\n int n = s.length();\n\n int res = INF;\n\n // s[0] == '0'\n\n int cnt = 0;\n\n for(int i = 0; i < n; ++i){\n\n if(i % 2 == 0){\n\n if(s[i] == '1') ++cnt;\n\n }\n\n else{\n\n if(s[i] == '0') ++cnt;\n\n }\n\n }\n\n chmin(res, cnt);\n\n cnt = 0;\n\n // s[0] == '1'\n\n for(int i = 0; i < n; ++i){\n\n if(i % 2 == 0){\n\n if(s[i] == '0') ++cnt;\n\n }\n\n else{\n\n if(s[i] == '1') ++cnt;\n\n }\n\n }\n\n chmin(res, cnt);\n\n cout << res << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001341"}613{"label": "pie_cpp_validation_001342", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001342.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001342", "task_path": "tasks/validation/pie_cpp_validation_001342.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n\n\nint main()\n\n{\n\n std::string s;\n\n std::cin >> s;\n\n int sizeS = s.length();\n\n int counter = 0;\n\n for(int i = 0; i < sizeS; i++){\n\n if(s[i] == s[i+1]){\n\n counter++;\n\n if(s[i] == '0'){\n\n s[i+1] = '1';\n\n }\n\n else if(s[i] == '1'){\n\n s[i+1] = '0';\n\n }\n\n } \n\n }\n\n std::cout << counter;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001342"}614{"label": "pie_cpp_validation_001343", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001343.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001343", "task_path": "tasks/validation/pie_cpp_validation_001343.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define FOR(i, j, k) for(int i = j; i <= k; i++)\n\n#define SZ 110000\n\n#define PB push_back\n\n#define MEM(n, val) memset((n), val, sizeof(n))\n\n#define INF 1000000000\n\n#define F first\n\n#define S second\n\n#define MP make_pair\n\n#define LL long long\n\n\n\nstring s;\n\nint dp[100010][3];\n\n\n\nint func(int pos, int past) {\n\n if(pos == s.size()) {\n\n return 0;\n\n }\n\n if(dp[pos][past] != -1) {\n\n return dp[pos][past];\n\n }\n\n int ans = 1000000000;\n\n if(past == 1) {\n\n ///current ta 0 boshbe\n\n int cc = 0;\n\n if((s[pos] - '0') == 1) {\n\n cc = 1;\n\n }\n\n ans = min(ans, cc + func(pos + 1, 0));\n\n }\n\n else if(past == 0) {\n\n ///current ta 1 boshbe\n\n int cc = 0;\n\n if((s[pos] - '0') == 0) {\n\n cc = 1;\n\n }\n\n ans = min(ans, cc + func(pos + 1, 1));\n\n }\n\n else {\n\n ///current ta boshiye\n\n ans = min(ans, func(pos + 1, s[pos] - '0'));\n\n\n\n ///current ta na boshiye\n\n ans = min(ans, 1 + func(pos + 1, !(s[pos] - '0')));\n\n }\n\n return dp[pos][past] = ans;\n\n}\n\n\n\nint main() {\n\n// freopen(\"in.txt\", \"r\", stdin);\n\n\n\n cin >> s;\n\n MEM(dp, -1);\n\n cout << func(0, 2) << \"\\n\";\n\n\n\n return 0;\n\n}\n\n/**\n\n*/\n```", "split": "validation", "task_id": "pie_cpp_validation_001343"}615{"label": "pie_cpp_validation_001344", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001344.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001344", "task_path": "tasks/validation/pie_cpp_validation_001344.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int mod = 1000000007;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n\n\nint int_len(int n) {\n\n int s=0;\n\n while(n!=0) s++, n/=10;\n\n return s;\n\n}\n\n\n\nint int_sum(int n) {\n\n int m=0,s=0,a=n;\n\n while(a!=0) s++, a/=10;\n\n for(int i=s-1;i>=0;i--) m+=n/((int)pow(10,i))-(n/((int)pow(10,i+1)))*10;\n\n return m;\n\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\nint ggcd(int a,int b)\n\n{\n\n \n\n int r, tmp;\n\n \n\n \n\n \n\n /* \u81ea\u7136\u6570 a > b \u3092\u78ba\u8a8d\u30fb\u5165\u66ff */\n\n if(a<b){\n\n tmp = a;\n\n a = b;\n\n b = tmp;\n\n }\n\n \n\n /* \u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u306e\u4e92\u9664\u6cd5 */\n\n r = a % b;\n\n while(r!=0){\n\n a = b;\n\n b = r;\n\n r = a % b;\n\n }\n\n \n\n \n\n \n\n return b;\n\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nint fac(int n){\n\n int m=1;\n\n while(n>=1) m*=n,n--;\n\n return m;\n\n}\n\n\n\nint vec_sum(vector<int> v){\n\n int n=0;\n\n for(int i=0;i<v.size();i++) n+=v[i];\n\n return n;\n\n}\n\n///////////////////////////\n\nint main() {\n\n string s,a;\n\n int count=0,n;\n\n cin>>s;\n\n rep(i,s.size()){\n\n if(i%2==0){\n\n a+='1';\n\n }else{\n\n a+='0';\n\n }\n\n }\n\n rep(i,s.size()){\n\n if(s[i]==a[i]) count++;\n\n }\n\n n=s.size()-count;\n\n cout<<min(count,n)<<endl;\n\n}\n\n///////////////////////////\n```", "split": "validation", "task_id": "pie_cpp_validation_001344"}616{"label": "pie_cpp_validation_001345", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001345.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001345", "task_path": "tasks/validation/pie_cpp_validation_001345.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <math.h>\n\n\n\nint main()\n\n{\n\n std::string S;\n\n std::cin >> S;\n\n\n\n int cnt = 0;\n\n\n\n std::string ss[2];\n\n for (int i = 0; i < 2; ++i)\n\n {\n\n std::string str;\n\n ss[i].resize(S.length());\n\n for (int j = 0; j < S.length(); ++j)\n\n {\n\n char c = ((i + j) % 2 == 0 ? '0' : '1');\n\n str += c;\n\n }\n\n ss[i] = str;\n\n }\n\n\n\n int cnt1 = 0;\n\n for (int i = 0; i < S.length(); ++i)\n\n {\n\n if (S[i] != ss[0][i])\n\n {\n\n cnt++;\n\n }\n\n if (S[i] != ss[1][i])\n\n {\n\n cnt1++;\n\n }\n\n }\n\n\n\n\n\n std::cout << (cnt < cnt1 ? cnt : cnt1) << std::endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001345"}617{"label": "pie_cpp_validation_001346", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001346.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001346", "task_path": "tasks/validation/pie_cpp_validation_001346.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tstring S;\n\n\tcin >> S;\n\n\n\n\tint cnt = 0;\n\n\tfor(int i = 1; i < S.size(); ++i) {\n\n\t\tif(S.at(i - 1) == S.at(i)) {\n\n\t\t\tif(S.at(i) == '0') {\n\n\t\t\t\tS.replace(i, 1, \"1\");\n\n\t\t\t} else {\n\n\t\t\t\tS.replace(i, 1, \"0\");\n\n\t\t\t}\n\n\t\t\tcnt++;\n\n\t\t}\n\n\t}\n\n\n\n\tcout << cnt << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001346"}618{"label": "pie_cpp_validation_001347", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001347.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001347", "task_path": "tasks/validation/pie_cpp_validation_001347.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define all(x) (x).begin(),(x).end()\n\n#define MOD 1000000007\n\n#define INF (1e9)\n\n#define PI (acos(-1))\n\n#define print(x) cout << x << endl\n\n#define yes cout << \"Yes\" << endl\n\n#define YES cout << \"YES\" << endl\n\n#define no cout << \"No\" << endl\n\n#define NO cout << \"NO\" << endl\n\n\n\n\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n int N = S.size();\n\n int cnt0 = 0;\n\n int cnt1 = 0;\n\n rep(i, N) {\n\n if (i % 2 == 0 && S[i] != '0') cnt0++;\n\n if (i % 2 == 1 && S[i] != '1') cnt0++;\n\n if (i % 2 == 0 && S[i] != '1') cnt1++;\n\n if (i % 2 == 1 && S[i] != '0') cnt1++;\n\n }\n\n\n\n print(min(cnt0, cnt1));\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001347"}619{"label": "pie_cpp_validation_001348", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001348.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001348", "task_path": "tasks/validation/pie_cpp_validation_001348.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n# include <iostream>\n\nusing namespace std;\n\n\n\nint main() {\n\n string s; cin >> s;\n\n string w_s[s.size()], b_s[s.size()];\n\n \n\n int w_cnt = 0, b_cnt = 0;\n\n for (int i = 0; i < s.size(); ++i) {\n\n if (i % 2 == 0) {\n\n if (s[i] == '1') ++b_cnt;\n\n else if (s[i] == '0') ++w_cnt;\n\n }\n\n else {\n\n if (s[i] == '1') ++w_cnt;\n\n else if (s[i] == '0') ++b_cnt;\n\n }\n\n }\n\n cout << min(w_cnt, b_cnt) << endl;\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001348"}620{"label": "pie_cpp_validation_001349", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001349.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001349", "task_path": "tasks/validation/pie_cpp_validation_001349.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<string>\n\n#include<map>\n\n#include<vector>\n\n#include<set>\n\n#include<iomanip>\n\n#include<cmath>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long long int llint;\n\ntypedef pair<ll, ll> pa;\n\n#define MM 1000000000\n\n#define MOD MM+7\n\n#define MAX 101000\n\n#define MAP 110\n\n#define initial_value -1\n\n#define MAX_T 1001\n\n#define Pair pair<int,int>\n\n#define chmax(a,b) (a<b ? a=b:0)\n\n#define chmin(a,b) (a>b ? a=b:0)\n\n#define INF (1 << 29) //536870912\n\nconst long double PI = acos(-1);\n\nconst ll DEP = 1e18;\n\nint dx[4] = {-1,0,1,0};\n\nint dy[4] = {0,-1,0,1};\n\nstring s;\n\nint count(string t){\n\n int num = 0;\n\n for(int i = 1; i < t.size(); i++){\n\n if(s[i] == s[i-1]){\n\n num++;\n\n if(s[i-1] == '0') s[i] = '1';\n\n else s[i] = '0';\n\n }\n\n }\n\n return num;\n\n}\n\nint main(){\n\n cin >> s;\n\n int cnt = MM;\n\n if(s[0] == '0'){\n\n cnt = min(cnt,count(s));\n\n s[0] = '1';\n\n cnt = min(cnt, count(s)+1);\n\n cout << cnt << endl;\n\n } else {\n\n cnt = min(cnt,count(s));\n\n s[0] = '0';\n\n cnt = min(cnt, count(s)+1);\n\n cout << cnt << endl;\n\n }\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001349"}621{"label": "pie_cpp_validation_001350", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001350.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001350", "task_path": "tasks/validation/pie_cpp_validation_001350.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\nstring s;\n\nint n;\n\n\n\nint min(int x,int y){\n\n\tif (x<y) return x;\n\n\telse return y;\n\n}\n\n\n\nint ans0(string s0){\n\n\tint ans=0;\n\n\tif (s0[0]!='0'){\n\n\t\ts0[0]='0';\n\n\t\tans++;\n\n\t}\n\n\tfor (int i=1;i<n;i++){\n\n\t\tif (s0[i]==s0[i-1]){\n\n\t\t\tif (s0[i-1]=='0'){\n\n\t\t\t\ts0[i]='1';ans++;\n\n\t\t\t}else{\n\n\t\t\t\ts0[i]='0';ans++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn ans;\n\n}\n\nint ans1(string s0){\n\n\tint ans=0;\n\n\tif (s0[0]!='1'){\n\n\t\ts0[0]='1';\n\n\t\tans++;\n\n\t}\n\n\tfor (int i=1;i<n;i++){\n\n\t\tif (s0[i]==s0[i-1]){\n\n\t\t\tif (s0[i-1]=='0'){\n\n\t\t\t\ts0[i]='1';ans++;\n\n\t\t\t}else{\n\n\t\t\t\ts0[i]='0';ans++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn ans;\n\n}\n\n\n\nint main(){\n\n\tcin>>s;\n\n\tn=s.size();\n\n\tint ans=min(ans0(s),ans1(s));\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001350"}622{"label": "pie_cpp_validation_001351", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001351.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001351", "task_path": "tasks/validation/pie_cpp_validation_001351.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nvector<char>mp;\n\nint main(){\n\n\tstring s;\n\n\tcin>>s;\n\n\tint final=0;\n\n\tchar lastchar=s[0];\n\n\tfor (int x=1;x<s.length();x++){\n\n\t\tchar a=s[x];\n\n\t\tif (a=='0'){\n\n\t\t\tif (lastchar=='0'){\n\n\t\t\t\tfinal++;\n\n\t\t\t\tlastchar='1';\n\n\t\t\t}\n\n\t\t\telse lastchar='0';\n\n\t\t}\n\n\t\telse if (a=='1'){\n\n\t\t\tif (lastchar=='1'){\n\n\t\t\t\tfinal++;\n\n\t\t\t\tlastchar='0';\n\n\t\t\t}\n\n\t\t\telse lastchar='1';\n\n\t\t}\n\n\t}\n\n\tcout<<final<<endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001351"}623{"label": "pie_cpp_validation_001352", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001352.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001352", "task_path": "tasks/validation/pie_cpp_validation_001352.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int N = 2e5 + 5;\n\nstring s;\n\nint main() {\n\n ios::sync_with_stdio(false); cin.tie(0);\n\n cin >> s;\n\n int n = s.length();\n\n string t = \"\";\n\n for(int i = 0; i < n; i++) {\n\n if(i & 1) t += \"0\";\n\n else t += \"1\";\n\n }\n\n int ans = n + 1;\n\n int cur = 0;\n\n for(int i = 0; i < n; i++) {\n\n if(s[i] != t[i]) ++cur;\n\n }\n\n ans = cur;\n\n cur = 0;\n\n t = \"\";\n\n for(int i = 0; i < n; i++) {\n\n if(i & 1) t += \"1\";\n\n else t += \"0\";\n\n }\n\n for(int i = 0; i < n; i++) {\n\n if(s[i] != t[i]) ++cur;\n\n }\n\n ans = min(ans, cur);\n\n cout << ans;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001352"}624{"label": "pie_cpp_validation_001353", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001353.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001353", "task_path": "tasks/validation/pie_cpp_validation_001353.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\n\n ios::sync_with_stdio(false);\n\n\n\n char s[100000];\n\n int cont1=0,cont2=0;\n\n\n\n cin>>s;\n\n\n\n for(int i=0;s[i]!='\\0';i++){\n\n if(i%2==0){\n\n if(s[i]=='1'){\n\n cont2++;\n\n }\n\n else{\n\n cont1++;\n\n }\n\n }\n\n else{\n\n if(s[i]=='1'){\n\n cont1++;\n\n }\n\n else{\n\n cont2++;\n\n }\n\n }\n\n }\n\n\n\n if(cont1<cont2)cout<<cont1<<endl;\n\n else cout<<cont2<<endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001353"}625{"label": "pie_cpp_validation_001354", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001354.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001354", "task_path": "tasks/validation/pie_cpp_validation_001354.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n#define sz(a) int(a.size())\n\n#define ll long long int\n\n#define mod (long long)(1e9+7)\n\n#define endl '\\n'\n\n#define ENGZ ios::sync_with_stdio(0);ios_base::sync_with_stdio(0);cin.tie(0) , cout.tie(0) ;\n\n#define pi (acos(-1))\n\n#define F first\n\n#define S second\n\n\n\nll fp(ll n , ll p )\n\n{\n\n if(p==0)\n\n return 1;\n\n if(p==1)\n\n return n ;\n\n ll res = fp(n,p/2)%mod ;\n\n res=((res)*(res))%mod ;\n\n if(p%2)\n\n res=(res*n)%mod ;\n\n return res ;\n\n}\n\n\n\n\n\nint main()\n\n{\n\n ENGZ;\n\n string s ;\n\n cin>>s ;\n\n string a = \"\" , b = \"\" ;\n\n for(int i=0 ; i<sz(s) ; i++)\n\n {\n\n if(i%2){\n\n a+=\"0\";\n\n b+=\"1\";\n\n\n\n }\n\n else\n\n {\n\n a+=\"1\";\n\n b+=\"0\";\n\n }\n\n }\n\n int ans = 0 , ans1= 0 ;\n\n for(int i=0 ; i<sz(s) ; i++)\n\n {\n\n if(s[i] != a[i])ans++ ;\n\n if(s[i] != b[i])ans1++ ;\n\n }\n\n cout<<min(ans1,ans) <<endl ;\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001354"}626{"label": "pie_cpp_validation_001355", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001355.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001355", "task_path": "tasks/validation/pie_cpp_validation_001355.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\n#define Nmax int(1e5 + 1)\n\nusing namespace std;\n\n\n\nchar s[Nmax];\n\nint nr,p;\n\n\n\nint main()\n\n{\n\n cin >> s;\n\n p = '1' - s[0];\n\n for(int i = 1; s[i]; ++i)\n\n {\n\n if((s[i] - '0') != p)\n\n nr++,s[i] = p + 48;\n\n p = '1' - s[i];\n\n }\n\n cout << nr;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001355"}627{"label": "pie_cpp_validation_001356", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001356.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001356", "task_path": "tasks/validation/pie_cpp_validation_001356.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i; i<(n); i++)\n\nusing namespace std;\n\n\n\n \n\nint main() {\n\n\n\n string a;\n\n cin >> a;\n\n \n\n int count = a.size();\n\n vector<int> s(count);\n\n vector<int> s0(count);\n\n vector<int> s1(count);\n\n \n\n vector<char> b;\n\n b.push_back('0');\n\n b.push_back('1');\n\n \n\n int d0 = 0;\n\n int d1 = 0;\n\n \n\n for(int i=0; i<count; i++)\n\n {\n\n s[i] = a[i];\n\n int id0 = i%2;\n\n int id1 = (i+1)%2;\n\n// cout << id1 << \", \" << id0 << endl;\n\n// s0[i] = b[id0];\n\n// s1[i] = b[id1];\n\n \n\n if(a[i] != b[id1])\n\n {\n\n d0++;\n\n }\n\n if(a[i] != b[id0])\n\n {\n\n d1++;\n\n }\n\n }\n\n \n\n// cout << d1 << \", \" << d0 << endl;\n\n cout << min(d1,d0) << endl;\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001356"}628{"label": "pie_cpp_validation_001357", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001357.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001357", "task_path": "tasks/validation/pie_cpp_validation_001357.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\nusing namespace std;\n\nint main() {\n\n string s;\n\n cin >> s;\n\n int ans=0;\n\n if(s.length()==1) {\n\n cout << 0 << endl;\n\n return 0;\n\n }\n\n for(int i=0; i<s.length()-1; i++) {\n\n if(s[i]==s[i+1]) {\n\n ans++;\n\n if(s[i]=='0') {\n\n s[i+1]='1';\n\n }\n\n else {\n\n s[i+1]='0';\n\n }\n\n }\n\n else {\n\n ans+=0;\n\n }\n\n }\n\n cout << ans << endl;\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001357"}629{"label": "pie_cpp_validation_001358", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001358.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001358", "task_path": "tasks/validation/pie_cpp_validation_001358.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n \n\nint main() {\n\n string s;\n\n cin >>s;\n\n int kazu=s.size();\n\n string a;\n\n rep(i,kazu){\n\n string moji=to_string(i%2);\n\n a+=moji;\n\n }\n\n int kotae1=0;\n\n rep(i,kazu)if(s[i]==a[i])kotae1++;\n\n string b;\n\n rep(i,kazu){\n\n string moji;\n\n int amari=i%2+1;\n\n if(amari==2)amari=0;\n\n moji=to_string(amari);\n\n b+=moji;\n\n }\n\n int kotae2=0;\n\n rep(i,kazu)if(s[i]==b[i])kotae2++;\n\n int kotae=min(kotae1,kotae2);\n\n cout<<kotae<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001358"}630{"label": "pie_cpp_validation_001359", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001359.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001359", "task_path": "tasks/validation/pie_cpp_validation_001359.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string s;\n\n cin>>s;\n\n int n = s.length();\n\n int odd=0, even=0;\n\n int i = 0;\n\n while (i < n) {\n\n even += (s[i]=='0');\n\n i++;\n\n if(i<n) odd += (s[i]=='1');\n\n i++;\n\n }\n\n \n\n cout<<min(even+odd,n-(even+odd))<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001359"}631{"label": "pie_cpp_validation_001360", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001360.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001360", "task_path": "tasks/validation/pie_cpp_validation_001360.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin>>s;\n\n\tdeque<char> v;\n\n\tdeque<char> t;\n\n\tbool flag=true;\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tif(flag){\n\n\t\t\tv.push_back('1');\n\n\t\t\tt.push_back('0');\n\n\t\t\tflag=false;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\telse if(!flag){\n\n\t\t\tv.push_back('0');\n\n\t\t\tt.push_back('1');\n\n\t\t\tflag=true;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t}\n\n\tint cnt=0;\n\n\tint res=0;\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tif(v[i]!=s[i])cnt++;\n\n\t\tif(t[i]!=s[i])res++;\n\n\t}\n\n\tcout<<min(res,cnt)<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001360"}632{"label": "pie_cpp_validation_001361", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001361.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001361", "task_path": "tasks/validation/pie_cpp_validation_001361.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n vector<int> seq;\n\n\n\n int flip1 = 0;\n\n int flip2 = 0;\n\n for (int i = 0; i < s.length(); i++) {\n\n if (i % 2 == 0 && s[i] == '0') {\n\n flip1++;\n\n }\n\n if (i % 2 != 0 && s[i] == '1') {\n\n flip1++;\n\n }\n\n\n\n if (i % 2 != 0 && s[i] == '0') {\n\n flip2++;\n\n }\n\n if (i % 2 == 0 && s[i] == '1') {\n\n flip2++;\n\n }\n\n }\n\n cout << min(flip1, flip2) << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001361"}633{"label": "pie_cpp_validation_001362", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001362.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001362", "task_path": "tasks/validation/pie_cpp_validation_001362.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid fnInput(string& rsColor)\n\n{\n\n cin >> rsColor;\n\n}\n\n\n\nint fnChangeCnt(string sBgnColor, string sColor)\n\n{\n\n int nChangeCnt = 0;\n\n\n\n for (int i = 0; i < sColor.size(); i++)\n\n {\n\n int n = i % 2;\n\n if (sColor[i] != sBgnColor[n]) nChangeCnt++;\n\n }\n\n return nChangeCnt;\n\n}\n\n\n\nint fnMinChangeCnt(string sColor)\n\n{\n\n int nMinChangeCnt = INT_MAX;\n\n string sRvsColor(sColor);\n\n reverse(begin(sColor), end(sColor));\n\n\n\n nMinChangeCnt = min(nMinChangeCnt, fnChangeCnt(\"01\", sColor));\n\n nMinChangeCnt = min(nMinChangeCnt, fnChangeCnt(\"10\", sColor));\n\n nMinChangeCnt = min(nMinChangeCnt, fnChangeCnt(\"01\", sRvsColor));\n\n nMinChangeCnt = min(nMinChangeCnt, fnChangeCnt(\"10\", sRvsColor));\n\n\n\n return nMinChangeCnt;\n\n}\n\n \n\nint main()\n\n{\n\n string sColor;\n\n fnInput(sColor);\n\n cout << fnMinChangeCnt(sColor) << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001362"}634{"label": "pie_cpp_validation_001363", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001363.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001363", "task_path": "tasks/validation/pie_cpp_validation_001363.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll=long long;\n\n#define INT(...) int __VA_ARGS__;in(__VA_ARGS__)\n\n#define LL(...) ll __VA_ARGS__;in(__VA_ARGS__)\n\n#define ULL(...) ull __VA_ARGS__;in(__VA_ARGS__)\n\n#define STR(...) string __VA_ARGS__;in(__VA_ARGS__)\n\n#define CHR(...) char __VA_ARGS__;in(__VA_ARGS__)\n\n#define DBL(...) double __VA_ARGS__;in(__VA_ARGS__)\n\n#define vec(type,name,...) vector<type> name(__VA_ARGS__)\n\n#define VEC(type,name,size) vector<type> name(size);in(name)\n\n#define vv(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__))\n\n#define VV(type,name,h,...) vector<vector<type>>name(h,vector<type>(__VA_ARGS__));in(name)\n\n#define vvv(type,name,h,w,...) vector<vector<vector<type>>>name(h,vector<vector<type>>(w,vector<type>(__VA_ARGS__)))\n\ninline int scan(){ return getchar(); }\n\ninline void scan(int &a){ scanf(\"%d\", &a); }\n\ninline void scan(unsigned &a){ scanf(\"%u\", &a); }\n\ninline void scan(long &a){ scanf(\"%ld\", &a); }\n\ninline void scan(long long &a){ scanf(\"%lld\", &a); }\n\ninline void scan(unsigned long long &a){ scanf(\"%llu\", &a); }\n\ninline void scan(char &a){ cin >> a; }\n\ninline void scan(float &a){ scanf(\"%f\", &a); }\n\ninline void scan(double &a){ scanf(\"%lf\", &a); }\n\ninline void scan(long double &a){ scanf(\"%Lf\", &a); }\n\ninline void scan(vector<bool> &vec){ for(unsigned i = 0; i < vec.size(); i++) { int a; scan(a); vec[i] = a; } }\n\ninline void scan(string &a){ cin >> a; }\n\ntemplate<class T> inline void scan(vector<T> &vec);\n\ntemplate<class T, size_t size> inline void scan(array<T, size> &vec);\n\ntemplate<class T, class L> inline void scan(pair<T, L> &p);\n\ntemplate<class T, size_t size> inline void scan(T (&vec)[size]);\n\ntemplate<class T> inline void scan(vector<T> &vec){ for(auto &i : vec) scan(i); }\n\ntemplate<class T, size_t size> inline void scan(array<T, size> &vec){ for(auto &i : vec) scan(i); }\n\ntemplate<class T, class L> inline void scan(pair<T, L> &p){ scan(p.first); scan(p.second); }\n\ntemplate<class T, size_t size> inline void scan(T (&vec)[size]){ for(auto &i : vec) scan(i); }\n\ntemplate<class T> inline void scan(T &a){ cin>>a; }\n\ninline void in(){}\n\ntemplate <class Head, class... Tail> inline void in(Head &head, Tail&... tail){ scan(head); in(tail...); }\n\ninline constexpr ll gcd(ll a,ll b){if(!a||!b)return 0;while(b){ll c=b;b=a%b;a=c;}return a;}\n\ninline constexpr ll lcm(ll a,ll b){if(!a||!b)return 0;return a*b/gcd(a,b);}\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }\n\nusing Graph = vector<vector<int>>;\n\n/* 4\u65b9\u5411\u3078\u306e\u96a3\u63a5\u9802\u70b9\u3078\u306e\u79fb\u52d5\u3092\u8868\u3059\u30d9\u30af\u30c8\u30eb */\n\nconst int dx[4] = {1, 0, -1, 0};\n\nconst int dy[4] = {0, 1, 0, -1};\n\n\n\nconst long long INF = 1LL << 60;\n\nint main(){\n\n STR(S);\n\n int ans1 = 0;\n\n int ans2 = 0;\n\n\n\n for(int i = 0; i < S.size(); ++i){\n\n if(i%2 != S[i] - '0'){\n\n ans1++;\n\n } else {\n\n ans2++;\n\n }\n\n }\n\n cout << min(ans1,ans2) << endl;\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001363"}635{"label": "pie_cpp_validation_001364", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001364.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001364", "task_path": "tasks/validation/pie_cpp_validation_001364.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int,int> pii;\n\n#define pb push_back\n\n#define mp make_pair\n\n#define rep(i,n) for(int i=0;i<(n);++i)\n\nconst int mod=1000000007;\n\n\n\nint main(){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\tstring s;cin >> s;\n\n\tint ans1=0,ans2=0;\n\n\tbool flg=true;\n\n\trep(i,s.size()){\n\n\t\tif(flg){\n\n\t\t\tif(s.at(i)=='1') ans1++;\n\n\t\t\tflg=false;\n\n\t\t}\n\n\t\telse{\n\n\t\t\tif(s.at(i)=='0') ans1++;\n\n\t\t\tflg=true;\n\n\t\t}\n\n\t}\n\n\tflg=true;\n\n\trep(i,s.size()){\n\n\t\tif(flg){\n\n\t\t\tif(s.at(i)=='0') ans2++;\n\n\t\t\tflg=false;\n\n\t\t}\n\n\t\telse{\n\n\t\t\tif(s.at(i)=='1') ans2++;\n\n\t\t\tflg=true;\n\n\t\t}\n\n\t}\n\n\tcout << min(ans1,ans2) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001364"}636{"label": "pie_cpp_validation_001365", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001365.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001365", "task_path": "tasks/validation/pie_cpp_validation_001365.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> P;\n\n\n\n\n\n#define FOR(i,a,b) for(ll i = a ; i < b ; i++) // for i in range(a,b)\n\n#define REP(i,n) for(ll i = 0 ; i < n ; i++) // for i in range(b)\n\n#define FORD(i,a,b) for(ll i = a ; i > b ; i--) // for i in range(a,b,-1)\n\n#define ALL(x) x.begin(),x.end()\n\n#define debug(x) cerr << #x << \": \" << x << '\\n'\n\n\n\nconst int IINF = 1'001'001'001;\n\nconst ll INF = 1'001'001'001'001'001'001ll;\n\nconst int MOD = 1'000'000'007;\n\n\n\n\n\nvoid solve(){\n\n string s; cin >> s;\n\n int ans = 0;\n\n int cnt = 0;\n\n REP(i,s.size()){\n\n debug(i);\n\n if(i%2==0 && s[i]=='0') cnt+=1;\n\n else if(i%2==1 && s[i]=='1') cnt+=1;\n\n }\n\n ans = cnt;\n\n cnt = 0;\n\n REP(i,s.size()){\n\n if(i%2==0 && s[i]=='1') cnt+=1;\n\n else if(i%2==1 && s[i]=='0') cnt+=1;\n\n }\n\n ans = min(ans,cnt);\n\n cout << ans << endl;\n\n}\n\n\n\nint main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(nullptr);\n\n solve();\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001365"}637{"label": "pie_cpp_validation_001366", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001366.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001366", "task_path": "tasks/validation/pie_cpp_validation_001366.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <string>\n\n#include <vector>\n\n\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\nusing namespace std;\n\n\n\nint main() {\n\n string s_one;\n\n cin >> s_one;\n\n // s = num - '0';\n\n int n = s_one.size(); int ans;\n\n if (n == 0) ans = 0;\n\n\n\n int start_zero = 0; int start_one = 0;\n\n string s_zero = s_one;\n\n rep(i, n) {\n\n /* code */\n\n if (s_one[i] != '1' && (i%2) == 0)\n\n {\n\n /* code */\n\n start_one++;\n\n }\n\n else if (s_one[i] != '0' && (i%2) == 1)\n\n {\n\n /* code */\n\n start_one++;\n\n }\n\n }\n\n rep(i, n) {\n\n /* code */\n\n if (s_zero[i] != '0' && (i%2) == 0)\n\n {\n\n /* code */\n\n start_zero++;\n\n }\n\n else if (s_zero[i] != '1' && (i%2) == 1)\n\n {\n\n /* code */\n\n start_zero++;\n\n }\n\n }\n\n cout << ((start_one < start_zero) ? start_one : start_zero) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001366"}638{"label": "pie_cpp_validation_001367", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001367.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001367", "task_path": "tasks/validation/pie_cpp_validation_001367.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<cctype>\n\n#include<utility>\n\n#include<string>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<queue>\n\n#include<map>\n\n\n\n#define REP(i, n) for(int i = 0;i < n;i++)\n\n#define REPR(i, n) for(int i = n;i >= 0;i--)\n\n#define FOR(i, m, n) for(int i = m;i < n;i++)\n\n#define FORR(i, m, n) for(int i = m;i >= n;i--)\n\n#define SORT(v, n) sort(v, v+n);\n\n#define VSORT(v) sort(v.begin(), v.end());\n\n#define llong long long\n\n#define pb(a) push_back(a)\n\n#define INF 1000000000\n\nusing namespace std;\n\ntypedef pair<int, int> P;\n\ntypedef pair<llong, llong> LP;\n\ntypedef pair<int, P> PP;\n\ntypedef pair<llong, LP> LPP;\n\ntypedef long long int ll;\n\n\n\n#define ARRAY_MAX 105\n\n\n\ntemplate<typename T>\n\nvector<T> make_v(size_t a) { return vector<T>(a); }\n\ntemplate<typename T, typename... Ts>\n\nauto make_v(size_t a, Ts... ts) {\n\n\treturn vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...));\n\n}\n\ntemplate<typename T, typename V>\n\ntypename enable_if<is_class<T>::value == 0>::type\n\nfill_v(T& t, const V& v) { t = v; }\n\ntemplate<typename T, typename V>\n\ntypename enable_if<is_class<T>::value != 0>::type\n\nfill_v(T& t, const V& v) {\n\n\tfor (auto& e : t) fill_v(e, v);\n\n}\n\n\n\n\n\nint main() {\n\n\n\n\tstring s;\n\n\tcin >> s;\n\n\tint siz = s.size();\n\n\tstring t, k;\n\n\tfor (int i = 0; i < siz; i++)\n\n\t{\n\n\t\tif ((i % 2) == 0)\n\n\t\t{\n\n\t\t\tt.push_back('0');\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tt.push_back('1');\n\n\t\t}\n\n\t}\n\n\n\n\tfor (int i = 0; i < siz; i++)\n\n\t{\n\n\t\tif ((i % 2) == 0)\n\n\t\t{\n\n\t\t\tk.push_back('1');\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tk.push_back('0');\n\n\t\t}\n\n\t}\n\n\n\n\tint ans = INF;\n\n\tint cnt = 0;\n\n\tfor (int i = 0; i < siz; i++)\n\n\t{\n\n\t\tif (s[i] != t[i])\n\n\t\t{\n\n\t\t\tcnt++;\n\n\t\t}\n\n\t}\n\n\n\n\tans = min(ans,cnt);\n\n\tcnt = 0;\n\n\n\n\tfor (int i = 0; i < siz; i++)\n\n\t{\n\n\t\tif (s[i] != k[i])\n\n\t\t{\n\n\t\t\tcnt++;\n\n\t\t}\n\n\t}\n\n\tans = min(ans, cnt);\n\n\n\n\tcout << ans << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001367"}639{"label": "pie_cpp_validation_001368", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001368.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001368", "task_path": "tasks/validation/pie_cpp_validation_001368.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid solve () {\n\n string s;\n\n cin >> s;\n\n int n = (int) s.size();\n\n string corr, corr2;\n\n for (int i = 0; i < n; i++) {\n\n corr += i % 2 ? '1' : '0';\n\n corr2 += i % 2 ? '0' : '1';\n\n }\n\n vector<int> ans(2);\n\n for (int i = 0; i < n; i++) {\n\n if (s[i] != corr[i]) {\n\n ans[0]++;\n\n }\n\n if (s[i] != corr2[i]) {\n\n ans[1]++;\n\n }\n\n }\n\n cout << min (ans[0], ans[1]);\n\n}\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n solve();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001368"}640{"label": "pie_cpp_validation_001369", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001369.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001369", "task_path": "tasks/validation/pie_cpp_validation_001369.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <utility>\n\n#include <map>\n\n\n\n#include <stdio.h>\n\n\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\n#define irep(i, k, n) for (int i = (k); i < (n); i++)\n\n#define rrep(i, k, n) for (int i = (k); i >= (n); i++)\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define fi first\n\n#define se second\n\n#define vec vector\n\n\n\ntypedef long long ll;\n\n\n\nconst ll inf = 1LL << 60;\n\nconst int mod = 1e9 + 7;\n\n\n\nusing namespace std;\n\n\n\n/* Input variables. */\n\nstring s;\n\n\n\n/* Solve! */\n\nvoid solve() {\n\n int res = 0;\n\n irep(i, 1, s.length()) {\n\n if (s[i] == s[i - 1]) {\n\n s[i] = s[i] == '0' ? '1' : '0';\n\n res++;\n\n }\n\n }\n\n cout << res << endl;\n\n}\n\n\n\nint main() {\n\n /* Input handling. */\n\n cin >> s;\n\n\n\n solve();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001369"}641{"label": "pie_cpp_validation_001370", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001370.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001370", "task_path": "tasks/validation/pie_cpp_validation_001370.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define reprep(i,j,w,h) rep(j,h)rep(i,w)\n\n#define rrep(i,m, n) for(int i = m; i < (int)(n); i++)\n\n#define all(x) (x).begin(),(x).end()\n\n#define aall(x,n) (x).begin(),(x).begin()+(n)\n\n#define pb push_back\n\n#define pf push_front\n\n#define lb lower_bound\n\n#define ub upper_bound\n\n#define fi first\n\n#define se second\n\n#define sum accumulate\n\n#define keta fixed<<setprecision\n\n#define vvector(name,typ,m,n,a)vector<vector<typ> > name(m,vector<typ> (n,a))\n\n#define vvvector(name,t,l,m,n,a) vector<vector<vector<t> > > name(l, vector<vector<t> >(m, vector<int>(n,a)));\n\ntypedef long long ll;\n\nconst int INF = 2000000000;\n\nconst long INF64 = 1000000000000000ll;\n\nconst ll MOD = 1000000007LL;\n\nint main(){\n\n string s;\n\n std::cin >> s;\n\n int le=s.size();\n\n int counter=0;\n\n rep(i,le){\n\n if(pow(-1,i)==-1){\n\n if(s[i]=='1')counter++;\n\n //else counter--;\n\n }else{\n\n if(s[i]=='0')counter++;\n\n //else counter--;\n\n }\n\n }\n\n std::cout << min(counter,le-counter) << std::endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001370"}642{"label": "pie_cpp_validation_001371", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001371.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001371", "task_path": "tasks/validation/pie_cpp_validation_001371.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n int ans1 = 0, ans2 = 0;\n\n for (int i = 0; i < S.size(); i++) {\n\n if (i % 2 == S.at(i) - '0') {\n\n // \u9ed2\u8272\u30b9\u30bf\u30fc\u30c8\u6642\u306e\u5857\u308a\u66ff\u3048\u6570\u3092\u691c\u8a3c\n\n ans1++;\n\n } else {\n\n // \u767d\u8272\u30b9\u30bf\u30fc\u30c8\u6642\u306e\u5857\u308a\u66ff\u3048\u6570\u3092\u691c\u8a3c\n\n ans2++;\n\n }\n\n }\n\n\n\n printf(\"%d\", min(ans1, ans2));\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001371"}643{"label": "pie_cpp_validation_001372", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001372.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001372", "task_path": "tasks/validation/pie_cpp_validation_001372.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <queue>\n\n#include <deque>\n\n#include <math.h>\n\n#include <stdlib.h>\n\n#include <algorithm>\n\n#define rep(i,n) for (int i = 0; i < (n); ++i)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\ntemplate<class T> inline bool chmin(T &a, T b) { if(a > b){ a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmax(T &a, T b) { if(a < b){ a = b; return true; } return false; }\n\n\n\n//INT_MAX\t2,147,483,647 = 2*1.0e9\n\n\n\nint main(){\n\n string S;\n\n cin >> S;\n\n\n\n int len = S.length();\n\n string S2 = S.substr(0); \n\n\n\n int ans1 = 0;\n\n for(int i = 1; i < len; i++){\n\n if(S[i-1] == S[i]){\n\n if(S[i] == '1') S[i] = '0';\n\n else S[i] = '1';\n\n ans1 += 1;\n\n }\n\n }\n\n\n\n int ans2 = 1;\n\n if(S2[0] == '1') S2[0] = '0';\n\n else S2[0] = '1';\n\n for(int i = 1; i < len; i++){\n\n if(S2[i-1] == S2[i]){\n\n if(S2[i] == '1') S2[i] = '0';\n\n else S2[i] = '1';\n\n ans2 += 1;\n\n }\n\n }\n\n\n\n cout << min(ans1, ans2) << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001372"}644{"label": "pie_cpp_validation_001373", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001373.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001373", "task_path": "tasks/validation/pie_cpp_validation_001373.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n//C\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n vector<int> s;\n\n int ans = 0;\n\n string S;\n\n cin >> S;\n\n for(int i =0;i<S.size(); i++){\n\n if (S[i] == '0') s.push_back(0);\n\n else s.push_back(1);\n\n }\n\n\n\n for(int i = 0;i<S.size();i++){\n\n if (i%2 == s[i]) ans++;\n\n }\n\n int b = S.size() - ans;\n\n cout << min(ans, b) << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001373"}645{"label": "pie_cpp_validation_001374", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001374.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001374", "task_path": "tasks/validation/pie_cpp_validation_001374.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for (int i = 0; i < (n); i++) \n\n#define all(v) begin(v),end(v)\n\nusing ll = long long;\n\n\n\nint main() {\n\n string s;cin>>s;\n\n int cnt1=0,cnt2=0;\n\n int n=s.size();\n\n string a,b;\n\n rep(i,n){\n\n if(i%2==0){\n\n a+='0';\n\n b+='1';\n\n }\n\n else {\n\n a+='1';\n\n b+='0';\n\n }\n\n }\n\n rep(i,n){\n\n if(s[i]!=a[i])cnt1++;\n\n if(s[i]!=b[i])cnt2++;\n\n }\n\n cout<<min(cnt1,cnt2)<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001374"}646{"label": "pie_cpp_validation_001375", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001375.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001375", "task_path": "tasks/validation/pie_cpp_validation_001375.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for (int i = 0; i < (n); i++) \n\n#define all(v) begin(v),end(v)\n\nusing ll = long long;\n\n\n\nint main() {\n\n string s;cin>>s;\n\n int ans=s.size(),n=s.size();\n\n rep(i,2){\n\n int cnt=0;\n\n rep(j,n){\n\n if(j%2==0&&s[j]!=(char)(i+'0'))cnt++;\n\n if(j%2==1&&s[j]==(char)(i+'0'))cnt++;\n\n }\n\n ans=min(ans,cnt);\n\n }\n\n cout<<ans<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001375"}647{"label": "pie_cpp_validation_001376", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001376.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001376", "task_path": "tasks/validation/pie_cpp_validation_001376.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n///*\n\n#include<iostream>\n\n#include<string>\n\nusing namespace std;\n\n\n\nint main() {\n\n\n\n\tstring input;\n\n\tint L0 = 0, L1 = 0, R0 = 0, R1 = 0;\n\n\tint change10 = 0, change01 = 0;\n\n\tcin >> input;\n\n\n\n\tfor (int count = 0; count < input.length(); count++) {\n\n\t\tif (count % 2 == 0) {\n\n\t\t\tif (input[count] == '0')L0++;\n\n\t\t\telse L1++;\n\n\t\t}\n\n\t\telse {\n\n\t\t\tif (input[count] == '0')R0++;\n\n\t\t\telse R1++;\n\n\t\t}\n\n\t}\n\n\n\n\tfor (int count = 0; count < input.length(); count++) {//1-0\n\n\t\tif (count % 2 == 0) { if (input[count] == '0')change10++; }//Left\n\n\t\telse if (input[count] == '1') { change10++; }//Right\n\n\t}\n\n\n\n\tfor (int count = 0; count < input.length() ; count++) {//0-1\n\n\t\tif (count % 2 == 0) { if (input[count] == '1')change01++; }//Left\n\n\t\telse if (input[count] == '0'){change01++; }//Right\n\n\t}\n\n\n\n\tchange01 < change10 ? cout << change01 << endl : cout << change10 << endl;\n\n\t//cout << change01 << endl; cout << change10 << endl;\n\n\t//cout << L0 << \" \" << L1 << \" \" << R0 << \" \" << R1 << endl;\n\n\n\n\treturn 0;\n\n}\n\n//*/\n```", "split": "validation", "task_id": "pie_cpp_validation_001376"}648{"label": "pie_cpp_validation_001377", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001377.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001377", "task_path": "tasks/validation/pie_cpp_validation_001377.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<string>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<functional>\n\n#include<map>\n\n#include<cstdlib>\n\n#include<complex>\n\n#include<numeric>\n\n\n\nusing namespace std;\n\nusing Int = long long;\n\nInt INF = 1LL << 60;\n\n\n\n\n\nint main() {\n\n\n\n\tcin.tie(nullptr);\n\n\tios::sync_with_stdio(false);\n\n\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\tint len = s.size();\n\n\n\n\t//s[0]='0'\u306b\u3059\u308b\u6642\n\n\tstring temp1 = s;\n\n\tInt count1 = 0;\n\n\tfor (int i = 0; i < len; i++) {\n\n\t\tif (i == len - 1)break;\n\n\t\tif (i == 0 && temp1[i] != '0') {\n\n\t\t\tcount1++;\n\n\t\t\ttemp1[i] = '0';\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (temp1[i] == '0' && temp1[i+1] == '0') {\n\n\t\t\tcount1++;\n\n\t\t\ttemp1[i+1] = '1';\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (temp1[i] == '1' && temp1[i + 1] == '1') {\n\n\t\t\tcount1++;\n\n\t\t\ttemp1[i + 1] = '0';\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t}\n\n\n\n\t//s[0]='1'\u306b\u3059\u308b\u6642\n\n\tstring temp2 = s;\n\n\tInt count2 = 0;\n\n\tfor (int i = 0; i < len; i++) {\n\n\t\tif (i == len - 1)break;\n\n\t\tif (i == 0 && temp2[i] != '1') {\n\n\t\t\tcount2++;\n\n\t\t\ttemp2[i] = '1';\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (temp2[i] == '0' && temp2[i + 1] == '0') {\n\n\t\t\tcount2++;\n\n\t\t\ttemp2[i + 1] = '1';\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (temp2[i] == '1' && temp2[i + 1] == '1') {\n\n\t\t\tcount2++;\n\n\t\t\ttemp2[i + 1] = '0';\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t}\n\n\n\n\tcout << min(count1, count2);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001377"}649{"label": "pie_cpp_validation_001378", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001378.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001378", "task_path": "tasks/validation/pie_cpp_validation_001378.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n int N,cut;\n\n string S,ss;\n\n cin >> S;\n\n N=S.size();\n\n vector<int> ANS(N);\n\n for(int i=0;i<N;i++){\n\n ss=S[i];\n\n ANS[i]=stoi(ss);\n\n }\n\n for(int i=0;i<N-1;i++){\n\n if(ANS[i]==0&&ANS[i+1]==0){\n\n ANS[i+1]=1;\n\n cut++;\n\n }\n\n else if(ANS[i]==1&&ANS[i+1]==1){\n\n ANS[i+1]=0;\n\n cut++;\n\n }\n\n }\n\n cout << cut << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001378"}650{"label": "pie_cpp_validation_001379", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001379.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001379", "task_path": "tasks/validation/pie_cpp_validation_001379.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nchar toggle(char s) {\n\n if (s == '1') {\n\n return '0';\n\n } else {\n\n return '1';\n\n }\n\n}\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n\n\n int num = 0;\n\n char p = *s.begin();\n\n for (string::iterator i = s.begin() + 1; i != s.end(); i++) {\n\n p = toggle(p);\n\n if (*i != p) {\n\n num++;\n\n }\n\n }\n\n cout << num;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001379"}651{"label": "pie_cpp_validation_001380", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001380.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001380", "task_path": "tasks/validation/pie_cpp_validation_001380.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define _GLIBCXX_DEBUG\n\n#define rep(i, N) for(int i = 0; i < N; i++)\n\n#define rep2(i, N, a, b) for(int i = a; i < N; i += b)\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\tstring s1; // 1010...\n\n\tstring s2; // 0101...\n\n\tint count1 = 0;\n\n\tint count2 = 0;\n\n\trep(i, int(s.length())){\n\n\t\ts1 += '0';\n\n\t\ts2 += '1';\n\n\t}\n\n\trep2(i, int(s.length()), 0, 2){\n\n\t\ts1.at(i) = '1';\n\n\t\ts2.at(i) = '0';\n\n\t}\n\n\trep(i, int(s.length())){\n\n\t\tif (s.at(i) != s1.at(i))\n\n\t\t\tcount1++;\n\n\t\tif (s.at(i) != s2.at(i))\n\n\t\t\tcount2++;\n\n\t}\n\n\t// cout << s1 << endl;\n\n\t// cout << s2 << endl;\n\n\t// cout << count1 << endl;\n\n\t// cout << count2 << endl;\n\n\tif (count1 < count2)\n\n\t\tcout << count1 << endl;\n\n\telse\n\n\t\tcout << count2 << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001380"}652{"label": "pie_cpp_validation_001381", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001381.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001381", "task_path": "tasks/validation/pie_cpp_validation_001381.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nint main()\n\n{\n\n\tstd::string s;\n\n\tstd::cin >> s;\n\n\n\n\tbool flag = false;\n\n\tunsigned int count = 0;\n\n\tfor (int i = 0; i < s.length(); i++)\n\n\t{\n\n\t\tconst bool bit = (s[i] != '0');\n\n\t\tif (bit == flag)\n\n\t\t{\n\n\t\t\tcount++;\n\n\t\t}\n\n\n\n\t\tflag = !flag;\n\n\t}\n\n\n\n\tcount = std::min(count, (unsigned int)(s.length()) - count);\n\n\tstd::cout << count << std::endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001381"}653{"label": "pie_cpp_validation_001382", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001382.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001382", "task_path": "tasks/validation/pie_cpp_validation_001382.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep2(x,fr,to) for(int (x)=(fr);(x)<(to);(x)++)\n\n#define rep(x,to) for(int (x)=0;(x)<(to);(x)++)\n\n#define repr(x,fr,to) for(int (x)=(fr);(x)>=(to);(x)--)\n\n#define all(c) (c).begin(),(c).end()\n\n#define sz(v) (int)(v).size()\n\n\n\nusing namespace std;\n\ntypedef long long ll; typedef vector<int> VI; typedef pair<int,int> pii;\n\nconst int MD = (int)1e9 + 7;\n\nvoid dbg(){ cerr << \"\\n\"; } template <typename T,typename ...T2>\n\nvoid dbg(const T& fst, const T2&...rst){ cerr << fst << \": \"; dbg(rst...); }\n\n\n\n\n\nint main(){\n\n\t//cin.tie(0); ios_base::sync_with_stdio(false);\n\n\tstring s;\n\n\tcin >>s;\n\n\tint n=sz(s);\n\n\tstring mt1=s, mt2=s;\n\n\trep(i, n){\n\n\t\tif(i%2){mt1[i]='0';mt2[i]='1';}\n\n\t\telse {mt1[i]='1';mt2[i]='0';}\n\n\t}\n\n\tint a1=0, a2=0;\n\n\trep(i,n){\n\n\t\tif(mt1[i] !=s[i]) a1++;\n\n\t\tif(mt2[i] !=s[i]) a2++;\n\n\t}\n\n\tcout << min(a1, a2) <<\"\\n\";\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001382"}654{"label": "pie_cpp_validation_001383", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001383.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001383", "task_path": "tasks/validation/pie_cpp_validation_001383.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> P;\n\n\n\n#define MOD 1000000007\n\n#define REP(i, N) for (int i = 0; i < N; ++i)\n\n#define REP1(i, N) for (int i = 1; i <= N; ++i)\n\n#define RREP(i, N) for (int i = N - 1; i >= 0; --i)\n\n#define ALL(a) a.begin(), a.end()\n\n\n\nint main()\n\n{\n\n string S;\n\n cin >> S;\n\n // \u6700\u7d42\u72b6\u614b\u306f0101...\u304b1010...\u306e\u3069\u3061\u3089\u304b\u306e\u307f\n\n string s1 = \"\", s2 = \"\";\n\n REP(i, S.length())\n\n {\n\n s1 += (i & 1 ? \"0\" : \"1\");\n\n s2 += (i & 1 ? \"1\" : \"0\");\n\n }\n\n int ans1 = 0, ans2 = 0;\n\n REP(i, S.length())\n\n {\n\n ans1 += (S[i] == s1[i] ? 0 : 1);\n\n ans2 += (S[i] == s2[i] ? 0 : 1);\n\n }\n\n cout << min(ans1, ans2) << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001383"}655{"label": "pie_cpp_validation_001384", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001384.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001384", "task_path": "tasks/validation/pie_cpp_validation_001384.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\nint a,b,c,n,i,j,k;\n\nint str[100005],str2[100005];\n\nint main()\n\n{\n\n string s1,s2;\n\n while(cin>>s1)\n\n {\n\n s2=s1;\n\n k=j=0;\n\n for(i=1;i<s1.length();i++)\n\n {\n\n if(s1[i]=='1'&&s1[i-1]=='1')\n\n {s1[i]='0';k++;}\n\n if(s1[i]=='0'&&s1[i-1]=='0')\n\n {\n\n s1[i]='1';k++;\n\n }\n\n }\n\n for(i=s2.length()-2;i>-1;i--)\n\n {\n\n if(s2[i]=='1'&&s2[i+1]=='1')\n\n {s2[i]='0';j++;}\n\n if(s2[i]=='0'&&s2[i+1]=='0')\n\n {\n\n s2[i]='1';j++;\n\n }\n\n }\n\n printf(\"%d\\n\",min(k,j));\n\n\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001384"}656{"label": "pie_cpp_validation_001385", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001385.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001385", "task_path": "tasks/validation/pie_cpp_validation_001385.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <map>\n\n#include <algorithm>\n\n#include <set>\n\n#include <vector>\n\nusing namespace std;\n\n\n\nint main(){\n\n //freopen(\"in.txt\", \"r\", stdin);\n\n\n\n string s;\n\n cin>>s;\n\n bool prev = (s[0]=='1')? true : false;\n\n int cnt = 0;\n\n for (int i=1;i<(int)s.size();++i){\n\n char c = (prev)? '0' : '1';\n\n if (s[i]!=c){\n\n cnt++;\n\n s[i] = c; \n\n }\n\n prev = !prev;\n\n }\n\n cout<<cnt<<endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001385"}657{"label": "pie_cpp_validation_001386", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001386.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001386", "task_path": "tasks/validation/pie_cpp_validation_001386.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int n, i, dp[100009][2];\n\n string s;\n\n cin >> s;\n\n\n\n dp[0][0] = dp[0][1] = 0;\n\n\n\n for(i = 0; i < s.size(); i++)\n\n {\n\n dp[i+1][0] = dp[i][1] + (s[i] == '0');\n\n dp[i+1][1] = dp[i][0] + (s[i] == '1');\n\n }\n\n\n\n cout << min(dp[s.size()][0], dp[s.size()][1]);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001386"}658{"label": "pie_cpp_validation_001387", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001387.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001387", "task_path": "tasks/validation/pie_cpp_validation_001387.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nstring s,l,x;\n\nbool a_u,b_u;\n\nint lflag,xflag;\n\nint main(){\n\n\tcin>>s;\n\n\tfor(int i=0;i<s.length();i++){\n\n\t\tif(a_u==0){\n\n\t\t\tl+='0';\n\n\t\t\ta_u=1;\n\n\t\t\tb_u=0;\n\n\t\t}\n\n\t\telse {\n\n\t\t\tl+='1';\n\n\t\t\tb_u=1;\n\n\t\t\ta_u=0;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<s.length();i++){\n\n\t\tif(b_u==0) {\n\n\t\t\tx+='1';\n\n\t\t\tb_u=1;\n\n\t\t\ta_u=0;\n\n\t\t}\n\n\t\telse{\n\n\t\t\tx+='0';\n\n\t\t\ta_u=1;\n\n\t\t\tb_u=0;\n\n\t\t}\n\n\t}\n\n\tfor(int i=0;i<s.length();i++){\n\n\t\tif(s[i]==l[i]){\n\n\t\t\tlflag++;\n\n\t\t}\n\n\t\telse{\n\n\t\t\txflag++;\n\n\t\t}\n\n\t}\n\n\tcout<<min(lflag,xflag);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001387"}659{"label": "pie_cpp_validation_001388", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001388.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001388", "task_path": "tasks/validation/pie_cpp_validation_001388.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tstring s;\n\n\tint i, salah1=0, salah2=0;\n\n\tcin>>s;\n\n\tfor(i=0;i<s.length();i++){\n\n\t\tif(i%2>0){\n\n\t\t\tif(s[i]=='0'){\n\n\t\t\t\tsalah1++;\n\n\t\t\t}\n\n\t\t}else{\n\n\t\t\tif(s[i]=='1'){\n\n\t\t\t\tsalah1++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfor(i=0;i<s.length();i++){\n\n\t\tif(i%2==0){\n\n\t\t\tif(s[i]=='0'){\n\n\t\t\t\tsalah2++;\n\n\t\t\t}\n\n\t\t}else{\n\n\t\t\tif(s[i]=='1'){\n\n\t\t\t\tsalah2++;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout<<min(salah1, salah2)<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001388"}660{"label": "pie_cpp_validation_001389", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001389.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001389", "task_path": "tasks/validation/pie_cpp_validation_001389.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tint sum=0,k;\n\n\tstring s;\n\n\tcin>>s;\n\n\tfor(int i=0;i<s.size();i++)\n\n\t{\n\n\t\tif(s[i]=='0'+i%2) sum++;\n\n\t}\n\n\tk=s.size()-sum;\n\n\tsum>k?sum=k:sum=sum;\n\n\tcout<<sum;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001389"}661{"label": "pie_cpp_validation_001390", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001390.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001390", "task_path": "tasks/validation/pie_cpp_validation_001390.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n// Enter Source:\n\n#include <bits/stdc++.h>\n\n#define MOD (1000000000+7)\n\n\n\ntypedef long long int lli;\n\n\n\nusing namespace std;\n\n\n\nlli F(vector<int>& vec, string str)\n\n{\n\n\tlli count = 0;\n\n\tfor(lli i = 0; i < vec.size(); i++)\n\n\t{\n\n\t\tif(str[i]-'0' != vec[i]) count++;\n\n\t}\n\n\treturn count;\n\n}\n\n\n\nint main()\n\n{\n\n\tstring str;\n\n\tcin >> str;\n\n\tlli N = str.size();\n\n\t\n\n\tvector<int> a,b; \n\n\tfor(lli i = 0; i < N; i++) a.push_back(i%2);\n\n\tfor(lli i = 0; i < N; i++) b.push_back((i+1)%2);\n\n\t\n\n\tcout << min(F(a,str),F(b,str)) << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001390"}662{"label": "pie_cpp_validation_001391", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001391.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001391", "task_path": "tasks/validation/pie_cpp_validation_001391.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<bitset>\n\n#include<cstring>\n\nusing namespace std;\n\nconst int maxn = 1e5+5;\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n bitset<maxn>bit (s);\n\n string s1,s2;\n\n for (int i = 1; i <= s.size(); i++) {\n\n \tif (i%2) {\n\n \t\ts1 += '0';\n\n \t\ts2 += '1';\n\n \t}else{\n\n \t\ts1 += '1';\n\n \t\ts2 += '0';\n\n \t}\n\n }\n\n bitset<maxn>tar1 (s1);\n\n bitset<maxn>tar2 (s2);\n\n tar1 = tar1^bit;\n\n tar2 = tar2^bit;\n\n int a = tar1.count();\n\n int b = tar2.count();\n\n cout << min(a,b);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001391"}663{"label": "pie_cpp_validation_001392", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001392.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001392", "task_path": "tasks/validation/pie_cpp_validation_001392.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\tint ans = 0;\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\tfor(int i=1;i<s.size();++i){\n\n\t\tif(s[i] == s[i-1]){\n\n\t\t\tans++;\n\n\t\t\tif(s[i-1] == '0') s[i] = '1';\n\n\t\t\telse s[i] = '0';\n\n\t\t}\n\n\t}\n\n\n\n\tcout << ans << '\\n';\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001392"}664{"label": "pie_cpp_validation_001393", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001393.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001393", "task_path": "tasks/validation/pie_cpp_validation_001393.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main(int qtd, char* nome[])\n\n{\n\n string p;\n\n cin >> p;\n\n\n\n char color = p[0];\n\n int ans = 0;\n\n for (int i = 1; i < p.size(); i++){\n\n if(color == p[i]){\n\n ans++;\n\n if (p[i] == '0')\n\n p[i] = '1';\n\n else\n\n p[i] = '0';\n\n }\n\n color = p[i];\n\n }\n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001393"}665{"label": "pie_cpp_validation_001394", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001394.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001394", "task_path": "tasks/validation/pie_cpp_validation_001394.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst int N = 1e2 + 5, mod = 1e9 + 7;\n\n\n\nint main()\n\n{\n\n //ios::sync_with_stdio(false);cin.tie(nullptr);ios_base::sync_with_stdio(false);\n\n string s;\n\n cin >> s;\n\n int ans1 = 0, ans2 = 0;\n\n for (int i = 0; i < s.size(); i++)\n\n {\n\n ans1 += s[i] != '0' + i % 2;\n\n ans2 += s[i] == '0' + i % 2;\n\n }\n\n cout << min(ans1, ans2);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001394"}666{"label": "pie_cpp_validation_001395", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001395.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001395", "task_path": "tasks/validation/pie_cpp_validation_001395.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define FRU freopen(\"out.txt\",\"w\",stdout)\n\n#define FRO freopen(\"in.txt\",\"r\",stdin)\n\n#define pb push_back\n\n#define mp make_pair\n\n#define ff first\n\n#define ss second\n\n#define mem(ara,n) memset(ara,n,sizeof ara)\n\n#define loop(i,j,n) for(i=j;i<n;i++)\n\n#define rloop(i,j,n) for(i=n;i>=j;i--)\n\n#define INF 2147483647\n\n#define ll long long\n\n#define pii pair<int,int>\n\n#define eps 1e-9\n\n#define mii map<int,int>\n\n#define vi vector<int>\n\n#define all(n) n.begin(),n.end()\n\n#define inf INF\n\n#define INFLL 9223372036854775807\n\nusing namespace std;\n\nint main()\n\n{\n\n int n,m,cnt=0,i,j,k,tc,t;\n\n string s,s1,s2;\n\n cin>>s;\n\n n=s.length();\n\n s1.pb('0');\n\n s2.pb('1');\n\n for(i=1;i<n;i++)\n\n {\n\n s1.pb(s1[i-1]=='0'?'1':'0' );\n\n s2.pb(s2[i-1]=='0'?'1':'0' );\n\n }\n\n int cnt1=0,cnt2=0;\n\n for(i=0;i<n;i++)\n\n {\n\n if(s[i]!=s1[i])cnt1++;\n\n if(s[i]!=s2[i])cnt2++;\n\n }\n\n cout<<min(cnt1,cnt2);\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001395"}667{"label": "pie_cpp_validation_001396", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001396.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001396", "task_path": "tasks/validation/pie_cpp_validation_001396.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> \n\nusing namespace std;\n\nusing ll=long long;\n\ntypedef pair<int,int> P;\n\n#define fi first\n\n#define se second\n\n#define all(v) (v).begin(),v.end()\n\nset<string> c;\n\nconst ll inf=(1e18);\n\nconst ll mod=1000000007;\n\nconst ll mod2=998244353;\n\nll gcd(ll a,ll b) {return b ? gcd(b,a%b):a;}\n\nll lcm(ll c,ll d){return c/gcd(c,d)*d;}\n\n//ios_base::sync_with_stdio(false);\n\n//cin.tie(NULL);\n\nint main(){\n\nstring s;\n\ncin>>s;\n\nint a=0,b=0;\n\nint n=s.size();\n\nfor(int i=0;i<n;i++){\n\n if(i%2==0&&s[i]!='0')a++;\n\n else if(i%2==1&&s[i]!='1')a++;\n\n}\n\nfor(int i=0;i<n;i++){\n\n if(i%2==1&&s[i]!='0')b++;\n\n else if(i%2==0&&s[i]!='1')b++;\n\n}\n\ncout<<min(a,b)<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001396"}668{"label": "pie_cpp_validation_001397", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001397.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001397", "task_path": "tasks/validation/pie_cpp_validation_001397.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n/*\n\n * atcoder/abc124/c.cpp\n\n */\n\n\n\n// C++ 14\n\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <cstring> // memset\n\n#include <cassert>\n\nusing namespace std;\n\n#define ll long long\n\n#define loop(__x, __start, __end) for(int __x = __start; __x < __end; __x++)\n\ntemplate <class T> bool chmin(T &a, T b) { if (a > b) {a = b; return true; } return false; }\n\ntemplate <class T> bool chmax(T &a, T b) { if (a < b) {a = b; return true; } return false; }\n\n\n\nconst ll INF = 1000000000000000;\n\nconst int MAX = 100100;\n\nint N;\n\nstring S;\n\nvector<bool> B(MAX, false);\n\n\n\n// dp[n][i] := \u6700\u5f8c\u304ci\u3067n\u756a\u76ee\u307e\u3067\u63c3\u3048\u305f\u6642\u306e\u6700\u5c0f\u306e\u30bf\u30a4\u30eb\u5909\u66f4\u6570\n\nll dp[MAX][2];\n\n\n\nvoid solve() {\n\n cin >> S;\n\n N = S.size();\n\n loop(n,0,N+1) loop(i,0,2) dp[n][i] = INF;\n\n dp[0][0] = 0;\n\n dp[0][1] = 0;\n\n\n\n loop(n,0,N) {\n\n bool b = S[n] == '1'; // \u4eca\u56de\u306e\u30bf\u30a4\u30eb\u8272\n\n loop(i,0,2) {\n\n // \u4eca\u56deb\u3060\u3063\u305f\u306e\u3067\u3001\u524d\u56de\u304c!b\u306a\u3089 +0 b\u306a\u3089+1\n\n chmin(dp[n+1][!i], dp[n][i] + (b == i));\n\n }\n\n }\n\n cout << min(dp[N][0], dp[N][1]) << endl;\n\n}\n\nint main() {\n\n // cout.precision(15);\n\n // cout << fixed << double\n\n\n\n solve();\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001397"}669{"label": "pie_cpp_validation_001398", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001398.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001398", "task_path": "tasks/validation/pie_cpp_validation_001398.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for (int i = 0; i < (n); i++)\n\n#define repf(i,a,b) for (int i = (a); i < (b); i++)\n\n#define repi(i,a,b) for (int i = (a); i <= (b); i++)\n\n#define repr(i,a,b) for (int i = (a); i >= (b); i--)\n\n#define all(x) (x).begin(),(x).end()\n\n#define rall(x) (x).rbegin(),(x).rend()\n\n#define debug(x) cout << #x << \" = \" << (x) << endl;\n\n#define SORT(x) sort(all(x));\n\n#define RSORT(x) sort(rall(x));\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vd = vector<double>;\n\nusing vb = vector<bool>;\n\nusing pii = pair<int, int>;\n\nusing vc = vector<char>;\n\nusing vvc = vector<vc>;\n\nusing vs = vector<string>;\n\nusing tiii = tuple<int, int, int>;\n\nconst ll inf = 1ll<<29;\n\nconst ll mod = 1000000007;\n\nconst double eps = 1e-9;\n\nconst int dx[4] = {1,0,-1,0};\n\nconst int dy[4] = {0,1,0,-1};\n\n\n\nll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;}\n\nll lcm(ll a, ll b) { return a/gcd(a,b)*b;}\n\n\n\nint main() {\n\n string S; cin >> S;\n\n int N = S.size();\n\n \n\n string T1, T2;\n\n rep(i,N) {\n\n if(i%2==0) {\n\n T1 += '0';\n\n T2 += '1';\n\n }\n\n else {\n\n T1 += '1';\n\n T2 += '0';\n\n }\n\n }\n\n \n\n int cnt1 = 0, cnt2 = 0;\n\n rep(i,N) {\n\n if(S.at(i)!= T1.at(i)) cnt1++;\n\n if(S.at(i)!= T2.at(i)) cnt2++;\n\n }\n\n \n\n cout << min(cnt1,cnt2) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001398"}670{"label": "pie_cpp_validation_001399", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001399.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001399", "task_path": "tasks/validation/pie_cpp_validation_001399.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <array>\n\n#include <list>\n\n#include <queue>\n\n#include <set>\n\n#include <map>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#include <utility>\n\n#include <string>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <random>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <cmath>\n\n#include <cassert>\n\n#include <climits>\n\n#include <thread>\n\n\n\n#define FOR_LT(i, beg, end) for (int i = beg; i < end; i++)\n\n#define FOR_LE(i, beg, end) for (int i = beg; i <= end; i++)\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tstring s; cin >> s;\n\n\n\n\tint sum_0_start = 0;\n\n\tint sum_1_start = 0;\n\n\tFOR_LT(i, 0, s.size()) {\n\n\t\tbool is_0 = (s[i] == '0');\n\n\n\n\t\tif (is_0 && (i & 1)) {\n\n\t\t\tsum_0_start++;\n\n\t\t}\n\n\t\tif (is_0 && (!(i & 1))) {\n\n\t\t\tsum_1_start++;\n\n\t\t}\n\n\t\tif (!is_0 && (i & 1)) {\n\n\t\t\tsum_1_start++;\n\n\t\t}\n\n\t\tif (!is_0 && (!(i & 1))) {\n\n\t\t\tsum_0_start++;\n\n\t\t}\n\n\t}\n\n\n\n\tcout << min(sum_0_start, sum_1_start) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001399"}671{"label": "pie_cpp_validation_001400", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001400.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001400", "task_path": "tasks/validation/pie_cpp_validation_001400.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, a, b) for (register int i = a; i <= b; i++)\n\n#define PAUSE system(\"pause\");\n\n#define FASTIO \\\n\n ios_base::sync_with_stdio(0); \\\n\n cin.tie(0); \\\n\n cout.tie(0);\n\n#define FILEIO \\\n\n freopen(\"in.txt\", \"r\", stdin); \\\n\n freopen(\"out.txt\", \"w\", stdout);\n\ntemplate <typename T>\n\nvoid read(T &x)\n\n{\n\n x = 0;\n\n int flag = 1;\n\n char c = getchar();\n\n while (c < '0' || c > '9')\n\n {\n\n if (c == '-')\n\n flag = -1;\n\n c = getchar();\n\n }\n\n while (c >= '0' && c <= '9')\n\n {\n\n x = x * 10 + c - '0';\n\n c = getchar();\n\n }\n\n x *= flag;\n\n}\n\nconst int MOD = 1e9 + 7, INF = 0x3f3f3f3f;\n\n\n\nchar s[100010] = {'\\0'};\n\nint main()\n\n{\n\n int ans1 = 0, ans2 = 0;\n\n cin >> s;\n\n int i;\n\n for (i = 0; s[i] != '\\0'; i++)\n\n {\n\n if (s[i] - '0' == i %2)\n\n ans1++;\n\n else\n\n ans2++;\n\n }\n\n cout << min(min(min(ans1, ans2), i - ans1), i - ans2);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001400"}672{"label": "pie_cpp_validation_001401", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001401.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001401", "task_path": "tasks/validation/pie_cpp_validation_001401.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> \n\n\n\nusing namespace std; \n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\tint cnt=0;\n\n\n\n\tint x=s[0];\n\n\n\n\tfor(int i=1; i<s.size(); i++){\n\n\t\tif(x=='0'){\n\n\t\t\tif(s[i]=='1'){\n\n\t\t\t\t// flag=1;\n\n\t\t\t}else{\n\n\t\t\t\ts[i]='1';\n\n\t\t\t\tcnt++;\n\n\t\t\t}\n\n\t\t}else{\n\n\t\t\tif(s[i]=='0'){\n\n\t\t\t\t// flag==2;\n\n\t\t\t}else{\n\n\t\t\t\ts[i]='0';\n\n\t\t\t\tcnt++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tx=s[i];\n\n\t}\n\n\n\n\tcout << cnt;\n\n\n\nreturn 0;\n\n\n\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n// int main()\n\n// {\t\t\n\n// \tfloat a,b,c;\n\n// \tcin >> a >> b >> c;\n\n\n\n// \tfloat n = ((b-a)/c)+1;\n\n\n\n\n\n// \tif(c==0 && a==b)\n\n// \t\tcout << \"YES\";\n\n// \telse if(c==0 && a!=b)\n\n// \t\tcout << \"NO\";\n\n// \telse if((b<0 && c>=0) || (b>=0 && c<0))\n\n// \t\tcout << \"NO\";\n\n// \telse{\n\n// \t\tif(floor(n)==ceil(n))\n\n// \t\tcout << \"YES\";\n\n// \telse\n\n// \t\tcout << \"NO\";\n\n// \t}\n\n\n\n// }\n```", "split": "validation", "task_id": "pie_cpp_validation_001401"}673{"label": "pie_cpp_validation_001402", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001402.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001402", "task_path": "tasks/validation/pie_cpp_validation_001402.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nint main(){\n\n\tchar brick[100010];\n\n\tint cnt1=0,cnt2=0;\n\n\tint l=0;\n\n\tint flag=0;\n\n\tcin>>brick;\n\n\twhile(brick[l])l++;\n\n\tfor(int i=0;i<l;i++){\n\n\t\tif(brick[i]-'0'!=flag)cnt1++;\n\n\t\tflag=1-flag;\n\n\t} \n\n\tflag=1;\n\n\tfor(int i=0;i<l;i++){\n\n\t\tif(brick[i]-'0'!=flag)cnt2++;\n\n\t\tflag=1-flag;\n\n\t} \n\n\tcout<<(cnt1>cnt2?cnt2:cnt1);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001402"}674{"label": "pie_cpp_validation_001403", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001403.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001403", "task_path": "tasks/validation/pie_cpp_validation_001403.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint notnumber(int a) {\n\n if(a == 48) return 49;\n\n else return 48;\n\n}\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n\n\n int cont = 0;\n\n int ant = s[0];\n\n\n\n for(int i = 1; i < s.length(); i++) {\n\n if(s[i] == ant) {\n\n ant = notnumber(s[i]);\n\n cont++;\n\n } else ant = s[i];\n\n }\n\n\n\n ant = s[s.length()-1];\n\n int cont2 = 0;\n\n\n\n for(int i = s.length()-2; i >= 0; i--) {\n\n if(s[i] == ant) {\n\n ant = notnumber(s[i]);\n\n cont2++;\n\n } else ant = s[i];\n\n }\n\n\n\n cout << min(cont, cont2) << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001403"}675{"label": "pie_cpp_validation_001404", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001404.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001404", "task_path": "tasks/validation/pie_cpp_validation_001404.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n// # DEFINES # //\n\n#define ll long long\n\n#define M (ll)1e9+7\n\n#define EPS 1e-9\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n ios::sync_with_stdio(0);\n\n cin.tie(0);\n\n cout.tie(0);\n\n\n\n string s;\n\n\n\n cin >> s;\n\n\n\n size_t n = s.size();\n\n \n\n // primeiro 1\n\n int n1 = 0;\n\n for(int i = 1; i <= n; i++) {\n\n if(i % 2 == 1 && s[i-1] != '1')\n\n n1++;\n\n else if(i % 2 == 0 && s[i-1] != '0')\n\n n1++;\n\n }\n\n\n\n // primeiro 0\n\n int n2 = 0; \n\n for(int i = 1; i <= n; i++) {\n\n if(i % 2 == 1 && s[i-1] != '0')\n\n n2++;\n\n else if(i % 2 == 0 && s[i-1] != '1')\n\n n2++;\n\n }\n\n\n\n if(n == 1)\n\n cout << 0 << endl;\n\n else \n\n cout << min(n1, n2) << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001404"}676{"label": "pie_cpp_validation_001405", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001405.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001405", "task_path": "tasks/validation/pie_cpp_validation_001405.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n string s, s1, s0;\n\n int cont0 = 0, cont1 = 0;\n\n\n\n cin >> s;\n\n\n\n for(int i = 0; i < s.length(); i++){\n\n if(i == 0){\n\n s1 = '1';\n\n s0 = '0';\n\n }else{\n\n if(s1[i-1] == '1') s1 = s1 + '0';\n\n else s1 = s1 + '1';\n\n\n\n if(s0[i-1] == '1') s0 = s0 + '0';\n\n else s0 = s0 + '1';\n\n }\n\n }\n\n\n\n for(int i = 0; i < s.length(); i++){\n\n if(s[i] != s1[i]) cont1++;\n\n \n\n if(s[i] != s0[i]) cont0++;\n\n }\n\n\n\n cout << min(cont1, cont0) << endl ;\n\n\n\n return 0;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001405"}677{"label": "pie_cpp_validation_001406", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001406.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001406", "task_path": "tasks/validation/pie_cpp_validation_001406.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define fastIO ios_base::sync_with_stdio(false), cin.tie(NULL)\n\n\n\nconst int N = 5e5 + 7;\n\nconst ll mod = 1e9 + 7;\n\n\n\nint diff(string s, string t) {\n\n\tint cnt = 0;\n\n\tfor (int i = 0; i < s.size(); i++) {\n\n\t\tcnt += s[i] != t[i];\n\n\t}\n\n\treturn cnt;\n\n}\n\n\n\n\n\nint main() {\n\n\tfastIO;\n\n\tstring s;\n\n\tcin >> s;\n\n\tstring x, y;\n\n\tbool b = 0;\n\n\tfor (int i = 0; i < s.size(); i++) {\n\n\t\tx += '0' + b;\n\n\t\ty += '0' + !b;\n\n\t\tb = !b;\n\n\t}\n\n\tcout << min(diff(s, x), diff(s, y));\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001406"}678{"label": "pie_cpp_validation_001407", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001407.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001407", "task_path": "tasks/validation/pie_cpp_validation_001407.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n\n\n#include<bits/stdc++.h>\n\n#define fr(i,j,n) for(int i=j;i<n;i++)\n\n#define pb push_back\n\n#define rf(i,j,p) for(int i=p;i>=j;i--)\n\n#define vi vector<int>\n\n#define vll vector<long long>\n\n#define ll long long\n\n#define hmm \"\\n\"\n\n#define sp \" \"\n\n#define srt(v) sort(v.begin(), v.end());\n\n#define down cout<<hmm;\n\n#define faaast ios_base::sync_with_stdio(0);cin.tie(nullptr);\n\nusing namespace std;\n\nint main()\n\n{\n\n string s ; cin >> s ;\n\n string t=\"\", tt=\"\" ;\n\n fr(i,0,s.size())\n\n {\n\n if(i%2==0)t+=\"0\";\n\n else t+=\"1\";\n\n }\n\n fr(i,0,s.size())\n\n {\n\n if(i%2==0)tt+=\"1\";\n\n else tt+=\"0\";\n\n }\n\n int a1=0, a2=0;\n\n fr(i,0,s.size())\n\n {\n\n if(t[i]!=s[i])a1++;\n\n if(tt[i]!=s[i])a2++;\n\n }\n\n cout<<min(a1,a2)<<hmm;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001407"}679{"label": "pie_cpp_validation_001408", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001408.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001408", "task_path": "tasks/validation/pie_cpp_validation_001408.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nmain(){\n\n string str;\n\n cin>>str;\n\n if(str.size()==1){cout<<\"0\"; return 0;}\n\n int num,i,one=0,zero=0,on=0,zr=0,tot1,tot2;\n\n for(i=0;i<str.size();i++){\n\n if(i%2==0) {if (str[i]=='1') zero++;}\n\n else {if (str[i]=='0')one++;}\n\n if(i%2==0) {if (str[i]=='0') on++;}\n\n else {if (str[i]=='1') zr++;}\n\n }\n\n tot1=zero+one;\n\n tot2=on+zr;\n\n cout<<min(tot1,tot2);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001408"}680{"label": "pie_cpp_validation_001409", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001409.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001409", "task_path": "tasks/validation/pie_cpp_validation_001409.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h> \n\n\n\nusing namespace std; \n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing pii = pair<int,int>; \n\n\n\n#define INF 1000000000000000000\n\n#define MOD 10007\n\n#define rng(a) a.begin(),a.end()\n\n#define rrng(a) a.rbegin(),a.rend()\n\n\n\nint main(){\n\n string S;\n\n cin>>S;\n\n\n\n //0101\n\n int ans1=0; \n\n for(int i=0;i<S.size();i++){\n\n if(i%2&&S[i]!='1')ans1++;\n\n if(!(i%2)&&S[i]!='0')ans1++;\n\n }\n\n\n\n //1010\n\n int ans2=0;\n\n for(int i=0;i<S.size();i++){\n\n if(i%2&&S[i]!='0')ans2++;\n\n if(!(i%2)&&S[i]!='1')ans2++;\n\n }\n\n\n\n cout<<min(ans1,ans2)<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001409"}681{"label": "pie_cpp_validation_001410", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001410.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001410", "task_path": "tasks/validation/pie_cpp_validation_001410.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <cmath>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <tuple>\n\n#include <map>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)\n\n#define repd(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)\n\n#define repdm(i, a, b) for (ll i = (ll)(a); i > (ll)(b); i--)\n\n\n\nint main()\n\n{\n\n\n\n string S;\n\n cin >> S;\n\n\n\n int oddW = 0;\n\n int oddB = 0;\n\n int evenW = 0;\n\n int evenB = 0;\n\n\n\n rep(i, S.size())\n\n {\n\n if (i % 2 == 0)\n\n {\n\n if (S[i] == '1')\n\n evenW++;\n\n else if (S[i] == '0')\n\n evenB++;\n\n }\n\n else if (i % 2 == 1)\n\n {\n\n if (S[i] == '1')\n\n oddW++;\n\n else if (S[i] == '0')\n\n oddB++;\n\n }\n\n }\n\n\n\n int p1 = oddW + evenB;\n\n int p2 = oddB + evenW;\n\n if (p1 > p2)\n\n cout << p2 << endl;\n\n else\n\n cout << p1 << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001410"}682{"label": "pie_cpp_validation_001411", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001411.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001411", "task_path": "tasks/validation/pie_cpp_validation_001411.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\n\n\nint main()\n\n{\n\n\tstring S;\n\n\tcin >> S;\n\n\tstring S_temp(S.size(), '0');\n\n\tfor(int i = 0; i < S.size(); i++)\n\n\t{\n\n\t\tif(i % 2)\n\n\t\t{\n\n\t\t\tS_temp.at(i) = '1';\n\n\t\t}\n\n\t}\n\n\n\n\tint answer = 0;\n\n\n\n\tfor(int i = 0; i < S.size(); i++)\n\n\t{\n\n\t\tif(S.at(i) != S_temp.at(i))\n\n\t\t{\n\n\t\t\tanswer++;\n\n\t\t}\n\n\t}\n\n\n\n\tif(S.size() - answer < answer)\n\n\t{\n\n\t\tanswer = S.size() - answer;\n\n\t}\n\n\n\n\tcout << answer << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001411"}683{"label": "pie_cpp_validation_001412", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001412.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001412", "task_path": "tasks/validation/pie_cpp_validation_001412.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tstring S;\n\n\tstring S1;\n\n\tstring S2;\n\n\tcin >> S;\n\n\tS1 = S;\n\n\tS2 = S;\n\n\tint answer1 = 0;\n\n\tint answer2 = 0;\n\n\n\n\t\tfor(int j = 0; j < S1.size() - 1; j++)\n\n\t\t{\n\n\t\t\tif(S1.at(j) == S1.at(j + 1))\n\n\t\t\t{\n\n\t\t\t\tif(S1.at(j + 1) == '0')\n\n\t\t\t\t{\n\n\t\t\t\t\tS1.at(j + 1) = '1';\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t{\n\n\t\t\t\t\tS1.at(j + 1) = '0';\n\n\t\t\t\t}\n\n\t\t\t\tanswer1++;\n\n\t\t\t}\n\n\t\t}\n\n\t\n\n\n\n\t\tfor(int j = S2.size()-1; j > 0; j--)\n\n\t\t{\n\n\t\t\tif(S2.at(j) == S2.at(j - 1))\n\n\t\t\t{\n\n\n\n\t\t\t\tif(S2.at(j - 1) == '0')\n\n\t\t\t\t{\n\n\t\t\t\t\tS2.at(j - 1) = '1';\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t{\n\n\t\t\t\t\tS2.at(j - 1) = '0';\n\n\t\t\t\t}\n\n\t\t\t\tanswer2++;\n\n\t\t\t}\n\n\t}\n\n\n\n\tcout << min(answer1, answer2) << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001412"}684{"label": "pie_cpp_validation_001413", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001413.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001413", "task_path": "tasks/validation/pie_cpp_validation_001413.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n string s;\n\n cin >>s;\n\n\n\n int cnt=0, answer=0;\n\n string ss=s;\n\n\n\n for(int i=0; i<s.size(); i++){\n\n if((i+1)%2==0 && s[i]=='1'){\n\n s[i]='0';\n\n cnt++;\n\n }\n\n if((i+1)%2==1&&s[i]=='0'){\n\n s[i]='1';\n\n cnt++;\n\n }\n\n }\n\n answer=cnt;\n\n cnt=0;\n\n\n\n s=ss;\n\n\n\n for(int i=0; i<s.size(); i++){\n\n if((i+1)%2==0&&s[i]=='0'){\n\n s[i]='1';\n\n cnt++;\n\n }\n\n if((i+1)%2==1&&s[i]=='1'){\n\n s[i]='0';\n\n cnt++;\n\n }\n\n }\n\n cout <<min(answer,cnt) <<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001413"}685{"label": "pie_cpp_validation_001414", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001414.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001414", "task_path": "tasks/validation/pie_cpp_validation_001414.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n int tile=0;\n\n string S;\n\n cin >> S;\n\n \n\n for(int i=0; i<S.length(); i++){\n\n if(i%2 == 0 && S[i] == '1') tile++;\n\n if(i%2 == 1 && S[i] == '0') tile++;\n\n }\n\n \n\n int other=S.length();\n\n other-=tile;\n\n \n\n cout << min(tile,other) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001414"}686{"label": "pie_cpp_validation_001415", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001415.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001415", "task_path": "tasks/validation/pie_cpp_validation_001415.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint tile_reverse(string A, char flag)\n\n{\n\n int ans = 0;\n\n char tmp_flag = flag;\n\n if (A[0] != tmp_flag)\n\n {\n\n ans++;\n\n }\n\n for (int i = 1; i < A.size(); i++)\n\n {\n\n if (A[i] == tmp_flag)\n\n {\n\n ans++;\n\n if (A[i] == '0')\n\n {\n\n tmp_flag = '1';\n\n }\n\n else\n\n {\n\n tmp_flag = '0';\n\n }\n\n }\n\n else\n\n {\n\n tmp_flag = A[i];\n\n }\n\n }\n\n return ans;\n\n}\n\nint main()\n\n{\n\n string S;\n\n cin >> S;\n\n int ans0, ans1;\n\n ans0 = tile_reverse(S, '0');\n\n ans1 = tile_reverse(S, '1');\n\n cout << min(ans0, ans1) << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001415"}687{"label": "pie_cpp_validation_001416", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03073", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001416.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001416", "task_path": "tasks/validation/pie_cpp_validation_001416.json", "visible_test_count": 1}, "problem_id": "p03073", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n000\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <cassert>\n\n#include <algorithm>\n\n#include <cmath>\n\n\n\nint main (void){\n\n std::string S; std::cin >> S;\n\n\n\n bool SisOdd = false;\n\n if ( S.size() % 2 == 1 ) {\n\n SisOdd = true;\n\n if ( S.back() == '1' ) S += '0';\n\n else S += \"1\";\n\n }\n\n\n\n int pair10 = 0, pair11 = 0, pair01 = 0, pair00 = 0;\n\n char last2word[2];\n\n for(int i=0; i<S.size(); i++){\n\n if ( S.substr(i,2) == \"00\" ) pair00++;\n\n if ( S.substr(i,2) == \"10\" ) pair10++;\n\n if ( S.substr(i,2) == \"01\" ) pair01++;\n\n if ( S.substr(i,2) == \"11\" ) pair11++;\n\n last2word[0] = S[i];\n\n last2word[1] = S[i+1];\n\n i++;\n\n }\n\n\n\n if ( SisOdd ){\n\n if ( (pair10 <= pair01 && last2word[0] == '1' && last2word[1] == '0') ||\n\n (pair01 <= pair10 && last2word[0] == '0' && last2word[1] == '1' ) ) {\n\n std::cout << std::min(pair10,pair01)*2 - 1 + pair00 + pair11 << std::endl;\n\n return 0;\n\n }\n\n }\n\n std::cout << std::min(pair10,pair01)*2 + pair00 + pair11 << std::endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001416"}688{"label": "pie_cpp_validation_001495", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 170, "hidden_test_count": 1, "problem_id": "p01721", "reference_metric": "runtime_cpu_ns", "reference_value": 170, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001495.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001495", "task_path": "tasks/validation/pie_cpp_validation_001495.json", "visible_test_count": 1}, "problem_id": "p01721", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n10 10 1 10 3 3 7 7\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n \n\nstruct point{\n\n ll x,y;\n\n};\n\n \n\nll w,h,v,t,x,y,p,q;\n\nll R,H,W;\n\npoint o,O;\n\n \n\npoint calc(ll X,ll Y){\n\n ll dx=abs(X-O.x),dy=abs(Y-O.y);\n\n point res;\n\n \n\n if(dx%2==0)res.x=p;\n\n else res.x=w-p;\n\n \n\n if(dy%2==0)res.y=q;\n\n else res.y=h-q;\n\n \n\n res.x+=X*w;\n\n res.y+=Y*h;\n\n return res;\n\n}\n\n \n\nll search(ll Y){\n\n ll l=0,r=W,m;\n\n while(l<r){\n\n m=(l+r)/2;\n\n point d=calc(m,Y);\n\n ll dist= (d.x-o.x)*(d.x-o.x) + (d.y-o.y)*(d.y-o.y);\n\n if( dist <= v*t*v*t || o.x<= d.x ){\n\n r=m;\n\n }else{\n\n l=m+1;\n\n }\n\n }\n\n return l;\n\n}\n\n \n\nll search2(ll Y){\n\n ll l=0,r=W,m;\n\n while(l<r){\n\n m=(l+r)/2;\n\n point d=calc(m,Y);\n\n ll dist= (d.x-o.x)*(d.x-o.x) + (d.y-o.y)*(d.y-o.y);\n\n if( dist <= v*t*v*t || d.x < o.x ){\n\n l=m+1;\n\n }else{\n\n r=m;\n\n }\n\n }\n\n return l;\n\n}\n\n \n\nint main(){\n\n cin>>w>>h>>v>>t>>x>>y>>p>>q;\n\n R=v*t;\n\n W=(v*t/w+1LL)*4;\n\n H=(v*t/h+1LL)*4;\n\n O.x=W/2;\n\n O.y=H/2;\n\n o.x=O.x*w+x;\n\n o.y=O.y*h+y;\n\n \n\n \n\n \n\n ll ans=0;\n\n for(ll i=0;i<=H;i++){\n\n ll a=search(i);\n\n ll b=search2(i);\n\n point d=calc(a,i);\n\n ll dist= (d.x-o.x)*(d.x-o.x) + (d.y-o.y)*(d.y-o.y);\n\n d=calc(b,i);\n\n ll dist2= (d.x-o.x)*(d.x-o.x) + (d.y-o.y)*(d.y-o.y);\n\n d=calc(b-1,i);\n\n ll dist3= (d.x-o.x)*(d.x-o.x) + (d.y-o.y)*(d.y-o.y);\n\n d=calc(a-1,i);\n\n ll dist4= (d.x-o.x)*(d.x-o.x) + (d.y-o.y)*(d.y-o.y);\n\n \n\n \n\n\n\n ans+=(b-a);\n\n \n\n }\n\n cout<<ans<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001495"}689{"label": "pie_cpp_validation_001825", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001825.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001825", "task_path": "tasks/validation/pie_cpp_validation_001825.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nconst int mod = 1e9 + 7;\n\n\n\nstruct mint {\n\n int n;\n\n mint(int n = 0) : n(n) {}\n\n};\n\n\n\nmint operator+(mint a, mint b) { return (a.n += b.n) >= mod ? a.n - mod : a.n; }\n\nmint operator-(mint a, mint b) { return (a.n -= b.n) < 0 ? a.n + mod : a.n; }\n\nmint operator*(mint a, mint b) { return 1LL * a.n * b.n % mod; }\n\nmint &operator+=(mint &a, mint b) { return a = a + b; }\n\nmint &operator-=(mint &a, mint b) { return a = a - b; }\n\nmint &operator*=(mint &a, mint b) { return a = a * b; }\n\nostream &operator<<(ostream &o, mint a) { return o << a.n; }\n\n\n\nmint dpA[100001];\n\nmint dpB[100001];\n\nmint dpC[100001];\n\nmint dp[100001];\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n const int n = s.size();\n\n dpA[0] = 1;\n\n for (int i = 0; i < n; i++) {\n\n dpA[i + 1] += dpA[i];\n\n dpB[i + 1] += dpB[i];\n\n dpC[i + 1] += dpC[i];\n\n dp[i + 1] += dp[i];\n\n if (s[i] == 'A') {\n\n dpB[i + 1] += dpA[i];\n\n } else if (s[i] == 'B') {\n\n dpC[i + 1] += dpB[i];\n\n } else if (s[i] == 'C') {\n\n dp[i + 1] += dpC[i];\n\n } else {\n\n dpA[i + 1] += dpA[i] * 2;\n\n dpB[i + 1] += dpB[i] * 2;\n\n dpC[i + 1] += dpC[i] * 2;\n\n dp[i + 1] += dp[i] * 2;\n\n dpB[i + 1] += dpA[i];\n\n dpC[i + 1] += dpB[i];\n\n dp[i + 1] += dpC[i];\n\n }\n\n }\n\n cout << dp[n] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001825"}690{"label": "pie_cpp_validation_001826", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001826.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001826", "task_path": "tasks/validation/pie_cpp_validation_001826.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst ll MOD=1e9+7;\n\n\n\nll rep_pow(int n, int p) {\n\n if (p == 0) {\n\n return 1;\n\n }\n\n if (p % 2 == 0) {\n\n ll t = rep_pow(n, p / 2);\n\n return t * t % MOD;\n\n } else {\n\n return n * rep_pow(n, p - 1) % MOD;\n\n }\n\n}\n\n\n\nint main() {\n\n string s; cin >> s;\n\n int n=s.size();\n\n vector<ll> coma(n);\n\n vector<ll> comc(n);\n\n ll a_count=0, c_count=0;\n\n ll aq=0, cq=0;\n\n for (int i=0; i<=n-3; ++i) {\n\n if (s[i]=='A') {\n\n ++a_count;\n\n } else if (s[i]=='?') {\n\n ++aq;\n\n }\n\n if (aq==0) {\n\n coma[i+1]=a_count;\n\n } else {\n\n coma[i+1]=(3*a_count+aq)%MOD*rep_pow(3, aq-1)%MOD;\n\n }\n\n }\n\n for (int i=n-1; i>=2; --i) {\n\n if (s[i]=='C') {\n\n ++c_count;\n\n } else if (s[i]=='?') {\n\n ++cq;\n\n }\n\n if (cq==0) {\n\n comc[i-1]=c_count;\n\n } else {\n\n comc[i-1]=(3*c_count+cq)%MOD*rep_pow(3, cq-1)%MOD;\n\n }\n\n }\n\n ll ans=0;\n\n for (int i=1; i<n-1; ++i) {\n\n if (s[i]=='B'||s[i]=='?') {\n\n ans+=coma[i]*comc[i]%MOD;\n\n ans%=MOD;\n\n }\n\n }\n\n cout << ans;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001826"}691{"label": "pie_cpp_validation_001827", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001827.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001827", "task_path": "tasks/validation/pie_cpp_validation_001827.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i = 0; i < (int)(n); i++)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define all(v) v.begin(), v.end()\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\nusing vi = vector<int>;\n\nusing vc = vector<char>;\n\nusing vb = vector<bool>;\n\nusing vs = vector<string>;\n\nusing vll = vector<long long>;\n\nusing vp = vector<pair<int, int>>;\n\nusing vvi = vector<vector<int>>;\n\nusing vvc = vector<vector<char>>;\n\nusing vvll = vector<vector<long long>>;\n\ntemplate<class T> inline bool chmax(T &a, T b) { if (a<b) {a=b; return 1;} return 0;}\n\ntemplate<class T> inline bool chmin(T &a, T b) { if (b<a) {a=b; return 1;} return 0;}\n\n\n\nconst int mod = 1000000007;\n\n// const int mod = 998244353;\n\nstruct mint {\n\n long long x;\n\n mint(long long x=0) : x((x % mod + mod) % mod) {}\n\n mint operator-() const { return mint(-x);}\n\n mint& operator+=(const mint a) {\n\n if ((x += a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator-=(const mint a) {\n\n if ((x += mod - a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;}\n\n mint operator+(const mint a) const { return mint(*this) += a;}\n\n mint operator-(const mint a) const { return mint(*this) -= a;}\n\n mint operator*(const mint a) const { return mint(*this) *= a;}\n\n mint pow(long long t) const {\n\n if (!t) return 1;\n\n mint a = pow(t>>1);\n\n a *= a;\n\n if (t&1) a *= *this;\n\n return a;\n\n }\n\n mint inv() const { return pow(mod-2);}\n\n mint& operator/=(const mint a) { return *this *= a.inv();}\n\n mint operator/(const mint a) const { return mint(*this) /= a;}\n\n};\n\nistream& operator>>(istream& is, const mint& a) { return is >> a.x;}\n\nostream& operator<<(ostream& os, const mint& a) { return os << a.x;}\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n \n\n string s;\n\n cin >> s;\n\n int n = sz(s);\n\n vll la(n+1, 0), rc(n+1, 0);\n\n rep(i, n) la[i+1] = la[i] + (s[i] == 'A');\n\n for (int i = n-1; i >= 0; --i) rc[i] = rc[i+1] + (s[i] == 'C');\n\n ll aq = 0;\n\n rep(i, n) if (s[i] == '?') aq++;\n\n ll lq = 0;\n\n ll rq = aq;\n\n mint ans = 0;\n\n rep(i, n) {\n\n if (s[i] == 'B') {\n\n ans += mint(la[i]) * mint(rc[i]) * mint(3).pow(aq);\n\n if (aq - 1 >= 0) ans += mint(lq) * mint(rc[i]) * mint(3).pow(aq-1);\n\n if (aq - 1 >= 0) ans += mint(la[i]) * mint(rq) * mint(3).pow(aq-1);\n\n if (aq - 2 >= 0) ans += mint(lq) * mint(rq) * mint(3).pow(aq-2);\n\n } else if (s[i] == '?') {\n\n rq--;\n\n aq--;\n\n ans += mint(la[i]) * mint(rc[i]) * mint(3).pow(aq);\n\n if (aq - 1 >= 0) ans += mint(lq) * mint(rc[i]) * mint(3).pow(aq-1);\n\n if (aq - 1 >= 0) ans += mint(la[i]) * mint(rq) * mint(3).pow(aq-1);\n\n if (aq - 2 >= 0) ans += mint(lq) * mint(rq) * mint(3).pow(aq-2);\n\n aq++;\n\n lq++;\n\n }\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001827"}692{"label": "pie_cpp_validation_001828", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001828.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001828", "task_path": "tasks/validation/pie_cpp_validation_001828.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i = 0; i < (int)(n); i++)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define all(v) v.begin(), v.end()\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\nusing vi = vector<int>;\n\nusing vc = vector<char>;\n\nusing vb = vector<bool>;\n\nusing vs = vector<string>;\n\nusing vll = vector<long long>;\n\nusing vp = vector<pair<int, int>>;\n\nusing vvi = vector<vector<int>>;\n\nusing vvc = vector<vector<char>>;\n\nusing vvll = vector<vector<long long>>;\n\ntemplate<class T> inline bool chmax(T &a, T b) { if (a<b) {a=b; return 1;} return 0;}\n\ntemplate<class T> inline bool chmin(T &a, T b) { if (b<a) {a=b; return 1;} return 0;}\n\n\n\nconst int mod = 1000000007;\n\n// const int mod = 998244353;\n\nstruct mint {\n\n long long x;\n\n mint(long long x=0) : x((x % mod + mod) % mod) {}\n\n mint operator-() const { return mint(-x);}\n\n mint& operator+=(const mint a) {\n\n if ((x += a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator-=(const mint a) {\n\n if ((x += mod - a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;}\n\n mint operator+(const mint a) const { return mint(*this) += a;}\n\n mint operator-(const mint a) const { return mint(*this) -= a;}\n\n mint operator*(const mint a) const { return mint(*this) *= a;}\n\n mint pow(long long t) const {\n\n if (!t) return 1;\n\n mint a = pow(t>>1);\n\n a *= a;\n\n if (t&1) a *= *this;\n\n return a;\n\n }\n\n mint inv() const { return pow(mod-2);}\n\n mint& operator/=(const mint a) { return *this *= a.inv();}\n\n mint operator/(const mint a) const { return mint(*this) /= a;}\n\n};\n\nistream& operator>>(istream& is, const mint& a) { return is >> a.x;}\n\nostream& operator<<(ostream& os, const mint& a) { return os << a.x;}\n\n\n\n// int main() {\n\n// ios::sync_with_stdio(false);\n\n// cin.tie(0);\n\n \n\n// string s;\n\n// cin >> s;\n\n// int n = sz(s);\n\n// vll la(n+1, 0), rc(n+1, 0);\n\n// rep(i, n) la[i+1] = la[i] + (s[i] == 'A');\n\n// for (int i = n-1; i >= 0; --i) rc[i] = rc[i+1] + (s[i] == 'C');\n\n// ll aq = 0;\n\n// rep(i, n) if (s[i] == '?') aq++;\n\n// ll lq = 0;\n\n// ll rq = aq;\n\n// mint ans = 0;\n\n// rep(i, n) {\n\n// if (s[i] == 'B') {\n\n// ans += mint(la[i]) * mint(rc[i]) * mint(3).pow(aq);\n\n// if (aq - 1 >= 0) ans += mint(lq) * mint(rc[i]) * mint(3).pow(aq-1);\n\n// if (aq - 1 >= 0) ans += mint(la[i]) * mint(rq) * mint(3).pow(aq-1);\n\n// if (aq - 2 >= 0) ans += mint(lq) * mint(rq) * mint(3).pow(aq-2);\n\n// } else if (s[i] == '?') {\n\n// rq--;\n\n// aq--;\n\n// ans += mint(la[i]) * mint(rc[i]) * mint(3).pow(aq);\n\n// if (aq - 1 >= 0) ans += mint(lq) * mint(rc[i]) * mint(3).pow(aq-1);\n\n// if (aq - 1 >= 0) ans += mint(la[i]) * mint(rq) * mint(3).pow(aq-1);\n\n// if (aq - 2 >= 0) ans += mint(lq) * mint(rq) * mint(3).pow(aq-2);\n\n// aq++;\n\n// lq++;\n\n// }\n\n// }\n\n// cout << ans << endl;\n\n// }\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n int n = sz(s);\n\n vector<vector<mint>> dp(n+1, vector<mint>(4, 0));\n\n dp[0][0] = 1;\n\n for (int i = 0; i < n; ++i) {\n\n if (s[i] == 'A' || s[i] == '?') {\n\n dp[i+1][0] += dp[i][0];\n\n dp[i+1][1] += dp[i][1];\n\n dp[i+1][2] += dp[i][2];\n\n dp[i+1][3] += dp[i][3];\n\n dp[i+1][1] += dp[i][0];\n\n }\n\n if (s[i] == 'B' || s[i] == '?') {\n\n dp[i+1][0] += dp[i][0];\n\n dp[i+1][1] += dp[i][1];\n\n dp[i+1][2] += dp[i][2];\n\n dp[i+1][3] += dp[i][3];\n\n dp[i+1][2] += dp[i][1];\n\n }\n\n if (s[i] == 'C' || s[i] == '?') {\n\n dp[i+1][0] += dp[i][0];\n\n dp[i+1][1] += dp[i][1];\n\n dp[i+1][2] += dp[i][2];\n\n dp[i+1][3] += dp[i][3];\n\n dp[i+1][3] += dp[i][2];\n\n }\n\n }\n\n cout << dp[n][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001828"}693{"label": "pie_cpp_validation_001829", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001829.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001829", "task_path": "tasks/validation/pie_cpp_validation_001829.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#define _CRT_SECURE_NO_WARNINGS\n\n#include \"bits/stdc++.h\"\n\n#include <random>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n//#include <opencv2/core.hpp>\n\n//#include <opencv2/highgui.hpp>\n\n//#include <opencv2/imgproc.hpp>\n\n\n\nusing namespace std;\n\n\n\n//\u546a\u6587\n\n#define DUMPOUT cerr\n\n#define dump(...) DUMPOUT<<\" \";DUMPOUT<<#__VA_ARGS__<<\" :[\"<<__LINE__<<\":\"<<__FUNCTION__<<\"]\"<<endl;DUMPOUT<<\" \";dump_func(__VA_ARGS__)\n\n\n\ntypedef unsigned uint; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; typedef pair<string, string> pss;\n\ntemplate <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const pair<_KTy, _Ty>& m) { ostr << \"{\" << m.first << \", \" << m.second << \"}\"; return ostr; }\n\ntemplate <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const map<_KTy, _Ty>& m) { if (m.empty()) { ostr << \"{ }\"; return ostr; } ostr << \"{\" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { ostr << \", \" << *itr; } ostr << \"}\"; return ostr; }\n\ntemplate <typename _KTy, typename _Ty> ostream& operator << (ostream& ostr, const unordered_map<_KTy, _Ty>& m) { if (m.empty()) { ostr << \"{ }\"; return ostr; } ostr << \"{\" << *m.begin(); for (auto itr = ++m.begin(); itr != m.end(); itr++) { ostr << \", \" << *itr; } ostr << \"}\"; return ostr; }\n\ntemplate <typename _Ty> ostream& operator << (ostream& ostr, const vector<_Ty>& v) { if (v.empty()) { ostr << \"{ }\"; return ostr; } ostr << \"{\" << v.front(); for (auto itr = ++v.begin(); itr != v.end(); itr++) { ostr << \", \" << *itr; }\tostr << \"}\"; return ostr; }\n\ntemplate <typename _Ty> ostream& operator << (ostream& ostr, const set<_Ty>& s) { if (s.empty()) { ostr << \"{ }\"; return ostr; } ostr << \"{\" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { ostr << \", \" << *itr; }\tostr << \"}\"; return ostr; }\n\ntemplate <typename _Ty> ostream& operator << (ostream& ostr, const unordered_set<_Ty>& s) { if (s.empty()) { ostr << \"{ }\"; return ostr; } ostr << \"{\" << *(s.begin()); for (auto itr = ++s.begin(); itr != s.end(); itr++) { ostr << \", \" << *itr; }\tostr << \"}\"; return ostr; }\n\ntemplate <typename _Ty> ostream& operator << (ostream& ostr, const stack<_Ty>& s) { if (s.empty()) { ostr << \"{ }\"; return ostr; } stack<_Ty> t(s); ostr << \"{\" << t.top(); t.pop(); while (!t.empty()) { ostr << \", \" << t.top(); t.pop(); } ostr << \"}\";\treturn ostr; }\n\ntemplate <typename _Ty> ostream& operator << (ostream& ostr, const list<_Ty>& l) { if (l.empty()) { ostr << \"{ }\"; return ostr; } ostr << \"{\" << l.front(); for (auto itr = ++l.begin(); itr != l.end(); ++itr) { ostr << \", \" << *itr; } ostr << \"}\"; return ostr; }\n\ntemplate <typename _KTy, typename _Ty> istream& operator >> (istream& istr, pair<_KTy, _Ty>& m) { istr >> m.first >> m.second; return istr; }\n\ntemplate <typename _Ty> istream& operator >> (istream& istr, vector<_Ty>& v) { for (size_t i = 0; i < v.size(); i++) istr >> v[i]; return istr; }\n\nnamespace aux { // print tuple\n\n\ttemplate<typename Ty, unsigned N, unsigned L> struct tp { static void print(ostream& os, const Ty& v) { os << get<N>(v) << \", \"; tp<Ty, N + 1, L>::print(os, v); } };\n\n\ttemplate<typename Ty, unsigned N> struct tp<Ty, N, N> { static void print(ostream& os, const Ty& value) { os << get<N>(value); } };\n\n}\n\ntemplate<typename... Tys> ostream& operator<<(ostream& os, const tuple<Tys...>& t) { os << \"{\"; aux::tp<tuple<Tys...>, 0, sizeof...(Tys)-1>::print(os, t); os << \"}\"; return os; }\n\n\n\ntemplate<typename A, size_t N, typename T> inline void Fill(A(&array)[N], const T &val) { std::fill((T*)array, (T*)(array + N), val); }\n\n\n\nvoid dump_func() { DUMPOUT << endl; }\n\ntemplate <class Head, class... Tail> void dump_func(Head&& head, Tail&&... tail) { DUMPOUT << head; if (sizeof...(Tail) == 0) { DUMPOUT << \" \"; } else { DUMPOUT << \", \"; } dump_func(std::move(tail)...); }\n\n\n\n#define PI 3.14159265358979323846\n\n#define EPS 1e-10\n\n#define FOR(i,a,b) for(int i=(a);i<(b);++i)\n\n#define REP(i,n) FOR(i,0,n)\n\n#define all(x) (x).begin(), (x).end()\n\n#define SZ(x) ((int)(x).size())\n\n#define fake false\n\n\n\n\n\n\n\nconst ll MAX = 101010;\n\nconst ll MOD = 1000000007;\n\n\n\nll pow3[MAX];\n\n\n\nll coef(ll x, ll q){\n\n return (x * pow3[q] + q * pow3[q - 1]) % MOD;\n\n}\n\n\n\nint main() {\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n for(ll x = 1, i = 0; i < MAX; i++){\n\n pow3[i] = x;\n\n x = x * 3 % MOD;\n\n }\n\n\n\n string S;\n\n cin >> S;\n\n const int n = S.size();\n\n\n\n vector<ll> NA(n + 1, 0), NB(n + 1, 0), NC(n + 1, 0), NQ(n + 1, 0);\n\n for(int i = 0; i < n; i++){\n\n if(S[i] == 'A')\n\n NA[i + 1]++;\n\n else if(S[i] == 'B')\n\n NB[i + 1]++;\n\n else if(S[i] == 'C')\n\n NC[i + 1]++;\n\n else\n\n NQ[i + 1]++;\n\n }\n\n for(int i = 0; i < n; i++){\n\n NA[i + 1] += NA[i];\n\n NB[i + 1] += NB[i];\n\n NC[i + 1] += NC[i];\n\n NQ[i + 1] += NQ[i];\n\n }\n\n\n\n ll ans = 0;\n\n for(int i = 1; i <= n; i++){\n\n if(S[i - 1] == 'B' || S[i - 1] == '?'){\n\n ans += coef(NA[i - 1], NQ[i - 1]) * coef(NC[n] - NC[i], NQ[n] - NQ[i]);\n\n ans %= MOD;\n\n }\n\n }\n\n \n\n cout << ans << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001829"}694{"label": "pie_cpp_validation_001830", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001830.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001830", "task_path": "tasks/validation/pie_cpp_validation_001830.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n/*\n\n ID: bradyawn\n\n PROG: contest\n\n LANG: C++11\n\n */\n\n\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <iomanip>\n\n#include <fstream>\n\n#include <vector>\n\n#include <deque>\n\n#include <string>\n\n#include <cmath>\n\n#include <map>\n\n#include <unordered_map>\n\n#include <utility>\n\n#include <set>\n\n#include <unordered_set>\n\n#include <ctime>\n\n#include <queue>\n\n#include <stack>\n\n#include <bitset>\n\n#include <random>\n\n#include <cstring>\n\n#include <complex>\n\n#include <cassert>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int,int> i2;\n\ntypedef pair<ll,ll> ll2;\n\n\n\nconst ll mod = 1e9+7;\n\n\n\nint cntA[100001]; //A's prefix\n\nint cntC[100001]; //C's prefix\n\nint cntQ[100001]; //?'s prefix\n\nll pow3[100001]; //3 ^ i modded\n\n\n\nint getA(int a, int b)\n\n{\n\n if (a > b) return 0;\n\n return cntA[b]-cntA[a-1];\n\n}\n\n\n\nint getC(int a, int b)\n\n{\n\n if (a > b) return 0;\n\n return cntC[b]-cntC[a-1];\n\n}\n\n\n\nint getQ(int a, int b)\n\n{\n\n if (a > b) return 0;\n\n return cntQ[b]-cntQ[a-1];\n\n}\n\n\n\nll exp3(int cur)\n\n{\n\n if (cur < 0) cur = 0;\n\n return pow3[cur];\n\n}\n\n\n\nint n;\n\nstring s;\n\n\n\nint main()\n\n{\n\n //ifstream inf(\"\");\n\n //ofstream outf(\"\");\n\n //cout << setprecision(10);\n\n ios::sync_with_stdio(0); cin.tie(0);\n\n \n\n cin >> s;\n\n n = s.size();\n\n s = 'S'+s;\n\n\n\n pow3[0] = 1;\n\n for (int i = 1; i <= n; i++)\n\n {\n\n cntA[i] = cntA[i-1] + (s[i] == 'A');\n\n cntC[i] = cntC[i-1] + (s[i] == 'C');\n\n cntQ[i] = cntQ[i-1] + (s[i] == '?');\n\n pow3[i] = pow3[i-1]*3%mod;\n\n }\n\n \n\n ll ret = 0;\n\n \n\n for (int i = 1; i <= n; i++)\n\n {\n\n if (s[i] != 'B' && s[i] != '?') continue;\n\n \n\n ll A = getA(1, i);\n\n ll C = getC(i+1, n);\n\n ll prevQ = getQ(1, i-1); //flag\n\n ll nxtQ = getQ(i+1, n); //flag\n\n \n\n //sum of a's across all possible\n\n ll x = A*exp3(prevQ) + prevQ*exp3(prevQ-1);\n\n \n\n //sum of c's across all possible\n\n ll y = C*exp3(nxtQ) + nxtQ*exp3(nxtQ-1);\n\n \n\n ret += (x%mod) * (y%mod) % mod;\n\n ret %= mod;\n\n }\n\n \n\n cout << ret << '\\n';\n\n \n\n return 0;\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001830"}695{"label": "pie_cpp_validation_001831", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001831.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001831", "task_path": "tasks/validation/pie_cpp_validation_001831.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for (int i=0; i<n; i++)\n\n#define pb push_back\n\n#define int long long\n\ntypedef pair<int, int> P;\n\ntypedef tuple<int, int, int> T;\n\nconst int MOD = 1000000007;\n\n\n\nstring S;\n\nint Aacc[100100];\n\nint Cacc[100100];\n\nint Qacc[100100];\n\n\n\nint mod_pow(int x, int n) {\n\n int res = 1;\n\n while (n>0) {\n\n if (n&1) res = res*x%MOD;\n\n x = x*x%MOD;\n\n n >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nsigned main() {\n\n cin >> S;\n\n int N = S.size();\n\n rep(i, N) {\n\n if (S[i]=='A') Aacc[i+1] = Aacc[i]+1;\n\n else Aacc[i+1] = Aacc[i];\n\n }\n\n rep(i, N) {\n\n if (S[i]=='C') Cacc[i+1] = Cacc[i]+1;\n\n else Cacc[i+1] = Cacc[i];\n\n }\n\n rep(i, N) {\n\n if (S[i]=='?') Qacc[i+1] = Qacc[i]+1;\n\n else Qacc[i+1] = Qacc[i];\n\n }\n\n \n\n int ans = 0;\n\n rep(i, N) {\n\n if (S[i]=='B' or S[i]=='?') {\n\n int A = Aacc[i];\n\n int C = Cacc[N]-Cacc[i+1];\n\n int lQ = Qacc[i];\n\n int rQ = Qacc[N]-Qacc[i+1];\n\n ans += A*C*mod_pow(3, lQ+rQ);\n\n ans %= MOD;\n\n ans += A*rQ*mod_pow(3, lQ+rQ-1);\n\n ans %= MOD;\n\n ans += lQ*C*mod_pow(3, lQ+rQ-1);\n\n ans %= MOD;\n\n ans += lQ*rQ*mod_pow(3, lQ+rQ-2);\n\n ans %= MOD;\n\n }\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001831"}696{"label": "pie_cpp_validation_001832", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001832.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001832", "task_path": "tasks/validation/pie_cpp_validation_001832.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <cstdlib>\n\n#include <cmath>\n\n#include <climits>\n\n#include <cfloat>\n\n#include <map>\n\n#include <utility>\n\n#include <set>\n\n#include <iostream>\n\n#include <memory>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <sstream>\n\n#include <deque>\n\n#include <complex>\n\n#include <stack>\n\n#include <queue>\n\n#include <cstdio>\n\n#include <cctype>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <iterator>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <list>\n\n#include <iomanip>\n\n#include <cassert>\n\n\n\n#if __cplusplus >= 201103L\n\n#include <array>\n\n#include <tuple>\n\n#include <initializer_list>\n\n#include <unordered_set>\n\n#include <unordered_map>\n\n#include <forward_list>\n\n\n\n#define cauto const auto&\n\n#define ALL(v) begin(v),end(v)\n\n#else\n\n#define ALL(v) (v).begin(),(v).end()\n\n#endif\n\n\n\nusing namespace std;\n\n\n\n\n\nnamespace{\n\ntypedef long long LL;\n\ntypedef pair<int,int> pii;\n\ntypedef pair<LL,LL> pll;\n\n\n\ntypedef vector<int> vint;\n\ntypedef vector<vector<int> > vvint;\n\ntypedef vector<long long> vll, vLL;\n\ntypedef vector<vector<long long> > vvll, vvLL;\n\n\n\n#define VV(T) vector<vector< T > >\n\n\n\ntemplate <class T>\n\nvoid initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){\n\n\tv.assign(a, vector<T>(b, t));\n\n}\n\ntemplate <class T> inline T &chmin(T &x, const T &y){ return x = min(x, y); }\n\ntemplate <class T> inline T &chmax(T &x, const T &y){ return x = max(x, y); }\n\ntemplate <class F, class T>\n\nvoid convert(const F &f, T &t){\n\n\tstringstream ss;\n\n\tss << f;\n\n\tss >> t;\n\n}\n\n\n\n\n\n#define REP(i,n) for(int i=0;i<int(n);++i)\n\n#define RALL(v) (v).rbegin(),(v).rend()\n\n\n\n\n\n#define MOD 1000000007LL\n\n#define EPS 1e-8\n\n\n\nLL p3[100010];\n\n\n\nLL func(int u, int ofs){\n\n\treturn ((u ? p3[u - 1] * u : 0LL) + ofs * p3[u]) % MOD;\n\n}\n\n\n\nvoid mainmain(){\n\n\tp3[0] = 1;\n\n\tfor(int i = 1; i < 100010; ++i){ p3[i] = p3[i - 1] * 3 % MOD; }\n\n\tstring s;\n\n\tcin >> s;\n\n\tint lt = 0;\n\n\tint rt = count(ALL(s), '?');\n\n\tint a = 0;\n\n\tint c = count(ALL(s), 'C');\n\n\tLL ans = 0;\n\n\tfor(char x : s){\n\n\t\tif(x == '?'){ --rt; }\n\n\t\tif(x == 'C'){ --c; }\n\n\t\tif(x == '?' || x == 'B'){\n\n\t\t\tLL t = func(lt, a);\n\n\t\t\tLL u = func(rt, c);\n\n\t\t\tans = (ans + t * u) % MOD;\n\n\t\t}\n\n\t\tif(x == '?'){ ++lt; }\n\n\t\tif(x == 'A'){ ++a; }\n\n\t}\n\n\tcout << ans << endl;\n\n}\n\n\n\n\n\n\n\n}\n\nint main() try{\n\n//\tios::sync_with_stdio(false); cin.tie(0);\n\n\tcout << fixed << setprecision(10);\n\n\tcerr << fixed << setprecision(4);\n\n\tmainmain();\n\n}\n\ncatch(...){}\n```", "split": "validation", "task_id": "pie_cpp_validation_001832"}697{"label": "pie_cpp_validation_001833", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001833.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001833", "task_path": "tasks/validation/pie_cpp_validation_001833.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n//template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\n//template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nconst int mod = 1000000007;\n\n\n\nvoid add(ll &a, ll b){\n\n a += b;\n\n if(a >= mod) a -= mod;\n\n}\n\n\n\nll dp[100005][5];\n\n\n\nint main(void){\n\n string s; cin >> s;\n\n\n\n dp[0][0] = 1;\n\n for(int i=0; i<s.size(); i++){\n\n for(int j=0; j<5; j++){\n\n if(s[i] == '?') add(dp[i+1][j], dp[i][j] * 3 % mod);\n\n else add(dp[i+1][j], dp[i][j]);\n\n }\n\n if(s[i] == 'A' || s[i] == '?') add(dp[i+1][1], dp[i][0]);\n\n if(s[i] == 'B' || s[i] == '?') add(dp[i+1][2], dp[i][1]);\n\n if(s[i] == 'C' || s[i] == '?') add(dp[i+1][3], dp[i][2]);\n\n }\n\n\n\n cout << dp[s.size()][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001833"}698{"label": "pie_cpp_validation_001834", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001834.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001834", "task_path": "tasks/validation/pie_cpp_validation_001834.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n//template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\n//template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\n/* attention\n\n long long\u306e\u30b7\u30d5\u30c8\u6f14\u7b97\u306b\u306f\u6c17\u3092\u3064\u3051\u3088\u3046\n\n \u30bf\u30a4\u30dd\u3057\u305f\u6642\u306e\u30c7\u30d0\u30c3\u30b0\u304c\u6b7b\u306c\u307b\u3069\u304d\u3064\u304f\u306a\u308b\u306e\u3067\u5909\u6570\u540d\u306f\u6700\u4f4e3\u5b57\u304f\u3089\u3044\u4f7f\u3063\u305f\u65b9\u304c\u3044\u3044\u304b\u3082\n\n*/\n\n\n\nconst int mod = 1000000007;\n\n\n\nll dp[100050][4];\n\n\n\nint main(){\n\n string s; cin >> s;\n\n int size = s.size();\n\n s = '0' + s;\n\n\n\n dp[0][0] = 1;\n\n\n\n for(int i=1; i<=size; i++){\n\n if(s[i] != '?') for(int j=0; j<4; j++) dp[i][j] += dp[i-1][j], dp[i][j] %= mod;\n\n else for(int j=0; j<4; j++) dp[i][j] += 3*dp[i-1][j], dp[i][j] %= mod;\n\n\n\n if(s[i] == 'A' || s[i] == '?') dp[i][1] += dp[i-1][0], dp[i][1] %= mod;\n\n if(s[i] == 'B' || s[i] == '?') dp[i][2] += dp[i-1][1], dp[i][2] %= mod;\n\n if(s[i] == 'C' || s[i] == '?') dp[i][3] += dp[i-1][2], dp[i][3] %= mod;\n\n }\n\n\n\n cout << dp[size][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001834"}699{"label": "pie_cpp_validation_001835", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001835.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001835", "task_path": "tasks/validation/pie_cpp_validation_001835.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconstexpr long mod = 1000000007;\n\n\n\nlong powpow(long x, long y) {\n\n long r = 1;\n\n while(y) {\n\n if(y&1) r *= x, r %= mod;\n\n x *= x, x %= mod;\n\n y >>= 1;\n\n }\n\n return r;\n\n}\n\n\n\nint main(void) {\n\n string s;\n\n cin >> s;\n\n int l = s.size();\n\n\n\n vector<vector<long>> dp(3, vector<long>(4));\n\n\n\n long q = 0;\n\n for(size_t i=0; i<l; i++)\n\n q += s[i] == '?';\n\n\n\n for(size_t i=0; i<l; i++) {\n\n for(int j: {2,1,0})\n\n for(int k: {2,1,0}) {\n\n dp[j][k] += (j>0 ? dp[j-1][k] : k==0) * (s[i] == 'A'+j), dp[j][k] %= mod;\n\n dp[j][k+1] += (j>0 ? dp[j-1][k] : k==0) * (s[i] == '?'), dp[j][k+1] %= mod;\n\n\n\n }\n\n }\n\n\n\n long r = 0;\n\n for(int i: {0,1,2,3})\n\n if(q-i >= 0)\n\n r += dp[2][i] * powpow(3, q-i), r %= mod;\n\n\n\n cout << r << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001835"}700{"label": "pie_cpp_validation_001836", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001836.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001836", "task_path": "tasks/validation/pie_cpp_validation_001836.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst ll MOD = (1e+9) + 7;\n\n\n\nll dp[100001][4];\n\n\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n\n\n dp[0][0] = 1;\n\n\n\n for(int i = 1; i <= s.size(); i++){\n\n for(int j = 0; j < 4; j++){\n\n dp[i][j] += dp[i-1][j] * (s[i-1] == '?' ? 3 : 1);\n\n dp[i][j] %= MOD;\n\n }\n\n\n\n if(s[i-1] == '?' || s[i-1] == 'A'){\n\n dp[i][1] += dp[i-1][0];\n\n dp[i][1] %= MOD;\n\n }\n\n if(s[i-1] == '?' || s[i-1] == 'B'){\n\n dp[i][2] += dp[i-1][1];\n\n dp[i][2] %= MOD;\n\n }\n\n if(s[i-1] == '?' || s[i-1] == 'C'){\n\n dp[i][3] += dp[i-1][2];\n\n dp[i][3] %= MOD;\n\n }\n\n\n\n }\n\n\n\n cout << dp[s.size()][3] << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001836"}701{"label": "pie_cpp_validation_001837", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001837.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001837", "task_path": "tasks/validation/pie_cpp_validation_001837.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nconst int64_t MOD= 1000000007;\n\n/* \u5270\u4f59\u74b0 Z/nZ */\n\nstruct mint{ // Z/nZ \u306b\u95a2\u3059\u308b\u6f14\u7b97(n:\u7d20\u6570\u306e\u5834\u5408\u306f\u9664\u7b97\u3082)\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u69cb\u9020\u4f53\n\n int64_t rep; // \u51fa\u529b\u3059\u3079\u304d\u4ee3\u8868\u5143 rep \\in {0,1,..,MOD- 1}\n\n mint(int64_t x=0): rep(((x%MOD)+ MOD)% MOD){}\n\n mint operator-() const { return mint(-rep);}\n\n mint& operator+=(const mint& x){\n\n rep+= x.rep; \n\n if(rep>= MOD) rep-= MOD;\n\n return *this;\n\n }\n\n mint& operator-=(const mint& x){\n\n rep-= x.rep;\n\n if(rep< 0) rep+= MOD;\n\n return *this;\n\n }\n\n mint& operator*=(const mint& x){\n\n rep*= x.rep; rep%= MOD;\n\n return *this;\n\n }\n\n mint operator+(const mint x) const {\n\n mint ans(*this);\n\n ans+= x;\n\n return ans;\n\n }\n\n mint operator-(const mint x) const {\n\n mint ans(*this);\n\n ans-= x;\n\n return ans;\n\n }\n\n mint operator*(const mint x) const {\n\n mint ans(*this);\n\n ans*= x;\n\n return ans;\n\n }\n\n\n\n mint pow(int64_t d) const{ // d \\geq 0\n\n if(d<=0) return 1; /* \u3053\u306e\u554f\u984c\u306b\u5408\u3046\u3088\u3046\u306b d<0 \u306e\u3068\u304d\u306b\u5bfe\u5fdc */\n\n else{\n\n mint ans= pow(d>>1);\n\n ans*= ans;\n\n if(d&1){ ans*= *this; }\n\n\n\n return ans;\n\n }\n\n }\n\n\n\n friend istream& operator >> (istream &is, mint& x) noexcept{\n\n int64_t a;\n\n is >> a;\n\n x= a;\n\n return is;\n\n }\n\n friend ostream& operator << (ostream &os, const mint& x) noexcept{\n\n return os << x.rep;\n\n }\n\n // MOD \u304c\u7d20\u6570(<=> Z/nZ \u304c\u4f53)\u306e\u3068\u304d\n\n mint inv() const{\n\n return pow(MOD-2);\n\n }\n\n mint& operator/=(const mint& x){\n\n *this *= x.inv();\n\n return *this;\n\n }\n\n mint operator/(const mint x) const {\n\n mint ans(*this);\n\n ans/= x;\n\n return ans;\n\n }\n\n};\n\n// ^^^ \u30c6\u30f3\u30d7\u30ec\u3053\u3053\u307e\u3067 ^^^\n\n\n\nint main(){\n\n const mint three= 3;\n\n\n\n string S;\n\n cin >> S;\n\n\n\n vector<int> posA;\n\n vector<int> posB;\n\n vector<int> posC;\n\n vector<int> posW;\n\n\n\n for(int i=0; i<S.size(); i++){\n\n if(S.at(i)=='A'){ posA.emplace_back(i); }\n\n if(S.at(i)=='B'){ posB.emplace_back(i); }\n\n if(S.at(i)=='C'){ posC.emplace_back(i); }\n\n if(S.at(i)=='?'){ posW.emplace_back(i); }\n\n }\n\n const int Q= posW.size();\n\n \n\n mint ans= 0; /* (i,j,k)\u304c\u540c\u3058\u3067\u3082\u5143\u306e\u6587\u5b57\u5217\u304c\u9055\u3048\u3070\u91cd\u8907\u3057\u3066\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f */\n\n for(auto pB:posB){\n\n auto itrA= lower_bound(posA.begin(), posA.end(), pB);\n\n auto itrC= lower_bound(posC.begin(), posC.end(), pB);\n\n auto itrW= lower_bound(posW.begin(), posW.end(), pB);\n\n\n\n mint choiceA = distance(posA.begin(), itrA);\n\n mint choiceWasA= distance(posW.begin(), itrW);\n\n mint choiceC = distance(itrC, posC.end());\n\n mint choiceWasC= distance(itrW, posW.end());\n\n\n\n mint patternAC= three.pow(Q) * choiceA * choiceC;\n\n mint patternWC= three.pow(Q-1)* choiceWasA* choiceC;\n\n mint patternAW= three.pow(Q-1)* choiceA * choiceWasC;\n\n mint patternWW= three.pow(Q-2)* choiceWasA* choiceWasC;\n\n\n\n ans+= patternAC+ patternWC+ patternAW+ patternWW;\n\n }\n\n for(auto pWasB:posW){\n\n auto itrA= lower_bound(posA.begin(), posA.end(), pWasB);\n\n auto itrC= lower_bound(posC.begin(), posC.end(), pWasB);\n\n auto itrWasA= lower_bound(posW.begin(), posW.end(), pWasB);\n\n auto itrWasC= upper_bound(posW.begin(), posW.end(), pWasB);\n\n\n\n mint choiceA = distance(posA.begin(), itrA);\n\n mint choiceWasA= distance(posW.begin(), itrWasA);\n\n mint choiceC = distance(itrC , posC.end());\n\n mint choiceWasC= distance(itrWasC, posW.end());\n\n\n\n mint patternAC= three.pow(Q-1)* choiceA * choiceC;\n\n mint patternWC= three.pow(Q-2)* choiceWasA* choiceC;\n\n mint patternAW= three.pow(Q-2)* choiceA * choiceWasC;\n\n mint patternWW= three.pow(Q-3)* choiceWasA* choiceWasC;\n\n\n\n ans+= patternAC+ patternWC+ patternAW+ patternWW;\n\n }\n\n\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001837"}702{"label": "pie_cpp_validation_001838", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001838.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001838", "task_path": "tasks/validation/pie_cpp_validation_001838.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <climits>\n\n#include <cfloat>\n\n#include <map>\n\n#include <utility>\n\n#include <set>\n\n#include <iostream>\n\n#include <memory>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <sstream>\n\n#include <complex>\n\n#include <stack>\n\n#include <queue>\n\n#include <iomanip>\n\n#include <array>\n\n#include <numeric>\n\n#include <regex>\n\n#include <bitset>\n\n#include <deque>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int, int> p_ii;\n\n#define REP(i,m,n) for(int i=(int)m ; i < (int) n ; ++i )\n\n#define rep(i,n) REP(i,0,n)\n\n\n\nconst int INF = 1e9;\n\nconst double PI = acos(-1.0);\n\nconst ll MOD = 1e9 + 7;\n\n\n\n\n\nint main() {\n\n\t\n\n\tstring S;\n\n\tcin >> S;\n\n\n\n\tvector<ll> dp(100010), a(100010), ab(100010), sum(100010);\n\n\tdp[0] = 0; a[0] = 0; ab[0] = 0; sum[0] = 1;\n\n\n\n\trep(i, S.size()) {\n\n\t\tif (S[i] == '?') {\n\n\t\t\ta[i + 1] = (sum[i] + 3 * a[i]);\n\n\t\t\tab[i + 1] = (a[i] + 3 * ab[i]);\n\n\t\t\tdp[i + 1] = (ab[i] + 3 * dp[i]);\n\n\t\t\tsum[i + 1] = sum[i] * 3;\n\n\t\t}\n\n\t\telse {\n\n\t\t\ta[i + 1] = a[i]; ab[i + 1] = ab[i]; dp[i + 1] = dp[i];\n\n\t\t\tif (S[i] == 'A') {\n\n\t\t\t\ta[i + 1] += sum[i];\n\n\t\t\t}\n\n\t\t\telse if (S[i] == 'B') {\n\n\t\t\t\tab[i + 1] += a[i];\n\n\t\t\t}\n\n\t\t\telse if (S[i] == 'C') {\n\n\t\t\t\tdp[i + 1] += ab[i];\n\n\t\t\t}\n\n\t\t\tsum[i + 1] = sum[i];\n\n\t\t}\n\n\t\ta[i + 1] %= MOD;\n\n\t\tab[i + 1] %= MOD;\n\n\t\tdp[i + 1] %= MOD;\n\n\t\tsum[i + 1] %= MOD;\n\n\t}\n\n\n\n\tcout << dp[S.size()] << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001838"}703{"label": "pie_cpp_validation_001839", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001839.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001839", "task_path": "tasks/validation/pie_cpp_validation_001839.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> //Ithea Myse Valgulious\n\nnamespace chtholly{\n\ntypedef long long ll;\n\n#define re0 register int\n\n#define rec register char\n\n#define rel register ll\n\n#define gc getchar\n\n#define pc putchar\n\n#define p32 pc(' ')\n\n#define pl puts(\"\")\n\n/*By Citrus*/\n\ninline int read(){\n\n int x=0,f=1;char c=gc();\n\n for (;!isdigit(c);c=gc()) f^=c=='-';\n\n for (;isdigit(c);c=gc()) x=(x<<3)+(x<<1)+(c^'0');\n\n return f?x:-x;\n\n }\n\ntemplate <typename mitsuha>\n\ninline bool read(mitsuha &x){\n\n x=0;int f=1;char c=gc();\n\n for (;!isdigit(c)&&~c;c=gc()) f^=c=='-';\n\n if (!~c) return 0;\n\n for (;isdigit(c);c=gc()) x=(x<<3)+(x<<1)+(c^'0');\n\n return x=f?x:-x,1;\n\n }\n\ntemplate <typename mitsuha>\n\ninline int write(mitsuha x){\n\n if (!x) return 0&pc(48);\n\n if (x<0) x=-x,pc('-');\n\n int bit[20],i,p=0;\n\n for (;x;x/=10) bit[++p]=x%10;\n\n for (i=p;i;--i) pc(bit[i]+48);\n\n return 0;\n\n }\n\ninline char fuhao(){\n\n char c=gc();\n\n for (;isspace(c);c=gc());\n\n return c;\n\n }\n\n}using namespace chtholly;\n\nusing namespace std;\n\nconst int yuzu=1e5,mod=1e9+7;\n\ntypedef ll fuko[yuzu|10];\n\nll n,ans;\n\nfuko a,c,wh,wq;\n\nchar str[yuzu|10];\n\n \n\nll kasumi(ll a,ll b){\n\nif (b<0) return 0;\n\nll s=1;\n\nfor (;b;b>>=1,a=a*a%mod) if (b&1) s=s*a%mod;\n\nreturn s;\n\n}\n\n \n\nint main(){\n\nint i,j;\n\nscanf(\"%s\",str+1);\n\nn=strlen(str+1);\n\nfor (i=1;i<=n;i++){\n\n a[i]=a[i-1]+(str[i]=='A');\n\n wq[i]=wq[i-1]+(str[i]=='?');\n\n }\n\nfor (i=n;i;i--){\n\n c[i]=c[i+1]+(str[i]=='C');\n\n wh[i]=wh[i+1]+(str[i]=='?');\n\n }\n\nfor (i=1;i<=n;i++){\n\n if (str[i]=='B'||str[i]=='?'){\n\n ans=(ans+(a[i-1]*kasumi(3,wq[i-1])%mod+kasumi(3,wq[i-1]-1)*wq[i-1]%mod)%mod*(c[i+1]*kasumi(3,wh[i+1])%mod+kasumi(3,wh[i+1]-1)*wh[i+1]%mod)%mod)%mod;\n\n }\n\n }\n\nwrite(ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001839"}704{"label": "pie_cpp_validation_001840", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001840.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001840", "task_path": "tasks/validation/pie_cpp_validation_001840.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstring>\n\nusing namespace std;\n\nchar a[100009];\n\nunsigned long long dp1[100009];\n\nunsigned long long dp3[100009];\n\nunsigned long long dp2[100009];\n\nunsigned long long sum=0;\n\nunsigned long long wenhao=1;\n\n#define mood(x) ((x)%1000000007) \n\nint main()\n\n{\n\n\tios::sync_with_stdio(false);\n\n\tcin>>(a+1);\n\n\tint len=strlen(a+1);\n\n\t\n\n\tfor(int i=1;i<=len;i++)\n\n\t{\tdp1[i]=dp1[i-1];\n\n\t\tdp2[i]=dp2[i-1];\n\n\t\tdp3[i]=dp3[i-1];\n\n\t\tif(a[i]=='A')\n\n\t\t{\n\n\t\t\tdp1[i]+=wenhao;\n\n\t\t\tdp1[i]=mood(dp1[i]);\n\n\t\t}\n\n\t\telse if(a[i]=='B')\n\n\t\t{\n\n\t\t\tdp2[i]=mood((mood(dp1[i-1])+mood(dp2[i])));\n\n\t\t}\n\n\t\telse if(a[i]=='C')\n\n\t\t{\n\n\t\t\tdp3[i]=mood((mood(dp2[i-1])+mood(dp3[i])));\n\n\t\t}\n\n\t\telse if(a[i]=='?')\n\n\t\t{ \n\n\t\t \n\n\t\t\t\n\n\t\t\tdp1[i]=mood(dp1[i-1]*3+wenhao);\n\n\t\t\tdp2[i]=mood(dp2[i-1]*3+dp1[i-1]);\n\n\t\t\tdp3[i]=mood(dp3[i-1]*3+dp2[i-1]);\n\n\t\t\twenhao*=3;\n\n\t\t\twenhao=mood(wenhao);\n\n\t\t}\n\n\t\t\n\n\t}\n\n\tcout<<mood(dp3[len])<<endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001840"}705{"label": "pie_cpp_validation_001841", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001841.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001841", "task_path": "tasks/validation/pie_cpp_validation_001841.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cstring>\n\n#include <deque>\n\n#include <functional>\n\n#include <iostream>\n\n#include <limits>\n\n#include <map>\n\n#include <numeric>\n\n#include <queue>\n\n#include <set>\n\n#include <vector>\n\nusing namespace std;\n\nusing ll = long long;\n\n#define fst first\n\n#define snd second\n\n\n\n/* clang-format off */\n\ntemplate <class T, size_t D> struct _vec { using type = vector<typename _vec<T, D - 1>::type>; };\n\ntemplate <class T> struct _vec<T, 1> { using type = vector<T>; };\n\ntemplate <class T, size_t D> using vec = typename _vec<T, D>::type;\n\ntemplate <class T> vector<T> make_v(size_t size, const T& init) { return vector<T>(size, init); }\n\ntemplate <class... Ts> auto make_v(size_t size, Ts... rest) { return vector<decltype(make_v(rest...))>(size, make_v(rest...)); }\n\n/* clang-format on */\n\n\n\nconst ll MOD = 1e9 + 7;\n\n\n\nll power(ll x, ll e) {\n\n ll v = 1;\n\n for (; e > 0; e >>= 1) {\n\n if (e & 1) {\n\n v = v * x % MOD;\n\n }\n\n x = x * x % MOD;\n\n }\n\n return v;\n\n}\n\n\n\nint main() {\n\n string S;\n\n while (cin >> S) {\n\n vec<ll, 2> dpA = make_v(S.size() + 1, 4, 0ll);\n\n vec<ll, 2> dpB = make_v(S.size() + 1, 4, 0ll);\n\n vec<ll, 2> dpC = make_v(S.size() + 1, 4, 0ll);\n\n for (int i = 0; i < S.size(); i++) {\n\n for (int j = 0; j < 4; j++) {\n\n dpA[i + 1][j] = dpA[i][j];\n\n dpB[i + 1][j] = dpB[i][j];\n\n dpC[i + 1][j] = dpC[i][j];\n\n }\n\n int add = S[i] == '?';\n\n if (S[i] == 'A' || S[i] == '?') {\n\n (dpA[i + 1][add] += 1) %= MOD;\n\n }\n\n if (S[i] == 'B' || S[i] == '?') {\n\n for (int j = 0; j < 2; j++) {\n\n (dpB[i + 1][j + add] += dpA[i][j]) %= MOD;\n\n }\n\n }\n\n if (S[i] == 'C' || S[i] == '?') {\n\n for (int j = 0; j < 3; j++) {\n\n (dpC[i + 1][j + add] += dpB[i][j]) %= MOD;\n\n }\n\n }\n\n }\n\n int Q = count(S.begin(), S.end(), '?');\n\n ll res = 0;\n\n for (int j = 0; j < 4; j++) {\n\n res = (res + dpC[S.size()][j] * power(3, Q - j) % MOD) % MOD;\n\n }\n\n cout << res << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001841"}706{"label": "pie_cpp_validation_001842", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 35, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 35, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001842.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001842", "task_path": "tasks/validation/pie_cpp_validation_001842.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\n\n\n#define REP(i, n) for(ll i = 0; i < n; i++)\n\n#define REPR(i, n) for(ll i = n; i >= 0; i--)\n\n#define FOR(i, m, n) for(ll i = m; i < n; i++)\n\n#define ALL(obj) (obj).begin(), (obj).end()\n\n#define INF 1e9\n\n#define LINF 1e18\n\n\n\n\n\nconst int MOD = 1e9+7;\n\nconst int MAXR = 510000;\n\n\n\ntemplate<ll mod> class modint{\n\npublic:\n\n ll val=0;\n\n //\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n\n modint(ll x=0){while(x<0)x+=mod;val=x%mod;}\n\n //\u30b3\u30d4\u30fc\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n\n modint(const modint &r){val=r.val;}\n\n //\u7b97\u8853\u6f14\u7b97\u5b50\n\n modint operator -(){return modint(-val);} //\u5358\u9805\n\n modint operator +(const modint &r){return modint(*this)+=r;}\n\n modint operator -(const modint &r){return modint(*this)-=r;}\n\n modint operator *(const modint &r){return modint(*this)*=r;}\n\n modint operator /(const modint &r){return modint(*this)/=r;}\n\n //\u4ee3\u5165\u6f14\u7b97\u5b50\n\n modint &operator +=(const modint &r){\n\n val+=r.val;\n\n if(val>=mod)val-=mod;\n\n return *this;\n\n }\n\n modint &operator -=(const modint &r){\n\n if(val<r.val)val+=mod;\n\n val-=r.val;\n\n return *this;\n\n }\n\n modint &operator *=(const modint &r){\n\n val=val*r.val%mod;\n\n return *this;\n\n }\n\n modint &operator /=(const modint &r){\n\n ll a=r.val,b=mod,u=1,v=0;\n\n while(b){\n\n ll t=a/b;\n\n a-=t*b;swap(a,b);\n\n u-=t*v;swap(u,v);\n\n }\n\n val=val*u%mod;\n\n if(val<0)val+=mod;\n\n return *this;\n\n }\n\n //\u7b49\u4fa1\u6bd4\u8f03\u6f14\u7b97\u5b50\n\n bool operator ==(const modint& r){return this->val==r.val;}\n\n bool operator <(const modint& r){return this->val<r.val;}\n\n bool operator !=(const modint& r){return this->val!=r.val;}\n\n};\n\n\n\nusing mint = modint<MOD>;\n\n\n\n//\u5165\u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\n\nistream &operator >>(istream &is,mint& x){//x\u306bconst\u4ed8\u3051\u306a\u3044\n\n ll t;is >> t;\n\n x=t;\n\n return (is);\n\n}\n\nostream &operator <<(ostream &os,const mint& x){\n\n return os<<x.val;\n\n}\n\n\n\n//\u7d2f\u4e57\n\nmint modpow(const mint &a,ll n){\n\n if(n<=0)return 1;\n\n mint t=modpow(a,n/2);\n\n t=t*t;\n\n if(n&1)t=t*a;\n\n return t;\n\n}\n\n\n\n//\u4e8c\u9805\u4fc2\u6570\u306e\u8a08\u7b97\n\nmint fac[MAXR+1],finv[MAXR+1],inv[MAXR+1];\n\n//\u30c6\u30fc\u30d6\u30eb\u306e\u4f5c\u6210\n\nvoid com_init() {\n\n fac[0]=fac[1]=1;\n\n finv[0]=finv[1]=1;\n\n inv[1]=1;\n\n FOR(i,2,MAXR){\n\n fac[i]=fac[i-1]*mint(i);\n\n inv[i]=-inv[MOD%i]*mint(MOD/i);\n\n finv[i]=finv[i-1]*inv[i];\n\n }\n\n}\n\n//\u6f14\u7b97\u90e8\u5206\n\nmint com(ll n,ll k){\n\n if(n<k)return 0;\n\n if(n<0)return 0;\n\n if(k==0) return 1;\n\n return fac[n]*finv[k]*finv[n-k];\n\n}\n\n\n\nint main() {\n\n string S; cin >> S;\n\n int N = S.size();\n\n vector<ll> q_front(N,0), q_back(N,0);\n\n vector<ll> a_cnt(N,0), c_cnt(N,0);\n\n REP(i,N){\n\n if(S[i]=='A') a_cnt[i]+=1;\n\n if(S[i]=='?') q_front[i]+=1;\n\n\n\n if(i!=N-1){\n\n a_cnt[i+1] += a_cnt[i];\n\n q_front[i+1] += q_front[i];\n\n }\n\n }\n\n REPR(i,N-1){\n\n if(S[i]=='C') c_cnt[i]+=1;\n\n if(S[i]=='?') q_back[i]+=1;\n\n\n\n if(i!=0){\n\n c_cnt[i-1] += c_cnt[i];\n\n q_back[i-1] += q_back[i];\n\n }\n\n }\n\n\n\n mint ans = 0;\n\n FOR(i,1,N-1){\n\n if(S[i]=='B' || S[i]=='?'){\n\n mint a = a_cnt[i-1];\n\n mint x = q_front[i-1];\n\n mint front = (a+x)*modpow(3,q_front[i-1]) - (mint)2*x*modpow(3,q_front[i-1]-1);\n\n\n\n mint c = c_cnt[i+1];\n\n mint y = q_back[i+1];\n\n mint back = (c+y)*modpow(3,q_back[i+1]) - (mint)2*y*modpow(3,q_back[i+1]-1);\n\n ans += front * back;\n\n //cout << i << \", \" << front << \", \" << back << endl;\n\n }\n\n }\n\n\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001842"}707{"label": "pie_cpp_validation_001843", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 16, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 16, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001843.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001843", "task_path": "tasks/validation/pie_cpp_validation_001843.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ll long long\n\nusing namespace std;\n\n\n\nll mod = 1e9+7;\n\n\n\nll add(ll a, ll b){\n\n return (a%mod + b%mod)%mod;\n\n}\n\n\n\nint main(){\n\n string ABC = \"ABC\";\n\n\n\n string S; cin >> S;\n\n int N = S.length();\n\n\n\n vector<vector<ll>> dp;\n\n dp = vector<vector<ll>>(N+1, vector<ll>(4,0));\n\n dp[0][0] = 1;\n\n for(int i=0; i<N; i++){\n\n ll m1 = (S[i]=='?' ? 3:1);\n\n dp[i+1][0] = (m1*dp[i][0])%mod;\n\n for(int j=1; j<=3; j++){\n\n ll m2 = ((S[i]==ABC[j-1] || S[i]=='?') ? 1:0);\n\n dp[i+1][j] = add(m1*dp[i][j], m2*dp[i][j-1]);\n\n }\n\n }\n\n cout << dp[N][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001843"}708{"label": "pie_cpp_validation_001844", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001844.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001844", "task_path": "tasks/validation/pie_cpp_validation_001844.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream> // cin, cout, cerr, clog\n\n#include <algorithm> // minmax, sort, swap\n\n#include <numeric> // iota, accumulate, inner_product\n\n#include <cstdio> // printf, scanf\n\n#include <climits> // INT_MIN, LLONG_MIN\n\n#include <cmath> // long, trig, pow\n\n#include <string> // string, stoi, to_string\n\n#include <vector> // vector\n\n#include <queue> // queue, priority_queue\n\n#include <deque> // deque\n\n#include <stack> // stack\n\n#include <map> // key-value pairs sorted by keys\n\n#include <set> // set\n\n#include <unordered_map> // hashed by keys\n\n#include <unordered_set> // hashed by keys\n\n#include <iomanip> // cout<<setprecision(n)\n\n#include <functional> // std::function<void(int)>\n\n\n\n#define rep(i,n) for(int i = 0; i < n; i++)\n\n#define ENDL \"\\n\"\n\n#define print(i) std::cout << (i) << \"\\n\"\n\n\n\n#define int long long // at least int64 > 9*10^18\n\n#define all(v) v.begin(), v.end()\n\n\n\n#define dump1(v) for(auto i:v) std::cout << i << ' '; std::cout << \"\\n\";\n\n#define dump2(v) for(auto i:v) { for(auto j:i) std::cout << j << ' '; std::cout << \"\\n\"; }\n\nconst int MOD = 1e9+7;\n\n\n\nint modpow(int v,int k){int r(1),t(v);while(k){if(k&1){r*=t;r%=MOD;}t*=t;t%=MOD;k>>=1;} return r;}\n\n\n\nsigned main() {\n\n\tstd::string s;\n\n\tstd::cin >> s;\n\n\tstd::vector<std::vector<int> > dp(s.size()+1,std::vector<int>(4,0));\n\n\tdp[0][3] = 1;\n\n\trep(i,s.size()) {\n\n\t\tif(s[i]=='A') {\n\n\t\t\tdp[i+1][0] = (dp[i][0]+dp[i][3])%MOD;\n\n\t\t\tdp[i+1][1] = dp[i][1];\n\n\t\t\tdp[i+1][2] = dp[i][2];\n\n\t\t\tdp[i+1][3] = dp[i][3];\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif(s[i]=='B') {\n\n\t\t\tdp[i+1][0] = dp[i][0];\n\n\t\t\tdp[i+1][1] = (dp[i][0]+dp[i][1])%MOD;\n\n\t\t\tdp[i+1][2] = dp[i][2];\n\n\t\t\tdp[i+1][3] = dp[i][3];\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif(s[i]=='C') {\n\n\t\t\tdp[i+1][0] = dp[i][0];\n\n\t\t\tdp[i+1][1] = dp[i][1];\n\n\t\t\tdp[i+1][2] = (dp[i][1]+dp[i][2])%MOD;\n\n\t\t\tdp[i+1][3] = dp[i][3];\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif(s[i]=='?') {\n\n\t\t\tdp[i+1][0] = (dp[i][0]*3+dp[i][3])%MOD;\n\n\t\t\tdp[i+1][1] = (dp[i][0]+dp[i][1]*3)%MOD;\n\n\t\t\tdp[i+1][2] = (dp[i][1]+dp[i][2]*3)%MOD;\n\n\t\t\tdp[i+1][3] = (dp[i][3]*3)%MOD;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t}\n\n\tprint(dp[s.size()][2]);\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001844"}709{"label": "pie_cpp_validation_001845", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001845.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001845", "task_path": "tasks/validation/pie_cpp_validation_001845.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\tlong mod = 1000000007;\n\n\tvector<vector<long> > dp(s.size()+1, vector<long>(4, 0));\n\n\n\n\tint n = s.size();\n\n\tfor(int i=n; i >= 0; i--) {\n\n\t\tfor(int j=3; j >= 0; j--) {\n\n\t\t\tif(i == n) {\n\n\t\t\t\tdp.at(i).at(j) = (j == 3) ? 1 : 0;\n\n\t\t\t}else{\n\n\t\t\t\tint m = (s.at(i) == '?') ? 3 : 1;\n\n\t\t\t\tstring str = \"ABC\";\n\n\t\t\t\tdp.at(i).at(j) = m * dp.at(i+1).at(j);\n\n\t\t\t\tif(j < 3 && (m == 3 || s.at(i) == str.at(j)))\n\n\t\t\t\t\tdp.at(i).at(j) += dp.at(i+1).at(j+1);\n\n\t\t\t\tdp.at(i).at(j) %= mod;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout << dp.at(0).at(0) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001845"}710{"label": "pie_cpp_validation_001846", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001846.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001846", "task_path": "tasks/validation/pie_cpp_validation_001846.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int, int>;\n\n\n\nconst ll MOD = 1000000007;\n\nstring s;\n\nll LA[100010], RC[100010];\n\nll LL[100010], RR[100010];\n\n\n\nll mod_pow(ll x, ll n, ll mod) {\n\n ll res = 1;\n\n while (n) {\n\n if (n & 1) res = res * x % mod;\n\n x = x * x % mod;\n\n n >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios_base::sync_with_stdio(false);\n\n cout << fixed << setprecision(10);\n\n \n\n cin >> s; \n\n for (int i = 0; i < s.size(); i++) {\n\n LA[i + 1] = LA[i] + (s[i] == 'A');\n\n LL[i + 1] = LL[i] + (s[i] == '?');\n\n }\n\n for (int i = s.size() - 1; i - 1 >= 0; i--) {\n\n RC[i - 1] = RC[i] + (s[i] == 'C');\n\n RR[i - 1] = RR[i] + (s[i] == '?');\n\n }\n\n ll ans = 0;\n\n for (int i = 0; i < s.size(); i++) {\n\n if (s[i] == 'A' || s[i] == 'C') continue;\n\n ll tmp = 1;\n\n tmp *= mod_pow(3, LL[i] + RR[i], MOD);\n\n tmp %= MOD;\n\n tmp *= (LL[i] * mod_pow(3, MOD - 2, MOD) % MOD + LA[i]) % MOD;\n\n tmp %= MOD;\n\n tmp *= (RR[i] * mod_pow(3, MOD - 2, MOD) % MOD + RC[i]) % MOD;\n\n tmp %= MOD;\n\n ans += tmp;\n\n ans %= MOD;\n\n }\n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001846"}711{"label": "pie_cpp_validation_001847", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001847.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001847", "task_path": "tasks/validation/pie_cpp_validation_001847.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int, int>;\n\n\n\nconst ll MOD = 1000000007;\n\nstring s;\n\nll dp[4][100010];\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios_base::sync_with_stdio(false);\n\n cout << fixed << setprecision(10);\n\n \n\n cin >> s;\n\n dp[0][0] = 1;\n\n for (int i = 0; i < s.size(); i++) {\n\n dp[0][i+1] = dp[0][i] * (s[i] == '?' ? 3 : 1);\n\n dp[0][i+1] %= MOD;\n\n }\n\n for (int i = 0; i < 3; i++) {\n\n for (int j = 0; j < s.size(); j++) {\n\n if (s[j] == '?') {\n\n dp[i+1][j+1] += dp[i+1][j] * 3;\n\n dp[i+1][j+1] %= MOD;\n\n } else {\n\n dp[i+1][j+1] += dp[i+1][j];\n\n dp[i+1][j+1] %= MOD;\n\n }\n\n if (s[j] == '?' || s[j] == \"ABC\"[i]) {\n\n dp[i+1][j+1] += dp[i][j];\n\n dp[i+1][j+1] %= MOD;\n\n }\n\n }\n\n }\n\n cout << dp[3][s.size()] << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001847"}712{"label": "pie_cpp_validation_001848", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001848.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001848", "task_path": "tasks/validation/pie_cpp_validation_001848.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n string S;\n\n cin >> S;\n\n\n\n int N = S.size();\n\n long long MOD = 1e9 + 7;\n\n\n\n long long dp[100010][4] = {};\n\n\n\n for (int i = N; i >= 0; i--) {\n\n for (int j = 3; j >= 0; j--) {\n\n if (i == N) {\n\n dp[i][j] = (j == 3 ? 1 : 0);\n\n } else {\n\n dp[i][j] = dp[i+1][j] * (S[i] == '?' ? 3LL : 1LL);\n\n if (j < 3 && (S[i] == \"ABC\"[j] || S[i] == '?')) {\n\n dp[i][j] += dp[i+1][j+1];\n\n }\n\n dp[i][j] %= MOD;\n\n }\n\n }\n\n }\n\n cout << dp[0][0] << endl;\n\n return(0);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001848"}713{"label": "pie_cpp_validation_001849", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001849.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001849", "task_path": "tasks/validation/pie_cpp_validation_001849.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for(ll i=0;i<n;i++)\n\n#define repl(i,l,r) for(ll i=(l);i<(r);i++)\n\n#define per(i,n) for(ll i=n-1;i>=0;i--)\n\n#define perl(i,r,l) for(ll i=r-1;i>=l;i--)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define ins insert\n\n#define pqueue(x) priority_queue<x,vector<x>,greater<x>>\n\n#define all(x) (x).begin(),(x).end()\n\n#define CST(x) cout<<fixed<<setprecision(x)\n\n#define vtpl(x,y,z) vector<tuple<x,y,z>>\n\n#define rev(x) reverse(x);\n\nusing ll=long long;\n\nusing vl=vector<ll>;\n\nusing vvl=vector<vector<ll>>;\n\nusing pl=pair<ll,ll>;\n\nusing vpl=vector<pl>;\n\nusing vvpl=vector<vpl>;\n\nconst ll MOD=1000000007;\n\nconst ll MOD9=998244353;\n\nconst int inf=1e9+10;\n\nconst ll INF=4e18;\n\nconst ll dy[8]={1,0,-1,0,1,1,-1,-1};\n\nconst ll dx[8]={0,-1,0,1,1,-1,1,-1};\n\ntemplate<class T> inline bool chmin(T& a, T b) {\n\n if (a > b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\ntemplate<class T> inline bool chmax(T& a, T b) {\n\n if (a < b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\n\n\n\n\nconst int mod = 1000000007;\n\nconst int max_n = 200005;\n\nstruct mint {\n\n ll x; // typedef long long ll;\n\n mint(ll x=0):x((x%mod+mod)%mod){}\n\n mint operator-() const { return mint(-x);}\n\n mint& operator+=(const mint a) {\n\n if ((x += a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator-=(const mint a) {\n\n if ((x += mod-a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;}\n\n mint operator+(const mint a) const { return mint(*this) += a;}\n\n mint operator-(const mint a) const { return mint(*this) -= a;}\n\n mint operator*(const mint a) const { return mint(*this) *= a;}\n\n mint pow(ll t) const {\n\n if (!t) return 1;\n\n mint a = pow(t>>1);\n\n a *= a;\n\n if (t&1) a *= *this;\n\n return a;\n\n }\n\n \n\n // for prime mod\n\n mint inv() const { return pow(mod-2);}\n\n mint& operator/=(const mint a) { return *this *= a.inv();}\n\n mint operator/(const mint a) const { return mint(*this) /= a;}\n\n};\n\nistream& operator>>(istream& is, const mint& a) { return is >> a.x;}\n\nostream& operator<<(ostream& os, const mint& a) { return os << a.x;}\n\n\n\nstruct combination {\n\n vector<mint> fact, ifact;\n\n combination(int n):fact(n+1),ifact(n+1) {\n\n assert(n < mod);\n\n fact[0] = 1;\n\n for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i;\n\n ifact[n] = fact[n].inv();\n\n for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i;\n\n }\n\n mint operator()(int n, int k) {\n\n if (k < 0 || k > n) return 0;\n\n return fact[n]*ifact[k]*ifact[n-k];\n\n }\n\n}comb(max_n);\n\n\n\n\n\nint main(){\n\n string s;cin >> s;\n\n ll n=s.size();\n\n vector<pl> lcnt(n,{0,0}),rcnt(n,{0,0});\n\n rep(i,n-1){\n\n lcnt[i+1].fi+=lcnt[i].fi;\n\n lcnt[i+1].se+=lcnt[i].se;\n\n if(s[i]=='A')lcnt[i+1].fi++;\n\n if(s[i]=='?')lcnt[i+1].se++;\n\n }\n\n per(i,n-1){\n\n rcnt[i].fi+=rcnt[i+1].fi;\n\n rcnt[i].se+=rcnt[i+1].se;\n\n if(s[i+1]=='C')rcnt[i].fi++;\n\n if(s[i+1]=='?')rcnt[i].se++; \n\n }\n\n /*rep(i,n){\n\n cout << lcnt[i].fi <<\" \" << lcnt[i].se <<endl;\n\n }\n\n rep(i,n){\n\n cout << rcnt[i].fi <<\" \" << rcnt[i].se <<endl;\n\n }*/\n\n mint ans=0;\n\n rep(i,n){\n\n if(s[i]=='B'||s[i]=='?'){\n\n mint left=lcnt[i].fi;\n\n left*=mint(3).pow(lcnt[i].se);\n\n if(lcnt[i].se){\n\n mint l=lcnt[i].se;\n\n l*=mint(3).pow(lcnt[i].se-1);\n\n left+=l;\n\n }\n\n mint right=rcnt[i].fi;\n\n right*=mint(3).pow(rcnt[i].se);\n\n if(rcnt[i].se){\n\n mint r=rcnt[i].se;\n\n r*=mint(3).pow(rcnt[i].se-1);\n\n right+=r;\n\n }\n\n ans+=right*left;\n\n }\n\n }\n\n cout << ans <<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001849"}714{"label": "pie_cpp_validation_001850", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001850.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001850", "task_path": "tasks/validation/pie_cpp_validation_001850.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define ALL(A) (A).begin(),(A).end()\n\n#define ll long long\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n\n\nconst ll mod = 1e9+7;\n\nconst ll INF = -1*((1LL<<63)+1);\n\nconst int inf = -1*((1<<31)+1);\n\n\n\nusing namespace std;\n\n\n\n\n\nll dp[100005][4];\n\nint main(void){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\tstring S;\n\n\tcin >> S;\n\n\tint N = S.size();\n\n\tfor(int i = N;i>=0;i--){\n\n\t\tfor(int j=3;j>=0;j--){\n\n\t\t\tif(i==N){\n\n\t\t\t\tdp[i][j] = (j==3 ? 1:0);\n\n\t\t\t}else{\n\n\t\t\t\tdp[i][j] = dp[i+1][j] * (S[i]=='?'? 3LL :1LL);\n\n\t\t\t\tif(j<3 && (S[i] == '?' || S[i] == \"ABC\"[j])){\n\n\t\t\t\t\tdp[i][j] += dp[i+1][j+1];\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tdp[i][j] %= mod;\n\n\t\t}\n\n\t}\n\n\tcout << dp[0][0] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001850"}715{"label": "pie_cpp_validation_001851", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001851.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001851", "task_path": "tasks/validation/pie_cpp_validation_001851.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <string.h>\n\n#include <stdlib.h>\n\n#include <math.h>\n\n//#include <algorithm>\n\n#include <vector>\n\n\n\nconst long MOD = 1000000007;\n\n\n\nlong long kaijo(long a, long b)\n\n{\n\n if(b==0) {\n\n return 1;\n\n }\n\n else if(b%2==0) {\n\n long long tmp = kaijo(a, b/2) % MOD;\n\n return (tmp * tmp) % MOD; \n\n }\n\n else {\n\n return (kaijo(a, b-1) * a) % MOD;\n\n }\n\n}\n\n\n\nlong long st_calc( long a, long b )\n\n{\n\n long long tmp = 0;\n\n\n\n tmp += a * kaijo(3, b) % MOD;\n\n if(b>0) {\n\n tmp += kaijo(3, b-1) * b;\n\n }\n\n\n\n return (tmp % MOD);\n\n}\n\n\n\nint main(int argc, char* argv[])\n\n{\n\n char str[100001]={0};\n\n scanf(\"%s\", str);\n\n long len = strlen(str);\n\n\n\n std::vector<long> num_a(len+1);\n\n std::vector<long> num_c(len+1);\n\n std::vector<long> num_u(len+1);\n\n\n\n long i;\n\n for(i=0; i<len; i++) {\n\n if(str[i]=='A')\n\n num_a[i] ++;\n\n else if(str[i]=='C')\n\n num_c[i] ++;\n\n else if(str[i]=='?')\n\n num_u[i] ++;\n\n }\n\n\n\n for(i=1; i<len; i++) {\n\n num_a[i] += num_a[i-1];\n\n num_c[i] += num_c[i-1];\n\n num_u[i] += num_u[i-1];\n\n }\n\n\n\n long long sum = 0;\n\n for(i=1; i<len-1; i++) {\n\n if(str[i]=='B' || str[i]=='?') {\n\n sum += (long long)st_calc(num_a[i-1], num_u[i-1]) * st_calc(num_c[len-1] - num_c[i], num_u[len-1] - num_u[i]);\n\n sum %= MOD;\n\n }\n\n }\n\n\n\n printf(\"%lld\\n\", sum);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001851"}716{"label": "pie_cpp_validation_001852", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001852.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001852", "task_path": "tasks/validation/pie_cpp_validation_001852.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\n#define DIV 1000000007\n\n\n\nchar S[100008];\n\nint Snum=0;\n\n\n\nlong long dp[100008][4];\n\n\n\nint main()\n\n{\n\n scanf(\"%s\", S);\n\n for (Snum = 0; S[Snum]!='\\0'; Snum++);\n\n \n\n dp[Snum][3]=1;\n\n dp[Snum][2]=0;\n\n dp[Snum][1]=0;\n\n dp[Snum][0]=0;\n\n \n\n for(int i=Snum-1;i>=0;i--){\n\n bool isq=S[i]=='?'?true:false;\n\n dp[i][3]=(isq?3:1)*dp[i+1][3]%DIV;\n\n //printf(\"%d\",dp[i][3]);\n\n for(int j=2;j>=0;j--){\n\n dp[i][j]=((isq?3:1)*dp[i+1][j]\n\n +((isq||S[i]-'A'==j)?1:0)*dp[i+1][j+1])%DIV;\n\n //printf(\",%d\",dp[i][j]);\n\n }\n\n //printf(\"\\n\");\n\n }\n\n printf(\"%lld\\n\",dp[0][0]);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001852"}717{"label": "pie_cpp_validation_001853", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001853.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001853", "task_path": "tasks/validation/pie_cpp_validation_001853.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define INF (1<<30)\n\n#define MOD 1000000007\n\n#define l_ength size\n\nusing ll = long long;\n\nusing namespace std;\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\tint sz = s.l_ength();\n\n\tll dpa[sz+1], dpb[sz+1], dpc[sz+1];\n\n\tdpa[0] = 0;\n\n\tdpb[0] = 0;\n\n\tdpc[0] = 0;\n\n\tll qg = 1;\n\n\tfor( int i = 0; i < sz; ++i ){\n\n\t\tif( s[i] == '?' ){\n\n\t\t\tdpa[i+1] = ( dpa[i] * 3 + qg )%MOD;\n\n\t\t\tdpb[i+1] = ( dpb[i] * 3 + dpa[i] )%MOD;\n\n\t\t\tdpc[i+1] = ( dpc[i] * 3 + dpb[i] )%MOD;\n\n\t\t\tqg *= 3;\n\n\t\t\tqg %= MOD;\n\n\t\t} else if( s[i] == 'A' ){\n\n\t\t\tdpa[i+1] = (dpa[i] + qg)%MOD;\n\n\t\t\tdpb[i+1] = dpb[i];\n\n\t\t\tdpc[i+1] = dpc[i];\n\n\t\t} else if( s[i] == 'B' ){\n\n\t\t\tdpa[i+1] = dpa[i];\n\n\t\t\tdpb[i+1] = (dpb[i] + dpa[i])%MOD;\n\n\t\t\tdpc[i+1] = dpc[i];\n\n\t\t} else if( s[i] == 'C' ){\n\n\t\t\tdpa[i+1] = dpa[i];\n\n\t\t\tdpb[i+1] = dpb[i];\n\n\t\t\tdpc[i+1] = (dpc[i] + dpb[i])%MOD;\n\n\t\t}\n\n\t}\n\n\t/*\n\n\tfor( int i = 0; i <= sz; ++i ){\n\n\t\tcout << dpa[i] << \" \" << dpb[i] << \" \" << dpc[i] << endl;\n\n\t}\n\n\t*/\n\n\tcout << dpc[sz] << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001853"}718{"label": "pie_cpp_validation_001854", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 43, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 43, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001854.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001854", "task_path": "tasks/validation/pie_cpp_validation_001854.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<ll, ll> P;\n\ntypedef pair<ll, pair<ll, ll> > P3;\n\n\n\nconst ll MOD = ll(1e9 + 7);\n\nconst ll LLINF = LLONG_MAX;\n\nconst int IINF = INT_MAX;\n\nconst int MAX_N = int(1e5) + 5;\n\nconst double EPS = 1e-8;\n\nint dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1};\n\n#define SORT(v) sort((v).begin(), (v).end())\n\n#define SORTR(v) sort((v).rbegin(), (v).rend())\n\n#define REP(i, n) for (int i = 0; i < n; i++)\n\n#define REPR(i, n) for (int i = n; i >= 0; i--)\n\n#define FOR(i, m, n) for (int i = m; i < n; i++)\n\n\n\nll factrial[MAX_N], inverse[MAX_N]; //\u968e\u4e57\u3068\u9006\u5143\u3092\u4fdd\u6301\n\n\n\nll power(ll x, ll n) { //\u7e70\u308a\u8fd4\u3057\u4e8c\u4e57\u6cd5\n\n ll ans = 1;\n\n while (n > 0) {\n\n if ((n & 1) == 1) {\n\n ans = ans * x % MOD;\n\n }\n\n x = x * x % MOD;\n\n n >>= 1;\n\n }\n\n return ans;\n\n}\n\n\n\nvoid init(ll n) {\n\n factrial[0] = 1;\n\n inverse[0] = 1;\n\n for (ll i = 1; i <= n; i++) {\n\n factrial[i] = (factrial[i - 1] * i) % MOD; //\u968e\u4e57\u3092\u6c42\u3081\u308b\n\n inverse[i] = power(factrial[i], MOD - 2) % MOD; //\u30aa\u30a4\u30e9\u30fc\u306e\u5b9a\u7406\u3067\u9006\u5143\u3092\u6c42\u3081\u308b\n\n }\n\n}\n\n\n\nll nCk(ll n, ll k) {\n\n return factrial[n] * inverse[k] % MOD * inverse[n - k] % MOD;\n\n}\n\n\n\n\n\nll N,a[MAX_N]{},b[MAX_N]{},c[MAX_N]{},ab[MAX_N]{},bc[MAX_N]{},q[MAX_N];\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n N = s.size();\n\n REP(i,N){\n\n if(s[i]=='A')a[i+1]++;\n\n a[i+1] += a[i];\n\n if(s[i]=='B')b[i+1]++;\n\n b[i+1] += b[i];\n\n if(s[i]=='C')c[i+1]++;\n\n c[i+1] += c[i];\n\n if(s[i]=='?')q[i+1]++;\n\n q[i+1] += q[i];\n\n }\n\n /*\n\n REP(i,N){\n\n if(s[i]=='B')ab[i+1]+=a[i];\n\n ab[i+1] += ab[i];\n\n ab[i+1] %= MOD;\n\n if(s[i]=='C')bc[i+1]+=b[i];\n\n bc[i+1] += bc[i];\n\n bc[i+1] %= MOD;\n\n }\n\n */\n\n init(q[N]);\n\n ll ans = 0;\n\n REP(i,N){\n\n if(s[i]=='B'){\n\n if(i<N-1 && i>0){\n\n ans += (a[i])*(c[N]-c[i+1])%MOD*power(3,q[N])%MOD;\n\n ans %= MOD;\n\n ans += (q[i])*(c[N]-c[i+1])%MOD*power(3,q[N]-1)%MOD;\n\n ans %= MOD;\n\n ans += (a[i])*(q[N]-q[i+1])%MOD*power(3,q[N]-1)%MOD;\n\n ans %= MOD;\n\n ans += (q[i])*(q[N]-q[i+1])%MOD*power(3,q[N]-2)%MOD;\n\n ans %= MOD;\n\n }\n\n }\n\n if(s[i]=='?'){\n\n if(i<N-1 && i>0){\n\n ans += (a[i])*(c[N]-c[i+1])%MOD*power(3,q[N]-1)%MOD;\n\n ans %= MOD;\n\n ans += (q[i])*(c[N]-c[i+1])%MOD*power(3,q[N]-2)%MOD;\n\n ans %= MOD;\n\n ans += (a[i])*(q[N]-q[i+1])%MOD*power(3,q[N]-2)%MOD;\n\n ans %= MOD;\n\n ans += (q[i])*(q[N]-q[i+1])%MOD*power(3,q[N]-3)%MOD;\n\n ans %= MOD;\n\n }\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001854"}719{"label": "pie_cpp_validation_001855", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001855.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001855", "task_path": "tasks/validation/pie_cpp_validation_001855.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst ll MOD = ll(1e9 + 7);\n\nconst int MAX_N = int(1e5) + 5;\n\n#define REP(i, n) for (int i = 0; i < n; i++)\n\n#define FOR(i, m, n) for (int i = m; i < n; i++)\n\n\n\nll power(ll x, ll n) {\n\n ll res = 1;\n\n while (n > 0) {\n\n if ((n & 1) == 1) {\n\n res = res * x % MOD;\n\n }\n\n x = x * x % MOD;\n\n n >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nll N, Q, a[MAX_N]{}, c[MAX_N]{}, q[MAX_N];\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n N = s.size();\n\n REP(i, N) {\n\n if (s[i] == 'A') a[i + 1]++;\n\n a[i + 1] += a[i];\n\n if (s[N - i - 1] == 'C') c[i + 1]++;\n\n c[i + 1] += c[i];\n\n if (s[i] == '?') q[i + 1]++;\n\n q[i + 1] += q[i];\n\n }\n\n ll ans = 0;\n\n Q = q[N];\n\n FOR(i, 1, N-1) {\n\n if (s[i] == 'B' || s[i] == '?') {\n\n ll X = Q - (s[i]=='?'?1:0);\n\n ans += (a[i])*(c[N-i])%MOD*power(3,X)%MOD;\n\n ans += (q[i])*(c[N-i])%MOD*power(3,X-1)%MOD;\n\n ans += (a[i])*(q[N]-q[i+1])%MOD*power(3,X-1)%MOD;\n\n ans += (q[i])*(q[N]-q[i+1])%MOD*power(3,X-2)%MOD;\n\n ans %= MOD;\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001855"}720{"label": "pie_cpp_validation_001856", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001856.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001856", "task_path": "tasks/validation/pie_cpp_validation_001856.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\nusing ll =long long;\n\n#define SORT(a) sort((a).begin(),(a).end())\n\n#define rSORT(a) reverse((a).begin(),(a).end())\n\n#define For(i, a, b) for(int i = (a) ; i < (b) ; ++i)\n\n#define rep(i, n) For(i, 0, n)\n\n#define debug(x) cerr << #x << \" = \" << (x) << endl;\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\nvoid coY() {cout <<\"Yes\"<<endl;}\n\nvoid coN(){cout <<\"No\"<<endl;}\n\nconst ll INF = 1LL << 60;\n\nconst int mod = 1e9+7;\n\n//Write From this Line\n\n\n\nll dp[100100][4] ;\n\nint main()\n\n{\n\n\tstring s;\n\n\tcin >> s;\n\n\tll n = s.size() ;\n\n\trep(i,100100){\n\n\t\trep(j,4){\n\n\t\t\tdp[i][j] = 0;\n\n\t\t}\n\n\t}\n\n\tdp[0][0] = 1 ;\n\n\trep(i,n){\n\n\t\tll num = s[i] - 'A'+1;\n\n\t\t//\u72b6\u614bnum\u3092\u66f4\u65b0\u3059\u308b\u3002\n\n\t\trep(j,4) dp[i+1][j] = dp[i][j];\n\n\n\n\t\tif(s[i]=='?'){\n\n\t\t\trep(j,4){\n\n\t\t\t\tdp[i+1][j] *= 3;\n\n\t\t\t\tdp[i+1][j] %= mod;\n\n\t\t\t}\n\n\t\t\tfor(ll j = 1 ; j <= 3 ; j++){\n\n\t\t\t\t dp[i+1][j] += (dp[i][j-1]);\n\n\t\t\t\t dp[i+1][j] %= mod;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tdp[i+1][num] += dp[i][num-1] ;\n\n\t\t\tdp[i+1][num]%= mod;\n\n\t\t}\n\n\t} \n\n\tcout << dp[n][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001856"}721{"label": "pie_cpp_validation_001857", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001857.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001857", "task_path": "tasks/validation/pie_cpp_validation_001857.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<algorithm>\n\n#define P 1000000007\n\n#define MAX 100005\n\nusing namespace std;\n\n \n\nint main(){\n\n string s;\n\n long long a[MAX], c[MAX], q[MAX];\n\n a[0] = 0; c[0] = 0; q[0] = 0;\n\n long long ans0 = 0, ans1 = 0, ans2 = 0, ans3 = 0, ans = 0;\n\n long long power = 1;\n\n cin >> s;\n\n \n\n for(int i = 0; i < s.size(); ++i){\n\n a[i+1] = a[i] + ((s[i] == 'A') ? 1 : 0);\n\n c[i+1] = c[i] + ((s[i] == 'C') ? 1 : 0);\n\n q[i+1] = q[i] + ((s[i] == '?') ? 1 : 0);\n\n }\n\n \n\n for(int i = 0; i < s.size(); ++i){\n\n if(s[i] == 'B'){\n\n ans0 += a[i] * (c[s.size()] - c[i+1]);\n\n ans1 += q[i] * (c[s.size()] - c[i+1]) + a[i] * (q[s.size()] - q[i+1]);\n\n ans2 += q[i] * (q[s.size()] - q[i+1]);\n\n }\n\n if(s[i] == '?'){\n\n ans1 += a[i] * (c[s.size()] - c[i+1]);\n\n ans2 += q[i] * (c[s.size()] - c[i+1]) + a[i] * (q[s.size()] - q[i+1]);\n\n ans3 += q[i] * (q[s.size()] - q[i+1]);\n\n }\n\n }\n\n ans0 %= P; ans1 %= P; ans2 %= P; ans3 %= P;\n\n \n\n if(q[s.size()] >= 3){\n\n for(int i = 0; i < q[s.size()]-3; ++i)\n\n power = power * 3 % P;\n\n ans = (ans0 * 27 + ans1 * 9 + ans2 * 3 + ans3)%P*power%P;\n\n }else if(q[s.size()] == 2){\n\n ans = (ans0 * 9 + ans1 * 3 + ans2) % P;\n\n }else if(q[s.size()] == 1){\n\n ans = (ans0 * 3 + ans1) % P;\n\n }else if(q[s.size()] == 0){\n\n ans = ans0;\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001857"}722{"label": "pie_cpp_validation_001858", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001858.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001858", "task_path": "tasks/validation/pie_cpp_validation_001858.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define MOD 1000000007\n\nusing namespace std;\n\n \n\nint main(){\n\n string s;\n\n long long sum[4] = {1, 0, 0, 0};\n\n cin >> s;\n\n for(int i = 0; i < s.size(); i++){\n\n if(s[i] == '?') for(int j = 3; j >= 0; j--)\n\n sum[j] = (sum[j]*3 + (j ? sum[j-1] : 0)) % MOD;\n\n else sum[s[i]-'A'+1] = (sum[s[i]-'A'+1] + sum[s[i]-'A']) % MOD;\n\n }\n\n printf(\"%lld\\n\", sum[3]);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001858"}723{"label": "pie_cpp_validation_001859", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001859.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001859", "task_path": "tasks/validation/pie_cpp_validation_001859.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\nlong long a[4] = {1};\n\nchar c;\n\nint main(){\n\n\twhile(EOF != scanf(\"%c\", &c)) for(int j = 3; j >= 0; j--)\n\n\t\ta[j] = (a[j]*(c-'?'?1:3) + (j&&!(c-'?'&&c-'A'-j+1)?a[j-1]:0))%1000000007;\n\n\tprintf(\"%lld\\n\", a[3]);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001859"}724{"label": "pie_cpp_validation_001860", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001860.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001860", "task_path": "tasks/validation/pie_cpp_validation_001860.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define uniq(x) (x).erase(unique(ALL(x)),(x).end())\n\n#define SORT(x) sort(ALL(x))\n\n#define REV(x) reverse(ALL(x))\n\n#define foreach(it,x) for(__typeof((x).begin()) it=(x).begin();it!=(x).end();it++)\n\n#define debug(x) cerr<<#x<<\"=\"<<(x)<<endl\n\n#define gett() cerr<<\"Time:\"<<clock()<<\"ms.\"<<endl\n\nlong long MOD=1000000007;\n\nstring s;\n\nstring abc=\"ABC\";\n\nlong long dp[100100][4];\n\nint main(){\n\n\t//freopen(\"input.txt\",\"r\",stdin);\n\n\t//freopen(\"output.txt\",\"w\",stdout);\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(NULL);\n\n\tcout.tie(NULL);\n\n\tcin>>s;\n\n\tlong long type=1LL;\n\n\tfor(int i=s.size();i>=0;i--){\n\n\t\tfor(int j=3;j>=0;j--){\n\n\t\t\tif(i==s.size()){\n\n\t\t\t\tdp[i][j]=(j==3?1LL:0LL);\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tdp[i][j]+=dp[i+1][j]*(s[i]=='?'?3LL:1LL);\n\n\t\t\t\tif(j<3&&(s[i]==abc[j]||s[i]=='?'))\n\n\t\t\t\t\tdp[i][j]+=dp[i+1][j+1];\n\n\t\t\t\tdp[i][j]%=MOD;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout<<dp[0][0]<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001860"}725{"label": "pie_cpp_validation_001861", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001861.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001861", "task_path": "tasks/validation/pie_cpp_validation_001861.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\n/*#include <boost/multiprecision/cpp_dec_float.hpp>\n\n#include <boost/multiprecision/cpp_int.hpp>\n\n#include <boost/rational.hpp>\n\nnamespace mp = boost::multiprecision;\n\nusing Bint = mp::cpp_int; //\u4efb\u610f\u9577\u6574\u6570 \n\nusing Real32 = mp::number<mp::cpp_dec_float<32>>;\n\nusing Real1024 = mp::number<mp::cpp_dec_float<1024>>;\n\nusing Rat = boost::rational<Bint>;//\u6709\u7406\u6570*/\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define all(v) (v).begin(),(v).end()\n\n#define siz(v) (ll)(v).size()\n\nll mod = 1000000007;\n\nll INF = 1000000099;\n\n//cin.tie(0);\n\n//ios::sync_with_stdio(false);\n\n\n\nlong long modpow(long long a, long long n, long long mod) {//a^n(mod)\u3092\u6c42\u3081\u308b\n\n long long res = 1;\n\n while (n > 0) {\n\n if (n & 1) res = res * a % mod;\n\n a = a * a % mod;//\u6b21\u306e\u6e96\u5099\n\n n >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nsigned main(){\n\n string s;\n\n ll ans=0;\n\n cin>>s;\n\n vector<int> a(siz(s)+1,0),c,q;\n\n c=a;q=a;\n\n\n\n for(int i=1;i <= siz(s);i++)\n\n {\n\n a.at(i)=a.at(i-1);\n\n if(s.at(i-1)=='A')a.at(i)++;\n\n c.at(i)=c.at(i-1);\n\n if(s.at(i-1)=='C')c.at(i)++;\n\n q.at(i)=q.at(i-1);\n\n if(s.at(i-1)=='?')q.at(i)++;\n\n }\n\n\n\n for(int i=0;i < siz(s);i++)\n\n {\n\n if(s.at(i)=='B' || s.at(i)=='?'){\n\n ll ql=modpow(3,q.at(i),mod);\n\n ll ql2=modpow(3,q.at(i)-1,mod);\n\n ll qr=modpow(3,q.at(siz(s))-q.at(i+1),mod);\n\n ll qr2=modpow(3,q.at(siz(s))-q.at(i+1)-1,mod);\n\n ans+=((a.at(i)*ql + q.at(i)*ql2)%mod)*(((c.at(siz(s))-c.at(i+1))*qr + (q.at(siz(s))-q.at(i+1))*qr2)%mod);\n\n ans%=mod;\n\n //cout << ans << endl;\n\n }\n\n }\n\n cout << ans << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001861"}726{"label": "pie_cpp_validation_001862", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001862.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001862", "task_path": "tasks/validation/pie_cpp_validation_001862.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long double ld;\n\n#define rep(i, n) for (ll i = 0; i < n; i++)\n\n#define FOR(i, a, b) for (ll i = a; i < b; i++)\n\n#define len(v) ll(v.size())\n\n#define fi first\n\n#define se second\n\n\n\ntemplate <class T>\n\nvoid cout_vec(const vector<T> &vec){\n\n for(auto itr:vec) cout<<itr<<' ';\n\n cout<<endl;\n\n}\n\n\n\ntypedef pair<ll,ll> P;\n\nconst ll mod=1e9+7;\n\nconst ll inf=1e15;\n\n\n\nint main(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string s;\n\n cin>>s;\n\n int n=s.size();\n\n vector<vector<ll>> dp(n+1,vector<ll>(4,0));\n\n dp[0][0]=1;\n\n rep(i,n)rep(j,4){\n\n if(j==3){\n\n if(s[i]=='?'){\n\n (dp[i+1][j]+=(3*dp[i][j])%mod)%=mod;\n\n }else{\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }\n\n }else if(j==2){\n\n if(s[i]=='?'){\n\n (dp[i+1][j+1]+=dp[i][j])%=mod;\n\n (dp[i+1][j]+=(3*dp[i][j])%mod)%=mod;\n\n }else if(s[i]=='C'){\n\n (dp[i+1][j+1]+=dp[i][j])%=mod;\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }else{\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }\n\n }else if(j==1){\n\n if(s[i]=='?'){\n\n (dp[i+1][j+1]+=dp[i][j])%=mod;\n\n (dp[i+1][j]+=(3*dp[i][j])%mod)%=mod;\n\n }else if(s[i]=='B'){\n\n (dp[i+1][j+1]+=dp[i][j])%=mod;\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }else{\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }\n\n }else{\n\n if(s[i]=='?'){\n\n (dp[i+1][j+1]+=dp[i][j])%=mod;\n\n (dp[i+1][j]+=(3*dp[i][j])%mod)%=mod;\n\n }else if(s[i]=='A'){\n\n (dp[i+1][j+1]+=dp[i][j])%=mod;\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }else{\n\n (dp[i+1][j]+=dp[i][j])%=mod;\n\n }\n\n }\n\n }\n\n cout<<dp[n][3]<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001862"}727{"label": "pie_cpp_validation_001863", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001863.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001863", "task_path": "tasks/validation/pie_cpp_validation_001863.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <string.h>\n\n#include <iomanip>\n\n#include <math.h>\n\n#include <string>\n\n#include <queue>\n\n#include <map>\n\n#include <set>\n\n#include <functional>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long int ll;\n\ntypedef std::pair<int, int> pii;\n\ntypedef std::pair<ll, int> pli;\n\ntypedef std::pair<ll, ll> pll;\n\n\n\n#define FOR(i,n,m) for(ll i=(ll)(m);i<(ll)(n);++i)\n\n#define REP(i,n) FOR(i,n,0)\n\n#define IREP(i,n) for(ll i=(ll)(n);i>=0;--i)\n\n#define OF64 std::setprecision(10)\n\n\n\nconst ll MOD = 1000000007;\n\nconst ll INF = (ll)1e15;\n\n\n\n//! i\u756a\u76ee\u307e\u3067\u306b\u5b58\u5728\u3059\u308b?\u306e\u6570\n\nint Q[100005];\n\nint A[100005];\n\nint C[100005];\n\n\n\nlong long int modPow(int a, long long int p)\n\n{\n\n\t//! a^p\u3092bit\u304b\u3089p =2^0+2^1+2^2...=q_0+q_2+...\u3068\u5206\u89e3\u3057\u3001\n\n\t//! a^(q_0+q_1+...)=(a^q_0 )*(a^q_1)*(a^q_3)...\u304b\u3089O(logN)\u3067\u8a08\u7b97\u3059\u308b\n\n\tlong long int n = 1, mul = a;\n\n\tfor (; p > 0; p >>= 1, mul = (mul* mul) % MOD)\n\n\t{\n\n\t\tif ((p & 1) == 1)n = (n*mul) % MOD;\n\n\t}\n\n\treturn n;\n\n}\n\n\n\nint main()\n\n{\n\n\tstring S;\n\n\tcin >> S;\n\n\n\n\tREP(i, S.length())\n\n\t{\n\n\t\tswitch (S[i])\n\n\t\t{\n\n\t\tcase 'A':\n\n\t\t\tA[i]++;\n\n\t\t\tbreak;\n\n\t\tcase 'C':\n\n\t\t\tC[i]++;\n\n\t\t\tbreak;\n\n\t\tcase '?':\n\n\t\t\tQ[i]++;\n\n\t\t\tbreak;\n\n\t\tdefault:\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tFOR(i, S.length(), 1)\n\n\t{\n\n\t\tA[i] += A[i - 1];\n\n\t\tC[i] += C[i - 1];\n\n\t\tQ[i] += Q[i - 1];\n\n\t}\n\n\n\n\tll sum = 0;\n\n\tFOR(i, S.length() - 1, 1)\n\n\t{\n\n\t\tif (S[i] != 'B'&&S[i] != '?')continue;\n\n\t\t//! i\u306e\u5de6\u5074\u306ea\u306e\u6570\n\n\t\tll a = A[i - 1];\n\n\t\t//! i\u306e\u53f3\u5074\u306ec\u306e\u6570\n\n\t\tll c = C[S.length() - 1] - C[i];\n\n\t\t//! i\u306e\u5de6\u5074\u306eQ\u306e\u6570\n\n\t\tll lq = Q[i - 1];\n\n\t\t//! i\u306e\u53f3\u5074\u306eQ\u306e\u6570\n\n\t\tll rq = Q[S.length() - 1] - Q[i];\n\n\n\n\t\tll left = (modPow(3, lq - 1)*lq + modPow(3, lq)*a) % MOD;\n\n\t\tll right = (modPow(3, rq - 1)*rq + modPow(3, rq)*c) % MOD;\n\n\t\tsum += (left*right) % MOD;\n\n\n\n\t\t//sum += (((a*lq) % MOD)*((c*rq) % MOD)) % MOD;\n\n\t\tsum %= MOD;\n\n\t}\n\n\tcout << sum << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001863"}728{"label": "pie_cpp_validation_001864", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001864.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001864", "task_path": "tasks/validation/pie_cpp_validation_001864.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n\n\n#define MAXN 1000000\n\n#define MOD 1000000007\n\nchar str[MAXN+5];\n\nlong long Pow[MAXN+5];\n\nlong long A[MAXN+5],C[MAXN+5],M[MAXN+5],N[MAXN+5];\n\n\n\nint main(){\n\n Pow[0]=1;\n\n for(int i=1;i<=MAXN;i++)//\u521d\u59cb\u53163\u7684\u5e42\n\n Pow[i]=Pow[i-1]*3%MOD;\n\n scanf(\"%s\",str+1);\n\n int len=strlen(str+1);\n\n for(int i=1;i<=len;i++){\n\n A[i]=A[i-1]+(str[i]=='A');\n\n M[i]=M[i-1]+(str[i]=='?');\n\n }\n\n for(int i=len;i>=1;i--){\n\n C[i]=C[i+1]+(str[i]=='C');\n\n N[i]=N[i+1]+(str[i]=='?');\n\n }//\u8ba1\u7b97\u524d\u540e\u7f00\u548c\n\n long long Ans=0;\n\n for(int i=1;i<=len;i++){\n\n if(str[i]=='B'||str[i]=='?'){//\u95ee\u53f7\u5f53\u6210B\n\n Ans=(Ans+\n\n A[i]*C[i]*Pow[M[i-1]%MOD+N[i+1]]%MOD+\n\n A[i]*N[i+1]%MOD*Pow[M[i-1]+N[i+1]-1]%MOD+\n\n C[i]*M[i-1]%MOD*Pow[M[i-1]+N[i+1]-1]%MOD+\n\n Pow[M[i-1]+N[i+1]-2]*M[i-1]%MOD*N[i+1])%MOD;\n\n //\u51e0\u79cd\u60c5\u51b5\n\n }\n\n }\n\n printf(\"%lld\",Ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001864"}729{"label": "pie_cpp_validation_001865", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001865.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001865", "task_path": "tasks/validation/pie_cpp_validation_001865.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <stdlib.h>\n\n#include <string.h>\n\n\n\n#define MAX_LEN (100000)\n\n#define NUM_MOD (1000000007L)\n\n\n\nint main(int argc, char *argv[]) {\n\n // read inputs\n\n char s[MAX_LEN + 1];\n\n scanf(\"%s\", s);\n\n const long n = strlen(s);\n\n\n\n // calculate powers of 3\n\n long pow3[MAX_LEN + 1] = {};\n\n pow3[0] = 1;\n\n for (int i = 1; i <= n; i++) {\n\n pow3[i] = (pow3[i - 1] * 3) % NUM_MOD;\n\n }\n\n\n\n // count total number of ?s\n\n long num_q = 0;\n\n for (int i = 0; i < n; i++) {\n\n if (s[i] == '?') {\n\n num_q++;\n\n }\n\n }\n\n\n\n // solve\n\n long cnt_a = 0, cnt_q = 0, cnt_ab = 0, cnt_aq = 0, cnt_qb = 0, cnt_qq = 0;\n\n long ans = 0;\n\n for (int i = 0; i < n; i++) {\n\n switch (s[i]) {\n\n case 'A':\n\n cnt_a++;\n\n break;\n\n case 'B':\n\n cnt_ab += cnt_a;\n\n cnt_qb += cnt_q;\n\n break;\n\n case 'C':\n\n ans = (ans + cnt_ab * pow3[num_q] +\n\n cnt_aq * (num_q >= 1 ? pow3[num_q - 1] : 0) +\n\n cnt_qb * (num_q >= 1 ? pow3[num_q - 1] : 0) +\n\n cnt_qq * (num_q >= 2 ? pow3[num_q - 2] : 0)) %\n\n NUM_MOD;\n\n break;\n\n case '?':\n\n ans = (ans + (cnt_ab * (num_q >= 1 ? pow3[num_q - 1] : 0)) % NUM_MOD +\n\n (cnt_aq * (num_q >= 2 ? pow3[num_q - 2] : 0)) % NUM_MOD +\n\n (cnt_qb * (num_q >= 2 ? pow3[num_q - 2] : 0)) % NUM_MOD +\n\n (cnt_qq * (num_q >= 3 ? pow3[num_q - 3] : 0)) % NUM_MOD) %\n\n NUM_MOD;\n\n cnt_qq += cnt_q;\n\n cnt_aq += cnt_a;\n\n cnt_q++;\n\n break;\n\n default:\n\n printf(\"something is wrong...\\n\");\n\n exit(0);\n\n break;\n\n }\n\n }\n\n printf(\"%ld\\n\", ans);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001865"}730{"label": "pie_cpp_validation_001866", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001866.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001866", "task_path": "tasks/validation/pie_cpp_validation_001866.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <stdlib.h>\n\n#include <string.h>\n\n\n\n#define MAX_LEN (100000)\n\n#define NUM_MOD (1000000007L)\n\n\n\nint main() {\n\n // read inputs\n\n int N;\n\n char cs[MAX_LEN + 1];\n\n scanf(\"%s\", cs);\n\n N = strlen(cs);\n\n\n\n // solve\n\n long dpss[MAX_LEN + 1][4] = {};\n\n for (int i = 0; i <= N; i++) {\n\n dpss[i][0] = 1;\n\n }\n\n for (int i = 0; i < N; i++) {\n\n for (int j = 0; j < 4; j++) {\n\n dpss[i + 1][j] = dpss[i][j];\n\n }\n\n switch (cs[i]) {\n\n case 'A':\n\n dpss[i + 1][1] = (dpss[i][1] + dpss[i][0]) % NUM_MOD;\n\n break;\n\n case 'B':\n\n dpss[i + 1][2] = (dpss[i][2] + dpss[i][1]) % NUM_MOD;\n\n break;\n\n case 'C':\n\n dpss[i + 1][3] = (dpss[i][3] + dpss[i][2]) % NUM_MOD;\n\n break;\n\n case '?':\n\n for (int j = 0; j < 4; j++) {\n\n dpss[i + 1][j] =\n\n (3 * dpss[i][j] + (j > 0 ? dpss[i][j - 1] : 0)) % NUM_MOD;\n\n }\n\n break;\n\n }\n\n // printf(\"i = %d, c = %c\\n\", i, cs[i]);\n\n // for (int j = 0; j < 4; j++) {\n\n // printf(\"%ld \", dpss[i + 1][j]);\n\n // }\n\n // printf(\"\\n\");\n\n }\n\n printf(\"%ld\\n\", dpss[N][3]);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001866"}731{"label": "pie_cpp_validation_001867", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 42, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 42, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001867.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001867", "task_path": "tasks/validation/pie_cpp_validation_001867.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\n#ifdef DEBUG_MODE\n\n#define DBG(n) n;\n\n#else\n\n#define DBG(n) ;\n\n#endif\n\n#define REP(i,n) for(ll (i) = (0);(i) < (n);++i)\n\n#define PB push_back\n\n#define MP make_pair\n\n#define FI first\n\n#define SE second\n\n#define SHOW1d(v,n) {for(int W = 0;W < (n);W++)cerr << v[W] << ' ';cerr << endl << endl;}\n\n#define SHOW2d(v,i,j) {for(int aaa = 0;aaa < i;aaa++){for(int bbb = 0;bbb < j;bbb++)cerr << v[aaa][bbb] << ' ';cerr << endl;}cerr << endl;}\n\n#define ALL(v) v.begin(),v.end()\n\n#define Decimal fixed<<setprecision(20)\n\n#define INF 1000000000\n\n#define MOD 1000000007\n\n\n\ntypedef long long ll;\n\n\n\nlong long mod_div(long long a, long long b) {\n\n\tif (a % b == 0)return a / b;\n\n\tlong long tmp = MOD - 2, c = b, ret = 1;\n\n\twhile (tmp > 0) {\n\n\t\tif (tmp & 1) {\n\n\t\t\tret *= c; ret %= MOD;\n\n\t\t}\n\n\t\tc *= c; c %= MOD; tmp >>= 1;\n\n\t}\n\n\treturn a*ret%MOD;\n\n}\n\n\n\n\n\nll dp[4][111111];\n\n\n\nint main() {\n\n\n\n\tstring str; cin >> str;\n\n\n\n\tll tmp = 1;\n\n\tll cou = 0;\n\n\tREP(i, str.size()) {\n\n\t\tif (str[i] == '?')cou++;\n\n\t}\n\n\tREP(i, cou) {\n\n\t\ttmp *= 3;\n\n\t\ttmp %= MOD;\n\n\t}\n\n\n\n\tdp[0][0] = tmp;\n\n\tREP(j, 4) {\n\n\t\tREP(i, str.size()) {\n\n\t\t\tif (dp[j][i]) {\n\n\t\t\t\tif (j < 3) {\n\n\t\t\t\t\tif (str[i] == 'A' + j) {\n\n\t\t\t\t\t\tdp[j + 1][i + 1] += dp[j][i];\n\n\t\t\t\t\t\tdp[j + 1][i + 1] %= MOD;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse if (str[i] == '?') {\n\n\t\t\t\t\t\tdp[j + 1][i + 1] += mod_div(dp[j][i], 3);\n\n\t\t\t\t\t\tdp[j + 1][i + 1] %= MOD;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tdp[j][i + 1] += dp[j][i];\n\n\t\t\t\tdp[j][i + 1] %= MOD;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\n\tcout << dp[3][str.size()] << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001867"}732{"label": "pie_cpp_validation_001868", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001868.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001868", "task_path": "tasks/validation/pie_cpp_validation_001868.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <iomanip>\n\n#include <stdio.h>\n\n#include <cstring>\n\n#include <string>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <queue>\n\n#include <set>\n\n#include <map>\n\n#include <functional>\n\n#include <math.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int MOD = 1e9 + 7;\n\n\n\nint main() {\n\n string S; cin >> S;\n\n ll dp[100010][4];\n\n memset(dp, 0, sizeof(dp));\n\n dp[0][3] = 1;\n\n for (int i = 0; i < S.length(); i++) {\n\n if (S[i] == 'A') {\n\n dp[i+1][0] = (dp[i][0] + dp[i][3]) % MOD;\n\n dp[i+1][1] = dp[i][1];\n\n dp[i+1][2] = dp[i][2];\n\n dp[i+1][3] = dp[i][3];\n\n } else if (S[i] == 'B') {\n\n dp[i+1][0] = dp[i][0];\n\n dp[i+1][1] = (dp[i][1] + dp[i][0]) % MOD;\n\n dp[i+1][2] = dp[i][2];\n\n dp[i+1][3] = dp[i][3];\n\n } else if (S[i] == 'C') {\n\n dp[i+1][0] = dp[i][0];\n\n dp[i+1][1] = dp[i][1];\n\n dp[i+1][2] = (dp[i][2] + dp[i][1]) % MOD;\n\n dp[i+1][3] = dp[i][3];\n\n } else {\n\n dp[i+1][0] = (3 * dp[i][0] + dp[i][3]) % MOD;\n\n dp[i+1][1] = (3 * dp[i][1] + dp[i][0]) % MOD;\n\n dp[i+1][2] = (3 * dp[i][2] + dp[i][1]) % MOD;\n\n dp[i+1][3] = (3 * dp[i][3]) % MOD;\n\n }\n\n }\n\n cout << dp[S.length()][2] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001868"}733{"label": "pie_cpp_validation_001869", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001869.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001869", "task_path": "tasks/validation/pie_cpp_validation_001869.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,a,b) for(int i=a;i<(b);++i)\n\n#define erep(i,a,b) for(int i=a;i<=(int)(b);++i)\n\n#define per(i,a,b) for(int i=(a);i>(b);--i)\n\n#define eper(i,a,b) for(int i=(a);i>=b;--i)\n\n#define pb push_back\n\n#define mp make_pair\n\n#define INF 100100100100\n\n#define inf 2001001001\n\n#define MOD 1000000007\n\n#define ALL(x) begin(x),end(x)\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int,int>;\n\nusing vii = vector<int>;\n\nusing vll = vector<ll>;\n\ntemplate<class T>using vv = vector<T>;\n\ntemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }\n\ntemplate<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }\n\nint dy[]={0, 1, -1, 0};\n\nint dx[]={1, 0, 0, -1};\n\nint gcd(int a,int b){return b?gcd(b,a%b):a;}\n\nint lcm(int a,int b){return a/gcd(a, b)*b;}\n\nvoid show(const vector<ll> &a) {\n\n rep(i, 0, a.size()) {\n\n cout << a[i] << (i != a.size()-1 ? \" \" : \"\\n\"); \n\n }\n\n}\n\nll xpowy(ll x, ll y) {\n\n ll res = 1LL;\n\n while (y > 0) {\n\n if ((y & 1))\n\n res = res * x % MOD;\n\n x = x * x % MOD;\n\n y >>= 1;\n\n }\n\n return res;\n\n}\n\nstring s;\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n cin >> s;\n\n int n = (int)s.size();\n\n vll a(n), c(n), l(n), r(n);\n\n rep(i, 1, n) {\n\n a[i] = a[i-1] + (s[i-1] == 'A');\n\n l[i] = l[i-1] + (s[i-1] == '?');\n\n }\n\n eper(i, n-2, 0) {\n\n c[i] = c[i+1] + (s[i+1] == 'C');\n\n r[i] = r[i+1] + (s[i+1] == '?');\n\n }\n\n ll ans = 0;\n\n rep(i, 1, n-1) {\n\n if (s[i] == '?' || s[i] == 'B') {\n\n ans = (ans + a[i] * c[i] % MOD * xpowy(3, l[i] + r[i]) % MOD) % MOD;\n\n ans = (ans + l[i] * c[i] % MOD * xpowy(3, l[i] + r[i] - 1) % MOD) % MOD;\n\n ans = (ans + a[i] * r[i] % MOD * xpowy(3, l[i] + r[i] - 1) % MOD) % MOD;\n\n ans = (ans + l[i] * r[i] % MOD * xpowy(3, l[i] + r[i] - 2) % MOD) % MOD;\n\n } \n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001869"}734{"label": "pie_cpp_validation_001870", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001870.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001870", "task_path": "tasks/validation/pie_cpp_validation_001870.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define REP(i,b,e) for(int i=(b);i<(e);++i)\n\n#define RREP(i,b,e) for(int i=(b)-1;i>=e;--i)\n\n#define rep(i,e) for(int i=0;i<(e);++i)\n\n\n\nconstexpr int MOD = 1000000007;\n\n\n\ninline void print(void) { cout<<'\\n'; }\n\ntemplate<class T> inline void print(const T &x) { cout<<x<<'\\n'; }\n\ntemplate<class T, class... U> inline void print(const T &x, const U&... y) { cout<<x<<\" \"; print(y...); }\n\n\n\nlong long modpow(long long x, long long n, long long mod = 1000000007) {\n\n if (n < 0) return 0;\n\n long long ret = 1;\n\n while (n > 0) {\n\n if (n & 1) ret = ret * x % mod;\n\n x = x * x % mod;\n\n n >>= 1;\n\n }\n\n return ret;\n\n}\n\n\n\nint main() {\n\n string s; cin>>s;\n\n int n = s.size();\n\n\n\n vector<long long> a(n), c(n), l(n), r(n);\n\n for (int i = 0, cnt = 0; i < n; ++i) {\n\n a[i] = cnt;\n\n if (s[i] == 'A') ++cnt;\n\n }\n\n for (int i = 0, cnt = 0; i < n; ++i) {\n\n l[i] = cnt;\n\n if (s[i] == '?') ++cnt;\n\n }\n\n for (int i = n-1, cnt = 0; i >= 0; --i) {\n\n c[i] = cnt;\n\n if (s[i] == 'C') ++cnt;\n\n }\n\n for (int i = n-1, cnt = 0; i >= 0; --i) {\n\n r[i] = cnt;\n\n if (s[i] == '?') ++cnt;\n\n }\n\n\n\n long long ans = 0;\n\n rep(i, n) if (s[i] == 'B' or s[i] == '?') {\n\n ans = (ans + a[i]*c[i]*modpow(3, l[i]+r[i])) % MOD;\n\n ans = (ans + l[i]*c[i]*modpow(3, l[i]+r[i]-1)) % MOD;\n\n ans = (ans + a[i]*r[i]*modpow(3, l[i]+r[i]-1)) % MOD;\n\n ans = (ans + l[i]*r[i]*modpow(3, l[i]+r[i]-2)) % MOD;\n\n }\n\n print(ans);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001870"}735{"label": "pie_cpp_validation_001871", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001871.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001871", "task_path": "tasks/validation/pie_cpp_validation_001871.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<string>\n\n#include<map>\n\n#include<math.h>\n\n#include<queue>\n\n#include<deque>\n\n#include<stack>\n\n#include<cstdio>\n\n#include<utility>\n\n#include<set>\n\n#include<list>\n\n#include<cmath>\n\n#include<stdio.h>\n\n#include<string.h>\n\n#include<cstdio>\n\n#include<iomanip>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int, int>;\n\nusing piii = pair<pii, pii>;\n\nconst int INF = 1e9 + 7;\n\nstring s;\n\nvoid add(ll &a, ll b) {\n\n\ta += b;\n\n\tif (a >= INF)a -= INF;\n\n}\n\nll dp[210000][5];//dp[i+1][3]:=i\u6587\u5b57\u76ee\u307e\u3067\u8003\u3048\u305f\u6642\u306bABC\u3068\u306e\n\n//\u7167\u5408\u306b\u304a\u3044\u3066C\u307e\u3067\u306f\u7167\u5408\u3055\u305b\u305f\u3088\u3046\u306a\u3082\u306e\n\nint main() {\n\n\tcin >> s;\n\n\tmemset(dp, 0, sizeof(dp));\n\n\tdp[0][0] = 1;\n\n\tfor (int i = 0; i < s.size(); ++i) {\n\n\t\tfor (int j = 0; j < 5; ++j) {\n\n\t\t\tif (s[i] != '?')add(dp[i + 1][j], dp[i][j]);\n\n\t\t\telse add(dp[i + 1][j], dp[i][j] * 3 % INF);\n\n\t\t}\n\n\t\tif (s[i] == 'A' || s[i] == '?')add(dp[i + 1][1], dp[i][0]);\n\n\t\tif (s[i] == 'B' || s[i] == '?')add(dp[i + 1][2], dp[i][1]);\n\n\t\tif (s[i] == 'C' || s[i] == '?')add(dp[i + 1][3], dp[i][2]);\n\n\t}\n\n\tcout << dp[s.size()][3] << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001871"}736{"label": "pie_cpp_validation_001872", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 15, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 15, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001872.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001872", "task_path": "tasks/validation/pie_cpp_validation_001872.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#define rep(i,n) for (int i = 0; i < n; i++)\n\n#define _USE_MATH_DEFINES\n\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <cstring>\n\n#include <queue>\n\n#include <functional>\n\n#include <set>\n\n#include <map>\n\n#include <string>\n\n#include <cmath>\n\n#include <math.h>\n\n#include <complex>\n\n#include <cassert>\n\nusing namespace std;\n\ntypedef long long int ll;\n\ntypedef pair<ll, ll> p;\n\ntypedef complex<double> com;\n\nconst int mod = 1e9 + 7;\n\nconst int MOD = 998244353;\n\nconst ll INF = 1e18;\n\n\n\n\n\nint main() {\n\n\tstring s; cin >> s;\n\n\tint n = s.size();\n\n\tvector<vector<ll>> dp(n + 1);\n\n\trep(i, n+1) {\n\n\t\tdp[i].resize(4, 0);\n\n\t}\n\n\tdp[0][0] = 1;\n\n\trep(i, n) {\n\n\t\trep(j, 4) {\n\n\t\t\trep(k, 3) {\n\n\t\t\t\tif (s[i] == 'A' + k||s[i]=='?') {\n\n\t\t\t\t\tdp[i + 1][j] = (dp[i+1][j]+dp[i][j])%mod;\n\n\t\t\t\t\tif (j == k) {\n\n\t\t\t\t\t\tdp[i + 1][j + 1] = (dp[i + 1][j + 1] + dp[i][j]) % mod;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout << dp[n][3] << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001872"}737{"label": "pie_cpp_validation_001873", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001873.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001873", "task_path": "tasks/validation/pie_cpp_validation_001873.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string.h>\n\n#include <stdio.h>\n\n#include <map>\n\n#include <vector>\n\n#include <math.h>\n\n#include <algorithm>\n\n#include <queue>\n\n#include <set>\n\n#include <tuple>\n\nusing namespace std;\n\n\n\n#define rep(i,a) for(int i=0; i<a; i++)\n\n#define rrep(i,a) for(int i=a; i>=0; i--)\n\n#define rep1(i,a) for(int i=1; i<=a; i++)\n\n#define cout1(a) cout << a << endl;\n\n#define cout2(a,b) cout << a << \" \" << b << endl;\n\n#define cout3(a,b,c) cout << a << \" \" << b << \" \" << c << endl;\n\n#define cout4(a,b,c,d) cout << a << \" \" << b << \" \" << c << \" \" << d << endl;\n\n#define mem(a,n) memset( a, n, sizeof(a))\n\n#define all(a) a.begin(),a.end()\n\n\n\ntypedef long long ll;\n\ntypedef pair<int,int> pii;\n\ntypedef vector<int> V;\n\ntypedef vector<V> VV;\n\ntypedef vector<VV> VVV;\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9+7;\n\nconst ll LLINF = 1e18;\n\nstatic const double pi = 3.141592653589793;\n\n\n\nll dp[100009][5];\n\n\n\nvoid add(ll &a, ll b){\n\n a += b;\n\n if(a>=MOD) a -= MOD;\n\n}\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n \n\n string S;\n\n cin>>S;\n\n \n\n mem(dp,0);\n\n dp[0][0]=1;\n\n rep(i,S.size()){\n\n rep(j,5){\n\n if(S[i]!='?') add(dp[i+1][j], dp[i][j]);\n\n else add(dp[i+1][j], dp[i][j]*3%MOD);\n\n }\n\n if(S[i]=='A' || S[i]=='?') add(dp[i+1][1], dp[i][0]);\n\n if(S[i]=='B' || S[i]=='?') add(dp[i+1][2], dp[i][1]);\n\n if(S[i]=='C' || S[i]=='?') add(dp[i+1][3], dp[i][2]);\n\n }\n\n \n\n cout1(dp[S.size()][3]);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001873"}738{"label": "pie_cpp_validation_001874", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001874.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001874", "task_path": "tasks/validation/pie_cpp_validation_001874.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> P;\n\n#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)\n\nconst ll mo=1000000007;\n\nll ans=0;\n\n\n\nint main()\n\n{\n\nstring s;\n\ncin >> s;\n\nll len=(int)(s.length());\n\nll dp[len][4]={};\n\nll a=0,c=0,q=0;\n\nrep(i,len){\n\n if(s[i]=='C')c++;\n\n if(s[i]=='?')q++;\n\n}\n\ndp[0][2]=c;\n\ndp[0][3]=q;\n\nif(s[0]=='C')dp[0][2]--;\n\nif(s[0]=='?')dp[0][3]--;\n\n\n\nrep(i,len){\n\n \n\n if(s[i]=='A')dp[i+1][0]=dp[i][0]+1;\n\n else dp[i+1][0]=dp[i][0];\n\n if(s[i]=='?')dp[i+1][1]=dp[i][1]+1;\n\n else dp[i+1][1]=dp[i][1];\n\n if(i==0)continue;\n\n if(s[i]=='C')dp[i][2]=dp[i-1][2]-1;\n\n else dp[i][2]=dp[i-1][2];\n\n if(s[i]=='?')dp[i][3]=dp[i-1][3]-1;\n\n else dp[i][3]=dp[i-1][3];\n\n}\n\nll jyo[100002];\n\njyo[2]=1;\n\njyo[1]=0;\n\njyo[0]=0;\n\nrep(i,99999){\n\n jyo[i+3]=(jyo[i+2]*3)%mo;\n\n}\n\n\n\n/* for (int i = 0; i < len; ++i) {\n\n cout << dp[i][0] << \" \"<< dp[i][1] << \" \"<< dp[i][2] << \" \"<< dp[i][3] << endl;\n\n} */\n\n\n\nfor(ll i = 1; i < len-1; i++){\n\n if(s[i]=='B'||s[i]=='?')ans+=(((dp[i][0]*jyo[dp[i][1]+2]+dp[i][1]*jyo[dp[i][1]+1])%mo)*((dp[i][2]*jyo[dp[i][3]+2]+dp[i][3]*jyo[dp[i][3]+1])%mo))%mo;\n\n \n\n}\n\nans=ans%mo;\n\n\n\n\n\ncout << ans << endl;\n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001874"}739{"label": "pie_cpp_validation_001875", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001875.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001875", "task_path": "tasks/validation/pie_cpp_validation_001875.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define SIZE 300005\n\n#define MOD 1000000007LL\n\n#define EPS 1e-10\n\n#define INF 2147483647\n\n#define LLINF 9223372036854775807\n\n#define REP(i,n) for(int i=0;i<n;i++)\n\n#define FOR(i,a,b) for(int i=a;i<=b;i++)\n\n#define DOWN(i,b,a) for(int i=b;i>=a;i--)\n\n#define SET(a,c) memset(a,c,sizeof a)\n\n#define BIT(i,j) ((i)>>(j))&1\n\n#define ALL(o) (o).begin(), (o).end()\n\n#define ERASE(o) (o).erase(unique((o).begin(),(o).end()), (o).end())\n\n#define SQ(x) ((x)*(x))\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> Pll;\n\ntypedef pair<int, int> Pii;\n\ntypedef pair<double, double> Pdd;\n\ntypedef complex<double> dcomplex;\n\ntemplate<typename T> inline void priv(vector<T>a){REP(i,a.size()){cerr<<a[i]<<((i==a.size()-1)?\"\\n\":\" \");}}\n\nll gcd(ll a,ll b){int c=max(a,b);int d=min(a,b);return c==0||d==0?c:gcd(c%d,d);}\n\nll lcm(ll a,ll b){return a==0||b==0?0:a*b/gcd(a,b);}\n\nll modfact(ll a){ll b=1;FOR(i,2,a)b=b*i%MOD;return b;}\n\nll modpow(ll a, ll n){ll b=1;while (n>0){if(n&1)b=b*a%MOD;a=a*a%MOD;n>>=1;}return b;}\n\nll modcomb(ll n, ll k){ll b=1;k=min(n-k,k);DOWN(i,n,n-k+1)b=b*i%MOD;return b*modpow(modfact(k),MOD-2)%MOD;}\n\n\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n vector<vector<ll>> dp(S.size(), vector<ll>(4, 0));\n\n if(S[0]=='?') {\n\n dp[0][0] = 3;\n\n dp[0][1] = 1;\n\n }\n\n else {\n\n dp[0][0] = 1;\n\n if(S[0]=='A') dp[0][1] = 1;\n\n }\n\n FOR(i, 1, S.size()-1) {\n\n if(S[i] == '?') {\n\n dp[i][0] = dp[i-1][0] * 3 % MOD;\n\n FOR(j, 1, 3) {\n\n dp[i][j] = dp[i-1][j-1];\n\n dp[i][j] = (dp[i][j] + dp[i-1][j] * 3) % MOD;\n\n }\n\n } else {\n\n dp[i][0] = dp[i-1][0]; \n\n FOR(j, 1, 3) {\n\n if(S[i]-'A'==j-1) dp[i][j] = dp[i-1][j-1];\n\n dp[i][j] = (dp[i][j] + dp[i-1][j]) % MOD;\n\n }\n\n }\n\n }\n\n cout << dp[S.size()-1][3] << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001875"}740{"label": "pie_cpp_validation_001876", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001876.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001876", "task_path": "tasks/validation/pie_cpp_validation_001876.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<cstring>\n\n#include<algorithm>\n\n#define Max 100005\n\nusing namespace std;\n\ntypedef long long LL;\n\nconst LL Mod = 1000000007;\n\nchar s[Max];\n\nLL dp[4][Max];///0 '?' 1 'A' 2 'B' 3 'C'\n\nint a,b,Q = 1;\n\nint main() {\n\n scanf(\"%s\",s + 1);\n\n dp[0][0] = 1;\n\n for(int i = 1;i <= strlen(s + 1);i ++) {\n\n for(int j = 0;j <= 3;j ++) {\n\n dp[j][i] = dp[j][i - 1];\n\n if(s[i] == '?')dp[j][i] = (dp[j][i] * 3) % Mod;\n\n if(j && (s[i] == '?' || s[i] - 'A' + 1 == j)) {\n\n dp[j][i] = (dp[j][i] + dp[j - 1][i - 1]) % Mod;\n\n }\n\n }\n\n }\n\n printf(\"%lld\",dp[3][strlen(s + 1)]);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001876"}741{"label": "pie_cpp_validation_001877", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001877.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001877", "task_path": "tasks/validation/pie_cpp_validation_001877.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<algorithm>\n\n#include<complex>\n\n#include<ctype.h>\n\n#include<iomanip>\n\n#include<iostream>\n\n#include<map>\n\n#include<math.h>\n\n#include<numeric>\n\n#include<queue>\n\n#include<set>\n\n#include<stack>\n\n#include<stdio.h>\n\n#include<string>\n\n#include<string>\n\n#include<vector>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\n#define FOR(i,a,b) for(ll i=(a);i<(b);++i)\n\n#define ALL(v) (v).begin(), (v).end()\n\n#define p(s) cout<<(s)<<endl\n\n#define p2(s, t) cout << (s) << \" \" << (t) << endl\n\n#define br() p(\"\")\n\n#define pn(s) cout << (#s) << \" \" << (s) << endl\n\n#define p_yes() p(\"YES\")\n\n#define p_no() p(\"NO\")\n\n\n\ntemplate < typename T >\n\nvoid vprint(T &V){\n\n\tfor(auto v : V){\n\n \tcout << v << \" \";\n\n\t}\n\n\tcout << endl;\n\n}\n\n\n\nint dx[4] = {-1, 0, 1, 0};\n\nint dy[4] = {0, 1, 0, -1};\n\n\n\nconst ll mod = 1e9 + 7;\n\nconst ll inf = 1e18;\n\n\n\nconst int N_MAX = 100010;\n\nll dp_A[N_MAX];\n\nll dp_AB[N_MAX];\n\nll dp_ABC[N_MAX];\n\nll dp_N[N_MAX];\n\n\n\nint main(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n // input\n\n string s;\n\n cin >> s;\n\n\n\n ll L = s.size();\n\n dp_A[0] = 0;\n\n dp_AB[0] = 0;\n\n dp_ABC[0] = 0;\n\n dp_N[0] = 1;\n\n\n\n // i\u6587\u5b57\u76ee\u3092\u898b\u305f\u3068\u304d (1-indexed)\n\n FOR(i, 1, L+1){\n\n char c = s[i-1];\n\n if(c=='A'){\n\n dp_A[i] = dp_A[i-1] + dp_N[i-1]; // \u6587\u5b57\u5217\u6570\u5206\u3060\u3051A\u304c\u5897\u3048\u308b\n\n dp_AB[i] = dp_AB[i-1];\n\n dp_ABC[i] = dp_ABC[i-1];\n\n dp_N[i] = dp_N[i-1];\n\n }\n\n else if(c=='B'){\n\n dp_A[i] = dp_A[i-1];\n\n dp_AB[i] = dp_AB[i-1] + dp_A[i-1]; // \uff11\u3064\u524d\u306eA\u306e\u6570\u3060\u3051AB\u304c\u5897\u3048\u308b\n\n dp_ABC[i] = dp_ABC[i-1];\n\n dp_N[i] = dp_N[i-1];\n\n }\n\n else if(c=='C'){\n\n dp_A[i] = dp_A[i-1];\n\n dp_AB[i] = dp_AB[i-1];\n\n dp_ABC[i] = dp_ABC[i-1] + dp_AB[i-1]; // 1\u3064\u524d\u306eAB\u306e\u6570\u3060\u3051ABC\u304c\u5897\u3048\u308b\n\n dp_N[i] = dp_N[i-1];\n\n }\n\n else if(c=='?'){\n\n // A\u306e\u5834\u5408\n\n ll A_A = dp_A[i-1] + dp_N[i-1];\n\n ll AB_A = dp_AB[i-1];\n\n ll ABC_A = dp_ABC[i-1];\n\n\n\n // B\n\n ll A_B = dp_A[i-1];\n\n ll AB_B = dp_AB[i-1] + dp_A[i-1];\n\n ll ABC_B = dp_ABC[i-1];\n\n\n\n // C\n\n ll A_C = dp_A[i-1];\n\n ll AB_C = dp_AB[i-1];\n\n ll ABC_C = dp_ABC[i-1] + dp_AB[i-1];\n\n\n\n dp_A[i] = A_A + A_B + A_C;\n\n dp_AB[i] = AB_A + AB_B + AB_C;\n\n dp_ABC[i] = ABC_A + ABC_B + ABC_C;\n\n\n\n dp_N[i] = 3 * dp_N[i-1];\n\n }\n\n\n\n dp_A[i] %= mod;\n\n dp_AB[i] %= mod;\n\n dp_ABC[i] %= mod;\n\n dp_N[i] %= mod;\n\n\n\n // pn(i);\n\n // pn(c);\n\n // pn(dp_A[i]);\n\n // pn(dp_AB[i]);\n\n // pn(dp_ABC[i]);\n\n // pn(dp_N[i]);\n\n // br();\n\n \n\n }\n\n\n\n p(dp_ABC[L]);\n\n \n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001877"}742{"label": "pie_cpp_validation_001878", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001878.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001878", "task_path": "tasks/validation/pie_cpp_validation_001878.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n\n\nint main() {\n\n\tstring S, ABC = \"ABC\";\n\n\tstatic long long DP[100010][4] = {};\n\n\tcin >> S;\n\n\tDP[S.size()][3] = 1;\n\n\tDP[S.size()][2] = 0;\n\n\tDP[S.size()][1] = 0;\n\n\tDP[S.size()][0] = 0;\n\n\tfor (int i = S.size() - 1; i >= 0; i--) {\n\n\t\tfor (int j = 0; j < 4; j++) {\n\n\t\t\tif (j == 3) {\n\n\t\t\t\tif (S[i] == '?') DP[i][3] = DP[i + 1][3] * 3;\n\n\t\t\t\telse DP[i][3] = DP[i + 1][3];\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tint m1, m2;\n\n\t\t\t\tif (S[i] == '?') m1 = 3;\n\n\t\t\t\telse m1 = 1;\n\n\t\t\t\tif (S[i] == ABC[j] || S[i] == '?') m2 = 1;\n\n\t\t\t\telse m2 = 0;\n\n\t\t\t\tDP[i][j] = DP[i + 1][j] * m1 + DP[i + 1][j + 1] * m2;\n\n\t\t\t}\n\n\t\t\tDP[i][j] = DP[i][j] % 1000000007;\n\n\t\t}\n\n\t}\n\n\tcout << DP[0][0];\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001878"}743{"label": "pie_cpp_validation_001879", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001879.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001879", "task_path": "tasks/validation/pie_cpp_validation_001879.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int MOD = 1000000007;\n\n\n\n#define REP(i,n) for((i)=0;(i)<(int)(n);(i)++)\n\n\n\nint main(){\n\n string s;\n\n cin >> s;\n\n int n = s.size();\n\n\n\n // dp[i + 1][j] : i \u6587\u5b57\u76ee\u307e\u3067\u3067\u72b6\u614b j \u3068\u306a\u308b\u3082\u306e\u306e\u7dcf\u6570\n\n ll dp[n + 1][4];\n\n // \u521d\u671f\u5316\n\n memset(dp, 0, sizeof(dp));\n\n dp[0][0] = 1;\n\n for (int i = 0; i < n; i++){\n\n if (s[i] == 'A' || s[i] == '?'){\n\n (dp[i + 1][0] += dp[i][0]) %= MOD;\n\n (dp[i + 1][1] += dp[i][1]) %= MOD;\n\n (dp[i + 1][2] += dp[i][2]) %= MOD;\n\n (dp[i + 1][3] += dp[i][3]) %= MOD;\n\n\n\n (dp[i + 1][1] += dp[i][0]) %= MOD;\n\n }\n\n\n\n if (s[i] == 'B' || s[i] == '?'){\n\n (dp[i + 1][0] += dp[i][0]) %= MOD;\n\n (dp[i + 1][1] += dp[i][1]) %= MOD;\n\n (dp[i + 1][2] += dp[i][2]) %= MOD;\n\n (dp[i + 1][3] += dp[i][3]) %= MOD;\n\n\n\n (dp[i + 1][2] += dp[i][1]) %= MOD;\n\n }\n\n\n\n if (s[i] == 'C' || s[i] == '?'){\n\n (dp[i + 1][0] += dp[i][0]) %= MOD;\n\n (dp[i + 1][1] += dp[i][1]) %= MOD;\n\n (dp[i + 1][2] += dp[i][2]) %= MOD;\n\n (dp[i + 1][3] += dp[i][3]) %= MOD;\n\n\n\n (dp[i + 1][3] += dp[i][2]) %= MOD;\n\n }\n\n }\n\n\n\n cout << dp[n][3] << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001879"}744{"label": "pie_cpp_validation_001880", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001880.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001880", "task_path": "tasks/validation/pie_cpp_validation_001880.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<int, int> pii;\n\n#define sc(x) scanf(\"%d\", &x)\n\n#define pb push_back\n\n#define mk make_pair\n\n#define fi first\n\n#define se second\n\n#define ALL(x) x.begin(), x.end()\n\n#define SZ(x) ((int)x.size())\n\n#define sqr(x) ((x)*(x))\n\n#define ABS(x) ((x)>=0?(x):(-(x)))\n\n#define fastio ios::sync_with_stdio(0),cin.tie(0)\n\ntemplate<class T>T gcd(T a, T b){return b?gcd(b, a%b):a;}\n\nconst int mod = 1e9+7;\n\nconst int maxn = 1e5+10;\n\nchar s[maxn];\n\nll dp[maxn][3][3];\n\n\n\nll qpow(ll a, ll n)\n\n{\n\n ll ret = 1;\n\n while(n){\n\n if(n&1)ret = ret*a%mod;\n\n a = a*a%mod;\n\n n >>= 1;\n\n }\n\n return ret;\n\n}\n\n\n\nint main()\n\n{\n\n scanf(\"%s\", s+1);\n\n int n = strlen(s+1), cnt = 0;\n\n for(int i = 1; i <= n; i++){\n\n if(s[i] == 'A'){\n\n for(int j = 0; j < 3; j++)dp[i][0][0] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][0][1] += dp[i-1][j][1];\n\n for(int j = 0; j < 3; j++)dp[i][0][2] += dp[i-1][j][2];\n\n dp[i][0][0] += qpow(3, cnt);\n\n }\n\n else if(s[i] == 'B'){\n\n for(int j = 0; j < 3; j++)dp[i][1][0] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][1][1] += dp[i-1][j][1]+dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][1][2] += dp[i-1][j][2];\n\n }\n\n else if(s[i] == 'C'){\n\n for(int j = 0; j < 3; j++)dp[i][2][0] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][2][1] += dp[i-1][j][1];\n\n for(int j = 0; j < 3; j++)dp[i][2][2] += dp[i-1][j][2]+dp[i-1][j][1];\n\n }\n\n else{\n\n for(int j = 0; j < 3; j++)dp[i][0][0] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][0][1] += dp[i-1][j][1];\n\n for(int j = 0; j < 3; j++)dp[i][0][2] += dp[i-1][j][2];\n\n for(int j = 0; j < 3; j++)dp[i][1][0] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][1][1] += dp[i-1][j][1];\n\n for(int j = 0; j < 3; j++)dp[i][1][2] += dp[i-1][j][2];\n\n for(int j = 0; j < 3; j++)dp[i][2][0] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][2][1] += dp[i-1][j][1];\n\n for(int j = 0; j < 3; j++)dp[i][2][2] += dp[i-1][j][2];\n\n dp[i][0][0] += qpow(3, cnt);\n\n for(int j = 0; j < 3; j++)dp[i][1][1] += dp[i-1][j][0];\n\n for(int j = 0; j < 3; j++)dp[i][2][2] += dp[i-1][j][1];\n\n cnt++;\n\n }\n\n for(int j = 0; j < 3; j++){\n\n for(int k = 0; k < 3; k++){\n\n dp[i][j][k] %= mod;\n\n //printf(\"dp[%d][%d][%d]=%lld\\n\", i, j, k, dp[i][j][k]);\n\n } \n\n }\n\n }\n\n printf(\"%lld\\n\", (dp[n][0][2]+dp[n][1][2]+dp[n][2][2])%mod);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001880"}745{"label": "pie_cpp_validation_001881", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001881.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001881", "task_path": "tasks/validation/pie_cpp_validation_001881.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\nusing namespace std;\n\ntypedef long long int lli;\n\nlli mod = 1e9 +7;\n\n\n\nlli modpow(lli a, lli p){\n\n\tlli ret = 1;\n\n\tfor(int i=63; i>=0; i--){\n\n\t\tret *= ret;\n\n\t\tret %= mod;\n\n\t\tif((1LL<<i & p) != 0){\n\n\t\t\tret *= a;\n\n\t\t\tret %= mod;\n\n\t\t}\n\n\t}\n\n\treturn ret;\n\n}\n\n\n\nint main(){\n\n\n\n\n\n\tstring s;\n\n\tcin >> s;\n\n\tint n = s.length();\n\n\tvector<lli> l(n), r(n);\n\n\t{\n\n\t\tlli all=0, a=0;\n\n\t\tfor(int i=1; i<n; i++){\n\n\t\t\tif(s[i-1] == 'A') a++;\n\n\t\t\tif(s[i-1] == '?') all++;\n\n\t\t\tl[i] = a*modpow(3, all)%mod;\n\n\t\t\tif(all != 0){\n\n\t\t\t\tl[i] += all*modpow(3, all-1)%mod;\n\n\t\t\t\tl[i] %= mod;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t{\n\n\t\tlli all=0, c=0;\n\n\t\tfor(int i=n-2; i>=0; i--){\n\n\t\t\tif(s[i+1] == 'C') c++;\n\n\t\t\tif(s[i+1] == '?') all++;\n\n\t\t\tr[i] = c*modpow(3, all)%mod;\n\n\t\t\tif(all != 0){\n\n\t\t\t\tr[i] += all*modpow(3, all-1)%mod;\n\n\t\t\t\tr[i] %= mod;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tlli ans = 0;\n\n\tfor(int i=1; i<n-1; i++){\n\n\t\tif(s[i]=='B' or s[i]=='?'){\n\n\t\t\tans += l[i]*r[i] %mod;\n\n\t\t\tans %= mod;\n\n\t\t}\n\n\t}\n\n\tcout << ans << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001881"}746{"label": "pie_cpp_validation_001882", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001882.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001882", "task_path": "tasks/validation/pie_cpp_validation_001882.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cassert>\n\n#include <cfloat>\n\n#include <cmath>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <deque>\n\n#include <iostream>\n\n#include <limits>\n\n#include <map>\n\n#include <numeric>\n\n#include <queue>\n\n#include <set>\n\n#include <stack>\n\n#include <string>\n\n#include <tuple>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#include <vector>\n\n \n\n#define FOR(i,k,n) for (int (i)=(k); (i)<(n); ++(i))\n\n#define rep(i,n) FOR(i,0,n)\n\n#define all(v) begin(v), end(v)\n\n#define debug(x) std::cerr<< #x <<\": \"<<x<<\"\\n\"\n\n#define debug2(x,y) std::cerr<< #x <<\": \"<< x <<\", \"<< #y <<\": \"<< y <<\"\\n\"\n\n \n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\ntypedef vector<int> vi;\n\ntypedef vector<vector<int> > vvi;\n\ntypedef vector<ll> vll;\n\ntypedef vector<vector<ll> > vvll;\n\ntypedef deque<bool> db;\n\ntemplate<class T> using vv=vector<vector< T > >;\n\n\n\n// cout vector\n\ntemplate<typename T> ostream& operator<<(ostream& s, const vector<T>& v) {\n\n int len = v.size(); s << \"\\n\";\n\n for (int i = 0; i < len; ++i) {\n\n s << v[i]; if (i < len - 1) s << \"\\t\";\n\n }\n\n s << \"\\n\"; return s;\n\n}\n\n\n\n// cout 2-dimentional vector\n\ntemplate<typename T> ostream& operator<<(ostream& s, const vector< vector<T> >& vv) {\n\n int len = vv.size();\n\n for (int i = 0; i < len; ++i) { s << vv[i]; }\n\n return s;\n\n}\n\n\n\nint mod = 1e9+7;\n\n\n\n// mod_power.cc\n\nll po(ll k, ll x) {\n\n if (x == 0) {\n\n return 1;\n\n }\n\n if (x == 1) {\n\n return k % mod;\n\n }\n\n ll y = po(k, x/2);\n\n y = y * y % mod;\n\n if (x % 2 == 1) {\n\n y = y * k % mod;\n\n }\n\n return y;\n\n}\n\n\n\nll combination(ll n, ll k) {\n\n k = min(k, n-k);\n\n if (k == 0) {\n\n return 1;\n\n }\n\n ll ret = 1;\n\n FOR (i, n-k+1, n+1) {\n\n ret = ret * i % mod;\n\n }\n\n ll denomi = 1; // denominator\n\n FOR (i, 1, k+1) {\n\n denomi = denomi * i % mod;\n\n }\n\n ret = ret * po(denomi, mod-2) % mod; // inverse\n\n return ret;\n\n}\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n int l = s.length();\n\n vi accum_a(l+1, 0);\n\n vi accum_b(l+1, 0);\n\n vi accum_c(l+1, 0);\n\n vi accum_q(l+1, 0);\n\n rep (i, l) {\n\n accum_a[i+1] = accum_a[i];\n\n accum_b[i+1] = accum_b[i];\n\n accum_c[i+1] = accum_c[i];\n\n accum_q[i+1] = accum_q[i];\n\n if (s[i] == 'A') {\n\n accum_a[i+1] += 1;\n\n } else if (s[i] == 'B') {\n\n accum_b[i+1] += 1;\n\n } else if (s[i] == 'C') {\n\n accum_c[i+1] += 1;\n\n } else {\n\n accum_q[i+1] += 1;\n\n }\n\n }\n\n\n\n ll ans = 0;\n\n FOR (i, 1, l-1) {\n\n if (s[i] == 'A' || s[i] == 'C') {\n\n continue;\n\n }\n\n int cnt_a = accum_a[i];\n\n int cnt_c = accum_c[l] - accum_c[i+1];\n\n int cnt_q0 = accum_q[i];\n\n int cnt_q1 = accum_q[l] - accum_q[i+1];\n\n\n\n ll pattern_left_d3 = po(3, cnt_q0-1);\n\n ll pattern_left = po(3, cnt_q0);\n\n ll pattern_right_d3 = po(3, cnt_q1-1);\n\n ll pattern_right = po(3, cnt_q1);\n\n ll all_a = pattern_left * cnt_a % mod;\n\n all_a = (all_a + pattern_left_d3 * cnt_q0 % mod) % mod;\n\n ll all_c = pattern_right * cnt_c % mod;\n\n all_c = (all_c + pattern_right_d3 * cnt_q1 % mod) % mod;\n\n ans = (ans + all_a * all_c % mod) % mod;\n\n debug(ans);\n\n }\n\n printf(\"%lld\\n\", ans);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001882"}747{"label": "pie_cpp_validation_001883", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001883.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001883", "task_path": "tasks/validation/pie_cpp_validation_001883.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n\n\nstring S; int p[3][100009]; long long ans = 0, mod = 1000000007, power3[100009];\n\n\n\nint range(int t, int l, int r) {\n\n\tif (l == 0) return p[t][r];\n\n\treturn p[t][r] - p[t][l - 1];\n\n}\n\n\n\nint main() {\n\n\tcin >> S;\n\n\tfor (int i = 0; i < S.size(); i++) {\n\n\t\tif (S[i] == '?') p[0][i] = 1;\n\n\t\tif (S[i] == 'A') p[1][i] = 1;\n\n\t\tif (S[i] == 'C') p[2][i] = 1;\n\n\t}\n\n\tfor (int h = 0; h < 3; h++) {\n\n\t\tfor (int i = 1; i < S.size(); i++) p[h][i] += p[h][i - 1];\n\n\t}\n\n\tpower3[0] = 1; for (int i = 1; i <= 100000; i++) power3[i] = (power3[i - 1] * 3LL) % mod;\n\n\t\n\n\tlong long ans = 0;\n\n\n\n\tfor (int i = 1; i < (int)S.size() - 1; i++) {\n\n\t\tif (!(S[i] == 'B' || S[i] == '?')) continue;\n\n\t\tlong long va = range(0, 0, i - 1);\n\n\t\tlong long s1 = range(1, 0, i - 1) * power3[va];\n\n\t\tlong long s2 = va; if (va >= 1) s2 *= power3[va - 1]; s1 %= mod; s2 %= mod;\n\n\n\n\t\tlong long vc = range(0, i + 1, S.size() - 1);\n\n\t\tlong long t1 = range(2, i + 1, S.size() - 1) * power3[vc];\n\n\t\tlong long t2 = vc; if (vc >= 1) t2 *= power3[vc - 1]; t1 %= mod; t2 %= mod;\n\n\n\n\t\tlong long ret = ((s1 + s2) % mod) * ((t1 + t2) % mod); ret %= mod;\n\n\t\tans += ret; ans %= mod;\n\n\t}\n\n\tcout << ans << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001883"}748{"label": "pie_cpp_validation_001884", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001884.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001884", "task_path": "tasks/validation/pie_cpp_validation_001884.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<utility>\n\n#include<string>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<queue>\n\n#include<map>\n\n#include<climits>\n\n#include<set>\n\n\n\n#define REP(i, n) for(int i = 0;i < n;i++)\n\n#define REPR(i, n) for(int i = n;i >= 0;i--)\n\n#define FOR(i, m, n) for(int i = m;i < n;i++)\n\n#define FORR(i, m, n) for(int i = m;i >= n;i--)\n\n#define SORT(v, n) sort(v, v+n);\n\n#define VSORT(v) sort(v.begin(), v.end());\n\n#define llong long long\n\n#define pb(a) push_back(a)\n\nusing namespace std;\n\ntypedef pair<int, int> pii;\n\ntypedef long long int ll;\n\ntypedef pair<ll,ll> pll;\n\nint dx[4] = {1,0,0,-1};\n\nint dy[4] = {0,1,-1,0};\n\n#define ARRAY_MAX 205\n\n\n\nconst int INF = 1e9+7;\n\nconst ll MOD = 1e9+7;\n\n\n\nll dp[200005][10];//dp[i][j]:=i\u6587\u5b57\u307e\u3067\u898b\u3066ABC\u306e\u3046\u3061j\u756a\u76ee\u307e\u3067\u78ba\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\n\n\n\nint main(){\n\n\n\n string s;\n\n cin >> s;\n\n memset(dp,0,sizeof(dp));\n\n dp[0][0] = 1;//\u7a7a\u6587\u5b57\u306e\u5834\u5408(\u3068\u308a\u3042\u3048\u305a\u4f55\u304b\u57cb\u3081\u8fbc\u3080)\n\n ll siz = s.size();\n\n\n\n for(int i = 0;i < siz;i++){\n\n\n\n for(int j = 0;j <= 3;j++){\n\n //\u9077\u79fb\u3057\u306a\u3044\u30b1\u30fc\u30b9\n\n if(s[i] == '?'){\n\n //i\u6587\u5b57\u76ee\u304c?\u3060\u3063\u305f\u5834\u5408\n\n //ABC\u306e\uff13\u901a\u308a\u57cb\u3081\u8fbc\u3081\u308b\n\n dp[i+1][j] = dp[i][j]*3%MOD;\n\n }else{\n\n //\u305d\u306e\u307e\u307e\u57cb\u3081\u8fbc\u3080\n\n dp[i+1][j] = dp[i][j]%MOD;\n\n }\n\n }\n\n\n\n //\u9077\u79fb\u3059\u308b\u30b1\u30fc\u30b9\n\n if(s[i] == '?' || s[i] == 'A'){\n\n //A\u304b?\u306e\u5834\u5408\u3001A\u3092\u57cb\u3081\u8fbc\u3093\u3067A\u306b\u9077\u79fb\u3067\u304d\u308b\n\n dp[i+1][1] += dp[i][0];\n\n dp[i+1][1] %= MOD; \n\n }\n\n if(s[i] == '?' || s[i] == 'B'){\n\n //B\u304b?\u306e\u5834\u5408\u3001B\u3092\u57cb\u3081\u8fbc\u3093\u3067B\u306b\u9077\u79fb\u3067\u304d\u308b\n\n dp[i+1][2] += dp[i][1];\n\n dp[i+1][2] %= MOD;\n\n }\n\n if(s[i] == '?' || s[i] == 'C'){\n\n //C\u304b?\u306e\u5834\u5408\u3001C\u3092\u57cb\u3081\u8fbc\u3093\u3067C\u306b\u9077\u79fb\u3067\u304d\u308b\n\n dp[i+1][3] += dp[i][2];\n\n dp[i+1][3] %= MOD;\n\n }\n\n }\n\n cout << dp[siz][3] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001884"}749{"label": "pie_cpp_validation_001885", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001885.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001885", "task_path": "tasks/validation/pie_cpp_validation_001885.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <complex>\n\n\n\nusing namespace std;\n\n\n\nconst long waru = 1000000007;\n\n\n\nlong pow3(int n)\n\n{\n\n long res = 1;\n\n int i = n;\n\n for(; i>40; i -= 40)\n\n {\n\n res *= (3486784401L) % waru * 3486784401L % waru;\n\n res %= waru;\n\n }\n\n\n\n for(; i>0; i--)\n\n {\n\n res *= 3;\n\n res %= waru;\n\n }\n\n return res;\n\n}\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n\n\n long a[100001] = {};\n\n long c[100001] = {};\n\n long h[100001] = {};\n\n for(int i=0; i<s.length(); i++)\n\n {\n\n //int cIdx = s.length() - 1 - i;\n\n //cout << a[i] << \" \" << c[cIdx] << endl;\n\n if(i != 0)\n\n {\n\n a[i] += a[i-1];\n\n c[i] += c[i-1];\n\n h[i] += h[i-1];\n\n }\n\n\n\n if(s[i] == 'A') a[i]++;\n\n if(s[i] == 'C') c[i]++;\n\n if(s[i] == '?') h[i]++;\n\n }\n\n\n\n long ans = 0;\n\n\n\n for(int i=1; i<s.length()-1; i++)\n\n {\n\n if(s[i] == 'B' || s[i] == '?')\n\n {\n\n int lh = h[s.length()-1] - h[i];\n\n int lc = c[s.length()-1] - c[i];\n\n\n\n // 1\n\n if(a[i-1] > 0 && lc > 0)\n\n {\n\n ans = (ans + a[i-1] * lc * pow3(h[i-1] + lh)) % waru;\n\n }\n\n\n\n // 2\n\n if(h[i-1] > 0 && lc > 0)\n\n {\n\n ans = (ans + h[i-1] * lc * pow3(h[i-1] - 1 + lh)) % waru;\n\n }\n\n\n\n // 3\n\n if(a[i-1] > 0 && lh > 0)\n\n {\n\n ans = (ans + a[i-1] * lh * pow3(h[i-1] + lh - 1)) % waru;\n\n }\n\n\n\n // 4\n\n if(h[i-1] > 0 && lh > 0)\n\n {\n\n ans = (ans + h[i-1] * lh * pow3(h[i-1] - 1 + lh - 1)) % waru;\n\n }\n\n }\n\n }\n\n \n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001885"}750{"label": "pie_cpp_validation_001886", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001886.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001886", "task_path": "tasks/validation/pie_cpp_validation_001886.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nlong long dp[100010][4]={},MOD=1000000007;\n\nint main()\n\n{\n\n\tstring s,ABC=\"ABC\";\n\n\tdp[0][0]=1;\n\n\tcin>>s;\n\n\tfor(int i=0;i<s.size();i++)\n\n\t{\n\n\t\tif (s[i]=='?')\n\n\t\t{\n\n\t\t\tdp[i+1][0]=(dp[i][0]*3)%MOD;\n\n\t\t\tfor (int j=0;j<3;j++)\n\n\t\t\t{\n\n\t\t\t\tdp[i+1][j+1]=(dp[i][j]+dp[i][j+1]*3)%MOD;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tdp[i+1][0]=dp[i][0];\n\n\t\t\tfor(int j=0;j<3;j++)\n\n\t\t\t{\n\n\t\t\t\tif(s[i]==ABC[j])\n\n\t\t\t\t{\n\n\t\t\t\t\tdp[i+1][j+1]=(dp[i][j]+dp[i][j+1])%MOD;\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t\tdp[i+1][j+1]=dp[i][j+1]%MOD;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout<<dp[s.size()][3]<<\"\\n\";\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001886"}751{"label": "pie_cpp_validation_001887", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001887.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001887", "task_path": "tasks/validation/pie_cpp_validation_001887.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n/***********************\n\n* Author: xuziyuan * \n\n***********************/\n\n\n\n#include <bits/stdc++.h>\n\n\n\n#define rt0 return 0\n\n#define rep(i,n) for(int i=0;i<n;i++)\n\n#define repn(i,n) for(int i=1;i<=n;i++)\n\n#define replet(c) for(char c='a';c<='z';c++) \n\n#define LL long long\n\n#define pii pair <int,int>\n\n#define pb push_back\n\n#define fi first\n\n#define se second\n\n#define mpr make_pair\n\n#define sqr(a) ((a)*(a))\n\n\n\nusing namespace std;\n\n\n\nconst LL MOD=1e9+7;\n\n\n\nstring s;\n\nLL dpa[100010],dpc[100010],dpq[100010],pw[100010],q,ans=0;\n\n\n\nint main()\n\n{\n\n\tpw[0]=1;\n\n\trepn(i,100005) pw[i]=pw[i-1]*3%MOD;\n\n\tcin>>s;\n\n\trepn(i,s.size())\n\n\t{\n\n\t\tif(s[i-1]=='?') q++;\n\n\t\tdpa[i]=dpa[i-1];\n\n\t\tdpc[i]=dpc[i-1];\n\n\t\tdpq[i]=dpq[i-1];\n\n\t\tif(s[i-1]=='A') dpa[i]++;\n\n\t\tif(s[i-1]=='C') dpc[i]++;\n\n\t\tif(s[i-1]=='?') dpq[i]++;\n\n\t}\n\n\trep(i,s.size())\n\n\t{\n\n\t\tLL fa=dpa[i]-dpa[0],fq=dpq[i]-dpq[0],bc=dpc[s.size()]-dpc[i+1],bq=dpq[s.size()]-dpq[i+1];\n\n\t\tif(s[i]=='B')\n\n\t\tans=(ans+fa*bc*pw[q]%MOD+fa*bq*(q==0 ? 0:pw[q-1])%MOD+fq*bc*(q==0 ? 0:pw[q-1])%MOD\n\n\t\t+fq*bq*(q-2<0 ? 0:pw[q-2])%MOD)%MOD;\n\n\t\tif(s[i]=='?')\n\n\t\tans=(ans+fa*bc*(q==0 ? 0:pw[q-1])%MOD+fa*bq*(q-2<0 ? 0:pw[q-2])%MOD+fq*bc*(q-2<0 ? 0:pw[q-2])%MOD\n\n\t\t+fq*bq*(q-3<0 ? 0:pw[q-3])%MOD)%MOD;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\trt0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001887"}752{"label": "pie_cpp_validation_001888", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001888.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001888", "task_path": "tasks/validation/pie_cpp_validation_001888.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef signed long long int ll;\n\nll inf=1000000007;\n\n\n\n\n\n\n\nconst int MAX = 510000;\n\nconst int MOD = 1000000007;\n\n\n\nlong long fac[MAX], finv[MAX], inv[MAX];\n\n\n\n// \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u308b\u524d\u51e6\u7406\n\nvoid COMinit() {\n\n fac[0] = fac[1] = 1;\n\n finv[0] = finv[1] = 1;\n\n inv[1] = 1;\n\n for (int i = 2; i < MAX; i++){\n\n fac[i] = fac[i - 1] * i % MOD;\n\n inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD;\n\n finv[i] = finv[i - 1] * inv[i] % MOD;\n\n }\n\n}\n\n\n\n// \u4e8c\u9805\u4fc2\u6570\u8a08\u7b97\n\nlong long COM(int n, int k){\n\n if (n < k) return 0;\n\n if (n < 0 || k < 0) return 0;\n\n return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;\n\n}\n\n\n\n\n\n\n\nint main(){\n\n string s;\n\n cin>>s;\n\n \n\n int n;\n\n n=(int)s.size();\n\n \n\n ll dp[100010][4]={};\n\n dp[n][3]=1;\n\n //for(int i=0;i<3;i++) dp[n][i]=0;\n\n for(int i=n-1;i>=0;i--){\n\n \n\n //char c=s[i];\n\n \n\n for(int j=3;j>=0;j--){\n\n if(i==n){\n\n dp[i][j] = (j == 3 ? 1 : 0);\n\n //if(j==3) dp[i][j]=1;\n\n //else dp[i][j]=0;\n\n }else{\n\n \n\n dp[i][j]=dp[i+1][j]*(s[i] =='?' ? 3 : 1);\n\n if(j < 3 && (s[i] == '?' || s[i] == \"ABC\"[j])){\n\n dp[i][j] += dp[i+1][j+1];\n\n\n\n }\n\n dp[i][j]%=inf;\n\n \n\n }\n\n \n\n }\n\n /* if(s[i]=='?'){\n\n //j=3\n\n //\u4f55\u3092\u66f8\u304f\u304b\u3067\u4e09\u901a\u308a\n\n dp[i][3]=3*dp[i+1][3];\n\n \n\n //j=2\n\n //?\u306bA,B,C\u3092\u5165\u308c\u3066\u4e38\u3057\u306a\u3044\n\n dp[i][2]=3*dp[i+1][2]+dp[i+1][3];\n\n //c\u3092\u5165\u308c\u3066\u4e38\n\n //dp[i][2]+=dp[i+1][3];\n\n \n\n //j=1\n\n //A,B,C\u3067\u4e38\u3057\u306a\u3044\n\n dp[i][1]=3*dp[i+1][1]+dp[i+1][2];\n\n //B\u3067\u4e38\n\n //dp[i][1]+=dp[i+1][2];\n\n \n\n //j=0\n\n //\u4e38\u3057\u306a\u3044\n\n dp[i][0]=3*dp[i+1][0]+dp[i+1][1];\n\n //A\u3067\u4e38\n\n //dp[i][0]+=dp[i+1][1];\n\n }else if(s[i]=='C'){\n\n //j=3\n\n dp[i][3]=dp[i+1][3];\n\n //j=2\n\n //\u4e38\u3092\u3059\u308b\u304b\u3057\u306a\u3044\u304b\n\n dp[i][2]=dp[i+1][2]+dp[i+1][3];\n\n //j=1\n\n dp[i][1]=dp[i+1][1];\n\n //j=0;\n\n dp[i][0]=dp[i+1][0];\n\n }else if(s[i]=='B'){\n\n //j=3\n\n dp[i][3]=dp[i+1][3];\n\n //j=2\n\n dp[i][2]=dp[i+1][2];\n\n //j=1\n\n dp[i][1]=dp[i+1][1]+dp[i+1][2];\n\n \n\n dp[i][0]=dp[i][0];\n\n \n\n }else if(s[i]=='A'){\n\n //j=3\n\n dp[i][3]=dp[i+1][3];\n\n //j=2\n\n dp[i][2]=dp[i+1][2];\n\n \n\n dp[i][1]=dp[i+1][1];\n\n \n\n dp[i][0]=dp[i+1][0]+dp[i+1][1];\n\n }\n\n \n\n \n\n dp[i][0]%=inf;\n\n dp[i][1]%=inf;\n\n dp[i][2]%=inf;\n\n dp[i][3]%=inf;*/\n\n }\n\n \n\n cout<<dp[0][0]<<endl;\n\n \n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001888"}753{"label": "pie_cpp_validation_001889", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001889.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001889", "task_path": "tasks/validation/pie_cpp_validation_001889.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> P;\n\ntypedef tuple<ll,ll,ll> TUP;\n\n#define a first\n\n#define b second\n\n#define sz size()\n\n#define pb(x) push_back(x) \n\n#define bg begin()\n\n#define ed end()\n\n#define rep(i,n) for(ll i=0;i<n;i++)\n\n#define rep1(i,n) for(ll i=1;i<=n;i++)\n\n#define mp(x,y) make_pair(x,y)\n\nconst ll MOD=1000000007;\n\n\n\nll maxx(ll x,ll y,ll z){\n\n\treturn max(max(x,y),z);\n\n}\n\nll minn(ll x,ll y,ll z){\n\n\treturn min(min(x,y),z);\n\n}\n\nll gcd(ll x,ll y){\n\n\tif(x%y==0) return y;\n\n else return gcd(y,x%y);\n\n}\n\nll lcm(ll x,ll y){\n\n\treturn x*(y/gcd(x,y));\n\n}\n\n\n\nll mod(ll x){\n\n\treturn x%MOD;\n\n}\n\n\n\n//a,b x\n\nint main(){\n\n\tstring s; cin>>s;\n\n\tvector<vector<ll>> dp(s.sz+1,vector<ll>(4,0));\n\n\tdp[s.sz][3]=1;\n\n\trep(i,3) dp[s.sz][i]=0;\n\n\t\n\n\tfor(int i=s.sz-1;i>=0;i--){\n\n\t\tif(s[i]=='?') dp[i][3]=(3*dp[i+1][3])%MOD;\n\n\t\telse dp[i][3]=dp[i+1][3];\n\n\n\n\t\trep(j,3){\n\n\t\t\tll m1=1,m2=0;\n\n\t\t\tif(s[i]=='?') m1=3;\n\n\t\t\tif(s[i]=='?' || s[i]-'A'==j) m2=1;\n\n\t\t\tdp[i][j]=((m1*dp[i+1][j])%MOD+m2*dp[i+1][j+1])%MOD;\n\n\t\t}\n\n\t}\n\n\tcout<<dp[0][0];\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001889"}754{"label": "pie_cpp_validation_001890", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001890.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001890", "task_path": "tasks/validation/pie_cpp_validation_001890.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define INF (1<<30)\n\n#define INFLL (1ll<<60)\n\ntypedef pair<int, int> P;\n\ntypedef pair<int, P> E;\n\n#define MOD (1000000007ll)\n\n#define l_ength size\n\n\n\nvoid mul_mod(ll& a, ll b){\n\n\ta *= b;\n\n\ta %= MOD;\n\n}\n\n\n\nvoid add_mod(ll& a, ll b){\n\n\tb += MOD;\n\n\ta += b;\n\n\ta %= MOD;\n\n}\n\n\n\nll cnt[4][123456];\n\n\n\nll rwpw(ll x, ll p){\n\n\tll ret = 1ll;\n\n\twhile(p){\n\n\t\tif(p%2){\n\n\t\t\tmul_mod(ret,x);\n\n\t\t}\n\n\t\tmul_mod(x,x);\n\n\t\tp /= 2;\n\n\t}\n\n\treturn ret;\n\n}\n\n\n\nint main(void){\n\n\tint n,i,j;\n\n\tll ans=0ll,l,r,t;\n\n\tstring s,c=\"ABC?\";\n\n\tcin >> s;\n\n\tn = s.l_ength();\n\n\tfor(j=0; j<4; ++j){\n\n\t\tcnt[j][0] = 0ll;\n\n\t}\n\n\tfor(i=0; i<n; ++i){\n\n\t\tfor(j=0; j<4; ++j){\n\n\t\t\tcnt[j][i+1] = cnt[j][i];\n\n\t\t\tif(s[i] == c[j]){\n\n\t\t\t\t++cnt[j][i+1];\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfor(i=0; i<n; ++i){\n\n\t\tif(s[i] == 'A' or s[i] == 'C'){\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tl = cnt[0][i];\n\n\t\tt = cnt[3][i];\n\n\t\tmul_mod(l,rwpw(3ll,t));\n\n\t\tif(t){\n\n\t\t\tmul_mod(t,rwpw(3ll,t-1));\n\n\t\t}\n\n\t\tadd_mod(l,t);\n\n\t\tr = cnt[2][n] - cnt[2][i+1];\n\n\t\tt = cnt[3][n]-cnt[3][i+1];\n\n\t\tmul_mod(r,rwpw(3ll,t));\n\n\t\tif(t){\n\n\t\t\tmul_mod(t,rwpw(3ll,t-1));\n\n\t\t}\n\n\t\tadd_mod(r,t);\n\n\t\tt = l;\n\n\t\tmul_mod(t,r);\n\n\t\tadd_mod(ans,t);\n\n\t}\n\n\tcout << ans << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001890"}755{"label": "pie_cpp_validation_001891", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001891.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001891", "task_path": "tasks/validation/pie_cpp_validation_001891.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntemplate <class T>\n\ninline bool chmax(T &a, T b)\n\n{\n\n if (a < b)\n\n {\n\n a = b;\n\n return 1;\n\n }\n\n return 0;\n\n}\n\ntemplate <class T>\n\ninline bool chmin(T &a, T b)\n\n{\n\n if (a > b)\n\n {\n\n a = b;\n\n return 1;\n\n }\n\n return 0;\n\n}\n\ntypedef long long int ll;\n\n\n\n#define EPS (1e-7)\n\n#define INF (1e9)\n\n#define LLINF (1e18)\n\n#define PI (acos(-1))\n\n#define MOD (1000000007)\n\n#define ALL(v) (v).begin(), (v).end()\n\n#define RALL(v) (v).rbegin(), (v).rend()\n\nconst int dx[4] = {1, 0, -1, 0};\n\nconst int dy[4] = {0, 1, 0, -1};\n\n\n\n//-------------------------------------\n\n\n\nll dp[100010][4];\n\n// dp[i+1][j]:=i\u6587\u5b57\u76ee\u307e\u3067\u898b\u305f\u6642\u306b\u3001\"ABC\"\u306e\u3046\u3061j\u756a\u76ee\u307e\u3067\u7167\u5408\u3057\u305f\u3082\u306e\u306e\u500b\u6570\n\n\n\nint main()\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string s;\n\n cin >> s;\n\n int n = s.size();\n\n dp[0][0] = 1;\n\n for (int i = 0; i < n; i++)\n\n {\n\n for (int j = 0; j < 4; j++)\n\n {\n\n if (s[i] == '?')\n\n {\n\n dp[i + 1][j] += (dp[i][j] * 3 % MOD);\n\n dp[i + 1][j] %= MOD;\n\n }\n\n else\n\n {\n\n dp[i + 1][j] += dp[i][j];\n\n dp[i + 1][j] %= MOD;\n\n }\n\n }\n\n if (s[i] == 'A' || s[i] == '?')\n\n {\n\n dp[i + 1][1] += dp[i][0];\n\n dp[i + 1][1] %= MOD;\n\n }\n\n if (s[i] == 'B' || s[i] == '?')\n\n {\n\n dp[i + 1][2] += dp[i][1];\n\n dp[i + 1][2] %= MOD;\n\n }\n\n if (s[i] == 'C' || s[i] == '?')\n\n {\n\n dp[i + 1][3] += dp[i][2];\n\n dp[i + 1][3] %= MOD;\n\n }\n\n }\n\n cout << dp[n][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001891"}756{"label": "pie_cpp_validation_001892", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001892.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001892", "task_path": "tasks/validation/pie_cpp_validation_001892.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<string>\n\nstd::string S;\n\n#define LL long long\n\nLL ans;\n\nLL mod = 1e9 + 7;\n\nLL D[4][100010];\n\nLL Q;\n\nLL K[4];\n\n\n\nvoid ad(LL X, LL Y,int i) {\n\n\tLL add = (X*Y) % mod;\n\n\tadd *= K[i];\n\n\tadd %= mod;\n\n\tans += add;\n\n\tans %= mod;\n\n}\n\nint main() {\n\n\tstd::cin >> S;\n\n\tfor (int i = 0; i < S.size();i++) {\n\n\t\tif (S[i] == '?') {\n\n\t\t\tQ++;\n\n\t\t\tD[3][i]++;\n\n\t\t}\n\n\t\telse D[S[i] - 'A'][i]++;\n\n\t\tfor (int j = 0; j < 4; j++) {\n\n\t\t\tD[j][i + 1] += D[j][i];\n\n\t\t}\n\n\t}\n\n\tK[0] = 1;\n\n\tfor (int i = 0; i < Q - 3; i++) {\n\n\t\tK[0] *= 3;\n\n\t\tK[0] %= mod;\n\n\t}\n\n\tK[1] = (Q - 2 > 0 ? 3 : 1) * K[0];\n\n\tK[1] %= mod;\n\n\tK[2] = (Q - 1 > 0 ? 3 : 1) * K[1];\n\n\tK[2] %= mod;\n\n\tK[3] = (Q > 0 ? 3 : 1) * K[2];\n\n\tK[3] %= mod;\n\n\tfor (int i = 0; i < S.size(); i++) {\n\n\t\tif (S[i] == 'B') {\n\n\t\t\tad(D[0][i - 1], D[2][S.size() - 1] - D[2][i], 3);\n\n\t\t\tad(D[0][i - 1], D[3][S.size() - 1] - D[3][i], 2);\n\n\t\t\tad(D[3][i - 1], D[2][S.size() - 1] - D[2][i], 2);\n\n\t\t\tad(D[3][i - 1], D[3][S.size() - 1] - D[3][i], 1);\n\n\t\t}\n\n\t\tif (S[i] == '?') {\n\n\t\t\tad(D[0][i - 1], D[2][S.size() - 1] - D[2][i], 2);\n\n\t\t\tad(D[0][i - 1], D[3][S.size() - 1] - D[3][i], 1);\n\n\t\t\tad(D[3][i - 1], D[2][S.size() - 1] - D[2][i], 1);\n\n\t\t\tad(D[3][i - 1], D[3][S.size() - 1] - D[3][i], 0);\n\n\t\t}\n\n\t}\n\n\tstd::cout << ans << std::endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001892"}757{"label": "pie_cpp_validation_001893", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001893.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001893", "task_path": "tasks/validation/pie_cpp_validation_001893.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define dump(x) cout << (x) << '\\n';\n\ntypedef int64_t Int;\n\nInt mod = 1e9+7;\n\n\n\nInt dp[100010][5];\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n string t = \"ABC\";\n\n dp[0][0] = 1;\n\n for (Int i = 0; i <= (Int)s.size(); i++) {\n\n for (Int j = 0; j <= (Int)t.size(); j++) {\n\n if (s[i] == '?') {\n\n dp[i + 1][j] += dp[i][j] * 3 % mod;\n\n dp[i + 1][j] %= mod;\n\n dp[i + 1][j + 1] += dp[i][j];\n\n dp[i + 1][j + 1] %= mod;\n\n }\n\n else {\n\n dp[i + 1][j] += dp[i][j];\n\n dp[i + 1][j] %= mod;\n\n if (s[i] == t[j]) {\n\n dp[i + 1][j + 1] += dp[i][j];\n\n dp[i + 1][j + 1] %= mod;\n\n }\n\n }\n\n }\n\n }\n\n /* cout << \" \";\n\n for (Int i = 0; i < 3; i++) cout << t[i] << \" \";\n\n cout << endl;\n\n for (Int i = 0; i <= (Int)s.size(); i++) {\n\n if (i > 0) {\n\n cout << s[i - 1] << \" \";\n\n }\n\n if (i == 0) cout << \" \";\n\n for (Int j = 0; j <= 3; j++) {\n\n cout << dp[i][j] << \" \";\n\n }\n\n cout << endl;\n\n } */\n\n dump(dp[(Int)s.size()][3]);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001893"}758{"label": "pie_cpp_validation_001894", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001894.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001894", "task_path": "tasks/validation/pie_cpp_validation_001894.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <utility>\n\n#include <numeric>\n\n#include <functional>\n\n#include <stdio.h>\n\n#include <math.h>\n\n#include <string>\n\n#include <algorithm>\n\n#include <deque>\n\n#include <queue>\n\n#include <map>\n\n\n\n#define rep(i, m, n) for (int (i)(m); (i)<(n); ++(i))\n\n#define repr(i, m, n) for (int (i)(m - 1); (i)>=(n); --(i))\n\n#define repv(i, v) for (unsigned (i)(0); (i)<(v.size()); ++(i))\n\n#define all(v) (v).begin(), (v).end()\n\n#define sortv(v) sort(all(v))\n\n#define sortgi(v) sort(all(v), greater<int>())\n\n#define sortgd(v) sort(all(v), greater<double>())\n\n#define sortgll(v) sort(all(v), greater<ll>())\n\n#define debug(x) cerr << #x << \": \" << x << '\\n'\n\n\n\nusing namespace std;\n\nusing pii = pair<int, int>;\n\nusing pss = pair<string, string>;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vvvi = vector<vvi>;\n\nusing vd = vector<double>;\n\nusing vvd = vector<vd>;\n\nusing vs = vector<string>;\n\nusing ll = long long;\n\nusing pllll = pair<ll, ll>;\n\nusing vll = vector<ll>;\n\nusing vvll = vector<vll>;\n\nusing vb = vector<bool>;\n\nusing vvb = vector<vb>;\n\nusing vvvb = vector<vvb>;\n\nusing pqi = priority_queue<int>;\n\nusing pqd = priority_queue<double>;\n\nusing pqll = priority_queue<ll>;\n\nusing pqvi = priority_queue<vi>;\n\nusing pqvll = priority_queue<vll>;\n\n\n\nll mod = 1e9 + 7;\n\n\n\nint main() {\n\n\tstring s;\n\n\tcin >> s;\n\n\tll n = 1;\n\n\tll a = 0;\n\n\tll ab = 0;\n\n\tll abc = 0;\n\n\trepv(i, s) {\n\n\t\tif (s[i] == 'A') {\n\n\t\t\ta += n;\n\n\t\t\ta %= mod;\n\n\t\t}\n\n\t\telse if (s[i] == 'B') {\n\n\t\t\tab += a;\n\n\t\t\tab %= mod;\n\n\t\t}\n\n\t\telse if (s[i] == 'C') {\n\n\t\t\tabc += ab;\n\n\t\t\tabc %= mod;\n\n\t\t}\n\n\t\telse if (s[i] == '?') {\n\n\t\t\tabc += 2 * abc + ab;\n\n\t\t\tabc %= mod;\n\n\t\t\tab += 2 * ab + a;\n\n\t\t\tab %= mod;\n\n\t\t\ta += 2 * a + n;\n\n\t\t\ta %= mod;\n\n\t\t\tn *= 3;\n\n\t\t\tn %= mod;\n\n\t\t}\n\n\t}\n\n\tcout << abc << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001894"}759{"label": "pie_cpp_validation_001895", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001895.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001895", "task_path": "tasks/validation/pie_cpp_validation_001895.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n// need\n\n#include <iostream>\n\n#include <algorithm>\n\n\n\n// data structure\n\n#include <bitset>\n\n#include <map>\n\n#include <queue>\n\n#include <set>\n\n#include <stack>\n\n#include <string>\n\n#include <utility>\n\n#include <vector>\n\n#include <complex>\n\n//#include <deque>\n\n#include <valarray>\n\n\n\n// stream\n\n//#include <istream>\n\n//#include <sstream>\n\n//#include <ostream>\n\n#include <fstream>\n\n\n\n// etc\n\n#include <cassert>\n\n#include <cmath>\n\n#include <functional>\n\n#include <iomanip>\n\n#include <chrono>\n\n#include <random>\n\n#include <numeric>\n\n\n\n// input\n\n#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);\n\n#define VAR(type, ...)type __VA_ARGS__;MACRO_VAR_Scan(__VA_ARGS__);\n\ntemplate<typename T> void MACRO_VAR_Scan(T& t) { std::cin >> t; }\n\ntemplate<typename First, typename...Rest>void MACRO_VAR_Scan(First& first, Rest&...rest) { std::cin >> first; MACRO_VAR_Scan(rest...); }\n\n#define VEC_ROW(type, n, ...)std::vector<type> __VA_ARGS__;MACRO_VEC_ROW_Init(n, __VA_ARGS__); for(int i=0; i<n; ++i){MACRO_VEC_ROW_Scan(i, __VA_ARGS__);}\n\ntemplate<typename T> void MACRO_VEC_ROW_Init(int n, T& t) { t.resize(n); }\n\ntemplate<typename First, typename...Rest>void MACRO_VEC_ROW_Init(int n, First& first, Rest&...rest) { first.resize(n); MACRO_VEC_ROW_Init(n, rest...); }\n\ntemplate<typename T> void MACRO_VEC_ROW_Scan(int p, T& t) { std::cin >> t[p]; }\n\ntemplate<typename First, typename...Rest>void MACRO_VEC_ROW_Scan(int p, First& first, Rest&...rest) { std::cin >> first[p]; MACRO_VEC_ROW_Scan(p, rest...); }\n\n#define VEC(type, c, n) std::vector<type> c(n);for(auto& i:c)std::cin>>i;\n\n#define MAT(type, c, m, n) std::vector<std::vector<type>> c(m, std::vector<type>(n));for(auto& r:c)for(auto& i:r)std::cin>>i;\n\n\n\n// output\n\n#define OUT(d) std::cout<<(d);\n\n#define FOUT(n, d) std::cout<<std::fixed<<std::setprecision(n)<<(d);\n\n#define SOUT(n, c, d) std::cout<<std::setw(n)<<std::setfill(c)<<(d);\n\n#define SP std::cout<<\" \";\n\n#define TAB std::cout<<\"\\t\";\n\n#define BR std::cout<<\"\\n\";\n\n#define SPBR(i, n) std::cout<<(i + 1 == n ? '\\n' : ' ');\n\n#define ENDL std::cout<<std::endl;\n\n#define FLUSH std::cout<<std::flush;\n\n#define SHOW(d) {std::cerr << #d << \"\\t:\" << (d) << \"\\n\";}\n\n#define SHOWVECTOR(v) {std::cerr << #v << \"\\t:\";for(const auto& xxx : v){std::cerr << xxx << \" \";}std::cerr << \"\\n\";}\n\n#define SHOWVECTOR2(v) {std::cerr << #v << \"\\t:\\n\";for(const auto& xxx : v){for(const auto& yyy : xxx){std::cerr << yyy << \" \";}std::cerr << \"\\n\";}}\n\n#define SHOWQUEUE(a) {auto tmp(a);std::cerr << #a << \"\\t:\";while(!tmp.empty()){std::cerr << tmp.front() << \" \";tmp.pop();}std::cerr << \"\\n\";}\n\n\n\n// utility\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define FOR(i, a, b) for(int i=(a);i<(b);++i)\n\n#define RFOR(i, a, b) for(int i=(b)-1;i>=(a);--i)\n\n#define REP(i, n) for(int i=0;i<int(n);++i)\n\n#define RREP(i, n) for(int i=int(n)-1;i>=0;--i)\n\n#define FORLL(i, a, b) for(ll i=ll(a);i<ll(b);++i)\n\n#define RFORLL(i, a, b) for(ll i=ll(b)-1;i>=ll(a);--i)\n\n#define REPLL(i, n) for(ll i=0;i<ll(n);++i)\n\n#define RREPLL(i, n) for(ll i=ll(n)-1;i>=0;--i)\n\n#define IN(a, x, b) (a<=x && x<b)\n\ntemplate<typename T> inline T CHMAX(T& a, const T b) { return a = (a < b) ? b : a; }\n\ntemplate<typename T> inline T CHMIN(T& a, const T b) { return a = (a > b) ? b : a; }\n\n#define EXCEPTION(msg) throw std::string(\"Exception : \" msg \" [ in \") + __func__ + \" : \" + std::to_string(__LINE__) + \" lines ]\"\n\n#define TRY(cond, msg) try {if (cond) EXCEPTION(msg);}catch (std::string s) {std::cerr << s << std::endl;}\n\nvoid CHECKTIME(std::function<void()> f) { auto start = std::chrono::system_clock::now(); f(); auto end = std::chrono::system_clock::now(); auto res = std::chrono::duration_cast<std::chrono::nanoseconds>((end - start)).count(); std::cerr << \"[Time:\" << res << \"ns (\" << res / (1.0e9) << \"s)]\\n\"; }\n\n\n\n// test\n\ntemplate<class T> std::vector<std::vector<T>> VV(int n, int m, T init = T()) {\n\n\treturn std::vector<std::vector<T>>(n, std::vector<T>(m, init));\n\n}\n\ntemplate<typename S, typename T>\n\nstd::ostream& operator<<(std::ostream& os, std::pair<S, T> p) {\n\n\tos << \"(\" << p.first << \", \" << p.second << \")\"; return os;\n\n}\n\n\n\n// type/const\n\n#define int ll\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing ld = long double;\n\nusing PAIR = std::pair<int, int>;\n\nusing PAIRLL = std::pair<ll, ll>;\n\nconstexpr int INFINT = 1 << 30; // 1.07x10^ 9\n\nconstexpr int INFINT_LIM = (1LL << 31) - 1; // 2.15x10^ 9\n\nconstexpr ll INFLL = 1LL << 60; // 1.15x10^18\n\nconstexpr ll INFLL_LIM = (1LL << 62) - 1 + (1LL << 62); // 9.22x10^18\n\nconstexpr double EPS = 1e-9;\n\nconstexpr int MOD = 1000000007;\n\nconstexpr double PI = 3.141592653589793238462643383279;\n\n\n\ntemplate<class T, size_t N> void FILL(T(&a)[N], const T& val) { for (auto& x : a) x = val; }\n\ntemplate<class ARY, size_t N, size_t M, class T> void FILL(ARY(&a)[N][M], const T& val) { for (auto& b : a) FILL(b, val); }\n\ntemplate<class T> void FILL(std::vector<T>& a, const T& val) { for (auto& x : a) x = val; }\n\ntemplate<class ARY, class T> void FILL(std::vector<std::vector<ARY>>& a, const T& val) { for (auto& b : a) FILL(b, val); }\n\n\n\n// ------------>8------------------------------------->8------------\n\n\n\nll powMod(ll n, ll p, ll mod) {\n\n\tif (p < 0) p += mod - 1;\n\n\tll res = 1;\n\n\twhile (p) {\n\n\t\tif (p & 1) (res *= n) %= mod;\n\n\t\t(n *= n) %= mod;\n\n\t\tp >>= 1;\n\n\t}\n\n\treturn res;\n\n}\n\n\n\nsigned main() {\n\n\tINIT;\n\n\n\n\tVAR(std::string, s);\n\n\tint n = s.size();\n\n\n\n\tstd::vector<int> a(n + 1, 0);\n\n\tstd::vector<int> c(n + 1, 0);\n\n\tstd::vector<int> q(n + 1, 0);\n\n\n\n\tREP(i, n) {\n\n\t\ta[i + 1] = a[i] + (s[i] == 'A');\n\n\t\tc[i + 1] = c[i] + (s[i] == 'C');\n\n\t\tq[i + 1] = q[i] + (s[i] == '?');\n\n\t}\n\n\n\n\tint ans = 0;\n\n\tREP(i, n) {\n\n\t\tif (s[i] == 'A' || s[i] == 'C') continue;\n\n\t\tint A = a[i];\n\n\t\tint C = c[n] - c[i];\n\n\t\tint Q = q[i];\n\n\t\tint P = q[n] - q[i + 1];\n\n\t\t(ans += (3 * A + Q) * (3 * C + P) % MOD * powMod(3, P + Q - 2, MOD) % MOD) %= MOD;\n\n\t}\n\n\tOUT(ans)BR;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001895"}760{"label": "pie_cpp_validation_001896", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001896.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001896", "task_path": "tasks/validation/pie_cpp_validation_001896.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define FOR(i,a,b) for(int i= (a); i<((int)b); ++i)\n\n#define RFOR(i,a) for(int i=(a); i >= 0; --i)\n\n#define FOE(i,a) for(auto i : a)\n\n#define ALL(c) (c).begin(), (c).end()\n\n#define RALL(c) (c).rbegin(), (c).rend()\n\n#define DUMP(x) cerr << #x << \" = \" << (x) << endl;\n\n#define SUM(x) std::accumulate(ALL(x), 0LL)\n\n#define MIN(v) *std::min_element(v.begin(), v.end())\n\n#define MAX(v) *std::max_element(v.begin(), v.end())\n\n#define EXIST(v,x) (std::find(v.begin(), v.end(), x) != v.end())\n\n#define BIT(n) (1LL<<(n))\n\n#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end());\n\n\n\ntypedef long long LL;\n\ntemplate<typename T> using V = std::vector<T>;\n\ntemplate<typename T> using VV = std::vector<std::vector<T>>;\n\ntemplate<typename T> using VVV = std::vector<std::vector<std::vector<T>>>;\n\n\n\ntemplate<class T> inline T ceil(T a, T b) { return (a + b - 1) / b; }\n\ntemplate<class T> inline void print(T x) { std::cout << x << std::endl; }\n\ntemplate<class T> inline void print_vec(const std::vector<T> &v) { for (int i = 0; i < v.size(); ++i) { if (i != 0) {std::cout << \" \";} std::cout << v[i];} std::cout << \"\\n\"; }\n\ntemplate<class T> inline bool inside(T y, T x, T H, T W) {return 0 <= y and y < H and 0 <= x and x < W; }\n\ntemplate<class T> inline double euclidean_distance(T y1, T x1, T y2, T x2) { return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)); }\n\ntemplate<class T> inline double manhattan_distance(T y1, T x1, T y2, T x2) { return abs(x1 - x2) + abs(y1 - y2); }\n\n\n\nconst int INF = 1L << 30;\n\nconst double EPS = 1e-9;\n\nconst std::string YES = \"YES\", Yes = \"Yes\", NO = \"NO\", No = \"No\";\n\nconst std::vector<int> dy4 = { 0, 1, 0, -1 }, dx4 = { 1, 0, -1, 0 }; // 4\u8fd1\u508d\uff08\u53f3, \u4e0b, \u5de6, \u4e0a\uff09\n\nconst std::vector<int> dy8 = { 0, -1, 0, 1, 1, -1, -1, 1 }, dx8 = { 1, 0, -1, 0, 1, 1, -1, -1 };\n\n\n\nusing namespace std;\n\n\n\n\n\nlong long myPow(long long x, long long n, long long mod){\n\n if(n == 0) {\n\n return 1;\n\n }\n\n if(n % 2 == 0) {\n\n return myPow(x * x % mod, n / 2, mod);\n\n }\n\n else {\n\n return x * myPow(x, n - 1, mod) % mod;\n\n }\n\n}\n\n\n\nint main() {\n\n cin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\tLL MOD = 1000000000 + 7;\n\n\n\n\tstring S;\n\n\tcin >> S;\n\n\tint N = S.size();\n\n\n\n vector<LL> A(N), C(N);\n\n int num_q = 0;\n\n int num_a = 0;\n\n for(int i = 0; i < N; ++i) {\n\n if (S[i] == 'A') {\n\n num_a++;\n\n }\n\n else if (S[i] == '?') {\n\n num_q++;\n\n }\n\n\n\n A[i] += num_a * myPow(3, num_q, MOD);\n\n if (num_q > 0) {\n\n A[i] += (num_q) * (myPow(3, (num_q - 1), MOD));\n\n }\n\n\n\n A[i] %= MOD;\n\n }\n\n\n\n num_q = 0;\n\n int num_c = 0;\n\n for (int i = N - 1; i >= 0; --i) {\n\n if (S[i] == 'C') {\n\n num_c++;\n\n }\n\n else if (S[i] == '?') {\n\n num_q++;\n\n }\n\n\n\n C[i] += num_c * myPow(3, num_q, MOD);\n\n if (num_q > 0) {\n\n C[i] += (num_q) * (myPow(3, (num_q - 1), MOD));\n\n }\n\n\n\n C[i] %= MOD;\n\n }\n\n\n\n LL ans = 0;\n\n FOR(i, 1, N - 1) {\n\n if (S[i] == 'B' or S[i] == '?') {\n\n ans = ans + (A[i - 1] * C[i + 1]);\n\n ans %= MOD;\n\n }\n\n }\n\n\n\n print(ans % MOD);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001896"}761{"label": "pie_cpp_validation_001897", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 15, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 15, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001897.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001897", "task_path": "tasks/validation/pie_cpp_validation_001897.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <vector>\n\nusing namespace std;\n\nconst int MOD = (int)1e9 + 7;\n\ntemplate<class T> void add(T &a, T b) { (a += (b % MOD + MOD) % MOD) %= MOD; }\n\n\n\nint main() {\n\n string s; cin >> s;\n\n int n = s.length();\n\n vector<vector<int>> dp(n + 1, vector<int>(4));\n\n dp[0][0] = 1;\n\n for (int i = 0; i < n; i++) {\n\n for (int j = 0; j < 4; j++) {\n\n if (s[i] == 'A' || s[i] == '?') add(dp[i + 1][j], dp[i][j]);\n\n if (s[i] == 'B' || s[i] == '?') add(dp[i + 1][j], dp[i][j]);\n\n if (s[i] == 'C' || s[i] == '?') add(dp[i + 1][j], dp[i][j]);\n\n }\n\n {\n\n if (s[i] == 'A' || s[i] == '?') add(dp[i + 1][1], dp[i][0]);\n\n if (s[i] == 'B' || s[i] == '?') add(dp[i + 1][2], dp[i][1]);\n\n if (s[i] == 'C' || s[i] == '?') add(dp[i + 1][3], dp[i][2]);\n\n }\n\n }\n\n cout << dp[n][3] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001897"}762{"label": "pie_cpp_validation_001898", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001898.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001898", "task_path": "tasks/validation/pie_cpp_validation_001898.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <vector>\n\nusing namespace std;\n\nconst int MOD = (int)1e9 + 7;\n\ntemplate<class T> void add(T &a, T b) { (a += (b % MOD + MOD) % MOD) %= MOD; }\n\n\n\nlong long modpow(long long a, long long n, long long mod = MOD) {\n\n\tlong long res = 1;\n\n\twhile (n > 0) { if (n & 1) (res *= a) %= mod; (a *= a) %= mod; n >>= 1; }\n\n\treturn res;\n\n}\n\n\n\nint main() {\n\n const int inv = 111111112;\n\n string s; cin >> s;\n\n int a = 0,\n\n l = 0,\n\n c = count(begin(s), end(s), 'C'),\n\n r = count(begin(s), end(s), '?');\n\n long long ans = 0;\n\n auto calc = [&](int a, int l, int c, int r) {\n\n long long res = modpow(3, l + r) * inv % MOD;\n\n res = res * (a * 3 + l) % MOD;\n\n res = res * (c * 3 + r) % MOD;\n\n return res;\n\n };\n\n for (char ch: s) {\n\n if (ch == 'A') a++;\n\n if (ch == 'B') add(ans, calc(a, l, c, r));\n\n if (ch == 'C') c--;\n\n if (ch == '?') add(ans, calc(a, l++, c, --r));\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001898"}763{"label": "pie_cpp_validation_001899", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001899.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001899", "task_path": "tasks/validation/pie_cpp_validation_001899.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n\n\n#define MAXN 1000000\n\n#define MOD 1000000007\n\nchar str[MAXN+5];\n\nlong long Pow[MAXN+5];\n\nlong long A[MAXN+5],C[MAXN+5],M[MAXN+5],N[MAXN+5];\n\n\n\nint main(){\n\n Pow[0]=1;\n\n for(int i=1;i<=MAXN;i++)//\u521d\u59cb\u53163\u7684\u5e42\n\n Pow[i]=Pow[i-1]*3%MOD;\n\n scanf(\"%s\",str+1);\n\n int len=strlen(str+1);\n\n for(int i=1;i<=len;i++){\n\n A[i]=A[i-1]+(str[i]=='A');\n\n M[i]=M[i-1]+(str[i]=='?');\n\n }\n\n for(int i=len;i>=1;i--){\n\n C[i]=C[i+1]+(str[i]=='C');\n\n N[i]=N[i+1]+(str[i]=='?');\n\n }//\u8ba1\u7b97\u524d\u540e\u7f00\u548c\n\n long long Ans=0;\n\n for(int i=1;i<=len;i++){\n\n if(str[i]=='B'||str[i]=='?'){//\u95ee\u53f7\u5f53\u6210B\n\n Ans=(Ans+\n\n A[i]*C[i]*Pow[M[i-1]%MOD+N[i+1]]%MOD+\n\n A[i]*N[i+1]%MOD*Pow[M[i-1]+N[i+1]-1]%MOD+\n\n C[i]*M[i-1]%MOD*Pow[M[i-1]+N[i+1]-1]%MOD+\n\n Pow[M[i-1]+N[i+1]-2]*M[i-1]%MOD*N[i+1])%MOD;\n\n //\u51e0\u79cd\u60c5\u51b5\n\n }\n\n }\n\n printf(\"%lld\",Ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001899"}764{"label": "pie_cpp_validation_001900", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001900.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001900", "task_path": "tasks/validation/pie_cpp_validation_001900.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst int MAXN = 100000;\n\nconst ll MOD = 1000000007;\n\n\n\nll cntA[MAXN+1], cntB[MAXN+1], cntC[MAXN+1], cntQ[MAXN+1];\n\n\n\n// \u4e8c\u5206\u7d2f\u4e57\u6cd5\u306b\u3088\u308a\u3001x^n %mod \u3092\u6c42\u3081\u308b\n\nll mod_pow(ll x, ll n){\n\n if (n == 0) return 1;\n\n ll res = mod_pow(x * x %MOD, n / 2);\n\n // n\u304c\u5947\u6570\u306e\u5834\u5408, x^n = ((x^2)^(n/2)) * x\n\n if(n & 1) return res = res * x %MOD;\n\n // n\u304c\u5076\u6570\u306e\u5834\u5408\u3001x^n = (x^2)^(n/2)\n\n return res %MOD;\n\n}\n\n\n\nint main(){\n\n cin.tie(0);\n\n ios_base::sync_with_stdio(false);\n\n string s; cin >> s;\n\n int size = s.size();\n\n for(int i=0;i<size;i++){\n\n cntA[i+1] = cntA[i];\n\n cntB[i+1] = cntB[i];\n\n cntC[i+1] = cntC[i];\n\n cntQ[i+1] = cntQ[i];\n\n if(s[i] == 'A'){\n\n cntA[i+1] = cntA[i] + 1;\n\n }else if(s[i] == 'B'){\n\n cntB[i+1] = cntB[i] + 1;\n\n }else if(s[i] == 'C'){\n\n cntC[i+1] = cntC[i] + 1;\n\n }else{\n\n cntQ[i+1] = cntQ[i] + 1;\n\n }\n\n }\n\n ll ans = 0;\n\n for(int i=1;i<=size;i++){\n\n if(s[i-1] == 'B' || s[i-1] == '?'){\n\n ll leftA = cntA[i-1];\n\n ll leftQ = cntQ[i-1];\n\n ll rightC = cntC[size] - cntC[i];\n\n ll rightQ = cntQ[size] - cntQ[i];\n\n //cout << leftA << \" \" << leftQ << \" \" << rightC << \" \" << rightQ << endl;\n\n ans += ((leftA * rightC) %MOD) * mod_pow(3, (leftQ + rightQ));\n\n ans %= MOD;\n\n ans += ((leftA * rightQ) %MOD) * mod_pow(3, (leftQ + rightQ - 1));\n\n ans %= MOD;\n\n ans += ((leftQ * rightC) %MOD) * mod_pow(3, (leftQ + rightQ - 1));\n\n ans %= MOD;\n\n ans += ((leftQ * rightQ) %MOD) * mod_pow(3, (leftQ + rightQ - 2));\n\n ans %= MOD;\n\n // cout << ans << endl;\n\n }\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001900"}765{"label": "pie_cpp_validation_001901", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001901.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001901", "task_path": "tasks/validation/pie_cpp_validation_001901.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define MOD 1000000007\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n int N = S.size();\n\n long long dp[100001][4] = {};\n\n for(int i=N; i>=0; --i) {\n\n for(int j=3; j>=0; --j) {\n\n if(i==N) {\n\n dp[i][j] = (j == 3 ? 1LL : 0LL);\n\n continue;\n\n }\n\n dp[i][j] = dp[i+1][j] * (S[i] == '?' ? 3LL : 1LL);\n\n if(j < 3 && (S[i] == '?' || S[i] == \"ABC\"[j])) {\n\n dp[i][j] += dp[i+1][j+1];\n\n }\n\n dp[i][j] %= MOD;\n\n }\n\n }\n\n cout << dp[0][0] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001901"}766{"label": "pie_cpp_validation_001902", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001902.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001902", "task_path": "tasks/validation/pie_cpp_validation_001902.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <string>\n\n#include <vector>\n\n#include <math.h>\n\n#define MOD 1000000007\n\ntypedef long long ll;\n\nusing namespace std;\n\n\n\nint main(){\n\n string s;\n\n int n;\n\n cin>>s;\n\n n=s.size();\n\n ll a[n+1]={};\n\n ll b[n+1]={};\n\n ll c[n+1]={};\n\n ll q[n+1]={};\n\n if(s[0]=='A') a[0]=1;\n\n if(s[0]=='B') b[0]=1;\n\n if(s[0]=='C') c[0]=1;\n\n if(s[0]=='?') q[0]=1;\n\n for(int i=1;i<n;i++){\n\n a[i]=a[i-1];\n\n b[i]=b[i-1];\n\n c[i]=c[i-1];\n\n q[i]=q[i-1];\n\n if(s[i]=='A') a[i]++;\n\n if(s[i]=='B') b[i]++;\n\n if(s[i]=='C') c[i]++;\n\n if(s[i]=='?') q[i]++;\n\n }\n\n ll A=a[n-1];\n\n ll B=b[n-1];\n\n ll C=c[n-1];\n\n ll Q=q[n-1];\n\n//cout<<A<<B<<C<<Q<<endl;\n\n ll ans=0;\n\n\n\n ll three[n+1]={};\n\n three[0]=1;\n\n for(int i=1;i<=n;i++){\n\n three[i]=three[i-1]*3%MOD;\n\n }\n\n\n\n for(int i=1;i<n;i++){\n\n if(s[i]=='B'||s[i]=='?'){\n\n if(q[i-1]==0&&Q-q[i]==0){\n\n ans=ans+(a[i]*(C-c[i])%MOD)%MOD;\n\n }else if(q[i-1]==0){\n\n ans=ans+(a[i]*((3*(C-c[i])%MOD+Q-q[i])%MOD)%MOD*three[Q-q[i]-1])%MOD;\n\n }else if(Q-q[i]==0){\n\n ans=ans+(3*a[i]%MOD+q[i-1])%MOD*three[q[i-1]-1]%MOD*(C-c[i]);\n\n }else{\n\n ans=ans+(3*a[i]%MOD+q[i-1])%MOD*three[q[i-1]-1]%MOD*(3*(C-c[i])%MOD+Q-q[i])%MOD*three[Q-q[i]-1]%MOD;\n\n }\n\n ans%=MOD;\n\n }\n\n }\n\n\n\n cout<<(ans+MOD)%MOD<<endl;\n\n\n\n\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001902"}767{"label": "pie_cpp_validation_001903", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 44, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 44, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001903.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001903", "task_path": "tasks/validation/pie_cpp_validation_001903.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n// May this submission get accepted!\n\n\n\n#pragma GCC optimize (\"O3\")\n\n#pragma GCC target (\"tune=native\")\n\n#pragma GCC target (\"avx\")\n\n\n\n#include <bits/stdc++.h>\n\n\n\n// \u6c4e\u7528\u30de\u30af\u30ed\n\n#define ALL_OF(x) (x).begin(), (x).end()\n\n#define REP(i,n) for (long long i=0, i##_len=(n); i<i##_len; i++)\n\n#define RANGE(i,is,ie) for (long long i=(is), i##_end=(ie); i<=i##_end; i++)\n\n#define DSRNG(i,is,ie) for (long long i=(is), i##_end=(ie); i>=i##_end; i--)\n\n#define UNIQUE(v) { sort((v).begin(), (v).end()); (v).erase(unique((v).begin(), (v).end()), (v).end()); }\n\ntemplate<class T> bool chmax(T &a, const T &b) {if (a < b) {a = b; return true;} return false; }\n\ntemplate<class T> bool chmin(T &a, const T &b) {if (a > b) {a = b; return true;} return false; }\n\n#define INF 0x7FFFFFFF\n\n#define LINF 0x7FFFFFFFFFFFFFFFLL\n\n#define Yes(q) ((q) ? \"Yes\" : \"No\")\n\n#define YES(q) ((q) ? \"YES\" : \"NO\")\n\n#define Possible(q) ((q) ? \"Possible\" : \"Impossible\")\n\n#define POSSIBLE(q) ((q) ? \"POSSIBLE\" : \"IMPOSSIBLE\")\n\n#define DUMP(q) cerr << \"[DEBUG] \" #q \": \" << (q) << \" at \" __FILE__ \":\" << __LINE__ << endl\n\n#define DUMPALL(q) { cerr << \"[DEBUG] \" #q \": [\"; REP(i, (q).size()) { cerr << (q)[i] << (i == i_len-1 ? \"\" : \", \"); } cerr << \"] at \" __FILE__ \":\" << __LINE__ << endl; }\n\ntemplate<class T> T gcd(const T &a, const T &b) { return a < b ? gcd(b, a) : b ? gcd(b, a % b) : a; }\n\ntemplate<class T> T lcm(const T &a, const T &b) { return a / gcd(a, b) * b; }\n\n\n\n// gcc\u62e1\u5f35\u30de\u30af\u30ed\n\n#define popcount __builtin_popcount\n\n#define popcountll __builtin_popcountll\n\n\n\n// \u30a8\u30a4\u30ea\u30a2\u30b9\n\n#define DANCE_ long\n\n#define ROBOT_ unsigned\n\n#define HUMAN_ signed\n\n#define CHOKUDAI_ const\n\nusing ll = DANCE_ HUMAN_ DANCE_;\n\nusing ull = DANCE_ ROBOT_ DANCE_;\n\nusing cll = DANCE_ DANCE_ CHOKUDAI_;\n\nusing ld = long double;\n\nusing namespace std;\n\n\n\n// \u30e2\u30b8\u30e5\u30fc\u30eb\n\nconstexpr ll p = 1000000007LL;\n\n// \u884c\u5217\u7d2f\u4e57; 1e9+7\u3067\u5272\u3063\u305f\u3042\u307e\u308a\u3092\u6c42\u3081\u305f\u3044\u5834\u5408\u306f\u9069\u5b9c\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3092\u89e3\u9664\n\n\n\n// \u5358\u4f4d\u884c\u5217; idtm<\u578b>(\u5927\u304d\u3055)\n\ntemplate<typename T>\n\nvector<vector<T>> idtm(const size_t n) {\n\n vector<vector<T>> r(n, vector<T>(n, 0));\n\n REP(i, n) r[i][i] = 1;\n\n return r;\n\n}\n\n\n\n// \u884c\u5217\u306e\u7a4d\n\ntemplate<typename T>\n\nvector<vector<T>> mltm(const vector<vector<T>> &a, const vector<vector<T>> &b) {\n\n ull m = a.size(), q = b.size(), r = b[0].size();\n\n vector<vector<T>> c(m, vector<T>(r, (T)0));\n\n REP(i, m) REP(j, r) {\n\n REP(k, m) {\n\n // c[i][j] += a[i][k] * b[k][j];\n\n c[i][j] += a[i][k] * b[k][j] % p; c[i][j] %= p;\n\n }\n\n }\n\n return c;\n\n}\n\n\n\n// \u884c\u5217\u306e\u7d2f\u4e57\n\ntemplate<typename T>\n\nvector<vector<T>> powm(const vector<vector<T>> &a, const ll n) {\n\n if (n == 0) {\n\n return idtm<T>(a.size());\n\n } else if (n == 1) {\n\n return a;\n\n } else if (n % 2 == 0) {\n\n vector<vector<T>> t = powm(a, n/2);\n\n return mltm(t, t);\n\n } else {\n\n vector<vector<T>> t = powm(a, n/2);\n\n return mltm(mltm(t, t), a);\n\n }\n\n}\n\n\n\n// \u51e6\u7406\u5185\u5bb9\n\nint main() {\n\n\n\n string s; cin >> s;\n\n \n\n vector<vector<ll>> x0 = {\n\n {0},\n\n {0},\n\n {0},\n\n {1}\n\n };\n\n vector<vector<ll>> a_a = {\n\n {1, 0, 0, 1},\n\n {0, 1, 0, 0},\n\n {0, 0, 1, 0},\n\n {0, 0, 0, 1}\n\n };\n\n vector<vector<ll>> a_b = {\n\n {1, 0, 0, 0},\n\n {1, 1, 0, 0},\n\n {0, 0, 1, 0},\n\n {0, 0, 0, 1}\n\n };\n\n vector<vector<ll>> a_c = {\n\n {1, 0, 0, 0},\n\n {0, 1, 0, 0},\n\n {0, 1, 1, 0},\n\n {0, 0, 0, 1}\n\n \n\n };\n\n vector<vector<ll>> a_any = {\n\n {3, 0, 0, 1},\n\n {1, 3, 0, 0},\n\n {0, 1, 3, 0},\n\n {0, 0, 0, 3}\n\n };\n\n\n\n vector<vector<ll>> a = idtm<ll>(4);\n\n REP(i, s.size()) {\n\n switch(s[i]) {\n\n case '?':\n\n a = mltm(a_any, a);\n\n break;\n\n case 'A':\n\n a = mltm(a_a, a);\n\n break;\n\n case 'B':\n\n a = mltm(a_b, a);\n\n break;\n\n case 'C':\n\n a = mltm(a_c, a);\n\n break;\n\n }\n\n }\n\n vector<vector<ll>> x = mltm(a, x0);\n\n cout << x[2][0] << endl;\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001903"}768{"label": "pie_cpp_validation_001904", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001904.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001904", "task_path": "tasks/validation/pie_cpp_validation_001904.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int MOD = 1e9 + 7;\n\ntypedef vector<ll> vll;\n\n\n\nll powMod(ll n, ll p) {\n\n if (p < 0) return 0;\n\n else if (p == 0) return 1;\n\n else if (p & 1) return n * powMod(n, p - 1) % MOD;\n\n else {\n\n ll half = powMod(n, p >> 1) % MOD;\n\n return (half * half) % MOD;\n\n }\n\n}\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n ll ans = 0;\n\n int len = s.length();\n\n vll a(len);\n\n vll c(len);\n\n vll ql(len);\n\n vll qr(len);\n\n for (int i = 0; i < len - 1; ++i) {\n\n if (s[i] == 'A') a[i + 1] = a[i] + 1;\n\n else a[i + 1] = a[i];\n\n if (s[i] == '?') ql[i + 1] = ql[i] + 1;\n\n else ql[i + 1] = ql[i];\n\n }\n\n for (int i = len - 1; i > 1; --i) {\n\n if (s[i] == 'C') c[i - 1] = c[i] + 1;\n\n else c[i - 1] = c[i];\n\n if (s[i] == '?') qr[i - 1] = qr[i] + 1;\n\n else qr[i - 1] = qr[i];\n\n }\n\n for (int i = 1; i < len - 1; ++i) {\n\n if (s[i] == 'B' || s[i] == '?') {\n\n ll t1 = (a[i] * c[i] % MOD) * (powMod(3, ql[i]) * powMod(3, qr[i]) % MOD) % MOD;\n\n ll t2 = (a[i] * qr[i] % MOD) * (powMod(3, ql[i]) * powMod(3, qr[i] - 1) % MOD) % MOD;\n\n ll t3 = (c[i] * ql[i] % MOD) * (powMod(3, qr[i]) * powMod(3, ql[i] - 1) % MOD) % MOD;\n\n ll t4 = (ql[i] * qr[i] % MOD) * (powMod(3, ql[i] - 1) * powMod(3, qr[i] - 1) % MOD) % MOD;\n\n ans += (t1 + t2 + t3 + t4) % MOD;\n\n ans %= MOD;\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001904"}769{"label": "pie_cpp_validation_001905", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001905.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001905", "task_path": "tasks/validation/pie_cpp_validation_001905.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst ll MOD = 1e9 + 7;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n vector<vector<ll>> dp(s.length() + 1, vector<ll>(4));\n\n dp[0][0] = 1;\n\n dp[0][1] = dp[0][2] = dp[0][3] = 0;\n\n ll n = s.length();\n\n for (int i = 0; i < n; ++i) {\n\n dp[i + 1][0] = (s[i] == '?' ? 3ll : 1ll) * dp[i][0] % MOD;\n\n for (int j = 1; j <= 3; ++j) {\n\n dp[i + 1][j] = (s[i] == '?' ? 3ll : 1ll) * dp[i][j] % MOD;\n\n if (s[i] == '?' || s[i] == \"ABC\"[j - 1]) {\n\n dp[i + 1][j] += dp[i][j - 1];\n\n dp[i + 1][j] %= MOD;\n\n }\n\n }\n\n }\n\n cout << dp[n][3] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001905"}770{"label": "pie_cpp_validation_001906", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001906.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001906", "task_path": "tasks/validation/pie_cpp_validation_001906.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i,n) for(int i=0;i<(int)(n);i++)\n\n#define FOR(i,n,m) for(int i=(int)(n); i<=(int)(m); i++)\n\n#define RFOR(i,n,m) for(int i=(int)(n); i>=(int)(m); i--)\n\n#define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)\n\n#define RITR(x,c) for(__typeof(c.rbegin()) x=c.rbegin();x!=c.rend();x++)\n\n#define setp(n) fixed << setprecision(n)\n\n\n\ntemplate<class T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }\n\ntemplate<class T> bool chmin(T &a, const T &b) { if (a>b) { a=b; return 1; } return 0; }\n\n\n\n#define ll long long\n\n#define vll vector<ll>\n\n#define vi vector<int>\n\n#define pll pair<ll,ll>\n\n#define pi pair<int,int>\n\n\n\n#define all(a) (a.begin()),(a.end())\n\n#define rall(a) (a.rbegin()),(a.rend())\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define mp make_pair\n\n#define ins insert\n\n\n\nusing namespace std;\n\n\n\n//-------------------------------------------------\n\n//--ModInt\n\n//-------------------------------------------------\n\nconst ::std::uint_fast64_t MOD = 1e9+7;\n\n\n\nclass mint\n\n{\n\nprivate:\n\n using value_type = ::std::uint_fast64_t;\n\n value_type n;\n\npublic:\n\n mint():n(0){}\n\n mint(::std::int_fast64_t _n):n(_n<0 ? MOD-(-_n)%MOD : _n%MOD){}\n\n mint(const mint &m):n(m.n){}\n\n\n\n friend ::std::ostream& operator<<(::std::ostream &os, const mint &a){\n\n\t\treturn os << a.n;\n\n\t}\n\n friend ::std::istream& operator>>(::std::istream &is, mint &a){\n\n value_type temp; is>>temp;\n\n a = mint(temp);\n\n return is;\n\n }\n\n\n\n mint& operator+=(const mint &m){n+=m.n; n=(n<MOD)?n:n-MOD; return *this;}\n\n mint& operator-=(const mint &m){n+=MOD-m.n; n=(n<MOD)?n:n-MOD; return *this;}\n\n mint& operator*=(const mint &m){n=n*m.n%MOD; return *this;}\n\n mint& operator/=(const mint &m){return *this*=m.inv();}\n\n mint& operator++(){return *this+=1;}\n\n mint& operator--(){return *this-=1;}\n\n\n\n mint operator+(const mint &m) const {return mint(*this)+=m;}\n\n mint operator-(const mint &m) const {return mint(*this)-=m;}\n\n mint operator*(const mint &m) const {return mint(*this)*=m;}\n\n mint operator/(const mint &m) const {return mint(*this)/=m;}\n\n mint operator++(int){mint t(*this); *this+=1; return t;}\n\n mint operator--(int){mint t(*this); *this-=1; return t;}\n\n\n\n mint operator==(const mint &m) const {return n==m.n;}\n\n mint operator!=(const mint &m) const {return n!=m.n;}\n\n mint operator-() const {return mint(MOD-n);}\n\n\n\n mint pow(value_type b) const {\n\n mint ret(1), m(*this);\n\n while(b){\n\n if (b & 1) ret*=m;\n\n m*=m;\n\n b>>=1;\n\n }\n\n return ret;\n\n }\n\n\n\n mint inv() const {return pow(MOD-2);}\n\n};\n\n\n\n//-------------------------------------------------\n\n\n\nint main(void)\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string s; cin>>s;\n\n int n=s.size();\n\n int A=0,C=0,LQ=0,RQ=0;\n\n rep(i,n){\n\n if (s[i]=='C') C++;\n\n if (s[i]=='?') RQ++;\n\n }\n\n mint ans=0;\n\n rep(i,n-1){\n\n if (i>0 && s[i-1]=='A') A++;\n\n if (i>0 && s[i-1]=='?') LQ++;\n\n if (s[i]=='C') C--;\n\n if (s[i]=='?') RQ--;\n\n if (s[i]=='A'||s[i]=='C') continue;\n\n mint sumA = mint(3).pow(LQ)*A;\n\n if (LQ>0) sumA+=mint(3).pow(LQ-1)*LQ;\n\n mint sumC = mint(3).pow(RQ)*C;\n\n if (RQ>0) sumC+=mint(3).pow(RQ-1)*RQ;\n\n ans+=sumA*sumC;\n\n }\n\n cout<<ans<<\"\\n\";\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001906"}771{"label": "pie_cpp_validation_001907", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001907.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001907", "task_path": "tasks/validation/pie_cpp_validation_001907.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <math.h>\n\n#include <string>\n\n#define rep(i,s,n)for(int i = s;i<n;i++)\n\n#define rep_r(i,s,n)for(int i = n-1;i>=0;i--)\n\n#define repe(i,s,n)for(int i = s;i<=n;i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\nstatic const ll MOD = 1000000007;// 1e9 + 7;\n\n\n\nll a[100001];\n\nll aq[100001];\n\nll c[100001];\n\nll cq[100001];\n\n\n\nll Pow(ll n, ll p) {\n\n\tif (p == 0)return 1;\n\n\tif (p == 1)return n;\n\n\tll t = Pow(n, p / 2);\n\n\tif (p & 1) return (t * t % MOD) * n % MOD;\n\n\telse return t * t % MOD;\n\n}\n\nstring s;\n\nint main() {\n\n\tcin >> s;\n\n\n\n\trep(i, 0, s.size()) {\n\n\t\tif (s[i] == 'A') {\n\n\t\t\ta[i]++;\n\n\t\t\tif (i > 0) {\n\n\t\t\t\ta[i] += a[i - 1];\n\n\t\t\t\taq[i] = aq[i - 1];\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if (s[i] == '?') {\n\n\t\t\taq[i]++;\n\n\t\t\tif (i > 0) {\n\n\t\t\t\taq[i] += aq[i - 1];\n\n\t\t\t\ta[i] = a[i - 1];\n\n\t\t\t}\n\n\t\t}\n\n\t\telse {\n\n\t\t\ta[i] = a[i - 1];\n\n\t\t\taq[i] = aq[i - 1];\n\n\t\t}\n\n\t}\n\n\n\n\trep_r(i, 0, s.size()) {\n\n\t\tif (s[i] == 'C') {\n\n\t\t\tc[i]++;\n\n\t\t\tif (i < s.size() - 1) {\n\n\t\t\t\tc[i] += c[i + 1];\n\n\t\t\t\tcq[i] = cq[i + 1];\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if (s[i] == '?') {\n\n\t\t\tcq[i]++;\n\n\t\t\tif (i < s.size() - 1) {\n\n\t\t\t\tcq[i] += cq[i + 1];\n\n\t\t\t\tc[i] = c[i + 1];\n\n\t\t\t}\n\n\t\t}\n\n\t\telse {\n\n\t\t\tc[i] = c[i + 1];\n\n\t\t\tcq[i] = cq[i + 1];\n\n\t\t}\n\n\t}\n\n\n\n\tll ans = 0;\n\n\trep(i, 1, s.size() - 1) {\n\n\t\tll A,C;\n\n\n\n\t\tif (s[i] == 'B' || s[i] == '?') {\n\n\t\t\tA = a[i - 1] * Pow(3,aq[i-1]) % MOD; // select A on l\n\n\t\t\tif (aq[i - 1] > 0) {\n\n\t\t\t\tA += aq[i - 1] * Pow(3, aq[i - 1] - 1) % MOD; // select ? on l\n\n\t\t\t}\n\n\n\n\t\t\tC = c[i + 1] * Pow(3, cq[i + 1]) % MOD; // select C on r\n\n\t\t\tif (cq[i + 1] > 0) {\n\n\t\t\t\tC += cq[i+1] * Pow(3, cq[i + 1] - 1) % MOD;\n\n\t\t\t}\n\n\n\n\t\t\tans += A * C % MOD;\n\n\t\t}\n\n\t}\n\n\tcout << ans % MOD << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001907"}772{"label": "pie_cpp_validation_001908", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001908.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001908", "task_path": "tasks/validation/pie_cpp_validation_001908.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nusing Int = long long;\n\nsigned main(){\n\n string s;\n\n cin>>s;\n\n const Int MOD = 1e9+7;\n\n Int n=s.size();\n\n Int x=0,y=0,z=0,r=1;\n\n Int inv=(1+MOD)/3;\n\n for(Int i=0;i<n;i++){\n\n if(s[i]=='C'||s[i]=='?') z+=y*(s[i]=='?'?inv:1);\n\n if(s[i]=='B'||s[i]=='?') y+=x*(s[i]=='?'?inv:1);\n\n if(s[i]=='A'||s[i]=='?') x+=1*(s[i]=='?'?inv:1);\n\n if(s[i]=='?') r*=3;\n\n x%=MOD;y%=MOD;z%=MOD;r%=MOD;\n\n }\n\n z*=r;\n\n z%=MOD;\n\n cout<<z<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001908"}773{"label": "pie_cpp_validation_001909", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 25, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 25, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001909.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001909", "task_path": "tasks/validation/pie_cpp_validation_001909.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for (int i = 0; i < (int)(n); i++)\n\n#define REP(i,n) for (int i = 1; i < (int)(n); i++)\n\n#define all(x) x.begin(),x.end()\n\n#define rall(x) x.rbegin(),x.rend()\n\n#define debug(var) do{cout << #var << \" : \"; view(var);}while(0)\n\ntemplate<class T> bool chmin(T &a, T b) {if(a>b) {a=b;return 1;}return 0;}\n\ntemplate<class T> bool chmax(T &a, T b) {if(a<b) {a=b;return 1;}return 0;}\n\nusing namespace std;\n\ntemplate<class T> void view(T e) {cout << e << endl;}\n\ntemplate<class T> void view(const vector<T> &v) {for(const auto &e : v){cout << e << \" \";} cout << endl;}\n\ntemplate<class T> void view(const vector<vector<T>> &vv) {for(const auto &v : vv){view(v);}}\n\nusing vint = vector<int>;\n\nusing vvint = vector<vector<int>>;\n\nusing ll = long long;\n\nusing vll = vector<ll>;\n\nusing vvll = vector<vector<ll>>;\n\nusing P = pair<int,int>;\n\nconst int inf = 1e9+10;\n\nconst ll inf_l = 1e18;\n\nconst int MAX = 1e5;\n\n\n\nconst int mod = 1e9+7;\n\nstruct mint {\n\n ll x;\n\n mint (ll x = 0) : x((x%mod+mod)%mod) {}\n\n mint operator -() const {return mint(-x);}\n\n mint& operator +=(const mint a) {\n\n if ((x += a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator -=(const mint a) {\n\n if ((x += mod-a.x) >= mod) x -= mod;\n\n return *this;\n\n }\n\n mint& operator *=(const mint a) {(x *= a.x) %= mod; return *this;}\n\n mint operator +(const mint a) const {return mint(*this) += a;}\n\n mint operator -(const mint a) const {return mint(*this) -= a;}\n\n mint operator *(const mint a) const {return mint(*this) *= a;}\n\n mint pow(ll t) const {\n\n if (!t) return 1;\n\n mint a = pow(t>>1);\n\n a *= a;\n\n if (t&1) a *= *this;\n\n return a;\n\n }\n\n mint inv() const {return pow(mod-2);}\n\n mint operator /=(const mint a) {return *this *= a.inv();}\n\n mint operator /(const mint a) {return mint(*this) /= a;}\n\n};\n\nistream& operator >>(istream &is, const mint &a) {return is >> a.x;}\n\nostream& operator <<(ostream &os, const mint &a) {return os << a.x;}\n\n\n\nint main() {\n\n string s; cin >> s;\n\n int n = s.size();\n\n vint n_question(n+1,0), n_C(n+1,0);\n\n REP(i,n+1) {\n\n n_question[i] += n_question[i-1];\n\n n_C[i] += n_C[i-1];\n\n if (s[i-1] == '?') n_question[i]++;\n\n if (s[i-1] == 'C') n_C[i]++;\n\n }\n\n vector<mint> T(n-1,0);\n\n REP(i,n-1) {\n\n if (s[i] != 'B' && s[i] != '?') continue;\n\n int z = n_question[n] - n_question[i+1];\n\n int c = n_C[n] - n_C[i+1];\n\n T[i] += mint(3).pow(z)*c;\n\n if (z != 0) T[i] += mint(3).pow(z-1)*z;\n\n T[i] *= mint(3).pow(n_question[i]);\n\n }\n\n REP(i,n-1) T[i] += T[i-1];\n\n mint ans = 0;\n\n rep(i,n-2) {\n\n mint v = 0;\n\n if (s[i] == 'A' || s[i] == '?') {\n\n v += (T[n-2]-T[i])/mint(3).pow(n_question[i+1]);\n\n v *= mint(3).pow(n_question[i]);\n\n }\n\n ans += v;\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001909"}774{"label": "pie_cpp_validation_001910", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001910.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001910", "task_path": "tasks/validation/pie_cpp_validation_001910.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <vector>\n\n#include <map>\n\n#include <set>\n\n#include <queue>\n\n#include <numeric>\n\n#include <bitset>\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ld = long double;\n\nconst ll mod = 1000000007;\n\n\n\n#define REP(i, n) for (ll i = 0; i < (n); ++i)\n\n#define REP_FROM(i, j, n) for (ll i = (j); i < (n); ++i)\n\n#define all(x) (x).begin(),(x).end()\n\n\n\nll power(ll base, ll exponent, ll module){ if(exponent % 2){ return power(base, exponent - 1, module) * base % module; }else if(exponent){ ll root_ans = power(base, exponent / 2, module); return root_ans * root_ans % module; }else{ return 1; }}\n\nll inverse(ll x){ return power(x, mod - 2, mod);}\n\nll gcd(ll a, ll b) {if(a < b) gcd(b, a);ll r;while(r=a%b) {a=b;b=r;}return b;}\n\nstruct combination{ vector<ll> fact, inv; combination(int sz) : fact(sz + 1), inv(sz + 1){ fact[0] = 1; for(int i = 1; i <= sz; i++){ fact[i] = fact[i - 1] * i % mod; } inv[sz] = power(fact[sz], mod - 2, mod); for(int i = sz - 1; i >= 0; i--){ inv[i] = inv[i + 1] * (i + 1) % mod; } } ll C(int p, int q) const{ if(q < 0 || p < q) return 0; return (fact[p] * inv[q] % mod * inv[p - q] % mod); } };\n\n\n\nint bsearch(const vector<ll>& a, ll x){\n\n int lft = 0;\n\n int rgt = a.size();\n\n while (rgt - lft > 1) {\n\n int mid = (lft + rgt) / 2;\n\n if(a[mid] < x) {\n\n lft = mid;\n\n }\n\n else {\n\n rgt = mid;\n\n }\n\n }\n\n return lft;\n\n}\n\n\n\n\n\nsigned main() {\n\n ios::sync_with_stdio(false);\n\n string t;\n\n cin >> t;\n\n ll n = t.size();\n\n vector<vector<ll>> dp(n+1, vector<ll>(4));\n\n ll ans = 0;\n\n dp[0][0] = 1;\n\n REP(i, n) {\n\n if(t[i] == '?') {\n\n REP(j, 4) {\n\n dp[i+1][j] = 3 * dp[i][j];\n\n }\n\n REP(j, 3) {\n\n dp[i+1][j+1] += dp[i][j];\n\n }\n\n }\n\n else {\n\n REP(j, 4) {\n\n dp[i+1][j] = dp[i][j];\n\n }\n\n int j = t[i] - 'A';\n\n dp[i+1][j+1] += dp[i][j];\n\n }\n\n REP(j, 4) dp[i+1][j] %= mod;\n\n }\n\n cout << dp[n][3] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001910"}775{"label": "pie_cpp_validation_001911", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001911.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001911", "task_path": "tasks/validation/pie_cpp_validation_001911.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define pb push_back\n\n#define all(a) a.begin(), a.end()\n\n#define sz(a) (int)a.size()\n\n#define x first\n\n#define y second\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long double ld;\n\ntypedef pair<int, int>pii;\n\nconst int maxn=1e5+100;\n\nconst int mod=1e9+7;\n\nll A[maxn], B[maxn], C[maxn];\n\nstring s;\n\nll pwr(ll num, ll pw)\n\n{\n\n ll res=1;\n\n while(pw>0)\n\n {\n\n if(pw&1)res=(res*num)%mod;\n\n num=(num*num)%mod;\n\n pw>>=1;\n\n }\n\n return res;\n\n}\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(false), cin.tie(0);\n\n string s;\n\n cin>>s;\n\n int q=0, a=0;\n\n for(int i=0; i<sz(s); i++)\n\n {\n\n if(s[i]=='A')a++;\n\n if(s[i]=='?')q++;\n\n A[i]=(a*pwr(3, q)+q*pwr(3, q-1))%mod;\n\n }\n\n\n\n for(int i=1; i<sz(s); i++)\n\n {\n\n B[i]=B[i-1];\n\n if(s[i]=='B')B[i]=(B[i]+A[i-1])%mod;\n\n if(s[i]=='?')B[i]=((B[i]+A[i-1])%mod+(B[i-1]*2)%mod)%mod;\n\n }\n\n\n\n ll ans=0;\n\n\n\n for(int i=2; i<sz(s); i++)\n\n {\n\n C[i]=C[i-1];\n\n if(s[i]=='C')C[i]=(C[i]+B[i-1])%mod;\n\n if(s[i]=='?')C[i]=((C[i]+B[i-1])%mod+(C[i-1]*2)%mod)%mod;\n\n }\n\n cout<<C[sz(s)-1]<<\"\\n\";\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001911"}776{"label": "pie_cpp_validation_001912", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001912.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001912", "task_path": "tasks/validation/pie_cpp_validation_001912.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep2(x,fr,to) for(int (x)=(fr);(x)<(to);(x)++)\n\n#define rep(x,to) for(int (x)=0;(x)<(to);(x)++)\n\n#define repr(x,fr,to) for(int (x)=(fr);(x)>=(to);(x)--)\n\n#define all(c) (c).begin(),(c).end()\n\n#define sz(v) (int)(v).size()\n\n\n\nusing namespace std;\n\ntypedef long long ll; typedef vector<int> VI; typedef pair<int,int> pii;\n\n\n\nconst int mod = (int)1e9 + 7;\n\nvoid dbg(){ cerr << \"\\n\"; } template <typename T,typename ...T2>\n\nvoid dbg(const T& fst, const T2&...rst){ cerr << fst << \": \"; dbg(rst...); }\n\nconst int dr[]={0,1,0,-1,0};\n\n\n\n\n\nll f(ll n, ll x=3){\n\n\tll res = 1LL;\n\n\tfor(; n > 0; n >>=1, x = x*x %mod) if(n & 1) res = res * x %mod;\n\n\treturn res;\n\n}\n\n\n\nll f2(ll a,ll b){\n\n return (a * f(b) %mod + (b * f(b-1))%mod) %mod;\n\n}\n\nint main()\n\n{\n\n\t\n\n\t//cin.tie(0); ios_base::sync_with_stdio(false);\n\n\tstring s; cin >>s;\n\n\t\n\n\tint n=sz(s);\n\n\tvector<ll> sma(n+1), smc(n+1), smh(n+1);\n\n\trep(i,n){\n\n\t\tsma[i+1] = sma[i] + (s[i]=='A' );\n\n\t\tsmc[i+1] = smc[i] + (s[i]=='C' );\n\n\t\tsmh[i+1] = smh[i] + ( s[i]=='?');\n\n\t}\n\n\tll ans = 0;\n\n\trep2(i,1,n-1) if(s[i] =='B' || s[i]=='?'){\n\n\t\tll z1 = f2(sma[i], smh[i]);\n\n\t\tll z2 = f2(smc[n] - smc[i+1], smh[n] - smh[i+1]);\n\n\t\tans = (ans + (z1*z2)%mod) % mod;\n\n\t\t//dbg(i, z1,z2, ans);\n\n\t}\n\n\tcout << ans << \"\\n\";\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001912"}777{"label": "pie_cpp_validation_001913", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001913.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001913", "task_path": "tasks/validation/pie_cpp_validation_001913.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define int long long\n\n\n\nconst int mod=1e9+7;\n\n\n\nint mod_pow(int x,int n)\n\n{\n\n int res=1;\n\n while(n>0){\n\n if(n&1) res=res*x%mod;\n\n x=x*x%mod;\n\n n>>=1;\n\n }\n\n return res;\n\n}\n\n\n\nsigned main()\n\n{\n\n string s; cin>>s;\n\n int N=s.size();\n\n\n\n vector<int> sumA(N+1);\n\n vector<int> sumC(N+1);\n\n vector<int> sumX(N+1);\n\n\n\n for(int i=0;i<N;i++){\n\n sumA[i+1]=sumA[i]+(s[i]=='A');\n\n sumC[i+1]=sumC[i]+(s[i]=='C');\n\n sumX[i+1]=sumX[i]+(s[i]=='?');\n\n }\n\n\n\n int ans=0;\n\n for(int i=1;i<=N-2;i++){\n\n if(s[i]=='B' or s[i]=='?'){\n\n {\n\n ans+=sumA[i]*(sumC[N]-sumC[i+1])%mod*mod_pow(3,sumX[i]+(sumX[N]-sumX[i+1]))%mod;\n\n ans%=mod;\n\n }\n\n if(sumX[N]-sumX[i+1]>0){\n\n ans+=sumA[i]*(sumX[N]-sumX[i+1])%mod*mod_pow(3,sumX[i]+(sumX[N]-sumX[i+1]-1))%mod;\n\n ans%=mod;\n\n }\n\n if(sumX[i]>0){\n\n ans+=sumX[i]*(sumC[N]-sumC[i+1])%mod*mod_pow(3,(sumX[i]-1)+(sumX[N]-sumX[i+1]))%mod;\n\n ans%=mod;\n\n }\n\n if(sumX[i]>0 and sumX[N]-sumX[i+1]>0){\n\n ans+=sumX[i]*(sumX[N]-sumX[i+1])%mod*mod_pow(3,(sumX[i]-1)+(sumX[N]-sumX[i+1]-1))%mod;\n\n ans%=mod;\n\n }\n\n }\n\n }\n\n cout<<ans<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001913"}778{"label": "pie_cpp_validation_001914", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001914.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001914", "task_path": "tasks/validation/pie_cpp_validation_001914.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\n#include <string>\n\n#include <algorithm>\n\n#include <set>\n\n#include <vector>\n\n#include <map>\n\n#include <list>\n\n#include <stack>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <queue>\n\n#define pye cout << \"yes\" << endl;\n\n#define pno cout << \"no\" << endl;\n\n#define pYe cout << \"Yes\" << endl;\n\n#define pNo cout << \"No\" << endl;\n\n#define pYE cout << \"YES\" << endl;\n\n#define pNO cout << \"NO\" << endl;\n\n#define prin(num) cout << num << endl;\n\n#define max(a, b) ((a)>(b) ? (a):(b))\n\n#define min(a, b) ((a)<(b) ? (a):(b))\n\n#define INF 1000000000\n\n#define MOD 1000000007LL\n\n#define MAX 200005\n\n#define NIL -1\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> P;\n\ntypedef map<ll, ll> Map;\n\n\n\nll modPow(ll x, ll n) {\n\n ll res=1;\n\n while(n>0) {\n\n if(n&1) res=res*x%MOD;\n\n x=x*x%MOD;\n\n n>>=1;\n\n }\n\n return res;\n\n}\n\n\n\n\n\nint main(void) {\n\n string s;\n\n cin >> s;\n\n ll i;\n\n ll ans=0;\n\n ll la=0, lq=0, rc=0, rq=0;\n\n \n\n for(i=0; i<(ll)s.size(); i++) {\n\n if(s[i]=='C') rc++;\n\n else if(s[i]=='?') rq++;\n\n }\n\n \n\n for(i=0; i<(ll)s.size(); i++) {\n\n if(s[i]=='C') rc--;\n\n else if(s[i]=='?') rq--;\n\n \n\n if(s[i]=='B' || s[i]=='?') {\n\n ll left=la*modPow(3, lq)%MOD+lq*modPow(3, lq-1)%MOD;\n\n ll right=rc*modPow(3, rq)%MOD+rq*modPow(3, rq-1)%MOD;\n\n ans+=left*right%MOD;\n\n }\n\n \n\n if(s[i]=='A') la++;\n\n else if(s[i]=='?') lq++;\n\n }\n\n \n\n prin(ans%MOD)\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001914"}779{"label": "pie_cpp_validation_001915", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001915.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001915", "task_path": "tasks/validation/pie_cpp_validation_001915.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n\n\nll m = 1e9+7;\n\n\n\nint main() {\n\n\tstring s; cin>>s;\n\n\tvector<ll> ABC(s.size()+1), AB(s.size()+1), A(s.size()+1);\n\n\tll qmarks=1;\n\n\n\n\tfor (ll i=0; i<s.size(); i++) {\n\n\t\tA[i+1] = A[i];\n\n\t\tAB[i+1] = AB[i];\n\n\t\tABC[i+1] = ABC[i];\n\n\t\tif (s[i]=='A')\n\n\t\t\tA[i+1] = (A[i]%m + qmarks%m)%m;\n\n\t\tif (s[i]=='B')\n\n\t\t\tAB[i+1] = (AB[i]%m + A[i]%m)%m;\n\n\t\tif (s[i]=='C')\n\n\t\t\tABC[i+1] = (ABC[i]%m + AB[i]%m)%m;\n\n\t\tif (s[i]=='?') {\n\n\t\t\tA[i+1] = ((A[i]*3)%m + qmarks%m)%m;\n\n\t\t\tAB[i+1] = ((AB[i]*3)%m + A[i]%m)%m; \n\n\t\t\tABC[i+1] = ((ABC[i]*3)%m + AB[i]%m)%m;\n\n\t\t\tqmarks = (qmarks*3)%m;\n\n\t\t}\n\n\t}\n\n\t\n\n\tcout << ABC.back() << endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001915"}780{"label": "pie_cpp_validation_001916", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001916.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001916", "task_path": "tasks/validation/pie_cpp_validation_001916.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define P pair<ll,ll>\n\n#define FOR(I,A,B) for(ll I = (A); I < (B); ++I)\n\n#define FORR(I,A,B) for(ll I = ((B)-1); I >= (A); --I)\n\n#define TO(x,t,f) ((x)?(t):(f))\n\n#define SORT(x) (sort(x.begin(),x.end())) // 0 2 2 3 4 5 8 9\n\n#define REV(x) (reverse(x.begin(),x.end())) //reverse\n\nll gcd(ll a,ll b){if(a<b)swap(a,b);if(a%b==0)return b;return gcd(b,a%b);}\n\nll lcm(ll a,ll b){ll c=gcd(a,b);return ((a/c)*(b/c)*c);}//saisyo kobaisu\n\n#define NEXTP(x) next_permutation(x.begin(),x.end())\n\nconst ll INF=1e18+7;\n\nconst ll MOD=1e9+7;\n\n#define pri(a) cout << (a) << endl\n\nclass comb{\n\n\tvector<ll> f,fr;\n\n\tll MOD;\n\n\tpublic:\n\n\t//a^(p-1) = 1 (mod p)(p->Prime numbers)\n\n\t//a^(p-2) = a^(-1)\n\n\tll calc(ll a,ll b,ll p){//a^(b) mod p \n\n\t\tif(b==0)return 1;\n\n\t\tll y = calc(a,b/2,p);y=(y*y)%p;\n\n\t\tif(b & 1) y = (y * a) % p;\n\n\t\treturn y;\n\n\t}\n\n\tvoid init(ll n,ll mod){//input max_n\n\n\t\tMOD = mod;\n\n\t\tf.resize(n+1);\n\n\t\tfr.resize(n+1);\n\n\t\tf[0]=fr[0]=1;\n\n\t\tfor(ll i=1;i<n+1;i++){\n\n\t\t\tf[i] = (f[i-1] * i) % mod;\n\n\t\t\tfr[i] = calc(f[i],mod-2,mod);\n\n\t\t}\n\n\t}\n\n\tll nCr(ll n,ll r){\n\n\t\treturn f[n] * fr[r] % MOD * fr[n-r] % MOD;\n\n\t}\n\n};\n\n\n\nint main(){\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(0);\n\n\tstring s;\n\n\tcin >> s;\n\n\tll n = s.size();\n\n\tcomb co;\n\n\tco.init(1000000,MOD);\n\n\tvector<ll> a(n+1,0),b(n+1,0),c(n+1,0),h(n+1,0);\n\n\tFOR(i,1,n+1){\n\n\t\ta[i] = a[i-1];\n\n\t\tb[i] = b[i-1];\n\n\t\tc[i] = c[i-1];\n\n\t\th[i] = h[i-1];\n\n\t\tif(s[i-1]=='A')a[i]++;\n\n\t\tif(s[i-1]=='B')b[i]++;\n\n\t\tif(s[i-1]=='C')c[i]++;\n\n\t\tif(s[i-1]=='?')h[i]++;\n\n\t}\n\n\tll ans = 0;\n\n\tFOR(i,1,n-1){\n\n\t\tll j = i+1;\n\n\t\tif(s[i]=='B'){\n\n\t\t\tans += ( a[j]*(c[n]-c[j])*co.calc(3,h[n],MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t\tans += ( a[j]*(h[n]-h[j])*co.calc(3,h[n]-1,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t\tans += ( h[j-1]*(c[n]-c[j])*co.calc(3,h[n]-1,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t\tans += ( h[j-1]*(h[n]-h[j])*co.calc(3,h[n]-2,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t}\n\n\t}\n\n\tFOR(i,1,n-1){\n\n\t\tll j = i+1;\n\n\t\tif(s[i]=='?'){\n\n\t\t\tans += ( a[j]*(c[n]-c[j])*co.calc(3,h[n]-1,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t\tans += ( a[j]*(h[n]-h[j])*co.calc(3,h[n]-2,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t\tans += ( h[j-1]*(c[n]-c[j])*co.calc(3,h[n]-2,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t\tans += ( h[j-1]*(h[n]-h[j])*co.calc(3,h[n]-3,MOD) ) % MOD;\n\n\t\t\tans %= MOD;\n\n\t\t}\n\n\t}\n\n\tcout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001916"}781{"label": "pie_cpp_validation_001917", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001917.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001917", "task_path": "tasks/validation/pie_cpp_validation_001917.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define f0(i, n) for(int i(0); i < (n); i++)\n\n#define f1(i, n) for(int i(1); i <= n; i++)\n\n#define mod 1000000007\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int N = 1e5 + 2;\n\n\n\nvoid add(ll &x, ll y){\n\n x += y;\n\n while(x >= mod) x -= mod;\n\n}\n\n\n\nstring s;\n\nll f[N][4];\n\n\n\nint main(){\n\n ios_base::sync_with_stdio(0);\n\n\n\n cin >> s;\n\n s = \" \" + s;\n\n f[0][0] = 1;\n\n for(int i = 1; i < (int)s.size(); i++){\n\n f0(j, 4){\n\n f[i][j] = f[i - 1][j];\n\n if(s[i]=='?') f[i][j] = f[i - 1][j]*3;\n\n\n\n add(f[i][j], 0);\n\n if(j > 0){\n\n if(s[i]=='?' || j - 1 == s[i] - 'A') add(f[i][j], f[i - 1][j - 1]);\n\n }\n\n }\n\n }\n\n cout << f[s.size() - 1][3];\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001917"}782{"label": "pie_cpp_validation_001918", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001918.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001918", "task_path": "tasks/validation/pie_cpp_validation_001918.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#define ll long long\n\nusing namespace std;\n\n\n\nconst int MOD = 1000000007;\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n int len = S.size();\n\n ll a = 0, ab = 0, abc = 0, all_s = 1;\n\n\n\n for (int i = 0; i < len; i++) {\n\n if (S[i] == 'A')\n\n a = (a + all_s) % MOD;\n\n else if (S[i] == 'B')\n\n ab = (ab + a) % MOD;\n\n else if (S[i] == 'C')\n\n abc = (abc + ab) % MOD;\n\n else if (S[i] == '?') {\n\n abc = (abc * 3 + ab) % MOD;\n\n ab = (ab * 3 + a) % MOD;\n\n a = (a * 3 + all_s) % MOD;\n\n all_s = (all_s * 3) % MOD;\n\n }\n\n }\n\n cout << abc << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001918"}783{"label": "pie_cpp_validation_001919", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 19, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 19, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001919.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001919", "task_path": "tasks/validation/pie_cpp_validation_001919.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }\n\ntemplate<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }\n\n\n\nusing ll = long long;\n\nusing grid = vector<vector<int>>;\n\n\n\nconst int dx[2] = {1, 0};\n\nconst int dy[2] = {0, 1};\n\nconst int INF = 1<<30;\n\nconst ll mod = 1000000007LL;\n\n\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n\n\nll pow(ll a, ll n, ll m) {\n\n \tif(n<0) return 0;\n\n\tll ret = 1LL;\n\n\tfor (; n > 0LL; n >>= 1LL, a = a * a % m) {\n\n\t\tif (n % 2LL == 1LL) {\n\n\t\t\tret = ret * a % m;\n\n\t\t}\n\n\t}\n\n\treturn ret;\n\n}\n\n\n\nll P(ll a, ll b){\n\n return (a*pow(3LL,b,mod)+b*pow(3LL,b-1,mod))%mod;\n\n}\n\n\n\nint main() {\n\n string S;\n\n cin >>S;\n\n ll N = S.size();\n\n vector<ll> A(N+1,0LL),B(N+1,0LL),C(N+1,0LL),D(N+1,0LL);\n\n ll a=0,b=0,c=0,d=0;\n\n rep(i,N){\n\n if(S[i]=='A') A[i+1] = 1LL;\n\n if(S[i]=='B') B[i+1] = 1LL;\n\n if(S[i]=='C') C[i+1] = 1LL;\n\n if(S[i]=='?') D[i+1] = 1LL; \n\n }\n\n rep(i,N){\n\n A[i+1] += A[i];\n\n B[i+1] += B[i];\n\n C[i+1] += C[i];\n\n D[i+1] += D[i];\n\n }\n\n ll ans = 0LL;\n\n rep(i,N-1){\n\n if(S[i]=='B'||S[i]=='?'){\n\n ans += (P(A[i],D[i]) * P(C[N]-C[i+1],D[N]-D[i+1]))%mod;\n\n ans %=mod;\n\n }\n\n }\n\n if(ans<0) ans += mod;\n\n cout<<ans<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001919"}784{"label": "pie_cpp_validation_001920", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001920.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001920", "task_path": "tasks/validation/pie_cpp_validation_001920.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int mod = 1e9 + 7;\n\ninline void mod_add(long long &x, long long y) {\n\n\tx += y;\n\n\tif(x >= mod) x -= mod;\n\n}\n\nint main(){\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(0); \n\n\tstring s;\n\n\tcin >> s;\n\n\tint n = s.size();\n\n\tvector<vector<long long>> dp(n + 1, vector<long long>(4));\n\n\tstring t = \"ABC?\";\n\n\tdp[0][0] = 1;\n\n\tfor(int i = 0; i < n; i++) {\n\n\t\tfor(int j = 0; j < 4; j++) {\n\n\t\t\tif(s[i] == t[j]) {\n\n\t\t\t\tif(j != 3) {\n\n\t\t\t\t\tfor(int k = 0; k < 4; k++) {\n\n\t\t\t\t\t\tmod_add(dp[i + 1][k], dp[i][k]);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tmod_add(dp[i + 1][j + 1], dp[i][j]);\n\n\t\t\t\t}\n\n\t\t\t\telse {\n\n\t\t\t\t\tfor(int k = 0; k < 4; k++) {\n\n\t\t\t\t\t\tmod_add(dp[i + 1][k], dp[i][k] * 3 % mod);\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfor(int k = 0; k < 3; k++) {\n\n\t\t\t\t\t\tmod_add(dp[i + 1][k + 1], dp[i][k]);\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tcout << dp[n][3] << endl;\n\n\treturn 0;\t\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001920"}785{"label": "pie_cpp_validation_001921", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001921.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001921", "task_path": "tasks/validation/pie_cpp_validation_001921.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> \n\nusing namespace std;\n\nusing ll=long long;\n\ntypedef pair<ll,ll> P;\n\n#define fi first\n\n#define se second\n\n#define all(v) (v).begin(),v.end()\n\nset<string> c;\n\nconst ll mod=1000000007;\n\nconst ll mod2=998244353;\n\nconst ll inf=100000000000000000;\n\nll gcd(ll a,ll b) {return b ? gcd(b,a%b):a;}\n\nll lcm(ll c,ll d){return c/gcd(c,d)*d;}\n\nvector<int> dy={-1,0,1,0},dx={0,-1,0,1};\n\nll dp[200000][5];\n\nint main(){\n\n string s;\n\n cin>>s;\n\n int n=s.size();\n\n dp[0][0]=1;\n\n for(int i=0;i<n;i++){\n\n for(int j=0;j<5;j++){\n\n if(s[i]!='?')dp[i+1][j]+=dp[i][j];\n\n else dp[i+1][j]+=dp[i][j]*3;\n\n dp[i+1][j]%=mod;\n\n }\n\n if(s[i]=='A'||s[i]=='?')dp[i+1][1]+=dp[i][0];\n\n if(s[i]=='B'||s[i]=='?')dp[i+1][2]+=dp[i][1];\n\n if(s[i]=='C'||s[i]=='?')dp[i+1][3]+=dp[i][2];\n\n for(int j=1;j<=3;j++){\n\n dp[i+1][j]%=mod;\n\n }\n\n }\n\n cout<<dp[n][3]<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001921"}786{"label": "pie_cpp_validation_001922", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001922.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001922", "task_path": "tasks/validation/pie_cpp_validation_001922.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nusing i64 = int64_t;\n\n\n\nconstexpr i64 MOD = 1e9 + 7;\n\n\n\ni64 sum_a[100005]={0}, sum_c[100005]={0};\n\ni64 sum_qf[100005]={0}, sum_qb[100005]={0};\n\n\n\ni64 repeated_squaring(i64 x, i64 n) {\n\n i64 res = 1;\n\n while (n > 0) {\n\n if (n & 1)\n\n res = res * x % MOD;\n\n x = x * x % MOD;\n\n n >>= 1;\n\n }\n\n return res;\n\n}\n\n\n\nint main(){\n\n string s;\n\n cin >> s;\n\n for(int i=1;i<=(int)s.size();++i){\n\n sum_a[i] = sum_a[i-1];\n\n if(s[i-1] == 'A')sum_a[i]++;\n\n sum_qf[i] = sum_qf[i-1];\n\n if(s[i-1] == '?')sum_qf[i]++;\n\n }\n\n for(int i=(int)s.size();i>0;--i){\n\n sum_c[i] = sum_c[i+1];\n\n if(s[i-1] == 'C')sum_c[i]++;\n\n sum_qb[i] = sum_qb[i+1];\n\n if(s[i-1] == '?')sum_qb[i]++;\n\n }\n\n\n\n i64 ans = 0;\n\n for(int i=1;i<=(int)s.size();++i){\n\n if(s[i-1] != 'B' && s[i-1] != '?')continue;\n\n i64 ca = sum_a[i-1] * repeated_squaring(3, sum_qf[i-1]) % MOD;\n\n ca += sum_qf[i-1] * repeated_squaring(3, sum_qf[i-1]-1) % MOD;\n\n ca %= MOD;\n\n\n\n i64 cc = sum_c[i+1] * repeated_squaring(3, sum_qb[i+1]) % MOD;\n\n cc += sum_qb[i+1] * repeated_squaring(3, sum_qb[i+1]-1) % MOD;\n\n cc %= MOD;\n\n i64 tmp = ca * cc % MOD;\n\n ans = (ans + tmp) % MOD;\n\n }\n\n\n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001922"}787{"label": "pie_cpp_validation_001923", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 48, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 48, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001923.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001923", "task_path": "tasks/validation/pie_cpp_validation_001923.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#define rep(i, n) for(int i = 0; i < (int)(n); ++i)\n\n#define REP(i, n) for(int i = 1; i < (int)(n); ++i)\n\nusing namespace std;\n\n\n\nconstexpr int mod = 1e9 + 7;\n\n\n\nint ModPow(int x, int y) {\n\n if (y < 0) return 0;\n\n if (y == 0) return 1;\n\n long long a = ModPow(x, y / 2);\n\n if (y & 1) return a * a % mod * x % mod;\n\n else return a * a % mod;\n\n}\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n \n\n int hatena_cnt = 0;\n\n rep(i, S.size()) {\n\n if (S[i] == '?') ++hatena_cnt;\n\n }\n\n vector<vector<int>> cnt(S.size(), vector<int>(4, 0));\n\n if (S[0] == '?') cnt[0][3] = 1;\n\n else cnt[0][S[0] - 'A'] = 1;\n\n REP(i, S.size()) {\n\n rep(j, 4) cnt[i][j] = cnt[i - 1][j];\n\n if (S[i] == '?') ++cnt[i][3];\n\n else ++cnt[i][S[i] - 'A'];\n\n }\n\n \n\n int ans = 0;\n\n rep(i, S.size()) {\n\n if (S[i] == 'A' || S[i] == 'C') continue;\n\n if (i == 0 || i == S.size() - 1) continue;\n\n \n\n int A = cnt[i - 1][0];\n\n int C = cnt[S.size() - 1][2] - cnt[i][2];\n\n int hatena_front = cnt[i - 1][3];\n\n int hatena_back = cnt[S.size() - 1][3] - cnt[i][3];\n\n long long res = 0;\n\n if (S[i] == 'B') {\n\n res += (long long)ModPow(3, hatena_cnt) * A * C;\n\n res += (long long)ModPow(3, hatena_cnt - 1) * hatena_front * C;\n\n res += (long long)ModPow(3, hatena_cnt - 1) * A * hatena_back;\n\n res += (long long)ModPow(3, hatena_cnt - 2) * hatena_front * hatena_back;\n\n ans = (ans + res) % mod;\n\n } else {\n\n res += (long long)ModPow(3, hatena_cnt - 1) * A * C;\n\n res += (long long)ModPow(3, hatena_cnt - 2) * hatena_front * C;\n\n res += (long long)ModPow(3, hatena_cnt - 2) * A * hatena_back;\n\n res += (long long)ModPow(3, hatena_cnt - 3) * hatena_front * hatena_back;\n\n ans = (ans + res) % mod;\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001923"}788{"label": "pie_cpp_validation_001924", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001924.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001924", "task_path": "tasks/validation/pie_cpp_validation_001924.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst ll MOD=1000000007;\n\n\n\nint main(){\n\n string S;cin>>S;\n\n int N=S.size();\n\n ll dp[N+1][4];\n\n\n\n for (int i=N;i>=0;--i){\n\n for (int j=3;j>=0;--j){\n\n if(i==N){(dp[i][j]=(j==3? 1:0));}else{\n\n dp[i][j]=dp[i+1][j]*(S[i]=='?' ? 3LL:1LL);\n\n if((j<3)&&(S[i]=='?'|| S[i]==\"ABC\"[j])){\n\n dp[i][j]+=dp[i+1][j+1];\n\n }\n\n }\n\n dp[i][j]%=MOD;\n\n }\n\n }\n\n\n\n cout << dp[0][0] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001924"}789{"label": "pie_cpp_validation_001925", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001925.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001925", "task_path": "tasks/validation/pie_cpp_validation_001925.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <string>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <cmath>\n\n#include <vector>\n\n#include <queue>\n\n#include <set>\n\n#include <map>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vector<ll>> vvl;\n\n#define rep(i, n) for(ll i = 0; i < n; i++)\n\n#define exrep(i, a, b) for(ll i = a; i <= b; i++)\n\n#define out(x) cout << x << endl\n\n#define exout(x) printf(\"%.10f\\n\", x)\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\n#define all(a) a.begin(), a.end()\n\n#define rall(a) a.rbegin(), a.rend()\n\n#define pb push_back\n\n#define re0 return 0\n\nconst ll mod = 1000000007;\n\nconst ll INF = 1e16;\n\nconst ll MAX_N = 100010;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n ll n = s.size();\n\n \n\n /* \u6587\u5b57\u5217s\u306eABC\u6570\u3092\u300cs\u306e\u3046\u3061\uff13\u6587\u5b57\u306b\u4e38\u3092\u3064\u3051\u3001\n\n \u4e38\u3092\u3064\u3051\u305f\u6587\u5b57\u3092\u5de6\u304b\u3089\u8aad\u3080\u3068ABC\u3068\u306a\u308b\u3088\u3046\u306b\u3059\u308b\u65b9\u6cd5\u300d\u3068\u8a00\u3044\u63db\u3048\u308b*/\n\n \n\n vvl dp(n+1, vl(4)); /* dp[i+1][j] : i\u6587\u5b57\u76ee(i\u306f0-index)\u307e\u3067\u306e\u51e6\u7406(?\u306e\u7f6e\u63db\u3068\u4e38\u3064\u3051)\u3092\u3059\u3067\u306b\u884c\u3063\u3066\u3044\u3066\u3001\n\n \u3053\u308c\u307e\u3067\u306bj\u500b\u4e38\u3092\u3064\u3051\u3066\u3044\u308b\u3068\u304d\u306es\u306e\u6b8b\u308a\u306e\u90e8\u5206\u306b\u5bfe\u3059\u308b\u51e6\u7406\u3092\u884c\u3046\u65b9\u6cd5\u306e\u6570 */\n\n \n\n // n\u6587\u5b57\u76ee\u307e\u3067\u306b\uff13\u500b\u4e38\u3092\u3064\u3051\u7d42\u308f\u3063\u3066\u3044\u308b\u306e\u3067\u3042\u3068\u306f\u4f55\u3082\u3057\u306a\u3044\u306e1\u901a\u308a\n\n dp[n][3] = 1;\n\n for(ll i = n-1; i >= 0; i--) {\n\n for(ll j = 3; j >= 0; j--) {\n\n // \u4e38\u3092\uff13\u500b\u3064\u3051\u7d42\u308f\u3063\u305f\u5834\u5408\n\n if(j == 3) {\n\n ll m0 = 1;\n\n if(s[i] == '?') {\n\n m0 = 3;\n\n }\n\n // i\u6587\u5b57\u76ee\u304c?\u3060\u3063\u305f\u30893\u500d\u3001\u305d\u308c\u4ee5\u5916\u306f1\u500d \n\n dp[i][j] = m0*dp[i+1][j];\n\n }\n\n // \u307e\u3060\u4e38\u3092\uff13\u500b\u3064\u3051\u7d42\u308f\u3063\u3066\u3044\u306a\u3044\u5834\u5408\n\n else {\n\n // \u4ee5\u4e0b\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u3044\u3068\u304d\u306f\u3001\u4e38\u3092\u3064\u3051\u306a\u3044\u5834\u54081\u500d\u3001\u3064\u3051\u308b\u5834\u5408\u3082\u3046\u7121\u7406\u306a\u306e\u30670\u500d\u3059\u308b\n\n ll m1 = 1;\n\n ll m2 = 0;\n\n string x = \"ABC\";\n\n // s[i]\u304c?\u306e\u3068\u304d\u306f\u3001\u4e38\u3092\u3064\u3051\u306a\u3044\u5834\u5408\u306f3\u500d\u3001\u3064\u3051\u308b\u5834\u5408\u306f1\u500d\u3059\u308b\n\n if(s[i] == '?') {\n\n m1 = 3;\n\n m2 = 1;\n\n }\n\n // \u4e38\u3092\u3064\u3051\u308b\u5834\u5408\u3001s[i]\u304cABC\u306ej\u6587\u5b57\u76ee\u306e\u3068\u304d\u30821\u500d\u3059\u308b\n\n else if(s[i] == x[j]) {\n\n m2 = 1;\n\n }\n\n // \u53f3\u8fba\u306e1\u9805\u76ee\u306fi\u6587\u5b57\u76ee\u306b\u4e38\u3092\u3064\u3051\u306a\u3044\u5834\u5408\u3067\u30012\u9805\u76ee\u306f\u4e38\u3092\u3064\u3051\u308b\u5834\u5408\n\n dp[i][j] = m1*dp[i+1][j] + m2*dp[i+1][j+1];\n\n }\n\n dp[i][j] %= mod;\n\n }\n\n }\n\n \n\n out(dp[0][0]);\n\n re0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001925"}790{"label": "pie_cpp_validation_001926", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001926.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001926", "task_path": "tasks/validation/pie_cpp_validation_001926.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <queue>\n\n#include <cmath>\n\nusing namespace std;\n\nusing ll = long long;\n\nconstexpr int MOD = 1e9 + 7;\n\n\n\nll a[101010], c[101010], ql[101010], qr[101010];\n\n\n\nll mod_pow(ll p) {\n\n if(p < 0) return 0;\n\n ll ret = 1, x = 3;\n\n while(p) {\n\n if(p & 1) ret = (ret * x) % MOD;\n\n x = (x * x) % MOD;\n\n p >>= 1;\n\n }\n\n return ret;\n\n}\n\n\n\n\n\nint main() {\n\n cin.tie(0); ios_base::sync_with_stdio(false);\n\n string s;\n\n cin >> s;\n\n ll ans = 0;\n\n for(int i=0; i < s.size()-1;++i) {\n\n if(s[i]=='A') {\n\n a[i+1] = a[i] + 1;\n\n ql[i+1] = ql[i];\n\n } else if(s[i]=='?') {\n\n a[i+1] = a[i];\n\n ql[i+1] = ql[i] + 1;\n\n } else {\n\n a[i+1] = a[i];\n\n ql[i+1] = ql[i];\n\n }\n\n }\n\n for(int i=s.size()-1; i >= 0; --i) {\n\n if(s[i]=='C') {\n\n c[i-1] = c[i] + 1;\n\n qr[i-1] = qr[i];\n\n } else if(s[i]=='?') {\n\n c[i-1] = c[i];\n\n qr[i-1] = qr[i] + 1;\n\n } else {\n\n c[i-1] = c[i];\n\n qr[i-1] = qr[i];\n\n }\n\n }\n\n\n\n for(int i=0; i < s.size(); ++i) {\n\n if(s[i]=='?' || s[i]=='B') {\n\n ans = (ans + a[i] * c[i] % MOD * mod_pow(ql[i] + qr[i]) % MOD) % MOD;\n\n \n\n ans = (ans + ql[i] * qr[i] % MOD * mod_pow(ql[i] + qr[i] - 2) % MOD) % MOD;\n\n\n\n ans = (ans + a[i] * qr[i] % MOD * mod_pow(ql[i] + qr[i] - 1) % MOD) % MOD;\n\n\n\n ans = (ans + ql[i] * c[i] % MOD * mod_pow(ql[i] + qr[i] - 1) % MOD) % MOD;\n\n }\n\n }\n\n\n\n cout << ans << '\\n';\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001926"}791{"label": "pie_cpp_validation_001927", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001927.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001927", "task_path": "tasks/validation/pie_cpp_validation_001927.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n\n\n#include<iostream>\n\n#include<string>\n\n#include<cstring>\n\n#include<stdio.h>\n\n#include<algorithm>\n\n#include<functional>\n\n#include<vector>\n\n#include<set>\n\n#include<queue>\n\n#include<list>\n\n#include<stdio.h>\n\n#include<stdlib.h>\n\n#include<map>\n\n#include<cstdio>\n\n#include <iomanip>\n\n\n\n#define rep(i,a,b) for(int i=a;i<b;i++)\n\n#define rrep(i,a,b) for(int i=a;i<=b;i++)\n\n#define fore(i,a) for(auto &i:a)\n\n\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst int MOD = 1e9 + 7;\n\nstring S;\n\n\n\nvoid add(ll &a, ll b) {\n\n\ta += b;\n\n\tif (a >= MOD)a -= MOD;\n\n}\n\n\n\n//i\u756a\u76ee\u307e\u3067\u307f\u305f\u6642\u306e\u3001\u72b6\u614bj\n\n//j=0 \"\"\n\n//j=1 A\n\n//j=2 AB\n\n//j=3 ABC\n\n\n\nll dp[210000][4];\n\n\n\nint main() {\n\n\n\n\tcin >> S;\n\n\tmemset(dp, 0, sizeof(dp));\n\n\n\n\tdp[0][0] = 1;\n\n\n\n\t//S\u30921\u6587\u5b57\u305a\u3064\u307f\u3066\u3044\u304f\u3002\n\n\tfor (int i = 0; i < S.size(); ++i) {\n\n\t\t//Si\u3092\u4f7f\u308f\u306a\u3044\u3002\n\n\t\t\t//Si=?\u3067\u306a\u3044\u306a\u3089\u305d\u306e\u307e\u307ei\u306e\u72b6\u614b\u3092i+1\u3078\u305d\u306e\u307e\u307e\u5f15\u304d\u7d99\u3050\u3002\n\n\t\t\t//Si=?\u306a\u3089i\u306e\u72b6\u614b\u306e3\u500d\u3057\u3066i+1\u306b\u5f15\u304d\u7d99\u3050\n\n\t\tfor (int j = 0; j <=3; ++j) {\n\n\t\t\tif (S[i] != '?') {\n\n\t\t\t\tdp[i + 1][j] = dp[i][j];\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tdp[i + 1][j] = dp[i][j] * 3 % MOD;\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\t//Si\u3092\u4f7f\u3046\u3002\n\n\n\n\t\t//\u72b6\u614b0\u306fA\u304b\uff1f\u304c\u304f\u308c\u3070\u72b6\u614b1\u306b\u9077\u79fb\u3059\u308b\u3002\n\n\t\tif (S[i] == 'A' || S[i] == '?') add(dp[i + 1][1], dp[i][0]);\n\n\n\n\t\t//\u72b6\u614b1\u306fB\u304b\uff1f\u304c\u304f\u308c\u3070\u72b6\u614b2\u306b\u9077\u79fb\u3059\u308b\u3002\n\n\t\tif (S[i] == 'B' || S[i] == '?') add(dp[i + 1][2], dp[i][1]);\n\n\n\n\t\t//\u72b6\u614b2\u306fC\u304b\uff1f\u304c\u304f\u308c\u3070\u72b6\u614b3\u306b\u9077\u79fb\u3059\u308b\u3002\n\n\t\tif (S[i] == 'C' || S[i] == '?') add(dp[i + 1][3], dp[i][2]);\n\n\t}\n\n\t\n\n\tcout << dp[S.size()][3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001927"}792{"label": "pie_cpp_validation_001928", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001928.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001928", "task_path": "tasks/validation/pie_cpp_validation_001928.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i,n) for(long long int (i)=0;(i)<(int)(n);(i)++)\n\n#define rrep(i,a,b) for(long long int i=(a);i<(b);i++)\n\n#define rrrep(i,a,b) for(long long int i=(a);i>=(b);i--)\n\n#define all(v) (v).begin(), (v).end()\n\n#define pb(q) push_back(q)\n\n#define Abs(a,b) max(a,b)-min(a,b)\n\n#define YES(condition) if(condition){cout << \"YES\" << endl;}else{cout << \"NO\" << endl;}\n\n#define Yes(condition) if(condition){cout << \"Yes\" << endl;}else{cout << \"No\" << endl;}\n\n#define Cout(x) cout<<(x)<<endl\n\n#define POSSIBLE(condition) if(condition){cout << \"POSSIBLE\" << endl;}else{cout << \"IMPOSSIBLE\" << endl;}\n\n#define Possible(condition) if(condition){cout << \"Possible\" << endl;}else{cout << \"Impossible\" << endl;}\n\n#define possible(condition) if(condition){cout << \"possible\" << endl;}else{cout << \"impossible\" << endl;}\n\n#define Size(n) (n).size()\n\n\n\ntypedef long long ll;\n\n\n\n\n\nusing namespace std;\n\n\n\nconst int INF = 1e9,MOD = 1e9 + 7,ohara = 1e6;\n\nconst ll LINF = 1e18;\n\n\n\n\n\nlong long int n,cnt=0,ans=0,a,b,c,d,cmp,cmpp,m,h,w,x,y,sum=0,pos,dp[100002][4];\n\nint dy[]={1,0,-1,0};\n\nint dx[]={0,1,0,-1};\n\nstring alph(\"ABC\"),s;\n\nbool fl;\n\nstruct edge{int to,cost;};\n\n\n\n//-------------------------\u2193\u2193\u2193\u2193\u2193\u2193------------------------\n\n\n\nint main(void){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n \n\n cin>>s;\n\n dp[Size(s)][3]=1;\n\n rrrep(i,Size(s)-1,0){\n\n rrrep(j,3,0){\n\n if(j==3){\n\n if(s[i]=='?'){\n\n dp[i][3]=dp[i+1][3]*3;\n\n }\n\n else{\n\n dp[i][3]=dp[i+1][3];\n\n }\n\n }\n\n else{\n\n if(s[i]=='?'){\n\n dp[i][j]=dp[i+1][j]*3+dp[i+1][j+1];\n\n }\n\n else if(alph[j]==s[i]){\n\n dp[i][j]=dp[i+1][j]+dp[i+1][j+1];\n\n }\n\n else{\n\n dp[i][j]=dp[i+1][j];\n\n }\n\n }\n\n dp[i][j]%=MOD;\n\n }\n\n }\n\n Cout(dp[0][0]);\n\n \n\n\n\n \n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001928"}793{"label": "pie_cpp_validation_001929", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001929.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001929", "task_path": "tasks/validation/pie_cpp_validation_001929.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i, n) for(int i = 0; i < n; i++)\n\n\n\ntypedef long long ll;\n\nusing namespace std;\n\nint mod = 1000000007;\n\n\n\nint main(void){\n\n string S; cin >> S;\n\n int N = S.length();\n\n vector<ll> dp(N, 0); //dp[i]: S[i]\u4ee5\u964d\u306e\u90e8\u5206\u5217\"BC\"\u306e\u6570\n\n vector<ll> cnt_C(N, 0); //cnt_C[i]: S[i+1]~S[N-1]\u3067'C'\u304c\u51fa\u73fe\u3059\u308b\u56de\u6570\n\n vector<ll> cnt_Q(N, 0);\n\n if(S[N-1] == 'C') cnt_C[N-2] = 1;\n\n else if(S[N-1] == '?') cnt_Q[N-2] = 1;\n\n for(int i = N-2; i >= 1; i--){\n\n if(S[i] == 'C'){\n\n cnt_C[i-1] = cnt_C[i] + 1;\n\n cnt_Q[i-1] = cnt_Q[i];\n\n }\n\n else if(S[i] == '?'){\n\n cnt_C[i-1] = cnt_C[i];\n\n cnt_Q[i-1] = cnt_Q[i] + 1;\n\n }\n\n else{\n\n cnt_C[i-1] = cnt_C[i];\n\n cnt_Q[i-1] = cnt_Q[i];\n\n }\n\n }\n\n\n\n ll ans = 0;\n\n ll fac3[100001];\n\n fac3[0] = 1;\n\n for(int i = 1; i <= 100000; i++) fac3[i] = (fac3[i-1]*3) % mod;\n\n\n\n dp[N-1] = 0;\n\n for(int i = N-2; i >= 0; i--){\n\n if(S[i] == 'A' || S[i] == 'C') dp[i] = dp[i+1];\n\n else if(S[i] == 'B'){\n\n dp[i] = (dp[i+1] + (cnt_C[i]*fac3[cnt_Q[i]] % mod) + (cnt_Q[i]*fac3[cnt_Q[i]-1] % mod)) % mod;\n\n }\n\n else{\n\n dp[i] = ((dp[i+1]*3 % mod) + (cnt_C[i]*fac3[cnt_Q[i]] % mod) + (cnt_Q[i]*fac3[cnt_Q[i]-1] % mod)) % mod;\n\n }\n\n }\n\n //S[i-1]\u307e\u3067\u306b\u51fa\u3066\u304f\u308b'?'\u306e\u6570\u3092\u77e5\u3089\u306a\u3044\u3068\u304d\u3064\u3044\n\n vector<ll> Q_head(N+1, 0); //Q_head[i]: S[0]\u304c?\u306a\u3089Q_head[1] = 1\n\n for(int i = 1; i <= N; i++){\n\n if(S[i-1] == '?') Q_head[i] = Q_head[i-1] + 1;\n\n else Q_head[i] = Q_head[i-1];\n\n }\n\n for(int i = 0; i < N-2; i++) if(S[i] == 'A' || S[i] == '?') ans = (ans + (fac3[Q_head[i]]*dp[i+1] % mod)) % mod;\n\n cout << ans << endl;\n\n //rep(i, N) cout << dp[i] << \" \"; cout << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001929"}794{"label": "pie_cpp_validation_001930", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001930.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001930", "task_path": "tasks/validation/pie_cpp_validation_001930.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef unsigned long long ull;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\ntypedef pair<ll, ll> pll;\n\ntypedef pair<double, double> pdd;\n\nconst ull mod = 1e9 + 7;\n\n#define REP(i,n) for(int i=0;i<(int)n;++i)\n\n\n\n//debug\n\n#define dump(x) cerr << #x << \" = \" << (x) << endl;\n\n#define debug(x) cerr << #x << \" = \" << (x) << \" (L\" << __LINE__ << \")\" << \" \" << __FILE__ << endl;\n\n\n\ntemplate < typename T >\n\nvoid vprint(T &v){\n\n\tREP(i, v.size()){\n\n\t\tcout << v[i] << \" \";\n\n\t}\n\n\tcout << endl;\n\n}\n\n\n\nll beki3(ll x){\n\n\tif(x==0) return 1;\n\n\treturn 3*beki3(x-1);\n\n}\n\n\n\nint main(){\n\n\tstring S;\n\n\tcin >> S;\n\n\tll N = S.size();\n\n\t\n\n\tvector<ll> X(N+1, 0), Y(N+1, 0), Z(N+1, 0), W(N+1, 0);\n\n\tX[0] = 1;\n\n\tREP(i, N){\n\n\t\tif(S[i]=='?'){\n\n\t\t\tX[i+1] = 3*X[i]%mod;\n\n\t\t\tY[i+1] = (3*Y[i]%mod + X[i])%mod;\n\n\t\t\tZ[i+1] = (3*Z[i]%mod + Y[i])%mod;\n\n\t\t\tW[i+1] = (3*W[i]%mod + Z[i])%mod;\n\n\t\t}\n\n\t\tif(S[i]=='A'){\n\n\t\t\tX[i+1] = X[i];\n\n\t\t\tY[i+1] = (X[i] + Y[i])%mod;\n\n\t\t\tZ[i+1] = Z[i];\n\n\t\t\tW[i+1] = W[i];\n\n\t\t}\n\n\t\tif(S[i]=='B'){\n\n\t\t\tX[i+1] = X[i];\n\n\t\t\tY[i+1] = Y[i];\n\n\t\t\tZ[i+1] = (Y[i] + Z[i])%mod;\n\n\t\t\tW[i+1] = W[i];\n\n\t\t}\n\n\t\tif(S[i]=='C'){\n\n\t\t\tX[i+1] = X[i];\n\n\t\t\tY[i+1] = Y[i];\n\n\t\t\tZ[i+1] = Z[i];\n\n\t\t\tW[i+1] = (Z[i] + W[i])%mod;\n\n\t\t}\n\n\t}\n\n\tcout << W[N] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001930"}795{"label": "pie_cpp_validation_001931", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001931.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001931", "task_path": "tasks/validation/pie_cpp_validation_001931.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\n// Begin Header {{{\n\n#define all(x) x.begin(), x.end()\n\n#define SIZE(x) static_cast<i64>(x.size())\n\n#define rep(i,n) for (i64 i = 0, i ## _limit = (n); i < i ## _limit; ++i)\n\n#define reps(i,s,t) for (i64 i = (s), i ## _limit = (t); i <= i ## _limit; ++i)\n\n#define repr(i,s,t) for (i64 i = (s), i ## _limit = (t); i >= i ## _limit; --i)\n\n\n\n#ifdef DBG\n\n#define trace(...) _trace(#__VA_ARGS__, __VA_ARGS__);\n\n#else\n\n#define trace(...)\n\n#endif\n\n\n\nusing namespace std;\n\nusing i64 = int_fast64_t;\n\nusing pii = pair<i64, i64>;\n\ntemplate<class T, class U>inline bool chmax(T &a, const U &b){return b>a && (a=b, true);}\n\ntemplate<class T, class U>inline bool chmin(T &a, const U &b){return b<a && (a=b, true);}\n\nconstexpr int INF = 0x3f3f3f3f;\n\nconstexpr i64 LINF = 0x3f3f3f3f3f3f3f3fLL;\n\n\n\ntemplate<class T>\n\nostream& operator<< (ostream &os, const vector<T> &vec) {\n\n rep(i, vec.size()) os << vec[i] << (i+1 == vec.size() ? \"\" : \" \");\n\n return os;\n\n}\n\n\n\ntemplate<class T, class U>\n\nostream& operator<< (ostream &os, const pair<T, U> &p) {\n\n return os << p.first << ' ' << p.second;\n\n}\n\n\n\ntemplate <class T>\n\nvoid _trace(const char *s, T&& x)\n\n{\n\n clog << '{';\n\n while(*s != '\\0') clog << *(s++);\n\n clog << \":\" << setw(3) << x << '}' << endl;\n\n}\n\n\n\ntemplate <class Head, class... Tail>\n\nvoid _trace(const char *s, Head&& head, Tail&&... tail)\n\n{\n\n clog << '{';\n\n while(*s != ',') clog << *(s++);\n\n clog << \":\" << setw(3) << head << \"}, \";\n\n for (++s; !isgraph(*s); ++s);\n\n _trace(s, std::forward<Tail>(tail)...);\n\n}\n\n// }}} End Header\n\n// ModInt {{{\n\ntemplate<i64 MOD>\n\nclass ModInt {\n\nprivate:\n\n i64 n;\n\npublic:\n\n inline ModInt(i64 n = 0) : n((n >= MOD) ? (n % MOD) : (n < 0) ? ((n + MOD) % MOD) : n) {}\n\n inline ModInt operator~() const { return pow(n, MOD-2); }\n\n inline ModInt& operator+=(ModInt o) { n = (n + o.n) % MOD; return *this; }\n\n inline ModInt& operator-=(ModInt o) { n = (MOD + n - o.n) % MOD; return *this; }\n\n inline ModInt& operator*=(ModInt o) { n = (n * o.n) % MOD; return *this; }\n\n inline ModInt& operator/=(ModInt o) { n = (n * (~o).n) % MOD; return *this; }\n\n inline bool operator==(ModInt o) const { return n == o.n; }\n\n inline bool operator!=(ModInt o) const { return !(*this == o); }\n\n template<class Int> explicit inline operator Int() const { return static_cast<Int>(n); }\n\n friend ostream& operator<<(ostream &os, ModInt o) { os << o.n; return os; }\n\n friend istream& operator>>(istream &is, ModInt &o) { is >> o.n; return is; }\n\n static constexpr inline ModInt pow(i64 n, i64 p) {\n\n i64 ret = 1;\n\n for(; p > 0; p >>= 1) {\n\n if (p & 1) ret = (ret * n) % MOD;\n\n n = (n * n) % MOD;\n\n }\n\n return ret;\n\n }\n\n};\n\ntemplate<i64 MOD> auto operator+(ModInt<MOD> a, ModInt<MOD> b) { return ModInt<MOD>(a) += b; }\n\ntemplate<i64 MOD> auto operator-(ModInt<MOD> a, ModInt<MOD> b) { return ModInt<MOD>(a) -= b; }\n\ntemplate<i64 MOD> auto operator*(ModInt<MOD> a, ModInt<MOD> b) { return ModInt<MOD>(a) *= b; }\n\ntemplate<i64 MOD> auto operator/(ModInt<MOD> a, ModInt<MOD> b) { return ModInt<MOD>(a) /= b; }\n\n// }}}\n\n\n\nusing modint = ModInt<int(1e9) + 7>;\n\n\n\nstring s;\n\nint N;\n\ni64 dp[100010][4];\n\n\n\nmodint slv(int idx, int cnt)\n\n{\n\n if (idx >= N) {\n\n return (cnt == 3) ? 1 : 0;\n\n }\n\n if (~dp[idx][cnt]) return dp[idx][cnt];\n\n\n\n modint ans = 0;\n\n\n\n if (cnt == 3) {\n\n if (s[idx] == '?') {\n\n ans = slv(idx + 1, cnt) * modint(3);\n\n } else {\n\n ans = slv(idx + 1, cnt);\n\n }\n\n } else {\n\n if (s[idx] == '?') {\n\n ans = slv(idx + 1, cnt) * modint(3) + slv(idx + 1, cnt + 1);\n\n } else if (s[idx] == ('A' + cnt)) {\n\n ans = slv(idx + 1, cnt) + slv(idx + 1, cnt + 1);\n\n } else {\n\n ans = slv(idx + 1, cnt);\n\n }\n\n }\n\n\n\n return dp[idx][cnt] = (i64)ans;\n\n}\n\n\n\nsigned main()\n\n{\n\n // ios::sync_with_stdio(false); cin.tie(nullptr);\n\n\n\n cin >> s;\n\n N = SIZE(s);\n\n\n\n\n\n memset(dp, -1, sizeof(dp));\n\n cout << slv(0, 0) << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001931"}796{"label": "pie_cpp_validation_001932", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001932.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001932", "task_path": "tasks/validation/pie_cpp_validation_001932.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <fstream>\n\n#include <cmath> \n\n#include <cstdlib>\n\n#include <ctime>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <functional>\n\n#include <string> \n\n#include <vector>\n\n#include <bitset>\n\n#include <map>\n\n#include <set>\n\n#include <stack>\n\n#include <queue>\n\n#include <deque>\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing ld = long double;\n\n\n\n#define REP(i,n) for(int i = 0; i < int(n); i++)\n\n#define REREP(i,n) for(int i = int(n - 1); i >= 0; i--)\n\n#define FOR(i, m, n) for(int i = int(m);i < int(n);i++)\n\n#define REFOR(i, m, n) for(int i = int(n - 1);i >= int(m);i--)\n\n#define ALL(obj) (obj).begin(),(obj).end()\n\n#define fi first \n\n#define se second\n\n\n\n#define VI vector<int>\n\n#define VVI vector<vector<int>>\n\n#define VVVI vector<vector<vector<int>>>\n\n#define VD vector<double>\n\n#define VVD vector<vector<double>>\n\n#define VVVD vector<vector<vector<double>>>\n\n#define VL vector<ll>\n\n#define VVL vector<vector<ll>>\n\n#define VVVL vector<vector<vector<ll>>>\n\n#define VB vector<bool>\n\n#define VVB vector<vector<bool>>\n\n#define VVVB vector<vector<vector<bool>>>\n\n#define VS vector<string>\n\n#define VVS vector<vector<string>>\n\n#define VVVS vector<vector<vector<string>>>\n\n\n\n#define PII pair<int,int>\n\n#define PDD pair<double,double>\n\n#define PLL pair<ll,ll>\n\n#define VPII vector<pair<int,int>>\n\n#define VVPII vector<vector<pair<int,int>>>\n\n#define VVVPII vector<vector<vector<pair<int,int>>>>\n\n#define VPLL vector<pair<ll,ll>>\n\n#define VVPLL vector<vector<pair<ll,ll>>>\n\n#define VVVPLL vector<vector<vector<pair<ll,ll>>>>\n\n\n\nconst ll HMOD = (ll)1e9 + 7;\n\nconst ll LMOD = 998244353;\n\nconst ll HINF = (ll)1e18;\n\nconst ll LINF = (ll)1e9;\n\nconst long double PI = 3.1415926535897932384626433;\n\nconst long double EPS = 1e-10;\n\n\n\n\n\nvoid YN(bool flag) {\n\n\tcout << ((flag) ? \"YES\" : \"NO\") << endl;\n\n}\n\n\n\nvoid Yn(bool flag) {\n\n\tcout << ((flag) ? \"Yes\" : \"No\") << endl;\n\n}\n\n\n\nvoid yn(bool flag) {\n\n\tcout << ((flag) ? \"yes\" : \"no\") << endl;\n\n}\n\n\n\nll rsm(ll x, ll n, ll quotient) {\n\n\tll y = 1;\n\n\twhile (n > 0) {\n\n\t\tif (n & 1) {\n\n\t\t\ty *= x;\n\n\t\t\ty %= quotient;\n\n\t\t}\n\n\t\tx *= x;\n\n\t\tx %= quotient;\n\n\t\tn >>= 1;\n\n\t}\n\n\treturn y;\n\n}\n\n\n\nint main() {\n\n\tstring S; cin >> S;\n\n\tint N = S.size();\n\n\tVL A(N,0), C(N,0), L(N,0), R(N,0);\n\n\tFOR(i, 0, N - 1) if (S[i] == 'A') A[i + 1]++;\n\n\tFOR(i, 0, N - 1) if (S[i] == '?') L[i + 1]++;\n\n\tfor (int i = N - 1; i >= 1; --i) if (S[i] == 'C') C[i - 1]++;\n\n\tfor (int i = N - 1; i >= 1; --i) if (S[i] == '?') R[i - 1]++;\n\n\n\n\t\n\n\tFOR(i, 1, N) A[i] += A[i - 1];\n\n\tfor (int i = N - 2; i >= 0; --i) C[i] += C[i + 1];\n\n\tFOR(i, 1, N) L[i] += L[i - 1];\n\n\tfor (int i = N - 2; i >= 0; --i) R[i] += R[i + 1];\n\n\n\n\n\n\tll ans = 0;\n\n\tFOR(i, 1, N - 1) {\n\n\t\tif (S[i] != 'B' && S[i] != '?') continue;\n\n\t\tll cnt = 0;\n\n\n\n\t\tcnt += ((((A[i] % HMOD) * (C[i] % HMOD)) % HMOD) * ((rsm(3, L[i], HMOD) * rsm(3, R[i], HMOD)) % HMOD))%HMOD;\n\n\t\tcnt %= HMOD;\n\n\t\tcnt += ((((A[i] % HMOD) * (R[i] % HMOD)) % HMOD) * ((rsm(3, L[i], HMOD) * rsm(3, max(R[i]-1,0LL), HMOD)) % HMOD)) % HMOD;\n\n\t\tcnt %= HMOD;\n\n\t\tcnt += ((((L[i] % HMOD) * (C[i] % HMOD)) % HMOD) * ((rsm(3, max(L[i]-1,0LL), HMOD) * rsm(3, R[i], HMOD)) % HMOD)) % HMOD;\n\n\t\tcnt %= HMOD;\n\n\t\tcnt += ((((L[i] % HMOD) * (R[i] % HMOD)) % HMOD) * ((rsm(3, max(L[i] - 1, 0LL), HMOD) * rsm(3, max(R[i] - 1, 0LL), HMOD)) % HMOD)) % HMOD;\n\n\t\tcnt %= HMOD;\n\n\t\t(ans += cnt) %= HMOD;\n\n\t}\n\n\n\n\tcout << ans << endl;\n\n\n\n\n\n\n\n\t\n\n\t\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001932"}797{"label": "pie_cpp_validation_001933", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001933.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001933", "task_path": "tasks/validation/pie_cpp_validation_001933.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n//{{{\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(...) repN((__VA_ARGS__,rep3,rep2,loop,~))(__VA_ARGS__)\n\n#define loop(n) rep2(_loop_,n)\n\n#define rep2(i,n) rep3(i,0,n)\n\n#define rep3(i,begin,end) for(int i=(int)(begin),i##_end=(int)(end);i<i##_end;++i)\n\n#define repN(a) repX a\n\n#define repX(a0,a1,a2,x,...) x\n\n#define foreach(x,a) for(auto &x:a)\n\ntypedef long long ll;\n\nconst ll MOD = 1e9+7;\n\n//}}}\n\n\n\nll a[100000];\n\nll c[100000];\n\nll abc[100000];\n\nll modExp2[100001];\n\nll modExp3[100001];\n\nll numABC;\n\n\n\nint main(){\n\n string S;\n\n cin >> S;\n\n int N = S.size();\n\n rep(i, N){\n\n switch(S[i]){\n\n case 'A':\n\n a[i]++;\n\n break;\n\n case 'B':\n\n break;\n\n case 'C':\n\n c[i]++;\n\n break;\n\n case '?':\n\n abc[i]++;\n\n break;\n\n }\n\n }\n\n modExp2[0] = 1;\n\n modExp3[0] = 1;\n\n rep(i, 1, N + 1){\n\n modExp2[i] = modExp2[i - 1] * 2;\n\n modExp2[i] %= MOD;\n\n modExp3[i] = modExp3[i - 1] * 3;\n\n modExp3[i] %= MOD;\n\n }\n\n rep(i, 1, N){\n\n a[i] += a[i - 1];\n\n c[i] += c[i - 1];\n\n abc[i] += abc[i - 1];\n\n }\n\n numABC = abc[N - 1];\n\n ll ans = 0;\n\n rep(i, 1, N - 1){\n\n if(S[i] == 'B'){\n\n ans += a[i - 1] * (c[N - 1] - c[i]) * modExp3[numABC];\n\n ans %= MOD;\n\n ans += a[i - 1] * (abc[N - 1] - abc[i]) * modExp3[numABC - 1];\n\n ans %= MOD;\n\n ans += abc[i - 1] * (c[N - 1] - c[i]) * modExp3[numABC - 1];\n\n ans %= MOD;\n\n ans += abc[i - 1] * (abc[N - 1] - abc[i]) * modExp3[numABC - 2];\n\n ans %= MOD;\n\n }else if(S[i] == '?'){\n\n ans += a[i - 1] * (c[N - 1] - c[i]) * modExp3[numABC - 1];\n\n ans %= MOD;\n\n ans += a[i - 1] * (abc[N - 1] - abc[i]) * modExp3[numABC - 2];\n\n ans %= MOD;\n\n ans += abc[i - 1] * (c[N - 1] - c[i]) * modExp3[numABC - 2];\n\n ans %= MOD;\n\n ans += abc[i - 1] * (abc[N - 1] - abc[i]) * modExp3[numABC - 3];\n\n ans %= MOD;\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001933"}798{"label": "pie_cpp_validation_001934", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001934.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001934", "task_path": "tasks/validation/pie_cpp_validation_001934.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\n#define rrep(i, n) for (int i = (n) - 1; i >= 0; i--)\n\n#define reps(i, n) for (int i = 1; i <= (n); i++)\n\n#define repi(i, a, b) for (int i = (a); i < (b); i++)\n\n#define all(a) (a).begin(), (a).end()\n\n#define bit(b) (1ull << (b))\n\n\n\nusing namespace std;\n\nusing i32 = int;\n\nusing u32 = unsigned int;\n\nusing i64 = long long;\n\nusing u64 = unsigned long long;\n\nusing f64 = double;\n\nusing f80 = long double;\n\nusing pii = pair<i32, i32>;\n\nusing vi32 = vector<i32>;\n\nusing vu32 = vector<u32>;\n\nusing vi64 = vector<i64>;\n\nusing vu64 = vector<u64>;\n\nusing vf64 = vector<f64>;\n\nusing vf80 = vector<f80>;\n\nusing vstr = vector<string>;\n\nusing vpii = vector<pii>;\n\nusing vvi32 = vector<vi32>;\n\nusing vvu32 = vector<vu32>;\n\nusing vvi64 = vector<vi64>;\n\nusing vvu64 = vector<vu64>;\n\nusing vvf64 = vector<vf64>;\n\nusing vvf80 = vector<vf80>;\n\n\n\ntemplate<typename T, typename S> bool amax(T &x, S y) { if (x < y) { x = y; return 1; } return 0; }\n\ntemplate<typename T, typename S> bool amin(T &x, S y) { if (y < x) { x = y; return 1; } return 0; }\n\n\n\ntemplate<int mod> class modint {\n\npublic:\n\n int x;\n\n modint(): x(0) {}\n\n modint(int a) { x = a % mod; if (x < 0) x += mod; }\n\n modint &operator+=(modint that) { x = (x + that.x) % mod; return *this; }\n\n modint &operator-=(modint that) { x = (x + mod - that.x) % mod; return *this; }\n\n modint &operator*=(modint that) { x = (long long) x * that.x % mod; return *this; }\n\n modint &operator/=(modint that) { return *this *= that.inverse(); }\n\n modint operator-() { return modint(-this->x); }\n\n friend ostream& operator<<(ostream &out, modint m) { return out << m.x; }\n\n modint inverse() {\n\n int a = x, b = mod, u = 1, v = 0;\n\n while (b) { int t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); }\n\n return modint(u);\n\n }\n\n#define op(o, p) modint operator o(modint that) { return modint(*this) p that; }\n\n op(+, +=) op(-, -=) op(*, *=) op(/, /=)\n\n#undef op\n\n#define op(o) bool operator o(modint that) const { return x o that.x; }\n\n op(==) op(!=) op(<) op(<=) op(>) op(>=)\n\n#undef op\n\n};\n\n\n\nusing mint = modint<1000000007>;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n cout << fixed << setprecision(16);\n\n cerr << fixed << setprecision(16);\n\n string s;\n\n cin >> s;\n\n vector<vector<mint>> dp(s.size() + 1, vector<mint>(4));\n\n dp[s.size()][3] = 1;\n\n rrep(i, s.size()) rrep(j, 4) {\n\n if (j == 3) {\n\n dp[i][j] = dp[i + 1][j] * (s[i] == '?' ? 3 : 1);\n\n } else {\n\n dp[i][j] = dp[i + 1][j] * (s[i] == '?' ? 3 : 1) +\n\n dp[i + 1][j + 1] * ((s[i] == '?' || s[i] == \"ABC\"[j]) ? 1 : 0);\n\n }\n\n }\n\n cout << dp[0][0] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001934"}799{"label": "pie_cpp_validation_001935", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001935.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001935", "task_path": "tasks/validation/pie_cpp_validation_001935.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\n#define rrep(i, n) for (int i = (n) - 1; i >= 0; i--)\n\n#define reps(i, n) for (int i = 1; i <= (n); i++)\n\n#define repi(i, a, b) for (int i = (a); i < (b); i++)\n\n#define all(a) (a).begin(), (a).end()\n\n#define bit(b) (1ull << (b))\n\n\n\nusing namespace std;\n\nusing i32 = int;\n\nusing u32 = unsigned int;\n\nusing i64 = long long;\n\nusing u64 = unsigned long long;\n\nusing f64 = double;\n\nusing f80 = long double;\n\nusing pii = pair<i32, i32>;\n\nusing vi32 = vector<i32>;\n\nusing vu32 = vector<u32>;\n\nusing vi64 = vector<i64>;\n\nusing vu64 = vector<u64>;\n\nusing vf64 = vector<f64>;\n\nusing vf80 = vector<f80>;\n\nusing vstr = vector<string>;\n\nusing vpii = vector<pii>;\n\nusing vvi32 = vector<vi32>;\n\nusing vvu32 = vector<vu32>;\n\nusing vvi64 = vector<vi64>;\n\nusing vvu64 = vector<vu64>;\n\nusing vvf64 = vector<vf64>;\n\nusing vvf80 = vector<vf80>;\n\n\n\ntemplate<typename T, typename S> bool amax(T &x, S y) { if (x < y) { x = y; return 1; } return 0; }\n\ntemplate<typename T, typename S> bool amin(T &x, S y) { if (y < x) { x = y; return 1; } return 0; }\n\n\n\ntemplate<int mod> class modint {\n\npublic:\n\n int x;\n\n modint(): x(0) {}\n\n modint(int a) { x = a % mod; if (x < 0) x += mod; }\n\n modint &operator+=(modint that) { x = (x + that.x) % mod; return *this; }\n\n modint &operator-=(modint that) { x = (x + mod - that.x) % mod; return *this; }\n\n modint &operator*=(modint that) { x = (long long) x * that.x % mod; return *this; }\n\n modint &operator/=(modint that) { return *this *= that.inverse(); }\n\n modint operator-() { return modint(-this->x); }\n\n friend ostream& operator<<(ostream &out, modint m) { return out << m.x; }\n\n modint inverse() {\n\n int a = x, b = mod, u = 1, v = 0;\n\n while (b) { int t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); }\n\n return modint(u);\n\n }\n\n#define op(o, p) modint operator o(modint that) { return modint(*this) p that; }\n\n op(+, +=) op(-, -=) op(*, *=) op(/, /=)\n\n#undef op\n\n#define op(o) bool operator o(modint that) const { return x o that.x; }\n\n op(==) op(!=) op(<) op(<=) op(>) op(>=)\n\n#undef op\n\n};\n\n\n\nusing mint = modint<1000000007>;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n cout << fixed << setprecision(16);\n\n cerr << fixed << setprecision(16);\n\n string s;\n\n cin >> s;\n\n int n = s.size();\n\n vector<vector<mint>> dp(n + 1, vector<mint>(4));\n\n dp[0][0] = 1;\n\n rep(i, n) rep(j, 4) {\n\n if (j < 3) {\n\n if (s[i] == \"ABC\"[j] || s[i] == '?') {\n\n dp[i + 1][j + 1] += dp[i][j];\n\n }\n\n }\n\n if (s[i] == '?') {\n\n dp[i + 1][j] += dp[i][j] * 3;\n\n } else {\n\n dp[i + 1][j] += dp[i][j];\n\n }\n\n }\n\n cout << dp[n][3] << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001935"}800{"label": "pie_cpp_validation_001936", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001936.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001936", "task_path": "tasks/validation/pie_cpp_validation_001936.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i, n) for (int i = 0; i < int(n); i++)\n\n#define rrep(i, n) for (int i = int(n) - 1; i >= 0; i--)\n\n#define reps(i, n) for (int i = 1; i <= int(n); i++)\n\n#define rreps(i, n) for (int i = int(n); i >= 1; i--)\n\n#define repc(i, n) for (int i = 0; i <= int(n); i++)\n\n#define rrepc(i, n) for (int i = int(n); i >= 0; i--)\n\n#define repi(i, a, b) for (int i = int(a); i < int(b); i++)\n\n#define repic(i, a, b) for (int i = int(a); i <= int(b); i++)\n\n#define each(x, y) for (auto &x : y)\n\n#define all(a) (a).begin(), (a).end()\n\n#define bit32(x) (1 << (x))\n\n#define bit64(x) (1ll << (x))\n\n#define sz(v) ((int) v.size())\n\n\n\nusing namespace std;\n\n\n\nusing i64 = long long;\n\nusing f80 = long double;\n\nusing vi32 = vector<int>;\n\nusing vi64 = vector<i64>;\n\nusing vf80 = vector<f80>;\n\nusing vstr = vector<string>;\n\n\n\ninline void yes() { cout << \"Yes\" << endl; exit(0); }\n\ninline void no() { cout << \"No\" << endl; exit(0); }\n\ninline i64 gcd(i64 a, i64 b) { if (min(a, b) == 0) return max(a, b); if (a % b == 0) return b; return gcd(b, a % b); }\n\ninline i64 lcm(i64 a, i64 b) { if (min(a, b) == 0) return max(a, b); return a / gcd(a, b) * b; }\n\ntemplate <typename T> class pqasc : public priority_queue<T, vector<T>, greater<T>> {};\n\ntemplate <typename T> class pqdesc : public priority_queue<T, vector<T>, less<T>> {};\n\ntemplate <typename T> inline void amax(T &x, T y) { x = max(x, y); }\n\ntemplate <typename T> inline void amin(T &x, T y) { x = min(x, y); }\n\ntemplate <typename T> inline T exp(T x, i64 n, T e = 1) { T r = e; while (n > 0) { if (n & 1) r *= x; x *= x; n >>= 1; } return r; }\n\ntemplate <typename T> istream& operator>>(istream &is, vector<T> &v) { each(x, v) is >> x; return is; }\n\ntemplate <typename T> ostream& operator<<(ostream &os, vector<T> &v) { rep(i, v.size()) { if (i) os << ' '; os << v[i]; } return os; }\n\nvoid solve(); int main() { ios::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(16); solve(); return 0; }\n\n\n\ntemplate <int mod>\n\nstruct ModInt {\n\n int x;\n\n ModInt(): x(0) {}\n\n ModInt(long long a) { x = a % mod; if (x < 0) x += mod; }\n\n ModInt &operator+=(ModInt that) { x = (x + that.x) % mod; return *this; }\n\n ModInt &operator-=(ModInt that) { x = (x + mod - that.x) % mod; return *this; }\n\n ModInt &operator*=(ModInt that) { x = (long long) x * that.x % mod; return *this; }\n\n ModInt &operator/=(ModInt that) { return *this *= that.inverse(); }\n\n ModInt inverse() {\n\n int a = x, b = mod, u = 1, v = 0;\n\n while (b) { int t = a / b; a -= t * b; u -= t * v; swap(a, b); swap(u, v); }\n\n return ModInt(u);\n\n }\n\n #define op(o, p) ModInt operator o(ModInt that) { return ModInt(*this) p that; }\n\n op(+, +=) op(-, -=) op(*, *=) op(/, /=)\n\n #undef op\n\n friend ostream& operator<<(ostream &os, ModInt m) { return os << m.x; }\n\n};\n\n\n\nusing mint = ModInt<1000000007>;\n\n\n\nvoid solve() {\n\n string s;\n\n cin >> s;\n\n int n = sz(s);\n\n vi32 asum(n + 1);\n\n vi32 csum(n + 1);\n\n vi32 qsum(n + 1);\n\n rep(i, n) asum[i + 1] += asum[i] + (s[i] == 'A');\n\n rep(i, n) csum[i + 1] += csum[i] + (s[i] == 'C');\n\n rep(i, n) qsum[i + 1] += qsum[i] + (s[i] == '?');\n\n mint ans = 0;\n\n rep(i, n) {\n\n if (s[i] == 'A' || s[i] == 'C') continue;\n\n mint sum = 0;\n\n int x = 0;\n\n if (s[i] == '?') x += 1;\n\n {\n\n int a = asum[i];\n\n int c = csum[n] - csum[i + 1];\n\n sum += (mint) a * c * exp((mint) 3, qsum[n] - x);\n\n }\n\n {\n\n int a = qsum[i];\n\n int c = csum[n] - csum[i + 1];\n\n sum += (mint) a * c * exp((mint) 3, qsum[n] - x - 1);\n\n }\n\n {\n\n int a = asum[i];\n\n int c = qsum[n] - qsum[i + 1];\n\n sum += (mint) a * c * exp((mint) 3, qsum[n] - x - 1);\n\n }\n\n {\n\n int a = qsum[i];\n\n int c = qsum[n] - qsum[i + 1];\n\n sum += (mint) a * c * exp((mint) 3, qsum[n] - x - 2);\n\n }\n\n ans += sum;\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001936"}801{"label": "pie_cpp_validation_001937", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001937.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001937", "task_path": "tasks/validation/pie_cpp_validation_001937.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define all(vec) vec.begin(),vec.end()\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> P;\n\nconst ll MOD=1000000007;\n\nconst ll INF=1000000001;\n\nconst ll LINF=4000000000000000010;\n\nconst double EPS=1e-9;\n\nll ac[100010],cc[100010],hc[100010];\n\nll f[300010],fi[300010];\n\nll mod_pow(ll x,ll n,ll mod){\n\n ll ret=1;\n\n while(n>0){\n\n if(n&1){\n\n ret=ret*x%mod;\n\n }\n\n x=x*x%mod;\n\n n>>=1;\n\n }\n\n return ret;\n\n}\n\n \n\nvoid fact(ll n){\n\n\tf[0]=1;\n\n\tfor(ll i=1;i<=n;i++){\n\n\t\tf[i]=f[i-1]*i%MOD;\n\n\t}\n\n\tfi[n]=mod_pow(f[n],MOD-2,MOD);\n\n\tfor(ll i=n-1;i>=0;i--){\t\t\n\n\t\tfi[i]=fi[i+1]*(i+1)%MOD;\n\n\t}\n\n}\n\n \n\nll ncr(ll n,ll r){\n\n\tif(r==0){\n\n\t\treturn 1;\n\n\t}else{\n\n\t\treturn ((f[n]*fi[r])%MOD*fi[n-r])%MOD;\n\n\t}\n\n}\n\nll b[100010];\n\n//ac*(cc+hc)*(3^hh)\n\nint main(){\n\n string s;cin>>s;\n\n int n=s.length();\n\n fact(n+1);\n\n b[0]=1;\n\n for(int i=0;i<=n;i++){\n\n b[i+1]=b[i]*3;\n\n b[i+1]%=MOD;\n\n }\n\n for(int i=0;i<n;i++){\n\n if(s[i]=='A'){\n\n ac[i]++;\n\n }else if(s[i]=='C'){\n\n cc[i]++;\n\n }else if(s[i]=='?'){\n\n hc[i]++;\n\n }\n\n ac[i+1]+=ac[i];\n\n cc[i+1]+=cc[i];\n\n hc[i+1]+=hc[i];\n\n }\n\n ll ans=0;\n\n for(int i=1;i<n-1;i++){\n\n if(s[i]=='B'||s[i]=='?'){\n\n ll acc=ac[i-1];\n\n ll ccc=cc[n-1]-cc[i];\n\n ll hc1=hc[i-1];\n\n ll hc2=hc[n-1]-hc[i];\n\n ll s2=(ccc*b[hc2]%MOD+hc2*b[hc2-1]%MOD)%MOD;\n\n ans+=acc*s2%MOD*b[hc1]%MOD;\n\n ans%=MOD;\n\n ans+=hc1*s2%MOD*b[hc1-1]%MOD;\n\n ans%=MOD;\n\n }\n\n }\n\n cout<<ans<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001937"}802{"label": "pie_cpp_validation_001938", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001938.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001938", "task_path": "tasks/validation/pie_cpp_validation_001938.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nconst int mod = 1e9 + 7;\n\nstring s;\n\nunsigned f[4];\n\n\n\nvoid add(unsigned &a, unsigned b) {\n\n a += b;\n\n while (a >= mod) a -= mod;\n\n}\n\n\n\nint main(void) {\n\n cin >> s;\n\n f[0] = 1;\n\n for (int i = 0; i < s.size(); ++i) {\n\n for (int j = 3; j >= 0; --j) {\n\n add(f[j], f[j] * 2 * (s[i] == '?'));\n\n if (j) add(f[j], f[j-1] * (s[i] == '?' || s[i] == 'A' + j - 1));\n\n }\n\n }\n\n cout << f[3] << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001938"}803{"label": "pie_cpp_validation_001939", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001939.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001939", "task_path": "tasks/validation/pie_cpp_validation_001939.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst long long mod=1000000007;\n\nint main(){\n\n string s;cin>>s;\n\n int n=s.size();\n\n long long dp[n][4];\n\n fill(dp[0],dp[0]+n*4,0LL);\n\n if(s[0]=='?')dp[0][0]=3,dp[0][1]=1;\n\n else if(s[0]=='A')dp[0][0]=dp[0][1]=1;\n\n else dp[0][0]=1;\n\n for(int i=1;i<n;i++){\n\n for(int j=0;j<4;j++){\n\n if(!j){\n\n if(s[i]=='?')dp[i][j]=dp[i-1][j]*3;\n\n else dp[i][j]=dp[i-1][j];\n\n }\n\n else{\n\n if(s[i]=='?')dp[i][j]=dp[i-1][j]*3+dp[i-1][j-1];\n\n else if(s[i]=='A'+j-1)dp[i][j]=dp[i-1][j]+dp[i-1][j-1];\n\n else dp[i][j]=dp[i-1][j];\n\n }\n\n dp[i][j]%=mod;\n\n }\n\n }\n\n printf(\"%lld\\n\",dp[n-1][3]);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001939"}804{"label": "pie_cpp_validation_001940", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001940.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001940", "task_path": "tasks/validation/pie_cpp_validation_001940.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n/*\n\n\tName: We Love ABC\n\n\tAuthor: Jerryjiang090210\n\n\tDate: 29/06/19 16:40\n\n\tDescription: Standard code 1\n\n*/\n\n\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int maxn=(1e5+10),MOD=(1e9+7);\n\nstring s;\n\nll dp[maxn][4]={};\n\nint main()\n\n{\n\n\tcin>>s;\n\n\tint n=s.size();\n\n\tfor(int i=n;i>=0;i--)\n\n\t{\n\n\t\tfor(int j=3;j>=0;j--)\n\n\t\t{\n\n\t\t\tif(i==n)\n\n\t\t\t{\n\n\t\t\t\tdp[i][j]=j==3?1:0;\n\n\t\t\t}\n\n\t\t\telse\n\n\t\t\t{\n\n\t\t\t\tdp[i][j]=dp[i+1][j]*(s[i]=='?'?3LL:1LL);\n\n\t\t\t\tif(j<3&&(s[i]=='?'||s[i]==\"ABC\"[j]))\n\n\t\t\t\t\tdp[i][j]+=dp[i+1][j+1];\n\n\t\t\t}\n\n\t\t\tdp[i][j]%=MOD;\n\n\t\t}\n\n\t}\n\n\tcout<<dp[0][0]<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001940"}805{"label": "pie_cpp_validation_001941", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001941.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001941", "task_path": "tasks/validation/pie_cpp_validation_001941.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <cmath>\n\n#include <iomanip>\n\n#include <stack>\n\n#include <queue>\n\n#include <numeric>\n\n#include <map>\n\n#include <unordered_map>\n\n#include <set>\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n#define all(x) x.begin(), x.end()\n\n#define rall(x) x.rbegin(), x.rend()\n\n#define pb push_back\n\n#define mod 1000000007\n\nusing ll = long long;\n\nusing namespace std;\n\n\n\nint main(){\n\n string s;\n\n cin >> s;\n\n int ssize = (int)s.size();\n\n vector<ll> md3n;\n\n ll tp = 1;\n\n rep(i,101000){\n\n md3n.pb(tp); tp*=3; tp %= mod;\n\n }\n\n\n\n int count_ = 0;\n\n vector<vector<ll>> dp(3,vector<ll>(ssize));\n\n rep(y,3) rep(x,ssize) dp[y][x]=0;\n\n ll Acnt = 0;\n\n rep(i,ssize){\n\n if(s[i]!='?'){\n\n if(s[i]=='A') {\n\n Acnt += md3n[count_];\n\n Acnt %= mod;\n\n }\n\n dp[0][i] = Acnt % mod;\n\n\n\n if(i==0) continue;\n\n\n\n dp[1][i] = dp[1][i-1];\n\n if(s[i]=='B') dp[1][i] += dp[0][i];\n\n dp[1][i]%=mod;\n\n\n\n dp[2][i] = dp[2][i-1];\n\n if(s[i]=='C') dp[2][i] += dp[1][i];\n\n dp[2][i] %= mod;\n\n }\n\n else{\n\n\n\n if(i==0){ dp[0][0]=1; Acnt++; count_++; continue; }\n\n ll tmp[3][3];\n\n tmp[0][0] = tmp[0][1] = tmp[0][2] = dp[0][i-1];\n\n tmp[0][0]+=md3n[count_]; tmp[0][0] %= mod;\n\n\n\n tmp[1][0] = tmp[1][1] = tmp[1][2] = dp[1][i-1];\n\n tmp[1][1] += tmp[0][1]; tmp[1][1] %= mod;\n\n\n\n tmp[2][0] = tmp[2][1] = tmp[2][2] = dp[2][i-1];\n\n tmp[2][2] += tmp[1][2]; tmp[2][2] %= mod;\n\n\n\n dp[0][i] = tmp[0][0]+tmp[0][1]+tmp[0][2];\n\n dp[1][i] = tmp[1][0]+tmp[1][1]+tmp[1][2];\n\n dp[2][i] = tmp[2][0]+tmp[2][1]+tmp[2][2];\n\n dp[0][i] %= mod;\n\n dp[1][i] %= mod;\n\n dp[2][i] %= mod;\n\n\n\n Acnt = Acnt*3 + md3n[count_];\n\n Acnt %= mod;\n\n count_++;\n\n }\n\n }\n\n\n\n rep(y,3){\n\n rep(x,ssize){\n\n //cout << dp[y][x] << \" \" ;\n\n }\n\n //cout << endl;\n\n }\n\n\n\n cout << (dp[2][ssize-1])%mod << endl;\n\n return 0;\n\n}\n\n/*\n\n ABCBC\n\n A 11111\n\n AB 01122 //AB = AB + A\n\nABC 00113 //ABC = ABC + AB\n\n\n\n A??C A AA AB AC A? A?A A?B A?C A?? A??C\n\n A ???? 1 12 11 11 14 147 144 144 14F 14FF\n\n AB ???? 0 00 01 00 01 011 015 011 017 0177\n\nABC ???8 0 00 00 00 00 000 000 001 001 0018\n\n\n\n ??BC A B C ? ?A ?B ?C ?? ??B ??BC\n\n A ???? 1 0 0 1 14 11 11 16 166 1666\n\n AB ???? 0 0 0 0 00 01 00 01 017 0177\n\nABC ???? 0 0 0 0 00 00 00 00 000 0007\n\n\n\n ??A ? ?? ??A\n\nA 1 16 16F\n\n\n\n ??ABC ? ?? ??A ??A-B ??A-B-C\n\n A 1 16 16F 16F F 16F F F\n\n AB 0 01 011 011 10 011 1010\n\nABC 0 00 000 000 0 000 0 10\n\n\n\nAAABC 3\n\nABABC 3\n\nACABC 2\n\nBAABC 2\n\nBBABC 1\n\nBCABC 1\n\nCAABC 2\n\nCBABC 1\n\nCCABC 1\n\n\n\nA B C\n\nAA AB AC BA BB BC CA CB CC\n\n*/\n```", "split": "validation", "task_id": "pie_cpp_validation_001941"}806{"label": "pie_cpp_validation_001942", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001942.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001942", "task_path": "tasks/validation/pie_cpp_validation_001942.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define mod 1000000007\n\nlong long dp[100010][4];\n\nint main()\n\n{\n\n string s,a=\"ABC\";\n\n while(cin>>s)\n\n {\n\n memset(dp,0,sizeof(dp));\n\n dp[s.size()][3]=1;\n\n for(int i=s.size()-1;i>=0;i--)\n\n for(int j=3;j>=0;j--)\n\n {\n\n dp[i][j]=dp[i+1][j]*(s[i]=='?'?3:1);\n\n if(j<3&&(s[i]=='?'||s[i]==a[j]))\n\n dp[i][j]+=dp[i+1][j+1];\n\n dp[i][j]=dp[i][j]%mod;\n\n }\n\n cout<<dp[0][0]<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001942"}807{"label": "pie_cpp_validation_001943", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001943.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001943", "task_path": "tasks/validation/pie_cpp_validation_001943.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int mod = 1e9 + 7;\n\n\n\nlong long mod_pow(long long x, long long n){\n\n if(n == 0) return 1;\n\n long long res = mod_pow(x * x % mod, n / 2);\n\n if(n & 1) res = res * x % mod;\n\n return res;\n\n}\n\n\n\nconst long long MAX_N = 100010;\n\nlong long ca[MAX_N], cc[MAX_N], cq[MAX_N];\n\n\n\nint main(){\n\n string s;\n\n cin >> s;\n\n int n = s.size();\n\n for(int i = 0; i < n; i++){\n\n ca[i + 1] = ca[i] + (s[i] == 'A');\n\n cc[i + 1] = cc[i] + (s[i] == 'C');\n\n cq[i + 1] = cq[i] + (s[i] == '?');\n\n }\n\n long long ans = 0;\n\n for(int i = 0; i < n; i++){\n\n if(s[i] == 'B' || s[i] == '?'){\n\n long long a = ca[i];\n\n long long c = cc[n] - cc[i];\n\n long long leftq = cq[i];\n\n long long rightq = cq[n] - cq[i + 1];\n\n long long allq = cq[n] - (s[i] == '?');\n\n ans += a * c % mod * mod_pow(3, allq);\n\n ans += leftq * c % mod * mod_pow(3, allq - 1);\n\n ans += a * rightq % mod * mod_pow(3, allq - 1);\n\n ans += leftq * rightq % mod * mod_pow(3, allq - 2);\n\n ans %= mod;\n\n }\n\n }\n\n cout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001943"}808{"label": "pie_cpp_validation_001944", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03291", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001944.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001944", "task_path": "tasks/validation/pie_cpp_validation_001944.json", "visible_test_count": 1}, "problem_id": "p03291", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nA??C\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <fstream>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <vector>\n\n#include <cstring>\n\n#include <string>\n\n#include <set>\n\n#include <map>\n\n#include <stack>\n\n#include <queue>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\n#define REP(i,n) for(int i=0; i<n; ++i)\n\n#define FOR(i,a,b) for(int i=a; i<=b; ++i)\n\n#define FORR(i,a,b) for (int i=a; i>=b; --i)\n\n#define ALL(c) (c).begin(), (c).end()\n\n\n\ntypedef long long ll;\n\ntypedef vector<int> VI;\n\ntypedef vector<ll> VL;\n\n\n\nconst int MOD = (int)1e9 + 7;\n\n\n\nll pow3(int n) {\n\n if(n == 0) return 1;\n\n else if(n == -1) return 0;\n\n else if(n % 2 == 0) return pow3(n / 2) * pow3(n / 2) % MOD;\n\n else return (pow3((n - 1) / 2) * pow3((n - 1) / 2) % MOD) * 3 % MOD;\n\n}\n\n\n\nint main(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string s;\n\n cin >> s;\n\n int n = s.size();\n\n VL a(n, 0), aq(n, 0), c(n, 0), cq(n, 0);\n\n \n\n if(s[0] == 'A') a[0] = 1;\n\n else if(s[0] == '?') aq[0] = 1;\n\n FOR(i, 1, n - 1) {\n\n a[i] = a[i - 1];\n\n aq[i] = aq[i - 1];\n\n if(s[i] == 'A') a[i]++;\n\n else if(s[i] == '?') aq[i]++;\n\n }\n\n if(s[n - 1] == 'C') c[n - 1] = 1;\n\n else if(s[n - 1] == '?') cq[n - 1] = 1;\n\n FORR(i, n - 2, 0) {\n\n c[i] = c[i + 1];\n\n cq[i] = cq[i + 1];\n\n if(s[i] == 'C') c[i]++;\n\n else if(s[i] == '?') cq[i]++;\n\n }\n\n\n\n ll ans = 0;\n\n FOR(i, 1, n - 2) {\n\n if(s[i] == 'A' or s[i] == 'C') continue;\n\n ll a_cnt = 0;\n\n a_cnt = pow3(aq[i - 1]) * a[i - 1] % MOD;\n\n a_cnt = (a_cnt + (pow3(aq[i - 1] - 1) * aq[i - 1] % MOD)) % MOD;\n\n ll b_cnt = 0;\n\n b_cnt = pow3(cq[i + 1]) * c[i + 1] % MOD;\n\n b_cnt = (b_cnt + (pow3(cq[i + 1] - 1) * cq[i + 1] % MOD)) % MOD;\n\n ans = (ans + a_cnt * b_cnt % MOD) % MOD;\n\n }\n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001944"}809{"label": "pie_cpp_validation_001988", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001988.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001988", "task_path": "tasks/validation/pie_cpp_validation_001988.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\nusing namespace std;\n\nint H,W,N;\n\nint X[1000][1000];\n\nint DP[1000][1000];\n\nint main()\n\n{\n\n\twhile(true){\n\n\t\tfor(int i=0;i<H;i++){\n\n\t\t\tfor(int j=0;j<W;j++){\n\n\t\t\t\tDP[i][j]=0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tscanf(\"%d%d%d\",&H,&W,&N);\n\n\t\tif(H==0&&W==0&&N==0)break;\n\n\t\tfor(int i=0;i<H;i++){\n\n\t\t\tfor(int j=0;j<W;j++){\n\n\t\t\t\tscanf(\"%d\",&X[i][j]);\n\n\t\t\t}\n\n\t\t}\n\n\t\tDP[0][0]=N-1;\n\n\t\tfor(int i=0;i<H;i++){\n\n\t\t\tfor(int j=0;j<W;j++){\n\n\t\t\t\tif(i==0&&j==0)continue;\n\n\t\t\t\tif(i==0){\n\n\t\t\t\t\tif(DP[i][j-1]&1){\n\n\t\t\t\t\t\tif(X[i][j-1]==1){\n\n\t\t\t\t\t\t\tDP[i][j]=(DP[i][j-1]>>1)+1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\telse DP[i][j]=DP[i][j-1]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse{\n\n\t\t\t\t\t\tDP[i][j]=DP[i][j-1]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\telse if(j==0){\n\n\t\t\t\t\tif(DP[i-1][j]&1){\n\n\t\t\t\t\t\tif(X[i-1][j]==0){\n\n\t\t\t\t\t\t\tDP[i][j]=(DP[i-1][j]>>1)+1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\telse DP[i][j]=DP[i-1][j]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse{\n\n\t\t\t\t\t\tDP[i][j]=DP[i-1][j]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\telse{\n\n\t\t\t\t\tif(DP[i-1][j]&1){\n\n\t\t\t\t\t\tif(X[i-1][j]==0){\n\n\t\t\t\t\t\t\tDP[i][j]+=(DP[i-1][j]>>1)+1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\telse DP[i][j]+=DP[i-1][j]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse{\n\n\t\t\t\t\t\tDP[i][j]+=DP[i-1][j]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tif(DP[i][j-1]&1){\n\n\t\t\t\t\t\tif(X[i][j-1]==1){\n\n\t\t\t\t\t\t\tDP[i][j]+=(DP[i][j-1]>>1)+1;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\telse DP[i][j]+=DP[i][j-1]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse{\n\n\t\t\t\t\t\tDP[i][j]+=DP[i][j-1]>>1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor(int i=0;i<H;i++){\n\n\t\t\tfor(int j=0;j<W;j++){\n\n\t\t\t\tX[i][j]=(X[i][j]+DP[i][j])&1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tint XX=0;int YY=0;\n\n\t\twhile(XX<W&&YY<H){\n\n\t\t\tif(X[YY][XX])XX++;\n\n\t\t\telse YY++;\n\n\t\t}\n\n\t\tprintf(\"%d %d\\n\",YY+1,XX+1);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001988"}810{"label": "pie_cpp_validation_001989", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 140, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 140, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001989.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001989", "task_path": "tasks/validation/pie_cpp_validation_001989.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n #include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef pair< int , int > Pi;\n\n\n\nint main()\n\n{\n\n int H, W, N, mas[1000][1000], dp[1000][1000];\n\n\n\n while(cin >> H >> W >> N, H){\n\n for(int i = 0; i < H; i++){\n\n for(int j = 0; j < W; j++){\n\n cin >> mas[i][j];\n\n dp[i][j] = 0;\n\n }\n\n }\n\n dp[0][0] = N - 1;\n\n for(int i = 0; i < H; i++){\n\n for(int j = 0; j < W; j++){\n\n if(i + 1 < H) dp[i + 1][j] += (dp[i][j] + !mas[i][j]) >> 1;\n\n if(j + 1 < W) dp[i][j + 1] += (dp[i][j] + mas[i][j]) >> 1;\n\n }\n\n }\n\n int h = 0, w = 0;\n\n while(h != H && w != W){\n\n if((dp[h][w] + mas[h][w]) % 2) w++;\n\n else h++;\n\n }\n\n\n\n cout << h + 1 << \" \" << w + 1 << endl;\n\n\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001989"}811{"label": "pie_cpp_validation_001990", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 190, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 190, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001990.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001990", "task_path": "tasks/validation/pie_cpp_validation_001990.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nconst int Height = 1000;\n\nconst int Width = 1000;\n\nbool b_map[Height][Width];\n\nint i_map[Height+1][Width+1];\n\n\n\nint main()\n\n{\n\n\tint h, w, n;\n\n\twhile(cin >> h >> w >> n, h | w | n)\n\n\t{\n\n\t\tfor(int y=0; y < h; y++)\n\n\t\t\tfor(int x=0; x < w; x++) {\n\n\t\t\t\tcin >> b_map[y][x];\n\n\t\t\t\ti_map[y][x] = 0;\n\n\t\t\t}\n\n\t\tfor(int y=0; y < h; y++) i_map[y][w] = 0;\n\n\t\tfor(int x=0; x < w; x++) i_map[h][x] = 0;\n\n\t\ti_map[0][0] = n - 1;\n\n\t\tfor(int y=0; y < h; y++)\n\n\t\t\tfor(int x=0; x < w; x++) {\n\n\t\t\t\tif(!i_map[y][x]) continue;\n\n\t\t\t\tint num = i_map[y][x] >> 1;\n\n\t\t\t\tif(i_map[y][x] & 1) {\n\n\t\t\t\t\tif(b_map[y][x]) {\n\n\t\t\t\t\t\ti_map[y][x+1] += num + 1;\n\n\t\t\t\t\t\ti_map[y+1][x] += num;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse {\n\n\t\t\t\t\t\ti_map[y][x+1] += num;\n\n\t\t\t\t\t\ti_map[y+1][x] += num + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tb_map[y][x] = !b_map[y][x];\n\n\t\t\t\t}\n\n\t\t\t\telse {\n\n\t\t\t\t\ti_map[y+1][x] += num;\n\n\t\t\t\t\ti_map[y][x+1] += num;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\tint x, y;\n\n\t\tx = y = 0;\n\n\t\tdo {\n\n\t\t\tif(b_map[y][x])\n\n\t\t\t\tx++;\n\n\t\t\telse\n\n\t\t\t\ty++;\n\n\t\t}while(x < w && y < h);\n\n\t\tcout << y+1 << ' ' << x+1 << endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001990"}812{"label": "pie_cpp_validation_001991", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 150, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 150, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001991.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001991", "task_path": "tasks/validation/pie_cpp_validation_001991.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstring>\n\nusing namespace std;\n\n\n\nint map[1002][1002];\n\nlong long int dp[1002][1002];\n\nlong long int x,y;\n\nint h,w;\n\nlong int n;\n\n\n\nvoid root(int xx,int yy){\n\n\tx=xx,y=yy;\n\n\tif(xx<=w && yy<=h){\n\n\t\tif(map[xx][yy]==1){\n\n\t\t\troot(xx+1,yy);\n\n\t\t}else{\n\n\t\t\troot(xx,yy+1);\n\n\t\t}\n\n\t}\n\n}\n\n\n\nint main(void){\n\n\tint a,b,c;\n\n\twhile(1){\n\n\t\tmemset(map,0,sizeof(map));\n\n\t\tmemset(dp,0,sizeof(dp));\n\n\t\tscanf(\"%d%d%d\",&h,&w,&n);\n\n\t\tif(h==0 && w==0 && n==0)break;\n\n\t\tfor(a=1;a<=h;a++){\n\n\t\t\tfor(b=1;b<=w;b++){\n\n\t\t\t\tscanf(\"%d\",&map[b][a]);\n\n\t\t\t}\n\n\t\t}\n\n\t\tdp[1][1]=n-1;\n\n\t\tfor(a=1;a<=h;a++){\n\n\t\t\tfor(b=1;b<=w;b++){\n\n\t\t\t\tif(dp[b][a]%2==0)dp[b+1][a]+=dp[b][a]/2;\n\n\t\t\t\telse{\n\n\t\t\t\t\tif(map[b][a]==1)dp[b+1][a]+=(dp[b][a]+1)/2;\n\n\t\t\t\t\tif(map[b][a]==0)dp[b+1][a]+=(dp[b][a]-1)/2;\n\n\t\t\t\t}\n\n\t\t\t\tif(dp[b][a]%2==0)dp[b][a+1]+=dp[b][a]/2;\n\n\t\t\t\telse{\n\n\t\t\t\t\tif(map[b][a]==1)dp[b][a+1]+=(dp[b][a]-1)/2;\n\n\t\t\t\t\tif(map[b][a]==0)dp[b][a+1]+=(dp[b][a]+1)/2;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor(a=1;a<=h;a++){\n\n\t\t\tfor(b=1;b<=w;b++){\n\n\t\t\t\tmap[b][a]=(map[b][a]+dp[b][a])%2;\n\n\t\t\t}\n\n\t\t}\n\n\t\troot(1,1);\n\n\t\tcout << y << \" \" << x << endl;\n\n\t}\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001991"}813{"label": "pie_cpp_validation_001992", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001992.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001992", "task_path": "tasks/validation/pie_cpp_validation_001992.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstring>\n\n\n\nusing namespace std;\n\n\n\n#define omajinai ios::sync_with_stdio(false);cin.tie(0)\n\n#define rep(i,x) for(int i=0;i<(int)(x);++i)\n\n\n\nint a[1005][1005];\n\nint dp[1005][1005]; // dp[i][j] := N-1???????????\u00a7???(i, j)??????????????\u00a3??????\n\n\n\nint main()\n\n{\n\n\tint H, W, N;\n\n\t\n\n\twhile (cin >> H >> W >> N, H) {\n\n\t\tmemset(dp, 0, sizeof dp);\n\n\n\n\t\trep(i, H) rep(j, W) cin >> a[i][j];\n\n\n\n\t\tdp[0][0] = N - 1;\n\n\n\n\t\trep(i, H) rep(j, W) {\n\n\t\t\tif (i == 0 && j == 0) continue;\n\n\n\n\t\t\tif (i - 1 >= 0) {\n\n\t\t\t\tbool f = (dp[i - 1][j] % 2 == 0 ? a[i - 1][j] : !a[i - 1][j]) == 0;\n\n\t\t\t\tdp[i][j] += (f ? (dp[i - 1][j] / 2) : (dp[i - 1][j] + 1) / 2);\n\n\t\t\t}\n\n\n\n\t\t\tif (j - 1 >= 0) {\n\n\t\t\t\tbool f = (dp[i][j - 1] % 2 == 0 ? a[i][j - 1] : !a[i][j - 1]) == 1;\n\n\t\t\t\tdp[i][j] += (f ? dp[i][j - 1] / 2 : (dp[i][j - 1] + 1) / 2);\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\trep(i, H) rep(j, W) {\n\n\t\t\ta[i][j] ^= dp[i][j] % 2;\n\n\t\t}\n\n\n\n\t\tint y = 0, x = 0;\n\n\n\n\t\twhile (y < H && x < W) {\n\n\t\t\t(a[y][x] ? x : y)++;\n\n\t\t}\n\n\n\n\t\tcout << y + 1 << ' ' << x + 1 << endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001992"}814{"label": "pie_cpp_validation_001993", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001993.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001993", "task_path": "tasks/validation/pie_cpp_validation_001993.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,n)for(int i=0;i<(n);i++)\n\nusing namespace std;\n\n\n\nint a[1000][1000], dp[1000][1000], b[1000][1000];\n\nint main() {\n\n\tint h, w, n;\n\n\twhile (scanf(\"%d%d%d\", &h, &w, &n), h) {\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tscanf(\"%d\", &a[i][j]); b[i][j] = a[i][j];\n\n\t\t}\n\n\t\tmemset(dp, 0, sizeof(dp));\n\n\t\tdp[0][0] = n - 1;\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tif (i) {\n\n\t\t\t\tif (a[i - 1][j])dp[i][j] += dp[i - 1][j] / 2;\n\n\t\t\t\telse dp[i][j] += (dp[i - 1][j] + 1) / 2;\n\n\t\t\t}\n\n\t\t\tif (j) {\n\n\t\t\t\tif (a[i][j - 1])dp[i][j] += (dp[i][j - 1] + 1) / 2;\n\n\t\t\t\telse dp[i][j] += dp[i][j - 1] / 2;\n\n\t\t\t}\n\n\t\t\tif (dp[i][j] & 1)b[i][j] = !b[i][j];\n\n\t\t}\n\n\t\tint x = 0, y = 0;\n\n\t\twhile (x < h&&y < w) {\n\n\t\t\tif (b[x][y])y++;\n\n\t\t\telse x++;\n\n\t\t}\n\n\t\tprintf(\"%d %d\\n\", x + 1, y + 1);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001993"}815{"label": "pie_cpp_validation_001994", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001994.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001994", "task_path": "tasks/validation/pie_cpp_validation_001994.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,n)for(int i=0;i<(n);i++)\n\nusing namespace std;\n\n\n\nchar a[1000][1000];\n\nint dp[1000][1000];\n\nint main() {\n\n\tint h, w, n;\n\n\twhile (scanf(\"%d%d%d\", &h, &w, &n), h) {\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tint d; scanf(\"%d\", &d); a[i][j] = d;\n\n\t\t}\n\n\t\tmemset(dp, 0, sizeof(dp));\n\n\t\tdp[0][0] = n - 1;\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tif (i) {\n\n\t\t\t\tif (a[i - 1][j])dp[i][j] += dp[i - 1][j] / 2;\n\n\t\t\t\telse dp[i][j] += (dp[i - 1][j] + 1) / 2;\n\n\t\t\t}\n\n\t\t\tif (j) {\n\n\t\t\t\tif (a[i][j - 1])dp[i][j] += (dp[i][j - 1] + 1) / 2;\n\n\t\t\t\telse dp[i][j] += dp[i][j - 1] / 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tif (dp[i][j] & 1)a[i][j] = !a[i][j];\n\n\t\t}\n\n\t\tint x = 0, y = 0;\n\n\t\twhile (x < h&&y < w) {\n\n\t\t\tif (a[x][y])y++;\n\n\t\t\telse x++;\n\n\t\t}\n\n\t\tprintf(\"%d %d\\n\", x + 1, y + 1);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001994"}816{"label": "pie_cpp_validation_001995", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001995.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001995", "task_path": "tasks/validation/pie_cpp_validation_001995.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,n)for(int i=0;i<(n);i++)\n\nusing namespace std;\n\nint a[1000][1000], dp[1000][1000];\n\nint main() {\n\n\tint h, w, n;\n\n\twhile (scanf(\"%d%d%d\", &h, &w, &n), h) {\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tgetchar(); a[i][j] = getchar() - '0';\n\n\t\t}\n\n\t\tmemset(dp, 0, sizeof(dp));\n\n\t\tdp[0][0] = n - 1;\n\n\t\trep(i, h)rep(j, w) {\n\n\t\t\tif (i) {\n\n\t\t\t\tif (a[i - 1][j])dp[i][j] += dp[i - 1][j] >> 1;\n\n\t\t\t\telse dp[i][j] += (dp[i - 1][j] + 1) >> 1;\n\n\t\t\t}\n\n\t\t\tif (j) {\n\n\t\t\t\tif (a[i][j - 1])dp[i][j] += (dp[i][j - 1] + 1) >> 1;\n\n\t\t\t\telse dp[i][j] += dp[i][j - 1] >> 1;\n\n\t\t\t}\n\n\t\t}\n\n\t\tint x = 0, y = 0;\n\n\t\twhile (x < h&&y < w) {\n\n\t\t\tif (dp[x][y] & 1)a[x][y] = !a[x][y];\n\n\t\t\tif (a[x][y])y++;\n\n\t\t\telse x++;\n\n\t\t}\n\n\t\tprintf(\"%d %d\\n\", x + 1, y + 1);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001995"}817{"label": "pie_cpp_validation_001996", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001996.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001996", "task_path": "tasks/validation/pie_cpp_validation_001996.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint W,H,K;\n\nint m[1001][1001];\n\nint c[1001][1001];\n\n\n\nint dx[] = {0,1};\n\nint dy[] = {1,0};\n\n\n\nint sim(){\n\n\tint x = 0 , y = 0;\n\n\twhile(x < W && y < H){\n\n\n\n\t\tint d = c[y][x];\n\n\t\tx += dx[d];\n\n\t\ty += dy[d];\n\n\t}\n\n\tcout << y+1 << \" \" << x+1 << endl;\n\n}\n\n\n\nint main(){\n\n\n\n\twhile(cin >> H >> W >> K && H){\n\n\t\tfor(int i = 0 ; i < H ; i++){\n\n\t\t\tfor(int j = 0 ; j < W ; j++){\n\n\t\t\t\tcin >> m[i][j];\n\n\t\t\t\tc[i][j] = 0;\n\n\t\t\t}\n\n\t\t}\n\n\t\tc[0][0] = K-1;\n\n\t\tfor(int i = 0 ; i < H ; i++){\n\n\t\t\tfor(int j = 0 ; j < W ; j++){\n\n\t\t\t\tint x = c[i][j];\n\n\t\t\t\tc[i+1][j] += x/2;\n\n\t\t\t\tc[i][j+1] += x/2;\n\n\t\t\t\tc[i+dy[m[i][j]]][j+dx[m[i][j]]] += x%2; \n\n\t\t\t}\n\n\t\t}\n\n\t\tfor(int i = 0 ; i < H ; i++){\n\n\t\t\tfor(int j = 0 ; j < W ; j++){\n\n\t\t\t\tc[i][j] = (c[i][j]+m[i][j])%2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tsim();\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001996"}818{"label": "pie_cpp_validation_001997", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 150, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 150, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001997.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001997", "task_path": "tasks/validation/pie_cpp_validation_001997.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<utility>\n\nusing namespace std;\n\n\n\nint h, w, n;\n\nint field[1001][1001];\n\npair<int, bool> dp[1002][1002];\n\nint main()\n\n{\n\n while(cin >> h >> w >> n && (h || w || n)){\n\n\n\n //part1\n\n for(int i = 1; i <= h + 1; i++)\n\n for(int j = 1; j <= w + 1; j++)\n\n\tdp[i][j] = make_pair(0, false);\n\n \n\n for(int i = 1; i <= h; i++)\n\n for(int j = 1; j <= w; j++)\n\n\tcin >> field[i][j];\n\n\n\n //part2\n\n dp[1][1] = make_pair(n, true);\n\n for(int i = 1; i <= h; i++){\n\n for(int j = 1; j <= w; j++){\n\n\n\n\t//part2-1\n\n\tif(dp[i][j].first % 2){\n\n\t if(field[i][j]){\n\n\t dp[i][j + 1].first += dp[i][j].first / 2 + 1;\n\n\t dp[i + 1][j].first += dp[i][j].first / 2;\n\n\t }\n\n\t else{\n\n\t dp[i][j + 1].first += dp[i][j].first / 2;\n\n\t dp[i + 1][j].first += dp[i][j].first / 2 + 1;\n\n\t }\n\n\t}\n\n\telse{\n\n\t dp[i][j + 1].first += dp[i][j].first / 2;\n\n\t dp[i + 1][j].first += dp[i][j].first / 2;\n\n\t}\n\n\n\n\t//part2-2\n\n\tif(dp[i][j].second){\n\n\t if(dp[i][j].first % 2){\n\n\t if(field[i][j])\n\n\t dp[i][j + 1].second = true;\n\n\t else\n\n\t dp[i + 1][j].second = true;\n\n\t }\n\n\t else{\n\n\t if(field[i][j])\n\n\t dp[i + 1][j].second = true;\n\n\t else\n\n\t dp[i][j + 1].second = true;\n\n\t }\n\n\t}\n\n }\n\n }\n\n\n\n //part3\n\n pair<int, int> ans;\n\n for(int i = 1; i <= h; i++)\n\n if(dp[i][w + 1].second)\n\n\tans = make_pair(i, w + 1);\n\n\n\n for(int i = 1; i <= w; i++)\n\n if(dp[h + 1][i].second)\n\n\tans = make_pair(h + 1, i);\n\n\n\n cout << ans.first << \" \" << ans.second << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001997"}819{"label": "pie_cpp_validation_001998", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001998.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001998", "task_path": "tasks/validation/pie_cpp_validation_001998.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include <cstring>\n\n#include <iostream>\n\n\n\n#pragma warning(disable : 4996)\n\n\n\nusing namespace std;\n\n\n\nint H, W, N, r[1000][1000], dp[1001][1001];\n\n\n\nint main()\n\n{\n\n\twhile (true)\n\n\t{\n\n\t\tscanf(\"%d\", &H);\n\n\t\tscanf(\"%d\", &W);\n\n\t\tscanf(\"%d\", &N);\n\n\n\n\t\tif (H == 0 && W == 0 && N == 0) { break; }\n\n\n\n\t\tfor (int i = 0; i < H; i++)\n\n\t\t{\n\n\t\t\tfor (int j = 0; j < W; j++)\n\n\t\t\t{\n\n\t\t\t\tscanf(\"%d\", &r[i][j]);\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tmemset(dp, 0, sizeof(dp));\n\n\n\n\t\tdp[0][0] = N;\n\n\n\n\t\tfor (int i = 0; i < H; i++)\n\n\t\t{\n\n\t\t\tfor (int j = 0; j < W; j++)\n\n\t\t\t{\n\n\t\t\t\tif (dp[i][j] % 2 == 0)\n\n\t\t\t\t{\n\n\t\t\t\t\tdp[i + 1][j] += dp[i][j] / 2;\n\n\t\t\t\t\tdp[i][j + 1] += dp[i][j] / 2;\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t{\n\n\t\t\t\t\tif (r[i][j] == 0)\n\n\t\t\t\t\t{\n\n\t\t\t\t\t\tdp[i + 1][j] += dp[i][j] / 2 + 1;\n\n\t\t\t\t\t\tdp[i][j + 1] += dp[i][j] / 2;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse\n\n\t\t\t\t\t{\n\n\t\t\t\t\t\tdp[i + 1][j] += dp[i][j] / 2;\n\n\t\t\t\t\t\tdp[i][j + 1] += dp[i][j] / 2 + 1;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tint x = 0, y = 0;\n\n\n\n\t\twhile (x != W && y != H)\n\n\t\t{\n\n\t\t\tint dir = (r[y][x] + dp[y][x] + 1) % 2;\n\n\n\n\t\t\tif (dir == 0)\n\n\t\t\t{\n\n\t\t\t\ty++;\n\n\t\t\t}\n\n\t\t\telse\n\n\t\t\t{\n\n\t\t\t\tx++;\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tprintf(\"%d %d\\n\", y + 1, x + 1); // 1 - indexed\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001998"}820{"label": "pie_cpp_validation_001999", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_001999.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_001999", "task_path": "tasks/validation/pie_cpp_validation_001999.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstring>\n\n#include<cstdio>\n\nusing namespace std;\n\n\n\n#define MAX_N 2000\n\n\n\nlong long x[MAX_N][MAX_N];\n\nlong long dp[MAX_N][MAX_N];\n\nint h, w, n, cx, cy;\n\nint main() {\n\n\twhile (true) {\n\n\t\tmemset(dp, 0, sizeof(dp));\n\n\t\tcin >> h >> w >> n;\n\n\t\tif (h == 0 && w == 0 && n == 0) { break; }\n\n\t\tfor (int i = 1; i <= h; i++) {\n\n\t\t\tfor (int j = 1; j <= w; j++) {\n\n\t\t\t\tscanf(\"%d\", &x[i][j]);\n\n\t\t\t}\n\n\t\t}\n\n\t\tdp[1][1] = n - 1;\n\n\t\tfor (int i = 2; i <= h + w; i++) {\n\n\t\t\tfor (int j = 1; j <= h; j++) {\n\n\t\t\t\tint k = i - j;\n\n\t\t\t\tif (k >= 1 && k <= w) {\n\n\t\t\t\t\tif (x[j][k] == 0) {\n\n\t\t\t\t\t\tdp[j][k + 1] += dp[j][k] / 2;\n\n\t\t\t\t\t\tdp[j + 1][k] += (dp[j][k] + 1) / 2;\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse {\n\n\t\t\t\t\t\tdp[j][k + 1] += (dp[j][k] + 1) / 2;\n\n\t\t\t\t\t\tdp[j + 1][k] += dp[j][k] / 2;\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor (int i = 1; i <= h; i++) {\n\n\t\t\tfor (int j = 1; j <= w; j++) {\n\n\t\t\t\tx[i][j] += dp[i][j];\n\n\t\t\t\tx[i][j] %= 2;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcx = 1; cy = 1;\n\n\t\twhile (cx <= w && cy <= h) {\n\n\t\t\tif (x[cy][cx] == 0) {\n\n\t\t\t\tcy++;\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tcx++;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout << cy << ' ' << cx << endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_001999"}821{"label": "pie_cpp_validation_002000", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 140, "hidden_test_count": 1, "problem_id": "p00464", "reference_metric": "runtime_cpu_ns", "reference_value": 140, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002000.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002000", "task_path": "tasks/validation/pie_cpp_validation_002000.json", "visible_test_count": 1}, "problem_id": "p00464", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 4 3\n1 0 1 1\n0 1 0 0\n1 0 1 0\n0 0 0\n\nExpected output:\n1 5\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\nusing namespace std;\n\n\n\nint H,W,N;\n\nint field[1000][1000];\t//\u67710,\u53571\n\nint DP[1001][1001];\n\nbool done[1001][1001] = {false};\n\n//N-1\u56de\u306e\u6563\u6b69\u3067\u901a\u3063\u305f\u56de\u6570\u3092\u8003\u3048\u308b\n\nvoid makeroot(int y,int x){\n\n\tif(y == H || x == W || done[y][x] == true)\n\n\t\treturn;\n\n\tif((x==0&&y==0)||(x==0&&done[y-1][x])||(y==0&&done[y][x-1])||(x>0&&y>0&&done[y][x-1]&&done[y-1][x]))\n\n\t\tdone[y][x] = true;\n\n\telse\n\n\t\treturn;\n\n\tif(field[y][x]){\n\n\t\tDP[y][x+1] += (DP[y][x]+1)/2;\n\n\t\tDP[y+1][x] += DP[y][x]/2;\n\n\t}\n\n\telse{\n\n\t\tDP[y][x+1] += DP[y][x]/2;\n\n\t\tDP[y+1][x] += (DP[y][x]+1)/2;\n\n\t}\n\n\tmakeroot(y,x+1);\n\n\tmakeroot(y+1,x);\n\n}\n\npair<int,int> walk(int y,int x){\n\n\tif(y == H || x == W){\n\n\t\tpair<int,int> p;\n\n\t\tp.first = y;\n\n\t\tp.second = x;\n\n\t\treturn p;\n\n\t}\n\n\tif((field[y][x]+DP[y][x])%2)\n\n\t\treturn walk(y,x+1);\n\n\telse\n\n\t\treturn walk(y+1,x);\n\n}\n\nint main(){\n\n\tint i,j;\n\n\tpair<int,int> pos[200];\n\n\tint pcor = 0;\n\n\twhile(1){\n\n\t\tcin>>H>>W>>N;\n\n\t\tif(H==0&&W==0&&N==0)\n\n\t\t\tbreak;\n\n\t\tfor(i=0;i<H;i++){\n\n\t\t\tfor(j=0;j<W;j++){\n\n\t\t\t\tcin>>field[i][j];\n\n\t\t\t}\n\n\t\t}\n\n\t\tfor(i=0;i<=H;i++){\n\n\t\t\tfor(j=0;j<=W;j++){\n\n\t\t\t\tDP[i][j]=0;\n\n\t\t\t\tdone[i][j] = false;\n\n\t\t\t}\n\n\t\t}\n\n\t\tDP[0][0] = N-1;\n\n\t\tmakeroot(0,0);\n\n\t\tpos[pcor] = walk(0,0);\n\n\t\tpcor++;\n\n\t}\n\n\tfor(i = 0;i < pcor;i++)\n\n\t\tcout << pos[i].first+1 << \" \" << pos[i].second+1 << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002000"}822{"label": "pie_cpp_validation_002073", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002073.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002073", "task_path": "tasks/validation/pie_cpp_validation_002073.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include<set>\n\nusing namespace std;\n\n\n\n\n\nvector<int> arregloPatron(string patron){\n\n\tint i= 0, j = 1;\n\n\tvector<int> arr(patron.size());\n\n\t\n\n\twhile( j < patron.size() ) {\n\n\t\tif( patron[i] != patron[j] ){\n\n\t\t\tif( i != 0){\n\n\t\t\t\ti = arr[i-1];\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tarr[j] = 0;\n\n\t\t\t\tj++;\n\n\t\t\t}\n\n\t\t\t\n\n\t\t}\n\n\t\telse if( patron[i] == patron[j] ){\n\n\t\t\tarr[j] = i+1;\n\n\t\t\ti++; j++;\n\n\t\t}\n\n\t}\n\n\t\n\n\treturn arr;\n\n\t\n\n}\n\n\n\nvoid kmp(string texto, string patron, set<int> &res ){\n\n\tvector<int> lps;\n\n\tlps = arregloPatron(patron);\n\n\t\n\n\tint i = 0, j = 0;\n\n\t\n\n\twhile( i < texto.length() ){\n\n\t\tif( texto[i] == patron[j] ){\n\n\t\t\ti++;\n\n\t\t\tj++;\n\n\t\t}\n\n\t\telse {\n\n\t\t\tif( j != 0 ){\n\n\t\t\t\tj = lps[j-1];\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\ti++;\n\n\t\t\t}\n\n\t\t}\n\n\t\t\n\n\t\t//cout << i << \" \" << j << endl;\n\n\t\tif( j == patron.size() ){\n\n\t\t\tcout << i-patron.size() << endl;\n\n\t\t\t//res.insert(i-patron.size());\n\n\t\t}\n\n\t}\n\n\t\n\n\t//cout << j << endl;\n\n\t\n\n\t\n\n\t//return false;\n\n}\n\n\n\n\n\nint main(){\n\n\t\n\n\t\n\n\tstring original, patron;\n\n\tcin >> original >> patron;\n\n\tset<int> res;\n\n\tkmp(original, patron, res);\n\n\t//for(set<int> i: res)\n\n\t//\tcout << i << endl;\n\n\t//set <int> :: iterator it; \n\n\t//for(it = res.begin(); it != res.end(); it++)\n\n\t//\tcout << *it << endl;\n\n\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002073"}823{"label": "pie_cpp_validation_002074", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 260, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 260, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002074.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002074", "task_path": "tasks/validation/pie_cpp_validation_002074.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define MOD 1000000007\n\n\n\nusing namespace std;\n\n\n\nlong long fastpow(long long a, int b)\n\n{\n\n if(b == 0) return 1;\n\n if(b % 2) return (a * fastpow(a, b-1))%MOD;\n\n long long c = fastpow(a, b/2);\n\n return (c * c)%MOD;\n\n}\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(0);\n\n cin.tie(0);\n\n cout.tie(0);\n\n string tc, pt;\n\n cin>>tc;\n\n cin>>pt;\n\n \n\n long long n = tc.size();\n\n long long m = pt.size();\n\n long long m2 = m;\n\n long long h = fastpow(62,m2-1);\n\n\n\n long long patternheight = 0, tcheight = 0;\n\n for(long long i = 0; i < m2; i++){\n\n patternheight = (62 * patternheight + pt[i]) % MOD;\n\n tcheight = (62 * tcheight + tc[i]) % MOD;\n\n }\n\n\n\n for(long long i = 0; i <= n-m; i++){\n\n if(patternheight == tcheight){\n\n /* bool isMatched = true;\n\n for(long long j = 0; j < m && isMatched; j++)\n\n {\n\n if(p[j] != t[j+i]) isMatched = false;\n\n\n\n }\n\n if(isMatched) */cout<<i<<endl;\n\n\n\n }\n\n \n\n if(i < n-m) {\n\n\t\ttcheight = (62*(tcheight - (h*tc[i])) + tc[i+m2]) % MOD;\n\n\t\t\t}\n\n\t\t\n\n if(tcheight < 0){\n\n\t\ttcheight += MOD;\n\n\t\t\t}\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002074"}824{"label": "pie_cpp_validation_002075", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 260, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 260, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002075.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002075", "task_path": "tasks/validation/pie_cpp_validation_002075.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n/*#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n\n\nint main(){\n\n\t ios::sync_with_stdio(false);\n\n\tstring a, b;\n\n\tint x, i = 0;\n\n\tcin >> a >> b;\n\n\tfor(int i = 0;a[i];i++){\n\n\t\ti = a.find(b, i);\n\n\t\tif(i == -1)break;\n\n\t\tcout << i << endl;\n\n\t}\n\n\twhile((x = a.find(b, i)) != -1){\n\n\t\tcout << x << endl;\n\n\t\ti = x + 1;\n\n\t}\n\n\treturn 0;\n\n}*/\n\n\n\n#include <iostream>\n\nusing namespace std;string t,p;int main(){ios::sync_with_stdio(false);cin>>t>>p;for(int i=0;t[i];i++){i=t.find(p, i);if(i==string::npos)break;cout<<i<<'\\n';}return 0;}\n```", "split": "validation", "task_id": "pie_cpp_validation_002075"}825{"label": "pie_cpp_validation_002076", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 110, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 110, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002076.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002076", "task_path": "tasks/validation/pie_cpp_validation_002076.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<string>\n\n#include<cstring>\n\n#include<algorithm>\n\nusing namespace std;\n\n#define M0 1599937\n\n#define M1 1599977\n\n\n\ntypedef long long ll;\n\nll mh_[2];\n\nchar S1[1000001];\n\nchar S2[10001];\n\nint n,N;\n\n\n\nll mod_pow_s(ll m, int n, ll mod, char s){//\n\n ll x = 1;\n\n while (n > 0) {\n\n if (n&1) {\n\n x = (x*m)%mod;\n\n }\n\n m = (m*m)%mod;\n\n n >>= 1;\n\n }\n\n x = (x*s)%mod;\n\n return x;\n\n}\n\n\n\nll makeMH(char S[],int n, ll m){//\n\n ll mh = 0;\n\n for (int i = 1; i <= n; i++) {\n\n mh = (mh + mod_pow_s(128,n-i,m,S[i-1]) )%m;\n\n }\n\n return mh;\n\n}\n\n\n\nbool CHECK(ll o[], ll s[]){//\n\n if (o[0] == s[0] && o[1] == s[1]) {\n\n return true;\n\n }else{\n\n return false;\n\n }\n\n}\n\n\n\nll moding(ll h,ll m, int i){//\n\n h = (h - mod_pow_s(128,n-1,m,S1[i]) + m)%m;\n\n h = (h*128)%m;\n\n h = (h + S1[n+i])%m;\n\n return h;\n\n}\n\n\n\nvoid rolling(int N, int n){\n\n ll ORG[2];\n\n ORG[0] = makeMH(S2,n,M0);\n\n ORG[1] = makeMH(S2,n,M1);\n\n \n\n mh_[0] = makeMH(S1,n,M0);\n\n mh_[1] = makeMH(S1,n,M1);\n\n \n\n if(CHECK(ORG,mh_)){\n\n printf(\"0\\n\");\n\n }\n\n \n\n for (int i = 0; i < N - n; i++) {\n\n mh_[0] = moding(mh_[0],M0,i);\n\n mh_[1] = moding(mh_[1],M1,i);\n\n if (CHECK(ORG,mh_)) {\n\n printf(\"%d\\n\",i+1);\n\n }\n\n }\n\n}\n\n\n\nint main(){\n\n cin >> S1 >> S2;\n\n N = strlen(S1);\n\n n = strlen(S2);\n\n\n\n rolling(N,n);\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002076"}826{"label": "pie_cpp_validation_002077", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002077.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002077", "task_path": "tasks/validation/pie_cpp_validation_002077.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n//res\u306b\u6587\u5b57\u5217S\u306e\u4e2d\u306b\u3042\u308b\u691c\u7d22\u6587\u5b57\u5217s\u306e\u3059\u3079\u3066\u306e\u4e00\u81f4\u7b87\u6240\u306e\u958b\u59cb\u4f4d\u7f6e\u304c\u5165\u308b(0_indexed)\n\n#include <bits/stdc++.h>\n\n#define ll long long\n\n#define INF 1000000005\n\n#define MOD 1000000007\n\n#define EPS 1e-10\n\n#define rep(i,n) for(int i=0;i<(int)(n);++i)\n\n#define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i)\n\n#define srep(i,s,t) for(int i=(int)(s);i<(int)(t);++i)\n\n#define each(a,b) for(auto& (a): (b))\n\n#define all(v) (v).begin(),(v).end()\n\n#define len(v) (int)(v).size()\n\n#define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end())\n\n#define cmx(x,y) x=max(x,y)\n\n#define cmn(x,y) x=min(x,y)\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define show(x) cout<<#x<<\" = \"<<(x)<<endl\n\n#define spair(p) cout<<#p<<\": \"<<p.fi<<\" \"<<p.se<<endl\n\n#define sar(a,n) cout<<#a<<\":\";rep(kbrni,n)cout<<\" \"<<a[kbrni];cout<<endl\n\n#define svec(v) cout<<#v<<\":\";rep(kbrni,v.size())cout<<\" \"<<v[kbrni];cout<<endl\n\n#define svecp(v) cout<<#v<<\":\";each(kbrni,v)cout<<\" {\"<<kbrni.first<<\":\"<<kbrni.second<<\"}\";cout<<endl\n\n#define sset(s) cout<<#s<<\":\";each(kbrni,s)cout<<\" \"<<kbrni;cout<<endl\n\n#define smap(m) cout<<#m<<\":\";each(kbrni,m)cout<<\" {\"<<kbrni.first<<\":\"<<kbrni.second<<\"}\";cout<<endl\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int,int> P;\n\ntypedef pair<ll,ll> pll;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<ll> vl;\n\ntypedef vector<vl> vvl;\n\ntypedef vector<double> vd;\n\ntypedef vector<P> vp;\n\ntypedef vector<string> vs;\n\n\n\nconst int MAX_N = 100005;\n\n\n\nclass KMP\n\n{\n\npublic:\n\n vector<int> table, res;\n\n string pattern;\n\n int plen;\n\n KMP(const string s){\n\n pattern = s;\n\n plen = (int)pattern.size();\n\n table.resize(plen+1);\n\n table[0] = -1;\n\n int j = -1;\n\n rep(i,plen){\n\n while(j >= 0 && pattern[i] != pattern[j]){\n\n j = table[j];\n\n }\n\n table[i+1] = ++j;\n\n }\n\n }\n\n void search(const string& text){\n\n int head = 0, j = 0, tlen = (int)text.size();\n\n while(head + j < tlen){\n\n if(pattern[j] == text[head + j]) {\n\n if(++j == plen){\n\n res.push_back(head);\n\n head = head + j - table[j];\n\n j = table[j];\n\n }\n\n }else{\n\n head = head + j - table[j];\n\n if(j){\n\n j = table[j];\n\n }\n\n }\n\n }\n\n }\n\n};\n\n\n\nint main()\n\n{\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string t,p;\n\n cin >> t >> p;\n\n KMP kmp(p);\n\n kmp.search(t);\n\n vi& res = kmp.res;\n\n rep(i,len(res)){\n\n cout << res[i] << \"\\n\";\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002077"}827{"label": "pie_cpp_validation_002078", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002078.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002078", "task_path": "tasks/validation/pie_cpp_validation_002078.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <string>\n\n#include <vector>\n\n\n\nusing namespace std;\n\n\n\nconst long long MOD=1e9+7;\n\nconst long long BASE=0x234567;\n\n\n\nstruct RollingHash {\n\n string s;\n\n long long mod, base;\n\n vector<long long> hash, pow;\n\n RollingHash() {}\n\n RollingHash(string s, long long m, long long b): s(s), mod(m), base(b) {\n\n pow.resize(s.length()+1); pow[0]=1;\n\n for (size_t i=0; i<s.length(); ++i)\n\n (pow[i+1] = pow[i]*base) %= mod;\n\n\n\n hash.assign(s.length()+1, 0);\n\n for (size_t i=0; i<s.length(); ++i)\n\n (hash[i+1] = hash[i]+pow[i]*s[i]) %= mod;\n\n }\n\n long long get_hash(size_t first, size_t last) {\n\n return (hash[last]-hash[first]+mod) % mod;\n\n }\n\n long long make_hash(string t) {\n\n long long h=0;\n\n for (size_t i=0; i<t.length(); ++i)\n\n (h += pow[i]*t[i]) %= mod;\n\n\n\n return h;\n\n }\n\n long long diff(long long h, size_t pos, size_t len) {\n\n return (h*pow[pos]-get_hash(pos, pos+len))%mod;\n\n }\n\n bool is_equiv(long long h, size_t pos, size_t len) {\n\n return !diff(h, pos, len);\n\n }\n\n template <class Functor>\n\n void findall(const string &t, Functor F) {\n\n long long h=make_hash(t);\n\n for (size_t pos=0; pos+t.length()<=s.length(); ++pos)\n\n if (is_equiv(h, pos, t.length()))\n\n F(pos);\n\n }\n\n};\n\n\n\nint main() {\n\n char buf[1<<20];\n\n scanf(\"%s\", buf);\n\n string T(buf);\n\n\n\n RollingHash rhash(T, MOD, BASE);\n\n\n\n scanf(\"%s\", buf);\n\n string P(buf);\n\n\n\n auto output=[](size_t pos)->void {\n\n printf(\"%zu\\n\", pos);\n\n };\n\n\n\n rhash.findall(P, output);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002078"}828{"label": "pie_cpp_validation_002079", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 410, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 410, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002079.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002079", "task_path": "tasks/validation/pie_cpp_validation_002079.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<iomanip>\n\n#include<algorithm>\n\n#include<bitset>\n\n#include<cctype>\n\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<functional>\n\n#include<limits>\n\n#include<list>\n\n#include<map>\n\n#include<set>\n\n#include<stack>\n\n#include<string>\n\n#include<sstream>\n\n#include<queue>\n\n#include<vector>\n\nusing namespace std;\n\n\n\n#define MOD 1000000007\n\n#define INF 0x3f3f3f3f\n\n#define INFL 0x3f3f3f3f3f3f3f3fLL\n\n\n\nint main() {\n\n\tstring T, P; cin >> T >> P;\n\n\tint t = T.size(), p = P.size();\n\n\tfor (int i = 0; i <= t - p; i++) {\n\n\t\tif (T[i] == P[0]) {\n\n\t\t\tif (T.substr(i, p) == P) {\n\n\t\t\t\tprintf(\"%d\\n\", i);\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002079"}829{"label": "pie_cpp_validation_002080", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 260, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 260, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002080.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002080", "task_path": "tasks/validation/pie_cpp_validation_002080.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n string t, p;\n\n cin>>t>>p;\n\n for(int pos=0; pos<t.length(); pos++) {\n\n pos = t.find(p, pos);\n\n if(pos==string::npos) break;\n\n cout<<pos<<'\\n';\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002080"}830{"label": "pie_cpp_validation_002081", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002081.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002081", "task_path": "tasks/validation/pie_cpp_validation_002081.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstring>\n\nusing namespace std;\n\ntypedef unsigned long long ull;\n\n\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n char t[1000001], p[10001];\n\n cin>>t>>p;\n\n int tl=strlen(t);\n\n int pl=strlen(p);\n\n if(pl>tl) return 0;\n\n const ull base = 1000000007ULL;\n\n ull bt = 1;\n\n for(int i=0; i<pl; i++) bt*=base;\n\n ull th=0, ph=0;\n\n for(int i=0; i<pl; i++){\n\n ph*=base;\n\n ph+=p[i];\n\n th*=base;\n\n th+=t[i];\n\n }\n\n for(int pos=0; pos<=tl-pl; pos++) {\n\n if(th==ph) {\n\n if(memcmp(t+pos, p, pl)==0) cout<<pos<<'\\n';\n\n }\n\n th*=base;\n\n th-=bt*t[pos];\n\n th+=t[pos+pl];\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002081"}831{"label": "pie_cpp_validation_002082", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002082.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002082", "task_path": "tasks/validation/pie_cpp_validation_002082.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef unsigned long long ull;\n\null B=100000007;\n\n\n\nvector<int> contain(string a,string b){\n\n int al=a.size(),bl=b.size();\n\n vector<int> ans;\n\n if(al>bl)return ans;\n\n \n\n ull t=1;\n\n for(int i=0;i<al;i++)t*=B;\n\n\n\n int ah=0,bh=0;\n\n for(int i=0;i<al;i++)ah=ah*B+a[i];\n\n for(int i=0;i<al;i++)bh=bh*B+b[i];\n\n\n\n for(int i=0;i+al<=bl;i++){\n\n if(ah==bh)ans.push_back(i);\n\n if(i+al<bl)bh=bh*B+b[i+al]-b[i]*t;\n\n }\n\n return ans;\n\n}\n\n\n\nint main(){\n\n string t,p;\n\n cin>>t>>p;\n\n vector<int> ans=contain(p,t);\n\n for(int i=0;i<ans.size();i++)cout<<ans[i]<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002082"}832{"label": "pie_cpp_validation_002083", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 90, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 90, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002083.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002083", "task_path": "tasks/validation/pie_cpp_validation_002083.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <cstdio>\n\n#include <cstring>\n\nusing namespace std;\n\nstruct SAComp{\n\n\tconst int h,*g;\n\n\tSAComp(const int h, const int* g) : h(h), g(g) {}\n\n\tbool operator()(const int a, const int b){\n\n\t\treturn a == b ? false : g[a] != g[b] ? g[a] < g[b] : g[a+h] < g[b+h];\n\n\t}\n\n};\n\nvector<int> buildSA(string &t){\n\n\tint n=t.size();\n\n\tint g[n],b[n];\n\n\tvector<int>suff(n);\n\n\tfor(int i=0;i<n;i++)suff[i]=i,g[i]=t[i];\n\n\tb[0]=b[n-1]=0;\n\n\tsort(suff.begin(),suff.end(),SAComp(0,g));\n\n\tfor(int h=1;b[n-1]!=n-1;h<<=1){\n\n\t\tSAComp comp(h,g);\n\n\t\tsort(suff.begin(),suff.end(),comp);\n\n\t\tfor(int i=0;i<n-1;i++)b[i+1]=b[i]+comp(suff[i],suff[i+1]);\n\n\t\tfor(int i=0;i<n;i++)g[suff[i]]=b[i];\n\n\t}\n\n\treturn suff;\n\n}\n\nint main(){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\tstring s;\n\n\tcin>>s;\n\n\ts+='$';\n\n\tint n=s.size();\n\n\tvector<int>suff=buildSA(s);\n\n\tvector<pair<char,int>>sorted(n);\n\n\tfor(int i=0;i<n;i++)sorted[i]={s[(suff[i]-1+n)%n],i};\n\n\tsort(sorted.begin(),sorted.end());\n\n\n\n\t//int T;\n\n\t//for(cin>>T;T--;){\n\n\t\tstring q;\n\n\t\tcin>>q;\n\n\t\tint start=0,stop=n,idx=q.size()-1;\n\n\t\tfor(;idx>=0;idx--){\n\n\t\t\tpair<char,int> ql={q[idx],start},qr={q[idx],stop};\n\n\t\t\tstart=lower_bound(sorted.begin(),sorted.end(),ql)-sorted.begin();\n\n\t\t\tstop=lower_bound(sorted.begin(),sorted.end(),qr)-sorted.begin();\n\n\t\t\tif(start==stop)break;\n\n\t\t}\n\n\t\tif(idx<0){\n\n\t\t\t{vector<int>v;for(;start<stop;start++)v.push_back(suff[start]);sort(v.begin(),v.end());for(auto &e:v)printf(\"%d\\n\",e);}\n\n\t\t\t//puts(\"1\");\n\n\t\t}else{\n\n\t\t\t//puts(\"0\");\n\n\t\t}\n\n\t//}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002083"}833{"label": "pie_cpp_validation_002084", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002084.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002084", "task_path": "tasks/validation/pie_cpp_validation_002084.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <cstdio>\n\n#include <cstring>\n\nusing namespace std;\n\n\n\nconst int B=999999937;\n\nconst int P=1000000007;\n\n\n\nvector<long long> gen_hash(const string &s){\n\n\tvector<long long> hash(s.size());\n\n\tlong long c=0;\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tc=(c*B+s[i])%P;\n\n\t\thash[i]=c;\n\n\t}\n\n\treturn hash;\n\n}\n\nlong long pow_binary_mod(long long x,long long y,long long mod){\n\n\tlong long z=1;\n\n\tfor(;y;y>>=1){\n\n\t\tif((y&1)!=0)z=z*x%mod;\n\n\t\tx=x*x%mod;\n\n\t}\n\n\treturn z;\n\n}\n\n\n\nint main(){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\tstring s;\n\n\tcin>>s;\n\n\tvector<long long> v=gen_hash(s);\n\n\n\n\t//int T;\n\n\t//for(cin>>T;T--;){\n\n\t\tstring q;\n\n\t\tcin>>q;\n\n\t\tlong long hash=gen_hash(q)[q.size()-1];\n\n\t\tlong long Brev=pow_binary_mod(B,q.size(),P);\n\n\t\tvector<int> r;\n\n\t\tfor(int i=q.size()-1;i<s.size();i++){\n\n\t\t\tlong long h=((v[i]-(i==q.size()-1?0:v[i-q.size()])*Brev)%P+P)%P;\n\n\t\t\tif(h==hash)r.push_back(i-q.size()+1);\n\n\t\t}\n\n\t\tif(!r.empty()){\n\n\t\t\tfor(int i=0;i<r.size();i++)printf(\"%d\\n\",r[i]);\n\n\t\t\t//puts(\"1\");\n\n\t\t}else{\n\n\t\t\t//puts(\"0\");\n\n\t\t}\n\n\t//}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002084"}834{"label": "pie_cpp_validation_002085", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 90, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 90, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002085.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002085", "task_path": "tasks/validation/pie_cpp_validation_002085.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <cstdio>\n\n#include <cstring>\n\nusing namespace std;\n\n\n\nconst long long B=1000000000000000009LL;\n\nconst long long P=1000000000000000031LL;\n\n\n\nvector<long long> gen_hash(const string &s){\n\n\tvector<long long> hash(s.size());\n\n\tlong long c=0;\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tc=(c*(__int128_t)B+s[i])%P;\n\n\t\thash[i]=c;\n\n\t}\n\n\treturn hash;\n\n}\n\nlong long pow_binary_mod(long long x,long long y,long long mod){\n\n\tlong long z=1;\n\n\tfor(;y;y>>=1){\n\n\t\tif((y&1)!=0)z=(__int128_t)z*x%mod;\n\n\t\tx=(__int128_t)x*x%mod;\n\n\t}\n\n\treturn z;\n\n}\n\n\n\nint main(){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\tstring s;\n\n\tcin>>s;\n\n\tvector<long long> v=gen_hash(s);\n\n\n\n\t//int T;\n\n\t//for(cin>>T;T--;){\n\n\t\tstring q;\n\n\t\tcin>>q;\n\n\t\tlong long hash=gen_hash(q)[q.size()-1];\n\n\t\tlong long Brev=pow_binary_mod(B,q.size(),P);\n\n\t\tvector<long long> r;\n\n\t\tint i=q.size()-1;\n\n\t\tfor(;i<s.size();i++){\n\n\t\t\tif(v[i]==((i==q.size()-1?0:v[i-q.size()])*(__int128_t)Brev+hash)%P){\n\n\t\t\t\tr.push_back(i-q.size()+1);\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(!r.empty()){\n\n\t\t\tfor(int i=0;i<r.size();i++)printf(\"%d\\n\",r[i]);\n\n\t\t\t//puts(\"1\");\n\n\t\t}else{\n\n\t\t\t//puts(\"0\");\n\n\t\t}\n\n\t//}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002085"}835{"label": "pie_cpp_validation_002086", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002086.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002086", "task_path": "tasks/validation/pie_cpp_validation_002086.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <numeric>\n\n#include <cstdio>\n\n#include <cstring>\n\nusing namespace std;\n\n\n\nconst int B=999999937;\n\nconst int P=1000000007;\n\n\n\nvector<long long> gen_hash(const string &s){\n\n\tvector<long long> hash(s.size());\n\n\tlong long c=0;\n\n\tfor(int i=0;i<s.size();i++){\n\n\t\tc=(c*B+s[i])%P;\n\n\t\thash[i]=c;\n\n\t}\n\n\treturn hash;\n\n}\n\nlong long pow_binary_mod(long long x,long long y,long long mod){\n\n\tlong long z=1;\n\n\tfor(;y;y>>=1){\n\n\t\tif((y&1)!=0)z=z*x%mod;\n\n\t\tx=x*x%mod;\n\n\t}\n\n\treturn z;\n\n}\n\n\n\nint main(){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\tstring s;\n\n\tcin>>s;\n\n\tint ls=s.size();\n\n\tvector<long long> v=gen_hash(s);\n\n\n\n\t//int T;\n\n\t//for(cin>>T;T--;){\n\n\t\tstring q;\n\n\t\tcin>>q;\n\n\t\tint lq=q.size();\n\n\t\tlong long hash=gen_hash(q)[lq-1];\n\n\t\tlong long Brev=pow_binary_mod(B,lq,P);\n\n\t\tvector<int> r;\n\n\t\tint i=lq-1;\n\n\t\tfor(;i<ls;i++){\n\n\t\t\tif(v[i]==((i>=lq?v[i-lq]:0)*Brev+hash)%P){\n\n\t\t\t\tr.push_back(i-lq+1);\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(!r.empty()){\n\n\t\t\tfor(int i=0;i<r.size();i++)printf(\"%d\\n\",r[i]);\n\n\t\t\t//puts(\"1\");\n\n\t\t}else{\n\n\t\t\t//puts(\"0\");\n\n\t\t}\n\n\t//}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002086"}836{"label": "pie_cpp_validation_002087", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002087.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002087", "task_path": "tasks/validation/pie_cpp_validation_002087.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<string>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\tint tl,pl;\n\n\tstring T,P;\n\n\n\n\tcin>>T;\n\n\tcin>>P;\n\n\ttl=T.size();\n\n\tpl=P.size();\n\n\tif(tl<pl) return 0;\n\n\tfor(int i=0;i<tl-pl+1;i++){\n\n\t\tif(T[i]==P[0]){\n\n\t\t\tif(T.substr(i,pl)==P)\n\n\t\t\tprintf(\"%d\\n\",i);\n\n\t\t}\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002087"}837{"label": "pie_cpp_validation_002088", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002088.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002088", "task_path": "tasks/validation/pie_cpp_validation_002088.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#include<string>\n\n\n\nusing namespace std;\n\n\n\ntypedef unsigned long long ull;\n\nconst ull B= 100000007;\n\n\n\nvoid contain(string a, string b){\n\n\tint al=a.length();\n\n\tint bl=b.length();\n\n\t//B???al???????\u00a8????\n\n\tull t=1;\n\n\tfor(int i=0;i<al;i++) t*=B;\n\n\t\n\n\t//a??\u00a8b????????????al???????????\u00a2?????????????????\\???????\u00a8????\n\n\tull ah=0,bh=0;\n\n\tfor(int i=0;i<al;i++) ah=ah*B+a[i];\n\n\tfor(int i=0;i<al;i++) bh=bh*B+b[i];\n\n\t\n\n\t//b?????\u00b4????????????????????????????????????????????\\???????????\u00a7??????\n\n\tfor(int i=0;i+al<=bl;i++){\n\n\t\tif(ah==bh) printf(\"%d\\n\",i);\n\n\t\tif(i+al<bl) bh=bh*B+b[i+al]-b[i]*t;\n\n\t}\n\n}\n\n\n\nint main(){\n\n\tbool ans;\n\n\tstring T,P;\n\n\tcin>>T;\n\n\tcin>>P;\n\n\tif(T.size()>=P.size()){\n\n\t\tcontain(P,T); //P???T?????????????????????????\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002088"}838{"label": "pie_cpp_validation_002089", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002089.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002089", "task_path": "tasks/validation/pie_cpp_validation_002089.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<utility>\n\n#include<numeric>\n\n#include<iostream>\n\n#include<array>\n\n#include<string>\n\n#include<sstream>\n\n#include<stack>\n\n#include<queue>\n\n#include<list>\n\n#include<functional>\n\n#define _USE_MATH_DEFINES\n\n\n\n#include<math.h>\n\n#include<map>\n\n\n\n#define SENTINEL 1000000001\n\n\n\n#define min(a,b) (a)>(b)?(b):(a)\n\n#define max(a,b) (a)>(b)?(a):(b)\n\n\n\nusing namespace std;\n\n\n\ntypedef pair<int, int> pii;\n\n\n\nint jt[10001];\n\n\n\nint main()\n\n{\n\n\tmap<char, int> mt;\n\n\tstring T, P;\n\n\tcin >> T >> P;\n\n\n\n\tjt[0] = -1;\n\n\tjt[1] = 0;\n\n\tint i = 2, j = 0;\n\n\tint k = 0;\n\n\twhile (i <= P.size()) \n\n\t{\n\n\t\tif (P[i - 1] == P[j])\n\n\t\t{\n\n\t\t\tjt[i] = j + 1;\n\n\t\t\t++i;\n\n\t\t\t++j;\n\n\t\t}\n\n\t\telse if (j > 0)\n\n\t\t{\n\n\t\t\tj = jt[j];\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tjt[i++] = 0;\n\n\t\t}\n\n\t}\n\n\t\n\n\ti = j = 0;\n\n\twhile (i<T.size()) \n\n\t{\n\n\t\tif (T[i] == P[j]) \n\n\t\t{\n\n\t\t\t++i;\n\n\t\t\t++j;\n\n\t\t\tif (j == P.size()) \n\n\t\t\t{\n\n\t\t\t\tcout << i - P.size() << '\\n';\n\n\t\t\t\tj = jt[j];\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if (j == 0)\n\n\t\t{\n\n\t\t\t++i;\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tj = jt[j];\n\n\t\t}\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002089"}839{"label": "pie_cpp_validation_002090", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002090.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002090", "task_path": "tasks/validation/pie_cpp_validation_002090.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nusing ull = unsigned __int128;\n\n\n\nvector<int> res;\n\n\n\nvoid Rolling_Hash(const string& a, const string& b) {\n\n\tconst ull B = 100000007;\n\n\tint al = a.length(), bl = b.length();\n\n\tif (al > bl) return;\n\n\n\n\tull t = 1, ah = 0, bh = 0;\n\n\tfor (int i = 0; i < al; i++) t *= B;\n\n\tfor (int i = 0; i < al; i++) ah = ah * B + a[i];\n\n\tfor (int i = 0; i < al; i++) bh = bh * B + b[i];\n\n\tfor (int i = 0; i + al <= bl; i++) {\n\n\t\tif (ah == bh) {\n\n\t\t\tres.push_back(i);\n\n\t\t}\n\n\t\tif (i + al < bl) bh = bh * B + b[i + al] - b[i] * t;\n\n\t}\n\n}\n\n\n\nint main()\n\n{\n\n\tstring T, P;\n\n\tcin.sync_with_stdio(false);\n\n\tcin >> T >> P;\n\n\tRolling_Hash(P, T);\n\n\tfor (auto &i : res) {\n\n\t\tcout << i << endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002090"}840{"label": "pie_cpp_validation_002091", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002091.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002091", "task_path": "tasks/validation/pie_cpp_validation_002091.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvector<int> KMP(const string& S) {\n\n\tint N = S.size();\n\n\tvector<int> A(N + 1);\n\n\tA[0] = -1;\n\n\tfor (int i = 0, j = -1; i < N; i++) {\n\n\t\twhile (j >= 0 && S[i] != S[j]) {\n\n\t\t\tj = A[j];\n\n\t\t}\n\n\t\tj++;\n\n\t\tA[i + 1] = j;\n\n\t}\n\n\treturn A;\n\n}\n\n\n\nvector<int> StringSearch(const string& S, const string& T) {\n\n\tauto A = KMP(T);\n\n\tint N = T.size();\n\n\tvector<int> res;\n\n\tfor (int i = 0, j = 0; i < (int)S.size(); i++) {\n\n\t\twhile (j >= 0 && S[i] != T[j]) {\n\n\t\t\tj = A[j];\n\n\t\t}\n\n\t\tj++;\n\n\t\tif (j == N) {\n\n\t\t\tres.push_back(i - N + 1);\n\n\t\t\tj = A[j];\n\n\t\t}\n\n\t}\n\n\treturn res;\n\n}\n\n\n\nint main()\n\n{\n\n\tcin.sync_with_stdio(false);\n\n\tstring T, P;\n\n\tcin >> T >> P;\n\n\tfor (auto ans : StringSearch(T, P)) {\n\n\t\tprintf(\"%d\\n\", ans);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002091"}841{"label": "pie_cpp_validation_002092", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002092.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002092", "task_path": "tasks/validation/pie_cpp_validation_002092.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nconst ll rh_mod = 10000000000000061;\n\nconst ll rh_b = 1009;\n\n\n\nclass rolling_hash {\n\n\tconst int n;\n\n\tvector<ll> R, H;\n\npublic:\n\n\trolling_hash(const string& s)\n\n\t\t: n(s.size()), R(n + 1), H(n + 1) {\n\n\t\tR[0] = 1;\n\n\t\tfor (int i = 0; i < n; i++) {\n\n\t\t\tR[i + 1] = (__int128)R[i] * rh_b % rh_mod;\n\n\t\t\tH[i + 1] = ((__int128)H[i] * rh_b + s[i]) % rh_mod;\n\n\t\t}\n\n\t}\n\n\tll get(int l, int r) {\n\n\t\tassert(0 <= l && l <= r && r <= n);\n\n\t\treturn (H[r] - (__int128)H[l] * R[r - l] % rh_mod + rh_mod) % rh_mod;\n\n\t}\n\n};\n\n\n\nint main()\n\n{\n\n\tios::sync_with_stdio(false), cin.tie(0);\n\n\tstring T, P;\n\n\tcin >> T >> P;\n\n\tint n = T.size(), m = P.size();\n\n\trolling_hash rh(T);\n\n\tll h = rolling_hash(P).get(0, m);\n\n\tfor (int i = 0; i + m <= n; i++) if (rh.get(i, i + m) == h) {\n\n\t\tprintf(\"%d\\n\", i);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002092"}842{"label": "pie_cpp_validation_002093", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002093.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002093", "task_path": "tasks/validation/pie_cpp_validation_002093.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nconst __int128 rh_mod = 10000000000000061;\n\nconst ll rh_b = 1009;\n\n\n\nclass rolling_hash {\n\n\tconst int n;\n\n\tvector<ll> R, H;\n\npublic:\n\n\trolling_hash(const string& s)\n\n\t\t: n(s.size()), R(n + 1), H(n + 1) {\n\n\t\tR[0] = 1;\n\n\t\tfor (int i = 0; i < n; i++) {\n\n\t\t\tR[i + 1] = (__int128)R[i] * rh_b % rh_mod;\n\n\t\t\tH[i + 1] = ((__int128)H[i] * rh_b + s[i]) % rh_mod;\n\n\t\t}\n\n\t}\n\n\tll get(int l, int r) {\n\n\t\tassert(0 <= l && l <= r && r <= n);\n\n\t\treturn (H[r] - (__int128)H[l] * R[r - l] % rh_mod + rh_mod) % rh_mod;\n\n\t}\n\n};\n\n\n\nint main()\n\n{\n\n\tios::sync_with_stdio(false), cin.tie(0);\n\n\tstring T, P;\n\n\tcin >> T >> P;\n\n\tint n = T.size(), m = P.size();\n\n\trolling_hash rh(T);\n\n\tll h = rolling_hash(P).get(0, m);\n\n\tfor (int i = 0; i + m <= n; i++) if (rh.get(i, i + m) == h) {\n\n\t\tprintf(\"%d\\n\", i);\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002093"}843{"label": "pie_cpp_validation_002094", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 100, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 100, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002094.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002094", "task_path": "tasks/validation/pie_cpp_validation_002094.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n/*** author: yuji9511 ***/\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<ll, ll> lpair;\n\nconst ll MOD = 1e9 + 7;\n\nconst ll INF = 1e18;\n\n#define rep(i,m,n) for(ll i = (m); i < (n); i++)\n\n#define rrep(i,m,n) for(ll i = (m); i >= (n); i--)\n\n#define print(x) cout << (x) << endl;\n\n#define print2(x,y) cout << (x) << \" \" << (y) << endl;\n\n#define printa(x,n) for(ll i = 0; i < n; i++){ cout << (x[i]) << \" \\n\"[i==n-1];};\n\n\n\nstruct HashData {\n\n\tint h1, h2;\n\n\tbool operator==(const HashData& rhs) const {\n\n\t\treturn h1 == rhs.h1 && h2 == rhs.h2;\n\n\t}\n\n\tbool operator!=(const HashData& rhs) const { return !(*this == rhs); }\n\n};\n\n\n\nclass RollingHash {\n\n\ttemplate<int B, int M>\n\n\tclass RollingHashPart {\n\n\tprivate:\n\n\t\tsize_t len;\n\n\t\tstd::vector<int> pow_b, hash;\n\n\tpublic:\n\n\t\tRollingHashPart() {}\n\n\t\ttemplate<typename T>\n\n\t\tRollingHashPart(const T& s) : len(s.size()), pow_b(s.size() + 1), hash(s.size() + 1) {\n\n\t\t\tpow_b[0] = 1;\n\n\t\t\thash[0] = 0;\n\n\t\t\tfor (int i = 0; i < len; i++) {\n\n\t\t\t\tpow_b[i + 1] = (ll)pow_b[i] * B % M;\n\n\t\t\t\thash[i + 1] = ((ll)hash[i] * B + s[i]) % M;\n\n\t\t\t}\n\n\t\t}\n\n\t\t// [l, r)\n\n\t\tint get(int l, int r) const {\n\n\t\t\tint res = (hash[r] - (ll)hash[l] * pow_b[r - l]) % M;\n\n\t\t\tif (res < 0) res += M;\n\n\t\t\treturn res;\n\n\t\t}\n\n\t};\n\npublic:\n\n\tRollingHashPart<1033, 1000000007> rh1;\n\n\tRollingHashPart<6037, 999999937> rh2;\n\n \n\n\tRollingHash() {}\n\n\ttemplate<typename T> RollingHash(const T & s) : rh1(s), rh2(s) {}\n\n\t// [l, r)\n\n\tHashData get(int l, int r) const {\n\n\t\treturn (HashData){ rh1.get(l, r), rh2.get(l, r) };\n\n\t}\n\n\t// [l1, r1), [l2, r2)\n\n\tint lcp(const RollingHash & rhs, int l1, int r1, int l2, int r2) const {\n\n\t\tint lb = 0, ub = std::min(r1 - l1, r2 - l2) + 1;\n\n\t\twhile (ub - lb > 1) {\n\n\t\t\tint md = (lb + ub) >> 1;\n\n\t\t\t(get(l1, l1 + md) == rhs.get(l2, l2 + md) ? lb : ub) = md;\n\n\t\t}\n\n\t\treturn lb;\n\n\t}\n\n};\n\n\n\nint main(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string T,P;\n\n cin >> T >> P;\n\n RollingHash r1(T), r2(P);\n\n ll nt = T.size(), np = P.size();\n\n rep(i,0,nt){\n\n if(r1.get(i, i+np) == r2.get(0, np)){\n\n print(i);\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002094"}844{"label": "pie_cpp_validation_002095", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 110, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 110, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002095.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002095", "task_path": "tasks/validation/pie_cpp_validation_002095.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<sstream>\n\n#include<algorithm>\n\n#include<climits>\n\n#include<cmath>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<ctime>\n\n#include<cfloat>\n\n#include<functional>\n\n#include<map>\n\n#include<string>\n\n#include<cstring>\n\n#include<vector>\n\n#include<queue>\n\n#include<stack>\n\n#include<deque>\n\n#include<set>\n\n#include<bitset>\n\n#include<list>\n\n#include<numeric>\n\n#include<complex>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef unsigned long long ull;\n\ntypedef pair<int, int> i_i;\n\ntypedef pair<long long, int> ll_i;\n\ntypedef pair<double, int> d_i;\n\ntypedef pair<long long, long long> ll_ll;\n\ntypedef pair<double, double> d_d;\n\ntypedef vector<int> Vint;\n\n\n\n#define PI 3.141592653589793238462643383279\n\n#define mod 1000000007LL\n\n#define rep(i, n) for(i = 0;i < n;++i)\n\n#define rep1(i, n) for(i = 1;i < n;++i)\n\n#define rep2d(i, j, n) for(i = 0;i < n;++i)for(j = i + 1;j < n;++j)\n\n#define per(i, n) for(i = n - 1;i > -1;--i)\n\n#define int(x) int x; scanf(\"%d\",&x)\n\n#define int2(x, y) int x, y; scanf(\"%d%d\",&x, &y)\n\n#define int3(x, y, z) int x, y, z; scanf(\"%d%d%d\",&x, &y, &z)\n\n#define int4(v, x, y, z) int v, x, y, z; scanf(\"%d%d%d%d\", &v, &x, &y, &z)\n\n#define int5(v, w, x, y, z) int v, w, x, y, z; scanf(\"%d%d%d%d%d\", &v, &w, &x, &y, &z)\n\n#define scn(n, a) rep(i, n)cin >> a[i]\n\n#define sc2n(n, a, b) rep(i, n)cin >> a[i] >> b[i]\n\n#define pri(x) cout << x << \"\\n\"\n\n#define pri2(x, y) cout << x << \" \" << y << \"\\n\"\n\n#define pri3(x, y, z) cout << x << \" \" << y << \" \" << z << \"\\n\"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define all(a) (a).begin(),(a).end()\n\n#define endl \"\\n\"\n\n#define kabe puts(\"---------------------------\")\n\n#define kara puts(\"\")\n\n#define debug(x) cout << \" --- \" << x << \"\\n\"\n\n#define debug2(x, y) cout << \" --- \" << x << \" \" << y << \"\\n\"\n\n#define debug3(x, y, z) cout << \" --- \" << x << \" \" << y << \" \" << z << \"\\n\"\n\n#define X first\n\n#define Y second\n\n#define eps 0.0001\n\n#define prid(x) printf(\"%.15lf\\n\", x)\n\n\n\nll mods[5] = {1000000007LL, 1000000009LL, 1000000021LL, 1000000033LL, 1000000087LL};\n\nll bs[5] = {10007, 10009, 10037, 10039, 10061};\n\nll psh, tsh, binv, bpow;\n\nbool tok[1001000] = {false};\n\n\n\nll modpows(ll x, ll a, int mt){\n\n if(mods[mt] == 1)return 0;\n\n if(a == 0)return 1 % mods[mt];\n\n else if(a == 1)return x % mods[mt];\n\n else {\n\n ll res = modpows(x, a / 2, mt);\n\n res = res * res % mods[mt];\n\n if(a % 2 == 0)return res;\n\n else return res * x % mods[mt];\n\n }\n\n}\n\n\n\nsigned main(void){\n\n int i, j, k;\n\n for(int testcase = 0;testcase < 12;testcase++){\n\n string t, p; cin >> t >> p;\n\n if(t.size() < p.size())break;\n\n\n\n rep(i, t.size() - p.size() + 1)tok[i] = true;\n\n\n\n for(int mt = 0;mt < 3;++mt)for(int bt = 0;bt < 3;++bt){\n\n psh = 0; tsh = 0;\n\n rep(i, p.size()){\n\n psh = (psh * bs[bt] + (ll)(p[p.size() - 1 - i])) % mods[mt];\n\n tsh = (tsh * bs[bt] + (ll)(t[p.size() - 1 - i])) % mods[mt];\n\n }\n\n\n\n if(tsh != psh)tok[0] = false;\n\n binv = modpows(bs[bt], mods[mt] - 2, mt);\n\n bpow = modpows(bs[bt], p.size() - 1, mt);\n\n\n\n rep1(i, t.size() - p.size() + 1){\n\n tsh = ((tsh - (ll)t[i - 1]) * binv + (ll)t[i + p.size() - 1] * bpow) % mods[mt];\n\n if(tsh != psh)tok[i] = false;\n\n }\n\n }\n\n rep(i, t.size() - p.size() + 1)if(tok[i])pri(i);\n\n\n\n/*/\n\n\n\n//*/ break;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002095"}845{"label": "pie_cpp_validation_002096", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002096.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002096", "task_path": "tasks/validation/pie_cpp_validation_002096.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n#include <ios>\n\n\n\nusing namespace std;\n\n\n\nvector<int> match_KMP(string & T, string & P);\n\nvector<int> preprocess_KMP(string & P);\n\n\n\nint main()\n\n{\n\n ios::sync_with_stdio(false);\n\n string T;\n\n string P;\n\n cin >> T;\n\n cin >> P;\n\n auto result = match_KMP(T, P);\n\n for (auto pos : result) cout << pos << '\\n';\n\n return 0;\n\n}\n\n\n\nvector<int> match_KMP(string & T, string & P){\n\n int n = T.size();\n\n int m = P.size();\n\n auto pi = preprocess_KMP(P);\n\n vector<int> result;\n\n int q = 0;\n\n for (int i = 0; i != n; ++i){\n\n while (q > 0 and T[i] != P[q]){\n\n q = pi[q];\n\n }\n\n if (T[i] == P[q]) ++q;\n\n if (q == m){\n\n result.push_back(i - m + 1);\n\n q = pi[q];\n\n }\n\n }\n\n return result;\n\n}\n\n\n\nvector<int> preprocess_KMP(string & P){\n\n int m = P.size();\n\n vector<int> pi(m + 1, 0);\n\n int k = 0;\n\n for (int q = 1; q != m; ++q){\n\n while (k > 0 and P[q] != P[k]){\n\n k = pi[k];\n\n }\n\n if (P[q] == P[k]) ++k;\n\n pi[q + 1] = k;\n\n }\n\n return pi;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002096"}846{"label": "pie_cpp_validation_002097", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002097.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002097", "task_path": "tasks/validation/pie_cpp_validation_002097.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\n\n\nclass RollingHash {\n\n static const ll base1 = 1009;\n\n static const ll base2 = 2009;\n\n static const ll mod1 = 1000000007;\n\n static const ll mod2 = 1000000009;\n\n vector<ll> hash1, hash2, pow1, pow2;\n\n\n\npublic:\n\n RollingHash(const string &S) {\n\n int n = (int) S.size();\n\n hash1.assign(n + 1, 0);\n\n hash2.assign(n + 1, 0);\n\n pow1.assign(n + 1, 1);\n\n pow2.assign(n + 1, 1);\n\n for (int i = 0; i < n; ++i) {\n\n hash1[i + 1] = (hash1[i] * base1 + S[i]) % mod1;\n\n hash2[i + 1] = (hash2[i] * base2 + S[i]) % mod2;\n\n pow1[i + 1] = (pow1[i] * base1) % mod1;\n\n pow2[i + 1] = (pow2[i] * base2) % mod2;\n\n }\n\n }\n\n\n\n /**\n\n * S \u306e [l, r) \u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u8fd4\u3059\n\n * O(1)\n\n */\n\n inline pair<ll, ll> get(int l, int r) const {\n\n ll res1 = hash1[r] - hash1[l] * pow1[r - l] % mod1;\n\n if (res1 < 0) res1 += mod1;\n\n ll res2 = hash2[r] - hash2[l] * pow2[r - l] % mod2;\n\n if (res2 < 0) res2 += mod2;\n\n return make_pair(res1, res2);\n\n }\n\n\n\n /**\n\n * S \u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u8fd4\u3059\n\n * O(1)\n\n */\n\n inline pair<ll, ll> hash() const {\n\n return get(0, (int) hash1.size() - 1);\n\n }\n\n\n\n /**\n\n * LCP (Longest Common Prefix)\n\n * O( log N )\n\n */\n\n inline int getLCP(int a, int b) const {\n\n int len = min((int) hash1.size() - a, (int) hash1.size() - b);\n\n int low = 0, high = len;\n\n while (high - low > 1) {\n\n int mid = (low + high) >> 1;\n\n if (get(a, a + mid) != get(b, b + mid)) high = mid;\n\n else low = mid;\n\n }\n\n return low;\n\n }\n\n\n\n /**\n\n * hash h1 \u3068 \u9577\u3055 h2_len \u306e\u6587\u5b57\u5217\u306e hash h2 \u3092\u7d50\u5408\n\n */\n\n pair<ll, ll> concat(pair<ll, ll> h1, pair<ll, ll> h2, int h2_len) {\n\n return make_pair((h1.first * pow1[h2_len] + h2.first) % mod1, (h1.second * pow2[h2_len] + h2.second) % mod2);\n\n }\n\n};\n\n\n\nint main() {\n\n string T, P;\n\n cin >> T >> P;\n\n RollingHash rollingHash(T), rollingHash2(P);\n\n for (int i = 0; i < T.size(); ++i) {\n\n if (i + P.size() <= T.size() && rollingHash.get(i, i + P.size()) == rollingHash2.hash()) {\n\n cout << i << '\\n';\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002097"}847{"label": "pie_cpp_validation_002098", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 50, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 50, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002098.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002098", "task_path": "tasks/validation/pie_cpp_validation_002098.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <string>\n\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tstring S, T;\n\n\n\n\tcin >> S >> T;\n\n\n\n\tif (S.size() >= T.size())\n\n\t{\n\n\t\tfor (int i = 0; i <= S.size() - T.size(); i++)\n\n\t\t{\n\n\t\t\tif (T[0] == S[i])\n\n\t\t\t{\n\n\t\t\t\tif (T == S.substr(i, T.size()))\n\n\t\t\t\t{\n\n\t\t\t\t\tprintf(\"%d\\n\", i);\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002098"}848{"label": "pie_cpp_validation_002099", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002099.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002099", "task_path": "tasks/validation/pie_cpp_validation_002099.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\nchar s[1000009], t[10009];\n\nint main() {\n\n\tint sl = 0, tl = 0;\n\n\twhile ((s[sl++] = getchar_unlocked()) != '\\n'); sl--;\n\n\twhile ((t[tl++] = getchar_unlocked()) != '\\n'); tl--;\n\n\tunsigned long long hs = 0, ht = 0, pw = 1;\n\n\tfor (int i = 0; i < tl; i++) {\n\n\t\ths = (hs << 8) + hs + s[i];\n\n\t\tht = (ht << 8) + ht + t[i];\n\n\t\tpw = (pw << 8) + pw;\n\n\t}\n\n\tfor (int i = tl; i <= sl; i++) {\n\n\t\tif (hs == ht) printf(\"%d\\n\", i - tl);\n\n\t\ths = (hs << 8) + hs + s[i] - s[i - tl] * pw;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002099"}849{"label": "pie_cpp_validation_002100", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 90, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 90, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002100.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002100", "task_path": "tasks/validation/pie_cpp_validation_002100.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<algorithm>\n\n#include<vector>\n\nusing namespace std;\n\ntypedef unsigned long long int ull;\n\n\n\nconst ull B=1e9+7;//base of hash\n\n\n\nbool contain(string s,string a)\n\n{\n\n\tint sl=s.length(),al=a.length();\n\n\tif(sl<al)return false;\n\n\t\n\n\tull t=1;\n\n\tfor(int i=0;i<al;i++)t*=B;\n\n\t\n\n\tull sh=0,ah=0;\n\n\tfor(int i=0;i<al;i++)\n\n\t{\n\n\t\tsh=sh*B+s[i];\n\n\t\tah=ah*B+a[i];\n\n\t}\n\n\t\n\n\tif(sh==ah)return true;\n\n\t\n\n\tfor(int i=0;i+al<sl;i++)\n\n\t{\n\n\t\tsh=sh*B+s[i+al]-s[i]*t;\n\n\t\tif(sh==ah)return true;\n\n\t}\n\n\t\n\n\treturn false;\n\n}\n\n\n\nvector<int> match(string s,string a)\n\n{\n\n\tint sl=s.length(),al=a.length();\n\n\tvector<int> ans;\n\n\tif(sl<al)return ans;\n\n\tull t=1;\n\n\tull ah=0,sh=0;\n\n\tfor(int i=0;i<al;i++)\n\n\t{\n\n\t\tsh=sh*B+s[i];\n\n\t\tah=ah*B+a[i];\n\n\t\tt*=B;\n\n\t}\n\n\t\n\n\tif(sh==ah)ans.push_back(0);\n\n\t\n\n\tfor(int i=0;i+al<sl;i++)\n\n\t{\n\n\t\tsh=sh*B+s[i+al]-s[i]*t;\n\n\t\tif(sh==ah)ans.push_back(i+1);\n\n\t}\n\n\treturn ans;\n\n}\n\n\n\nint main()\n\n{\n\n\tstring s,a;\n\n\tcin>>s>>a;\n\n\tvector<int> m=match(s,a);\n\n\tfor(int i=0;i<m.size();i++)\n\n\t{\n\n\t\tcout<<m[i]<<endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002100"}850{"label": "pie_cpp_validation_002101", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002101.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002101", "task_path": "tasks/validation/pie_cpp_validation_002101.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define MAX_S 1000001\n\n#define MAX_T 10001\n\ntypedef unsigned long long ull;\n\nconst ull B = 1000000007ULL;\n\n\n\nvector<ull> p;\n\n\n\nvector<ull> rollingHash(char *s,int N){\n\n vector<ull> hash(N+1);\n\n hash[0] = 0;\n\n for(int i = 0 ; i < N ; i++){\n\n hash[i+1] = hash[i]*B + s[i];\n\n }\n\n return hash;\n\n}\n\n\n\nint main(){\n\n char S[MAX_S],T[MAX_T];\n\n scanf(\"%s %s\",S, T);\n\n int N = strlen(S);\n\n int M = strlen(T);\n\n p.resize(N+1);\n\n p[0] = 1;\n\n for(int i = 0 ; i < N ; i++){\n\n p[i+1] = p[i]*B;\n\n }\n\n if(N < M) return 0;\n\n vector<ull> h = rollingHash(S,N);\n\n vector<ull> h2 = rollingHash(T,M);\n\n for(int i = 0 ; i < N ; i++){\n\n if(i+M > N) continue;\n\n int L = i, R = i+M-1;\n\n if(h[R+1]-h[L]*p[R-L+1] == h2[M]){\n\n printf(\"%d\\n\",i);\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002101"}851{"label": "pie_cpp_validation_002102", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 70, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 70, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002102.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002102", "task_path": "tasks/validation/pie_cpp_validation_002102.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef unsigned long long ull;\n\nconst ull B = 1000000007ULL;\n\n\n\nint main(){\n\n int N; // N is the size of string s\n\n string s,P;\n\n cin >> s >> P;\n\n N=s.size();\n\n vector<ull> p(N+1); // p is power (base B)\n\n vector<ull> hash(N+1); // hash values\n\n p[0] = 1; hash[0] = 0;\n\n for (int i = 0; i < N; i++) {\n\n hash[i+1] = hash[i]*B + s[i];\n\n p[i+1] = p[i]*B;\n\n }\n\n /*\n\n s?????\u00a8????????????s[L,R]??????????????\\????????\\?????????????????????.\n\n hash[L,R] := hash[R+1]-hash[L]*p[R-L+1];\n\n */\n\n ull base=0,ans=0;\n\n for(int i=0;i<P.size();i++){\n\n base=base*B+P[i];\n\n }\n\n for(int i=0;i+P.size()<=N;i++){\n\n int L=i,R=i+P.size()-1;\n\n if(hash[R+1]-hash[L]*p[R-L+1]==base) cout<<i<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002102"}852{"label": "pie_cpp_validation_002103", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 60, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 60, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002103.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002103", "task_path": "tasks/validation/pie_cpp_validation_002103.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nusing Int = long long;\n\n//BEGIN CUT HERE\n\nstruct RollingHash{\n\n using ull = unsigned long long;\n\n vector<ull> hash,p;\n\n RollingHash(){}\n\n RollingHash(const string &S,ull B=1000000007LL){\n\n int n=S.size();\n\n hash.assign(n+1,0);\n\n p.assign(n+1,1);\n\n for(int i=0;i<n;i++){\n\n hash[i+1]=hash[i]*B+S[i];\n\n p[i+1]=p[i]*B;\n\n }\n\n }\n\n //S[l, r)\n\n ull find(int l,int r){\n\n return hash[r]-hash[l]*p[r-l];\n\n }\n\n};\n\n//END CUT HERE\n\n\n\nsigned main(){\n\n string t,p;\n\n cin>>t>>p;\n\n RollingHash rt(t),rp(p);\n\n for(int i=0;i<(int)(t.size()-p.size())+1;i++){\n\n if(rt.find(i,i+p.size())==rp.find(0,p.size())) cout<<i<<endl;\n\n }\n\n return 0;\n\n}\n\n/*\n\n verified on 2017/10/29\n\n http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_14_B&lang=jp\n\n*/\n```", "split": "validation", "task_id": "pie_cpp_validation_002103"}853{"label": "pie_cpp_validation_002104", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 80, "hidden_test_count": 1, "problem_id": "p02248", "reference_metric": "runtime_cpu_ns", "reference_value": 80, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002104.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002104", "task_path": "tasks/validation/pie_cpp_validation_002104.json", "visible_test_count": 1}, "problem_id": "p02248", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\naabaaa\naa\n\nExpected output:\n0\n3\n4\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n#include<string>\n\n#include<stdio.h>\n\n\n\n#define A 1995455101 // large prime number.\n\n#define B 1995455447 // large prime number, bigger than A.\n\n\n\nint main()\n\n{\n\n string T; cin >> T; int len_T = T.size();\n\n string P; cin >> P; int len_P = P.size();\n\n long long *has_T, *has_P;\n\n has_T = new long long [len_T];\n\n has_P = new long long [len_P];\n\n\n\n long long h = 0; int i; // hash coding.\n\n // has_T[i] = (T[0]A^{i-1} + T[1]A^{i-2} + ... + T[i-1]A + T[i]) % B.\n\n for(i = 0; i < len_T; i++){ h = (h * A + T[i]) % B; has_T[i] = h; }\n\n h = 0;\n\n // has_P[i] = (P[0]A^{i-1} + P[1]A^{i-2} + ... + P[i-1]A + P[i]) % B.\n\n for(i = 0; i < len_P; i++){ h = (h * A + P[i]) % B; has_P[i] = h; }\n\n\n\n // last_has = (P[0]A^{len_P-1} + P[1]A^{len_P-2} + ... + P[len_P-1]) % B.\n\n long long last_has = has_P[len_P - 1];\n\n // A^{len_P} Mod B.\n\n long long power, x, y, z;\n\n x = A, y = len_P, z = 1;\n\n for( ; y; y /= 2){\n\n if((y & 1) != 0){ z = (z * x) % B; }\n\n x = (x * x) % B;\n\n }\n\n power = z;\n\n\n\n for(i = len_P - 1; i < len_T; i++){\n\n if(has_T[i] == ((i >= len_P ? has_T[i - len_P] : 0) * power + last_has) % B){\n\n\t\t\tprintf(\"%d\\n\", i - len_P + 1);\n\n }\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002104"}854{"label": "pie_cpp_validation_002157", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002157.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002157", "task_path": "tasks/validation/pie_cpp_validation_002157.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<string>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<cstdlib>\n\nusing namespace std;\n\ntypedef long long int ll;\n\n\n\nint main()\n\n{\n\n\tfor(;;){\n\n\t\tint n,m;\n\n\t\tstring ss;\n\n\t\tcin >> n ;\n\n\t\tif(n==0)return 0;\n\n\t\tcin >> m >> ss;\n\n\t\tint ans=0;\n\n\t\tfor(int i=0;i<=m-(2*n+1);i++){\n\n\t\t\t//printf(\"%d\\n\",i);\n\n\t\t\tfor(int j=i;j<i+2*n+1;j++){\n\n\t\t\t\tif(((j-i)%2==0&&ss[j]=='O')||((j-i)%2==1&&ss[j]=='I')){\n\n\t\t\t\t\tgoto next;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tans++;\n\n\t\t\ti+=(2*n+1);\n\n\t\t\twhile(ss[i]=='O'&&ss[i+1]=='I'){\n\n\t\t\t\ti+=2;\n\n\t\t\t\tans++;\n\n\t\t\t\tif(i>=m)goto end;\n\n\t\t\t\t//printf(\"%d\\n\",i);\n\n\t\t\t}\n\n\t\t\ti--;\n\nnext:;\n\n\t\t}\n\n\t\tend:;\n\n\t\tprintf(\"%d\\n\",ans);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002157"}855{"label": "pie_cpp_validation_002158", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002158.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002158", "task_path": "tasks/validation/pie_cpp_validation_002158.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n\n\nint main(){\n\n char s[1000000];\n\n int n,m;\n\n while(cin>>n,n){\n\n cin>>m>>s;\n\n int ans = 0;\n\n for(int i=0;i<m-n*2;++i){\n\n if(s[i]=='I'){\n\n for(int j=0;j<n;++j){\n\n if(s[i+2*j+1]!='O'||s[i+2*j+2]!='I') break;\n\n if(j==n-1) ++ans;\n\n }\n\n }\n\n }\n\n cout<<ans<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002158"}856{"label": "pie_cpp_validation_002159", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002159.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002159", "task_path": "tasks/validation/pie_cpp_validation_002159.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\nint n, m, p, r, S; char t;\n\nint main() {\n\n\twhile (true) {\n\n\t\tcin >> n; if (!n) { break; } cin >> m;\n\n\t\tS = 0; p = 0; r = 0;\n\n\t\tfor (int i = 0; i < m; i++) {\n\n\t\t\tcin >> t;\n\n\t\t\tif (t == 'I') {\n\n\t\t\t\tif (i == p + 2 && r > 0) {\n\n\t\t\t\t\tr++;\n\n\t\t\t\t}\n\n\t\t\t\telse {\n\n\t\t\t\t\tr = 1;\n\n\t\t\t\t}\n\n\t\t\t\tif (r > n) {\n\n\t\t\t\t\tS++;\n\n\t\t\t\t}\n\n\t\t\t\tp = i;\n\n\t\t\t}\n\n\t\t}\n\n\t\tcout << S << endl;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002159"}857{"label": "pie_cpp_validation_002160", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 30, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 30, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002160.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002160", "task_path": "tasks/validation/pie_cpp_validation_002160.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\nusing namespace std;\n\n\n\nint main(){\n\n int n,m;\n\n string x;\n\n\n\n for(;;){\n\n cin >> n;\n\n if(!n)break;\n\n cin >> m;\n\n cin >> x;\n\n\n\n int ans = 0;\n\n for(int i=0;i<m;i++){\n\n if(x[i]=='I'){\n\n\tint dif = 1;\n\n\twhile(i+2*dif<m && x[i+2*dif-1]=='O' && x[i+2*dif]=='I')dif++;\n\n\tdif--;\n\n\tif(dif>=n)ans += dif-n+1;\n\n\ti += 2*dif;\n\n }\n\n }\n\n\n\n cout << ans << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002160"}858{"label": "pie_cpp_validation_002161", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 670, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 670, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002161.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002161", "task_path": "tasks/validation/pie_cpp_validation_002161.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <string>\n\n#include <vector>\n\n#include <queue>\n\n#include <map>\n\n#include <stack>\n\n#include <cstring>\n\n \n\n#define FOR(i, a, b) for(int i = (a); i < (b); i++)\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define MP make_pair\n\n#define X first\n\n#define Y second\n\n \n\nusing namespace std;\n\n \n\ntypedef long long ll;\n\ntypedef vector<int> vi;\n\ntypedef pair<int, int> P;\n\n\n\nconst int INF = 1<<29;\n\n\n\n\n\nint n, m;\n\n\n\nbool check(const string &s){\n\n\tfor(int i = 0; i < n*2+1; i+=2) if(s[i] != 'I') return false;\n\n\tfor(int i = 1; i < n*2+1; i+=2) if(s[i] != 'O') return false;\n\n\treturn true;\n\n}\n\n\n\nint main(){\n\n\twhile(cin >> n, n){\n\n\t\tcin >> m;\n\n\t\tstring s;\n\n\t\tcin >> s;\n\n\t\tint ans = 0;\n\n\t\trep(i, m-n*2+1){\n\n\t\t\tans += check(s.substr(i, n*2+1));\n\n\t\t}\n\n\t\tcout << ans << endl;\n\n\t}\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002161"}859{"label": "pie_cpp_validation_002162", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 190, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 190, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002162.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002162", "task_path": "tasks/validation/pie_cpp_validation_002162.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n long long int n;\n\n while(cin>>n,n){\n\n long long int siz,ans=0;\n\n string str;\n\n cin>>siz>>str;\n\n for(int i=0;i<siz-2*n;i++){\n\n if(str[i]=='I'){\n\n int co=0;\n\n for(int j=i+1;j<siz;j+=2,co++){\n\n if(str[j]!='O'||str[j+1]!='I')break;\n\n }\n\n if(co>=n){\n\n ans+=co-n+1;\n\n i+=1+2*co-n;\n\n }\n\n }\n\n }\n\n cout<<ans<<endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002162"}860{"label": "pie_cpp_validation_002163", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 200, "hidden_test_count": 1, "problem_id": "p00461", "reference_metric": "runtime_cpu_ns", "reference_value": 200, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002163.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002163", "task_path": "tasks/validation/pie_cpp_validation_002163.json", "visible_test_count": 1}, "problem_id": "p00461", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n1\n13\nOOIOIOIOIIOII\n2\n13\nOOIOIOIOIIOII\n0\n\nExpected output:\n4\n2\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\nint main()\n\n{\n\n\tint n,m,ans;\n\n\tchar IOI[1000001];\n\n\twhile(cin>>n,n){\n\n\t\tcin>>m>>IOI;\n\n\t\tint i,k;\n\n\t\tans = 0;\n\n\t\tn = 2*n+1;\n\n\t\tk=0;\n\n\t\t// 4__ IOIOIOIOI\n\n\t\tfor(;;){\n\n\t\t\tfor(i=0; i<n/2; i++){\n\n\t\t\t\tif( IOI[i+k]!=(i&1?'O':'I') ||\n\n\t\t\t\t\t IOI[i+k]!=IOI[k+n-i-1] )\n\n\t\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif( i==n/2 && IOI[k+n/2]==((n/2)%2?'O':'I')){\n\n\t\t\t\t//printf(\"k_%d IOI[%d]=%c\\n\",k,k+n/2,IOI[k+n/2]);\n\n\t\t\t\tans++;\n\n\t\t\t\tk += n;\n\n\t\t\t\tfor(; k<m; k+=2){\n\n\t\t\t\t\tif( IOI[k]=='O' && IOI[k+1]=='I' ){\n\n\t\t\t\t\t\tans++;\n\n\t\t\t\t\t\t//printf(\"k__%d\\n\",k);\n\n\t\t\t\t\t}\n\n\t\t\t\t\telse break;\n\n\t\t\t\t}\n\n\t\t\t}else{\n\n\t\t\t\tfor(k++; k<m && IOI[k]=='O'; k++);\n\n\t\t\t}\n\n\t\t\t//printf(\"next_k_%d\\n\",k);\n\n\t\t\tif( k+n>m )break;\n\n\t\t}\n\n\t\tprintf(\"%d\\n\",ans);\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002163"}861{"label": "pie_cpp_validation_002197", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2190, "hidden_test_count": 1, "problem_id": "p00781", "reference_metric": "runtime_cpu_ns", "reference_value": 2190, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002197.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002197", "task_path": "tasks/validation/pie_cpp_validation_002197.json", "visible_test_count": 1}, "problem_id": "p00781", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n10000 01000 00100 11000 01100 11111 01110 11100 10110 11110\n10101 01000 00000 11001 01100 11101 01110 11100 10110 11010\nEND\n\nExpected output:\n40\n6\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cstring>\n\n#include <cstdlib>\n\n#include <string>\n\n#include <set>\n\n\n\nusing namespace std;\n\n\n\nint a[10];\n\nstring vs[10];\n\nbool selected[10];\n\nset<int> res;\n\n\n\nvoid comb(int num){\n\n if(num==5){\n\n // \u30c4\u3065\u3064\u30bd\u30c4\u3065\u30a1\u30c4\u3065\u30fc\u30c4\u6e58\u300d\u30c4\u3065\u53ef\u3064\u30ad\u30c4\u3065\u30a5\u30c4\u3064\u30a5\n\n for(int s = 0; s < (1<<5); s++){\n\n int mask=0;\n\n for(int i = 0; i < 5; i++){\n\n\tif((s>>i)&1){\n\n\t for(int j = 0; j < 5; j++){\n\n\t if(vs[a[i]][j]=='1')\n\n\t mask|=(1<<(j*5+i));\n\n\t }\n\n\t}\n\n\telse{\n\n\t // \u30c4\u9006\u30c4\u53e4\u30b7\u30c4\u3064\u30a9\n\n\t for(int j = 0; j < 5; j++){\n\n\t if(vs[a[i]][4-j]=='1')\n\n\t mask|=(1<<(j*5+i));\n\n\t }\n\n\t}\n\n }\n\n vector<int> left;\n\n for(int i = 0; i < 10; i++){\n\n\tif(!selected[i])\n\n\t left.push_back(i);\n\n }\n\n bool no[10];\n\n memset(no,0,sizeof(no));\n\n bool bad=false;\n\n // \u30c4\u3065\u500b\u3064\u30a2\u30c4\u3065\u30a3\u30c4\u3065\u500b\u8981\u30c4\u7d20\u30c4\u3065\u30fc\u30c4\u30de\u30c4\u30c3\u30c4\u30c1\u30c4\u3064\u30ad\u30c4\u3065\u30a5\u30c4\u6e09\u6c3e\u677f\u3065\u53ef\u7f6e\u30c4\u3064\u300c\u30c4\u3065\u3064\u300c\u30c4\u3064\u30e5\n\n for(int i = 0; i < 5; i++){\n\n\tbool ok=false;\n\n\tfor(int j = 0; j < left.size(); j++){\n\n\t if(no[j])continue;\n\n\t bool isMatch=true;\n\n\t // match\u30c4\u3064\u30ad\u30c4\u3065\u30a5\u30c4\u3064\u30a5\u30c4\u9673\u30a4\u30c4\u3065\u731f\u3065\u30a5\n\n\t // \u30c4\u50b5\u30ab\u30c4\u3064\u30a5\u30c4\u3065\u30a1\n\n\t for(int k = 0; k < 5; k++){\n\n\t if(!((vs[left[j]][k]-'0')^((mask>>(i*5+k))&1))){\n\n\t // no\n\n\t isMatch=false;\n\n\t break;\n\n\t }\n\n\t }\n\n\t if(!isMatch){\n\n\t isMatch=true;\n\n\t for(int k = 0; k < 5; k++){\n\n\t if(!((vs[left[j]][4-k]-'0')^((mask>>(i*5+k))&1))){\n\n\t\t// no\n\n\t\tisMatch=false;\n\n\t\tbreak;\n\n\t }\n\n\t }\n\n\t if(isMatch){\n\n\t no[j]=true;\n\n\t ok=true;\n\n\t break;\n\n\t }\n\n\t }\n\n\t else{\n\n\t no[j]=true;\n\n\t ok=true;\n\n\t break;\n\n\t }\n\n\t}\n\n\t// \u30c4\u3065\u6556\u3065\u3064\u3064\u30a5\u30c4\u3065\u30a1\u30c4\u3065\u6309\u3064\u300c\n\n\tif(!ok){\n\n\t bad=true;\n\n\t break;\n\n\t}\n\n }\n\n if(!bad){\n\n\tres.insert(mask);\n\n }\n\n }\n\n }\n\n else{\n\n for(int i = 0; i < 10; i++){\n\n if(selected[i])continue;\n\n a[num]=i;\n\n selected[i]=true;\n\n comb(num+1);\n\n selected[i]=false;\n\n }\n\n }\n\n}\n\n\n\nint main(){\n\n\n\n memset(selected,0,sizeof(selected));\n\n while(cin>>vs[0]&&vs[0]!=\"END\"){\n\n for(int i = 1; i < 10; i++)\n\n cin>>vs[i];\n\n comb(0);\n\n cout<<res.size()/8<<endl;\n\n res.clear();\n\n }\n\n \n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002197"}862{"label": "pie_cpp_validation_002198", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 240, "hidden_test_count": 1, "problem_id": "p00781", "reference_metric": "runtime_cpu_ns", "reference_value": 240, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002198.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002198", "task_path": "tasks/validation/pie_cpp_validation_002198.json", "visible_test_count": 1}, "problem_id": "p00781", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n10000 01000 00100 11000 01100 11111 01110 11100 10110 11110\n10101 01000 00000 11001 01100 11101 01110 11100 10110 11010\nEND\n\nExpected output:\n40\n6\n\n\nProgram:\n```cpp\n//30\n\n#include<iostream>\n\n#include<set>\n\n#include<string>\n\n#include<algorithm>\n\n\n\nusing namespace std;\n\n\n\nstruct L{\n\n string s[10];\n\n string h;\n\n bool operator<(L a)const{\n\n return h<a.h;\n\n }\n\n void mh(){\n\n string ss;\n\n for(int i=0;i<4;i++){\n\n for(int j=0;j<2;j++){\n\n\tfor(int i=0;i<5;i++){\n\n\t swap(s[i*2],s[i*2+1]);\n\n\t}\n\n\tstring t;\n\n\tfor(int i=0;i<10;i++){\n\n\t t+=s[i];\n\n\t}\n\n\tif(ss<t){\n\n\t ss=t;\n\n\t}\n\n }\n\n string r[10];\n\n for(int i=0;i<5;i++){\n\n\tr[9-i*2]=s[i*2];\n\n\treverse(r[9-i*2].begin(),r[9-i*2].end());\n\n\tr[i*2]=s[i*2+1];\n\n }\n\n copy(r,r+10,s);\n\n }\n\n h=ss;\n\n }\n\n};\n\n\n\nstring s[10];\n\nset<L> st;\n\n\n\nvoid dfs(int d,int u,L c){\n\n if(d==10){\n\n c.mh();\n\n st.insert(c);\n\n }else{\n\n for(int i=0;i<10;i++){\n\n if(!(u>>i&1)){\n\n\tfor(int k=0;k<2;k++){\n\n\t reverse(s[i].begin(),s[i].end());\n\n\t bool f=false;\n\n\t for(int j=!(d&1);j<d;j+=2){\n\n\t f|=c.s[j][d/2]==s[i][j/2];\n\n\t }\n\n\t if(!f){\n\n\t L nc=c;\n\n\t nc.s[d]=s[i];\n\n\t dfs(d+1,u|1<<i,nc);\n\n\t }\n\n\t}\n\n }\n\n }\n\n }\n\n}\n\n\n\nint main(){\n\n while(cin>>s[0],s[0]!=\"END\"){\n\n for(int i=1;i<10;i++){\n\n cin>>s[i];\n\n }\n\n st.clear();\n\n dfs(0,0,L());\n\n cout<<st.size()/2<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002198"}863{"label": "pie_cpp_validation_002199", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2730, "hidden_test_count": 1, "problem_id": "p00781", "reference_metric": "runtime_cpu_ns", "reference_value": 2730, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002199.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002199", "task_path": "tasks/validation/pie_cpp_validation_002199.json", "visible_test_count": 1}, "problem_id": "p00781", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n10000 01000 00100 11000 01100 11111 01110 11100 10110 11110\n10101 01000 00000 11001 01100 11101 01110 11100 10110 11010\nEND\n\nExpected output:\n40\n6\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define int long long\n\n#define N 100010\n\nusing namespace std;\n\ntypedef unsigned long long ull;\n\nconst int INF = 1LL<<55;\n\nconst int mod = (1e9)+7;\n\nconst double EPS = 1e-8;\n\nconst double PI = 6.0 * asin(0.5);\n\ntemplate<class T> T Max(T &a,T b){return a=max(a,b);}\n\ntemplate<class T> T Min(T &a,T b){return a=min(a,b);}\n\nvector<vector<int> > AB,A,B;\n\nint Aidx[5],Bidx[5];\n\n\n\nunordered_set<ull> S;\n\null VtoH(const vector<vector<int> > &v){\n\n const ull B = 1777771;\n\n ull res = 0;\n\n for(int i=0;i<5;i++)\n\n for(int j=0;j<5;j++) res = res * B + (v[i][j]+'0');\n\n return res;\n\n}\n\n\n\nvector<int> rev(vector<int> a){reverse(a.begin(),a.end());return a;}\n\nvoid mirror(vector<vector<int> > &res){for(int i=0;i<5;i++) res[i] = rev(res[i]);}\n\n\n\nvector<vector<int> > rot(const vector<vector<int> > &a){\n\n vector<vector<int> > res(5,vector<int>(5));\n\n for(int i=0;i<5;i++)\n\n for(int j=0;j<5;j++) res[i][j] = a[4-j][i];\n\n return res;\n\n}\n\n\n\nvoid insert(vector<vector<int> > v){\n\n S.insert(VtoH(v));\n\n v = rot(v) , v = rot(v), S.insert(VtoH(v));\n\n mirror(v), S.insert(VtoH(v));\n\n v = rot(v) , v = rot(v), S.insert(VtoH(v));\n\n}\n\n\n\nbool canPut(int idx,int j){\n\n int a = 1, b = 1;\n\n for(int i=0;i<5;i++) if(A[i][j] == B[idx][i]) a = 0;\n\n for(int i=0;i<5;i++) if(A[i][j] == B[idx][4-i]) b = 0;\n\n return a || b;\n\n}\n\n\n\nbool can(){\n\n int used = 0;\n\n for(int i=0;i<5;i++){\n\n for(int nx=0;nx<5;nx++){\n\n if((used>>nx&1) || !canPut(nx,i)) continue;\n\n Bidx[i] = nx;\n\n used |= (1<<nx);\n\n break;\n\n }\n\n }\n\n return used == (1<<5)-1;\n\n}\n\n\n\nint solve(){\n\n S.clear();\n\n int res = 0;\n\n for(int i=0;i<5;i++) Aidx[i] = i;\n\n for(int bit=0;bit<(1<<10);bit++){\n\n if(__builtin_popcount(bit) != 5) continue; \n\n A.clear();B.clear();\n\n for(int i=0;i<10;i++) (bit>>i&1)? A.push_back(AB[i]):B.push_back(AB[i]);\n\n vector<vector<int> > tmp = A;\n\n do{\n\n for(int a=0;a<(1<<5);a++){\n\n for(int i=0;i<5;i++) A[Aidx[i]] = (a>>i&1)? rev(tmp[i]):tmp[i];\n\n if(S.count(VtoH(A)) || !can()) continue;\n\n insert(A);\n\n res++;\n\n }\n\n } while(next_permutation(Aidx,Aidx+5));\n\n }\n\n return res/2;\n\n}\n\n\n\nsigned main(){\n\n while(1){\n\n AB.clear();\n\n for(int i=0;i<10;i++){\n\n string str;\n\n cin>>str;\n\n if(str == \"END\") return 0;\n\n vector<int> tmp(5);\n\n for(int j=0;j<5;j++) tmp[j] = str[j] - '0';\n\n AB.push_back(tmp);\n\n }\n\n cout<<solve()<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002199"}864{"label": "pie_cpp_validation_002277", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002277.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002277", "task_path": "tasks/validation/pie_cpp_validation_002277.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rank tipa_rank\n\n#define pb push_back\n\n#define mp make_pair\n\n#define ll long long\n\n#define ull unsigned long long\n\n#define INF 1000000000\n\n#define EPS 1e-6\n\n#define free tipa_free\n\n#define EPS2 1e-8\n\nusing namespace std;\n\nconst ll MOD = INF + 7;\n\nusing namespace std;\n\nstring s;\n\nstring ans;\n\nint n , k;\n\ndeque<pair<char , int> > v;\n\nbool swapped = false;\n\nint main()\n\n{\n\n\t//freopen(\"output.txt\" , \"w\" , stdout);\n\n\tcin >> n >> k;\n\n\tcin >> s;\n\n\tfor(int i = 0; i < s.size(); i++)\n\n\t{\n\n\t\tif(v.size() && v.back().first == s[i])\n\n\t\t\tv.back().second++;\n\n\t\telse\n\n\t\t\tv.push_back(mp(s[i] , 1));\n\n\t}\n\n\tif(n == 1)\n\n\t{\n\n\t\tcout << char(((s[0] - 'A') ^ (k % 2)) + 'A');\n\n\t\treturn 0;\n\n\t}\n\n\t/*for(int i = 0; i < v.size(); i++)\n\n\t\tcout << v[i].first << \" \" << v[i].second << endl;\n\n\tcout << endl;*/\n\n\tint cnt = 0;\n\n\twhile(k--)\n\n\t{\n\n\n\n\t\tif(v.front().first == 'A' + swapped)\n\n\t\t{\n\n\t\t\tv.front().second--;\n\n\t\t\tif(!v.front().second)\n\n\t\t\t\tv.pop_front();\n\n\t\t\tif(v.front().first == 'B' - swapped)\n\n\t\t\t{\n\n\t\t\t\tv.front().second++;\n\n\t\t\t}\n\n\t\t\telse\n\n\t\t\t\tv.push_front(mp('B' - swapped , 1));\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\t//v.pop_front();\n\n\t\t\tv.front().second--;\n\n\t\t\tif(!v.front().second)\n\n\t\t\t\tv.pop_front();\n\n\t\t\tswapped = !swapped;\n\n\t\t\tif(v.back().first == swapped + 'A')\n\n\t\t\t\tv.back().second++;\n\n\t\t\telse\n\n\t\t\t\tv.push_back(mp(swapped + 'A' , 1));\n\n\t\t}\n\n\t\t/*cout << swapped << endl;\n\n\t\tfor(int i = 0; i < v.size(); i++)\n\n\t\t\tcout << v[i].first << \" \" << v[i].second << endl;\n\n\t\tcout << endl;*/\n\n\t\tcnt++;\n\n\t\tif(cnt == 500000)\n\n\t\t{\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tif(k % 2 && k > 0 && n % 2)\n\n\t{\n\n\t\tif(v.front().second == 1)\n\n\t\t{\n\n\t\t\tv.pop_front();\n\n\t\t\tv.front().second++;\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tv.front().second--;\n\n\t\t\tv.push_front(mp('A' + swapped , 1));\n\n\t\t}\n\n\t}\n\n\n\n\t//cout << v[0].first - 'A' << endl;\n\n\tfor(int i = 0; i < v.size(); i++)\n\n\t{\n\n\t\tif(!swapped)\n\n\t\t{\n\n\t\t\tfor(int j = 0; j < v[i].second; j++)\n\n\t\t\t\tcout << v[i].first;\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tfor(int j = 0; j < v[i].second; j++)\n\n\t\t\t\tcout << char(((v[i].first - 'A') ^ 1) + 'A');\n\n\t\t}\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002277"}865{"label": "pie_cpp_validation_002278", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002278.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002278", "task_path": "tasks/validation/pie_cpp_validation_002278.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#pragma GCC optimize(\"O2\")\n\n#pragma GCC optimize(\"unroll-loops\")\n\n#pragma GCC target(\"sse,sse2,tune=native\")\n\n#include<bits/stdc++.h>\n\n#define all(x) x.begin(), x.end()\n\n#define rall(x) x.rbegin(), x.rend()\n\n#define pb push_back\n\nusing namespace std;\n\nusing ll = long long;\n\n//using arr = array;\n\nusing pi = pair<int, int>;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vpi = vector<pi>;\n\nusing ld = long double;\n\nconst int maxn = 1<<18, mod = 1e9 + 7;\n\nmt19937 rng(chrono::steady_clock::now().time_since_epoch().count());\n\nint n, k;\n\nint s[maxn];\n\nstring get() {\n\n\tint l = 0, a = 0;\n\n\t#pragma GCC ivdep\n\n\tfor(int i = 0; i < k; i++) {\n\n\t\tif(s[l] == a) s[l] = !a;\n\n\t\telse {\n\n\t\t\tl = ++l == n ? 0 : l;\n\n\t\t\ta ^= 1;\n\n\t\t\ts[l ? l-1 : n-1] = a;\n\n\t\t}\n\n\t}\n\n\tstring res;\n\n\tfor(int i = 0; i < n; i++) {\n\n\t\tres += char('A' + (s[l++]^a));\n\n\t\tif(l == n) l = 0;\n\n\t}\n\n\treturn res;\n\n}\n\nint main() {\n\n\tcin.tie(0)->sync_with_stdio(0);\n\n\tcin >> n >> k;\n\n\tchar t;\n\n\tfor(int i = 0; i < n; i++) cin >> t, s[i] = t-'A';\n\n\t\n\n\tcout << get();\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002278"}866{"label": "pie_cpp_validation_002279", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002279.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002279", "task_path": "tasks/validation/pie_cpp_validation_002279.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include <vector>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <deque>\n\n#include <stack>\n\n#include <bitset>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <numeric>\n\n#include <utility>\n\n#include <sstream>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <cstdlib>\n\n#include <ctime>\n\n#include <memory.h>\n\n\n\n#define pb push_back\n\n\n\nusing namespace std;\n\n\n\nint n, k, m = 0;\n\nstring s;\n\n\n\nint main()\n\n{\n\n cin >> n >> k;\n\n cin >> s;\n\n\n\n for(int i = 0; i < s.length(); i++)\n\n {\n\n if((i % 2 == 0 && s[i] == 'A') || (i % 2 == 1 && s[i] == 'B'))\n\n m += 2;\n\n else\n\n m++;\n\n }\n\n\n\n if(k >= m)\n\n {\n\n k = k - m;\n\n if(s.length() % 2 == 1)\n\n {\n\n if(k % 2 == 0)\n\n cout << \"A\";\n\n else\n\n cout << \"B\";\n\n for(int i = 1; i < s.length(); i++)\n\n if(i % 2 == 1)\n\n cout << \"B\";\n\n else\n\n cout << \"A\";\n\n }else\n\n {\n\n for(int i = 0; i < s.length(); i++)\n\n if(i % 2 == 0)\n\n cout << \"B\";\n\n else\n\n cout << \"A\";\n\n }\n\n }else\n\n {\n\n bool u = 1;\n\n deque <int> dq;\n\n for(int i = 0 ; i < s.size() ; i ++)\n\n dq.pb(int(s[i] - 'A'));\n\n while(k --)\n\n {\n\n if(u && dq.front() == 0 || !u && dq.front() == 1)\n\n dq.front() ^= 1;\n\n else\n\n {\n\n dq.pop_front();\n\n u ^= 1;\n\n if(u)\n\n dq.pb(0);\n\n else\n\n dq.pb(1);\n\n }\n\n }\n\n while(!dq.empty())\n\n {\n\n if(u)\n\n cout << ((dq.front()) ? 'B' : 'A');\n\n else\n\n cout << ((dq.front() ^ 1) ? 'B' : 'A');\n\n dq.pop_front();\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002279"}867{"label": "pie_cpp_validation_002280", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002280.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002280", "task_path": "tasks/validation/pie_cpp_validation_002280.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <cstring>\n\n\n\nnamespace IO {\n\n template <typename _T>\n\n inline bool read (_T& x) {\n\n x = 0;\n\n _T y = 1;\n\n char c = getchar();\n\n while ((c < '0' || '9' < c) && c != EOF) {\n\n if (c == '-') y = -1;\n\n c = getchar();\n\n }\n\n if (c == EOF) return false;\n\n while ('0' <= c && c <= '9') x = x * 10 + c - '0', c = getchar();\n\n x *= y;\n\n return true;\n\n }\n\n\n\n template <typename _T>\n\n inline _T input () {\n\n _T x = 0, y = 1;\n\n char c = getchar();\n\n while ((c < '0' || '9' < c) && c != EOF) {\n\n if (c == '-') y = -1;\n\n c = getchar();\n\n }\n\n if (c == EOF) return 0;\n\n while ('0' <= c && c <= '9') x = x * 10 + c - '0', c = getchar();\n\n x *= y;\n\n return x;\n\n }\n\n};\n\nusing namespace IO;\n\n\n\n#define reg register\n\n#define MAX_N 200007\n\n#define FIN(s) freopen(s, \"r\", stdin)\n\n#define FOUT(s) freopen(s, \"w\", stdout)\n\n#define debug(...) fprintf(stderr, __VA_ARGS__)\n\n#define rep(i, l, r) for(int i = l; i <= r; ++i)\n\n#define lep(i, l, r) for(int i = l; i < r; ++i)\n\n#define irep(i, r, l) for(int i = r; i >= l; --i)\n\n#define ilep(i, r, l) for(int i = r; i > l; --i)\n\ntypedef long long ll;\n\n\n\nint N, K, bg;\n\nchar s[MAX_N];\n\nint q[MAX_N];\n\n\n\nint main () {\n\n#ifdef LOCAL\n\n FIN(\"in\");\n\n#endif\n\n read(N), read(K);\n\n scanf(\"%s\", s);\n\n bg = 0;\n\n lep (i, 0, N) q[i] = s[i] - 'A';\n\n int now = 0;\n\n rep (i, 1, K) {\n\n if (now == q[bg]) {\n\n q[bg] = now ^ 1;\n\n } else {\n\n q[bg] = now ^ 1;\n\n (bg += 1) >= N ? bg = 0 : 0;\n\n now ^= 1;\n\n }\n\n }\n\n rep (i, 1, N) {\n\n putchar((q[bg] ^ now) + 'A');\n\n (bg += 1) %= N;\n\n } puts(\"\");\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002280"}868{"label": "pie_cpp_validation_002281", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002281.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002281", "task_path": "tasks/validation/pie_cpp_validation_002281.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<unordered_set>\n\n#include<unordered_map>\n\nusing namespace std;\n\n\n\n#define MAX 200002\n\n\n\nint n;\n\nint k;\n\n\n\ndeque<int> d;\n\n\n\nchar buf[MAX];\n\n\n\nstring ans;\n\n\n\n\n\nint main(){\n\n\tcin >> n >> k;\n\n\tscanf(\"%s\", buf);\n\n\tfor (int i = 0; i < n; i++){\n\n\t\tif (buf[i] - 'A' == 0){\n\n\t\t\td.push_back((i & 1) ^ 1);\n\n\t\t}\n\n\t\telse{\n\n\t\t\td.push_back((i & 1));\n\n\t\t}\n\n\t}\n\n\tif (n == 1){\n\n\t\tk %= 2;\n\n\t\td.front() ^= k;\n\n\t}\n\n\telse{\n\n\t\tint C = 0;\n\n\t\twhile (k&&C <= 10 * n){\n\n\t\t\tk--;\n\n\t\t\tC++;\n\n\t\t\tif (d.front() == 1){\n\n\t\t\t\td.front() = 0;\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\td.pop_front();\n\n\t\t\td.push_back(((n - 1) & 1) ^ 1);\n\n\t\t}\n\n\t\tif (k == 0){\n\n\n\n\t\t}\n\n\t\telse{\n\n\t\t\tif (d.front() == 0){ //B\n\n\t\t\t\t\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tk %= 2;\n\n\t\t\t\tif (k){\n\n\t\t\t\t\td.front() = 0;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tfor (int i = 0; i < d.size(); i++){\n\n\t\tint go = ((i % 2) == d[i]);\n\n\t\tans.push_back('A' + go);\n\n\t}\n\n\tprintf(\"%s\\n\", ans.c_str());\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002281"}869{"label": "pie_cpp_validation_002282", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002282.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002282", "task_path": "tasks/validation/pie_cpp_validation_002282.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define Fst first\n\n#define Snd second\n\n#define RG register\n\n#define mp make_pair\n\n#define mem(a,b) memset(a,b,sizeof(a))\n\nusing namespace std;\n\ntypedef long long LL;\n\ntypedef long double LD;\n\ntypedef unsigned int UI;\n\ntypedef unsigned long long ULL;\n\ntemplate<typename T> inline void read(T& x) {\n\n\tchar c = getchar();\n\n\tbool f = false;\n\n\tfor (x = 0; !isdigit(c); c = getchar()) {\n\n\t\tif (c == '-') {\n\n\t\t\tf = true;\n\n\t\t}\n\n\t}\n\n\tfor (; isdigit(c); c = getchar()) {\n\n\t\tx = x * 10 + c - '0';\n\n\t}\n\n\tif (f) {\n\n\t\tx = -x;\n\n\t}\n\n}\n\ntemplate<typename T, typename... U> inline void read(T& x, U& ... y) {\n\n\tread(x), read(y...);\n\n}\n\nint n,K;\n\nint G[600010];\n\nchar s[200010];\n\n//#define rua\n\nint main() {\n\n//\tios::sync_with_stdio(false);\n\n#ifdef rua\n\n\tfreopen(\"GG.in\",\"r\",stdin);\n\n#endif\n\n read(n,K); scanf(\"%s\",s+1);\n\n for(int i=1;i<=n;++i) G[i]=s[i]-'A';\n\n int l=1,r=n,t=0;\n\n for(int i=1;i<=n<<1;++i) {\n\n if(G[l]^t==0) G[l]^=1;\n\n else t^=1,++l,G[++r]=t;\n\n if(i==K) {\n\n for(int i=l;i<=r;++i) G[i]^=t,printf(\"%c\",G[i]+'A');\n\n return 0;\n\n }\n\n }\n\n if(n%2&&K%2) G[l]^=1;\n\n for(int i=l;i<=r;++i) G[i]^=t,printf(\"%c\",G[i]+'A');\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002282"}870{"label": "pie_cpp_validation_002283", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002283.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002283", "task_path": "tasks/validation/pie_cpp_validation_002283.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n\n\n\n\nusing namespace std;\n\n\n\nusing int64 = long long;\n\nbool bit[200001];\n\n\n\nint main() {\n\n int N, K;\n\n cin >> N >> K;\n\n string S;\n\n cin >> S;\n\n\n\n for(int i = 0; i < N; i++) bit[i] = S[i] == 'A';\n\n\n\n int last = N;\n\n while(K--) {\n\n while(last >= 2 && bit[last - 1] && !bit[last - 2]) {\n\n last -= 2;\n\n }\n\n if(last == 0) break;\n\n if(last == 1) K %= 2;\n\n if(bit[0]) {\n\n bit[0] = false;\n\n } else {\n\n for(int i = 0; i < last; i++) bit[i] = !bit[i + 1];\n\n }\n\n }\n\n\n\n for(int i = 0; i < N; i++) cout << \"BA\"[bit[i]];\n\n cout << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002283"}871{"label": "pie_cpp_validation_002284", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002284.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002284", "task_path": "tasks/validation/pie_cpp_validation_002284.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n//minamoto\n\n#include<bits/stdc++.h>\n\n#define R register\n\n#define pb push_back\n\n#define fp(i,a,b) for(R int i=(a),I=(b)+1;i<I;++i)\n\n#define fd(i,a,b) for(R int i=(a),I=(b)-1;i>I;--i)\n\n#define go(u) for(int i=head[u],v=e[i].v;i;i=e[i].nx,v=e[i].v)\n\ntemplate<class T>inline bool cmax(T&a,const T&b){return a<b?a=b,1:0;}\n\ntemplate<class T>inline bool cmin(T&a,const T&b){return a>b?a=b,1:0;}\n\nusing namespace std;\n\nconst int N=2e6+5;\n\nchar s[N];int n,k;\n\ninline void print(R char *s){s[n]='\\0',printf(\"%s\\n\",s);}\n\nvoid solve(R int p){\n\n\tR int i=1;\n\n\twhile(p--){\n\n\t\tR int op=(i<=n?((i-1)&1):((n-1)&1));\n\n//\t\tprintf(\"%d %d %c\\n\",i,op,s[i]);\n\n\t\tif((s[i]=='A')^op){s[i]=(s[i]=='A'?'B':'A');continue;}\n\n\t\ts[i+n]='A',++i;\n\n\t}\n\n\tR int op=(i<=n?((i-1)&1):((n-1)&1));\n\n//\t\tprintf(\"%d %d %c\\n\",i,op,s[i]);\n\n\tfp(k,i,i+n-2){\n\n\t\tif(op)s[k]=(s[k]=='A'?'B':'A');\n\n\t\tif(k+1>n)op^=1;\n\n\t}\n\n\ts[i+n-1]='A';\n\n\tprint(s+i);\n\n}\n\nvoid ss(R int p){\n\n\tR int i=1;\n\n\twhile(p--){\n\n\t\tR int op=(i<=n?((i-1)&1):((n-1)&1));\n\n//\t\tprintf(\"%d %d %c\\n\",i,op,s[i]);\n\n\t\tif((s[i]=='A')^op){s[i]=(s[i]=='A'?'B':'A');continue;}\n\n\t\ts[i+n]='A',++i;\n\n\t}\n\n\tif(n&1^1){\n\n\t\tfp(i,1,n)s[i]=((i&1)?'B':'A');\n\n\t\tprint(s+1);\n\n\t\treturn;\n\n\t}\n\n\tR int op=(i<=n?((i-1)&1):((n-1)&1));\n\n\tif(!((s[i]=='A')^op))--k;\n\n\ts[n]=(k&1?'B':'A');\n\n\tfp(i,1,n-1)s[i]=((i&1)?'A':'B');\n\n\treverse(s+1,s+1+n);\n\n\tprint(s+1);\n\n}\n\nint main(){\n\n\tscanf(\"%d%d%s\",&n,&k,s+1);\n\n\tif(k<=1e6)return solve(k),0;\n\n//\tassert(false);\n\n\tss(1e6);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002284"}872{"label": "pie_cpp_validation_002285", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002285.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002285", "task_path": "tasks/validation/pie_cpp_validation_002285.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nusing Int = long long;\n\n//INSERT ABOVE HERE\n\nsigned main(){\n\n Int n,k;\n\n string s;\n\n cin>>n>>k>>s;\n\n using P = pair<Int, Int>;\n\n deque<P> v;\n\n for(Int i=0;i<n;i++){\n\n if(v.empty()||v.back().first!=s[i]-'A')\n\n v.emplace_back(s[i]-'A',0);\n\n v.back().second++;\n\n }\n\n Int cnt=0,lst=0;\n\n while(!v.empty()&&v.back()==P(lst,1)){\n\n cnt++;\n\n lst^=1;\n\n v.pop_back();\n\n }\n\n\n\n Int t=0;\n\n auto print=[&](){\n\n for(Int i=0;i<(Int)v.size();i++)\n\n cout<<string(v[i].second,(t^v[i].first)+'A');\n\n Int x=lst;\n\n for(Int i=0;i<cnt;i++){\n\n x^=1;\n\n cout<<char('A'+x);\n\n }\n\n cout<<endl;\n\n };\n\n \n\n while(k){\n\n if(n%2==1&&cnt+1==n){\n\n v.pop_back();\n\n cnt++;\n\n lst^=1;\n\n }\n\n if(v.empty()) break;\n\n k--;\n\n if(v.front().first^t){\n\n if(!cnt &&(v.back().first^t)){\n\n\tv.back().second++;\n\n }else{\n\n\tcnt++;\n\n\tlst^=1;\n\n }\n\n if(!--v.front().second){\n\n\tv.pop_front();\n\n }\n\n t^=1;\n\n }else{\n\n if(!--v.front().second){\n\n\tv.pop_front();\n\n\tv.front().second++;\n\n }else v.emplace_front(t^1,1); \n\n }\n\n //print();\n\n }\n\n //assert(n!=1);\n\n //cout<<k<<\" \"<<n<<endl;\n\n if((k&1)&&(n&1)){\n\n cout<<\"B\";\n\n cnt--;\n\n lst^=1;\n\n }\n\n print();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002285"}873{"label": "pie_cpp_validation_002286", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002286.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002286", "task_path": "tasks/validation/pie_cpp_validation_002286.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#if 0\n\ndate +%Y.%m.%d\n\n\n\n\u8fd9\u3002\u3002\u3002O(k) \u80fd\u8fc7\uff1f\n\n\u6211\u672c\u6765\u53ea\u662f\u60f3\u9a8c\u8bc1\u4e2a\u731c\u60f3\u6765\u7740\uff0c\u4e00\u4e0d\u5c0f\u5fc3\u5c31 AC \u4e86\u3002\u3002\u3002\n\n\n\n\u4e0d\u96be\u5f52\u7eb3\u51fa\u4e32 S \u7ecf\u8fc7\u4e00\u6b21\u78b0\u649e\u540e\u6709\u4e24\u79cd\u60c5\u51b5\uff1a\n\n1) S \u7684\u5f00\u5934\u5c31\u662f A \uff0c\u7403\u76f4\u63a5\u5f39\u98de\uff0cS \u7684\u5f00\u5934\u53d8\u4e3a B\n\n2) S \u7684\u5f00\u5934\u4e0d\u662f A \uff0c\u7403\u4e00\u5b9a\u53ef\u4ee5\u7ecf\u8fc7\u6240\u6709\u70b9\uff0c\u6b64\u540e S \u53d6\u53cd\u540e\u5faa\u73af\u5de6\u79fb\u4e00\u4f4d\u5373\u4e3a\u65b0\u7684 S\n\n#endif\n\n#include <cstdio>\n\n#define debug(...) fprintf(stderr, __VA_ARGS__)\n\n\n\ntypedef long long ll;\n\n\n\nstruct {\n\n\tinline operator int () { int x; return scanf(\"%d\", &x), x; }\n\n\tinline operator ll () { ll x; return scanf(\"%lld\", &x), x; }\n\n\ttemplate<class T> inline void operator () (T &x) { x = *this; }\n\n\ttemplate<class T, class ...A> inline void operator () (T &x, A &...a)\n\n\t{ x = *this; this -> operator ()(a...); }\n\n} read;\n\n\n\nconst int maxn = 200005;\n\nchar s[maxn];\n\n\n\nint main() {\n\n\tint n = read, k = read;\n\n\tscanf(\"%s\", s + 1);\n\n\n\n\tint p = 1, A = 'A';\n\n\twhile(k --) {\n\n\t\tif(s[p] == A)\n\n\t\t\ts[p] = 'A' + 'B' - s[p];\n\n\t\telse {\n\n\t\t\tA = 'A' + 'B' - A;\n\n\t\t\t++ p;\n\n\t\t\tif(p > n) p = 1;\n\n\t\t}\n\n\t}\n\n\n\n\tfor(int i = p; i <= n; i ++)\n\n\t\tprintf(\"%c\", \"BA\"[s[i] == A]);\n\n\tfor(int i = 1; i < p; i ++)\n\n\t\tprintf(\"%c\", \"BA\"[s[i] == A]);\n\n\tputs(\"\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002286"}874{"label": "pie_cpp_validation_002287", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1686, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 1686, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002287.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002287", "task_path": "tasks/validation/pie_cpp_validation_002287.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include<algorithm>\n\n#include<cmath>\n\n#include<iomanip>\n\n#include<iostream>\n\n#include<map>\n\n#include<numeric>\n\n#include<queue>\n\n#include<set>\n\n#include<sstream>\n\n#include<vector>\n\nusing namespace std;\n\nusing uint = unsigned int;\n\nusing ll = long long;\n\nconst int M = 1e9 + 7;\n\nconst ll MLL = 1e18L + 9;\n\n#pragma unused(M)\n\n#pragma unused(MLL)\n\n#ifdef LOCAL\n\n#include\"rprint.hpp\"\n\n#else\n\ntemplate <class... T> void printl(T&&...){ }\n\ntemplate <class... T> void printc(T&&...){ }\n\ntemplate <class... T> void prints(T&&...){ }\n\ntemplate <class... T> void printd(T&&...){ }\n\n#endif\n\n\n\nint main(){\n\n // chrono::steady_clock clk;\n\n // auto start = clk.now();\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int n, k;\n\n cin >> n >> k;\n\n string s; cin >> s;\n\n vector<int> ss(n);\n\n for(int i=0;i<n;i++){\n\n ss[i] = s[i] == 'A';\n\n }\n\n bool flip = false, fflip = false;;\n\n int idx = 0;\n\n for(int i=0;i<k;i++){\n\n if(flip ^ ss[idx]){\n\n // ss[idx] = !ss[idx];\n\n ss[idx] ^= 1;\n\n }else{\n\n // flip = !flip;\n\n flip ^= 1;\n\n idx++;\n\n if(idx == n){ idx = 0; }\n\n }\n\n // if(i % 1000000 == 0 && clk.now() - start > 1900ms){\n\n // if(n % 2 && (k - i - 1) % 2){\n\n // fflip = true;\n\n // }\n\n // break;\n\n // }\n\n }\n\n cout << (fflip ^ flip ^ ss[idx] ? 'A' : 'B');\n\n for(int i=1;i<n;i++){\n\n cout << (flip ^ ss[(idx + i) % n] ? 'A' : 'B');\n\n }\n\n cout << '\\n';\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002287"}875{"label": "pie_cpp_validation_002288", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002288.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002288", "task_path": "tasks/validation/pie_cpp_validation_002288.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<cstring>\n\n#include<algorithm>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\nconst int MAXN=2e5+5;\n\n\n\nint n,k,st;\n\nchar s[MAXN];\n\nint num[MAXN];\n\n\n\nint main(){\n\n scanf(\"%d%d%s\",&n,&k,s+1);\n\n for(int i=1;i<=n;i++)\n\n num[i]=s[i]-'A';\n\n st=num[1];\n\n int p=1,cnt=0;\n\n while(k--){\n\n if(st==0){\n\n st^=1;\n\n num[p]^=1;\n\n }\n\n else{\n\n cnt++;\n\n st=num[++p];\n\n st^=(cnt&1);\n\n }\n\n if(p>n) break;\n\n }\n\n if(p<=n){\n\n for(int i=p;i<=n;i++)\n\n putchar('A'+(num[i]^(cnt&1)));\n\n int t=p-1,c=(cnt-1)&1;\n\n while(t--){\n\n putchar('A'+c);\n\n c^=1;\n\n }\n\n }\n\n else{\n\n if((cnt-1)&1)\n\n for(int i=1;i<=n;i++)\n\n putchar('A'+(i&1));\n\n else{\n\n putchar('A'+(k&1));\n\n for(int i=1;i<n;i++)\n\n putchar('A'+(i&1));\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002288"}876{"label": "pie_cpp_validation_002289", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03788", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002289.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002289", "task_path": "tasks/validation/pie_cpp_validation_002289.json", "visible_test_count": 1}, "problem_id": "p03788", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 1\nABAAA\n\nExpected output:\nBBAAA\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n#define OUT(x) cout << #x << \" = \" << x << endl; \n\n#define rep(i, n) for (int (i) = 0; (i) < (int)(n); (i)++)\n\n#define rer(i, l, r) for (int (i) = (int)(l); (i) <= (int)(r); (i)++)\n\n#define reu(i, l, r) for (int (i) = (int)(l); (i) < (int)(r); (i)++)\n\n#define each(i, v) for (auto i : v)\n\n#define all(x) (x).begin(), (x).end()\n\n#define rall(x) (x).rbegin(), (x).rend()\n\n#define pb(x) push_back(x)\n\n#define bp(x) __builtin_popcount(x)\n\n#define mp(x, y) make_pair((x), (y))\n\n#define fi first\n\n#define se second\n\n#define setp(x) setprecision(x)\n\n#define mset(m, v) memset(m, v, sizeof(m))\n\n#define sz(x) (int)(x.size())\n\nstatic const int INF = 0x3f3f3f3f;\n\nstatic const long long INFL = 0x3f3f3f3f3f3f3f3fLL;\n\nstatic const int MOD = 1000000007;\n\nstatic const double PI = 3.14159265358979;\n\n\n\n//#define int long long\n\n\n\ntypedef vector<double> vd;\n\ntypedef vector<string> vs;\n\ntypedef vector<bool> vb;\n\ntypedef vector<int> vi;\n\ntypedef pair<int, int> pii;\n\ntypedef vector<pii> vpii;\n\n\n\ntemplate<typename T> void pv(T a, T b) { for (T i = a; i != b; i ++) cout << *i << \" \"; cout << endl; }\n\ntemplate<typename T, typename U> inline void amin(T &x, U y) { if (y < x) x = y; }\n\ntemplate<typename T, typename U> inline void amax(T &x, U y) { if (x < y) x = y; }\n\nint in() { int _x; scanf(\"%d\", &_x); return _x; }\n\nlong long lin() {long long _x; scanf(\"%lld\", &_x); return _x; };\n\n\n\nsigned main() { \n\n int n, k;\n\n cin >> n >> k;\n\n string s;\n\n cin >> s;\n\n if (k > 2 * n) k = 2 * n + (k % 2);\n\n int rev = 0;\n\n deque<int> dq;\n\n rep(i, n) dq.pb(s[i] == 'A');\n\n rep(i, k) {\n\n if (dq.front() ^ rev) {\n\n dq.pop_front();\n\n dq.push_front(rev);\n\n } else {\n\n rev ^= 1;\n\n dq.pop_front();\n\n dq.pb(1 ^ rev);\n\n }\n\n }\n\n rep(i, n) {\n\n if (rev ^ dq.front()) cout << \"A\";\n\n else cout << \"B\";\n\n dq.pop_front();\n\n }\n\n cout << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002289"}877{"label": "pie_cpp_validation_002541", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00877", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002541.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002541", "task_path": "tasks/validation/pie_cpp_validation_002541.json", "visible_test_count": 1}, "problem_id": "p00877", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n100 700\n200 200\n600 600\n500 100\n500 300\n800 500\n3 3\n100 300\n400 600\n400 100\n600 400\n500 900\n300 300\n3 4\n300 300\n500 300\n400 600\n100 100\n200 900\n500 900\n800 100\n1 2\n300 300\n100 100\n500 500\n1 1\n100 100\n200 100\n2 2\n0 0\n500 700\n1000 1400\n1500 2100\n2 2\n0 0\n1000 1000\n1000 0\n0 1000\n3 3\n0 100\n4999 102\n10000 103\n5001 102\n10000 102\n0 101\n3 3\n100 100\n200 100\n100 200\n0 0\n400 0\n0 400\n3 3\n2813 1640\n2583 2892\n2967 1916\n541 3562\n9298 3686\n7443 7921\n0 0\n\nExpected output:\nYES\nNO\nNO\nNO\nYES\nYES\nNO\nNO\nNO\nYES\n\n\nProgram:\n```cpp\n// File Name: D.cpp\n\n// Author: YangYue\n\n// Created Time: Thu Oct 10 12:41:57 2013\n\n//headers \n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <ctime>\n\n#include <string>\n\n#include <queue>\n\n#include <set>\n\n#include <map>\n\n#include <iostream>\n\n#include <vector>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long LL;\n\ntypedef unsigned long long ULL;\n\ntypedef pair<int,int> PII;\n\ntypedef pair<double,double> PDD;\n\ntypedef pair<LL, LL>PLL;\n\ntypedef pair<LL,int>PLI;\n\n\n\n#define lch(n) ((n<<1))\n\n#define rch(n) ((n<<1)+1)\n\n#define lowbit(i) (i&-i)\n\n#define sqr(x) ((x)*(x))\n\n#define fi first\n\n#define se second\n\n#define MP make_pair\n\n#define PB push_back\n\n\n\nconst int MaxN = 2005;\n\nconst double eps = 1e-8;\n\nconst double DINF = 1e100;\n\nconst int INF = 1000000006;\n\nconst LL LINF = 1000000000000000005ll;\n\n\n\nint dcmp(double x) { return x < -eps ? -1 : x > eps; }\n\nstruct Point {\n\n\tdouble x, y;\n\n\tPoint (){}\n\n\tPoint(double x, double y) : x(x), y(y) {}\n\n\tPoint operator - (const Point &b) { return Point(x - b.x, y - b.y); }\n\n\tPoint operator + (const Point &b) { return Point(x + b.x, y + b.y); }\n\n\tPoint operator * (const double &b) { return Point(x * b, y * b); }\n\n\tPoint operator / (const double &b) { return Point(x / b, y / b); }\n\n\tPoint rot90(int t) { return Point(-y, x) * t; }\n\n\tdouble operator * (const Point &b) { return x * b.y - y * b.x; }\n\n\tdouble operator % (const Point &b) { return x * b.x + y * b.y; }\n\n\tdouble len2() { return x * x + y * y; }\n\n\tdouble len() { return sqrt(x * x + y * y); }\n\n\tbool operator < (const Point &b) const {\n\n\t\tif (dcmp(x - b.x) != 0) return dcmp(x - b.x) < 0;\n\n\t\treturn dcmp(y - b.y) < 0;\n\n\t}\n\n\tvoid init() {\n\n\t\tscanf(\"%lf%lf\", &x, &y); \n\n\t}\n\n} p[MaxN];\n\nbool on_line(Point p, Point p1, Point p2) {\n\n\treturn dcmp((p - p1) * (p - p2)) == 0;\n\n}\n\npair<Point, int> keys[MaxN];\n\nbool yes[2][2];\n\nbool check(Point s, Point e, int n, int m) {\n\n\tint keysize = 0;\n\n\tfor (int i = 0; i < n; ++i) {\n\n\t\tif (on_line(p[i], s, e)) keys[keysize++] = make_pair(p[i], i < m ? 0 : 1);\n\n\t}\n\n\tsort(keys, keys + keysize);\n\n\tint i = 0, j = 0;\n\n\tfor (; i < keysize && keys[i].second == keys[0].second; ++i);\n\n\tfor (j = i; j < keysize && keys[i].second == keys[j].second; ++j);\n\n\tif (j < keysize) return 0;\n\n\tmemset(yes, 0, sizeof yes);\n\n\tfor (int i = 0; i < n; ++i) {\n\n\t\tif ((e - s) * (p[i] - s) > eps) {\n\n\t\t\tint t = i < m ? 0 : 1;\n\n\t\t\tyes[0][t] = 1;\n\n\t\t}\n\n\t}\n\n\tfor (int i = 0; i < n; ++i) {\n\n\t\tif ((e - s) * (p[i] - s) < -eps) {\n\n\t\t\tint t = i < m ? 0 : 1;\n\n\t\t\tyes[1][t] = 1;\n\n\t\t}\n\n\t}\n\n\tif (yes[0][0] && yes[0][1]) return 0;\n\n\tif (yes[1][0] && yes[1][1]) return 0;\n\n\tif (yes[0][1] && yes[1][1]) return 0;\n\n\tif (yes[0][0] && yes[1][0]) return 0;\n\n\treturn 1;\n\n}\n\nint main()\n\n{\n\n\t//freopen(\"in\",\"r\",stdin);\n\n\n\n\tint n, m;\n\n\twhile (1) {\n\n\t\tscanf(\"%d%d\", &n,&m); if (n == 0 && m == 0) break;\n\n\t\tfor (int i = 0; i < n + m; ++i) p[i].init();\n\n\t\tbool yes = 0;\n\n\t\tfor (int i = 0; i < n + m; ++i) {\n\n\t\t\tfor (int j = i + 1; j < n + m; ++j) {\n\n\t\t\t\tif (check(p[i], p[j], n + m, n)) {\n\n\t\t\t\t\tyes = 1;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tif (yes) break;\n\n\t\t}\n\n\t\tif (yes) puts(\"YES\");\n\n\t\telse puts(\"NO\");\n\n\t}\n\n\n\n\treturn 0;\n\n}\n\n\n\n// hehe ~\n```", "split": "validation", "task_id": "pie_cpp_validation_002541"}878{"label": "pie_cpp_validation_002542", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p00877", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002542.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002542", "task_path": "tasks/validation/pie_cpp_validation_002542.json", "visible_test_count": 1}, "problem_id": "p00877", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n100 700\n200 200\n600 600\n500 100\n500 300\n800 500\n3 3\n100 300\n400 600\n400 100\n600 400\n500 900\n300 300\n3 4\n300 300\n500 300\n400 600\n100 100\n200 900\n500 900\n800 100\n1 2\n300 300\n100 100\n500 500\n1 1\n100 100\n200 100\n2 2\n0 0\n500 700\n1000 1400\n1500 2100\n2 2\n0 0\n1000 1000\n1000 0\n0 1000\n3 3\n0 100\n4999 102\n10000 103\n5001 102\n10000 102\n0 101\n3 3\n100 100\n200 100\n100 200\n0 0\n400 0\n0 400\n3 3\n2813 1640\n2583 2892\n2967 1916\n541 3562\n9298 3686\n7443 7921\n0 0\n\nExpected output:\nYES\nNO\nNO\nNO\nYES\nYES\nNO\nNO\nNO\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long int LL;\n\n\n\nstruct Vector {\n\n\tLL x, y;\n\n\n\n\tVector (LL x = 0, LL y = 0) : x(x), y(y) { }\n\n\n\n\tLL cross(const Vector &b) const {\n\n\t\treturn x * b.y - y * b.x;\n\n\t}\n\n\n\n\tVector operator-(const Vector &b) const {\n\n\t\treturn Vector(x - b.x, y - b.y);\n\n\t}\n\n\n\n\tLL dot(const Vector &b) const {\n\n\t\treturn x * b.x + y * b.y;\n\n\t}\n\n};\n\n\n\nconst int maxn = 1024;\n\n\n\nint N, M, all;\n\nVector P[maxn];\n\n\n\n\n\nstruct Cmp { \n\n\tVector s, t;\n\n\tbool operator() (const int a, const int b) {\n\n\t\treturn (P[a] - s).dot(t - s) < (P[b] - s).dot(t - s);\n\n\t}\n\n};\n\n\n\ninline bool getColor(int i) {\n\n\treturn (0 <= i && i < N);\n\n}\n\n\n\ninline bool judge(Vector a, Vector b) {\n\n\tint n = 0;\n\n\tstatic int tmp[maxn];\n\n\n\n\tif (a.x == b.x && a.y == b.y) {\n\n\t\treturn false ;\n\n\t}\n\n\tfor (int i = 0;i < N;i++) {\n\n\t\tif ((P[i] - b).cross(a - b) > 0)\n\n\t\t\treturn false ;\n\n\t}\n\n\tfor (int i = N;i < all;i++) {\n\n\t\tif ((P[i] - b).cross(a - b) < 0) {\n\n\t\t\treturn false ;\n\n\t\t}\n\n\t}\n\n\tfor (int i = 0;i < all;i++) {\n\n\t\tif ((P[i] - b).cross(a - b) == 0) {\n\n\t\t\ttmp[n++] = i;\n\n\t\t}\n\n\t}\n\n\tCmp cmp;\n\n\tcmp.s = a; cmp.t = b;\n\n\tsort(tmp, tmp + n, cmp);\n\n\n\n\tbool exp = 1;\n\n\tfor (int i = 0;i < n;i++) {\n\n\t\tint t = tmp[i];\n\n\t\tif (exp == 1 && getColor(t) != getColor(tmp[0])) {\n\n\t\t\texp = 0;\n\n\t\t}\n\n\t\tif ((getColor(t) == getColor(tmp[0])) != exp) {\n\n\t\t\treturn false ;\n\n\t\t}\n\n\t}\n\n\treturn true ;\n\n}\n\n\n\nint main() {\n\n\twhile (scanf(\"%d%d\", &N, &M), !(N == 0 && M == 0)) {\n\n\t\tfor (int i = 0;i < N;i++) {\n\n\t\t\tscanf(\"%lld%lld\", &P[i].x, &P[i].y);\n\n\t\t}\n\n\t\tfor (int i = N;i < N+M;i++) {\n\n\t\t\tscanf(\"%lld%lld\", &P[i].x, &P[i].y);\n\n\t\t}\n\n\t\tall = N + M;\n\n\t\tif (all <= 1) {\n\n\t\t\tputs(\"YES\");\n\n\t\t\tcontinue ;\n\n\t\t}\n\n\t\tfor (int i = 0;i < all;i++) {\n\n\t\t\tfor (int j = 0;j < i;j++) {\n\n\t\t\t\tif (judge(P[i], P[j]) || judge(P[j], P[i])) {\n\n\t\t\t\t\tputs(\"YES\");\n\n\t\t\t\t\tgoto OUT;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tputs(\"NO\");\n\nOUT:\t\t;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002542"}879{"label": "pie_cpp_validation_002543", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00877", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002543.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002543", "task_path": "tasks/validation/pie_cpp_validation_002543.json", "visible_test_count": 1}, "problem_id": "p00877", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n100 700\n200 200\n600 600\n500 100\n500 300\n800 500\n3 3\n100 300\n400 600\n400 100\n600 400\n500 900\n300 300\n3 4\n300 300\n500 300\n400 600\n100 100\n200 900\n500 900\n800 100\n1 2\n300 300\n100 100\n500 500\n1 1\n100 100\n200 100\n2 2\n0 0\n500 700\n1000 1400\n1500 2100\n2 2\n0 0\n1000 1000\n1000 0\n0 1000\n3 3\n0 100\n4999 102\n10000 103\n5001 102\n10000 102\n0 101\n3 3\n100 100\n200 100\n100 200\n0 0\n400 0\n0 400\n3 3\n2813 1640\n2583 2892\n2967 1916\n541 3562\n9298 3686\n7443 7921\n0 0\n\nExpected output:\nYES\nNO\nNO\nNO\nYES\nYES\nNO\nNO\nNO\nYES\n\n\nProgram:\n```cpp\n#include <iostream> \n\n#include <cstdio> \n\n#include <cstring> \n\n#include <algorithm> \n\n#include <cmath> \n\nusing namespace std; \n\n \n\nstruct Point \n\n{ \n\n double x,y; \n\n Point (double x=0, double y=0) :x(x),y(y) {} \n\n void show() { cout<<\"(\"<<x<<\",\"<<y<<\")\"<<endl; } \n\n}; \n\ntypedef Point Vector; \n\n \n\nbool operator < (const Point& A, const Point& B ) \n\n{ \n\n return A.x < B.x || (A.x == B.x && A.y < B.y); \n\n} \n\nVector operator - ( Point A, Point B) { return Vector(A.x-B.x, A.y-B.y); } \n\ndouble Cross(Vector A, Vector B) { return A.x*B.y - B.x*A.y; } \n\n \n\nconst double eps = 1e-10; \n\nint dcmp(double x) \n\n{ \n\n if(fabs(x) < eps) return 0; \n\n return x>0? 1: -1; \n\n} \n\n \n\nint ConvexHull ( Point* p, int n, Point* ch) \n\n{ \n\n sort(p, p+n); \n\n int m = 0; \n\n for(int i = 0; i<n; i++) \n\n { \n\n while(m > 1 && Cross( ch[m-1] - ch[m-2], p[i] - ch[m-2]) <= 0) m--; \n\n ch[m++] = p[i]; \n\n } \n\n int k = m; \n\n for(int i = n-2; i>=0; i--) \n\n { \n\n while(m > k && Cross( ch[m-1] - ch[m-2], p[i] - ch[m-2]) <= 0) m--; \n\n ch[m++] = p[i]; \n\n } \n\n ///\u9711\u5029\u30f2\u2235\u96bc\u8373?\u30af\u72d7\u51fd\u8b0c\u4ed9\u3001\u590a\u30bb\u30b1\u8816\u300c\u7e32? \n\n ch[m++] = ch[0]; \n\n if(n > 1) m--; \n\n return m; \n\n} \n\n \n\nPoint black[120],white[120],cw[120],cb[120]; \n\nint nb,nw,n,m; \n\n \n\nvoid reset() \n\n{ \n\n memset(black,0,sizeof(black)); \n\n memset(white,0,sizeof(white)); \n\n memset(cw,0,sizeof(cw)); \n\n memset(cb,0,sizeof(cb)); \n\n} \n\n \n\nbool SideCross(Point a1, Point a2, Point b1, Point b2) \n\n{ \n\n double c1 = Cross(a2 - a1, b1 - a1), c2 = Cross(a2 - a1, b2 - a1), \n\n c3 = Cross(b2 - b1, a1 - b1), c4 = Cross(b2 - b1, a2 - b1); \n\n return dcmp(c1)*dcmp(c2)<0 && dcmp(c3)*dcmp(c4)<0; \n\n} \n\n \n\nbool pInConvex(Point a, Point* ch, int n) \n\n{ \n\n int i; \n\n if(n==3) \n\n { \n\n if(a.x < min(ch[0].x, ch[1].x) || a.x > max(ch[0].x, ch[1].x)) return 0; \n\n if(a.y < min(ch[0].y, ch[1].y) || a.y > max(ch[0].y, ch[1].y)) return 0; \n\n } \n\n for(i=1;i<n;i++) \n\n { \n\n if(Cross( ch[i]-ch[i-1], a-ch[i-1] ) < 0 ) return 0; \n\n } \n\n return 1; \n\n} \n\n \n\nint solve() \n\n{ \n\n int i,j; \n\n if(n==1&&m==1) return 1; \n\n else if(n==1) \n\n { \n\n ///\u8b07\u30bb\u900b\u30b9\u87c4\u4ed9?\u86f9?\u3001\u590a\u30bb\u30b1\u8816\u300c\u7e32\u3087\u611b\u8b41\u30e5\u9711\u5429\u30af\u30a7\u9b9f\u5927\u30e5\u5148\u5f0d\u8737\u30f2\u8768\u30a3\u900b\u30b9\u86f9?? \n\n nw=ConvexHull(white, m, cw); \n\n if(pInConvex(black[0], cw, nw)) return 0; \n\n } \n\n else if(m==1) \n\n { \n\n ///\u8b07\u30bb\u9b9f\u5927\u30e5\u4ed9?\u86f9?\u3001\u590a\u30bb\u30b1\u8816\u300c\u7e32\u3087\u611b\u8b41\u30e5\u9711\u5429\u30af\u30a7\u900b\u30b9\u87c4\u5148\u5f0d\u8737\u30f2\u8768\u30a3\u9b9f\u5927\u6841\u8700? \n\n nb=ConvexHull(black, n, cb); \n\n if(pInConvex(white[0], cb, nb)) return 0; \n\n } \n\n else \n\n { \n\n ///\u8b07\u30bb\u9b9f\u918d\u5340\u8703\u30af\u86f9?\u3001\u590a\u30bb\u30b1\u8816\u300c\u7e32\u3087\u611b\u8b41\u30e5\u8b4f\u30c3\u8737\u30f2\u8b5b\u81e5\u30b3\u30bd\u8c3f\u30aa\u9036\u30af\u83a0\u3001\u8b0c\u4e5f\u305b\u8768\u30a3\u873f\u30f2\u8373?\u30af\u30a7\u8703\u30af\u86f9??\u7e32? \n\n nb=ConvexHull(black, n, cb); \n\n nw=ConvexHull(white, m, cw); \n\n for(i=1;i<nb;i++) \n\n { \n\n for(j=1;j<nw;j++) \n\n if(SideCross( cb[i], cb[i-1], cw[j] ,cw[j-1] )) return 0; \n\n } \n\n for(i=0;i<n;i++) \n\n if(pInConvex(black[i], cw, nw)) return 0; \n\n for(i=0;i<m;i++) \n\n if(pInConvex(white[i], cb, nb)) return 0; \n\n } \n\n return 1; \n\n} \n\n \n\nint main() \n\n{ \n\n int i,tx,ty; \n\n while(cin>>n>>m,n||m) \n\n { \n\n reset(); \n\n for(i=0;i<n;i++) \n\n { \n\n cin>>tx>>ty; \n\n black[i]=Point(tx,ty); \n\n } \n\n for(i=0;i<m;i++) \n\n { \n\n cin>>tx>>ty; \n\n white[i]=Point(tx,ty); \n\n } \n\n int ans=solve(); \n\n if(ans) \n\n cout<<\"YES\"<<endl; \n\n else \n\n cout<<\"NO\"<<endl; \n\n } \n\n return 0; \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002543"}880{"label": "pie_cpp_validation_002544", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 620, "hidden_test_count": 1, "problem_id": "p00877", "reference_metric": "runtime_cpu_ns", "reference_value": 620, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002544.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002544", "task_path": "tasks/validation/pie_cpp_validation_002544.json", "visible_test_count": 1}, "problem_id": "p00877", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n100 700\n200 200\n600 600\n500 100\n500 300\n800 500\n3 3\n100 300\n400 600\n400 100\n600 400\n500 900\n300 300\n3 4\n300 300\n500 300\n400 600\n100 100\n200 900\n500 900\n800 100\n1 2\n300 300\n100 100\n500 500\n1 1\n100 100\n200 100\n2 2\n0 0\n500 700\n1000 1400\n1500 2100\n2 2\n0 0\n1000 1000\n1000 0\n0 1000\n3 3\n0 100\n4999 102\n10000 103\n5001 102\n10000 102\n0 101\n3 3\n100 100\n200 100\n100 200\n0 0\n400 0\n0 400\n3 3\n2813 1640\n2583 2892\n2967 1916\n541 3562\n9298 3686\n7443 7921\n0 0\n\nExpected output:\nYES\nNO\nNO\nNO\nYES\nYES\nNO\nNO\nNO\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\n#define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i))\n\n#define all(x) (x).begin(),(x).end()\n\n#define pb push_back\n\n#define x first\n\n#define y second\n\n\n\nconst int INF = 19191919;\n\n\n\nusing Point = pair<int,int>;\n\n\n\nbool solve(int n, int m){\n\n vector<Point> b(n),w(m);\n\n rep(i,n) cin >>b[i].x >>b[i].y;\n\n rep(i,m) cin >>w[i].x >>w[i].y;\n\n\n\n rep(i,n)rep(j,m){\n\n int A = w[j].y - b[i].y;\n\n int B = b[i].x - w[j].x;\n\n int C = b[i].y*w[j].x - b[i].x*w[j].y;\n\n\n\n bool ok = true;\n\n vector<pair<Point,int>> on_line;\n\n\n\n int bp = 0, bm = 0;\n\n rep(k,n){\n\n int v = A*b[k].x + B*b[k].y + C;\n\n\n\n if(v>0) ++bp;\n\n else if(v<0) ++bm;\n\n else on_line.pb({b[k],0});\n\n }\n\n\n\n int wp = 0 , wm = 0;\n\n rep(k,m){\n\n int v = A*w[k].x + B*w[k].y + C;\n\n\n\n if(v>0) ++wp;\n\n else if(v<0) ++wm;\n\n else on_line.pb({w[k],1});\n\n }\n\n\n\n if(bp>0 && bm>0) ok = false;\n\n if(wp>0 && wm>0) ok = false;\n\n if(bp>0 && wp>0) ok = false;\n\n if(bm>0 && wm>0) ok = false;\n\n\n\n sort(all(on_line));\n\n int sz = on_line.size();\n\n int ch = 0;\n\n rep(k,sz-1) ch += (on_line[k].second != on_line[k+1].second);\n\n\n\n if(ch>1) ok = false;\n\n if(ok) return true;\n\n }\n\n\n\n return false;\n\n}\n\n\n\nint main(){\n\n int n,m;\n\n while(cin >>n >>m,n) cout << (solve(n,m)?\"YES\":\"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002544"}881{"label": "pie_cpp_validation_002545", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00877", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002545.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002545", "task_path": "tasks/validation/pie_cpp_validation_002545.json", "visible_test_count": 1}, "problem_id": "p00877", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n100 700\n200 200\n600 600\n500 100\n500 300\n800 500\n3 3\n100 300\n400 600\n400 100\n600 400\n500 900\n300 300\n3 4\n300 300\n500 300\n400 600\n100 100\n200 900\n500 900\n800 100\n1 2\n300 300\n100 100\n500 500\n1 1\n100 100\n200 100\n2 2\n0 0\n500 700\n1000 1400\n1500 2100\n2 2\n0 0\n1000 1000\n1000 0\n0 1000\n3 3\n0 100\n4999 102\n10000 103\n5001 102\n10000 102\n0 101\n3 3\n100 100\n200 100\n100 200\n0 0\n400 0\n0 400\n3 3\n2813 1640\n2583 2892\n2967 1916\n541 3562\n9298 3686\n7443 7921\n0 0\n\nExpected output:\nYES\nNO\nNO\nNO\nYES\nYES\nNO\nNO\nNO\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\nstruct Point\n\n{\n\n double x,y;\n\n Point (double x=0, double y=0) :x(x),y(y) {}\n\n void show() { cout<<\"(\"<<x<<\",\"<<y<<\")\"<<endl; }\n\n};\n\ntypedef Point Vector;\n\n\n\nbool operator < (const Point& A, const Point& B )\n\n{\n\n return A.x < B.x || (A.x == B.x && A.y < B.y);\n\n}\n\nVector operator - ( Point A, Point B) { return Vector(A.x-B.x, A.y-B.y); }\n\ndouble Cross(Vector A, Vector B) { return A.x*B.y - B.x*A.y; }\n\n\n\nconst double eps = 1e-10;\n\nint dcmp(double x)\n\n{\n\n if(fabs(x) < eps) return 0;\n\n return x>0? 1: -1;\n\n}\n\n\n\nint ConvexHull ( Point* p, int n, Point* ch)\n\n{\n\n sort(p, p+n);\n\n int m = 0;\n\n for(int i = 0; i<n; i++)\n\n {\n\n while(m > 1 && Cross( ch[m-1] - ch[m-2], p[i] - ch[m-2]) <= 0) m--;\n\n ch[m++] = p[i];\n\n }\n\n int k = m;\n\n for(int i = n-2; i>=0; i--)\n\n {\n\n while(m > k && Cross( ch[m-1] - ch[m-2], p[i] - ch[m-2]) <= 0) m--;\n\n ch[m++] = p[i];\n\n }\n\n ///还\u8981\u6539\u4e00\u4e0b\u751f\u6210\u591a边\u5f62\u3002\n\n ch[m++] = ch[0];\n\n if(n > 1) m--;\n\n return m;\n\n}\n\n\n\nPoint black[120],white[120],cw[120],cb[120];\n\nint nb,nw,n,m;\n\n\n\nvoid reset()\n\n{\n\n memset(black,0,sizeof(black));\n\n memset(white,0,sizeof(white));\n\n memset(cw,0,sizeof(cw));\n\n memset(cb,0,sizeof(cb));\n\n}\n\n\n\nbool SideCross(Point a1, Point a2, Point b1, Point b2)\n\n{\n\n double c1 = Cross(a2 - a1, b1 - a1), c2 = Cross(a2 - a1, b2 - a1),\n\n c3 = Cross(b2 - b1, a1 - b1), c4 = Cross(b2 - b1, a2 - b1);\n\n return dcmp(c1)*dcmp(c2)<0 && dcmp(c3)*dcmp(c4)<0;\n\n}\n\n\n\nbool pInConvex(Point a, Point* ch, int n)\n\n{\n\n int i;\n\n if(n==3)\n\n {\n\n if(a.x < min(ch[0].x, ch[1].x) || a.x > max(ch[0].x, ch[1].x)) return 0;\n\n if(a.y < min(ch[0].y, ch[1].y) || a.y > max(ch[0].y, ch[1].y)) return 0;\n\n }\n\n for(i=1;i<n;i++)\n\n {\n\n if(Cross( ch[i]-ch[i-1], a-ch[i-1] ) < 0 ) return 0;\n\n }\n\n return 1;\n\n}\n\n\n\nint solve()\n\n{\n\n int i,j;\n\n if(n==1&&m==1) return 1;\n\n else if(n==1)\n\n {\n\n ///\u627e\u767d\u5b50\u51f8\u5305\u591a边\u5f62\u3002\u5224\u65ad这\u4e2a?\u5b50\u662f\u5426\u5728\u767d\u5305\u5185\n\n nw=ConvexHull(white, m, cw);\n\n if(pInConvex(black[0], cw, nw)) return 0;\n\n }\n\n else if(m==1)\n\n {\n\n ///\u627e?\u5b50\u51f8\u5305\u591a边\u5f62\u3002\u5224\u65ad这\u4e2a\u767d\u5b50\u662f\u5426\u5728?\u5305\u5185\n\n nb=ConvexHull(black, n, cb);\n\n if(pInConvex(white[0], cb, nb)) return 0;\n\n }\n\n else\n\n {\n\n ///\u627e?\u767d\u51f8\u5305\u591a边\u5f62\u3002\u5224\u65ad\u662f\u5426\u6709线\u6bb5\u76f8\u4ea4\u6216\u70b9\u5728另\u4e00\u4e2a\u51f8\u5305\u5185\u3002\n\n nb=ConvexHull(black, n, cb);\n\n nw=ConvexHull(white, m, cw);\n\n for(i=1;i<nb;i++)\n\n {\n\n for(j=1;j<nw;j++)\n\n if(SideCross( cb[i], cb[i-1], cw[j] ,cw[j-1] )) return 0;\n\n }\n\n for(i=0;i<n;i++)\n\n if(pInConvex(black[i], cw, nw)) return 0;\n\n for(i=0;i<m;i++)\n\n if(pInConvex(white[i], cb, nb)) return 0;\n\n }\n\n return 1;\n\n}\n\n\n\nint main()\n\n{\n\n int i,tx,ty;\n\n while(cin>>n>>m,n||m)\n\n {\n\n reset();\n\n for(i=0;i<n;i++)\n\n {\n\n cin>>tx>>ty;\n\n black[i]=Point(tx,ty);\n\n }\n\n for(i=0;i<m;i++)\n\n {\n\n cin>>tx>>ty;\n\n white[i]=Point(tx,ty);\n\n }\n\n int ans=solve();\n\n if(ans)\n\n cout<<\"YES\"<<endl;\n\n else\n\n cout<<\"NO\"<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002545"}882{"label": "pie_cpp_validation_002546", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00877", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002546.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002546", "task_path": "tasks/validation/pie_cpp_validation_002546.json", "visible_test_count": 1}, "problem_id": "p00877", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n3 3\n100 700\n200 200\n600 600\n500 100\n500 300\n800 500\n3 3\n100 300\n400 600\n400 100\n600 400\n500 900\n300 300\n3 4\n300 300\n500 300\n400 600\n100 100\n200 900\n500 900\n800 100\n1 2\n300 300\n100 100\n500 500\n1 1\n100 100\n200 100\n2 2\n0 0\n500 700\n1000 1400\n1500 2100\n2 2\n0 0\n1000 1000\n1000 0\n0 1000\n3 3\n0 100\n4999 102\n10000 103\n5001 102\n10000 102\n0 101\n3 3\n100 100\n200 100\n100 200\n0 0\n400 0\n0 400\n3 3\n2813 1640\n2583 2892\n2967 1916\n541 3562\n9298 3686\n7443 7921\n0 0\n\nExpected output:\nYES\nNO\nNO\nNO\nYES\nYES\nNO\nNO\nNO\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\nstruct Point\n\n{\n\n double x,y;\n\n Point (double x=0, double y=0) :x(x),y(y) {}\n\n void show() { cout<<\"(\"<<x<<\",\"<<y<<\")\"<<endl; }\n\n};\n\ntypedef Point Vector;\n\n\n\nbool operator < (const Point& A, const Point& B )\n\n{\n\n return A.x < B.x || (A.x == B.x && A.y < B.y);\n\n}\n\nVector operator - ( Point A, Point B) { return Vector(A.x-B.x, A.y-B.y); }\n\ndouble Cross(Vector A, Vector B) { return A.x*B.y - B.x*A.y; }\n\n\n\nconst double eps = 1e-10;\n\nint dcmp(double x)\n\n{\n\n if(fabs(x) < eps) return 0;\n\n return x>0? 1: -1;\n\n}\n\n\n\nint ConvexHull ( Point* p, int n, Point* ch)\n\n{\n\n sort(p, p+n);\n\n int m = 0;\n\n for(int i = 0; i<n; i++)\n\n {\n\n while(m > 1 && Cross( ch[m-1] - ch[m-2], p[i] - ch[m-2]) <= 0) m--;\n\n ch[m++] = p[i];\n\n }\n\n int k = m;\n\n for(int i = n-2; i>=0; i--)\n\n {\n\n while(m > k && Cross( ch[m-1] - ch[m-2], p[i] - ch[m-2]) <= 0) m--;\n\n ch[m++] = p[i];\n\n }\n\n ///还\u8981\u6539\u4e00\u4e0b\u751f\u6210\u591a边\u5f62\u3002\n\n ch[m++] = ch[0];\n\n if(n > 1) m--;\n\n return m;\n\n}\n\n\n\nPoint black[120],white[120],cw[120],cb[120];\n\nint nb,nw,n,m;\n\n\n\nvoid reset()\n\n{\n\n memset(black,0,sizeof(black));\n\n memset(white,0,sizeof(white));\n\n memset(cw,0,sizeof(cw));\n\n memset(cb,0,sizeof(cb));\n\n}\n\n\n\nbool SideCross(Point a1, Point a2, Point b1, Point b2)\n\n{\n\n double c1 = Cross(a2 - a1, b1 - a1), c2 = Cross(a2 - a1, b2 - a1),\n\n c3 = Cross(b2 - b1, a1 - b1), c4 = Cross(b2 - b1, a2 - b1);\n\n return dcmp(c1)*dcmp(c2)<0 && dcmp(c3)*dcmp(c4)<0;\n\n}\n\n\n\nbool pInConvex(Point a, Point* ch, int n)\n\n{\n\n int i;\n\n if(n==3)\n\n {\n\n if(a.x < min(ch[0].x, ch[1].x) || a.x > max(ch[0].x, ch[1].x)) return 0;\n\n if(a.y < min(ch[0].y, ch[1].y) || a.y > max(ch[0].y, ch[1].y)) return 0;\n\n }\n\n for(i=1;i<n;i++)\n\n {\n\n if(Cross( ch[i]-ch[i-1], a-ch[i-1] ) < 0 ) return 0;\n\n }\n\n return 1;\n\n}\n\n\n\nint solve()\n\n{\n\n int i,j;\n\n if(n==1&&m==1) return 1;\n\n else if(n==1)\n\n {\n\n ///\u627e\u767d\u5b50\u51f8\u5305\u591a边\u5f62\u3002\u5224\u65ad这\u4e2a?\u5b50\u662f\u5426\u5728\u767d\u5305\u5185\n\n nw=ConvexHull(white, m, cw);\n\n if(pInConvex(black[0], cw, nw)) return 0;\n\n }\n\n else if(m==1)\n\n {\n\n ///\u627e?\u5b50\u51f8\u5305\u591a边\u5f62\u3002\u5224\u65ad这\u4e2a\u767d\u5b50\u662f\u5426\u5728?\u5305\u5185\n\n nb=ConvexHull(black, n, cb);\n\n if(pInConvex(white[0], cb, nb)) return 0;\n\n }\n\n else\n\n {\n\n ///\u627e?\u767d\u51f8\u5305\u591a边\u5f62\u3002\u5224\u65ad\u662f\u5426\u6709线\u6bb5\u76f8\u4ea4\u6216\u70b9\u5728另\u4e00\u4e2a\u51f8\u5305\u5185\u3002\n\n nb=ConvexHull(black, n, cb);\n\n nw=ConvexHull(white, m, cw);\n\n for(i=1;i<nb;i++)\n\n {\n\n for(j=1;j<nw;j++)\n\n if(SideCross( cb[i], cb[i-1], cw[j] ,cw[j-1] )) return 0;\n\n }\n\n for(i=0;i<n;i++)\n\n if(pInConvex(black[i], cw, nw)) return 0;\n\n for(i=0;i<m;i++)\n\n if(pInConvex(white[i], cb, nb)) return 0;\n\n }\n\n return 1;\n\n}\n\n\n\nint main()\n\n{\n\n int i,tx,ty;\n\n while(cin>>n>>m,n||m)\n\n {\n\n reset();\n\n for(i=0;i<n;i++)\n\n {\n\n cin>>tx>>ty;\n\n black[i]=Point(tx,ty);\n\n }\n\n for(i=0;i<m;i++)\n\n {\n\n cin>>tx>>ty;\n\n white[i]=Point(tx,ty);\n\n }\n\n int ans=solve();\n\n if(ans)\n\n cout<<\"YES\"<<endl;\n\n else\n\n cout<<\"NO\"<<endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002546"}883{"label": "pie_cpp_validation_002547", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002547.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002547", "task_path": "tasks/validation/pie_cpp_validation_002547.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n long long int a,b=1,c;\n\n cin>>a;\n\n cout<<pow(a,3)<<endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002547"}884{"label": "pie_cpp_validation_002548", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002548.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002548", "task_path": "tasks/validation/pie_cpp_validation_002548.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n \n\n cout << n*n*n;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002548"}885{"label": "pie_cpp_validation_002549", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002549.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002549", "task_path": "tasks/validation/pie_cpp_validation_002549.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cmath>\n\nusing namespace std;\n\nint main()\n\n{\n\n\tint n;\n\n\tcin>>n;\n\n\t\tcout<<pow(n,3);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002549"}886{"label": "pie_cpp_validation_002550", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002550.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002550", "task_path": "tasks/validation/pie_cpp_validation_002550.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <math.h>\n\nusing namespace std;\n\n\n\nint n;\n\nint main () {\n\ncin>>n;\n\ncout<<pow(n,3)<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002550"}887{"label": "pie_cpp_validation_002551", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002551.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002551", "task_path": "tasks/validation/pie_cpp_validation_002551.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\nint n;\n\nint main()\n\n{\n\n cin>>n;\n\n cout<<n*n*n<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002551"}888{"label": "pie_cpp_validation_002552", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002552.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002552", "task_path": "tasks/validation/pie_cpp_validation_002552.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\nint main() {\n\n\n\n int n; cin >> n;\n\n cout << pow(n, 3);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002552"}889{"label": "pie_cpp_validation_002553", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002553.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002553", "task_path": "tasks/validation/pie_cpp_validation_002553.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\n#include<cmath>\n\nusing namespace std;\n\n\n\nint main(){\n\nint alaa;\n\ncin>>alaa;\n\ncout<<pow(alaa,3);\n\n\n\n\n\n\n\n\n\nreturn 0;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002553"}890{"label": "pie_cpp_validation_002554", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002554.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002554", "task_path": "tasks/validation/pie_cpp_validation_002554.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<cmath>\n\nusing namespace std;\n\nint main()\n\n{\n\n double n,result;\n\n cin>>n;\n\n\n\n result=pow(n,3);\n\n\n\n printf(\"%.0lf\",result);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002554"}891{"label": "pie_cpp_validation_002555", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002555.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002555", "task_path": "tasks/validation/pie_cpp_validation_002555.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n\n\nint main(){\n\n\tint n;\n\n\tscanf(\"%d\", &n);\n\n\tint tot=0;\n\n\ttot = n*n*n;\n\n\tprintf(\"%d\\n\", tot);\n\n\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002555"}892{"label": "pie_cpp_validation_002556", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002556.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002556", "task_path": "tasks/validation/pie_cpp_validation_002556.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n\tint n, l;\n\n\tscanf(\"%d\",&n);\n\n\tl = n * n * n;\n\n\tprintf(\"%d\", l);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002556"}893{"label": "pie_cpp_validation_002557", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002557.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002557", "task_path": "tasks/validation/pie_cpp_validation_002557.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main() {\n\n\t\n\n int pass;\n\n \n\n scanf(\"%d\", &pass);\n\n int result = pass*pass*pass;\n\n printf(\"%d\", result);\n\n\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002557"}894{"label": "pie_cpp_validation_002558", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002558.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002558", "task_path": "tasks/validation/pie_cpp_validation_002558.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main () {\n\n\tint a, rumus ;\n\n\tscanf(\"%d\", &a);\n\n\trumus = a*a*a;\n\n\tprintf (\"%d\", rumus);\n\n\t\n\n\treturn 0;\n\n\t\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002558"}895{"label": "pie_cpp_validation_002559", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002559.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002559", "task_path": "tasks/validation/pie_cpp_validation_002559.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main () {\n\n\t\n\n\tint g;\n\n\tscanf (\"%d\", &g);\n\n\tprintf (\"%d\", g*g*g);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002559"}896{"label": "pie_cpp_validation_002560", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002560.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002560", "task_path": "tasks/validation/pie_cpp_validation_002560.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n int n;\n\n scanf(\"%d\", &n);\n\n printf(\"%d\\n\", n*n*n);\n\n\t\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002560"}897{"label": "pie_cpp_validation_002561", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002561.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002561", "task_path": "tasks/validation/pie_cpp_validation_002561.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main() {\n\n\tint pass;\n\n\tint jawab;\n\n\t\n\n\tscanf(\"%d\", &pass);\n\n\tjawab = pass * pass * pass;\n\n\tprintf(\"%d\", jawab);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002561"}898{"label": "pie_cpp_validation_002562", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002562.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002562", "task_path": "tasks/validation/pie_cpp_validation_002562.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <random>\n\n#include <string>\n\n#include <cmath>\n\n#include <sstream>\n\n#include <istream>\n\n#include <iomanip>\n\n#include <typeinfo>\n\n#include <stack>\n\n#include <map>\n\n\n\nusing namespace std;\n\ntypedef long long int ll;\n\n\n\nint main(){\n\n\n\n ll N;\n\n cin >> N;\n\n\n\n cout << pow(N, 3) << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002562"}899{"label": "pie_cpp_validation_002563", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002563.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002563", "task_path": "tasks/validation/pie_cpp_validation_002563.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string>\n\n#include <math.h>\n\n#include <stdio.h>\n\n#include <iomanip>\n\n#include <limits>\n\n#include <list>\n\n#include <queue>\n\n#include <tuple>\n\n#include <map>\n\n#include <sstream>\n\nusing namespace std;\n\n#define MOD (long long int)(1e9+7)\n\n#define ll long long int\n\n#define rep(i,n) for(int i=0; i<(int)(n); i++)\n\n#define reps(i,n) for(int i=1; i<=(int)(n); i++)\n\n#define REP(i,n) for(int i=n-1; i>=0; i--)\n\n#define REPS(i,n) for(int i=n; i>0; i--)\n\n#define FOR(i,a,b) for(int i=a; i<(int)(b); i++)\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define RALL(a) (a).rbegin(), (a).rend()\n\n#define SORT(c) sort(ALL(x))\n\n#define CLR(a) memset((a), 0 ,sizeof(a))\n\n#define PB push_back\n\n#define MP make_pair\n\n#define SP << \" \" <<\n\nconst int INF = 1001001001;\n\nconst ll LINF = 100100100100100100;\n\nconst double EPS = 1e-10;\n\nconst double PI = acos(-1.0);\n\ntypedef pair<int,int> PII;\n\ntypedef vector<int> VI;\n\ntypedef vector<VI> VVI;\n\n\n\ntemplate<typename A, size_t N, typename T>\n\nvoid Fill(A (&array)[N], const T &val){\n\n std::fill( (T*)array, (T*)(array+N), val );\n\n}\n\n\n\n__attribute__((constructor))\n\nvoid initial(){\n\n\tcin.tie(nullptr);\n\n\tios::sync_with_stdio(false);\n\n\tcout << fixed << setprecision(15);\n\n}\n\n\n\nsigned main(){\n\n int n; cin>>n;\n\n cout << n*n*n << endl;\n\n\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002563"}900{"label": "pie_cpp_validation_002564", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002564.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002564", "task_path": "tasks/validation/pie_cpp_validation_002564.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tint n;\n\n\tcin >> n;\n\n\tcout << pow (n,3) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002564"}901{"label": "pie_cpp_validation_002565", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002565.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002565", "task_path": "tasks/validation/pie_cpp_validation_002565.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int n; cin >> n;\n\n cout << n*n*n;;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002565"}902{"label": "pie_cpp_validation_002566", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002566.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002566", "task_path": "tasks/validation/pie_cpp_validation_002566.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <math.h>\n\n\n\nusing namespace std;\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n\n\n cout << pow(n, 3) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002566"}903{"label": "pie_cpp_validation_002567", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002567.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002567", "task_path": "tasks/validation/pie_cpp_validation_002567.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\n\nint x;\n\ncin>>x;\n\n\n\ncout<<pow(x,3)<<endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002567"}904{"label": "pie_cpp_validation_002568", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002568.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002568", "task_path": "tasks/validation/pie_cpp_validation_002568.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main(void)\n\n{\n\n int N;\n\n cin>>N;\n\n cout<<N*N*N;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002568"}905{"label": "pie_cpp_validation_002569", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002569.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002569", "task_path": "tasks/validation/pie_cpp_validation_002569.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\nint main (){\n\n\tint pass;\n\n\t\n\n\tscanf(\"%d\" , &pass);\n\n\tprintf(\"%d\" , pass * pass * pass);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002569"}906{"label": "pie_cpp_validation_002570", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002570.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002570", "task_path": "tasks/validation/pie_cpp_validation_002570.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n\t\n\n\tint n;\n\n\tscanf(\"%d\", &n);\n\n\tprintf(\"%d\", n*n*n);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002570"}907{"label": "pie_cpp_validation_002571", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002571.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002571", "task_path": "tasks/validation/pie_cpp_validation_002571.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n\n\nint main (){\n\nint X;\t\n\nint jawaban;\n\n\t\n\nscanf(\"%d\", &X);\t\n\njawaban = X*X*X;\t\n\nprintf(\"%d\",jawaban);\t\n\n\n\nreturn 0;\t\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002571"}908{"label": "pie_cpp_validation_002572", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002572.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002572", "task_path": "tasks/validation/pie_cpp_validation_002572.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <utility>\n\n#include <map>\n\n#include <algorithm>\n\n#include <queue>\n\n#include <cmath>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n cout << pow(n,3) << endl; \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002572"}909{"label": "pie_cpp_validation_002573", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002573.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002573", "task_path": "tasks/validation/pie_cpp_validation_002573.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <utility>\n\n#include <map>\n\n#include <algorithm>\n\n#include <queue>\n\n#include <cmath>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n cerr << \"testtesttest\" << endl;\n\n cout << n*n*n << endl; \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002573"}910{"label": "pie_cpp_validation_002574", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002574.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002574", "task_path": "tasks/validation/pie_cpp_validation_002574.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\tint n;\n\n\tcin>>n;\n\n\tcout<<n*n*n;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002574"}911{"label": "pie_cpp_validation_002575", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002575.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002575", "task_path": "tasks/validation/pie_cpp_validation_002575.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#pragma GCC optimize(\"unroll-loops,no-stack-protector\")\n\n//#pragma GCC target(\"sse,sse2,ssse3,sse4,popcnt,abm,mmx,avx,tune=native\")\n\n#define watch(x) cout << (#x) << \" is \" << (x) << endl\n\n\n\ntypedef long long ll;\n\ntypedef long double ld;\n\nusing namespace std;\n\n\n\nconst int MOD = 1e9 + 7;\n\n\n\nint main()\n\n{\n\n ios_base::sync_with_stdio(false);\n\n cin.tie(NULL);\n\n int n;\n\n cin >> n;\n\n cout << pow(n, 3);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002575"}912{"label": "pie_cpp_validation_002576", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002576.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002576", "task_path": "tasks/validation/pie_cpp_validation_002576.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int n;\n\n cin>>n;\n\n cout<<pow(n,3)<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002576"}913{"label": "pie_cpp_validation_002577", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002577.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002577", "task_path": "tasks/validation/pie_cpp_validation_002577.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\nint N = 0;\n\ncin >> N;\n\n int ans = 0;\n\n ans = N * N * N;\n\n cout << ans << endl;\n\n \n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002577"}914{"label": "pie_cpp_validation_002578", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002578.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002578", "task_path": "tasks/validation/pie_cpp_validation_002578.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,n) for(int (i) = 0;(i) < (n);(i)++)\n\n#define SORT(c) sort((c).begin(),(c).end())\n\n#define MOD 1000000007 //S(vector).size()\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main(void){\n\n ll n;cin >> n;\n\n cout << pow(n,3)<<endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002578"}915{"label": "pie_cpp_validation_002579", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002579.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002579", "task_path": "tasks/validation/pie_cpp_validation_002579.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define F first\n\n#define S second\n\n#define pii pair<int, int>\n\n#define eb emplace_back\n\n#define all(v) v.begin(), v.end()\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n#define rep3(i, l, n) for (int i = l; i < (n); ++i)\n\n#define sz(v) (int)v.size()\n\n#define inf (int)(1e9+7)\n\n#define abs(x) (x >= 0 ? x : -(x))\n\n#define ceil(a, b) a / b + !!(a % b)\n\ntemplate<typename T1, typename T2> inline void chmin(T1 &a, T2 b) { if (a > b) a = b; }\n\ntemplate<typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; }\n\nll pow(ll a, int b) { return b ? pow(a * a, b / 2) * (b % 2 ? a : 1) : 1; }\n\ntemplate<typename T> T gcd(T a, T b) { if (b == 0) return a; return gcd(b, a % b); }\n\n\n\nint dx[] = {-1, 0, 1, 0};\n\nint dy[] = {0, 1, 0, -1};\n\n\n\n\n\nint main() {\n\n \n\n int n;\n\n cin >> n;\n\n cout << pow(n, 3) << '\\n';\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002579"}916{"label": "pie_cpp_validation_002580", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002580.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002580", "task_path": "tasks/validation/pie_cpp_validation_002580.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<string>\n\n#include<cmath>\n\n#include<set>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n\tint N;\n\n\tcin >> N;\n\n\n\n\tcout << pow(N, 3) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002580"}917{"label": "pie_cpp_validation_002581", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002581.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002581", "task_path": "tasks/validation/pie_cpp_validation_002581.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<string>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<cstdlib>\n\n#include<tuple>\n\n#include<iomanip>\n\n#include<stack>\n\n#include<map>\n\n#include<queue>\n\n#include<set>\n\n#define int long long\n\nusing namespace std;\n\nconst int INF = 1e10;\n\nconst int ZERO = 0;\n\n\n\nsigned main() {\n\n\tint N;\n\n\tcin >> N;\n\n\tcout << pow(N,3) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002581"}918{"label": "pie_cpp_validation_002582", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002582.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002582", "task_path": "tasks/validation/pie_cpp_validation_002582.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n cout << (n * n * n) << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002582"}919{"label": "pie_cpp_validation_002583", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002583.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002583", "task_path": "tasks/validation/pie_cpp_validation_002583.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\ntypedef long long ll;\n\nsigned main(){\n\n ll n;\n\n cin >> n;\n\n cout << n*n*n<<endl;;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002583"}920{"label": "pie_cpp_validation_002584", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002584.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002584", "task_path": "tasks/validation/pie_cpp_validation_002584.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n/*ANKON GHOSH\n\n KUET,ECE 2K16*/\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n#define inf 1e18\n\n#define MAX 4003\n\n#define mod 1000000007\n\n#define sf(a) scanf(\"%lld\",&a)\n\n#define sff(a,b) scanf(\"%lld %lld\",&a,&b)\n\n#define sfff(a,b,c) scanf(\"%lld %lld %lld\",&a,&b,&c)\n\n#define Case(i) cout<<\"Case #\"<<i<<\": \"\n\n#define pf(a) printf(\"%lld\\n\",a)\n\n#define pfsn printf(\"NO\\n\")\n\n#define pfs printf(\"YES\\n\")\n\n#define pff(a,b) printf(\"%lld %lld\\n\",a,b)\n\n#define pfff(a,b,c) printf(\"%lld %lld %lld\\n\",a,b,c)\n\n#define pffff(a,b,c,d) printf(\"%lld %lld %lld %lld\\n\",a,b,c,d)\n\n#define FOR(i,n) for(ll i=0;i<n;i++)\n\n#define FOR1(i,n) for(ll i=1;i<=n;i++)\n\n#define LOOP(x,y) for(ll r=x;r<=y;r++)\n\n#define RFOR(i,n) for(ll i=n-1;i>=0;i--)\n\n#define RFOR1(i,n) for(ll i=n;i>0;i--)\n\n#define RLOOP(x,y) for(ll i=y;i>=x;i--)\n\n#define m_p(a,b) make_pair(a,b)\n\n#define p_b(a) push_back(a)\n\n#define ff first\n\n#define ss second\n\n#define fast ios_base::sync_with_stdio(false); cin.tie(NULL)\n\nmap<ll,ll>mp1,mp;\n\nvector<pair<ll,pair<ll,ll> > >vpp,vpp1;\n\nvector<pair<ll,ll> >vp,fin;\n\nvector<ll>v1,v2,dummy;\n\nmap<pair<ll,ll>,bool>mbb;\n\nmap<ll,bool>mb;\n\nll n,k,a,b,c,d,ta,sum=0,cnt=0,m,l,req,sz,maxi;\n\nbool sortbysec(const pair<pair<ll,ll>,ll> &a,const pair<pair<ll,ll>,ll> &b)\n\n{\n\n return (a.second < b.second);\n\n}\n\nvector<ll>power;\n\nint main()\n\n{\n\n cin>>n;\n\n cout<<powl(n,3LL);\n\n return 0;\n\n}\n\n/*\n\n5\n\n4\n\n3\n\n2\n\n3\n\n4\n\n4\n\n3\n\n3\n\n4\n\n2\n\n3\n\n*/\n```", "split": "validation", "task_id": "pie_cpp_validation_002584"}921{"label": "pie_cpp_validation_002585", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002585.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002585", "task_path": "tasks/validation/pie_cpp_validation_002585.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\nint n;\n\n\n\ncin>>n;\n\n\n\nlong long int a = pow(n,3);\n\ncout<<a<<endl;\n\nreturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002585"}922{"label": "pie_cpp_validation_002586", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002586.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002586", "task_path": "tasks/validation/pie_cpp_validation_002586.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n\tint N;\n\n\tscanf (\"%d\", &N);\n\n\tprintf (\"%d\", N*N*N);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002586"}923{"label": "pie_cpp_validation_002587", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002587.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002587", "task_path": "tasks/validation/pie_cpp_validation_002587.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\nint main(){\n\n int limit;\n\n scanf(\"%d\", &limit);\n\n int result = limit * limit * limit;\n\n printf(\"%d\\n\", result);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002587"}924{"label": "pie_cpp_validation_002588", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002588.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002588", "task_path": "tasks/validation/pie_cpp_validation_002588.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n \n\nint main ()\n\n{\n\n int n;\n\n scanf (\"%d\", &n);\n\n printf (\"%d\\n\", n*n*n);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002588"}925{"label": "pie_cpp_validation_002589", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002589.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002589", "task_path": "tasks/validation/pie_cpp_validation_002589.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\nint main (){\n\n\tint character;\n\n\tint n;\n\n\t\n\n\tscanf(\"%d\", &character);\n\n\tprintf(\"%d\\n\", n = character*character*character);\n\n\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002589"}926{"label": "pie_cpp_validation_002590", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002590.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002590", "task_path": "tasks/validation/pie_cpp_validation_002590.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main() {\n\n\t\n\n\tint number;\n\n\t\n\n\tscanf(\"%d\", &number);\n\n\tprintf(\"%d\\n\", number*number*number);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002590"}927{"label": "pie_cpp_validation_002591", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002591.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002591", "task_path": "tasks/validation/pie_cpp_validation_002591.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main()\n\n{\n\n int var;\n\n scanf(\"%d\",&var);\n\n printf(\"%d\",var*var*var);\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002591"}928{"label": "pie_cpp_validation_002592", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002592.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002592", "task_path": "tasks/validation/pie_cpp_validation_002592.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n)for(long long i=0;i<(n);i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst int MOD=1000000007;\n\nconst int INF=0x3f3f3f3f;\n\nconst ll INFL=0x3f3f3f3f3f3f3f3f;\n\n \n\nint main(){\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n \n\n int n; cin>>n;\n\n \n\n cout<<pow(n,3)<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002592"}929{"label": "pie_cpp_validation_002593", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002593.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002593", "task_path": "tasks/validation/pie_cpp_validation_002593.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define what_is(x) cerr << #x << \" is \" << x << endl;\n\n#define IOS ios::sync_with_stdio(false); cin.tie(0);\n\ntypedef long long ll;\n\nconst int N = 1e5+5;\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9+7;\n\n\n\nint main()\n\n{\n\n\tIOS\n\n\t//freopen(\"input.txt\", \"r\", stdin);\n\n\tint n;\n\n\tcin >> n;\n\n\tcout << pow(n,3) << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002593"}930{"label": "pie_cpp_validation_002594", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002594.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002594", "task_path": "tasks/validation/pie_cpp_validation_002594.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int n;\n\n cin >> n;\n\n cout << pow(n, 3) << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002594"}931{"label": "pie_cpp_validation_002595", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002595.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002595", "task_path": "tasks/validation/pie_cpp_validation_002595.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nint main(){\n\n int N;\n\n std::cin >> N;\n\n std::cout << std::pow(N, 3) << std::endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002595"}932{"label": "pie_cpp_validation_002596", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002596.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002596", "task_path": "tasks/validation/pie_cpp_validation_002596.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<functional>\n\n#include<cmath>\n\n#include<string>\n\n#include<vector>\n\n#include<stack>\n\n#include<queue>\n\n#include<map>\n\n#include<set>\n\n#include<deque>\n\nusing namespace std;\n\n#define ll long long\n\nconst int mod = 1000000007;\n\nconst int MOD = 998244353;\n\nconst ll INF = 1000000000000000000;\n\n\n\n\n\nint main()\n\n{\n\n\tint N;\n\n\tcin >> N;\n\n\tcout << N * N * N << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002596"}933{"label": "pie_cpp_validation_002597", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002597.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002597", "task_path": "tasks/validation/pie_cpp_validation_002597.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<math.h>\n\nusing namespace std;\n\nint main(void){\n\n int n;\n\n cin >> n;\n\n int ans = pow(n, 3);\n\n cout << ans <<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002597"}934{"label": "pie_cpp_validation_002598", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002598.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002598", "task_path": "tasks/validation/pie_cpp_validation_002598.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\n\n\n\n\nint main()\n\n{\n\n int N, res;\n\n\n\n cin >> N;\n\n res = 0;\n\n for (int i = 0; i < N; i++)\n\n {\n\n for (int j = 0; j < N; j++)\n\n {\n\n for (int k = 0; k < N; k++)\n\n res++;\n\n }\n\n }\n\n cout << res << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002598"}935{"label": "pie_cpp_validation_002599", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002599.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002599", "task_path": "tasks/validation/pie_cpp_validation_002599.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define SORT(c) sort((c).begin(),(c).end())\n\n#define REVERSE(c) reverse((c).begin(),(c).end())\n\n#define ALL(x) (x).begin(),(x).end()\n\nconst long long MOD = 1000000007;\n\nconst long long INF = 1LL << 60;\n\n\n\nint main(){\n\n\tint N;\n\n\tcin >> N;\n\n\tcout << pow(N, 3) << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002599"}936{"label": "pie_cpp_validation_002600", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002600.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002600", "task_path": "tasks/validation/pie_cpp_validation_002600.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n#include<algorithm>\n\nusing namespace std;\n\nvoid f(int);\n\nint n,cnt;\n\nint main()\n\n{\n\n\tscanf(\"%d\",&n);\n\n\tf(0);\n\n\tprintf(\"%d\\n\",cnt);\n\n\treturn 0;\n\n}\n\n\n\nvoid f(int x)\n\n{\n\n\tint i;\n\n\tif(x==3) cnt++;\n\n\telse {\n\n\t\tfor(i=0;i<n;i++){\n\n\t\t\tf(x+1);\n\n\t\t}\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002600"}937{"label": "pie_cpp_validation_002601", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002601.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002601", "task_path": "tasks/validation/pie_cpp_validation_002601.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <cstdio>\n\n#include <queue>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <string>\n\n#include <queue>\n\n#include <cmath>\n\n#include <iomanip>\n\n#include <map>\n\n#include <set>\n\n#include <deque>\n\n#include <stack>\n\n#include <random>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#define ll long long\n\n#define fr(i,k,N) for(ll i=k; i<N;i++)\n\n#define rep(i,N) for(ll i=0; i<N;i++)\n\n#define ALL(v) v.begin(),v.end()\n\n#define mp make_pair\n\nusing namespace std;\n\ntemplate <class X> void pr(X test){cout<<test<<endl;}\n\ntemplate <class X> void prr(X test){for(auto it:test){cout<<it<<endl;}}\n\ntemplate <class X> void prrr(X test){int f=0;for(auto it:test){cout<<(f++!=0?\" \":\"\")<<it;}cout<<endl;}\n\ntemplate<typename X>\n\nistream&operator>>(istream&i,vector<X>&v){for(X&x:v)i>>x;return i;}\n\n\n\nclass UF { // union find from https://github.com/kartikkukreja/blog-codes (MIT)\n\n // [usage]\n\n // auto uf = new UF(n);\n\n // uf->merge(l, r); // 0 <= l, r <= n-1\n\n // ...\n\npublic:\n\n int *id; // inner id\n\n int cnt; // number of all vartices\n\n int *sz; // sz[i] means size of i's set\n\n UF(int N) {\n\n cnt = N;\n\n id = new int[N];\n\n sz = new int[N];\n\n for(int i=0; i<N; i++) {\n\n id[i] = i;\n\n sz[i] = 1;\n\n }\n\n }\n\n ~UF() {\n\n delete [] id;\n\n delete [] sz;\n\n }\n\n int find(int p) {\n\n int root = p;\n\n while (root != id[root]) root = id[root];\n\n while (p != root) {\n\n int newp = id[p];\n\n id[p] = root;\n\n p = newp;\n\n }\n\n return root;\n\n }\n\n void merge(int x, int y) {\n\n int i = find(x);\n\n int j = find(y);\n\n if (i == j) return;\n\n \n\n if (sz[i] < sz[j]) {\n\n id[i] = j;\n\n sz[j] += sz[i];\n\n } else {\n\n id[j] = i;\n\n sz[i] += sz[j];\n\n }\n\n cnt--;\n\n }\n\n bool connected(int x, int y) {\n\n return find(x) == find(y);\n\n }\n\n int count() {\n\n return cnt;\n\n }\n\n};\n\n\n\n// return sorted \u7d04\u6570list 1 <= x <= n\n\nvector<ll> divv(ll n) {\n\n vector<ll> v;\n\n for(ll i = 1; i*i <= n; i++) {\n\n if(n%i == 0) {\n\n v.push_back(i);\n\n if(i*i != n) v.push_back(n/i);\n\n }\n\n }\n\n sort(ALL(v));\n\n return v;\n\n}\n\n\n\nint main() {\n\n ll n;\n\n cin>>n;\n\n pr(pow(n, 3));\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002601"}938{"label": "pie_cpp_validation_002602", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002602.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002602", "task_path": "tasks/validation/pie_cpp_validation_002602.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define int long long\n\n\n\nusing namespace std;\n\n\n\nsigned main()\n\n{\n\n ios_base::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n int n;\n\n cin >> n;\n\n cout << n * n * n << '\\n';\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002602"}939{"label": "pie_cpp_validation_002603", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002603.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002603", "task_path": "tasks/validation/pie_cpp_validation_002603.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint n;\n\n\tcin >> n;\n\n\tcout << pow(n, 3);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002603"}940{"label": "pie_cpp_validation_002604", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002604.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002604", "task_path": "tasks/validation/pie_cpp_validation_002604.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <math.h>\n\nusing namespace std;\n\n\n\nint n;\n\nint main () {\n\ncin>>n;\n\ncout<<pow(n,3)<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002604"}941{"label": "pie_cpp_validation_002605", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002605.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002605", "task_path": "tasks/validation/pie_cpp_validation_002605.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include<cmath>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int n;\n\n cin>>n;\n\n cout<<pow(n,3);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002605"}942{"label": "pie_cpp_validation_002606", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002606.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002606", "task_path": "tasks/validation/pie_cpp_validation_002606.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int n;\n\n cin >> n;\n\n int x=pow(n,3);\n\n cout << x;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002606"}943{"label": "pie_cpp_validation_002607", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002607.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002607", "task_path": "tasks/validation/pie_cpp_validation_002607.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std; \n\nint main(){\n\nint N;\n\ncin >> N; \n\ncout<<N*N*N;\n\nreturn 0; }\n```", "split": "validation", "task_id": "pie_cpp_validation_002607"}944{"label": "pie_cpp_validation_002608", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002608.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002608", "task_path": "tasks/validation/pie_cpp_validation_002608.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n//#include <stdlib.h>\n\n//#include <string.h>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int n;\n\n cin>>n;\n\n cout<<n*n*n;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002608"}945{"label": "pie_cpp_validation_002609", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002609.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002609", "task_path": "tasks/validation/pie_cpp_validation_002609.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n int N;\n\n scanf(\"%d\", &N);\n\n \n\n printf(\"%d\\n\", N*N*N);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002609"}946{"label": "pie_cpp_validation_002610", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002610.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002610", "task_path": "tasks/validation/pie_cpp_validation_002610.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main() {\n\n\tint num;\n\n\tscanf(\"%d\", &num);\n\n\t\n\n\tint result = num*num*num;\n\n\tprintf(\"%d\", result);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002610"}947{"label": "pie_cpp_validation_002611", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002611.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002611", "task_path": "tasks/validation/pie_cpp_validation_002611.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\n\tint main() {\n\n\t\tint a;\n\n\t\t\n\n\t\tscanf(\"%i\", &a, 1<a<9);\n\n\t\tprintf(\"%i\\n\", a*a*a);\n\n\t\t\n\n\t\treturn 0;\n\n\t}\n```", "split": "validation", "task_id": "pie_cpp_validation_002611"}948{"label": "pie_cpp_validation_002612", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002612.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002612", "task_path": "tasks/validation/pie_cpp_validation_002612.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main (){\n\n int N;\n\n int answer;\n\n \n\n scanf(\"%d\", &N);\n\n answer = N*N*N;\n\n printf(\"%d\\n\", answer);\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002612"}949{"label": "pie_cpp_validation_002613", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002613.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002613", "task_path": "tasks/validation/pie_cpp_validation_002613.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main()\n\n{\tint N;\n\n\t\tscanf(\"%d\", &N);\n\n\tint P;\n\n\t\tP = N*N*N;\n\n\t\t\tprintf(\"%d\", P);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002613"}950{"label": "pie_cpp_validation_002614", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002614.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002614", "task_path": "tasks/validation/pie_cpp_validation_002614.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n\t\n\n\tint a,b;\n\n\t\n\n\tscanf (\"%d\", &a);\n\n\t\n\n\tb = a*a*a;\n\n\tprintf (\"%d\", b);\n\n\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002614"}951{"label": "pie_cpp_validation_002615", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002615.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002615", "task_path": "tasks/validation/pie_cpp_validation_002615.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <string>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <cmath>\n\n#include <vector>\n\n#include <queue>\n\n#include <set>\n\n#include <map>\n\n#define rep(i, n) for(int i = 0; i < n; i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst ll mod = 1000000007;\n\n\n\nint main() {\n\n int n;\n\n cin >> n;\n\n cout << n*n*n;\n\n\n\n cout << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002615"}952{"label": "pie_cpp_validation_002616", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002616.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002616", "task_path": "tasks/validation/pie_cpp_validation_002616.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include<math.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n\tint n,x;\n\n cin>>n;\n\n cout<<pow(n,3)<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002616"}953{"label": "pie_cpp_validation_002617", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002617.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002617", "task_path": "tasks/validation/pie_cpp_validation_002617.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for(int i = 0; i < (int)n; i++)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main() {\n\n int n; cin >> n;\n\n int ans = pow(n, 3);\n\n cout << ans;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002617"}954{"label": "pie_cpp_validation_002618", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002618.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002618", "task_path": "tasks/validation/pie_cpp_validation_002618.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <math.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n int x,ans;\n\n cin>>x;\n\n ans=pow(x,3);\n\n cout<<ans<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002618"}955{"label": "pie_cpp_validation_002619", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002619.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002619", "task_path": "tasks/validation/pie_cpp_validation_002619.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\nint main() {\n\n\tint n;\n\n\tcin >> n;\n\n\tcout << n * n * n;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002619"}956{"label": "pie_cpp_validation_002620", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002620.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002620", "task_path": "tasks/validation/pie_cpp_validation_002620.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n\tint n;cin>>n;cout<<pow(n,3)<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002620"}957{"label": "pie_cpp_validation_002621", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002621.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002621", "task_path": "tasks/validation/pie_cpp_validation_002621.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\n\n\nusing namespace std;\n\n\n\nint main(void) {\n\n\n\n\tint input;\n\n\n\n\tcin >> input;\n\n\n\n\tcout<<pow(input, 3)<<endl;\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002621"}958{"label": "pie_cpp_validation_002622", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002622.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002622", "task_path": "tasks/validation/pie_cpp_validation_002622.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cmath>\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n int N;\n\n cin>>N;\n\n if(N==1)\n\n cout<<N<<endl;\n\n else\n\n cout<<pow(N , 3)<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002622"}959{"label": "pie_cpp_validation_002623", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002623.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002623", "task_path": "tasks/validation/pie_cpp_validation_002623.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main(){\n\n\t\n\n\tint x;\n\n\tscanf(\"%d\",&x);\n\n\tprintf(\"%d\\n\",x*x*x);\n\n\t\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002623"}960{"label": "pie_cpp_validation_002624", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002624.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002624", "task_path": "tasks/validation/pie_cpp_validation_002624.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n\n\nint main (){\n\n\n\nint x ;\n\nint d ;\n\nscanf (\"%d\" , &x );\n\nd = x*x*x;\n\nprintf(\"%d\" ,d );\n\n\t\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002624"}961{"label": "pie_cpp_validation_002625", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002625.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002625", "task_path": "tasks/validation/pie_cpp_validation_002625.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\n\n\nint main()\n\n{\n\n\n\n int n;\n\n \n\n 1<=n<=9;\n\n\n\n scanf(\"%d\",&n);\n\n\n\n printf(\"%d\\n\", n*n*n);\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002625"}962{"label": "pie_cpp_validation_002626", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002626.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002626", "task_path": "tasks/validation/pie_cpp_validation_002626.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include<stdio.h>\n\nint main() {\n\n\t\n\n\tint nomor1;\n\n\t\n\n\tscanf(\"%d\", &nomor1);\n\n\tprintf(\"%d\", nomor1*nomor1*nomor1);\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002626"}963{"label": "pie_cpp_validation_002627", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002627.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002627", "task_path": "tasks/validation/pie_cpp_validation_002627.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tint t;\n\n\tcin>>t;\n\n\tcout<<pow(t,3)<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002627"}964{"label": "pie_cpp_validation_002628", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002628.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002628", "task_path": "tasks/validation/pie_cpp_validation_002628.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for (int i = 0; i < (n); i++)\n\n#define sz(x) int(x.size())\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst int inf = 1001001001;\n\n\n\nint main(){\n\n int n;\n\n cin >> n;\n\n cout << n*n*n << endl;\n\n\n\n \n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002628"}965{"label": "pie_cpp_validation_002629", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p02915", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002629.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002629", "task_path": "tasks/validation/pie_cpp_validation_002629.json", "visible_test_count": 1}, "problem_id": "p02915", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n2\n\nExpected output:\n8\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define ll long long\n\n\n\n#define all(a) (a).begin(),(a).end()\n\n#define rep(i,n) for(int i=0;i<(int)(n);i++)\n\n#define Rep(i,n,m) for(int i=(int)(n);i<(int)(m);i++)\n\n#define RepS(i,n,m) for(int i=(int)(n);i<=(int)(m);i++)\n\n#define output_s(a) printf(\"%s\\n\",(a).c_str())\n\n\n\n//library----------------------------------------------\n\n\n\n\n\nint main(){\n\n int n;cin>>n;\n\n int ans = pow(n,3);\n\n printf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002629"}966{"label": "pie_cpp_validation_002657", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00966", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002657.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002657", "task_path": "tasks/validation/pie_cpp_validation_002657.json", "visible_test_count": 1}, "problem_id": "p00966", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n9 4 5 4\n3 C\n4 I\n7 C\n9 P\n2 1\n4 0\n6 2\n7 0\n8 4\n8\n1\n9\n6\n\nExpected output:\nICPC\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nmap<int, char> ans;\n\n\n\nconst int N = 1100;\n\n\n\nint n, a, b, q;\n\n\n\nint x[N], y[N], h[N];\n\nchar c[N][10];\n\n\n\nint get(int pos) {\n\n\twhile (1) {\n\n\t\tint now = upper_bound(y, y + b + 1, pos) - y - 1;\n\n\t\tif (now == 0 || h[now] == 0) return pos;\n\n\t\tint per = y[now] - h[now];\n\n\t\tpos -= ((pos - y[now]) / per + 1) * per;\n\n\t}\n\n}\n\n\n\nint main() {\n\n\tios_base::sync_with_stdio(0);\n\n\tcin >> n >> a >> b >> q;\n\n\tfor (int i = 1; i <= a; i++) cin >> x[i] >> c[i];\n\n\ty[0] = 1, y[b + 1] = n + 1;\n\n\tfor (int i = 1; i <= b; i++) cin >> y[i] >> h[i];\n\n\tfor (int i = 1; i <= a; i++) {\n\n\t\tans[get(x[i])] = c[i][0];\n\n\t}\n\n\tfor (int i = 1; i <= q; i++) {\n\n\t\tint z; cin >> z; \n\n//\t\tcerr << z << endl;\n\n\t\tz = get(z);\n\n//\t\tcerr << z << endl;\n\n\t\tif (!ans.count(z)) cout << \"?\";\n\n\t\telse cout << ans[z];\n\n\t}\n\n\tcout << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002657"}967{"label": "pie_cpp_validation_002658", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p00966", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002658.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002658", "task_path": "tasks/validation/pie_cpp_validation_002658.json", "visible_test_count": 1}, "problem_id": "p00966", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n9 4 5 4\n3 C\n4 I\n7 C\n9 P\n2 1\n4 0\n6 2\n7 0\n8 4\n8\n1\n9\n6\n\nExpected output:\nICPC\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <cstring>\n\n\n\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <queue>\n\n#include <stack>\n\n#include <map>\n\n#include <set>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n\n\n#include <complex>\n\n\n\n#include <functional>\n\n#include <cassert>\n\n\n\ntypedef long long ll;\n\nusing namespace std;\n\n\n\n#define debug(x) cerr << #x << \" = \" << (x) << endl;\n\n\n\n\n\n#define mod 1000000007 //1e9+7(prime number)\n\n#define INF 1000000000 //1e9\n\n#define LLINF 2000000000000000000LL //2e18\n\n#define SIZE 100010\n\n\n\n\n\nint main(){\n\n int n, a, b, q;\n\n int x[SIZE], y[SIZE], h[SIZE];\n\n char c[SIZE];\n\n\n\n pair<int,int> from[SIZE], to[SIZE];\n\n\n\n scanf(\"%d%d%d%d\",&n,&a,&b,&q);\n\n\n\n for(int i=0;i<a;i++){\n\n scanf(\"%d %c\",x+i, c+i);\n\n x[i]--;\n\n }\n\n\n\n int s = 0;\n\n \n\n for(int i=0;i<=b;i++){\n\n if(i < b)\n\n scanf(\"%d%d\",y+i, h+i);\n\n else\n\n y[i] = n+1;\n\n \n\n if(i>0){\n\n if(h[i-1] != 0){\n\n from[s] = {y[i-1]-1, y[i]-2};\n\n to[s] = {h[i-1]-1, h[i-1] + y[i]-y[i-1] - 2};\n\n s++;\n\n }\n\n }\n\n }\n\n\n\n unordered_map<int,char> dic;\n\n queue<pair<int,char> > que;\n\n\n\n for(int i=0;i<a;i++){\n\n que.push({x[i], c[i]});\n\n }\n\n\n\n while(que.size()){\n\n auto p = que.front();\n\n que.pop();\n\n\n\n int pos = p.first;\n\n int ch = p.second;\n\n\n\n if(dic.find(pos) != dic.end()) continue;\n\n dic[pos] = ch;\n\n \n\n for(int i=0;i<s;i++){\n\n if(from[i].first <= pos && pos <= from[i].second){\n\n int newpos = (pos - to[i].first) % (from[i].first - to[i].first) + to[i].first;\n\n que.push({newpos, ch});\n\n }\n\n }\n\n }\n\n\n\n\n\n char ansStr[SIZE] = {};\n\n \n\n for(int i=0;i<q;i++){\n\n int z;\n\n char ans = '?';\n\n scanf(\"%d\",&z);\n\n z--;\n\n\n\n queue<int> que;\n\n unordered_set<int> visited;\n\n\n\n if(dic.find(z) != dic.end())\n\n ans = dic[z];\n\n else\n\n que.push(z);\n\n \n\n while(que.size()){\n\n int pos = que.front(); que.pop();\n\n\n\n if(visited.find(pos) != visited.end()) continue;\n\n visited.insert(pos);\n\n \n\n for(int i=0;i<s;i++){\n\n if(from[i].first <= pos && pos <= from[i].second){\n\n int newpos = (pos - to[i].first) % (from[i].first - to[i].first) + to[i].first;\n\n\n\n if(dic.find(newpos) != dic.end()){\n\n que = queue<int>();\n\n ans = dic[newpos];\n\n break;\n\n }else{\n\n que.push(newpos);\n\n }\n\n }\n\n }\n\n }\n\n\n\n ansStr[i] = ans;\n\n }\n\n\n\n printf(\"%s\\n\",ansStr);\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002658"}968{"label": "pie_cpp_validation_002673", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002673.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002673", "task_path": "tasks/validation/pie_cpp_validation_002673.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <bitset>\n\n#include <cassert>\n\n#include <cctype>\n\n#include <cmath>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <deque>\n\n#include <functional>\n\n#include <iomanip>\n\n#include <iostream>\n\n#include <list>\n\n#include <map>\n\n#include <numeric>\n\n#include <queue>\n\n#include <set>\n\n#include <sstream>\n\n#include <stack>\n\n#include <string>\n\n#include <utility>\n\n#include <vector>\n\n\n\nusing namespace std;\n\ntypedef long long int ll;\n\ntypedef vector<ll> Vl;\n\ntypedef vector<int> Vi;\n\ntypedef pair<int, int> Pi;\n\n\n\n#define INF (1e9 + 7)\n\n#define MAX_L (100000)\n\n\n\nstring WORDS[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nstring S;\n\n\n\nbool match(int n) {\n\n if (n == S.size()) return true;\n\n\n\n for (int i = 0; i < 4; i++) {\n\n string w = WORDS[i];\n\n bool flag = true;\n\n for (int j = 0; j < w.size(); j++) {\n\n if (n + j > S.size() || w[j] != S[n + j]) {\n\n flag = false;\n\n break;\n\n }\n\n }\n\n if (flag) {\n\n if (match(n + w.size())) return true;\n\n }\n\n }\n\n\n\n return false;\n\n}\n\n\n\nvoid solve() {\n\n if (match(0)) {\n\n printf(\"YES\\n\");\n\n } else {\n\n printf(\"NO\\n\");\n\n }\n\n}\n\n\n\nint main() {\n\n cin >> S;\n\n\n\n solve();\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002673"}969{"label": "pie_cpp_validation_002674", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002674.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002674", "task_path": "tasks/validation/pie_cpp_validation_002674.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n\t\n\n\tstring s;\n\n\tcin >> s;\n\n\tdeque<char>c;\n\n\tfor(int i=0;i<s.length();i++)\n\n\t{\n\n\t\tc.push_back(s[i]);\n\n\t}\n\n\tbool flag = true;\n\n\tstring s1 = \"maerd\",s2 = \"remaerd\",s3 = \"esare\",s4 = \"resare\";\n\n\twhile(!c.empty())\n\n\t{\n\n\t\tstring loc;\n\n\t\twhile(!c.empty()&&loc.length()!=5)\n\n\t\t{\n\n\t\t\tloc = loc+c.back();\n\n\t\t\tc.pop_back();\n\n\t\t}\n\n\t\tif(loc==s1||loc==s3)\n\n\t\t{\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\twhile(!c.empty()&&loc.length()!=6)\n\n\t\t\t{\n\n\t\t\t\tloc = loc+c.back();\n\n\t\t\t\tc.pop_back();\n\n\t\t\t}\n\n\t\t\tif(loc==s4)\n\n\t\t\t{\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\telse\n\n\t\t\t{\n\n\t\t\t\twhile(!c.empty()&&loc.length()!=7)\n\n\t\t\t\t{\n\n\t\t\t\t\tloc = loc+c.back();\n\n\t\t\t\t\tc.pop_back();\n\n\t\t\t\t}\n\n\t\t\t\tif(loc==s2)\n\n\t\t\t\t{\n\n\t\t\t\t\tcontinue;\n\n\t\t\t\t}\n\n\t\t\t\telse\n\n\t\t\t\t{\n\n\t\t\t\t\tflag = false;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tif(flag)\n\n\t{\n\n\t\tcout << \"YES\\n\";\n\n\t}\n\n\telse\n\n\t{\n\n\t\tcout << \"NO\\n\";\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002674"}970{"label": "pie_cpp_validation_002675", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 936, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 936, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002675.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002675", "task_path": "tasks/validation/pie_cpp_validation_002675.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n//Be Name Khoda\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef long double ld;\n\nconst int MOD = (int)1e9 + 7;\n\nconst int MAXN = (int)1e6 + 7;\n\nbool dp[MAXN];\n\nbool erase(string s, int i)\n\n{\n\n\tif(i + 5 > s.size())\n\n\t\treturn false;\n\n\tif(s[i] == 'e' and s[i + 1] == 'r' and s[i + 2] == 'a' and s[i + 3] == 's' and s[i + 4] == 'e')\n\n\t\treturn true;\n\n\treturn false;\n\n}\n\nbool eraser(string s, int i)\n\n{\n\n\tif(i + 6 > s.size())\n\n\t\treturn false;\n\n\tif(s[i] == 'e' and s[i + 1] == 'r' and s[i + 2] == 'a' and s[i + 3] == 's' and s[i + 4] == 'e' and s[i + 5] == 'r')\n\n\t\treturn true;\n\n\treturn false;\n\n}\n\nbool dream(string s, int i)\n\n{\n\n\tif(i + 5 > s.size())\n\n\t\treturn false;\n\n\tif(s[i] == 'd' and s[i + 1] == 'r' and s[i + 2] == 'e' and s[i + 3] == 'a' and s[i + 4] == 'm')\n\n\t\treturn true;\n\n\treturn false;\n\n}\n\nbool dreamer(string s, int i)\n\n{\n\n\tif(i + 7 > s.size())\n\n\t\treturn false;\n\n\tif(s[i] == 'd' and s[i + 1] == 'r' and s[i + 2] == 'e' and s[i + 3] == 'a' and s[i + 4] == 'm' and s[i + 5] == 'e' and s[i + 6] == 'r')\n\n\t\treturn true;\n\n\treturn false;\n\n}\n\nint main()\n\n{\n\n\tios::sync_with_stdio(false);\n\n\tcin.tie(0); cout.tie(0);\n\n\tstring s;\n\n\tcin >> s;\n\n\tfor (int i = s.size() - 1; i >= 0; i--)\n\n\t{\n\n\t\tif(erase(s, i) and (i + 5 == s.size() or dp[i + 5]))\n\n\t\t\tdp[i] = 1;\n\n\t\telse\n\n\t\tif(eraser(s, i) and (i + 6 == s.size() or dp[i + 6]))\n\n\t\t\tdp[i] = 1;\n\n\t\telse\n\n\t\tif(dream(s, i) and (i + 5 == s.size() or dp[i + 5]))\n\n\t\t\tdp[i] = 1;\n\n\t\telse\n\n\t\tif(dreamer(s, i) and (i + 7 == s.size() or dp[i + 7]))\n\n\t\t\tdp[i] = 1;\n\n\t}\n\n\tif(dp[0])\n\n\t\tcout << \"YES\";\n\n\telse\n\n\t\tcout << \"NO\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002675"}971{"label": "pie_cpp_validation_002676", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002676.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002676", "task_path": "tasks/validation/pie_cpp_validation_002676.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\nusing namespace std ;\n\nint main(int argc, char** argv) {\n\n\tstring str ;\n\n\tbool op = true ;\n\n\tcin >> str ;\n\n\tstring arr[4] ;\n\n\tarr[0] = \"eraser\" ;\n\n\tarr[1] = \"erase\" ;\n\n\tarr[2] = \"dreamer\" ;\n\n\tarr[3] = \"dream\" ;\n\n\tfor\t( int i = 0 ; i < 4 ; i++ ) {\n\n\t\top = true ;\n\n\t\twhile ( op == true ) {\n\n\t\t\top = false ;\n\n\t\t\tstring::size_type find = str.find(arr[i]) ;\n\n\t\t\tif ( find != string::npos) {\n\n\t\t\t\tstr.erase( find , arr[i].length() ) ;\n\n\t\t\t\top = true ;\n\n \t\t\t}\n\n \t\t}\n\n \t}\n\n \tif ( str.length() == 0 ) {\n\n \t\tcout << \"YES\" ;\n\n\t}\n\n\telse {\n\n\t\tcout << \"NO\" ;\n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002676"}972{"label": "pie_cpp_validation_002677", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002677.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002677", "task_path": "tasks/validation/pie_cpp_validation_002677.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, n) for (int i = 0; i < (int)(n); ++i)\n\n#define rep1(i, n) for (int i = 1; i <= (int)(n); ++i)\n\n#define irep(i, a, n) for (int i = a; i < (int)(n); ++i)\n\n#define rrep(i, n) for (int i = (int)(n)-1; i >= 0; --i)\n\n#define rrep1(i, n) for (int i = (int)(n); i >= 1; --i)\n\n#define allrep(V, v) for (auto&& V : v)\n\n#define all(x) (x).begin(), (x).end()\n\nusing lint = long long;\n\nconst int INF = 1 << 29;\n\nconst double EPS = 1e-9;\n\nusing namespace std;\n\n\n\nint main(void) {\n\n string s;\n\n cin >> s;\n\n vector<pair<string, int>> vec{{\"dream\", 5}, {\"dreamer\", 7}, {\"erase\", 5}, {\"eraser\", 6}};\n\n set<string::iterator> set;\n\n set.insert(s.begin());\n\n string ans = \"NO\";\n\n while (!set.empty()) {\n\n auto pos = *set.begin();\n\n set.erase(pos);\n\n int left = s.end() - pos;\n\n if (!left) {\n\n ans = \"YES\";\n\n break;\n\n }\n\n allrep(V, vec) {\n\n if (left >= V.second && equal(all(V.first), pos)) {\n\n set.insert(pos + V.second);\n\n }\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002677"}973{"label": "pie_cpp_validation_002678", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002678.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002678", "task_path": "tasks/validation/pie_cpp_validation_002678.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define _GLIBCXX_DEBUG\n\n#define rep(i,n) for(int i = 0; i < (n); ++i)\n\n\n\nint main() {\n\n\tstring div[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\tstring s;\n\n\tcin>>s;\n\n\t\n\n\treverse(s.begin(),s.end());\n\n\trep(i,4) reverse(div[i].begin(),div[i].end());\n\n\tbool can=true;\n\n\tfor(int i=0;i<s.size();){\n\n\t\tbool k=false;\n\n\t\tfor(int j=0;j<4;++j){\n\n\t\t\tstring d=div[j];\n\n\t\t\tif(d==s.substr(i,d.size())){\n\n\t\t\t\tk=true;\n\n\t\t\t\ti+=d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(!k){\n\n\t\t\tcan=false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tif(can) cout<<\"YES\"<<endl;\n\n\telse cout<<\"NO\"<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002678"}974{"label": "pie_cpp_validation_002679", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002679.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002679", "task_path": "tasks/validation/pie_cpp_validation_002679.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n vector<string> devide = {\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n \n\n reverse(S.begin(), S.end());\n\n for(int i = 0;i<4;i++){\n\n reverse(devide[i].begin(), devide[i].end());\n\n }\n\n bool can = true;\n\n\n\n for(int i = 0;i<S.size();){\n\n bool can2 = false; // 4 \u500b\u306e\u6587\u5b57\u5217\u305f\u3061\u3069\u308c\u304b\u3067 divide \u3067\u304d\u308b\u304b\n\n for(int j = 0;j<4;j++){\n\n string d = devide[j];\n\n if(S.substr(i,d.size()) == d){\n\n can2 = true;\n\n i = i + d.size();\n\n }\n\n }\n\n if(!can2){// 4\u500b\u306e\u6587\u5b57\u5217\u306e\u3069\u308c\u304b\u3067divide \u3067\u304d\u306a\u304b\u3063\u305f\u3089\n\n can = false;\n\n break;\n\n }\n\n }\n\n \n\n if(can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002679"}975{"label": "pie_cpp_validation_002680", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002680.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002680", "task_path": "tasks/validation/pie_cpp_validation_002680.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n // \u5f8c\u308d\u304b\u3089\u89e3\u304f\u304b\u308f\u308a\u306b\u3059\u3079\u3066\u306e\u6587\u5b57\u5217\u3092\u300c\u5de6\u53f3\u53cd\u8ee2\u300d\u3059\u308b\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end());\n\n\n\n // \u7aef\u304b\u3089\u5207\u3063\u3066\u3044\u304f\n\n bool can = true;\n\n for (int i = 0; i < S.size();) {\n\n bool can2 = false; // 4 \u500b\u306e\u6587\u5b57\u5217\u305f\u3061\u3069\u308c\u304b\u3067 divide \u3067\u304d\u308b\u304b\n\n for (int j = 0; j < 4; ++j) {\n\n string d = divide[j];\n\n if (S.substr(i, d.size()) == d) { // d \u3067 divide \u3067\u304d\u308b\u304b\n\n can2 = true;\n\n i += d.size(); // divide \u3067\u304d\u305f\u3089 i \u3092\u9032\u3081\u308b\n\n break;\n\n }\n\n }\n\n if (!can2) { // divide \u3067\u304d\u306a\u304b\u3063\u305f\u3089\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002680"}976{"label": "pie_cpp_validation_002681", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002681.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002681", "task_path": "tasks/validation/pie_cpp_validation_002681.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define lli long long int\n\n#define REP(i,s,n) for(int i=s;i<n;i++)\n\n#define MOD 1000000007\n\n#define NUM 2520\n\n#define INF (1LL<<50)\n\n#define DEBUG 0\n\n#define mp(a,b) make_pair(a,b)\n\n#define SORT(V) sort(V.begin(),V.end())\n\n#define PI (3.141592653589794)\n\n\n\nconst string YES = \"YES\";\n\nconst string NO = \"NO\";\n\n\n\nvoid func(std::string S){\n\n vector<string> ans;\n\n ans.push_back(\"dream\");\n\n ans.push_back(\"dreamer\");\n\n ans.push_back(\"erase\");\n\n ans.push_back(\"eraser\");\n\n REP(i,0,4)reverse(ans[i].begin(),ans[i].end());\n\n\n\n reverse(S.begin(),S.end());\n\n\n\n lli cnt=0;\n\n lli now=0;\n\n while(now<S.size()){\n\n bool ok = false;\n\n REP(i,0,4){\n\n if(S.substr(now,ans[i].size())==ans[i]){\n\n now += ans[i].size();\n\n ok=true;\n\n }\n\n }\n\n if(!ok)break;\n\n }\n\n if(now!=S.size()){\n\n cout<<NO<<endl;\n\n }\n\n else{\n\n cout<<YES<<endl;\n\n }\n\n}\n\n\n\nint main(){\n\n // cout << fixed << setprecision(5);\n\n\n\n std::string S;\n\n std::cin >> S;\n\n func(S);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002681"}977{"label": "pie_cpp_validation_002682", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002682.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002682", "task_path": "tasks/validation/pie_cpp_validation_002682.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n\n\nint main(void){\n\n string S;\n\n cin >> S;\n\n int n=S.size(); // \u4ee5\u964dn\u306fS\u306e\u30b5\u30a4\u30ba\u3092\u8868\u3057\u7d9a\u3051\u308b\n\n reverse(S.begin(), S.end());\n\n\n\n string a=\"maerd\", b=\"remaerd\", c=\"esare\", d=\"resare\";\n\n\n\n while(true){\n\n if(S==\"\"){\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n else if(S.substr(0,5)==a){\n\n S=S.substr(5,n-5);\n\n n-=5;\n\n }\n\n else if(S.substr(0,7)==b){\n\n S=S.substr(7,n-7);\n\n n-=7;\n\n }\n\n else if(S.substr(0,5)==c){\n\n S=S.substr(5,n-5);\n\n n-=5;\n\n }\n\n else if(S.substr(0,6)==d){\n\n S=S.substr(6,n-6);\n\n n-=6;\n\n }\n\n else{\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002682"}978{"label": "pie_cpp_validation_002683", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002683.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002683", "task_path": "tasks/validation/pie_cpp_validation_002683.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main()\n\n{\n\n string S;\n\n cin >> S;\n\n\n\n // \u5f8c\u308d\u304b\u3089\u89e3\u304f\u304b\u308f\u308a\u306b\u3059\u3079\u3066\u306e\u6587\u5b57\u5217\u3092\u300c\u5de6\u53f3\u53cd\u8ee2\u300d\u3059\u308b\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < 4; ++i)\n\n reverse(divide[i].begin(), divide[i].end());\n\n\n\n // \u7aef\u304b\u3089\u5207\u3063\u3066\u3044\u304f\n\n bool can = true;\n\n for (int i = 0; i < S.size();)\n\n {\n\n bool can2 = false; // 4 \u500b\u306e\u6587\u5b57\u5217\u305f\u3061\u3069\u308c\u304b\u3067 divide \u3067\u304d\u308b\u304b\n\n for (int j = 0; j < 4; ++j)\n\n {\n\n string d = divide[j];\n\n if (S.substr(i, d.size()) == d)\n\n { // d \u3067 divide \u3067\u304d\u308b\u304b\n\n can2 = true;\n\n i += d.size(); // divide \u3067\u304d\u305f\u3089 i \u3092\u9032\u3081\u308b\n\n }\n\n }\n\n if (!can2)\n\n { // divide \u3067\u304d\u306a\u304b\u3063\u305f\u3089\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can)\n\n cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002683"}979{"label": "pie_cpp_validation_002684", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002684.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002684", "task_path": "tasks/validation/pie_cpp_validation_002684.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#pragma GCC optimize(\"Ofast\")\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int, int>;\n\nusing pll = pair<long long, long long>;\n\nconstexpr char ln = '\\n';\n\nconstexpr long long MOD = 1000000007LL;\n\nconstexpr long long INF = 1000000000LL;\n\n#define all(x) (x).begin(),(x).end()\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }\n\n\n\nbool flag;\n\nstring S;\n\nint len;\n\nvector<bool> sign;\n\n\n\nvoid func(int n){\n\n if(n == len){\n\n flag = true;\n\n return;\n\n }\n\n\n\n rep(i, 4){\n\n string a;\n\n if(i == 0) a = \"dream\"; if(i == 1) a = \"dreamer\";\n\n if(i == 2) a = \"erase\"; if(i == 3) a = \"eraser\";\n\n int al = a.size();\n\n //cout <<\"len:\" << len << \" n+al:\" << n+al << ln;\n\n if(n + al > len) continue;\n\n bool same = false;\n\n string s;\n\n rep(j, al){\n\n s += S[n + j];\n\n }\n\n if(s == a) same = true;\n\n //cout << \"s:\" << s << \" a:\" << a << ln;\n\n if(same){\n\n func(n + al);\n\n }\n\n }\n\n}\n\n\n\nint main() {\n\n cin >> S;\n\n len = S.size();\n\n flag = false;\n\n sign.resize(len + 10);\n\n\n\n func(0);\n\n\n\n if(flag) cout << \"YES\" << ln;\n\n else cout << \"NO\" << ln;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002684"}980{"label": "pie_cpp_validation_002685", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002685.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002685", "task_path": "tasks/validation/pie_cpp_validation_002685.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#pragma GCC optimize(\"Ofast\")\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int, int>;\n\nusing pll = pair<long long, long long>;\n\nconstexpr char ln = '\\n';\n\nconstexpr long long INF = 1000000009LL;\n\n#define all(x) (x).begin(),(x).end()\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }\n\n\n\n\n\nint main() {\n\n string s; cin >> s;\n\n reverse(all(s));\n\n\n\n bool fg = true; int p = 0;\n\n while(p<s.size()){\n\n string t = s.substr(p, 5);\n\n string u = s.substr(p, 6);\n\n string v = s.substr(p, 7);\n\n if(t == \"maerd\") p += 5;\n\n else if(t == \"esare\") p += 5;\n\n else if (t == \"remae\" && v == \"remaerd\") p += 7;\n\n else if(t == \"resar\" && u == \"resare\") p += 6;\n\n else {\n\n fg = false;\n\n break;\n\n }\n\n }\n\n\n\n if(fg) cout << \"YES\" << ln;\n\n else cout << \"NO\" << ln;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002685"}981{"label": "pie_cpp_validation_002686", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002686.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002686", "task_path": "tasks/validation/pie_cpp_validation_002686.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<vector>\n\nusing namespace std;\n\ntypedef long long ll;\n\nll inf = 1000000000;\n\ntypedef pair<ll, ll> P;\n\nint main() {\n\n\tstring s;\n\n\tcin >> s;\n\n\tvector<string>c = { \"dream\",\"dreamer\",\"erase\",\"eraser\" };\n\n\treverse(s.begin(), s.end());\n\n\tfor (int i = 0; i < 4; i++) {\n\n\t\treverse(c[i].begin(), c[i].end());\n\n\t}\n\n\t\n\n\tfor (int i = 0; i < s.size();) {\n\n\t\tbool can = false;\n\n\t\tfor (int j = 0; j < 4; j++) {\n\n\t\t\tstring d = c[j];\n\n\t\t\tif (s.substr(i, d.size()) == d) {\n\n\t\t\t\tcan = true;\n\n\t\t\t\ti += d.size();\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!can) {\n\n\t\t\tcout << \"NO\" << endl;\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout << \"YES\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002686"}982{"label": "pie_cpp_validation_002687", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002687.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002687", "task_path": "tasks/validation/pie_cpp_validation_002687.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\ntypedef long long int ll;\n\nint main(){\n\n string s;\n\n cin >>s;\n\n string t;\n\n string p[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n reverse(s.begin(),s.end());\n\n for(int i=0;i<4;i++) reverse(p[i].begin(),p[i].end());\n\n for(int i=0;i<s.size();){\n\n bool c1=false;\n\n for(int j=0;j<4;j++){\n\n string r=p[j];\n\n if(s.substr(i,r.size())==r){\n\n c1=true;\n\n i+=r.size();\n\n }\n\n }\n\n if(c1==false) {\n\n cout <<\"NO\"<<endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\"<<endl;\n\n }\n```", "split": "validation", "task_id": "pie_cpp_validation_002687"}983{"label": "pie_cpp_validation_002688", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 52, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 52, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002688.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002688", "task_path": "tasks/validation/pie_cpp_validation_002688.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define REP(i,n) for(int(i)=0;i<(n);i++)\n\n\n\nint main(){\n\n string s,t[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};cin>>s;\n\n bool f;\n\n \n\n while(s.size()){\n\n f=0;\n\n REP(i,4) if(!(s.find(t[i]))){\n\n string ss=s.substr(t[i].size());\n\n if(!ss.size()) f=1;\n\n else REP(k,4) if(!(ss.find(t[k]))) f=1;\n\n if(f){\n\n s=ss;\n\n break;\n\n }\n\n }\n\n if(!f) break;\n\n }\n\n \n\n cout<<(f?\"YES\":\"NO\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002688"}984{"label": "pie_cpp_validation_002689", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002689.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002689", "task_path": "tasks/validation/pie_cpp_validation_002689.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<string>\n\nusing namespace std;\n\nstring S;\n\nint i;\n\nint check(string str){\n\n int t = i;\n\n for(int j = str.size()-1;j >= 0;--j){\n\n if(t < 0) return 0;\n\n if(str[j] != S[t--]) return 0;\n\n }\n\n return 1;\n\n}\n\nint main(){\n\n string S1 = \"dream\";\n\n string S2 = \"dreamer\";\n\n string S3 = \"erase\";\n\n string S4 = \"eraser\";\n\n while(cin >> S){\n\n // 01234 56789 10\n\n // dream erase r\n\n\n\n // dreaeeraser\n\n for(i = S.size()-1;i >= 0;){\n\n if(check(S1)){\n\n i -= S1.size();\n\n continue;\n\n }\n\n if(check(S2)){\n\n i -= S2.size();\n\n continue;\n\n }\n\n if(check(S3)){\n\n i -= S3.size();\n\n continue;\n\n }\n\n if(check(S4)){\n\n i -= S4.size();\n\n continue;\n\n }\n\n break;\n\n }\n\n if(i != -1) cout << \"NO\" << endl;\n\n else cout << \"YES\" << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002689"}985{"label": "pie_cpp_validation_002690", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002690.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002690", "task_path": "tasks/validation/pie_cpp_validation_002690.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n \n\nconst int DIM = 1e5 + 5;\n\n \n\nint dp[DIM];\n\n \n\nint main( void ) {\n\n \n\n string str;\n\n cin >> str;\n\n \n\n dp[0] = 1;\n\n for( int i = 0; i < str.length(); i ++ ) {\n\n if( dp[i] == 0 )\n\n continue;\n\n \n\n if( str.length() - i >= 5 && str.substr( i, 5 ) == \"dream\" )\n\n dp[i + 5] = 1;\n\n if( str.length() - i >= 5 && str.substr( i, 5 ) == \"erase\" )\n\n dp[i + 5] = 1;\n\n \n\n if( str.length() - i >= 7 && str.substr( i, 7 ) == \"dreamer\" )\n\n dp[i + 7] = 1;\n\n if( str.length() - i >= 6 && str.substr( i, 6 ) == \"eraser\" )\n\n dp[i + 6] = 1;\n\n }\n\n \n\n if( dp[str.length()] == 1 )\n\n cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002690"}986{"label": "pie_cpp_validation_002691", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002691.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002691", "task_path": "tasks/validation/pie_cpp_validation_002691.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <stdlib.h>\n\n#include <string.h>\n\n#include <iostream>\n\nusing namespace std;\n\n\n\nchar s1[4][11] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nint l1[4] = {5, 7, 5, 6};\n\n\n\nchar s[101010];\n\nbool f[101010];\n\n\n\nint main()\n\n{\n\n\tscanf(\"%s\", s);\n\n\tint l = strlen(s);\n\n\tf[0] = 1;\n\n\tfor(int i = 0; i < l; ++i)\n\n\t{\n\n\t\tif(f[i])\n\n\t\t{\n\n//\t\t\tcout<<i<<endl;\n\n\t\t\tfor(int j = 0; j < 4; ++j)\n\n\t\t\t{\n\n\t\t\t\tbool flag = 0;\n\n\t\t\t\tfor(int k = 0; k < l1[j]; ++k)\n\n\t\t\t\t\tif(s1[j][k] != s[i + k])\n\n\t\t\t\t\t{\n\n\t\t\t\t\t\tflag = 1;\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\tif(!flag)\n\n\t\t\t\t\tf[i + l1[j]] = 1;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tif(f[l])\n\n\t\tputs(\"YES\");\n\n\telse\n\n\t\tputs(\"NO\");\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002691"}987{"label": "pie_cpp_validation_002692", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002692.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002692", "task_path": "tasks/validation/pie_cpp_validation_002692.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <fstream>\n\n#include <sstream>\n\n#include <algorithm>\n\n#include <cstdio>\n\n#include <cassert>\n\n#include <cmath>\n\n#include <cstdlib>\n\n#include <cstring>\n\n#include <string>\n\n#include <deque>\n\n#include <queue>\n\n#include <vector>\n\n#include <list>\n\n#include <map>\n\n#include <set>\n\n#include <bitset>\n\n#include <stack>\n\n#include <iomanip>\n\n#include <utility>\n\n#include <functional>\n\nusing namespace std;\n\n//orz jzm\n\n#define ll long long\n\n#define ull unsigned ll\n\nconst ll PR=19260817;\n\nint main() {\n\n\tstring s;\n\n\tcin>>s;\n\n\treverse(s.begin(), s.end());\n\n\tint i=0, l=s.length();\n\n\twhile (i<l) {\n\n\t\tif (s[i]=='m') {\n\n\t\t\tif (s.substr(i, 5)!=\"maerd\") {\n\n\t\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\ti+=5;\n\n\t\t}\n\n\t\telse if (s[i]=='e') {\n\n\t\t\tif (s.substr(i, 5)!=\"esare\") {\n\n\t\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\ti+=5;\n\n\t\t} else if (s[i]=='r') {\n\n\t\t\tif (i+2>=l||s[i+1]!='e') {\n\n\t\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\t\treturn 0;\n\n\t\t\t}i+=2;\n\n\t\t\tif (s[i]=='m') {\n\n\t\t\t\tif (s.substr(i, 5)!=\"maerd\") {\n\n\t\t\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}i+=5;\n\n\t\t\t} else if (s[i]=='s') {\n\n\t\t\t\tif (s.substr(i, 4)!=\"sare\") {\n\n\t\t\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}i+=4;\n\n\t\t\t} else {\n\n\t\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t} else {\n\n\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout<<\"YES\"<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002692"}988{"label": "pie_cpp_validation_002693", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002693.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002693", "task_path": "tasks/validation/pie_cpp_validation_002693.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define sz(x) ((int)(x).size())\n\n#define rep(i,a,b) for (int i=(a); i<(b); i++)\n\n#define per(i,a,b) for (int i=(b-1); i>=(a); i--)\n\n#define debug(x) cout << #x << \" => \" << x << endl\n\nusing namespace std;\n\n\n\n#define fi first\n\n#define se second\n\n#define mp make_pair\n\ntypedef pair<int,int> pii;\n\n\n\n#define pb push_back\n\ntypedef vector<int> vi;\n\n\n\ntypedef long long ll;\n\ntypedef long double ld;\n\n\n\nconst int MAX_N = 7 + 100000;\n\n///----------------------------------------------\n\nbool f[MAX_N];\n\nint main() {\n\n\t\n\n\t///read\n\n\tstring str; cin>>str;\n\n\t\n\n\t///work\n\n\tstatic string tab[4] = {\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\tmemset(f,false,sizeof(f));\n\n\trep(i,0,sz(str)) {\n\n\t\trep(j,0,4) if (i+1>=sz(tab[j])) {\n\n\t\t\tif (i-sz(tab[j])==-1 || f[i-sz(tab[j])])\n\n\t\t\t\tif (str.substr(i-sz(tab[j])+1,sz(tab[j]))==tab[j]) {\n\n\t\t\t\t\tf[i]=true;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t}\n\n\t\t//debug(f[i]);\n\n\t}\n\n\t\n\n\t///print\n\n\tputs(f[sz(str)-1] ? \"YES\" : \"NO\");\n\n\n\n\n\n\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002693"}989{"label": "pie_cpp_validation_002694", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002694.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002694", "task_path": "tasks/validation/pie_cpp_validation_002694.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\nint a,b,c,d,i,j,k,x,y,z,ans;\n\nchar f[100005];\n\nint main(){\n\n\tscanf(\"%s\",f);\n\n\tc=0;\n\n\twhile (true){\n\n\t\td=c+4;\n\n\t\tif ((f[c]=='d') and (f[c+1]=='r') and (f[c+2]=='e') and (f[c+3]=='a') and (f[c+4]=='m')){\n\n\t\t\tif (d==strlen(f)-1){\n\n\t\t\t\tprintf(\"YES\\n\");\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\telse if (d==strlen(f)-3){\n\n\t\t\t\tif ((f[d+1]=='e') and (f[d+2]=='r')){\n\n\t\t\t\t\tprintf(\"YES\\n\");\n\n\t\t\t\t\treturn 0;\t\n\n\t\t\t\t}\n\n\t\t\t\telse {\n\n\t\t\t\t\tprintf(\"NO\\n\");\n\n\t\t\t\t\treturn 0;\t\t\t\t\t\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\telse if ((f[d+1]=='e') and (f[d+2]=='r')){\n\n\t\t\t\tif (f[d+3]=='a') c+=5; else c+=7;\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tc+=5;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if ((f[c]=='e') and (f[c+1]=='r') and (f[c+2]=='a') and (f[c+3]=='s') and (f[c+4]=='e')){\n\n\t\t\tif (d==strlen(f)-1){\n\n\t\t\t\tprintf(\"YES\\n\");\n\n\t\t\t\treturn 0;\n\n\t\t\t}\n\n\t\t\telse if (d==strlen(f)-2){\n\n\t\t\t\tif (f[d+1]=='r'){\n\n\t\t\t\t\tprintf(\"YES\\n\");\n\n\t\t\t\t\treturn 0;\t\n\n\t\t\t\t}\n\n\t\t\t\telse {\n\n\t\t\t\t\tprintf(\"NO\\n\");\n\n\t\t\t\t\treturn 0;\t\t\t\t\t\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\telse if (f[d+1]=='r') c+=6;\n\n\t\t\telse {\n\n\t\t\t\tc+=5;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse {\n\n\t\t\tprintf(\"NO\\n\");\n\n\t\t\treturn 0;\t\t\t\t\t\n\n\t\t}\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002694"}990{"label": "pie_cpp_validation_002695", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002695.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002695", "task_path": "tasks/validation/pie_cpp_validation_002695.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n// :) \n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nint main () {\n\n\tios::sync_with_stdio(false); cin.tie(0); cout.tie(0);\n\n\tstring s;\n\n\tcin >> s;\n\n\tif (s.length() < 5) {\n\n\t\tcout << \"NO\\n\";\n\n\t\treturn 0;\n\n\t}\n\n\tbool ok = true;\n\n\tint i = s.length()-1;\n\n\twhile (i >= 0) {\n\n\t\tstring cur;\n\n\t\tfor (int t = 0; t < 5 && i - t >= 0; t++)\n\n\t\t\tcur = s[i-t] + cur;\n\n\t\tif (cur == \"erase\" || cur == \"dream\") {\n\n\t\t\ti -= 5;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tcur = \"\";\n\n\t\tfor (int t = 0; t < 6 && i - t >= 0; t++)\n\n\t\t\tcur = s[i-t] + cur;\n\n\t\tif (cur == \"eraser\") {\n\n\t\t\ti -= 6;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tcur = \"\";\n\n\t\tfor (int t = 0; t < 7 && i - t >= 0; t++)\n\n\t\t\tcur = s[i-t] + cur;\n\n\t\tif (cur == \"dreamer\") {\n\n\t\t\ti -= 7;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tok = false;\n\n\t\tbreak;\n\n\t}\n\n\tif (i != -1 || !ok) \n\n\t\tcout << \"NO\\n\";\n\n\telse\n\n\t\tcout << \"YES\\n\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002695"}991{"label": "pie_cpp_validation_002696", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002696.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002696", "task_path": "tasks/validation/pie_cpp_validation_002696.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n\n\nusing namespace std;\n\n\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n string o = \"\";\n\n string e = \"esare\";\n\n string e1 = \"resare\";\n\n string d1 = \"remaerd\";\n\n string d = \"maerd\";\n\n for(int i = 0; i < s.size(); i++){\n\n o += s[s.size() - i - 1];\n\n if(!d.find(o) && !d1.find(o) && !e1.find(o) && !e.find(o)){\n\n cout << \"NO\";\n\n return 0;\n\n }\n\n if(o == e || o == e1 || o == d || o == d1){\n\n o = \"\";\n\n }\n\n }\n\n if(o != \"\"){\n\n cout << \"NO\";\n\n return 0;\n\n }\n\n cout << \"YES\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002696"}992{"label": "pie_cpp_validation_002697", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002697.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002697", "task_path": "tasks/validation/pie_cpp_validation_002697.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\nconst array<string, 4> uses = {\"erase\", \"eraser\", \"dream\", \"dreamer\"};\n\n\n\nbool Solve() {\n\n string s;\n\n cin >> s;\n\n\n\n const int n = s.size();\n\n vector<bool> dp(n, false);\n\n for (const auto &x : uses)\n\n if (s.substr(0, x.size()) == x) dp[x.size() - 1] = true;\n\n\n\n for (int i = 0; i < n; ++i) {\n\n if (!dp[i]) continue;\n\n for (const auto &x : uses) {\n\n if (i + x.size() < n && s.substr(i + 1, x.size()) == x)\n\n dp[i + x.size()] = true;\n\n }\n\n }\n\n\n\n return dp[n - 1];\n\n}\n\n\n\nint main() {\n\n cin.tie(0); ios::sync_with_stdio(false);\n\n\n\n if (Solve()) cout << \"YES\\n\";\n\n else cout << \"NO\\n\";\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002697"}993{"label": "pie_cpp_validation_002698", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002698.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002698", "task_path": "tasks/validation/pie_cpp_validation_002698.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define rep1(i, n) for(int i = 1; i <= (n); i++)\n\n#define co(x) cout << (x) << \"\\n\"\n\n#define cosp(x) cout << (x) << \" \"\n\n#define ce(x) cerr << (x) << \"\\n\"\n\n#define cesp(x) cerr << (x) << \" \"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define Would\n\n#define you\n\n#define please\n\n\n\n\n\nint main() {\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\t\n\n\tstring S;\n\n\tcin >> S;\n\n\n\n\tint OK = 1;\n\n\n\n\twhile (S.size()) {\n\n\t\tif (S.substr(0, 5) == \"dream\") {\n\n\t\t\tstring kari = S.substr(5, 5);\n\n\t\t\tif (kari == \"erase\") S.erase(0, 5);\n\n\t\t\telse if (kari[0] == 'e' && kari[1] == 'r') S.erase(0, 7);\n\n\t\t\telse S.erase(0, 5);\n\n\t\t}\n\n\t\telse if (S.substr(0, 6) == \"eraser\") S.erase(0, 6);\n\n\t\telse if (S.substr(0, 5) == \"erase\") S.erase(0, 5);\n\n\t\telse {\n\n\t\t\tOK = 0;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\n\n\tif (OK) co(\"YES\");\n\n\telse co(\"NO\");\n\n\n\n\tWould you please return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002698"}994{"label": "pie_cpp_validation_002699", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002699.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002699", "task_path": "tasks/validation/pie_cpp_validation_002699.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n// dp\u3092\u4f7f\u3063\u305f\u5834\u5408\n\n// \u3053\u3044\u3064\u3089\u2193\u3092main\u306e\u5916\u306b\u51fa\u3057\u3001\u304b\u3064C\u306e\u914d\u5217\u306a\u3089\u884c\u3051\u305f\n\n\n\nstring options[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nbool dp[100010];\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n \n\n dp[0] = 1;\n\n for (int i = 0; i < s.size(); i++) {\n\n if (!dp[i]) continue;\n\n for (string c : options) {\n\n // s\u306ei\u756a\u76ee\u304b\u3089c.size\u8981\u7d20\u307e\u3067\u304coptions\u306e\u3069\u308c\u304b\u3068\u4e00\u81f4\u3057\u305f\u3089\u3001\n\n // \u305d\u306e\u672b\u5c3e\u306e\u6dfb\u5b57\u306b\u5bfe\u5fdc\u3059\u308bdp\u306e\u4f4d\u7f6e\u3092true\u306b\u3059\u308b\n\n if (s.substr(i, c.size()) == c) dp[i + c.size()] = 1;\n\n }\n\n }\n\n \n\n // dp[s.size()](\u3064\u307e\u308as\u306e\u672b\u5c3e)\u304ctrue\u3068\u3044\u3046\u3053\u3068\u306f\u3001s\u304coptions\u3067\u7dba\u9e97\u306b\u5206\u5272\u3067\u304d\u305f\u3068\u3044\u3046\u3053\u3068\n\n cout << (dp[s.size()] ? \"YES\" : \"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002699"}995{"label": "pie_cpp_validation_002700", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002700.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002700", "task_path": "tasks/validation/pie_cpp_validation_002700.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n// queue\u3092\u7528\u3044\u305f\u5e45\u512a\u5148\u63a2\u7d22\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n vector<string> options = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n \n\n queue<int> BFS; // index\u7ba1\u7406\u7528queue\n\n BFS.push(0);\n\n \n\n bool divisible = false;\n\n while (!BFS.empty()) {\n\n int t = BFS.front();\n\n BFS.pop();\n\n \n\n if (t == s.size()) { // \u7dba\u9e97\u306b\u5206\u5272\u3067\u304d\u305f\u3068\u304d\n\n divisible = true;\n\n break;\n\n }\n\n \n\n for (string c : options) {\n\n // s\u306ei\u756a\u76ee\u304b\u3089c.size\u8981\u7d20\u307e\u3067\u304coptions\u306e\u3069\u308c\u304b\u3068\u4e00\u81f4\u3057\u305f\u3089\u3001\n\n // \u73fe\u5728\u5730\u304b\u3089c.size\u6587\u5b57\u5206\u9032\u3081\u3066queue\u306bpush\u3059\u308b\n\n if (s.substr(t, c.size()) == c) {\n\n BFS.push(t + c.size());\n\n }\n\n }\n\n }\n\n \n\n cout << (divisible ? \"YES\" : \"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002700"}996{"label": "pie_cpp_validation_002701", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002701.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002701", "task_path": "tasks/validation/pie_cpp_validation_002701.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tvector<string> t={\"maerd\"s,\"remaerd\"s,\"esare\"s,\"resare\"s};\n\n\tstring s;\n\n\tcin>>s;\n\n\treverse(s.begin(),s.end());\n\n\tfor(int i=0;i<s.size();){\n\n\t\tstring f;\n\n\t\tbool yes=false;\n\n\t\tfor(int j=0;j<t.size();++j){\n\n\t\t\tf=s.substr(i,t.at(j).size());\n\n\t\t\tif(f==t.at(j)){\n\n\t\t\t\tyes=true;\n\n\t\t\t\ti+=t.at(j).size();\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(!yes){\n\n\t\t\tcout<<\"NO\\n\"s;\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout<<\"YES\\n\"s;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002701"}997{"label": "pie_cpp_validation_002702", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002702.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002702", "task_path": "tasks/validation/pie_cpp_validation_002702.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst int INF = 1e9;\n\nconst ll LLINF = 1e18;\n\nconst ll MOD = (ll)1e9 + 7;\n\n\n\nint main()\n\n{\n\n string s; cin >> s;\n\n int n = s.size();\n\n bool ok = true;\n\n if (n < 5) { ok = false; }\n\n reverse(s.begin(), s.end());\n\n vector<string> cands = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n for (int i = 0; i < 4; ++i) {\n\n reverse(cands[i].begin(), cands[i].end());\n\n }\n\n for (int i = 0; ok and i < n; ) {\n\n if (i + 5 > n) {\n\n ok = false;\n\n break;\n\n }\n\n string p = s.substr(i, 3);\n\n int ix = -1;\n\n if (p == \"mae\") { ix = 0; }\n\n else if (p == \"rem\") { ix = 1; }\n\n else if (p == \"esa\") { ix = 2; }\n\n else if (p == \"res\") { ix = 3; }\n\n else {\n\n ok = false;\n\n break;\n\n }\n\n int j = 0;\n\n while (j < (int)cands[ix].size() and i + j < n and s[i + j] == cands[ix][j]) {\n\n ++j;\n\n }\n\n if (j != (int)cands[ix].size()) { ok = false; }\n\n i += cands[ix].size();\n\n\n\n }\n\n printf(\"%s\\n\", ok ? \"YES\" : \"NO\");\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002702"}998{"label": "pie_cpp_validation_002703", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002703.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002703", "task_path": "tasks/validation/pie_cpp_validation_002703.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tstring S;\n\n\tcin>>S;\n\n\tint N = S.size();\n\n\tbool f = true;\n\n\tstring T = \"\";\n\n\tint cnt = 0;\n\n\tfor (int i = N-1; i >= 0; --i){\n\n\t\tT+=S[i];\n\n\t\tcnt = T.size();\n\n\t\tif(cnt == 5){\n\n\t\t\tif(T == \"maerd\"||T == \"esare\"){\n\n\t\t\t\tT =\"\";\n\n\t\t\t}\n\n\t\t\telse continue;\n\n\t\t}\n\n\t\telse if(cnt == 6){\n\n\t\t\tif(T == \"resare\"){\n\n\t\t\t\tT = \"\";\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if(cnt == 7){\n\n\t\t\tif(T == \"remaerd\"){\n\n\t\t\t\tT = \"\";\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tf = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tstring ans = \"NO\";\n\n\tif(f)ans = \"YES\";\n\n\tcout<<ans<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002703"}999{"label": "pie_cpp_validation_002704", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002704.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002704", "task_path": "tasks/validation/pie_cpp_validation_002704.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\nusing namespace std;\n\n\n\nstring S;\n\nint dp[100000];\n\n\n\nbool daydream(int now){\n\n if(now == S.size()){\n\n return true;\n\n }else if(dp[now] != -1){\n\n return dp[now];\n\n }else{\n\n int ans = false;\n\n if(now <= S.size() - 5){\n\n if(S.substr(now, 5) == \"dream\"){\n\n ans |= daydream(now + 5);\n\n }\n\n if(S.substr(now, 5) == \"erase\"){\n\n ans |= daydream(now + 5);\n\n }\n\n }\n\n if(now <= S.size() - 6){\n\n if(S.substr(now, 6) == \"eraser\"){\n\n ans |= daydream(now + 6);\n\n }\n\n }\n\n if(now <= S.size() - 7){\n\n if(S.substr(now, 7) == \"dreamer\"){\n\n ans |= daydream(now + 7);\n\n }\n\n }\n\n return dp[now] = ans;\n\n }\n\n}\n\n\n\nint main(){\n\n cin >> S;\n\n fill(dp, dp + 100000, -1);\n\n if(daydream(0)){\n\n cout << \"YES\" << endl;\n\n }else{\n\n cout << \"NO\" << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002704"}1000{"label": "pie_cpp_validation_002705", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002705.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002705", "task_path": "tasks/validation/pie_cpp_validation_002705.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for(int i = 0, i##_len = (n); i < i##_len; ++i)\n\n#define rep2(i, x, n) for(int i = x, i##_len = (n); i < i##_len; ++i)\n\n#define all(n) begin(n), end(n)\n\ntypedef long long ll;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n while(s.size() > 0) {\n\n string sub = s.substr(0, min(11, (int)s.size()));\n\n if(sub.size() == 11 && sub == \"dreameraser\")\n\n s.erase(s.begin(), s.begin() + 11);\n\n else if(sub.size() >= 7 && sub.substr(0, 10) == \"dreamerase\")\n\n s.erase(s.begin(), s.begin() + 10);\n\n else if(sub.size() >= 7 && sub.substr(0, 7) == \"dreamer\")\n\n s.erase(s.begin(), s.begin() + 7);\n\n else if(sub.size() >= 6 && sub.substr(0, 6) == \"eraser\")\n\n s.erase(s.begin(), s.begin() + 6);\n\n else if(sub.size() >= 5 && sub.substr(0, 5) == \"dream\")\n\n s.erase(s.begin(), s.begin() + 5);\n\n else if(sub.size() >= 5 && sub.substr(0, 5) == \"erase\")\n\n s.erase(s.begin(), s.begin() + 5);\n\n else {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002705"}1001{"label": "pie_cpp_validation_002706", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002706.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002706", "task_path": "tasks/validation/pie_cpp_validation_002706.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\n\n\n#define REP(i,num) for(int i=0;i<(num);++i)\n\n#define ALL(c) c.begin(),c.end()\n\n#define LOOP(i) while(i--)\n\n#define PRINTALL(c) for(auto& x:c){cout<<x<<' ';}cout<<endl;\n\n#define PAIRCOMP(c,comp) [](const pair<ll,ll>& lhs,const pair<ll,ll>& rhs){return lhs.c comp rhs.c;}\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nconstexpr ll atcoder_mod = 1e9+7;\n\n\n\ntemplate<typename T=int>\n\nT in(){T x; cin >> x; return (x);}\n\ntemplate<typename T=int,typename C=vector<T>>\n\nC vecin(int N){C x(N);REP(i,N){x[i]=in<T>();}return move(x);}\n\n\n\nvoid vout(){cout << endl;}\n\ntemplate<typename Head,typename... Tail>\n\nvoid vout(Head&& h,Tail&&... t){cout << ' ' << h;vout(forward<Tail>(t)...);}\n\nvoid out(){cout << endl;}\n\ntemplate<typename Head,typename... Tail>\n\nvoid out(Head&& h,Tail&&... t){cout << h;vout(forward<Tail>(t)...);}\n\n\n\nint main(){\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\tcout<<fixed<<setprecision(10);\n\n\n\n\tstring S=in<string>();\n\n\treverse(ALL(S));\n\n\tvector<string> L={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\tfor(auto& x:L) reverse(ALL(x));\n\n\t\n\n\tauto itr=S.begin();\n\n\twhile(itr!=S.end()){\n\n\t\tauto temp = itr;\n\n\t\tint offset = distance(S.begin(),itr);\n\n\t\tfor(auto& x:L){\n\n\t\t\tint ls = x.size();\n\n\t\t\tif(S.substr(offset,ls)==x){\n\n\t\t\t\titr+=ls;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(temp==itr){\n\n\t\t\tout(\"NO\");\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tout(\"YES\");\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002706"}1002{"label": "pie_cpp_validation_002707", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002707.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002707", "task_path": "tasks/validation/pie_cpp_validation_002707.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n\n\n string w[4] = {\"remaerd\", \"resare\", \"maerd\", \"esare\"};\n\n reverse(s.begin(), s.end());\n\n while (s.size()) {\n\n for (int i = 0; i < 4; i++) {\n\n if (s.substr(0, w[i].size()) == w[i]) {\n\n s = s.substr(w[i].size());\n\n break;\n\n }\n\n if (i + 1 == 4) {\n\n cout << \"NO\\n\";\n\n return 0;\n\n }\n\n }\n\n }\n\n cout << \"YES\\n\";\n\n \n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002707"}1003{"label": "pie_cpp_validation_002708", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 25, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 25, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002708.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002708", "task_path": "tasks/validation/pie_cpp_validation_002708.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <regex>\n\n\n\nusing namespace std;\n\nint main()\n\n{\n\n string s; cin >> s;\n\n regex re(\"(erase|eraser|dream|dreamer)*\");\n\n cout << (regex_match(s, re) ? \"YES\\n\" : \"NO\\n\");\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002708"}1004{"label": "pie_cpp_validation_002709", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002709.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002709", "task_path": "tasks/validation/pie_cpp_validation_002709.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include <iostream>\n\nusing namespace std;\n\nstring divide[4]={\"dream\",\"erase\",\"eraser\",\"dreamer\"};\n\nstring s;\n\nbool DFS(int n){\n\n if(n==s.size())return true;\n\n for(string i:divide){\n\n if(n+i.size()<=s.size()&& s.substr(n,i.size())==i){\n\n if(DFS(n+i.size()))return true;\n\n }\n\n }\n\n return false;\n\n}\n\nint main(){\n\n cin>>s;\n\n cout<<(DFS(0) ? \"YES\" :\"NO\")<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002709"}1005{"label": "pie_cpp_validation_002710", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002710.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002710", "task_path": "tasks/validation/pie_cpp_validation_002710.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <queue>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nstruct State {\n\n size_t pos;\n\n string str;\n\n};\n\n\n\ninline void Push(queue<State>& q, size_t i) {\n\n q.push({i, \"dream\"});\n\n q.push({i, \"dreamer\"});\n\n q.push({i, \"erase\"});\n\n q.push({i, \"eraser\"});\n\n}\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n const size_t len = S.size();\n\n\n\n queue<State> q;\n\n Push(q, 0);\n\n\n\n bool found = false;\n\n while (!q.empty()) {\n\n auto s = q.front();\n\n q.pop();\n\n const auto end = s.pos + s.str.size();\n\n if (s.pos >= len || end > len) {\n\n continue;\n\n }\n\n if (S.substr(s.pos, end - s.pos) != s.str) {\n\n continue;\n\n }\n\n\n\n if (end == len) {\n\n found = true;\n\n break;\n\n }\n\n Push(q, end);\n\n }\n\n if (found)\n\n cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002710"}1006{"label": "pie_cpp_validation_002711", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002711.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002711", "task_path": "tasks/validation/pie_cpp_validation_002711.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <string>\n\n#include <cmath>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\nconst int mod = 1000000007;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n string s;\n\n cin >> s;\n\n while (s.length()) {\n\n if (s.length() >= 5 && s.substr(s.length() - 5, 5) == \"dream\") s = s.substr(0, s.length() - 5);\n\n else if (s.length() >= 7 && s.substr(s.length() - 7, 7) == \"dreamer\") s = s.substr(0, s.length() - 7);\n\n else if (s.length() >= 5 && s.substr(s.length() - 5, 5) == \"erase\") s = s.substr(0, s.length() - 5);\n\n else if (s.length() >= 6 && s.substr(s.length() - 6, 6) == \"eraser\") s = s.substr(0, s.length() - 6);\n\n else {\n\n cout << \"NO\";\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002711"}1007{"label": "pie_cpp_validation_002712", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002712.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002712", "task_path": "tasks/validation/pie_cpp_validation_002712.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n/*\n\nID: y1197771\n\nPROG: test\n\nLANG: C++\n\n*/\n\n#include<bits/stdc++.h>\n\n#define pb push_back\n\n#define FOR(i, n) for (int i = 0; i < (int)n; ++i)\n\n#define dbg(x) cout << #x << \" at line \" << __LINE__ << \" is: \" << x << endl\n\ntypedef long long ll;\n\nusing namespace std;\n\ntypedef pair<int, int> pii;\n\nconst int maxn = 1e5 + 10;\n\nstring a[] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nint dp[maxn];\n\nvoid solve() {\n\n string s;\n\n cin >> s;\n\n memset(dp, 0, sizeof dp);\n\n dp[0] = 1;\n\n for (int i = 1; i <= s.size(); i++) {\n\n for (int j = 0; j < 4; j++) {\n\n int sz = a[j].size();\n\n if(i - sz>= 0) {\n\n string t = s.substr(i - sz, sz);\n\n //cout << i << \" \" << t << endl;\n\n if(t == a[j] && dp[i - sz]) {\n\n dp[i] = 1;\n\n //cout << i << \" \" << t << endl;\n\n }\n\n }\n\n }\n\n }\n\n if(dp[s.size()])\n\n cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n\nint main() {\n\n // freopen(\"test.in\", \"r\", stdin);\n\n //freopen(\"test.out\", \"w\", stdout);\n\n ios::sync_with_stdio(0);\n\n cin.tie(0); cout.tie(0);\n\n //int _; _ = 3;\n\n //while(_--)\n\n solve();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002712"}1008{"label": "pie_cpp_validation_002713", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002713.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002713", "task_path": "tasks/validation/pie_cpp_validation_002713.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n string S;\n\n cin>>S;\n\n int ans=1;\n\n string A=\"dreamer\",B=\"eraser\",C=\"dream\",D=\"erase\";\n\n S.insert(0,\"dreamer\");\n\n while(S.size()>0){\n\n int L=S.size(),X=1,Y=1,Z=1,W=1;\n\n for(int i=0;i<7;i++) X*=int(S[L-7+i]==A[i]);\n\n for(int i=0;i<6;i++) Y*=int(S[L-6+i]==B[i]);\n\n for(int i=0;i<5;i++) Z*=int(S[L-5+i]==C[i]);\n\n for(int i=0;i<5;i++) W*=int(S[L-5+i]==D[i]);\n\n if(X) S.erase(L-7);\n\n else if(Y) S.erase(L-6);\n\n else if(Z) S.erase(L-5);\n\n else if(W) S.erase(L-5);\n\n else{\n\n ans=0;\n\n break;\n\n }\n\n }\n\n cout<<(ans?\"YES\":\"NO\")<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002713"}1009{"label": "pie_cpp_validation_002714", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002714.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002714", "task_path": "tasks/validation/pie_cpp_validation_002714.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <stdio.h>\n\n#include <string.h>\n\n\n\nint main(void){\n\n // Your code here!\n\n char str[100001];\n\n char tmpstr[100001];\n\n char *test[4] = {\"dreamer\",\"dream\",\"eraser\",\"erase\"};\n\n \n\n scanf(\"%100000s\",str);\n\n strcpy(tmpstr,str);\n\n \n\n while(strlen(str) > 0){\n\n int i;\n\n char *index;\n\n for(i = 0; i < 4; i++){\n\n if((index = strstr(str,test[i])) != NULL){\n\n if(strcmp(test[i],\"dreamer\") == 0 && *(index + 7) == 'a'){\n\n i = 1;\n\n }\n\n break;\n\n }\n\n }\n\n if(i == 4){\n\n printf(\"NO\\n\");\n\n return 0;\n\n }\n\n strcpy(&tmpstr[index-str],index+(strlen(test[i])));\n\n strcpy(str,tmpstr);\n\n }\n\n \n\n printf(\"YES\\n\");\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002714"}1010{"label": "pie_cpp_validation_002715", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002715.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002715", "task_path": "tasks/validation/pie_cpp_validation_002715.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main() {\n\n string d[4] = {\"dream\", \"erase\", \"eraser\", \"dreamer\"};\n\n string s;\n\n cin >> s;\n\n int len = s.size();\n\n\n\n while(len != 0){\n\n for(int i=0;i<4;i++){\n\n int di_len = d[i].size();\n\n string tmp = \"\";\n\n if(len < di_len){\n\n continue;\n\n }\n\n tmp = s.substr(len - di_len,di_len);\n\n if (tmp.compare(d[i])==0){\n\n s = s.substr(0,len-di_len);\n\n len = len - di_len;\n\n goto loop;\n\n }\n\n }\n\n printf(\"NO\\n\");\n\n return 0;\n\n loop:;\n\n }\n\n printf(\"YES\\n\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002715"}1011{"label": "pie_cpp_validation_002716", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002716.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002716", "task_path": "tasks/validation/pie_cpp_validation_002716.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define check(n) (s.substr(s.size() - n, n))\n\n\n\nint main()\n\n{\n\n int count;\n\n string s;\n\n cin >> s;\n\n count = s.size();\n\n while (count){\n\n if (check(5) == \"dream\" || check(5) == \"erase\"){\n\n count -= 5;\n\n s = s.substr(0, s.size() - 5);\n\n }else if (check(6) == \"eraser\"){\n\n count -= 6;\n\n s = s.substr(0, s.size() - 6);\n\n }else if (check(7) == \"dreamer\"){\n\n count -= 7;\n\n s = s.substr(0, s.size() - 7);\n\n }else{\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002716"}1012{"label": "pie_cpp_validation_002717", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002717.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002717", "task_path": "tasks/validation/pie_cpp_validation_002717.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n // \u5f8c\u308d\u304b\u3089\u89e3\u304f\u304b\u308f\u308a\u306b\u3059\u3079\u3066\u306e\u6587\u5b57\u5217\u3092\u300c\u5de6\u53f3\u53cd\u8ee2\u300d\u3059\u308b\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end());\n\n\n\n // \u7aef\u304b\u3089\u5207\u3063\u3066\u3044\u304f\n\n bool can = true;\n\n for (int i = 0; i < S.size();) {\n\n bool can2 = false; // 4 \u500b\u306e\u6587\u5b57\u5217\u305f\u3061\u3069\u308c\u304b\u3067 divide \u3067\u304d\u308b\u304b\n\n for (int j = 0; j < 4; ++j) {\n\n string d = divide[j];\n\n if (S.substr(i, d.size()) == d) { // d \u3067 divide \u3067\u304d\u308b\u304b\n\n can2 = true;\n\n i += d.size(); // divide \u3067\u304d\u305f\u3089 i \u3092\u9032\u3081\u308b\n\n }\n\n }\n\n if (!can2) { // divide \u3067\u304d\u306a\u304b\u3063\u305f\u3089\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002717"}1013{"label": "pie_cpp_validation_002718", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 35, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 35, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002718.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002718", "task_path": "tasks/validation/pie_cpp_validation_002718.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\nconst int MOD = 1e9 + 7;\n\ntypedef long long lint;\n\nconst int INF =1e7;\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n#define trep(i, k, n) for (int i = (k); i < (int)(n); ++i)\n\ntypedef pair<int,int> P;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\nstring t[4] = {\"maerd\", \"remaerd\", \"esare\", \"resare\"};\n\n\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n reverse(s.begin(),s.end());\n\n while(!s.empty()){\n\n bool flag = false;\n\n rep(i, 4)\n\n {\n\n string str;\n\n str=s.substr(0, t[i].size());\n\n if(str==t[i]){\n\n s.erase(0, t[i].size());\n\n //cout << s << endl;\n\n flag = true;\n\n }\n\n }\n\n if(!flag){\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002718"}1014{"label": "pie_cpp_validation_002719", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002719.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002719", "task_path": "tasks/validation/pie_cpp_validation_002719.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <set>\n\n#include <string>\n\n#include <algorithm>\n\ntypedef long long ll;\n\nusing namespace std;\n\n\n\nint main(void)\n\n{\n\n\tstring s;\n\n\tcin >> s;\n\n\treverse(s.begin(), s.end());\n\n\tint pos = 0;\n\n\tint i;\n\n\tbool flag = false;\n\n\tbool find = false;\n\n\n\n\tvector<string> seachstrs = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\tfor (int i = 0; i < 4; i++) reverse(seachstrs[i].begin(), seachstrs[i].end());\n\n\n\n\twhile (1)\n\n\t{\n\n\t\tfor (i = 0; i < 4; i++)\n\n\t\t{\n\n\t\t\tif (s.substr(pos, seachstrs[i].size()) == seachstrs[i])\n\n\t\t\t{\n\n\t\t\t\tpos += seachstrs[i].size();\n\n\t\t\t\tfind = true;\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tif (!find)\n\n\t\t{\n\n\t\t\tflag = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\n\n\t\tif (pos >= s.size())\n\n\t\t{\n\n\t\t\tflag = true;\n\n\t\t\tbreak;\n\n\t\t}\n\n\n\n\t\tfind = false;\n\n\t}\n\n\n\n\tif (flag) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002719"}1015{"label": "pie_cpp_validation_002720", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002720.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002720", "task_path": "tasks/validation/pie_cpp_validation_002720.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n\n\n reverse(s.begin(), s.end());\n\n for (int i = 0; i < 4; i++)\n\n reverse(divide[i].begin(), divide[i].end());\n\n\n\n bool ans = true;\n\n for (int i = 0; i < s.size();) {\n\n bool can = false;\n\n for (int j = 0; j < 4; j++) {\n\n string d = divide[j];\n\n if (s.substr(i, d.size()) == d) {\n\n can = true;\n\n i += d.size();\n\n }\n\n }\n\n if (!can) {\n\n ans = false;\n\n break;\n\n }\n\n }\n\n if (ans)\n\n cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002720"}1016{"label": "pie_cpp_validation_002721", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002721.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002721", "task_path": "tasks/validation/pie_cpp_validation_002721.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include <numeric>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for (ll i = 0; i < (ll)(n); ++i)\n\n#define erep(i, n) for (ll i = 0; i <= (ll)(n); ++i)\n\n#define FOR(i,a,b) for (ll i = (a); i < (ll)(b); ++i)\n\n#define EFOR(i,a,b) for (ll i = (a); i <= (ll)(b); ++i)\n\ntemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } }\n\ntemplate<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } }\n\n\n\n\n\nint main() {\n\n string s; cin >> s;\n\n int i = 0;\n\n vector<string> use;\n\n while (i < s.size()) {\n\n string tmp = s.substr(i, 6);\n\n if(tmp == \"eraser\") {\n\n i += 6;\n\n use.push_back(tmp);\n\n continue;\n\n }\n\n tmp = s.substr(i, 7);\n\n if(tmp == \"dreamer\") {\n\n i += 7;\n\n use.push_back(tmp);\n\n continue;\n\n }\n\n tmp = s.substr(i, 5);\n\n if(tmp == \"dream\" || tmp == \"erase\") {\n\n i += 5;\n\n use.push_back(tmp);\n\n continue;\n\n }\n\n if(use.size() > 0 && use[use.size()-1].size() > 5) {\n\n i -= use[use.size()-1].size();\n\n tmp = s.substr(i, 5);\n\n use[use.size()-1] = tmp;\n\n i += 5;\n\n } else {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002721"}1017{"label": "pie_cpp_validation_002722", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002722.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002722", "task_path": "tasks/validation/pie_cpp_validation_002722.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <bitset>\n\n#include <boost/dynamic_bitset.hpp>\n\n#include <cfloat>\n\n#include <cmath>\n\n#include <ctime>\n\n#include <deque>\n\n#include <iomanip>\n\n#include <iostream>\n\n#include <limits>\n\n#include <list>\n\n#include <map>\n\n#include <numeric>\n\n#include <queue>\n\n#include <random>\n\n#include <set>\n\n#include <sstream>\n\n#include <stack>\n\n#include <string>\n\n#include <typeindex>\n\n#include <typeinfo>\n\n#include <vector>\n\n\n\n#define DEBUG(x) cout << #x << \": \" << x << endl\n\n#define INFILE() freopen(\"input.txt\", \"r\", stdin)\n\n#define REP(i, a, b) for (int i = a; i < b; i++)\n\n#define ALL(s) begin(s), end(s)\n\n#define RALL(s) rbegin(s), rend(s)\n\n\n\nusing namespace std;\n\n\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing i_i = pair<int, int>;\n\nusing ll_i = pair<ll, int>;\n\nusing i_ll = pair<int, ll>;\n\nusing d_i = pair<double, int>;\n\nusing ll_ll = pair<ll, ll>;\n\nusing d_d = pair<double, double>;\n\n\n\nstatic constexpr ll LL_MOD = 1000000009;\n\nstatic constexpr int I_MOD = 1000000007;\n\nstatic constexpr double EPS = numeric_limits<double>::epsilon();\n\nstatic constexpr double PI = 3.14159265358979323846264338327950288;\n\n\n\ntemplate <class T> static void scan(vector<T> &v);\n\nstatic void scan(vector<string> &v, bool isWord = true);\n\nstatic boost::dynamic_bitset<> scan(char trueValue = 'o');\n\n\n\nint main(int argc, char *argv[]) {\n\n\t// INFILE();\n\n string s;\n\n cin >> s;\n\n\n\n vector<string> targets{\"eraser\", \"erase\", \"dreamer\", \"dream\"};\n\n\n\n for (const auto &t : targets) {\n\n int l = t.size();\n\n\n\n for (size_t cur = s.find(t); cur != string::npos; cur = s.find(t, cur)) {\n\n s.replace(cur, l, string(l, ' '));\n\n }\n\n }\n\n\n\n if (s.find_first_not_of(\" \") == string::npos) {\n\n cout << \"YES\\n\";\n\n return 0;\n\n }\n\n\n\n cout << \"NO\\n\";\n\n return 0;\n\n}\n\n\n\ntemplate <class T> static void scan(vector<T> &v) {\n\n map<type_index, const char *const> m = {{typeid(int), \"%d\"},\n\n {typeid(ll), \"%lld\"},\n\n {typeid(double), \"%lf\"},\n\n {typeid(char), \"%c\"}};\n\n\n\n auto tFormat = m[typeid(T)];\n\n\n\n for (T &n : v) {\n\n scanf(tFormat, &n);\n\n }\n\n}\n\n\n\nstatic void scan(vector<string> &v, bool isWord) {\n\n if (isWord) {\n\n for (auto &n : v) {\n\n cin >> n;\n\n }\n\n return;\n\n }\n\n\n\n int i = 0, size = v.size();\n\n string s;\n\n getline(cin, s);\n\n\n\n if (s.size() != 0) {\n\n i++;\n\n v[0] = s;\n\n }\n\n\n\n for (; i < size; ++i) {\n\n getline(cin, v[i]);\n\n }\n\n}\n\n\n\nstatic boost::dynamic_bitset<> scan(char trueValue) {\n\n string s;\n\n getline(cin, s);\n\n\n\n if (s.size() == 0) {\n\n getline(cin, s);\n\n }\n\n\n\n for_each(begin(s), end(s),\n\n [trueValue](char &c) { c = (c == trueValue) ? '1' : '0'; });\n\n return boost::dynamic_bitset<>(string(rbegin(s), rend(s)));\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002722"}1018{"label": "pie_cpp_validation_002723", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002723.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002723", "task_path": "tasks/validation/pie_cpp_validation_002723.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for (int i = 0; i < (n); ++i)\n\n//C++14 (GCC 5.4.1)\n\nint main() {\n\n string S,Ss;\n\n cin >> S;\n\n //-----------------------------------\n\n int Ans=0,point=S.size();\n\n bool is=true,rooper=true;\n\n do{\n\n point-=5;\n\n if(point==-5){\n\n rooper=false;\n\n }else if(point<0){\n\n is=false;\n\n rooper=false;\n\n }else{\n\n Ss=S.substr(point,5);\n\n if(Ss!=\"dream\"&&Ss!=\"erase\"){\n\n if(Ss==\"eamer\"){\n\n point-=2;\n\n Ss=S.substr(point,2);\n\n if(Ss!=\"dr\"){\n\n is=false;\n\n rooper=false;\n\n }\n\n }else if(Ss==\"raser\"){\n\n point-=1;\n\n if(S[point]!='e'){\n\n is=false;\n\n rooper=false;\n\n }\n\n }else{\n\n is=false;\n\n rooper=false;\n\n }\n\n }\n\n }\n\n }while(rooper);\n\n \n\n\n\n cout << ((is) ? \"YES\" : \"NO\") <<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002723"}1019{"label": "pie_cpp_validation_002724", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002724.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002724", "task_path": "tasks/validation/pie_cpp_validation_002724.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define ll long long\n\n#define vvi vector<vector<int>>\n\n#define vec vector\n\n#define pq priority_queue\n\n#define all(v) (v).begin(), (v).end()\n\n#define uniqueV(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end());\n\n#define rep(i, n) for (int (i) = (0); (i) < (n); ++(i))\n\n#define repp(i, m, n) for (int (i) = (m); (i) < (n); ++(i))\n\n#define debug(x) cerr << #x << \": \" << x << endl;\n\n#define debug2(x, y) cerr<<\"(\"<<#x<<\", \"<<#y<<\") = \"<<\"(\"<<x<<\", \"<<y<<\")\"<<endl;\n\n#define debug3(x, y, z) cerr<<\"(\"<<#x<<\", \"<<#y<<\", \"<<#z<<\") = \"<<\"(\"<<x<<\", \"<<y<<\", \"<<z<<\")\"<<endl;\n\n#define debugB(value, size) cerr<<#value<<\": \"<<bitset<size>(value) << endl;\n\n#define line() cerr << \"---------------\" << endl;\n\n\n\nconst int dx[] = {1, -1, 0, 0};\n\nconst int dy[] = {0, 0, -1, 1};\n\nconst double PI = 3.14159265358979323846;\n\n\n\ntemplate<typename T>\n\nvoid printA(vector<T> &printArray, char between = ' ') {\n\n int paSize = printArray.size();\n\n for (int i = 0; i < paSize; i++) { cerr << printArray[i] << between;}\n\n if (between != '\\n') {cerr << endl;}\n\n}\n\n\n\n// ------------------------------------------------------------------------------------------\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n\n\n int n = s.size();\n\n for (int i = 0; i < n; ) {\n\n string dreamErase = s.substr(i, 10);\n\n string dreamEraser = s.substr(i, 11);\n\n string char5 = s.substr(i, 5);\n\n string char6 = s.substr(i, 6);\n\n string char7 = s.substr(i, 7);\n\n\n\n if (dreamEraser == \"dreameraser\") {\n\n i += 11;\n\n } else if (dreamErase == \"dreamerase\") {\n\n i += 10;\n\n } else if (char7 == \"dreamer\") {\n\n i += 7;\n\n } else if (char6 == \"eraser\") {\n\n i += 6;\n\n } else if (char5 == \"erase\" || char5 == \"dream\") {\n\n i += 5;\n\n } else {\n\n puts(\"NO\");\n\n return 0;\n\n }\n\n }\n\n\n\n puts(\"YES\");\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002724"}1020{"label": "pie_cpp_validation_002725", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002725.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002725", "task_path": "tasks/validation/pie_cpp_validation_002725.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#define _GLIBCXX_DEBUG\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n reverse(s.begin(), s.end());\n\n vector<string> a = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\n for (int i = 0; i < 4; i++) {\n\n reverse(a.at(i).begin(), a.at(i).end());\n\n }\n\n\n\n while (!s.empty()) {\n\n if (s.substr(0, 5) == a.at(0) || s.substr(0, 5) == a.at(2)) {\n\n s.erase(0, 5);\n\n }\n\n\n\n else if (s.substr(0, 7) == a.at(1)) {\n\n s.erase(0, 7);\n\n }\n\n\n\n else if (s.substr(0, 6) == a.at(3)) {\n\n s.erase(0, 6);\n\n }\n\n\n\n else {\n\n break;\n\n }\n\n }\n\n\n\n if (s.empty()) {\n\n cout << \"YES\" << endl;\n\n }\n\n\n\n else {\n\n cout << \"NO\" << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002725"}1021{"label": "pie_cpp_validation_002726", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 38, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 38, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002726.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002726", "task_path": "tasks/validation/pie_cpp_validation_002726.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main() {\n\n\t\n\n\tstring s; cin >> s;\n\n\tstring d = \"dream\";\n\n\tstring e = \"erase\";\n\n\tstring er = \"eraser\";\n\n\tstring der = \"dreamer\";\t\n\n\n\n\treverse(s.begin(), s.end());\n\n\treverse(d.begin(), d.end());\n\n\treverse(e.begin(), e.end());\n\n\treverse(er.begin(), er.end());\n\n\treverse(der.begin(), der.end());\n\n\n\n\tint n = s.size();\n\n\tint index = 0;\n\n\tbool can = true;\n\n\twhile (s != \"\") {\n\n\t\t\n\n\t\tstring tmp_s_5;\n\n\t\tstring tmp_s_6;\n\n\t\tstring tmp_s_7;\n\n\n\n\t\tif (d.size() <= s.size()) {\n\n\t\t\ttmp_s_5 = s.substr(index, d.size());\n\n\t\t}\n\n\t\tif (er.size() <= s.size()) {\n\n\t\t\ttmp_s_6 = s.substr(index, er.size());\n\n\t\t}\n\n\t\tif (der.size() <= s.size()) {\n\n\t\t\ttmp_s_7 = s.substr(index, der.size());\n\n\t\t}\n\n\n\n\t\tif (tmp_s_5 == d || tmp_s_5 == e) {\n\n\t\t\ts = s.substr(index + d.size());\n\n\t\t}\n\n\t\telse if (tmp_s_6 == er) {\n\n\t\t\ts = s.substr(index + er.size());\n\n\t\t}\n\n\t\telse if (tmp_s_7 == der) {\n\n\t\t\ts = s.substr(index + der.size());\n\n\t\t}\n\n\t\telse {\n\n\t\t\tcan = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\n\n\tif (can) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002726"}1022{"label": "pie_cpp_validation_002727", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002727.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002727", "task_path": "tasks/validation/pie_cpp_validation_002727.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nstring s;\n\nint dp[100005];\n\nint main()\n\n{\n\n\tcin>>s;\n\n dp[0]=1;\n\n\tfor(int i=0;i<s.size();i++)\n\n\t{\n\n\t\tif(dp[i]==0)continue;\n\n\t\tif(i+5<=s.size()&&s.substr(i,5)==\"dream\") dp[i+5]=1;\n\n\t\tif(i+5<=s.size()&&s.substr(i,5)==\"erase\") dp[i+5]=1;\n\n\t\tif(i+6<=s.size()&&s.substr(i,6)==\"eraser\") dp[i+6]=1;\n\n\t\tif(i+7<=s.size()&&s.substr(i,7)==\"dreamer\") dp[i+7]=1;\n\n\t\t}\t\n\n\tif(dp[s.size()]==1) cout<<\"YES\"<<endl;\n\n\telse \n\n\t cout<<\"NO\"<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002727"}1023{"label": "pie_cpp_validation_002728", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002728.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002728", "task_path": "tasks/validation/pie_cpp_validation_002728.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n string str[4]={\"maerd\",\"remaerd\",\"resare\",\"esare\"};\n\n\tstring s;\n\n\tcin>>s;\n\n\treverse(s.begin(),s.end());\n\n\tbool a=true;\n\n\tfor(int i=0;i<s.size();)\n\n\t{\n\n\t\tbool b=false;\n\n\t\tfor(int j=0;j<4;j++)\n\n\t\t{ \n\n\t\t string d=str[j];\n\n\t\t\tif(s.substr(i,d.size())==d){\n\n\t\t\t\tb=true;i+=d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(!b){\n\n\t\t\ta=false;break;\n\n\t\t}\n\n\t}\n\n\tif(a)cout<<\"YES\"<<endl;\n\n\telse cout<<\"NO\"<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002728"}1024{"label": "pie_cpp_validation_002729", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002729.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002729", "task_path": "tasks/validation/pie_cpp_validation_002729.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main(){\n\n string S;\n\n cin>>S;\n\n string divide[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\n\n reverse(S.begin(),S.end());\n\n for(int i=0;i<4;i++){\n\n reverse(divide[i].begin(),divide[i].end());\n\n }\n\n\n\n bool can=true;\n\n for(int i=0;i<S.size();){\n\n bool can2=false;\n\n for(int j=0;j<4;j++){\n\n if(S.substr(i,divide[j].size())==divide[j]){\n\n can2=true;\n\n i=i+divide[j].size();\n\n }\n\n }\n\n if(!can2){\n\n can=false;\n\n break;\n\n }\n\n }\n\n if(can){\n\n cout<<\"YES\";\n\n }\n\n else{\n\n cout<<\"NO\";\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002729"}1025{"label": "pie_cpp_validation_002730", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002730.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002730", "task_path": "tasks/validation/pie_cpp_validation_002730.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for(int i=(a);i<(b);++i)\n\n#define REP(i,n) for(int i=0;i<(n);++i)\n\n#define REPr(i,n) for(int i=(n)-1;i>=0; --i)\n\n#define FORq(i, m, n) for(int i = (m);i <= (n);++i)\n\n#define rFORq(i, m , n) for(int i = (n);i >=(m);--i)\n\n#define SCD(n) scanf(\"%d\",&n)\n\n#define SCD2(m,n) scanf(\"%d%d\",&m,&n)\n\n#define SCD3(m,n,k) scanf(\"%d%d%d\",&m,&n,&k)\n\n#define SCLLD(n) scanf(\"%lld\",&n)\n\n#define SCLLD2(m,n) scanf(\"%lld%lld\",&m,&n)\n\n#define SCLLD3(m,n,k) scanf(\"%lld%lld%lld\",&m,&n,&k)\n\n#define PB push_back\n\n#define MP make_pair\n\n#define ARSCD(A,N) REP(i,N){SCD(A[i]);}\n\n#define ARSCD1(A,N) FORq(i,1,N){SCD(A[i]);}\n\n#define VSCD(v,N) REP(i,N){int x; SCD(x); v.PB(x);}\n\n#define VSCLLD(v,N) REP(i,N){long long x; SCLLD(x); v.PB(x);}\n\n#define PRINTD(n) printf(\"%d\\n\",n)\n\n#define PRINTLLD(n) printf(\"%lld\\n\",n)\n\n#define DEBUG printf(\"%s\\n\",\"debug\")\n\n#define fst first\n\n#define snd second\n\n#define SIN(x,S) (S.count(x) != 0)\n\nusing namespace std;\n\ntypedef pair<int,int> PII;\n\ntypedef vector<int> VI;\n\ntypedef vector < VI > VVI;\n\ntypedef vector<long long> VL;\n\ntypedef long long ll;\n\ntypedef long long integer;\n\n////////////////////////////////////////////////////////////////////\n\nint main(){\n\n string S;\n\n cin >> S;\n\n int l = S.length();\n\n reverse(S.begin(),S.end());\n\n\n\n REP(i,l){\n\n if (S.substr(i,5) == \"maerd\"){\n\n i = i + 5 - 1;\n\n }else if (S.substr(i,7) == \"remaerd\"){\n\n i = i + 7 - 1;\n\n }else if (S.substr(i,5) == \"esare\"){\n\n i = i + 5 - 1;\n\n }else if (S.substr(i,6) == \"resare\"){\n\n i = i + 6 - 1;\n\n }else {\n\n cout << \"NO\\n\";\n\n return 0;\n\n }\n\n }\n\n\n\n cout << \"YES\\n\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002730"}1026{"label": "pie_cpp_validation_002731", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002731.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002731", "task_path": "tasks/validation/pie_cpp_validation_002731.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nstring S;\n\nstring t[4] = {\"maerd\",\n\n \"remaerd\",\n\n \"esare\",\n\n \"resare\"};\n\n\n\nint main()\n\n{\n\n cin >> S;\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < S.size();)\n\n {\n\n bool dividable = false;\n\n for (int j = 0; j < 4; j++)\n\n {\n\n if (S.substr(i, t[j].size()) == t[j])\n\n {\n\n dividable = true;\n\n i += t[j].size();\n\n break;\n\n }\n\n }\n\n if (!dividable)\n\n {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002731"}1027{"label": "pie_cpp_validation_002732", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 52, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 52, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002732.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002732", "task_path": "tasks/validation/pie_cpp_validation_002732.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n string s;\n\n cin >> s;\n\n vector<string> t = {\"eraser\", \"erase\", \"dreamer\", \"dream\"};\n\n for (string &x : t) {\n\n while (true) {\n\n size_t i = s.find(x);\n\n if (i == -1) break;\n\n s.replace(i, x.size(), \"\");\n\n }\n\n }\n\n string ans = (s.empty()) ? \"YES\" : \"NO\";\n\n cout << ans << '\\n';\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002732"}1028{"label": "pie_cpp_validation_002733", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002733.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002733", "task_path": "tasks/validation/pie_cpp_validation_002733.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n\n\n string s;\n\n cin >> s;\n\n while (!s.empty()) {\n\n if (s.substr(s.size()-5, 5) == \"erase\") {\n\n s = s.substr(0, s.size() - 5);\n\n } else if (s.substr(s.size()-5, 5) == \"dream\") {\n\n s = s.substr(0, s.size() - 5);\n\n } else if (s.substr(s.size()-6, 6) == \"eraser\") {\n\n s = s.substr(0, s.size() - 6);\n\n } else if (s.substr(s.size()-7, 7) == \"dreamer\") {\n\n s = s.substr(0, s.size() - 7);\n\n } else {\n\n cout << \"NO\" << '\\n';\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << '\\n';\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002733"}1029{"label": "pie_cpp_validation_002734", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002734.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002734", "task_path": "tasks/validation/pie_cpp_validation_002734.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\nstring st;\n\nint main(){\n\n\tint i,j,k,n;\n\n\tcin>>st;\n\n\tn=st.length();\n\n\tfor(i=0;i<n;i++){\n\n\t\tif(st[i]=='e'){\n\n\t\t\tif(st[i+1]=='r'&&st[i+2]=='a'&&st[i+3]=='s'&&st[i+4]=='e'){\n\n\t\t\t\tif(st[i+5]=='r')i+=5;\n\n\t\t\t\telse i+=4;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if(st[i]=='d'){\n\n\t\t\tif(st[i+1]=='r'&&st[i+2]=='e'&&st[i+3]=='a'&&st[i+4]=='m'){\n\n\t\t\t\tif(st[i+5]=='e'&&st[i+6]=='r'&&st[i+7]=='a'&&st[i+8]=='s'&&st[i+9]=='e')i+=4;\n\n\t\t\t\telse if(st[i+5]=='e'&&st[i+6]=='r')i+=6;\n\n\t\t\t\telse i+=4;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse{\n\n\t\t\tcout<<\"NO\"<<endl;\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout<<\"YES\"<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002734"}1030{"label": "pie_cpp_validation_002735", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 34, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 34, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002735.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002735", "task_path": "tasks/validation/pie_cpp_validation_002735.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nconst int mod = 1000000007;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n\n\nint int_len(int n) {\n\n int s=0;\n\n while(n!=0) s++, n/=10;\n\n return s;\n\n}\n\n\n\nint int_sum(int n) {\n\n int m=0,s=0,a=n;\n\n while(a!=0) s++, a/=10;\n\n for(int i=s-1;i>=0;i--) m+=n/((int)pow(10,i))-(n/((int)pow(10,i+1)))*10;\n\n return m;\n\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\nint ggcd(int a,int b)\n\n{\n\n \n\n int r, tmp;\n\n \n\n \n\n \n\n /* \u81ea\u7136\u6570 a > b \u3092\u78ba\u8a8d\u30fb\u5165\u66ff */\n\n if(a<b){\n\n tmp = a;\n\n a = b;\n\n b = tmp;\n\n }\n\n \n\n /* \u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u306e\u4e92\u9664\u6cd5 */\n\n r = a % b;\n\n while(r!=0){\n\n a = b;\n\n b = r;\n\n r = a % b;\n\n }\n\n \n\n \n\n \n\n return b;\n\n}\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\nint fac(int n){\n\n int m=1;\n\n while(n>=1) m*=n,n--;\n\n return m;\n\n}\n\n\n\nint vec_sum(vector<int> v){\n\n int n=0;\n\n for(int i=0;i<v.size();i++) n+=v[i];\n\n return n;\n\n}\n\n///////////////////////////\n\nint main() {\n\n string s;\n\n cin>>s;\n\n reverse(s.begin(),s.end());\n\n while(true){\n\n if(s.substr(0,5)==\"esare\" || s.substr(0,5)==\"maerd\"){\n\n s=s.substr(5,s.size()-5);\n\n }else if(s.substr(0,6)==\"resare\"){\n\n s=s.substr(6,s.size()-6);\n\n }else if(s.substr(0,7)==\"remaerd\"){\n\n s=s.substr(7,s.size()-7);\n\n }else{\n\n cout<<\"NO\"<<endl;\n\n return 0;\n\n }\n\n if(s.size()==0){\n\n cout<<\"YES\"<<endl;\n\n return 0;\n\n }\n\n }\n\n}\n\n///////////////////////////\n```", "split": "validation", "task_id": "pie_cpp_validation_002735"}1031{"label": "pie_cpp_validation_002736", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002736.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002736", "task_path": "tasks/validation/pie_cpp_validation_002736.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n string s;\n\n cin >> s;\n\n reverse(s.begin(), s.end());\n\n string divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n for(int i = 0; i < 4;i++){\n\n reverse((divide[i]).begin(), (divide[i]).end());\n\n }\n\n bool can = true;\n\n for(int i = 0; i < s.size();){\n\n bool can2 = false;\n\n for(int j = 0; j < 4; j++){\n\n string d = divide[j];\n\n if(s.substr(i, d.size()) == d){\n\n can2 = true;\n\n i += d.size();\n\n }\n\n }\n\n if(!can2){\n\n can = false;\n\n break;\n\n }\n\n }\n\n if(can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002736"}1032{"label": "pie_cpp_validation_002737", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002737.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002737", "task_path": "tasks/validation/pie_cpp_validation_002737.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<queue>\n\nusing namespace std;\n\nint main() {\n\n string s; cin >> s;\n\n queue<int> bfs;\n\n bfs.push(0);\n\n string divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n while (!bfs.empty()) {\n\n int t = bfs.front();\n\n if (t == s.size()) { //0\u304b\u3089\u8db3\u3057\u3066\u3044\u3063\u3066\u6761\u4ef6\u6e80\u305f\u3057\u305f\u4e0a\u3067size\u304c\u540c\u3058\u306a\u3089\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n bfs.pop();\n\n for (string di : divide) {\n\n if (s.substr(t, di.size()) == di) { //\u5168\u53ef\u80fd\u6027\u3092push\n\n bfs.push(t + (int)di.size());\n\n }\n\n }\n\n }\n\n cout << \"NO\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002737"}1033{"label": "pie_cpp_validation_002738", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002738.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002738", "task_path": "tasks/validation/pie_cpp_validation_002738.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<queue>\n\nusing namespace std;\n\nint main() {\n\n string s; cin >> s;\n\n string d[3] = {\"dream\", \"eraser\", \"erase\"};\n\n //erase\u3088\u308a\u5148\u306beraser\u3092\u898b\u308b\u306e\u3082\u5927\u4e8b\n\n //eraseraser\n\n for (int i = 0; i < s.size(); ) {\n\n for (int j = 0; j < 3; ++j) {\n\n if (s.substr(i, d[j].size()) == d[j]) {\n\n i += d[j].size();\n\n if (j == 0) { //dreamer\u304c\u5371\u967a\n\n if (i == s.size()) {\n\n break;\n\n }\n\n //\u7d99\u7d9a\u6761\u4ef6\n\n //ere : dreamererase, dreamserase\n\n //erd : dreamerdream, dreamerdreamer\n\n //(s.size() - i == 2 && ... : dreamer and finish\n\n if (s.substr(i, 3) == \"ere\" || s.substr(i, 3) == \"erd\"\n\n || (s.size() - i == 2 && s.substr(i, 2) == \"er\")) {\n\n i += 2;\n\n }\n\n }\n\n break;\n\n }\n\n if (j == 2) {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002738"}1034{"label": "pie_cpp_validation_002739", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002739.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002739", "task_path": "tasks/validation/pie_cpp_validation_002739.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define F first\n\n#define S second\n\n#define pii pair<int, int>\n\n#define eb emplace_back\n\n#define all(v) v.begin(), v.end()\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n#define rep3(i, l, n) for (int i = l; i < (n); ++i)\n\n#define sz(v) (int)v.size()\n\n#define inf (int)(1e9+7)\n\n#define abs(x) (x >= 0 ? x : -(x))\n\n#define ceil(a, b) a / b + !!(a % b)\n\ntemplate<typename T1, typename T2> inline void chmin(T1 &a, T2 b) { if (a > b) a = b; }\n\ntemplate<typename T1, typename T2> inline void chmax(T1 &a, T2 b) { if (a < b) a = b; }\n\n// template<typename T> T pow(T a, int b) { return b ? pow(a * a, b / 2) * (b % 2 ? a : 1) : 1; }\n\ntemplate<typename T> T gcd(T a, T b) { if (b == 0) return a; return gcd(b, a % b); }\n\n\n\n\n\n\n\nint main() {\n\n string s[] = {\"maerd\", \"remaerd\", \"esare\", \"resare\"};\n\n \n\n string t;\n\n cin >> t;\n\n \n\n for (int i = sz(t) - 1; i >= 0; --i) {\n\n \n\n rep(j, 4) {\n\n int flg = 0;\n\n rep(k, sz(s[j])) {\n\n if (s[j][k] != t[i - k]) {\n\n flg = 1;\n\n break;\n\n }\n\n \n\n }\n\n \n\n if (flg == 0) {\n\n \n\n i -= sz(s[j]) - 1;\n\n if (i == 0) {\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n break;\n\n \n\n }\n\n if (j == 3) {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n \n\n }\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002739"}1035{"label": "pie_cpp_validation_002740", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002740.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002740", "task_path": "tasks/validation/pie_cpp_validation_002740.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nstring S;\n\nstring st,md,lg;\n\nstring df = \"dream dreamer erase eraser\";\n\nbool flag = true;\n\nint main(){\n\n cin >> S;\n\n while(S.size()){\n\n int L = S.size();\n\n if( L>= 7){\n\n lg = S.substr(S.size()-7,7);\n\n md = S.substr(S.size()-6,6);\n\n st = S.substr(S.size()-5,5);\n\n }else if( L >= 6){\n\n lg = \"0\";\n\n md = S.substr(S.size()-6,6);\n\n st = S.substr(S.size()-5,5);\n\n \n\n }else if( L >= 5){\n\n lg = \"0\";\n\n md = \"0\";\n\n st = S.substr(S.size()-5,5);\n\n }else{\n\n lg = md = st = \"0\";\n\n }\n\n \n\n if(df.find(lg) != -1){\n\n S.erase(S.end() - 7, S.end());\n\n }else if(df.find(md) != -1){\n\n S.erase(S.end() - 6, S.end());\n\n }else if(df.find(st) != -1){\n\n S.erase(S.end() -5 , S.end());\n\n }else{\n\n flag = false;\n\n break;\n\n }\n\n }\n\n \n\n if(flag){\n\n cout << \"YES\" << endl;\n\n }else{\n\n cout << \"NO\" << endl;\n\n }\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002740"}1036{"label": "pie_cpp_validation_002741", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 28, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 28, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002741.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002741", "task_path": "tasks/validation/pie_cpp_validation_002741.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\n\n\n\n\nint main()\n\n{\n\n\tstring s,w[4]={\"resare\",\"esare\",\"remaerd\",\"maerd\"},p[4]={\"######\",\"#####\",\"#######\",\"#####\"};\n\n\tcin>>s;\n\n\treverse(s.begin(),s.end());\n\n\tfor(int i=0;i<4;i++)\n\n\t{\n\n\t\tfor(int j=0;j<=s.length()-w[i].length();j++)\n\n\t\t{\n\n\t\t\tif(s.substr(j,w[i].length())==w[i])s.replace(j,w[i].length(),p[i]);\n\n\t\t}\n\n\t}\n\n\tbool flag=true;\n\n\tfor(int i=0;i<s.length();i++)\n\n\t{\n\n\t\tif(s[i]!='#')flag=false;\n\n\t}\n\n\tif(flag)cout<<\"YES\"<<endl;\n\n\telse cout<<\"NO\"<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002741"}1037{"label": "pie_cpp_validation_002742", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002742.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002742", "task_path": "tasks/validation/pie_cpp_validation_002742.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main () {\n\n string div[4] = {\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n string s;\n\n cin >> s;\n\n\n\n reverse(s.begin(), s.end());\n\n for(int i = 0; i < 4; i++) reverse(div[i].begin(), div[i].end());\n\n string res = \"YES\";\n\n\n\n for(int i = 0; i < s.size();) {\n\n bool check = false;\n\n for(int j = 0; j<4; j++) {\n\n string tmp = div[j];\n\n if(s.substr(i, tmp.size()) == tmp) {\n\n check = true;\n\n i += tmp.size();\n\n }\n\n }\n\n if(!check) {\n\n res = \"NO\";\n\n break;\n\n }\n\n }\n\n cout << res << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002742"}1038{"label": "pie_cpp_validation_002743", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002743.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002743", "task_path": "tasks/validation/pie_cpp_validation_002743.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <iostream>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nstring S=\"\";\n\nstring T=\"\";\n\n\n\nint main() {\n\n\n\n\tint i;\n\n\n\n\tcin >> S;\n\n\n\n\tint len = S.length();\n\n\n\n\tint now = 0;\n\n\n\n\twhile (1) {\n\n\n\n\t\tif (now >= len) { break; }\n\n\n\n\t\tstring s[6];\n\n\n\n\t\ts[0] = \"\";\n\n\t\ts[1] = \"\";\n\n\t\ts[2] = \"\";\n\n\t\ts[3] = \"\";\n\n\t\ts[4] = \"\";\n\n\t\ts[5] = \"\";\n\n\n\n\t\tint check[6] = { 0,0,0,0,0,0 };\n\n\n\n\t\tif (now + 10 < len) { check[0] = 1; }\n\n\t\tif (now + 9 < len) { check[1] = 1; }\n\n\t\tif (now + 6 < len) { check[2] = 1; }\n\n\t\tif (now + 4 < len) { check[3] = 1; }\n\n\t\tif (now + 5 < len) { check[4] = 1; }\n\n\t\tif (now + 4 < len) { check[5] = 1; }\n\n\n\n\n\n\t\tif (check[0] == 1) {\n\n\n\n\t\t\tfor (i = now; i <= now + 10; i++) {\n\n\t\t\t\ts[0] += S[i];\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tif (check[1] == 1) {\n\n\n\n\t\t\tfor (i = now; i <= now + 9; i++) {\n\n\t\t\t\ts[1] += S[i];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (check[2] == 1) {\n\n\t\t\tfor (i = now; i <= now + 6; i++) {\n\n\t\t\t\ts[2] += S[i];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (check[3] == 1) {\n\n\t\t\tfor (i = now; i <= now + 4; i++) {\n\n\t\t\t\ts[3] += S[i];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (check[4] == 1) {\n\n\t\t\tfor (i = now; i <= now + 5; i++) {\n\n\t\t\t\ts[4] += S[i];\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (check[5] == 1) {\n\n\t\t\tfor (i = now; i <= now + 4; i++) {\n\n\t\t\t\ts[5] += S[i];\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tif (s[0] == \"dreameraser\"&&check[0] == 1) {\n\n\t\t\tnow += 11;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (s[1] == \"dreamerase\"&&check[1] == 1) {\n\n\t\t\tnow += 10;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (s[2] == \"dreamer\"&&check[2] == 1) {\n\n\t\t\tnow += 7;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (s[3] == \"dream\"&&check[3] == 1) {\n\n\t\t\tnow += 5;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (s[4] == \"eraser\"&&check[4] == 1) {\n\n\t\t\tnow += 6;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tif (s[5] == \"erase\"&&check[5] == 1) {\n\n\t\t\tnow += 5;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tprintf(\"NO\\n\");\n\n\t\treturn 0;\n\n\t}\n\n\n\n\tprintf(\"YES\\n\");\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002743"}1039{"label": "pie_cpp_validation_002744", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002744.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002744", "task_path": "tasks/validation/pie_cpp_validation_002744.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>/*{{{*/\n\n#include <bits/stdc++.h>\n\n#define REP(i, x) for(int i = 0; i < (int)(x); i++)\n\n#define REPS(i,x) for(int i = 1; i <= (int)(x); i++)\n\n#define RREP(i,x) for(int i=((int)(x)-1);i>=0;i--)\n\n#define RREPS(i,x) for(int i=((int)(x));i>0;i--)\n\n#define FOR(i, m, n) for(int i = m;i < n;i++)\n\n#define RFOR(i, m, n) for(int i = m;i >= n;i--)\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define SZ(x) ((int)(x).size())\n\n#define FILL(x,y) memset(x,y,sizeof(x))\n\n#define SORT(v, n) sort(v, v+n);\n\n#define VSORT(v) sort(v.begin(), v.end());\n\n#define PB(a) push_back(a)\n\n#define debug(x) cerr << __LINE__ << \": \" << #x << \" -> \" << x << '\\n'\n\n#define INF 999999999\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\nint dy[]={0, 0, 1, -1, 0};\n\nint dx[]={1, -1, 0, 0, 0};/*}}}*/\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n string s;\n\n cin >> s;\n\n string t[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\n reverse(ALL(s));\n\n FOR(i, 0, 4) reverse(ALL(t[i]));\n\n\n\n int i = 0;\n\n while (true){\n\n bool found2 = false;\n\n FOR(j, 0, 4){\n\n if(s.substr(i, t[j].size()) == t[j]){\n\n i += t[j].size();\n\n found2 = true;\n\n break;\n\n }\n\n }\n\n debug(i);\n\n debug(s.size());\n\n debug(found2);\n\n if (!found2){\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n else if(i==s.size()){\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002744"}1040{"label": "pie_cpp_validation_002745", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002745.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002745", "task_path": "tasks/validation/pie_cpp_validation_002745.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i=0;i<n;i++)\n\n#define all(x) (x).begin(),(x).end()\n\n#define cyes cout<<\"YES\"<<endl\n\n#define cno cout<<\"NO\"<<endl\n\n#define sp <<\" \"<<\n\n#define cst(x) cout<<fixed<<setprecision(x)\n\n#define pi 3.14159265359\n\n#define mod 1000000007\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ld = long double;\n\nusing Graph = vector<vector<int>>;\n\nusing que_a = priority_queue<int, vector<int>, greater<int> >;\n\nusing que_d = priority_queue<int>;\n\nusing pint = pair<int,int>;\n\n\n\nint main(){\n\n\n\n string s; cin >> s;\n\n vector<string> word = {\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n vector<bool> dp(100005,false);\n\n dp.at(0) = true;\n\n rep(i,s.size()){\n\n if(dp.at(i) == false) continue;\n\n for(auto wo : word){\n\n if(wo == s.substr(i,wo.size())) dp[i+wo.size()] = true;\n\n }\n\n }\n\n\n\n dp[s.size()] ? cyes : cno;\n\n return 0; \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002745"}1041{"label": "pie_cpp_validation_002746", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002746.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002746", "task_path": "tasks/validation/pie_cpp_validation_002746.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i=0;i<n;i++)\n\n#define all(x) (x).begin(),(x).end()\n\n#define cyes cout<<\"YES\"<<endl\n\n#define cno cout<<\"NO\"<<endl\n\n#define sp <<\" \"<<\n\n#define cst(x) cout<<fixed<<setprecision(x)\n\n#define pi 3.14159265359\n\n#define mod 1000000007\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ld = long double;\n\nusing Graph = vector<vector<int>>;\n\nusing que_a = priority_queue<int, vector<int>, greater<int> >;\n\nusing que_d = priority_queue<int>;\n\nusing pint = pair<int,int>;\n\n\n\nint main(){\n\n\n\n string s; cin >> s;\n\n vector<string> word = {\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n \n\n queue<int> que;\n\n que.push(0);\n\n vector<bool> ok(100005,false);\n\n bool ans = false;\n\n ok.at(0) = true;\n\n while(!que.empty()){\n\n int v = que.front();\n\n if(v == s.size()){\n\n ans = true;\n\n break;\n\n }\n\n que.pop();\n\n\n\n for(string wo : word){\n\n if(ok.at(v+wo.size())) continue;\n\n\n\n if(wo == s.substr(v , wo.size())){\n\n que.push(v+wo.size());\n\n }\n\n }\n\n }\n\n ans ? cyes : cno;\n\n return 0; \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002746"}1042{"label": "pie_cpp_validation_002747", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002747.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002747", "task_path": "tasks/validation/pie_cpp_validation_002747.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for (ll i = 0; i < (int)(n); i++)\n\n#define all(x) (x).begin(),(x).end()\n\n#define m0(x) memset(x,0,sizeof(x))\n\nconst int INF = 2000000000;\n\n\n\nstack<char> s;\n\nstring S;\n\nbool fl = true;\n\n\n\nint main(){\n\n cin >> S;\n\n rep(i, S.size()) s.push(S.at(i));\n\n while(!s.empty()){\n\n bool flag = false;\n\n string tmp = \"\";\n\n rep(i, 5){\n\n if(s.empty()) break;\n\n tmp += s.top();\n\n s.pop();\n\n }\n\n if(tmp == \"maerd\"||tmp == \"esare\"){\n\n flag = true;\n\n }\n\n else if(!s.empty() && (tmp == \"remae\"|| tmp == \"resar\")){\n\n tmp+=s.top();\n\n s.pop();\n\n if(tmp == \"resare\") flag = true;\n\n else {\n\n if(s.empty()) break;\n\n tmp+=s.top();\n\n s.pop();\n\n if(tmp == \"remaerd\") flag = true;\n\n }\n\n }\n\n if(!flag){\n\n fl = false;\n\n break;\n\n }\n\n }\n\n if(fl) cout << \"YES\" <<endl;\n\n else cout << \"NO\" <<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002747"}1043{"label": "pie_cpp_validation_002748", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002748.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002748", "task_path": "tasks/validation/pie_cpp_validation_002748.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include <vector>\n\n#include <cmath>\n\n#include <tuple>\n\n#include <cmath>\n\n#include <algorithm>\n\n#include <map>\n\n\n\nusing namespace std;\n\n\n\nvector<string> vs = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nstring s;\n\nint lengthOfS;\n\n\n\nbool solve(int n) {\n\n\n\n if (n == lengthOfS) {\n\n return true;\n\n }\n\n\n\n bool ok = false;\n\n\n\n for (const auto &v : vs) {\n\n\n\n if (s.substr(n, v.size()) == v) {\n\n\n\n ok = solve(n + v.size());\n\n if (ok) {\n\n break;\n\n }\n\n }\n\n }\n\n\n\n return ok;\n\n}\n\n\n\nint main() {\n\n\n\n cin >> s;\n\n lengthOfS = s.size();\n\n\n\n bool ok = solve(0);\n\n\n\n if (ok) {\n\n cout << \"YES\" << \"\\n\";\n\n } else {\n\n cout << \"NO\" << \"\\n\";\n\n }\n\n\n\n return 0;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002748"}1044{"label": "pie_cpp_validation_002749", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002749.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002749", "task_path": "tasks/validation/pie_cpp_validation_002749.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n// using ll = long long;\n\n#define int long long\n\n\n\n#define LOG(variable) cout << #variable\":\\t\" << (variable) << endl\n\n#define LOGCON(i, container) for(int (i) = 0; (i) < (container).size(); ++(i)) cout << (i) << \":\\t\" << (container)[(i)] << endl\n\n#define REP(i, n) for (int i = 0; i < (n); ++i)\n\n#define REPS(i, r, n) for (int i = (r); i < (n); ++i)\n\n#define REPR(i, n) for(int i = (n); i >= 0; --i) // from n to 0\n\n#define REPRS(i, r, n) for(int i = (n); i >= (r); --i) // from n to r\n\n#define REPOBJ(itr, obj) for(auto itr = (obj).begin(); itr != (obj).end() ; ++itr)\n\n#define REPROBJ(itr, obj) for(auto itr = (obj).rbegin(), e = (obj).rend(); itr != e; ++itr)\n\n#define COUTB(x) cout << (x) << \"\\n\"\n\n#define COUTS(x) cout << (x) << \" \"\n\n#define PB push_back\n\n#define SORT(obj) sort((obj).begin(), (obj).end())\n\n#define SORTR(obj) sort((obj).begin(), (obj).end(), greater<>())\n\n#define ALL(obj) (obj).begin(), (obj).end()\n\n#define MOD 1000000007\n\n#define PI (acos(-1))\n\n/***** MAIN *****/\n\nstring s;\n\nint n;\n\nbool dp[100005];\n\nstring subs[] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nsigned main() {\n\n string s;\n\n cin >> s;\n\n n = s.size();\n\n REPS(i,0,n-4) {\n\n REP(j,4) {\n\n if(i > 0) {\n\n if(!dp[i-1]) continue;\n\n }\n\n string sub = subs[j];\n\n int sub_length = sub.size();\n\n if(i+sub_length > n)\n\n continue;\n\n\n\n auto itr = s.begin();\n\n if(equal(itr+i, itr+i+sub_length, sub.begin(), sub.end())) {\n\n dp[i+sub_length-1] = true;\n\n }\n\n }\n\n }\n\n if(dp[n-1]) {\n\n cout << \"YES\";\n\n } else {\n\n cout << \"NO\";\n\n }\n\n cout << \"\\n\";\n\n return 0;\n\n}\n\n/***** MAIN *****/\n```", "split": "validation", "task_id": "pie_cpp_validation_002749"}1045{"label": "pie_cpp_validation_002750", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002750.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002750", "task_path": "tasks/validation/pie_cpp_validation_002750.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n// repetition\n\n#define FOR(i, a, b) for(ll i = (a); i < (b); ++i)\n\n#define rep(i, n) for(ll i = 0; i < (ll)(n); i++)\n\n\n\n// container util\n\n#define all(x) (x).begin(), (x).end()\n\n\n\n// typedef\n\ntypedef long long ll;\n\ntypedef vector<int> VI;\n\ntypedef vector<VI> VVI;\n\ntypedef vector<ll> VLL;\n\ntypedef vector<VLL> VVLL;\n\ntypedef vector<string> VS;\n\ntypedef pair<int, int> PII;\n\ntypedef pair<ll, ll> PLL;\n\n\n\n// const value\n\n// const ll MOD = 1e9 + 7;\n\n// const int dx[] = {0,1,0,-1};//{0,0,1,1,1,-1,-1,-1};\n\n// const int dy[] = {1,0,-1,0};//{1,-1,0,1,-1,0,1,-1};\n\n\n\n// conversion\n\ninline int toInt(string s) {\n\n int v;\n\n istringstream sin(s);\n\n sin >> v;\n\n return v;\n\n}\n\ninline ll toLL(string s) {\n\n ll v;\n\n istringstream sin(s);\n\n sin >> v;\n\n return v;\n\n}\n\ntemplate <class T> inline string toString(T x) {\n\n ostringstream sout;\n\n sout << x;\n\n return sout.str();\n\n}\n\n\n\ntemplate <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) {\n\n return a < b && (a = b, true);\n\n}\n\n\n\ntemplate <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) {\n\n return a > b && (a = b, true);\n\n}\n\n\n\nint main() {\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n string s;\n\n cin >> s;\n\n reverse(all(s));\n\n ll n = s.size();\n\n string str[] = {\"dreamer\", \"eraser\", \"dream\", \"erase\"};\n\n rep(i, 4) reverse(all(str[i]));\n\n\n\n while(s.size() > 0) {\n\n if(s.size() < 5) {\n\n cout << \"NO\"\n\n << \"\\n\";\n\n return 0;\n\n }\n\n bool okFlag = false;\n\n rep(j, 4) {\n\n if(s.substr(0, str[j].size()) == str[j]) {\n\n s = s.substr(int(str[j].size()));\n\n\n\n okFlag = true;\n\n break;\n\n }\n\n }\n\n if(not okFlag) {\n\n cout << \"NO\"\n\n << \"\\n\";\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002750"}1046{"label": "pie_cpp_validation_002751", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002751.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002751", "task_path": "tasks/validation/pie_cpp_validation_002751.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nstring S;\n\nstring divide[4]{\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main(int argc, char **argv)\n\n{\n\n\tcin >> S;\n\n\n\n\treverse(S.begin(), S.end());\n\n\tfor (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end());\n\n\n\n\tdouble flags;\n\n\twhile (true)\n\n\t{\n\n\t\tflags = false;\n\n\t\tfor (int i = 0; i < 4; ++i)\n\n\t\t{\n\n\t\t\tstring target = divide[i];\n\n\t\t\tif (S.size() < target.size()) continue;\n\n\t\t\tstring tmp = S.substr(0, target.size());\n\n\t\t\tif (tmp == target)\n\n\t\t\t{\n\n\t\t\t\tS.erase(0, target.size());\n\n\t\t\t\tflags = true;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!flags) break;\n\n\t}\n\n\tstd::cout << ((S.empty()) ? \"YES\" : \"NO\") << std::endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002751"}1047{"label": "pie_cpp_validation_002752", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002752.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002752", "task_path": "tasks/validation/pie_cpp_validation_002752.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n\n\nint main() {\n\n\n\n string s;\n\n\n\n cin >> s;\n\n\n\n string dream = \"dream\", erase = \"erase\";\n\n\n\n int index = 0;\n\n\n\n if(s.size() < 5) {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n\n\n while(1) {\n\n \n\n string subS = s.substr(index, 5);\n\n // cout << \"subS = \" << subS << endl;\n\n\n\n if(subS == dream) {\n\n \n\n index += 5;\n\n if(index == s.size()) {\n\n break;\n\n }\n\n else if(index + 2 > s.size()) {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n else if(index + 2 == s.size()) {\n\n if(\"er\" == s.substr(index, 2))\n\n break;\n\n else {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n\n\n string er_ = s.substr(index, 3);\n\n\n\n if(er_ == \"era\" || er_ == \"dre\")\n\n continue;\n\n else if(er_ == \"erd\" || er_ == \"ere\") {\n\n index += 2;\n\n continue;\n\n }\n\n \n\n cout << \"NO\" << endl;\n\n return 0;\n\n\n\n }\n\n else if(subS == erase) {\n\n\n\n index += 5;\n\n \n\n if(index == s.size()) {\n\n break;\n\n }\n\n else if(index + 1 == s.size()) {\n\n if(\"r\" == s.substr(index, 1))\n\n break;\n\n else {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n\n\n string r_ = s.substr(index, 2);\n\n\n\n if(r_ == \"dr\" || r_ == \"er\") {\n\n continue;\n\n }\n\n else if(r_ == \"re\" || r_ == \"rd\") {\n\n index++;\n\n continue;\n\n }\n\n\n\n cout << \"NO\" << endl;\n\n return 0;\n\n\n\n\n\n }\n\n else {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n\n\n }\n\n\n\n\n\n cout << \"YES\" << endl;\n\n\n\n return 0;\n\n\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002752"}1048{"label": "pie_cpp_validation_002753", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002753.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002753", "task_path": "tasks/validation/pie_cpp_validation_002753.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n string s;cin >> s;\n\n cout << (regex_match(s, regex(\"(dream(er)?|eraser?)+\")) ? \"YES\" : \"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002753"}1049{"label": "pie_cpp_validation_002754", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002754.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002754", "task_path": "tasks/validation/pie_cpp_validation_002754.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n string str;\n\n string strFive,strSix;\n\n bool chk = true;\n\n cin >> str;\n\n \n\n // \u5f8c\u308d\u304b\u3089\u89e3\u8aad\n\n reverse(str.begin(), str.end());\n\n \n\n while(true){\n\n if(str.size() == 0){\n\n // 0\u6587\u5b57\u306f\u6b63\u5e38\u5224\u5b9a\n\n break;\n\n }else if(str.size() < 5){\n\n // 4\u6587\u5b57\u4ee5\u4e0b\u306f\u30a8\u30e9\u30fc\n\n chk = false;\n\n break; \n\n }\n\n \n\n // 5\u6587\u5b57\u30c1\u30a7\u30c3\u30af\n\n strFive = str.substr(0,5);\n\n if(strFive == \"maerd\" || strFive == \"esare\"){\n\n // OK\n\n str = str.erase(0,5);\n\n continue;\n\n }\n\n \n\n if(str.size() >= 6){\n\n // 6\u6587\u5b57\u30c1\u30a7\u30c3\u30af\n\n strSix = str.substr(0,6);\n\n if(strSix == \"resare\"){\n\n // OK\n\n str = str.erase(0,6);\n\n continue;\n\n } \n\n }\n\n \n\n if(str.size() >= 7){\n\n // 7\u6587\u5b57\u30c1\u30a7\u30c3\u30af\n\n strSix = str.substr(0,7);\n\n if(strSix == \"remaerd\"){\n\n // OK\n\n str = str.erase(0,7);\n\n continue;\n\n }else{\n\n chk = false;\n\n break; \n\n }\n\n }\n\n }\n\n \n\n if(chk == true){\n\n cout << \"YES\";\n\n }else{\n\n cout << \"NO\";\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002754"}1050{"label": "pie_cpp_validation_002755", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002755.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002755", "task_path": "tasks/validation/pie_cpp_validation_002755.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint main() {\n\n string S; cin >> S;\n\n vector<string> s = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n queue<int> BFS;\n\n BFS.push(0);\n\n bool judge = 0;\n\n while(!BFS.empty()) {\n\n int x = BFS.front();\n\n BFS.pop();\n\n if(x == S.size()) {\n\n judge = 1;\n\n break;\n\n }\n\n for(string a : s) {\n\n if(S.substr(x, a.size()) == a) BFS.push(x + a.size());\n\n }\n\n }\n\n cout << (judge ? \"YES\" : \"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002755"}1051{"label": "pie_cpp_validation_002756", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002756.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002756", "task_path": "tasks/validation/pie_cpp_validation_002756.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nconst string DREAM = \"dream\";\n\nconst string DREAMER = \"dreamer\";\n\nconst string ERASE = \"erase\";\n\nconst string ERASER = \"eraser\";\n\n\n\nstring str;\n\nstring target = \"\";\n\n\n\nbool concat(int from, int to) {\n\n if (target == str) return true;\n\n if (to >= str.length()) return false;\n\n for (int i = from; i < to; i++) if (target[i] != str[i]) return false;\n\n\n\n target += DREAM;\n\n bool dream = concat(to , to + 5);\n\n for (int i = 0; i < 5; i++) target.pop_back();\n\n\n\n target += DREAMER;\n\n bool dreamer = concat(to, to + 7);\n\n for (int i = 0; i < 7; i++) target.pop_back();\n\n\n\n target += ERASE;\n\n bool erase = concat(to, to + 5);\n\n for (int i = 0; i < 5; i++) target.pop_back();\n\n\n\n target += ERASER;\n\n bool eraser = concat(to, to + 6);\n\n for (int i = 0; i < 6; i++) target.pop_back();\n\n\n\n if (dream || dreamer || erase || eraser) return true;\n\n else return false;\n\n}\n\n\n\nint main() {\n\n cin >> str;\n\n\n\n if (concat(0, 0)) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002756"}1052{"label": "pie_cpp_validation_002757", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002757.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002757", "task_path": "tasks/validation/pie_cpp_validation_002757.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\n#define int long long\n\n#define FOR(i, a, b) for (int i = (int)(a); i < (int)(b); i++)\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n#define ALL(obj) begin(obj), end(obj)\n\n#define MAX(x) *max_element(ALL(x))\n\n#define MIN(x) *min_element(ALL(x))\n\n#define sqr(x) (x) * (x)\n\n#define cube(x) (z) * (z) * (x)\n\n#define LOWER_BOUND(A, key) distance(A.begin(), lower_bound(ALL(A), key))\n\n#define UPPER_BOUND(A, key) distance(A.begin(), upper_bound(ALL(A), key))\n\n#define itn int\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\nconst int MOD = (int)(1e9 + 7);\n\nconst int INF = (int)(1e13 + 7);\n\n\n\ntemplate <class T = int>\n\nint in() {\n\n T x;\n\n cin >> x;\n\n return x;\n\n}\n\nstring S;\n\nint judge(int now, string temp) {\n\n rep(i, temp.size()) {\n\n if (temp[i] != S[now + i]) {\n\n return 0;\n\n }\n\n }\n\n now += temp.size();\n\n if (now == S.size()) {\n\n return 1;\n\n } else {\n\n return max(judge(now, \"dream\"), max(judge(now, \"dreamer\"), max(judge(now, \"erase\"), judge(now, \"eraser\"))));\n\n }\n\n}\n\n\n\nsigned main() {\n\n cin >> S;\n\n int now = 0;\n\n if (max(judge(now, \"dream\"), max(judge(now, \"dreamer\"), max(judge(now, \"erase\"), judge(now, \"eraser\"))))) {\n\n cout << \"YES\" << endl;\n\n } else {\n\n cout << \"NO\" << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002757"}1053{"label": "pie_cpp_validation_002758", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002758.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002758", "task_path": "tasks/validation/pie_cpp_validation_002758.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n\n\nstring s;\n\nstring res = \"NO\";\n\n\n\nint main(){\n\n cin >> s;\n\n int n = s.size();\n\n while( n > 4 ){\n\n if(s.substr(n - 5) == \"dream\" || s.substr(n - 5) == \"erase\"){\n\n s = s.substr(0, n-5);\n\n n = s.size();\n\n if(!n) break;\n\n continue;\n\n }\n\n if(s.substr(n - 6) == \"eraser\"){\n\n s = s.substr(0, n-6);\n\n n = s.size();\n\n if(!n) break;\n\n continue;\n\n }\n\n if(s.substr(n - 7) == \"dreamer\"){\n\n s = s.substr(0, n-7);\n\n n = s.size();\n\n if(!n) break;\n\n continue;\n\n }\n\n //cout << s << endl;\n\n //cout << n;\n\n break;\n\n }\n\n if(!n){\n\n res = \"YES\";\n\n }\n\n cout << res << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002758"}1054{"label": "pie_cpp_validation_002759", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002759.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002759", "task_path": "tasks/validation/pie_cpp_validation_002759.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n/**\n\n * @copyright (c) 2020 Daisuke Hashimoto\n\n */\n\n\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = int64_t;\n\nusing Pair = pair<int64_t, int64_t>;\n\n\n\n// std::cout << std::setprecision(20) << 1.1 << endl;\n\n\n\nconst vector<string> templates = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nstring S;\n\nint64_t N;\n\n\n\nbool Dfs(const int64_t pos) {\n\n if (pos == N) {\n\n return true;\n\n } else if (pos > N) {\n\n return false;\n\n }\n\n for (const auto compare : templates) {\n\n const int64_t temp_length = static_cast<int64_t>(compare.length());\n\n if (S.substr(pos, temp_length) == compare) {\n\n const bool is_okay = Dfs(pos + temp_length);\n\n if (is_okay) {\n\n return true;\n\n }\n\n }\n\n }\n\n return false;\n\n}\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n cin >> S;\n\n N = static_cast<int64_t>(S.length());\n\n const bool is_okay = Dfs(0);\n\n if (is_okay) {\n\n cout << \"YES\" << endl;\n\n } else {\n\n cout << \"NO\" << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002759"}1055{"label": "pie_cpp_validation_002760", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 25, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 25, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002760.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002760", "task_path": "tasks/validation/pie_cpp_validation_002760.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#ifdef _DEBUG\n\n#define _CRT_SECURE_NO_WARNINGS\n\n#include \"MyLib.h\"\n\n#else\n\n#define main_C main\n\n#include \"bits/stdc++.h\" \n\n#include <regex>\n\n#define _USE_MATH_DEFINES\n\n#include <math.h>\n\n#define FOR(i,s,e) for (int i = int(s); i < int(e); ++i)\n\n#define REP(i,e) FOR(i,0,e)\n\n#define INF (INT_MAX/2)\n\n#define EPS (1.0e-8)\n\n#define MGN 8\n\n#define LINF (LONG_MAX/2)\n\nusing namespace std;\n\ntypedef long long ll; typedef unsigned long long ull;\n\ntypedef vector<int> vi; typedef vector<vi> vvi;\n\ntypedef vector<ll> vl; typedef vector<vl> vvl;\n\ntypedef vector<double> vd; typedef vector<string> vs;\n\ntypedef pair<int, int> pii; typedef pair<ll, ll> pll;\n\ntypedef vector<bool> vb; typedef vector<vb> vvb;\n\ntemplate <typename T>\n\nusing keyVal = pair<string, T>;\n\ntemplate<typename T>\n\nbool val_greater(const keyVal<T>& left, const keyVal<T>& right) {\n\n return left.second > right.second;\n\n}\n\nvs split(string str, char sep) {\n\n vs v; stringstream ss(str); string t;\n\n while (getline(ss, t, sep)) v.push_back(t);\n\n return v;}\n\nvs re_search_g(string s, regex re) {\n\n vs ret; smatch mc; auto it = s.cbegin();\n\n while (regex_search(it, s.cend(), mc, re)) {\n\n ret.push_back(mc[0]);\n\n it += mc.position(0) + mc.length();}\n\n return ret;}\n\n#endif\n\n\n\nvoid init_global_C() {}\n\n\n\nint main_C() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n string S; cin >> S;\n\n \n\n string r = S;\n\n reverse(r.begin(), r.end());\n\n string ptn[4] = {\"maerd\", \"remaerd\", \"esare\", \"resare\"};\n\n\n\n while(r.size()>0) {\n\n bool match = false;\n\n int N = r.size();\n\n for (string p : ptn){\n\n int L = p.size();\n\n string t = r.substr(0, L);\n\n if (p == t) {\n\n r = r.substr(L, N);\n\n match = true;\n\n break;\n\n }\n\n }\n\n if (!match) break;\n\n }\n\n\n\n string ans = r.size()==0 ? \"YES\" : \"NO\";\n\n cout << ans << endl; \n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002760"}1056{"label": "pie_cpp_validation_002761", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002761.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002761", "task_path": "tasks/validation/pie_cpp_validation_002761.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#ifdef _DEBUG\n\n#define _CRT_SECURE_NO_WARNINGS\n\n#include \"MyLib.h\"\n\n#else\n\n#define main_C main\n\n#include \"bits/stdc++.h\" \n\n#include <regex>\n\n#define _USE_MATH_DEFINES\n\n#include <math.h>\n\n#define FOR(i,s,e) for (int i = int(s); i < int(e); ++i)\n\n#define REP(i,e) FOR(i,0,e)\n\n#define INF (INT_MAX/2)\n\n#define EPS (1.0e-8)\n\n#define MGN 8\n\n#define LINF (LONG_MAX/2)\n\nusing namespace std;\n\ntypedef long long ll; typedef unsigned long long ull;\n\ntypedef vector<int> vi; typedef vector<vi> vvi;\n\ntypedef vector<ll> vl; typedef vector<vl> vvl;\n\ntypedef vector<double> vd; typedef vector<string> vs;\n\ntypedef pair<int, int> pii; typedef pair<ll, ll> pll;\n\ntypedef vector<bool> vb; typedef vector<vb> vvb;\n\ntemplate <typename T>\n\nusing keyVal = pair<string, T>;\n\ntemplate<typename T>\n\nbool val_greater(const keyVal<T>& left, const keyVal<T>& right) {\n\n return left.second > right.second;\n\n}\n\nvs split(string str, char sep) {\n\n vs v; stringstream ss(str); string t;\n\n while (getline(ss, t, sep)) v.push_back(t);\n\n return v;}\n\nvs re_search_g(string s, regex re) {\n\n vs ret; smatch mc; auto it = s.cbegin();\n\n while (regex_search(it, s.cend(), mc, re)) {\n\n ret.push_back(mc[0]);\n\n it += mc.position(0) + mc.length();}\n\n return ret;}\n\n#endif\n\n\n\nvoid init_global_C() {}\n\n\n\n\n\nint main_C() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n \n\n string S; cin >> S;\n\n\n\n regex re(\"(dream|dreamer|erase|eraser)+\");\n\n\n\n string ans = regex_match(S, re) ? \"YES\" : \"NO\";\n\n \n\n cout << ans << endl; \n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002761"}1057{"label": "pie_cpp_validation_002762", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002762.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002762", "task_path": "tasks/validation/pie_cpp_validation_002762.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#ifdef _DEBUG\n\n#define _CRT_SECURE_NO_WARNINGS\n\n#include \"MyLib.h\"\n\n#else\n\n#define main_C main\n\n#include \"bits/stdc++.h\" \n\n#include <regex>\n\n#define _USE_MATH_DEFINES\n\n#include <math.h>\n\n#define FOR(i,s,e) for (int i = int(s); i < int(e); ++i)\n\n#define REP(i,e) FOR(i,0,e)\n\n#define INF (INT_MAX/2)\n\n#define EPS (1.0e-8)\n\n#define MGN 8\n\n#define LINF (LONG_MAX/2)\n\nusing namespace std;\n\ntypedef long long ll; typedef unsigned long long ull;\n\ntypedef vector<int> vi; typedef vector<vi> vvi;\n\ntypedef vector<ll> vl; typedef vector<vl> vvl;\n\ntypedef vector<double> vd; typedef vector<string> vs;\n\ntypedef pair<int, int> pii; typedef pair<ll, ll> pll;\n\ntypedef vector<bool> vb; typedef vector<vb> vvb;\n\ntemplate <typename T>\n\nusing keyVal = pair<string, T>;\n\ntemplate<typename T>\n\nbool val_greater(const keyVal<T>& left, const keyVal<T>& right) {\n\n return left.second > right.second;\n\n}\n\nvs split(string str, char sep) {\n\n vs v; stringstream ss(str); string t;\n\n while (getline(ss, t, sep)) v.push_back(t);\n\n return v;}\n\nvs re_search_g(string s, regex re) {\n\n vs ret; smatch mc; auto it = s.cbegin();\n\n while (regex_search(it, s.cend(), mc, re)) {\n\n ret.push_back(mc[0]);\n\n it += mc.position(0) + mc.length();}\n\n return ret;}\n\n#endif\n\n\n\nvoid init_global_C() {}\n\n\n\nstring S;\n\nint L;\n\nstring P[4] = { \"dream\",\"dreamer\",\"erase\",\"eraser\" };\n\n\n\nbool dfs(int n) {\n\n if (n >= L) return true;\n\n\n\n for(string ptn : P){\n\n int len = ptn.size();\n\n if (n+len<=L && S.substr(n, len) == ptn) {\n\n bool ret = dfs(n + ptn.size());\n\n if (ret) return true;\n\n }\n\n }\n\n\n\n return false;\n\n}\n\n\n\n\n\nint main_C() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n \n\n cin >> S;\n\n L = S.size();\n\n\n\n string ans = dfs(0) ? \"YES\" : \"NO\";\n\n \n\n cout << ans << endl; \n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002762"}1058{"label": "pie_cpp_validation_002763", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002763.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002763", "task_path": "tasks/validation/pie_cpp_validation_002763.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n// https://atcoder.jp/contests/\n\n\n\n#include <bits/stdc++.h>\n\n#define REP(i, n) for (int(i) = 0; (i) < (n); (i)++)\n\n#define REPR(i, n) for (int(i) = (n); (i) >= 0; (i)--)\n\n#define FOR(i, m, n) for (int(i) = (m); (i) < (n); i++)\n\n#define INF 1e9\n\n#define ALL(v) (v).begin(), (v).end()\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nstring s, r, c[] = {\"maerd\", \"remaerd\", \"esare\", \"resare\"};\n\n\n\nbool cut(string &s)\n\n{\n\n bool r = false;\n\n REP(i, 4)\n\n {\n\n if (s.find(c[i]) == 0)\n\n {\n\n s = s.substr(c[i].length());\n\n r = true;\n\n }\n\n }\n\n return r;\n\n}\n\n\n\nint main()\n\n{\n\n cin >> s;\n\n reverse(ALL(s));\n\n\n\n while (0 < s.length())\n\n {\n\n if (!cut(s))\n\n break;\n\n }\n\n\n\n r = s.length() == 0 ? \"YES\" : \"NO\";\n\n\n\n cout << r << '\\n';\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002763"}1059{"label": "pie_cpp_validation_002764", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002764.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002764", "task_path": "tasks/validation/pie_cpp_validation_002764.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n string s;\n\n cin>>s;\n\n string strs[]={\n\n \"dream\",\n\n \"dreamer\",\n\n \"erase\",\n\n \"eraser\"\n\n };\n\n bool dp[100001]={true};\n\n for(int i=0;i<s.size();i++){\n\n for(auto e:strs){\n\n int n=i+e.size();\n\n if(n<=s.size()&&!s.compare(i,e.size(),e)){\n\n\tdp[n]|=dp[i];\n\n }\n\n }\n\n }\n\n cout<<(dp[s.size()]?\"YES\":\"NO\")<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002764"}1060{"label": "pie_cpp_validation_002765", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 16, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 16, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002765.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002765", "task_path": "tasks/validation/pie_cpp_validation_002765.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nconst long long INF = 1LL << 60;\n\n\n\nint main(){\n\n string S;\n\n cin >> S;\n\n string ss = \"\";\n\n\n\n for(int i=S.size()-1; i>=0; i--) {\n\n ss += S[i];\n\n if(ss == \"maerd\") ss=\"\";\n\n else if(ss==\"remaerd\") ss=\"\";\n\n else if(ss==\"esare\") ss=\"\";\n\n else if(ss==\"resare\") ss=\"\";\n\n }\n\n if(ss == \"\") cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002765"}1061{"label": "pie_cpp_validation_002766", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002766.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002766", "task_path": "tasks/validation/pie_cpp_validation_002766.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main() {\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n\n\n string s; cin >> s;\n\n reverse(s.begin(), s.end());\n\n \n\n int pos = 0;\n\n while (pos < s.size()) {\n\n if (s.substr(pos, 5) == \"maerd\" || s.substr(pos, 5) == \"esare\") {\n\n pos += 5;\n\n continue;\n\n }\n\n if (s.substr(pos, 6) == \"resare\") {\n\n pos += 6;\n\n continue;\n\n }\n\n if (s.substr(pos, 7) == \"remaerd\") {\n\n pos += 7;\n\n continue;\n\n }\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002766"}1062{"label": "pie_cpp_validation_002767", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002767.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002767", "task_path": "tasks/validation/pie_cpp_validation_002767.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid fnInput(string& sTarget)\n\n{\n\n cin >> sTarget;\n\n}\n\n\n\nint fnParse(string sTarget)\n\n{\n\n const vector<string> cnvsWord{\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n int ixBgn, ixEnd;\n\n ixBgn = sTarget.size();\n\n\n\n while (ixBgn)\n\n {\n\n bool bRslt = false;\n\n ixEnd = ixBgn;\n\n for (int i = 0; i < cnvsWord.size(); i++)\n\n {\n\n string sWord = \"\";\n\n ixBgn = ixEnd - cnvsWord[i].size();\n\n if (ixBgn < 0) ixBgn = 0;\n\n\n\n for (int j = ixBgn; j < ixEnd; j++)\n\n sWord += sTarget[j];\n\n\n\n if (sWord == cnvsWord[i])\n\n {\n\n bRslt = true;\n\n break;\n\n }\n\n }\n\n if (!bRslt) return 0;\n\n }\n\n return 1;\n\n}\n\n\n\nint main()\n\n{\n\n string sTarget;\n\n \n\n fnInput(sTarget);\n\n if (fnParse(sTarget)) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002767"}1063{"label": "pie_cpp_validation_002768", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002768.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002768", "task_path": "tasks/validation/pie_cpp_validation_002768.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvoid fnInput(string& sTarget)\n\n{\n\n cin >> sTarget;\n\n}\n\n\n\nint fnParse(string sTarget)\n\n{\n\n const vector<string> cnvsWord{\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n int ixBgn, ixEnd;\n\n ixBgn = sTarget.size();\n\n\n\n while (ixBgn)\n\n {\n\n bool bRslt = false;\n\n ixEnd = ixBgn;\n\n for (int i = 0; i < cnvsWord.size(); i++)\n\n {\n\n ixBgn = ixEnd - cnvsWord[i].size();\n\n if (ixBgn < 0) ixBgn = 0;\n\n\n\n if (sTarget.substr(ixBgn, cnvsWord[i].size()) == cnvsWord[i])\n\n {\n\n bRslt = true;\n\n break;\n\n }\n\n }\n\n if (!bRslt) return 0;\n\n }\n\n return 1;\n\n}\n\n\n\nint main()\n\n{\n\n string sTarget;\n\n \n\n fnInput(sTarget);\n\n if (fnParse(sTarget)) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002768"}1064{"label": "pie_cpp_validation_002769", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002769.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002769", "task_path": "tasks/validation/pie_cpp_validation_002769.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define _GLIBCXX_DEBUG\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n\n\nvector<string> divi = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n//string divi[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\treverse(s.begin(), s.end());\n\n\trep(i, 4){\n\n\t\treverse(divi.at(i).begin(), divi.at(i).end());\n\n\t}\n\n\n\n\tbool res = true;\n\n\tfor(int i = 0; i < s.size();){\n\n\t\tbool res2 = false;\n\n\t\tfor(int j = 0; j < 4; j++){\n\n\t\t\tstring d = divi.at(j);\n\n\t\t\tif(d == s.substr(i, d.size())){\n\n\t\t\t\tres2 = true;\n\n\t\t\t\ti += d.size();\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tif(!res2){\n\n\t\t\tres = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\n\n\tif(res) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002769"}1065{"label": "pie_cpp_validation_002770", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002770.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002770", "task_path": "tasks/validation/pie_cpp_validation_002770.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n\n\nint main(){\n\n\tvector<string> divi = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\trep(i, 4) reverse(divi.at(i).begin(), divi.at(i).end());\n\n\treverse(s.begin(), s.end());\n\n\n\n\tbool can = true;\n\n\tfor(int i = 0; i < s.size();){\n\n\t\tbool can2 = false;\n\n\t\tfor(int j = 0; j < 4; j++){\n\n\t\t\tstring d = divi.at(j);\n\n\t\t\tif(d == s.substr(i, d.size())){\n\n\t\t\t\ti += d.size();\n\n\t\t\t\tcan2 = true;\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tif(!can2){\n\n\t\t\tcan = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tif(can) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\t\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002770"}1066{"label": "pie_cpp_validation_002771", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002771.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002771", "task_path": "tasks/validation/pie_cpp_validation_002771.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n\n\nconst string T[] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nconst int Maxn = 100010;\n\nbool dp[Maxn];\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n int n = (int) s.size();\n\n\n\n dp[0] = true;\n\n for (int i = 0; i <= n; ++i) {\n\n if (!dp[i]) continue;\n\n\n\n string tmp = s.substr(i, 5);\n\n if (tmp == T[0] || tmp == T[2]) dp[i + 5] = true;\n\n\n\n tmp = s.substr(i, 6);\n\n if (tmp == T[3]) dp[i + 6] = true;\n\n\n\n tmp = s.substr(i, 7);\n\n if (tmp == T[1]) dp[i + 7] = true;\n\n }\n\n\n\n cout << (dp[n]?\"YES\":\"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002771"}1067{"label": "pie_cpp_validation_002772", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002772.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002772", "task_path": "tasks/validation/pie_cpp_validation_002772.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n string str; cin >> str; std::reverse(str.begin(), str.end());\n\n \n\n string d2 = \"dreamer\"; // odered by greter length\n\n string e2 = \"eraser\";\n\n string d1 = \"dream\";\n\n string e1 = \"erase\";\n\n vector<string> vecDE = {d2, e2, d1, e1};\n\n for(int i=0; i<vecDE.size(); ++i){ std::reverse(vecDE[i].begin(), vecDE[i].end()); }\n\n \n\n for(;;){\n\n bool TF=false;\n\n for(int i=0; i<vecDE.size(); i++){\n\n if(str.compare(0, vecDE[i].size(), vecDE[i])==0){\n\n const char* pStr = str.c_str();\n\n string buf = &pStr[vecDE[i].size()];\n\n swap(str, buf);\n\n TF=true;\n\n break;\n\n }\n\n }\n\n if(TF==false){ cout << \"NO\"; return 0; }\n\n if(str.size()==0){ break; }\n\n }\n\n cout << \"YES\"; \n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002772"}1068{"label": "pie_cpp_validation_002773", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002773.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002773", "task_path": "tasks/validation/pie_cpp_validation_002773.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing ull = unsigned long long;\n\nusing pii = pair<int, int>;\n\nusing pll = pair<ll, ll>;\n\nusing Graph = vector<vector<int>>;\n\nconst int INF = 1e9 + 1;\n\nconst ll LLINF = 1e18;\n\nconst int MOD = 1e9 + 7;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n string S, add[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n cin >> S;\n\n for (int i = S.length() - 5; i >= 0; --i) {\n\n for (int j = 0; j < 4; ++j) {\n\n if (S.substr(i) == add[j]) {\n\n S.erase(S.begin() + i, S.end());\n\n i -= 4;\n\n break;\n\n }\n\n }\n\n }\n\n cout << (S.empty() ? \"YES\" : \"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002773"}1069{"label": "pie_cpp_validation_002774", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002774.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002774", "task_path": "tasks/validation/pie_cpp_validation_002774.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h> \n\nusing namespace std; \n\nstring s; \n\nint main(){\t\n\n\tgetline(cin,s);\n\n\treverse(s.begin(),s.end());\n\n\tfor(int i=0;i<s.size();i++)\n\n\t{\n\n \tif(i+6<=s.size()&&s.substr(i,7)==\"remaerd\") i+=6;\t\n\n\t else {if(i+4<=s.size()&&s.substr(i,5)==\"maerd\") i+=4;\n\n\t\telse {if(i+5<=s.size()&&s.substr(i,6)==\"resare\") i+=5;\n\n\t\telse {if(i+4<=s.size()&&s.substr(i,5)==\"esare\") i+=4;\n\n\t\telse {cout<<\"NO\";return 0;}\n\n\t\t}}}\n\n\t}\n\n\tcout<<\"YES\";\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002774"}1070{"label": "pie_cpp_validation_002775", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002775.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002775", "task_path": "tasks/validation/pie_cpp_validation_002775.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<functional>\n\n#include<cmath>\n\n#include<string>\n\n#include<vector>\n\nusing namespace std;\n\nconst int mod = 1000000007;\n\n#define ll long long\n\n\n\nint main()\n\n{\n\n\tstring S; cin >> S;\n\n\treverse(S.begin(), S.end());\n\n\t//cout << S;\n\n\tstring T[4] = { \"maerd\",\"remaerd\",\"esare\",\"resare\" };\n\n\tint j = 0;\n\n\tbool flag = false;\n\n\twhile (j < S.size()) {\n\n\t\tflag = false;\n\n\t\tfor (int i = 0; i < 4; i++) {\n\n\t\t\tif (S.substr(j, T[i].size()) == T[i]) {\n\n\t\t\t\tj += T[i].size();\n\n\t\t\t\tflag = true;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!flag) {\n\n\t\t\tcout << \"NO\" << endl;\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tcout << \"YES\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002775"}1071{"label": "pie_cpp_validation_002776", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002776.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002776", "task_path": "tasks/validation/pie_cpp_validation_002776.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\nchar a[101000];\n\nint main()\n\n{\n\n ll i,j,k,m,n,x,b;\n\n cin>>a;\n\n n=strlen(a);\n\n for(i=0; i<n; i++)\n\n {\n\n if(a[i]=='e')\n\n {\n\n if(a[i+1]=='r'&&a[i+2]=='a'&&a[i+3]=='s'&&a[i+4]=='e')\n\n {\n\n if(a[i+5]=='r')\n\n i+=5;\n\n else\n\n i+=4;\n\n }\n\n }\n\n else if(a[i]=='d')\n\n {\n\n if(a[i+1]=='r'&&a[i+2]=='e'&&a[i+3]=='a'&&a[i+4]=='m')\n\n {\n\n if(a[i+5]=='e'&&a[i+6]=='r'&&a[i+7]=='a'&&a[i+8]=='s'&&a[i+9]=='e')\n\n i+=4;\n\n else if(a[i+5]=='e'&&a[i+6]=='r')\n\n i+=6;\n\n else\n\n i+=4;\n\n }\n\n }\n\n else\n\n {\n\n cout<<\"NO\"<<endl;\n\n return 0;\n\n }\n\n }\n\n cout<<\"YES\"<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002776"}1072{"label": "pie_cpp_validation_002777", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 52, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 52, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002777.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002777", "task_path": "tasks/validation/pie_cpp_validation_002777.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define MOD 1000000007\n\nusing namespace std;\n\ntypedef long long ll;\n\ntypedef pair<int, int> P;\n\ntypedef tuple<ll, ll, ll> T;\n\n\n\nstring s;\n\n\n\nint main(void){\n\n \n\n cin >> s;\n\n reverse(s.begin(), s.end());\n\n \n\n string ans, temp;\n\n for(int i = 0; i < s.size(); ++i){\n\n temp.push_back(s[i]);\n\n string n = temp; reverse(n.begin(), n.end());\n\n if(n == \"dream\" || n == \"dreamer\" || n == \"erase\" || n == \"eraser\") ans += temp, temp = \"\";\n\n }\n\n printf(\"%s\\n\", (ans == s) ? \"YES\" : \"NO\");\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002777"}1073{"label": "pie_cpp_validation_002778", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002778.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002778", "task_path": "tasks/validation/pie_cpp_validation_002778.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nint main() {\n\n string S, T;\n\n cin >> S;\n\n\n\n string much_ptrn[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\n reverse(S.begin(), S.end());\n\n for (int i=0; i<4; i++) {\n\n reverse(much_ptrn[i].begin(), much_ptrn[i].end());\n\n }\n\n\n\n bool can_solve = true;\n\n for (int i=0; i<S.size();) {\n\n bool is_much = false;\n\n for (int j=0; j<4; j++) {\n\n string pattern = much_ptrn[j];\n\n if (S.substr(i, pattern.size()) == pattern) {\n\n is_much = true;\n\n i += pattern.size();\n\n }\n\n }\n\n if (!is_much) {\n\n can_solve = false;\n\n break;\n\n }\n\n }\n\n if (can_solve) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002778"}1074{"label": "pie_cpp_validation_002779", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002779.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002779", "task_path": "tasks/validation/pie_cpp_validation_002779.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nint dp[100010];\n\nint main(void)\n\n{\n\n\tstring x;\n\n\tcin>>x;\n\n\tdp[0]=1;\n\n\tstring y;\n\n\tfor(int i=0;i<x.length();i++)\n\n\t{\n\n\t\ty=x.substr(i,5);\n\n\t\tif(y==\"dream\")\n\n\t\t{\n\n\t\t\tif(dp[i]==1)\n\n\t\t\t{\n\n\t\t\t\tdp[i+5]=1;\n\n\t\t\t}\n\n\t\t}\t\n\n\t\ty=x.substr(i,7);\n\n\t\tif(y==\"dreamer\")\n\n\t\t{\n\n\t\t\tif(dp[i]==1)\n\n\t\t\t{\n\n\t\t\t\tdp[i+7]=1;\n\n\t\t\t}\n\n\t\t}\n\n\t\ty=x.substr(i,5);\n\n\t\tif(y==\"erase\")\n\n\t\t{\n\n\t\t\tif(dp[i]==1)\n\n\t\t\t{\n\n\t\t\t\tdp[i+5]=1;\n\n\t\t\t}\n\n\t\t}\n\n\t\ty=x.substr(i,6);\n\n\t\tif(y==\"eraser\")\n\n\t\t{\n\n\t\t\tif(dp[i]==1)\n\n\t\t\t{\n\n\t\t\t\tdp[i+6]=1;\n\n\t\t\t}\n\n\t\t}\t\n\n\t}\t\n\n\tif(dp[x.size()]==1)\n\n\t{\n\n\t\tcout <<\"YES\"<<endl;\n\n\t}\n\n\telse\n\n\t{\n\n\t\tcout <<\"NO\"<<endl; \n\n\t}\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002779"}1075{"label": "pie_cpp_validation_002780", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002780.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002780", "task_path": "tasks/validation/pie_cpp_validation_002780.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n\n\n#define rep(i, n) for (int i = 0; i < (int)(n); i++)\n\n#define all(a) (a).begin(),(a).end()\n\n#define pb push_back\n\n#define ppb pop_back\n\n#define INF 1e18\n\ntypedef long long ll;\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nusing namespace std;\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main(int argc,char* argv[])\n\n{\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\ncout.precision(10);\n\n\n\n string s;cin>>s;\n\n\n\n reverse(s.begin(),s.end());\n\n for(int i = 0;i<4;i++)\n\n {\n\n reverse(divide[i].begin(),divide[i].end());\n\n }\n\n\n\n bool can = true;\n\n for(int i = 0;i<s.size();)\n\n {\n\n bool can2 = false;\n\n for(int j = 0;j<4;j++)\n\n {\n\n string d = divide[j];\n\n if(s.substr(i,d.size()) == d)\n\n {\n\n can2 = true;\n\n i += d.size();\n\n }\n\n }\n\n if(!can2)\n\n {\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can)\n\n cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002780"}1076{"label": "pie_cpp_validation_002781", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002781.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002781", "task_path": "tasks/validation/pie_cpp_validation_002781.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<vector>\n\n#include<algorithm>\n\n#include<cctype>\n\n#include<utility>\n\n#include<string>\n\n#include<cstdio>\n\n\n\n#define REP(n) for(int i = 0;i < n;i++)\n\n#define LLREP(n) for(long long int i = 0;i < n;i++)\n\ntypedef long long int ll;\n\nusing namespace std;\n\n#define MAX_A 1000000007\n\n\n\nint main(){\n\n\n\n bool exist = true;\n\n //bool match = true;\n\n string s;\n\n cin >> s;\n\n reverse(s.begin(),s.end());\n\n //cout << s << endl;\n\n\n\n string a(\"maerd\");\n\n string b(\"remaerd\");\n\n string c(\"esare\");\n\n string d(\"resare\");\n\n //cout << a << endl;\n\n \n\n for(int i = 0;i < s.length();){\n\n //cout << i << endl;\n\n if(i == s.length()){\n\n break;\n\n }\n\n if(s.substr(i,5) == a){\n\n i+=5;\n\n }else if(s.substr(i,7) == b){\n\n i+=7;\n\n }else if(s.substr(i,5) == c){\n\n i+=5;\n\n }else if(s.substr(i,6) == d){\n\n i+=6;\n\n }else{\n\n exist = false;\n\n break;\n\n }\n\n }\n\n\n\n if(exist){\n\n cout << \"YES\" << endl;\n\n }else{\n\n cout << \"NO\" << endl;\n\n }\n\n \n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002781"}1077{"label": "pie_cpp_validation_002782", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002782.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002782", "task_path": "tasks/validation/pie_cpp_validation_002782.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#define _CRT_SECURE_NO_WARNINGS\n\n#include <limits.h>\n\n#include <math.h>\n\n#include <stdio.h>\n\n#include <array>\n\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <deque>\n\n#include <set>\n\n#include <map>\n\n#include <algorithm>\n\n#include <bitset>\n\n#include <utility>\n\n#include <assert.h>\n\n#include <regex>\n\nusing namespace std;\n\n\n\ntypedef unsigned long long ull;\n\ntypedef signed long long ll;\n\n#define INF (1LL << 48)\n\n\n\nstruct PT { ll x; ll y; };\n\nstring to_s(ull x) { return to_string(x); }\n\nstring to_s(ll x) { return to_string(x); }\n\nll to_ll(const string& x) { return stoll(x); }\n\null to_ull(const string& x) { return stoull(x); }\n\n\n\n\n\n\n\n\n\nint main(int argc, char* argv[])\n\n{\n\n\tfor (;;) {\n\n\t\tstring S;\n\n\t\tcin >> S;\n\n\t\tif (cin.fail()) break;\n\n\n\n\t\tS = std::regex_replace(S, std::regex(\"eraser\"), \"\");\n\n\t\tS = std::regex_replace(S, std::regex(\"erase\"), \"\");\n\n\t\tS = std::regex_replace(S, std::regex(\"dreamer\"), \"\");\n\n\t\tS = std::regex_replace(S, std::regex(\"dream\"), \"\");\n\n\t\tputs(S.empty() ? \"YES\" : \"NO\");\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002782"}1078{"label": "pie_cpp_validation_002783", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002783.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002783", "task_path": "tasks/validation/pie_cpp_validation_002783.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#define _CRT_SECURE_NO_WARNINGS\n\n#include <limits.h>\n\n#include <math.h>\n\n#include <stdio.h>\n\n#include <array>\n\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <deque>\n\n#include <set>\n\n#include <map>\n\n#include <algorithm>\n\n#include <bitset>\n\n#include <utility>\n\n#include <assert.h>\n\n#include <regex>\n\nusing namespace std;\n\n\n\ntypedef unsigned long long ull;\n\ntypedef signed long long ll;\n\n#define INF (1LL << 48)\n\n\n\nstruct PT { ll x; ll y; };\n\nstring to_s(ull x) { return to_string(x); }\n\nstring to_s(ll x) { return to_string(x); }\n\nll to_ll(const string& x) { return stoll(x); }\n\null to_ull(const string& x) { return stoull(x); }\n\n\n\n\n\n\n\n\n\nint main(int argc, char* argv[])\n\n{\n\n\tfor (;;) {\n\n\t\tstring S;\n\n\t\tcin >> S;\n\n\t\tif (cin.fail()) break;\n\n std::reverse(S.begin(), S.end());\n\n\t\tputs(\n\n std::regex_replace(S, std::regex(\"(maerd|remaerd|esare|resare)\"), \"\")\n\n\t\t.empty() ? \"YES\" : \"NO\");\n\n\t}\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002783"}1079{"label": "pie_cpp_validation_002784", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 28, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 28, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002784.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002784", "task_path": "tasks/validation/pie_cpp_validation_002784.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define double long double\n\n#define REP(i,x,n) for(int i=x;i<(int)n;i++)\n\n#define rep(i,n) REP(i,0,n)\n\n#define sp(p) cout<<setprecision(16)<<fixed<<p<<endl;\n\n#define debug(x) cerr<<#x<<\": \"<<x<<endl;\n\n#define all(a) a.begin(),a.end()\n\n#define rall(a) a.rbegin(),a.rend()\n\n#define SORT(a) sort(all(a))\n\n#define RSORT(a) sort(rall(a))\n\n#define UNIQ(a) unique(all(a))\n\n#define vout(v) for(int i=0;i<(int)v.size()-1;i++){cout<<v[i]<<\" \";}cout<<v[v.size()-1]<<\"\\n\";\n\n#define debg(a) cout<<#a<<\" \"<<a<<endl;\n\n#define show(a) for(cont &y:a){for(cont &x:y){cout<<x<<\" \";}cout<<endl;}\n\ntemplate<class T>inline int out(const T &t){ print(t); putchar('\\n'); return 0; }\n\ntemplate<class T>inline T gcd(T a,T b){if(b==0)return a; return(gcd(b,a%b));}\n\ntemplate<class T>inline T lcm(T a,T b){return a/gcd(a,b)*b;}\n\ntypedef long long ll;\n\ntypedef pair<ll,ll> P;\n\ntypedef vector<ll> V;\n\nconst long long MOD=1000000007;\n\nconst long long INF = 1e18;\n\nvector <ll> dp;\n\n\n\nconst string YES = \"YES\";\n\nconst string NO = \"NO\";\n\n\n\nvoid solve_old(std::string S){\n\n regex re(\"(dreamer|dream|eraser|erase)*\");\n\n if(regex_match(S, re)){\n\n cout << YES << \"\\n\";\n\n }else{\n\n cout << NO << \"\\n\";\n\n }\n\n}\n\n\n\nvoid solve(std::string S){\n\n regex re(\"(dreamer|dream|eraser|erase)*\");\n\n cout << (regex_match(S, re) ? YES : NO) << \"\\n\";\n\n}\n\n\n\nint main(){\n\n std::string S;\n\n std::cin >> S;\n\n solve(S);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002784"}1080{"label": "pie_cpp_validation_002785", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002785.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002785", "task_path": "tasks/validation/pie_cpp_validation_002785.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n//\n\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\n\n\n// #define MOD 1000000007\n\n#define rp(i,n) for(int i=0;i<(n);i++)\n\n#define up(i,s,e,d) for(int i=(s);i<(e);i+=(d))\n\n// #define ot(x) cout<<(x)\n\n#define ote(x) cout<<(x)<<endl\n\n\n\nint main(){\n\n\tstring s; cin>>s;\n\n\tmap<string,string> T{\n\n\t\t{\"erase\",\"esare\"},\n\n\t\t{\"eraser\",\"resare\"},\n\n\t\t{\"dream\",\"maerd\"},\n\n\t\t{\"dreamer\",\"remaerd\"},\n\n\t};\n\n\t// ote(s);\n\n\treverse(s.begin(),s.end());\n\n\t// ote(s);//\n\n\tbool ok = true;\n\n\tint i = 0;\n\n\twhile(i<s.size()){\n\n\t\tif(s[i]=='r'){\n\n\t\t\tstring s6 = s.substr(i,6);\n\n\t\t\tstring s7 = s.substr(i,7);\n\n\t\t\tif(T[\"eraser\"]==s6){\n\n\t\t\t\ti += 6;\n\n\t\t\t}\n\n\t\t\telse if(T[\"dreamer\"]==s7){\n\n\t\t\t\ti += 7;\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tok = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if(s[i]=='m'){\n\n\t\t\tstring s5 = s.substr(i,5);\n\n\t\t\tif(T[\"dream\"]==s5){\n\n\t\t\t\ti += 5;\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tok = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if(s[i]=='e'){\n\n\t\t\tstring s5 = s.substr(i,5);\n\n\t\t\tif(T[\"erase\"]==s5){\n\n\t\t\t\ti += 5;\n\n\t\t\t}\n\n\t\t\telse{\n\n\t\t\t\tok = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\telse{\n\n\t\t\tote(s.substr(i));\n\n\t\t\tok = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tote(ok?\"YES\":\"NO\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002785"}1081{"label": "pie_cpp_validation_002786", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002786.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002786", "task_path": "tasks/validation/pie_cpp_validation_002786.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n// C - \u767d\u663c\u5922 / Daydream\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tvector<string> T{\"dreamer\",\"eraser\",\"erase\",\"dream\",};\n\n\tfor(auto &p:T){ reverse(p.begin(), p.end()); }\n\n\n\n\tstring s; cin>>s;\n\n\treverse(s.begin(), s.end());\n\n\n\n\tstring ans;\n\n\tint i = 0;\n\n\twhile(i<s.size()){\n\n\t\tans = \"NO\";\n\n\t\tint j;\n\n\t\tfor(j=0; j<4; ++j){\n\n\t\t\tif(T[j]==s.substr(i,T[j].size())){\n\n\t\t\t\tans=\"YES\";\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(ans==\"NO\") break;\n\n\t\ti += T[j].size();\n\n\t}\n\n\tcout<< ans <<endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002786"}1082{"label": "pie_cpp_validation_002787", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002787.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002787", "task_path": "tasks/validation/pie_cpp_validation_002787.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\treverse(s.begin(), s.end());\n\n\tfor (int i = 0; i < 4; i++) reverse(divide[i].begin(), divide[i].end());\n\n\n\n\tbool can = 1;\n\n\tfor (int i = 0; i < s.size();) {\n\n\t\tbool can2 = 0;\n\n\t\tfor (int j = 0; j < 4; j++) {\n\n\t\t\tstring d = divide[j];\n\n\t\t\tif (s.substr(i, d.size()) == d) {\n\n\t\t\t\tcan2 = 1;\n\n\t\t\t\ti += d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!can2) {\n\n\t\t\tcan = 0;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\n\n\tif (can) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002787"}1083{"label": "pie_cpp_validation_002788", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002788.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002788", "task_path": "tasks/validation/pie_cpp_validation_002788.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define rep(i, n) for (int i = (int)(0); i < (int)(n); ++i)\n\n#define reps(i, n) for (int i = (int)(1); i <= (int)(n); ++i)\n\n#define rrep(i, n) for (int i = ((int)(n)-1); i >= 0; i--)\n\n#define rreps(i, n) for (int i = ((int)(n)); i > 0; i--)\n\n#define irep(i, m, n) for (int i = (int)(m); i < (int)(n); ++i)\n\n#define ireps(i, m, n) for (int i = (int)(m); i <= (int)(n); ++i)\n\n#define FOR(e, c) for (auto &e : c)\n\n#define SORT(v, n) sort(v, v + n);\n\n#define vsort(v) sort(v.begin(), v.end());\n\n#define rvisort(v) sort(v.begin(), v.end(), greater<int>());\n\n#define all(v) v.begin(), v.end()\n\n#define mp(n, m) make_pair(n, m);\n\n#define cout(d) cout<<d<<endl;\n\n#define coutd(d) cout<<std::setprecision(10)<<d<<endl;\n\n#define cinline(n) getline(cin,n);\n\n#define replace_all(s, b, a) replace(s.begin(),s.end(), b, a);\n\n// #define int long long\n\n#define PI (acos(-1))\n\n#define FILL(v, n, x) fill(v, v + n, x);\n\n#define sz(x) int(x.size())\n\n\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing vvll = vector<vll>;\n\nusing pii = pair<int, int>;\n\nusing ul = unsigned long;\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }\n\n\n\nll GCD(ll a, ll b) { return b ? GCD(b, a%b) : a; }\n\nll LCM(ll a, ll b) { return a / GCD(a, b)* b; }\n\n\n\nconst int dy[] = {0, 1, 0, -1, -1, 1, 1, -1};\n\nconst int dx[] = {1, 0, -1, 0, 1, 1, -1, -1};\n\n\n\ninline bool inside(int y, int x, int H, int W) {\n\n return (y >= 0 && x >= 0 && y < H && x < W);\n\n}\n\n\n\nconst int INF = 1e9;\n\nconst int MOD = 1e9+7;\n\nconst ll LINF = 1e18;\n\n\n\nsigned main()\n\n{\n\n cin.tie( 0 ); ios::sync_with_stdio( false );\n\n string s; cin>>s;\n\n \n\n string a=\"dream\";\n\n string b=\"dreamer\";\n\n string c=\"erase\";\n\n string d=\"eraser\";\n\n \n\n int n=s.size();\n\n int i=n;\n\n bool flg=true;\n\n while(i>0){\n\n if(i<5){\n\n flg=false;\n\n break;\n\n }\n\n if(s.substr(i-5,5)==\"dream\"||s.substr(i-5,5)==\"erase\"){\n\n i-=5;\n\n }else if(s.substr(i-6,6)==\"eraser\"){\n\n i-=6;\n\n }else if(s.substr(i-7,7)==\"dreamer\"){\n\n i-=7;\n\n }else{\n\n flg=false;\n\n break;\n\n }\n\n }\n\n if(flg) cout<<\"YES\"<<endl;\n\n else cout<<\"NO\"<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002788"}1084{"label": "pie_cpp_validation_002789", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 52, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 52, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002789.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002789", "task_path": "tasks/validation/pie_cpp_validation_002789.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <array>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <climits>\n\n#include <cfloat>\n\n#include <map>\n\n#include <utility>\n\n#include <set>\n\n#include <iostream>\n\n#include <memory>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <sstream>\n\n#include <deque>\n\n#include <complex>\n\n#include <stack>\n\n#include <queue>\n\n#include <cstdio>\n\n#include <cctype>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <iterator>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <list>\n\n#include <iomanip>\n\nusing namespace std;\n\n\n\n\n\ntypedef long long LL;\n\ntypedef pair<int,int> pii;\n\ntypedef pair<LL,LL> pll;\n\n\n\ntypedef vector<int> vint;\n\ntypedef vector<vector<int> > vvint;\n\ntypedef vector<long long> vll, vLL;\n\ntypedef vector<vector<long long> > vvll, vvLL;\n\n\n\n#define VV(T) vector<vector< T > >\n\n\n\ntemplate <class T>\n\nvoid initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){\n\n\tv.assign(a, vector<T>(b, t));\n\n}\n\n\n\ntemplate <class F, class T>\n\nvoid convert(const F &f, T &t){\n\n\tstringstream ss;\n\n\tss << f;\n\n\tss >> t;\n\n}\n\n\n\n\n\n#define REP(i,n) for(int i=0;i<int(n);++i)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define RALL(v) (v).rbegin(),(v).rend()\n\n#define PB push\n\n\n\n\n\n#define MOD 1000000007LL\n\n#define EPS 1e-10\n\n\n\narray<string, 4> keywords = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nbool Solve(const string& S)\n\n{\n\n if (S.empty()) return true;\n\n\n\n for (const string& keyword : keywords)\n\n {\n\n if (S.find(keyword) == 0)\n\n {\n\n if (Solve(S.substr(keyword.length())))\n\n {\n\n return true;\n\n }\n\n }\n\n }\n\n\n\n return false;\n\n}\n\n\n\nbool Solve2(const string& S)\n\n{\n\n queue<string> que;\n\n que.push(S);\n\n while (!que.empty())\n\n {\n\n string s = que.front();\n\n if (s.empty())\n\n {\n\n return true;\n\n }\n\n que.pop();\n\n for (const auto& keyword : keywords)\n\n {\n\n if (s.find(keyword) == 0)\n\n {\n\n que.push(s.substr(keyword.length()));\n\n }\n\n }\n\n }\n\n return false;\n\n}\n\n\n\nint main()\n\n{\n\n string S;\n\n cin >> S;\n\n cout << (Solve2(S) ? \"YES\" : \"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002789"}1085{"label": "pie_cpp_validation_002790", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002790.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002790", "task_path": "tasks/validation/pie_cpp_validation_002790.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<stack>\n\n#include<map>\n\n#include<utility>\n\n#include<vector>\n\n#include<cmath>\n\n#include <algorithm>\n\n\n\nusing namespace std;\n\n\n\nint main(){\n\n\n\n\tstring S,temp;\n\n\ttypedef pair<string, int> P;\n\n\tvector <P> arry (4);\n\n\n\n\tarry[0].first=\"dreamer\"; arry[0].second=arry[0].first.size();\n\n\tarry[1].first=\"dream\"; arry[1].second=arry[1].first.size();\n\n\tarry[2].first=\"eraser\"; arry[2].second=arry[2].first.size();\n\n\tarry[3].first=\"erase\"; arry[3].second=arry[3].first.size();\n\n\n\n\t//stack<string> temp;\n\n\n\n\t\n\n\tcin >> S;\n\n\n\n\tint num=0,ss;\n\n\tbool flag =0;\n\n\n\n\n\n\treverse(S.begin(),S.end());\n\n\n\n\tfor(int i=0; i<4; i++) reverse(arry[i].first.begin(),arry[i].first.end());\n\n\n\n\n\n\twhile(temp !=S ){\n\n\n\n\t\n\n\n\n\t\tfor(int i=0; i<4;i++){\n\n\n\n\t\tflag=0;\n\n\n\n\t\t\t//cout << i <<\" \" <<temp <<\" \" << arry[i].first<< \" \" << S.substr(num,arry[i].second) << \" \" <<num <<\" \" <<arry[i].second+num <<\" \"<<S.size()<<\" \" << temp.size()+arry[i].second<<endl;\n\n\t\t\tif(arry[i].first == S.substr(num,arry[i].second) && S.size() >= temp.size()+arry[i].second){\n\n\n\n\n\n\t\t\t\t//temp+=arry[i].first;\n\n\t\t\t\ttemp.insert(num,arry[i].first);\n\n\t\t\t\t//cout << temp <<endl;\n\n\t\t\t\tnum += arry[i].second;\n\n\t\t\t\t//cout <<S.substr(num,arry[i].second=arry[i].first.size()) <<endl;\n\n\t\t\t\tflag=1;\n\n\t\t\t\tbreak;\n\n\t\t\n\n\t\t\t}\n\n\t\t\t\n\n\t\t\t\n\n\t\t}\n\n\t\tif(flag==0) break;\n\n\n\n\t//\tcout <<temp <<\" \"<<S <<endl;\n\n\n\n\t}\n\n\n\n\tif(S==temp)cout <<\"YES\" <<endl;\n\n\n\n\telse cout << \"NO\" <<endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002790"}1086{"label": "pie_cpp_validation_002791", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002791.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002791", "task_path": "tasks/validation/pie_cpp_validation_002791.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <map>\n\n#include <algorithm>\n\n#include <sstream>\n\n#include <iomanip>\n\n#define rep(i,n) for (int i = 0; i < (n); ++i)\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<int, int>;\n\nconst int iINF = 100100100;\n\nconst ll llINF = 1LL << 60;\n\nstring s = \"\";\n\nint Size;\n\nll chmin(ll a, ll b)\n\n{\n\n\treturn a > b ? b : a;\n\n}\n\nbool getPos(int pos)\n\n{\n\n\t//cout << \"pos : \" << pos << endl;\n\n\tif (pos == Size)\treturn true;\n\n\tif (pos > Size)\treturn false;\n\n\tint tmpPos;\n\n\tauto dreamItr = s.find(\"dream\", pos);\n\n\tauto dreamerItr = s.find(\"dreamer\", pos);\n\n\tauto eraseItr = s.find(\"erase\", pos);\n\n\tauto eraserItr = s.find(\"eraser\", pos);\n\n\t//cout << dreamItr << endl;\n\n\t//cout << dreamerItr << endl;\n\n\t//cout << eraseItr << endl;\n\n\t//cout << eraserItr << endl;\n\n\tbool ok = false;\n\n\tif (pos == dreamItr) {\n\n\t\tif (getPos(pos + 5)) return true;\n\n\t}\n\n\tif (pos == dreamerItr) {\n\n\t\tif (getPos(pos + 7)) return true;\n\n\t}\n\n\tif (pos == eraseItr) {\n\n\t\tif (getPos(pos + 5)) return true;\n\n\t}\n\n\tif (pos == eraserItr) {\n\n\t\tif (getPos(pos + 6)) return true;\n\n\t}\n\n\tif (!ok)\treturn false;\n\n}\n\nint main()\n\n{\n\n\tcin >> s;\n\n\tauto dreamItr = s.find(\"dream\");\n\n\tauto dreamerItr = s.find(\"dreamer\");\n\n\tauto eraseItr = s.find(\"erase\");\n\n\tauto eraserItr = s.find(\"eraser\");\n\n\tSize = s.size();\n\n\tgetPos(0);\n\n\tif (getPos(0))\tcout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002791"}1087{"label": "pie_cpp_validation_002792", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 51, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 51, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002792.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002792", "task_path": "tasks/validation/pie_cpp_validation_002792.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstring>\n\n#include <array>\n\nusing namespace std;\n\n\n\nconst string dream = \"maerd\";\n\nconst string dreamer = \"remaerd\";\n\nconst string erase = \"esare\";\n\nconst string eraser = \"resare\";\n\n\n\nconst array<string, 4> words = {dream, dreamer, erase, eraser};\n\n\n\nint main() {\n\n char c;\n\n string S;\n\n\n\n while (cin >> c) {\n\n S.insert(0, 1, c);\n\n }\n\n\n\n while(1) {\n\n const string current = S;\n\n for(const auto w: words) {\n\n if (S.find(w) == 0) {\n\n S.erase(0, w.length());\n\n }\n\n }\n\n if (S.empty()) {\n\n cout << \"YES\";\n\n return 0;\n\n } else if(current == S) {\n\n cout << \"NO\";\n\n return 0;\n\n }\n\n }\n\n\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002792"}1088{"label": "pie_cpp_validation_002793", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002793.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002793", "task_path": "tasks/validation/pie_cpp_validation_002793.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define INF (1<<30)\n\n#define INFLL (1ll<<60)\n\ntypedef pair<ll, int> P;\n\n#define MOD (1000000007ll)\n\n\n\nll sq(ll x){\n\n\treturn x*x;\n\n}\n\n\n\nbool isvowel(char c){\n\n\tint i;\n\n\tstring v=\"aeiou\";\n\n\tfor(i = (v.size()-1); i>=0; --i){\n\n\t\tif(c == v[i]){\n\n\t\t\treturn true;\n\n\t\t}\n\n\t}\n\n\treturn false;\n\n}\n\n\n\nint main(void){\n\n\tint i,p,l[4]={5,7,5,6};\n\n\tstring s,d[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\tbool flag,ans = true;\n\n\tcin >> s;\n\n\tp = s.length();\n\n\twhile(p > 0){\n\n\t\tflag = true;\n\n\t\tfor(i=0; i<4; ++i){\n\n\t\t\tif(l[i] > p){\n\n\t\t\t\tcontinue;\n\n\t\t\t}\n\n\t\t\tif(s.substr(p-l[i],l[i]) == d[i]){\n\n\t\t\t\tp -= l[i];\n\n\t\t\t\tflag = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(flag){\n\n\t\t\tans = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tcout << ((ans)?\"YES\":\"NO\") << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002793"}1089{"label": "pie_cpp_validation_002794", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002794.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002794", "task_path": "tasks/validation/pie_cpp_validation_002794.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <cmath>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\n#define rep(i, n) for (ll i = 0; i < (n); ++i)\n\n//#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n#define sz(x) ll(x.size())\n\n//typedef pair<int, int> P;\n\ntypedef pair<ll, ll> P;\n\n//const double INF = 1e10;\n\n//const ll INF = LONG_LONG_MAX;\n\nconst ll MINF = LONG_LONG_MIN;\n\nconst int INF = INT_MAX;\n\n#define cmin(x, y) x = min(x, y)\n\n#define cmax(x, y) x = max(x, y)\n\n\n\nbool contain(set<char> &s, int a) { return s.find(a) != s.end(); }\n\n\n\n\n\n//ifstream myfile(\"C:\\\\Users\\\\riku\\\\Downloads\\\\0_00.txt\");\n\n//ofstream outfile(\"log.txt\");\n\n//outfile << setw(6) << setfill('0') << prefecture << setw(6) << setfill('0') << rank << endl;\n\n// std::cout << std::bitset<8>(9);\n\n\n\ntypedef priority_queue<ll, vector<ll>, greater<ll>> PQ_ASK;\n\nconst int mod = 1000000007;\n\n\n\nint main() {\n\n\n\n string s;\n\n cin >> s;\n\n vector<bool> dp(s.size() + 1, false);\n\n vector<string> word = {\"dream\", \"dreamer\", \"erase\", \"eraser\",};\n\n dp[0] = true;\n\n\n\n for (int i = 0; i < s.size(); i++) {\n\n if (!dp[i]) continue;\n\n for (string w : word) {\n\n string sub_str = s.substr(i, w.size());\n\n if (sub_str == w) {\n\n dp[i + w.size()] = true;\n\n }\n\n }\n\n }\n\n\n\n cout << (dp.back() ? \"YES\" : \"NO\") << endl;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002794"}1090{"label": "pie_cpp_validation_002795", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002795.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002795", "task_path": "tasks/validation/pie_cpp_validation_002795.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define dump(x) cout << (x) << endl\n\ntypedef long long ll;\n\ntypedef pair<int, int> pi;\n\ntypedef vector<int> V;\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n string word[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n reverse(s.begin(), s.end());\n\n for (int i = 0; i < 4; i++) reverse(word[i].begin(), word[i].end());\n\n bool judge = true;\n\n for (int i = 0; i < (int)s.size();) {\n\n bool c = true;\n\n for (int j = 0; j < 4; j++) {\n\n if (s.substr(i, (int)word[j].size()) == word[j]) {\n\n\tc = false;\n\n\ti += (int)word[j].size();\n\n }\n\n }\n\n if (c) {\n\n judge = false;\n\n break;\n\n }\n\n }\n\n dump(judge ? \"YES\" : \"NO\");\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002795"}1091{"label": "pie_cpp_validation_002796", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002796.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002796", "task_path": "tasks/validation/pie_cpp_validation_002796.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <utility>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nconst vector<string> targets = {\n\n\t\"dreameraser\",\n\n\t\"dreamerase\",\n\n\t\"dreamer\",\n\n\t\"dream\",\n\n\t\"eraser\",\n\n\t\"erase\"\n\n};\n\n\n\nint main() {\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\tint idx = 0;\n\n\n\n\twhile (idx < s.size()) {\n\n\t\tbool updates = false;\n\n\t\tfor (auto t: targets) {\n\n\t\t\tstring u = s.substr(idx, t.size());\n\n\t\t\tif (u == t) {\n\n\t\t\t\tidx += u.size();\n\n\t\t\t\tupdates = true;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\n\n\t\tif (!updates) {\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\n\n\tcout << (idx == s.size() ? \"YES\" : \"NO\") << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002796"}1092{"label": "pie_cpp_validation_002797", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002797.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002797", "task_path": "tasks/validation/pie_cpp_validation_002797.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\nint main(){\n\n string s,t = \"\";\n\n cin >> s;\n\n string u = s;\n\n s += \" \";\n\n int i = 0;\n\n //cout << \"01234567890123456789\" << endl;\n\n //cout << s << \":\" << endl;\n\n while(1){\n\n if(s.substr(i,5) == \"dream\"){\n\n i += 5;\n\n if(s.substr(i,2) == \"er\"){\n\n if(s.substr(i+2,1) == \"d\"){\n\n i += 2;\n\n t += \"dreamer\";\n\n }else if(s.substr(i+2,1) == \"e\"){\n\n i += 2;\n\n t += \"dreamer\";\n\n }else if(s.substr(i+2,1) == \"a\"){\n\n t += \"dream\";\n\n }else if(s.substr(i+2,1) == \" \"){\n\n i += 2;\n\n t += \"dreamer\";\n\n }\n\n }else if(s.substr(i,1) == \"d\"){\n\n t += \"dream\";\n\n }else if(s.substr(i,1) == \" \"){\n\n t += \"dream\";\n\n }\n\n }\n\n\n\n else if(s.substr(i,5) == \"erase\"){\n\n i += 5;\n\n if(s.substr(i,1) == \"r\"){\n\n i += 1;\n\n t += \"eraser\";\n\n }else if(s.substr(i,1) == \"e\"){\n\n t += \"erase\";\n\n }else if(s.substr(i,1) == \"d\"){\n\n t += \"erase\";\n\n }else if(s.substr(i,1) == \" \"){\n\n t += \"erase\";\n\n }\n\n }\n\n else break;\n\n if(s.substr(i,1) == \" \")break;\n\n }\n\n //cout << t << \":\" << endl;\n\n //cout << u << \":\" << endl;\n\n\n\n if(u == t)cout << \"YES\" <<endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002797"}1093{"label": "pie_cpp_validation_002798", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002798.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002798", "task_path": "tasks/validation/pie_cpp_validation_002798.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<algorithm>\n\n#include<vector>\n\n#include<queue>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i,n) for(int i = 0; i < (n); ++i)\n\nint main() {\n\n string s;\n\n cin >> s;\n\n string tmp_s;\n\n for ( int i = s.length() -1 ; i >= 0; --i ) {\n\n tmp_s = s[i] + tmp_s;\n\n if ( tmp_s.length() < 5 ) continue;\n\n if ( tmp_s.substr(tmp_s.length()-5, 5) == \"dream\" || tmp_s.substr(tmp_s.length()-5, 5) == \"erase\" ) {\n\n tmp_s = tmp_s.substr(0, tmp_s.length()-5);\n\n }\n\n if ( tmp_s.length() < 6 ) continue;\n\n else if ( tmp_s.substr(tmp_s.length()-6, 6) == \"eraser\" ) {\n\n tmp_s = tmp_s.substr(0, tmp_s.length() - 6);\n\n }\n\n if ( tmp_s.length() < 7 ) continue;\n\n else if ( tmp_s.substr(tmp_s.length()-7, 7) == \"dreamer\" ) {\n\n tmp_s = tmp_s.substr(0, tmp_s.length() - 7);\n\n }\n\n }\n\n if ( tmp_s == \"\" ) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002798"}1094{"label": "pie_cpp_validation_002799", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002799.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002799", "task_path": "tasks/validation/pie_cpp_validation_002799.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n/* typedef */\n\ntypedef long long ll;\n\ntypedef pair<int, int> pii;\n\n/* constant */\n\nconst int INF = 1 << 30;\n\nconst ll LINF = 1LL << 50;\n\nconst int NIL = -1;\n\nconst int MAX = 10000;\n\nconst int mod = 1000000007;\n\nconst double pi = 3.141592653589;\n\n/* global variables */\n\nvector<string> r{\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n/* function */\n\n/* main */\n\nint main(){\n\n string S;\n\n cin >> S;\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < r.size(); i++) reverse(r[i].begin(), r[i].end());\n\n\n\n bool can;\n\n\n\n for (int i = 0;;) {\n\n can = false;\n\n for (string s : r) {\n\n if (i + s.size() > S.size()) continue;\n\n if (S.substr(i, s.size()) == s) {\n\n can = true;\n\n i += s.size();\n\n break;\n\n }\n\n }\n\n if (can == false) {\n\n cout << \"NO\" << '\\n';\n\n return 0;\n\n }\n\n if (S.size() - 5 < i && i < S.size()) {\n\n cout << \"NO\" << '\\n';\n\n return 0;\n\n }\n\n else if (i == S.size()) {\n\n cout << \"YES\" << '\\n';\n\n return 0;\n\n }\n\n else if (i > S.size()) {\n\n cout << \"NO\" << '\\n';\n\n return 0;\n\n }\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002799"}1095{"label": "pie_cpp_validation_002800", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002800.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002800", "task_path": "tasks/validation/pie_cpp_validation_002800.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<vector>\n\n#include<set>\n\n#include<map>\n\n#include<utility>\n\n#include<algorithm>\n\n#include<cmath>\n\n#include<climits>\n\nusing namespace std;\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\twhile(s.size()){\n\n\t\tif(s.rfind(\"dream\") == s.size()-5 && s.size() >= 5) //s.size()>=5\u304c\u306a\u3044\u3068\u3001s.rfind(\"dream\")==string::npos && s.size()-5==-1\u3067true\u306b\u306a\u308b\n\n\t\t\ts.erase(s.size()-5, 5);\t\t\t\t\t\t\t//-1\u756a\u76ee\u306e\u8981\u7d20\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3057\u3066\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\n\n\t\telse if(s.rfind(\"dreamer\") == s.size()-7 && s.size() >= 7)\n\n\t\t\ts.erase(s.size()-7, 7);\n\n\t\telse if(s.rfind(\"erase\") == s.size()-5 && s.size() > 4)\n\n\t\t\ts.erase(s.size()-5, 5);\n\n\t\telse if(s.rfind(\"eraser\") == s.size()-6 && s.size() > 5)\n\n\t\t\ts.erase(s.size()-6, 6);\n\n\t\telse\n\n\t\t\tbreak;\n\n\t}\n\n\tif(s.size())\n\n\t\tcout << \"NO\" << endl;\n\n\telse\n\n\t\tcout << \"YES\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002800"}1096{"label": "pie_cpp_validation_002801", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002801.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002801", "task_path": "tasks/validation/pie_cpp_validation_002801.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i = 0; i < (int)(n); i++)\n\n#define rrep(ri,n) for(int ri = (int)(n-1); ri >= 0; ri--)\n\n#define rep2(i,x,n) for(int i = (int)(x); i < (int)(n); i++)\n\n#define repit(itr,x) for(auto itr = x.begin(); itr != x.end(); itr++)\n\n#define rrepit(ritr,x) for(auto ritr = x.rbegin(); ritr != x.rend(); ritr++)\n\n#define ALL(n) begin(n), end(n)\n\nusing ll = long long;\n\nusing namespace std;\n\n\n\nint main(){\n\n\tstring s;\n\n\tcin >> s;\n\n\tvector<string> ss = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\tbool ans = true;\n\n\twhile(ans){\n\n\t\tif(s.size() < 3){\n\n\t\t\tcout << \"NO\" << endl;\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t\tstring id = s.substr(s.size()-3);\n\n\t\tans = false;\n\n\t\trep(i, 4){\n\n\t\t\tstring ch = ss.at(i).substr(ss.at(i).size()-3);\n\n\t\t\tif(ch == id){\n\n\t\t\t\tif(s.size() < ss.at(i).size()) break;\n\n\t\t\t\tif(s.substr(s.size()-ss.at(i).size()) == ss.at(i)){\n\n\t\t\t\t\ts.erase(s.size()-ss.at(i).size());\n\n\t\t\t\t\tans = true;\n\n\t\t\t\t}\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(s.size() == 0)break;\n\n\t}\n\n\tif(ans == true) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002801"}1097{"label": "pie_cpp_validation_002802", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 1, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 1, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002802.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002802", "task_path": "tasks/validation/pie_cpp_validation_002802.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\n#define REP(i, n) for (int i = 0; i < n; ++i)\n\n#define ALL(v) (v).begin(), (v).end()\n\n#define REVERSED(v) reverse( ALL(v) )\n\n#define YESNO(x) cout << ( x ? \"YES\" : \"NO\" ) << endl\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n REVERSED(S);\n\n REP(i,4) REVERSED(divide[i]);\n\n\n\n bool can = true;\n\n for (int i = 0; i < S.size(); ) {\n\n can = false;\n\n REP(j,4) {\n\n string d = divide[j];\n\n if ( S.substr(i, d.size()) == d ) {\n\n can = true;\n\n i += d.size();\n\n }\n\n }\n\n if (!can) {\n\n break;\n\n }\n\n }\n\n\n\n YESNO(can);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002802"}1098{"label": "pie_cpp_validation_002803", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 20, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 20, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002803.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002803", "task_path": "tasks/validation/pie_cpp_validation_002803.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <string>\n\nusing namespace std;\n\nconst int MAX = (int)1e5 + 5;\n\n\n\nchar s[MAX];\n\nbool dp[MAX];\n\n\n\nbool comp(string w, char *si) {\n\n for (char c : w) if (c != *si++) return false;\n\n return true;\n\n}\n\n\n\nint main() {\n\n scanf(\"%s\", s + 1);\n\n int n = strlen(s + 1);\n\n\n\n dp[0] = true;\n\n for (int i = 1; i <= n; i++) {\n\n for (string w : {\"dream\", \"dreamer\", \"erase\", \"eraser\"}) {\n\n int len = w.length();\n\n if (i >= len && comp(w, &s[i - len + 1])) dp[i] |= dp[i - len];\n\n }\n\n }\n\n\n\n puts(dp[n] ? \"YES\" : \"NO\");\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002803"}1099{"label": "pie_cpp_validation_002804", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002804.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002804", "task_path": "tasks/validation/pie_cpp_validation_002804.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <vector>\n\nusing namespace std;\n\n\n\nint main() {\n\n string s; cin >> s;\n\n int n = s.length();\n\n\n\n vector<int> dp(n + 1, 0);\n\n dp[0] = 1;\n\n for (int i = 0; i < n; i++) if (dp[i]) {\n\n if (i + 5 <= n and s.substr(i, 5) == \"dream\") dp[i + 5] = 1;\n\n if (i + 7 <= n and s.substr(i, 7) == \"dreamer\") dp[i + 7] = 1;\n\n if (i + 5 <= n and s.substr(i, 5) == \"erase\") dp[i + 5] = 1;\n\n if (i + 6 <= n and s.substr(i, 6) == \"eraser\") dp[i + 6] = 1;\n\n }\n\n\n\n puts(dp[n] ? \"YES\" : \"NO\");\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002804"}1100{"label": "pie_cpp_validation_002805", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002805.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002805", "task_path": "tasks/validation/pie_cpp_validation_002805.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int i=0;i<(n);++i)\n\n#define ALL(A) A.begin(), A.end()\n\n\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\ntypedef pair<int, int> P;\n\n\n\nconst string s[4] = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\n\nint main()\n\n{\n\n\tios_base::sync_with_stdio(0);\n\n\tcin.tie(0);\n\n\tstring S; cin >> S;\n\n\n\n\tbool ok = true;\n\n\twhile(!S.empty()){\n\n\t\tbool update = false;\n\n\t\trep (i, 4){\n\n\t\t\tif (S.length() < s[i].length()) continue;\n\n\t\t\tstring T = S.substr(S.length() - s[i].length());\n\n\t\t\tif (T == s[i]){\n\n\t\t\t\tS = S.substr(0, S.length() - s[i].length());\n\n\t\t\t\tupdate |= true;\n\n\t\t\t\tbreak;\n\n\t\t\t} // end if\n\n\t\t} // end rep\n\n\t\tif (!update){\n\n\t\t\tok = false;\n\n\t\t\tbreak;\n\n\t\t} // end if\n\n\t} // end while\n\n\n\n\tcout << (ok ? \"YES\" : \"NO\") << endl;\n\n\t\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002805"}1101{"label": "pie_cpp_validation_002806", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002806.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002806", "task_path": "tasks/validation/pie_cpp_validation_002806.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#define _LIBCPP_DEBUG 0\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long int ll;\n\nll MOD = 1e9 + 7;\n\n\n\nint main(void) {\n\n\n\n string S; cin>>S;\n\n\n\n if(regex_match(S, regex(\"(dream|dreamer|erase|eraser)*\"))){\n\n cout<<\"YES\"<<endl;\n\n }else{\n\n cout<<\"NO\"<<endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002806"}1102{"label": "pie_cpp_validation_002807", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002807.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002807", "task_path": "tasks/validation/pie_cpp_validation_002807.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\nusing ll = long long;\n\n\n\nint main() {\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n\n\n string s;\n\n cin >> s;\n\n\n\n queue<string> q;\n\n q.push(\"\");\n\n while (!q.empty()) {\n\n auto t = q.front();\n\n q.pop();\n\n if (t == s) {\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n if (t.size() >= s.size())\n\n continue;\n\n\n\n if (s.substr(t.size(), 5) == \"dream\")\n\n q.push(t + \"dream\");\n\n if (s.substr(t.size(), 7) == \"dreamer\")\n\n q.push(t + \"dreamer\");\n\n if (s.substr(t.size(), 5) == \"erase\")\n\n q.push(t + \"erase\");\n\n if (s.substr(t.size(), 6) == \"eraser\")\n\n q.push(t + \"eraser\");\n\n }\n\n\n\n cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002807"}1103{"label": "pie_cpp_validation_002808", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002808.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002808", "task_path": "tasks/validation/pie_cpp_validation_002808.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cctype>\n\n#include <complex>\n\n#include <iomanip>\n\n#include <iostream>\n\n#include <queue>\n\n#include <set>\n\n#include <string>\n\n#include <vector>\n\n#include <regex>\n\n\n\nusing std::cin;\n\nusing std::cout;\n\nusing std::endl;\n\n\n\nusing std::string;\n\nusing std::to_string;\n\nusing std::vector;\n\nusing std::set;\n\nusing std::queue;\n\nusing std::priority_queue;\n\n\n\nusing std::min;\n\nusing std::max;\n\nusing std::sort;\n\nusing std::abs;\n\n\n\nint main() {\n\n std::regex re(\"(dream|dreamer|erase|eraser)*\");\n\n\n\n string s;\n\n cin >> s;\n\n\n\n bool ans = std::regex_match(s, re);\n\n cout << (ans ? \"YES\" : \"NO\") << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002808"}1104{"label": "pie_cpp_validation_002809", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002809.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002809", "task_path": "tasks/validation/pie_cpp_validation_002809.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n\n\nint main() {\n\n std::string s;\n\n std::cin >> s;\n\n\n\n while(!s.empty()){\n\n if(s.length() >= 6 && s.substr(s.length()-6) == \"eraser\"){\n\n s.erase(s.begin()+s.length()-6,s.end());\n\n continue;\n\n }else if(s.length() >= 7 && s.substr(s.length()-7) == \"dreamer\"){\n\n s.erase(s.begin()+s.length()-7,s.end());\n\n continue;\n\n }else if(s.length() >= 5 && s.substr(s.length()-5) == \"dream\"){\n\n s.erase(s.begin()+s.length()-5,s.end());\n\n continue;\n\n }else if(s.length() >= 5 && s.substr(s.length()-5) == \"erase\"){\n\n s.erase(s.begin()+s.length()-5,s.end());\n\n continue;\n\n }\n\n std::cout << \"NO\" << std::endl;\n\n return 0;\n\n }\n\n std::cout << \"YES\" << std::endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002809"}1105{"label": "pie_cpp_validation_002810", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002810.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002810", "task_path": "tasks/validation/pie_cpp_validation_002810.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nvector<string> divide ={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\n\nint main(){\n\n string S;\n\n cin >> S;\n\n \n\n vector<int> dp(S.size()+1);\n\n dp.at(0) = 1;\n\n \n\n for(int i=0; i<S.size(); i++){\n\n if(dp.at(i) == 0){\n\n continue;\n\n }\n\n \n\n for(string s:divide){\n\n if(S.substr(i,s.size()) == s){\n\n dp.at(i+s.size()) = 1;\n\n }\n\n }\n\n }\n\n \n\n if(dp.at(S.size()) == 1){\n\n cout << \"YES\" << endl;\n\n }else{\n\n cout << \"NO\" << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002810"}1106{"label": "pie_cpp_validation_002811", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002811.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002811", "task_path": "tasks/validation/pie_cpp_validation_002811.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n\n\nstring divide[4] = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\n\nint main() {\n\n\tstring S;\n\n\tcin >> S;\n\n\n\n\treverse(S.begin(), S.end());\t// S\u3092reverse\n\n\tfor (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end()); // divide\u3092\u305d\u308c\u305e\u308creverse\n\n\n\n\tbool can = true;\n\n\tfor (int i = 0; i < S.size();) {\n\n\t\tbool can2 = false;\n\n\t\tfor (int j = 0; j < 4; ++j) {\n\n\t\t\tstring d = divide[j];\n\n\t\t\tif (S.substr(i, d.size()) == d) {\t// i\u756a\u76ee\u304b\u3089d.size()\u756a\u76ee\u307e\u3067\u3068d\u304c\u4e00\u81f4\u3059\u308b\u304b\n\n\t\t\t\tcan2 = true;\n\n\t\t\t\ti += d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!can2) {\n\n\t\t\tcan = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\n\n\tif (can) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002811"}1107{"label": "pie_cpp_validation_002812", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002812.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002812", "task_path": "tasks/validation/pie_cpp_validation_002812.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nconst double PI=acos(-1.0);\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nstring s;\n\n\n\nbool dfs(int n) {\n\n if(n == s.size()) return true;\n\n for(string i : divide) {\n\n if(n + i.size() <= s.size() && s.substr(n, i.size()) == i) {\n\n if(dfs(n + i.size())) return true;\n\n }\n\n }\n\n\n\n return false;\n\n}\n\n\n\nint main() {\n\n cin >> s;\n\n\n\n cout << (dfs(0) ? \"YES\" : \"NO\") << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002812"}1108{"label": "pie_cpp_validation_002813", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002813.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002813", "task_path": "tasks/validation/pie_cpp_validation_002813.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#define _GLIBCXX_DEBUG\n\n#include <bits/stdc++.h>\n\n#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nstring x[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nstring s;\n\n\n\nbool dfs(int n) {\n\n if(n == s.size()) return true;\n\n\n\n for(string i : x) {\n\n if(s.substr(n, i.size()) != i) continue;\n\n\n\n if(dfs(n + i.size())) return true;\n\n }\n\n return false;\n\n}\n\n\n\nint main() {\n\n cin >> s;\n\n\n\n cout << (dfs(0) ? \"YES\" : \"NO\") << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002813"}1109{"label": "pie_cpp_validation_002814", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002814.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002814", "task_path": "tasks/validation/pie_cpp_validation_002814.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <sstream>\n\n#include <cstdio>\n\n#include <cstdlib>\n\n#include <cmath>\n\n#include <ctime>\n\n#include <cstring>\n\n#include <string>\n\n#include <vector>\n\n#include <stack>\n\n#include <queue>\n\n#include <deque>\n\n#include <map>\n\n#include <set>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <utility>\n\n#include <iomanip>\n\n#include <algorithm>\n\n#include <functional>\n\nusing namespace std;\n\n\n\n#define COUT(x) cout << #x << \" = \" << (x) << \" (L\" << __LINE__ << \")\" << endl\n\n#define EACH(i, s) for (__typeof__((s).begin()) i = (s).begin(); i != (s).end(); ++i)\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }\n\ntemplate<class T1, class T2> ostream& operator << (ostream &s, pair<T1,T2> P)\n\n{ return s << '<' << P.first << \", \" << P.second << '>'; }\n\ntemplate<class T> ostream& operator << (ostream &s, vector<T> P)\n\n{ for (int i = 0; i < P.size(); ++i) { if (i > 0) { s << \" \"; } s << P[i]; } return s; }\n\ntemplate<class T> ostream& operator << (ostream &s, vector<vector<T> > P)\n\n{ for (int i = 0; i < P.size(); ++i) { s << endl << P[i]; } return s << endl; }\n\ntemplate<class T1, class T2> ostream& operator << (ostream &s, map<T1,T2> P)\n\n{ EACH(it, P) { s << \"<\" << it->first << \"->\" << it->second << \"> \"; } return s << endl; }\n\n\n\n\n\nstring str;\n\nbool dp[210000];\n\nstring judge [4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n while (cin >> str) {\n\n\tmemset(dp, 0, sizeof(dp));\n\n\tdp[0] = true;\n\n\tfor (int i = 0; i < str.size(); ++i) {\n\n\t if (!dp[i]) continue;\n\n\t for (int j = 0; j < 4; ++j) {\n\n\t\tif (str.substr(i, judge[j].size()) == judge[j])\n\n\t\t dp[i + judge[j].size()] = true;\n\n\t }\n\n\t}\n\n\tif (dp[str.size()]) puts(\"YES\");\n\n\telse puts(\"NO\");\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002814"}1110{"label": "pie_cpp_validation_002815", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002815.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002815", "task_path": "tasks/validation/pie_cpp_validation_002815.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\nint main(){\n\nstring S;\n\n cin>>S;\n\n \n\n vector<bool>flag(100000, false);\n\n flag[0]=true;\n\n for(int i=0; i<S.size(); i++){\n\n if(flag[i]==false){continue;}\n\n if(i+5<=S.size() && S.substr(i, 5)==\"dream\"){flag[i+5]=true;} //\u6b21\u306e\u5358\u8a9e\u306e\u5148\u982d\u3092true\u306b\u3059\u308b\n\n if(i+5<=S.size() && S.substr(i, 5)==\"erase\"){flag[i+5]=true;}\n\n if(i+6<=S.size() && S.substr(i, 6)==\"eraser\"){flag[i+6]=true;}\n\n if(i+7<=S.size() && S.substr(i, 7)==\"dreamer\"){flag[i+7]=true;}\n\n }\n\n \n\n if(flag[S.size()]){cout<<\"YES\";} // S\u304c\u4e0a\u8a18\u306e\u5358\u8a9e\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u3001\n\n else{cout<<\"NO\";} // flag[S.size()]==true\u306b\u306a\u308b\u3002\n\n} // \u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\u4e0a\u8a18\u4ee5\u5916\u306e\u5358\u8a9e\u4ee5\u964d\u306ffalse\u306b\u306a\u308b\u3002\n```", "split": "validation", "task_id": "pie_cpp_validation_002815"}1111{"label": "pie_cpp_validation_002816", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002816.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002816", "task_path": "tasks/validation/pie_cpp_validation_002816.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\nusing namespace std;\n\n\n\nint main() {\n\n\tstring s;\n\n\tstring sub;\n\n\tcin >> s;\n\n\tbool flag = true;\n\n\tfor (int i = s.size()-1; i >=0; --i) {\n\n\t\tif (s[i] == 'm') {\n\n\t\t\tif (i - 4 < 0) {\n\n\t\t\t\tflag = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tsub = s.substr(i - 4, 5);\n\n\t\t\tif (sub != \"dream\") {\n\n\t\t\t\tflag = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\ti -= 4;\n\n\t\t}\n\n\t\telse if (s[i] == 'e') {\n\n\t\t\tif (i - 4 < 0) {\n\n\t\t\t\tflag = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tsub = s.substr(i - 4, 5);\n\n\t\t\tif (sub != \"erase\") {\n\n\t\t\t\tflag = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\ti -= 4;\n\n\t\t}\n\n\t\telse if (s[i] == 'r') {\n\n\t\t\tif (i - 2 < 0) {\n\n\t\t\t\tflag = false;\n\n\t\t\t\tbreak;\n\n\t\t\t}\n\n\t\t\tif (s[i - 2] == 'm') {\n\n\t\t\t\tif (i - 6 < 0) {\n\n\t\t\t\t\tflag = false;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tsub = s.substr(i - 6, 7);\n\n\t\t\t\tif (sub != \"dreamer\") {\n\n\t\t\t\t\tflag = false;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\ti -= 6;\n\n\t\t\t}\n\n\t\t\telse if (s[i - 2] == 's') {\n\n\t\t\t\tif (i - 5 < 0) {\n\n\t\t\t\t\tflag = false;\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t\tsub = s.substr(i - 5, 6);\n\n\t\t\t\tif (sub != \"eraser\") {\n\n\t\t\t\t\tcout << \"NO\" << endl;\n\n\t\t\t\t\treturn 0;\n\n\t\t\t\t}\n\n\t\t\t\ti -= 5;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tif(flag)cout << \"YES\" << endl;\n\n\tif (flag == false)cout << \"NO\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002816"}1112{"label": "pie_cpp_validation_002817", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002817.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002817", "task_path": "tasks/validation/pie_cpp_validation_002817.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <type_traits>\n\nusing namespace std;\n\n\n\nusing ll = long long;\n\n\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n#define rrep(i, n) for (int i = 1; i <= (n); ++i)\n\n#define drep(i, n) for (int i = (n)-1; i >= 0; --i)\n\n#define ddrep(i, n) for (int i = n; i > 0; --i)\n\n#define srep(i, s, t) for (int i = s; i < t; ++i)\n\n#define ssrep(i, s, t) for (int i = s; i <= t; ++i)\n\n\n\n#define rng(a) a.begin(), a.end()\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define fi first\n\n#define se second\n\n\n\n#define chmax(x, y) (x = max(x, y))\n\n#define chmin(x, y) (x = min(x, y))\n\n\n\nusing pi = pair<int, int>;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vl = vector<ll>;\n\nusing vvl = vector<vl>;\n\nusing ld = long double;\n\n\n\ntemplate <class T, class U>\n\nostream &operator<<(ostream &os, const pair<T, U> &p) {\n\n os << \"(\" << p.first << \",\" << p.second << \")\";\n\n return os;\n\n}\n\n\n\ntemplate <class T> ostream &operator<<(ostream &os, const vector<T> &v) {\n\n os << \"{\";\n\n rep(i, (int)v.size()) {\n\n if (i)\n\n os << \",\";\n\n os << v[i];\n\n }\n\n os << \"}\";\n\n return os;\n\n}\n\n\n\ntemplate <typename T, size_t S> void printArray(const T (&array)[S]) {\n\n for (auto val : array)\n\n std::cout << val << \", \";\n\n std::cout << \"\\n\";\n\n}\n\n\n\nconst int mod = 1e9 + 7;\n\nconst int inf = 1e9 + 5;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n cout << std::setprecision(10);\n\n\n\n string s; std::cin >> s;\n\n vector<string> list = {\"dreamer\", \"dream\", \"eraser\", \"erase\"};\n\n bool ok = true;\n\n drep(i, s.size()) {\n\n int idx = -1;\n\n rep(j, 4) {\n\n int len = list[j].size();\n\n if (i - len + 1 < 0 || s.substr(i-len+1, len) != list[j]) continue;\n\n idx = j;\n\n i -= len-1;\n\n break;\n\n }\n\n if (idx == -1) {\n\n ok = false;\n\n break;\n\n }\n\n }\n\n std::cout << (ok ? \"YES\" : \"NO\") << \"\\n\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002817"}1113{"label": "pie_cpp_validation_002818", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002818.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002818", "task_path": "tasks/validation/pie_cpp_validation_002818.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream> // cout, endl, cin\n\n#include <string> // string, to_string, stoi\n\n#include <vector> // vector\n\n#include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound\n\n#include <utility> // pair, make_pair\n\n#include <tuple> // tuple, make_tuple\n\n#include <cstdint> // int64_t, int*_t\n\n#include <cstdio> // printf\n\n#include <map> // map\n\n#include <queue> // queue, priority_queue\n\n#include <set> // set\n\n#include <stack> // stack\n\n#include <deque> // deque\n\n#include <unordered_map> // unordered_map\n\n#include <unordered_set> // unordered_set\n\n#include <bitset> // bitset\n\n#include <cctype> // isupper, islower, isdigit, toupper, tolower\n\n#include <cmath>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\n#define rep(i, n) for (int i = 0; i < (n); i++)\n\n#define rep2(i, a, b) for (int i = (a); i < (b); ++i)\n\n#define all(a) (a).begin(), (a).end()\n\n\n\nint main()\n\n{\n\n string S;\n\n string divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\n cin >> S;\n\n reverse(S.begin(), S.end());\n\n rep(i, 4) reverse(all(divide[i]));\n\n\n\n bool can = true;\n\n for (int i; i < S.size();)\n\n {\n\n bool can2 = false;\n\n rep(j, 4)\n\n {\n\n string d = divide[j];\n\n if (S.substr(i, d.size()) == d)\n\n {\n\n can2 = true;\n\n i += d.size();\n\n }\n\n }\n\n if (!can2)\n\n {\n\n can = false;\n\n break;\n\n }\n\n }\n\n if (can)\n\n cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002818"}1114{"label": "pie_cpp_validation_002819", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002819.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002819", "task_path": "tasks/validation/pie_cpp_validation_002819.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep2(x,fr,to) for(int (x)=(fr);(x)<(to);(x)++)\n\n#define rep(x,to) for(int (x)=0;(x)<(to);(x)++)\n\n#define repr(x,fr,to) for(int (x)=(fr);(x)>=(to);(x)--)\n\n#define all(c) (c).begin(),(c).end()\n\n#define sz(v) (int)(v).size()\n\n\n\nusing namespace std;\n\ntypedef long long ll; typedef vector<int> VI; typedef pair<int,int> pii;\n\nconst int MD = (int)1e9 + 7;\n\nvoid dbg(){ cerr << \"\\n\"; } template <typename T,typename ...T2>\n\nvoid dbg(const T& fst, const T2&...rst){ cerr << fst << \": \"; dbg(rst...); }\n\n\n\nll gcd(ll x, ll y){ return y==0? x: gcd(y, x%y); }\n\n\n\nint main(){\n\n\tcin.tie(0); ios_base::sync_with_stdio(false);\n\n\tstring s;\n\n\tcin >>s;\n\n\t\n\n\tvector<string> mt={\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\tVI sno = {5, 7, 5, 6};\n\n\t\n\n\twhile(sz(s) >0){\n\n\t\tbool ok=false;\n\n\t\trep(j, 4){\n\n\t\t\t//dbg(sz(s), sno[j]);\n\n\t\t\tif(sz(s) >= sno[j] && s.substr(sz(s)-sno[j]) == mt[j]){\n\n\t\t\t\ts = s.substr(0, sz(s)-sno[j]);\n\n\t\t\t\tok = true; break;\n\n\t\t\t}\n\n\t\t}\n\n\t\tif(!ok){ puts(\"NO\"); return 0;}\n\n\t}\n\n\tputs(\"YES\");\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002819"}1115{"label": "pie_cpp_validation_002820", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002820.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002820", "task_path": "tasks/validation/pie_cpp_validation_002820.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<vector>\n\n#include<algorithm>\n\n\n\nint main() {\n\n std::string str;\n\n std::cin >> str;\n\n std::vector<std::string> check = {\"maerd\", \"remaerd\",\"esare\",\"resare\"};\n\n std::reverse(str.begin(), str.end());\n\n int flag = 0;\n\n for (int i=0; i<str.size();) {\n\n int temp_flag = 1;\n\n for (int j=0; j < 4; j++) {\n\n if (str.substr(i,check.at(j).size()) == check.at(j)) {\n\n temp_flag = 0;\n\n i += check.at(j).size();\n\n break;\n\n }\n\n }\n\n if (temp_flag) {\n\n flag = 1;\n\n break;\n\n }\n\n }\n\n if (flag) {\n\n std::cout << \"NO\" << std::endl;\n\n }\n\n else {\n\n std::cout << \"YES\" << std::endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002820"}1116{"label": "pie_cpp_validation_002821", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002821.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002821", "task_path": "tasks/validation/pie_cpp_validation_002821.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <vector> \n\n#include <list> \n\n#include <map>\n\n#include <set>\n\n#include <deque>\n\n#include <stack>\n\n#include <bitset>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <numeric>\n\n#include <utility>\n\n#include <sstream>\n\n#include <iostream>\n\n#include <iomanip>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <cstdlib>\n\n#include <cctype>\n\n#include <string>\n\n#include <cstring>\n\n#include <ctime>\n\n#include <queue>\n\n#include <complex>\n\nusing namespace std;\n\n\n\n//conversion\n\n//------------------------------------------\n\ninline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v; }\n\ntemplate<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str(); }\n\n\n\n//math\n\n//-------------------------------------------\n\ntemplate<class T> inline T sqr(T x) { return x * x; }\n\n\n\n//typedef\n\n//------------------------------------------\n\ntypedef vector<int> VI;\n\ntypedef vector<VI> VVI;\n\ntypedef vector<string> VS;\n\ntypedef pair<int, int> PII;\n\ntypedef long long LL;\n\n\n\n//container util\n\n//------------------------------------------\n\n#define ALL(a) (a).begin(),(a).end()\n\n#define RALL(a) (a).rbegin(), (a).rend()\n\n#define PB push_back\n\n#define MP make_pair\n\n#define SZ(a) int((a).size())\n\n#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)\n\n#define EXIST(s,e) ((s).find(e)!=(s).end())\n\n#define SORT(c) sort((c).begin(),(c).end())\n\n\n\n//repetition\n\n//------------------------------------------\n\n#define FOR(i,a,b) for(int i=(a);i<(b);++i)\n\n#define REP(i,n) FOR(i,0,n)\n\n\n\n//constant\n\n//--------------------------------------------\n\nconst double EPS = 1e-10;\n\nconst double PI = acos(-1.0);\n\n\n\n//clear memory\n\n#define CLR(a) memset((a), 0 ,sizeof(a))\n\n\n\n//debug\n\n#define dump(x) cerr << #x << '=' << (x) << endl;\n\n#define debug(x) cerr << #x << '=' << (x) << '('<<'L' << __LINE__ << ')' << ' ' << __FILE__ << endl;\n\n\n\nconst LL mod = 1000000007;\n\n\n\n\n\n#define Yes_ cout<<\"Yes\"<<endl; return 0;\n\n#define No_ cout<<\"No\"<<endl; return 0;\n\n\n\n\n\n#define YES_ cout<<\"YES\"<<endl; return 0;\n\n#define NO_ cout<<\"NO\"<<endl; return 0;\n\n\n\nint main() {\n\n\n\n\tstring s;\n\n\tcin >> s;\n\n\n\n\twhile (SZ(s) > 1) {\n\n\n\n\t\tstring s2 = s.substr(0, 5);\n\n\t\tint index = 5;\n\n\t\tif (s2 == \"dream\") {\n\n\t\t\t\n\n\t\t\tif (SZ(s) >= 12) {\n\n\t\t\t\tstring s3 = s.substr(5, 2);\n\n\t\t\t\tstring s4 = s.substr(7, 5);\n\n\n\n\t\t\t\tif (s3 == \"er\" && (s4 == \"dream\" || s4 == \"erase\")) {\n\n\t\t\t\t\tindex += 2;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\telse if (SZ(s) == 7) {\n\n\t\t\t\tstring s3 = s.substr(5, 2);\n\n\t\t\t\tif (s3 == \"er\") {\n\n\t\t\t\t\tindex += 2;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\telse if (s2 == \"erase\") {\n\n\n\n\t\t\tif (SZ(s) >= 11) {\n\n\n\n\t\t\t\tstring s3 = s.substr(5, 1);\n\n\t\t\t\tstring s4 = s.substr(6, 5);\n\n\n\n\t\t\t\tif (s3 == \"r\" && (s4 == \"dream\" || s4 == \"erase\")) {\n\n\t\t\t\t\tindex++;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\telse if (SZ(s) == 6) {\n\n\t\t\t\tstring s3 = s.substr(5, 1);\n\n\t\t\t\tif (s3 == \"r\") {\n\n\t\t\t\t\tindex += 1;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\telse {\n\n\t\t\tNO_;\n\n\t\t}\n\n\t\ts = s.substr(index);\n\n\t}\n\n\n\n\n\n\tYES_;\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002821"}1117{"label": "pie_cpp_validation_002822", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002822.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002822", "task_path": "tasks/validation/pie_cpp_validation_002822.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint main()\n\n{\n\n\tstring a;\n\n\tcin>>a;\n\n\tfor(int i=0;i<a.size();i++)\n\n\t{\n\n if(a[i]=='e') \n\n {\n\n if(a[i+1]=='r'&&a[i+2]=='a'&&a[i+3]=='s'&&a[i+4]=='e') \n\n\t\t\t{ \n\n if(a[i+5]=='r') \n\n {\n\n i+=5;\n\n }\n\n else \n\n {\n\n i+=4;\n\n }\n\n }\n\n }\n\n else if(a[i]=='d') \n\n {\n\n if(a[i+1]=='r'&&a[i+2]=='e'&&a[i+3]=='a'&&a[i+4]=='m') \n\n {\n\n if(a[i+5]=='e'&&a[i+6]=='r'&&a[i+7]=='a'&&a[i+8]=='s'&&a[i+9]=='e') \n\n {\n\n i+=4;\n\n }\n\n else\n\n {\n\n if(a[i+5]=='e'&&a[i+6]=='r') \n\n {\n\n i+=6;\n\n }\n\n else\n\n {\n\n i+=4;\n\n }\n\n }\n\n }\n\n }\n\n else \n\n {\n\n cout<<\"NO\"<<endl;\n\n return 0;\n\n }\n\n }\n\n cout<<\"YES\"<<endl;\n\n\treturn 0;\n\n}\n\n//ak\n```", "split": "validation", "task_id": "pie_cpp_validation_002822"}1118{"label": "pie_cpp_validation_002823", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002823.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002823", "task_path": "tasks/validation/pie_cpp_validation_002823.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<algorithm>\n\nusing namespace std;\n\nint main(){\n\n string s; cin>>s;\n\n string a[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n reverse(s.begin(),s.end());\n\n for(int i=0;i<4;i++) reverse(a[i].begin(),a[i].end());\n\n bool ans=true;\n\n for(int i=0;i<s.size();){\n\n bool can2=false;\n\n for(int j=0;j<4;j++){\n\n string ss=a[j];\n\n if(s.substr(i,a[j].size())==ss){\n\n can2=true;\n\n i+=a[j].size();\n\n }\n\n }\n\n if(!can2){\n\n ans=false;\n\n break;\n\n }\n\n }\n\n if(ans)cout<<\"YES\"<<endl;\n\n else cout<<\"NO\"<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002823"}1119{"label": "pie_cpp_validation_002824", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002824.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002824", "task_path": "tasks/validation/pie_cpp_validation_002824.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#define _USE_MATH_DEFINES\n\n#include<stdio.h>\n\n#include<string>\n\n#include<iostream>\n\n#include<cctype>\n\n#include<cstdio>\n\n#include<vector>\n\n#include<queue>\n\n#include<stack>\n\n#include<algorithm>\n\n#include<math.h>\n\n#include<set>\n\n#include<map>\n\n#include<iomanip>\n\n#include<functional>\n\nusing namespace std;\n\nint main() {\n\n\tcin.tie(0); ios::sync_with_stdio(false);\n\n\tstring S; cin >> S;\n\n\tvector<string> Key = { \"dream\",\"dreamer\",\"erase\",\"eraser\" };\n\n\tint len[4] = { 5,7,5,6 };\n\n\twhile (true) {\n\n\t\tbool f = false;\n\n\t\tfor (int i = 0;i < 4;i++) {\n\n\t\t\tint l = S.length();\n\n\t\t\tif (l - len[i] >= 0) {\n\n\t\t\t\tif (S.substr(S.length() - len[i]) == Key[i]) {\n\n\t\t\t\t\tf = true;\n\n\t\t\t\t\tS.erase(S.end() - len[i], S.end());\n\n\t\t\t\t\tif (S.length() == 0) { cout << \"YES\" << endl; return 0; }\n\n\t\t\t\t\tbreak;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!f) {\n\n\t\t\tcout << \"NO\" << endl; return 0;\n\n\t\t}\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002824"}1120{"label": "pie_cpp_validation_002825", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002825.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002825", "task_path": "tasks/validation/pie_cpp_validation_002825.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\tstring s;\n\n\tvector<string> words={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\n\tint num;\n\n\tstring ret=\"NO\";\n\nvoid dfs(int i){\n\n\tif(i==num)ret=\"YES\";\n\n\tfor(auto&& w:words){\n\n // \tcout<<i<<\" \"<<w<<endl;\n\n\t\tif(i+w.size()<=num && s.substr(i,w.size())==w){\n\n\t\t\tdfs(i+w.size());\n\n\t\t}\n\n\t}\t\n\n\t\n\n\n\n\t}\n\n\n\n\n\nint main(){\n\n\tcin >>s;\n\n\tnum=s.size();\n\n dfs(0);\n\n cout<<ret<<endl;\n\n\t\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002825"}1121{"label": "pie_cpp_validation_002826", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002826.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002826", "task_path": "tasks/validation/pie_cpp_validation_002826.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define REP(i,n) for(int i=0;i<(n);i++)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define int long long\n\nusing namespace std;\n\ntypedef vector<int> vint;\n\ntypedef pair<int,int> pint;\n\n\n\nbool dp[100005];\n\n\n\nsigned main()\n\n{\n\n string s; cin>>s;\n\n int N=s.size();\n\n\n\n dp[0]=true;\n\n REP(i,N){\n\n if(!dp[i]) continue;\n\n if(i+5<=N and s.substr(i,5)==\"dream\") dp[i+5]=true;\n\n if(i+7<=N and s.substr(i,7)==\"dreamer\") dp[i+7]=true;\n\n if(i+5<=N and s.substr(i,5)==\"erase\") dp[i+5]=true;\n\n if(i+6<=N and s.substr(i,6)==\"eraser\") dp[i+6]=true;\n\n }\n\n cout<<(dp[N]? \"YES\":\"NO\")<<endl;\n\n \n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002826"}1122{"label": "pie_cpp_validation_002827", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002827.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002827", "task_path": "tasks/validation/pie_cpp_validation_002827.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define REP(i,n) for(int i=0;i<(n);i++)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define int long long\n\nusing namespace std;\n\ntypedef vector<int> vint;\n\ntypedef pair<int,int> pint;\n\n\n\nstring t[4]={\"dream\",\"dreamer\",\"erase\",\"eraser\"};\n\nbool dp[100010];\n\n\n\nsigned main()\n\n{\n\n string s; cin>>s;\n\n int N=s.length();\n\n\n\n dp[0]=true;\n\n REP(i,N){\n\n if(!dp[i]) continue;\n\n for(auto u:t){\n\n if(s.substr(i,u.size())==u) dp[i+u.size()]=true;\n\n }\n\n }\n\n cout<<(dp[N]? \"YES\":\"NO\")<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002827"}1123{"label": "pie_cpp_validation_002828", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002828.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002828", "task_path": "tasks/validation/pie_cpp_validation_002828.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\nint main() {\n\n\tstring s;\n\n cin >> s;\n\n string t = \"\";\n\n for(int i = s.size()-1; i >= 0; --i) {\n\n t += s[i];\n\n if(t==\"maerd\" || t==\"remaerd\" || t==\"esare\" || t==\"resare\") {\n\n t = \"\";\n\n }\n\n }\n\n if(t == \"\") cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002828"}1124{"label": "pie_cpp_validation_002829", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 56, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 56, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002829.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002829", "task_path": "tasks/validation/pie_cpp_validation_002829.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\nusing namespace std;\n\n\n\nstring dream_rev = \"maerd\";\n\nstring dreamer_rev = \"remaerd\";\n\nstring erase_rev = \"esare\";\n\nstring eraser_rev = \"resare\";\n\n\n\nbool start_with(string S, string prefix) {\n\n return equal(begin(prefix), end(prefix), begin(S));\n\n}\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n reverse(S.begin(), S.end());\n\n\n\n while (true) {\n\n if (S == \"\") {\n\n cout << \"YES\" << endl;\n\n break;\n\n }\n\n\n\n if (start_with(S, dream_rev) || start_with(S, erase_rev)) {\n\n S = S.substr(5);\n\n } else if (start_with(S, eraser_rev)) {\n\n S = S.substr(6);\n\n } else if (start_with(S, dreamer_rev)) {\n\n S = S.substr(7);\n\n } else {\n\n cout << \"NO\" << endl;\n\n break;\n\n }\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002829"}1125{"label": "pie_cpp_validation_002830", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002830.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002830", "task_path": "tasks/validation/pie_cpp_validation_002830.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<string>\n\n#include<vector>\n\n#include<stdio.h>\n\n#include<algorithm>\n\n#include<math.h>\n\n#include<numeric>\n\n#include<iomanip>\n\n#include<deque>\n\n#include<tuple>\n\n#include<queue>\n\n#include<map>\n\n#include <cstdint>\n\n#include <boost/multiprecision/cpp_int.hpp>\n\n\n\n\n\n#define rep(i, n) for(int i = 0; i < (int)(n); i++)\n\n#define FOR(i,a,b) for(int i=(a);i<(b);i++)\n\n#define vi vector<int>\n\n#define all(x) (x).begin(),(x).end()\n\n#define Endl endl\n\n#define F first\n\n#define S second\n\n\n\nnamespace mp = boost::multiprecision;\n\n\n\nusing cpp_int = mp::cpp_int;\n\nusing ll = long long;\n\nusing namespace std;\n\n\n\nint main() {\n\n\tstring s;\n\n\tcin >> s;\n\n\tstring a = \"dream\", b = \"dreamer\", c = \"erase\"\n\n\t\t, d = \"eraser\";\n\n\tbool flag = true;\n\n\twhile (s.size() > 0) {\n\n\t\tint tmp = s.size();\n\n\t\tif (s.size() > 4) {\n\n\t\t\tif (s.substr(s.size()-5, 5) == a \n\n\t\t\t\tor s.substr(s.size()-5, 5) == c) {\n\n\t\t\t\ts.erase(s.size()-5, 5);\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (s.size() > 5) {\n\n\t\t\tif (s.substr(s.size()-6, 6) == d) {\n\n\t\t\t\ts.erase(s.size()-6, 6);\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (s.size() > 6) {\n\n\t\t\tif (s.substr(s.size()-7, 7) == b) {\n\n\t\t\t\ts.erase(s.size()-7, 7);\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (s.size() == tmp) {\n\n\t\t\tflag = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t\t//cout << s << endl;\n\n\t}\n\n\tif (flag) {\n\n\t\tcout << \"YES\" << endl;\n\n\t}\n\n\telse {\n\n\t\tcout << \"NO\" << endl;\n\n\t}\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002830"}1126{"label": "pie_cpp_validation_002831", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002831.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002831", "task_path": "tasks/validation/pie_cpp_validation_002831.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\nstring divide[4] = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\n\nint main() {\n\n\tstring S;\n\n\tcin >> S;\n\n\t\n\n\treverse(S.begin(), S.end());\n\n\tfor (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end());\n\n\t\n\n\tbool can = true;\n\n\tfor (int i = 0; i < S.size();) {\n\n\t\tbool can2 = false;\n\n\t\tfor (int j = 0; j < 4; ++j) {\n\n\t\t\tstring d = divide[j];\n\n\t\t\tif (S.substr(i, d.size()) == d) {\n\n\t\t\t\tcan2 = true;\n\n\t\t\t\ti += d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!can2) {\n\n\t\t\tcan = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\t\n\n\tif (can) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002831"}1127{"label": "pie_cpp_validation_002832", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002832.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002832", "task_path": "tasks/validation/pie_cpp_validation_002832.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <string>\n\n#include <cstdlib>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <iomanip>\n\n#include <stdlib.h>\n\n#include <string.h>\n\n#include <cmath>\n\n#include <map>\n\n#include <queue>\n\n#include <deque>\n\n#include <stack>\n\n#include <set>\n\nconst long long MOD = 1e9 + 7;\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nmap<ll, int> mp;\n\nint main()\n\n{\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\tstring s;\n\n\tcin >> s;\n\n\tstring tmp[4] = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\treverse(s.begin(), s.end());\n\n\tfor (int i = 0; i < 4; i++) reverse(tmp[i].begin(), tmp[i].end());\n\n\tbool ok = true;\n\n\tfor (int i = 0; i < s.size();) {\n\n\t\tbool can = false;\n\n\t\tfor (int j = 0; j < 4; j++) {\n\n\t\t\tstring d = tmp[j];\n\n\t\t\tif (s.substr(i, d.size()) == d) {\n\n\t\t\t\tcan = true;\n\n\t\t\t\ti += d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!can) {\n\n\t\t\tok = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tif (ok) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002832"}1128{"label": "pie_cpp_validation_002833", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002833.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002833", "task_path": "tasks/validation/pie_cpp_validation_002833.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <string>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <functional>\n\n#include <iomanip>\n\n#include <stdlib.h>\n\n#include <string.h>\n\n#include <cstring>\n\n#include <cmath>\n\n#include <map>\n\n#include <queue>\n\n#include <deque>\n\n#include <stack>\n\n#include <set>\n\n#include <stdio.h>\n\n#include <tuple>\n\n#include <bitset>\n\n#include <cfloat>\n\n#include <fstream>\n\n#include <limits.h>\n\n#include <list>\n\n#include <math.h>\n\n#include <random>\n\n#include <unordered_map>\n\n#include <unordered_set>\n\n#include <bitset>\n\n#include <numeric>\n\n#include <utility>\n\n#include <sstream>\n\n\n\ntemplate<class T> inline bool chmin(T& a, T b) {\n\n\tif (a > b) {\n\n\t\ta = b;\n\n\t\treturn true;\n\n\t}\n\n\treturn false;\n\n}\n\ntemplate<class T> inline bool chmax(T& a, T b) {\n\n\tif (a < b) {\n\n\t\ta = b;\n\n\t\treturn true;\n\n\t}\n\n\treturn false;\n\n}\n\n\n\nusing namespace std;\n\n#define ll long long\n\n#define rep(i, n) for (ll i = 0; i < (n); i++)\n\n#define FOR(i,a,b) for(ll i=(a);i<(b);i++)\n\n#define FORR(i,a,b)for(ll i=(a);i<=(b);i++)\n\n#define repR(i,n) for(ll i=n;i>=0;i--)\n\n#define P pair<ll, ll>\n\n#define sz(x) (ll)x.size()\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define ALLR(x) (x).rbegin(),(x).rend()\n\n#define VE vector<ll>\n\n#define COUT(x) cout<<(x)<<endl\n\n#define MA map<ll,ll>\n\n#define SE set<ll>\n\n#define PQ priority_queue<ll>\n\n#define PQR priority_queue<ll,VE,greater<ll>>\n\n#define COUT(x) cout<<(x)<<endl\n\n#define YES(n) cout << ((n) ? \"YES\" : \"NO\" ) << endl\n\n#define Yes(n) cout << ((n) ? \"Yes\" : \"No\" ) << endl\n\n\n\nll gcd(ll a, ll b) {\n\n\tif (a < b)swap(a, b);\n\n\tif (b == 0) return a;\n\n\treturn gcd(b, a % b);\n\n}\n\nll lcm(ll a, ll b) {\n\n\tll g = gcd(a, b);\n\n\treturn a / g * b;\n\n}\n\nbool prime(ll n) {\n\n\tfor (ll i = 2; i <= sqrt(n); i++) {\n\n\t\tif (n%i == 0)return false;\n\n\t}\n\n\treturn n != 1;\n\n}\n\n\n\n\n\nconst long long MOD = 1000000007;\n\nconst long long INF = 1e9;\n\nconst long long LINF = 1LL << 50;\n\n#define int long long\n\n\n\nsigned main() {\n\n\tios_base::sync_with_stdio(0);\n\n\tcin.tie(0);\n\n\tstring s;\n\n\tcin >> s;\n\n\tstring tmp[4] = { \"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\treverse(s.begin(), s.end());\n\n\tfor (int i = 0; i < 4; i++) reverse(tmp[i].begin(), tmp[i].end());\n\n\tbool ok = true;\n\n\tfor (int i = 0; i < s.size();) {\n\n\t\tbool can = false;\n\n\t\tfor (int j = 0; j < 4; j++) {\n\n\t\t\tstring d = tmp[j];\n\n\t\t\tif (s.substr(i, d.size()) == d) {\n\n\t\t\t\tcan = true;\n\n\t\t\t\ti += d.size();\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (!can) {\n\n\t\t\tok = false;\n\n\t\t\tbreak;\n\n\t\t}\n\n\t}\n\n\tif (ok) cout << \"YES\" << endl;\n\n\telse cout << \"NO\" << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002833"}1129{"label": "pie_cpp_validation_002834", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002834.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002834", "task_path": "tasks/validation/pie_cpp_validation_002834.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n\n\nusing namespace std;\n\n\n\nint main() {\n\n int dp[100005] = {1};\n\n\n\n string S;\n\n cin >> S;\n\n\n\n\tfor (int i = 0; i < S.size(); i++) {\n\n\t\tif (dp[i] == 0) { continue; }\n\n\t\tif (i + 5 <= S.size() && S.substr(i, 5) == \"dream\") { dp[i + 5] = 1; }\n\n\t\tif (i + 7 <= S.size() && S.substr(i, 7) == \"dreamer\") { dp[i + 7] = 1; }\n\n\t\tif (i + 5 <= S.size() && S.substr(i, 5) == \"erase\") { dp[i + 5] = 1; }\n\n\t\tif (i + 6 <= S.size() && S.substr(i, 6) == \"eraser\") { dp[i + 6] = 1; }\n\n\t}\n\n\n\n\tif (dp[S.size()] == 1) { cout << \"YES\" << endl; }\n\n\telse { cout << \"NO\" << endl; }\n\n\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002834"}1130{"label": "pie_cpp_validation_002835", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 15, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 15, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002835.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002835", "task_path": "tasks/validation/pie_cpp_validation_002835.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define fi first\n\n#define se second\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n#define rrep(i, n) for (int i = 1; i <= (n); ++i)\n\n#define drep(i, n) for (int i = (n)-1; i >= 0; --i)\n\n#define srep(i, s, t) for (int i = s; i < t; ++i)\n\n#define rng(a) a.begin(), a.end()\n\n#define rrng(a) a.rbegin(), a.rend()\n\n#define maxs(x, y) (x = max(x, y))\n\n#define mins(x, y) (x = min(x, y))\n\n#define limit(x, l, r) max(l, min(x, r))\n\n#define lims(x, l, r) (x = max(l, min(x, r)))\n\n#define isin(x, l, r) ((l) <= (x) && (x) < (r))\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define pcnt __builtin_popcountll\n\n#define uni(x) x.erase(unique(rng(x)), x.end())\n\n#define show(x) cout << #x << \" = \" << x << endl;\n\n#define PQ(T) priority_queue<T, v(T), greater<T>>\n\n#define bn(x) ((1 << x) - 1)\n\n#define dup(x, y) (((x) + (y)-1) / (y))\n\n#define newline puts(\"\")\n\n#define v(T) vector<T>\n\n#define vv(T) v(v(T))\n\nusing namespace std;\n\ntypedef long long int ll;\n\ntypedef unsigned uint;\n\ntypedef unsigned long long ull;\n\ntypedef pair<int, int> P;\n\ntypedef tuple<int, int, int> T;\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<ll> vl;\n\ntypedef vector<P> vp;\n\ntypedef vector<T> vt;\n\n\n\nint main() { \n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n vector<string> d(7);\n\n d[0] = \"remaerd\";\n\n d[1] = \"resare\";\n\n d[2] = \"maerd\";\n\n d[3] = \"esare\";\n\n string s;\n\n cin >> s;\n\n reverse(s.begin(),s.end());\n\n int n =sz(s);\n\n int r = 0;\n\n int er = 0;\n\n while(n!=0){\n\n rep(i,4){\n\n int m = sz(d[i]);\n\n if(n>=m && s.substr(0,m) == d[i]){\n\n s = s.substr(m);\n\n }\n\n }\n\n if(n == sz(s)){\n\n cout<<\"NO\"<<endl;\n\n return 0;\n\n }\n\n n=sz(s);\n\n }\n\n cout<<\"YES\"<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002835"}1131{"label": "pie_cpp_validation_002836", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 53, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 53, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002836.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002836", "task_path": "tasks/validation/pie_cpp_validation_002836.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nint main() {\n\n string s;\n\n cin>>s;\n\n int n = s.size();\n\n char last = s[n-1];\n\n bool cando = true;\n\n string sub, sub2;\n\n while(s.length() >= 5) {\n\n if(last == 'm') {\n\n //eat dream\n\n sub = s.substr(n-5, 5);\n\n if(sub != \"dream\") {\n\n cando=false;\n\n break;\n\n }\n\n s = s.substr(0, n-5);\n\n } else if(last == 'r') {\n\n //eat dreamer or eraser\n\n sub = n >= 6 ? s.substr(n-6, 6) :\"\";\n\n sub2 = n >= 7 ? s.substr(n-7, 7) : \"\";\n\n if(sub == \"eraser\") {\n\n s = s.substr(0, n-6);\n\n } else if(sub2 == \"dreamer\") {\n\n s = s.substr(0, n-7);\n\n } else {\n\n cando=false;\n\n break;\n\n }\n\n } else if(last == 'e') {\n\n //eat erase\n\n sub = s.substr(n-5, 5);\n\n if(sub != \"erase\") {\n\n cando=false;\n\n break;\n\n }\n\n s = s.substr(0, n-5);\n\n } else {\n\n cando=false;\n\n break;\n\n }\n\n n = s.length();\n\n if(n>=5) last = s[n-1];\n\n }\n\n if(s.length() == 0 && cando==true) cout << \"YES\";\n\n else cout << \"NO\";\n\n cout<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002836"}1132{"label": "pie_cpp_validation_002837", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002837.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002837", "task_path": "tasks/validation/pie_cpp_validation_002837.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for(int i=0; i<(n); i++)\n\nusing ll = long long;\n\nusing P = pair<int,int>;\n\nstring res[4] = {\"maerd\",\"remaerd\",\"esare\",\"resare\"};\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n int n = s.size();\n\n int cnt = 0;\n\n reverse(s.begin(),s.end());\n\n int i = 0;\n\n bool ok = true;\n\n while(i < n){\n\n if(i+2 >=n){\n\n ok = false;\n\n break;\n\n }\n\n string hoge = \"\";\n\n hoge += s[i];\n\n hoge += s[i+1];\n\n hoge += s[i+2];\n\n\n\n if( i+2 < n &&hoge == \"mae\"){\n\n if(i+4 >=n){\n\n ok = false;\n\n break;\n\n }\n\n hoge += s[i+3];\n\n hoge += s[i+4];\n\n if(hoge != res[0]){\n\n ok = false;\n\n break;\n\n }\n\n i += 5;\n\n\n\n\n\n }\n\n else if(i+2 < n &&hoge == \"rem\"){\n\n if(i+6>=n ){\n\n ok = false;\n\n break;\n\n }\n\n hoge += s[i+3];\n\n hoge += s[i+4];\n\n hoge += s[i+5];\n\n hoge += s[i+6];\n\n if(hoge != res[1]){\n\n ok = false;\n\n break;\n\n }\n\n i += 7;\n\n\n\n }\n\n else if(i+2 < n &&hoge == \"esa\"){\n\n if(i+4 >=n){\n\n ok = false;\n\n break;\n\n }\n\n hoge += s[i+3];\n\n hoge += s[i+4];\n\n if(hoge != res[2]){\n\n ok = false;\n\n break;\n\n }\n\n i += 5;\n\n\n\n\n\n }\n\n else if(i+2 < n &&hoge== \"res\"){\n\n if(i +5 >= n){\n\n ok = false;\n\n break;\n\n }\n\n hoge += s[i+3];\n\n hoge += s[i+4];\n\n hoge += s[i+5];\n\n if(hoge!= res[3]){\n\n ok = false;\n\n break;\n\n }\n\n i+= 6;\n\n\n\n }\n\n else{\n\n ok = false;\n\n break;\n\n }\n\n }\n\n if(ok)puts(\"YES\");\n\n else puts(\"NO\");\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002837"}1133{"label": "pie_cpp_validation_002838", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002838.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002838", "task_path": "tasks/validation/pie_cpp_validation_002838.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define LOCAL\n\nusing namespace std;\n\ntemplate <typename A, typename B>\n\nostream& operator <<(ostream& out, const pair<A, B>& a) {\n\nout << \"(\" << a.first << \",\" << a.second << \")\";\n\nreturn out;\n\n}\n\ntemplate <typename T, size_t N>\n\nostream& operator <<(ostream& out, const array<T, N>& a) {\n\nout << \"[\"; bool first = true;\n\nfor (auto& v : a) { out << (first ? \"\" : \", \"); out << v; first = 0;} out << \"]\";\n\nreturn out;\n\n}\n\ntemplate <typename T>\n\nostream& operator <<(ostream& out, const vector<T>& a) {\n\nout << \"[\"; bool first = true;\n\nfor (auto& v : a) { out << (first ? \"\" : \", \"); out << v; first = 0;} out << \"]\";\n\nreturn out;\n\n}\n\ntemplate <typename T, class Cmp>\n\nostream& operator <<(ostream& out, const set<T, Cmp>& a) {\n\nout << \"{\"; bool first = true;\n\nfor (auto& v : a) { out << (first ? \"\" : \", \"); out << v; first = 0;} out << \"}\";\n\nreturn out;\n\n}\n\ntemplate <typename U, typename T, class Cmp>\n\nostream& operator <<(ostream& out, const map<U, T, Cmp>& a) {\n\nout << \"{\"; bool first = true;\n\nfor (auto& p : a) { out << (first ? \"\" : \", \"); out << p.first << \":\" << p.second; first = 0;} out << \"}\";\n\nreturn out;\n\n}\n\n#ifdef LOCAL\n\n#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)\n\n#else\n\n#define trace(...) 42\n\n#endif\n\ntemplate <typename Arg1>\n\nvoid __f(const char* name, Arg1&& arg1){\n\ncerr << name << \": \" << arg1 << endl;\n\n}\n\ntemplate <typename Arg1, typename... Args>\n\nvoid __f(const char* names, Arg1&& arg1, Args&&... args){\n\nconst char* comma = strchr(names + 1, ',');\n\ncerr.write(names, comma - names) << \": \" << arg1 << \" |\";\n\n__f(comma + 1, args...);\n\n}\n\n#define rep(i,n) for(int i=0; i<(n); i++)\n\nusing ll = long long;\n\n#define int long long\n\nusing P = pair<int,int>;\n\n//#########################################\n\nsigned main(){\n\n string s;cin >> s;\n\n int n = s.size();\n\n for(int i = 0;i < n;){\n\n if(s.substr(i,5) == \"dream\"){\n\n if(s.substr(i+5,6) == \"eraser\"){\n\n i += 11;\n\n }\n\n else if(s.substr(i+5,5) == \"erase\"){\n\n i += 10;\n\n }\n\n else if(s.substr(i,7) == \"dreamer\"){\n\n i += 7;\n\n }\n\n else {\n\n i+= 5;\n\n }\n\n }\n\n else if(s.substr(i,5) == \"erase\"){\n\n if(s.substr(i,6) == \"eraser\"){\n\n i += 6;\n\n }\n\n else {\n\n i += 5;\n\n }\n\n }\n\n else {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n\n\n\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002838"}1134{"label": "pie_cpp_validation_002839", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002839.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002839", "task_path": "tasks/validation/pie_cpp_validation_002839.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define LOCAL\n\nusing namespace std;\n\ntemplate <typename A, typename B>\n\nostream& operator <<(ostream& out, const pair<A, B>& a) {\n\nout << \"(\" << a.first << \",\" << a.second << \")\";\n\nreturn out;\n\n}\n\ntemplate <typename T, size_t N>\n\nostream& operator <<(ostream& out, const array<T, N>& a) {\n\nout << \"[\"; bool first = true;\n\nfor (auto& v : a) { out << (first ? \"\" : \", \"); out << v; first = 0;} out << \"]\";\n\nreturn out;\n\n}\n\ntemplate <typename T>\n\nostream& operator <<(ostream& out, const vector<T>& a) {\n\nout << \"[\"; bool first = true;\n\nfor (auto& v : a) { out << (first ? \"\" : \", \"); out << v; first = 0;} out << \"]\";\n\nreturn out;\n\n}\n\ntemplate <typename T, class Cmp>\n\nostream& operator <<(ostream& out, const set<T, Cmp>& a) {\n\nout << \"{\"; bool first = true;\n\nfor (auto& v : a) { out << (first ? \"\" : \", \"); out << v; first = 0;} out << \"}\";\n\nreturn out;\n\n}\n\ntemplate <typename U, typename T, class Cmp>\n\nostream& operator <<(ostream& out, const map<U, T, Cmp>& a) {\n\nout << \"{\"; bool first = true;\n\nfor (auto& p : a) { out << (first ? \"\" : \", \"); out << p.first << \":\" << p.second; first = 0;} out << \"}\";\n\nreturn out;\n\n}\n\n#ifdef LOCAL\n\n#define trace(...) __f(#__VA_ARGS__, __VA_ARGS__)\n\n#else\n\n#define trace(...) 42\n\n#endif\n\ntemplate <typename Arg1>\n\nvoid __f(const char* name, Arg1&& arg1){\n\ncerr << name << \": \" << arg1 << endl;\n\n}\n\ntemplate <typename Arg1, typename... Args>\n\nvoid __f(const char* names, Arg1&& arg1, Args&&... args){\n\nconst char* comma = strchr(names + 1, ',');\n\ncerr.write(names, comma - names) << \": \" << arg1 << \" |\";\n\n__f(comma + 1, args...);\n\n}\n\n#define rep(i,n) for(int i=0; i<(n); i++)\n\nusing ll = long long;\n\n#define int long long\n\nusing P = pair<int,int>;\n\n//#########################################\n\nvector<string> str = {\"dreameraser\",\"dreamerase\",\"dreamer\",\"dream\",\"eraser\",\"erase\"};\n\nsigned main(){\n\n string s;cin >> s;\n\n int n = s.size();\n\n auto check = [&](int i,string t){\n\n \n\n return s.substr(i,(int)t.size()) == t;\n\n };\n\n for(int now = 0;now < n;){\n\n bool found = false;\n\n rep(i,6){\n\n if(check(now,str[i])){\n\n now += (int)str[i].size();\n\n found = true;\n\n break;\n\n }\n\n }\n\n if(!found){\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002839"}1135{"label": "pie_cpp_validation_002840", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 23, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 23, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002840.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002840", "task_path": "tasks/validation/pie_cpp_validation_002840.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <queue>\n\n#include <map>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <string>\n\n\n\n#define rep(i, n) for(int i=0;i<(int)(n);i++)\n\n\n\nusing namespace std;\n\n\n\ntemplate<class T>\n\ninline bool chmin(T &a, T b) {\n\n if (a > b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\n\n\ntemplate<class T>\n\ninline bool chmax(T &a, T b) {\n\n if (a < b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\n\n\nstring S;\n\n\n\nint main() {\n\n cin >> S;\n\n\n\n reverse(S.begin(), S.end());\n\n\n\n while (S.length() > 0) {\n\n if (S.substr(0, 7) == \"remaerd\") {\n\n S = S.substr(7, S.length() - 7);\n\n } else if (S.substr(0, 6) == \"resare\") {\n\n S = S.substr(6, S.length() - 6);\n\n } else if (S.substr(0, 5) == \"maerd\") {\n\n S = S.substr(5, S.length() - 5);\n\n } else if (S.substr(0, 5) == \"esare\") {\n\n S = S.substr(5, S.length() - 5);\n\n } else {\n\n cout << \"NO\" << endl;\n\n exit(0);\n\n }\n\n }\n\n\n\n cout << \"YES\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002840"}1136{"label": "pie_cpp_validation_002841", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002841.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002841", "task_path": "tasks/validation/pie_cpp_validation_002841.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n\n\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for(int i=(a); i<(b); i++)\n\n#define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--)\n\n#define REP(i,n) for(int i=0; i<(n); i++)\n\n#define RREP(i,n) for (int i=(n)-1;i>=0;i--)\n\n#define LL long long;\n\n#define ULL unsigned long long;\n\nusing namespace std;\n\n\n\nstring str;\n\n\n\nint main() {\n\n\tcin>>str;\n\n\treverse(str.begin(), str.end());\n\n\tcout<<(regex_replace(str, regex(\"maerd|remaerd|esare|resare\"), \"\").empty()?\"YES\":\"NO\")<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002841"}1137{"label": "pie_cpp_validation_002842", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002842.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002842", "task_path": "tasks/validation/pie_cpp_validation_002842.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = int64_t;\n\n#define rep(i,n) for(int i = 0; i < ((int)(n)); i++) // 0-indexed\u6607\u9806\n\n\n\nint main() {\n\n string S; cin >> S;\n\n vector<string> V = {\n\n \"dreamer\",\n\n \"eraser\",\n\n \"dream\",\n\n \"erase\"};\n\n \n\n stack<pair<ll,ll>> ST;\n\n ll pos = 0;\n\n ll cur = 0;\n\n while(1) {\n\n string T = V[cur];\n\n if (S.find(T, pos) == pos) {\n\n if (cur < V.size() - 1) ST.push({pos,cur+1});\n\n pos += T.size();\n\n if (pos == S.size()) {\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n cur = 0;\n\n continue;\n\n }\n\n if (++cur < V.size()) continue;\n\n if (!ST.empty()) {\n\n pair<int,int> P = ST.top(); ST.pop();\n\n pos = P.first;\n\n cur = P.second;\n\n continue;\n\n }\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002842"}1138{"label": "pie_cpp_validation_002843", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002843.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002843", "task_path": "tasks/validation/pie_cpp_validation_002843.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n// C++ 14\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n#define loop(__x, __start, __end) for(ll __x = __start; __x < __end; __x++)\n\n\n\nvector<string> S {\n\n \"dream\",\n\n \"dreamer\",\n\n \"eraser\",\n\n \"erase\",\n\n};\n\n\n\nint main() {\n\n string t; cin >> t;\n\n reverse(t.begin(), t.end());\n\n for (auto&& s: S) reverse(s.begin(), s.end());\n\n while (t != \"\") {\n\n bool ok = false;\n\n for (auto &&s: S) {\n\n if (t.find(s) == 0) {\n\n t = t.substr(s.size());\n\n ok = true;\n\n break;\n\n }\n\n }\n\n \n\n if (!ok) {\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n \n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002843"}1139{"label": "pie_cpp_validation_002844", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002844.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002844", "task_path": "tasks/validation/pie_cpp_validation_002844.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i, n) for(int i = 0; i < n; ++i)\n\n#define all(a) a.begin(), a.end()\n\n#define ll long long\n\n#define mod 1e9+7\n\n\n\nusing namespace std;\n\n\n\nvoid remove(string& str, const string& replace) {\n\n size_t pos = 0;\n\n while ((pos = str.find(replace, pos)) != string::npos) {\n\n str.replace(pos, replace.length(), \"\");\n\n }\n\n}\n\n\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n\n\n remove(s, \"eraser\");\n\n remove(s, \"erase\");\n\n remove(s, \"dreamer\");\n\n remove(s, \"dream\");\n\n\n\n cout << (s.empty() ? \"YES\" : \"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002844"}1140{"label": "pie_cpp_validation_002845", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 18, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 18, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002845.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002845", "task_path": "tasks/validation/pie_cpp_validation_002845.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n\n\nstring divide[4]={\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nbool dfs(string s, int start, int end){\n\n if(end > s.length()){\n\n return false;\n\n }\n\n if(end - start<5){\n\n if(dfs(s, start, start+5))return true;\n\n if(dfs(s, start, start+6))return true;\n\n if(dfs(s, start, start+7))return true;\n\n }\n\n for(int i=0;i<4;++i){\n\n if(s.substr(start,end-start)==divide[i]){\n\n if(end == s.length())return true;\n\n if(dfs(s, end, end+5) || dfs(s,end,end+6) || dfs(s,end,end+7))return true;\n\n }\n\n }\n\n return false;\n\n}\n\n\n\nint main(int argc, char const *argv[])\n\n{\n\n string s;\n\n cin >> s;\n\n dfs(s, 0, 0) ? cout << \"YES\" << endl : cout << \"NO\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002845"}1141{"label": "pie_cpp_validation_002846", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002846.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002846", "task_path": "tasks/validation/pie_cpp_validation_002846.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <queue>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\" };\n\n\n\nint main(int argc, char const *argv[])\n\n{\n\n string s;\n\n cin >> s;\n\n queue<int> q;\n\n q.push(0);\n\n uint32_t idx;\n\n bool ret = false;\n\n while(!q.empty()){\n\n idx = q.front();\n\n if(idx == s.size()){\n\n ret = true;\n\n break;\n\n }\n\n q.pop();\n\n for(int i=0;i<4;++i){\n\n if(s.substr(idx,divide[i].size())==divide[i]){\n\n q.push(idx+divide[i].size());\n\n }\n\n }\n\n }\n\n ret ? cout << \"YES\" << endl: cout << \"NO\"<< endl;\n\n \n\n // /* code */\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002846"}1142{"label": "pie_cpp_validation_002847", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 12, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 12, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002847.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002847", "task_path": "tasks/validation/pie_cpp_validation_002847.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for (int i = (a); i < (b); ++i)\n\n#define RFOR(i,a,b) for (int i = (b)-1; i >= (a); --i)\n\n#define rep(i,n) FOR(i,0,(n))\n\n#define REPS(i,n) FOR(i,1,(n)+1)\n\n#define RREP(i,n) RFOR(i,0,(n))\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define RALL(x) (x).rbegin(),(x).rend()\n\n#define DEBUG(x) cout << #x << \" = \" << (x) << endl;\n\n#define SORT(x) sort(ALL(x));\n\n#define RSORT(x) sort(RALL(x));\n\n#define SUM(x) accumulate(ALL(x),0);\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing pii = pair<int, int>;\n\nusing tiii = tuple<int, int, int>;\n\nconst ll mod = 1e9+7;\n\nconst int INF = (1<<30)-1;\n\nconst ll INFLL = (1LL<<62)-1;\n\nconst int dx[4] = {1,0,-1,0};\n\nconst int dy[4] = {0,1,0,-1};\n\n//cout << fixed << setprecision(10);\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\ntemplate<class T> inline int sgn(T n) { if (n > 0) return 1; else if (n < 0) return -1; else return 0; }\n\n\n\nll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;}\n\nll lcm(ll a, ll b) { return a/gcd(a,b)*b;}\n\n\n\nint main () {\n\n cin.tie(nullptr);\n\n ios::sync_with_stdio(false);\n\n \n\n string s;\n\n cin >> s;\n\n\n\n int n = sz(s);\n\n\n\n string t;\n\n string tmp;\n\n for (int i = n-1; i >= 0; --i) {\n\n tmp = s[i] + tmp;\n\n if (tmp == \"dream\" || tmp == \"dreamer\" || tmp == \"erase\" || tmp == \"eraser\") {\n\n t = tmp + t;\n\n tmp = \"\";\n\n }\n\n }\n\n\n\n puts(s==t ? \"YES\" : \"NO\");\n\n }\n```", "split": "validation", "task_id": "pie_cpp_validation_002847"}1143{"label": "pie_cpp_validation_002848", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002848.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002848", "task_path": "tasks/validation/pie_cpp_validation_002848.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for (int i = (a); i < (b); ++i)\n\n#define RFOR(i,a,b) for (int i = (b)-1; i >= (a); --i)\n\n#define rep(i,n) FOR(i,0,(n))\n\n#define REPS(i,n) FOR(i,1,(n)+1)\n\n#define RREP(i,n) RFOR(i,0,(n))\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define RALL(x) (x).rbegin(),(x).rend()\n\n#define DEBUG(x) cout << #x << \" = \" << (x) << endl;\n\n#define SORT(x) sort(ALL(x));\n\n#define RSORT(x) sort(RALL(x));\n\n#define SUM(x) accumulate(ALL(x),0);\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing pii = pair<int, int>;\n\nusing tiii = tuple<int, int, int>;\n\nconst ll mod = 1e9+7;\n\nconst int INF = (1<<30)-1;\n\nconst ll INFLL = (1LL<<62)-1;\n\nconst int dx[4] = {1,0,-1,0};\n\nconst int dy[4] = {0,1,0,-1};\n\n//cout << fixed << setprecision(10);\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;}\n\nll lcm(ll a, ll b) { return a/gcd(a,b)*b;}\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main () {\n\n string s;\n\n cin >> s;\n\n\n\n reverse(ALL(s));\n\n rep(i,4) reverse(ALL(divide[i]));\n\n\n\n bool can = true;\n\n rep(i,s.size()) {\n\n bool can2 = false;\n\n rep(j,4) {\n\n string d = divide[j];\n\n if (s.substr(i,d.size()) == d) {\n\n can2 = true;\n\n i += d.size()-1;\n\n }\n\n }\n\n if (!can2) {\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002848"}1144{"label": "pie_cpp_validation_002849", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002849.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002849", "task_path": "tasks/validation/pie_cpp_validation_002849.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for (int i = (a); i < (b); ++i)\n\n#define RFOR(i,a,b) for (int i = (b)-1; i >= (a); --i)\n\n#define rep(i,n) FOR(i,0,(n))\n\n#define REPS(i,n) FOR(i,1,(n)+1)\n\n#define RREP(i,n) RFOR(i,0,(n))\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define RALL(x) (x).rbegin(),(x).rend()\n\n#define DEBUG(x) cout << #x << \" = \" << (x) << endl;\n\n#define SORT(x) sort(ALL(x));\n\n#define RSORT(x) sort(RALL(x));\n\n#define SUM(x) accumulate(ALL(x),0);\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing pii = pair<int, int>;\n\nusing tiii = tuple<int, int, int>;\n\nconst ll mod = 1e9+7;\n\nconst int INF = (1<<30)-1;\n\nconst ll INFLL = (1LL<<62)-1;\n\nconst int dx[4] = {1,0,-1,0};\n\nconst int dy[4] = {0,1,0,-1};\n\n//cout << fixed << setprecision(10);\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;}\n\nll lcm(ll a, ll b) { return a/gcd(a,b)*b;}\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\nbool dp[100010];\n\n\n\nint main () {\n\n string s;\n\n cin >> s;\n\n\n\n dp[0] = 1;\n\n rep(i,s.size()) {\n\n if (!dp[i]) continue;\n\n for (string d : divide) {\n\n if (s.substr(i,d.size()) == d) {\n\n dp[i+d.size()] = 1;\n\n }\n\n }\n\n }\n\n\n\n cout << (dp[s.size()] ? \"YES\" : \"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002849"}1145{"label": "pie_cpp_validation_002850", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 28, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 28, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002850.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002850", "task_path": "tasks/validation/pie_cpp_validation_002850.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for (int i = (a); i < (b); ++i)\n\n#define RFOR(i,a,b) for (int i = (b)-1; i >= (a); --i)\n\n#define rep(i,n) FOR(i,0,(n))\n\n#define REPS(i,n) FOR(i,1,(n)+1)\n\n#define RREP(i,n) RFOR(i,0,(n))\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define RALL(x) (x).rbegin(),(x).rend()\n\n#define DEBUG(x) cout << #x << \" = \" << (x) << endl;\n\n#define SORT(x) sort(ALL(x));\n\n#define RSORT(x) sort(RALL(x));\n\n#define SUM(x) accumulate(ALL(x),0);\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing pii = pair<int, int>;\n\nusing tiii = tuple<int, int, int>;\n\nconst ll mod = 1e9+7;\n\nconst int INF = (1<<30)-1;\n\nconst ll INFLL = (1LL<<62)-1;\n\nconst int dx[4] = {1,0,-1,0};\n\nconst int dy[4] = {0,1,0,-1};\n\n//cout << fixed << setprecision(10);\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;}\n\nll lcm(ll a, ll b) { return a/gcd(a,b)*b;}\n\n\n\nint main () {\n\n string s;\n\n cin >> s;\n\n\n\n puts(regex_match(s, regex(\"(dream|dreamer|erase|eraser)*\")) ? \"YES\" : \"NO\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002850"}1146{"label": "pie_cpp_validation_002851", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002851.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002851", "task_path": "tasks/validation/pie_cpp_validation_002851.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define FOR(i,a,b) for (int i = (a); i < (b); ++i)\n\n#define RFOR(i,a,b) for (int i = (b)-1; i >= (a); --i)\n\n#define rep(i,n) FOR(i,0,(n))\n\n#define REPS(i,n) FOR(i,1,(n)+1)\n\n#define RREP(i,n) RFOR(i,0,(n))\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define RALL(x) (x).rbegin(),(x).rend()\n\n#define DEBUG(x) cout << #x << \" = \" << (x) << endl;\n\n#define SORT(x) sort(ALL(x));\n\n#define RSORT(x) sort(RALL(x));\n\n#define SUM(x) accumulate(ALL(x),0);\n\n#define fi first\n\n#define se second\n\n#define pb push_back\n\n#define eb emplace_back\n\n#define sz(x) (int)(x).size()\n\n#define bn(x) ((1<<x)-1)\n\n#define dup(x,y) (((x)+(y)-1)/(y))\n\nusing namespace std;\n\nusing ll = long long;\n\nusing vi = vector<int>;\n\nusing vvi = vector<vi>;\n\nusing vll = vector<ll>;\n\nusing pii = pair<int, int>;\n\nusing tiii = tuple<int, int, int>;\n\nconst ll mod = 1e9+7;\n\nconst int INF = (1<<30)-1;\n\nconst ll INFLL = (1LL<<62)-1;\n\nconst int dx[4] = {1,0,-1,0};\n\nconst int dy[4] = {0,1,0,-1};\n\n//cout << fixed << setprecision(10);\n\n\n\ntemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }\n\ntemplate<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }\n\n\n\nll gcd(ll a, ll b) { return b ? gcd(b,a%b) : a;}\n\nll lcm(ll a, ll b) { return a/gcd(a,b)*b;}\n\n\n\nint main () {\n\n string s;\n\n cin >> s;\n\n\n\n puts(regex_match(s, regex(\"(dream(er)?|eraser?)*\")) ? \"YES\" : \"NO\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002851"}1147{"label": "pie_cpp_validation_002852", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002852.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002852", "task_path": "tasks/validation/pie_cpp_validation_002852.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n// https://atcoder.jp/contests/abc049/tasks/arc065_a\n\n\n\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n#define max(a, b) (((a) > (b)) ? (a) : (b))\n\n#define min(a, b) (((a) < (b)) ? (a) : (b))\n\n\n\n//\u3000\u898b\u3064\u304b\u3063\u305f\u3089\u6b21\u306e\u6841\u6570\u3001\u898b\u3064\u304b\u3089\u306a\u3051\u308c\u3070-1\n\nint vsearch(string s, int i) {\n\n int ret = -1, len = s.size();\n\n if (len == i) {\n\n return i;\n\n }\n\n if (s.substr(i, 5) == \"dream\") {\n\n ret = vsearch(s, i + 5);\n\n if (len == ret) {\n\n return ret;\n\n }\n\n }\n\n if (s.substr(i, 7) == \"dreamer\") {\n\n ret = vsearch(s, i + 7);\n\n if (len == ret) {\n\n return ret;\n\n }\n\n }\n\n if (s.substr(i, 5) == \"erase\") {\n\n ret = vsearch(s, i + 5);\n\n if (len == ret) {\n\n return ret;\n\n }\n\n }\n\n if (s.substr(i, 6) == \"eraser\") {\n\n ret = vsearch(s, i + 6);\n\n if (len == ret) {\n\n return ret;\n\n }\n\n }\n\n return ret;\n\n}\n\n\n\nint main() {\n\n int ans = 0;\n\n string s;\n\n cin >> s;\n\n\n\n ans = vsearch(s, 0);\n\n if (ans == -1) {\n\n cout << \"NO\" << endl;\n\n } else {\n\n cout << \"YES\" << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002852"}1148{"label": "pie_cpp_validation_002853", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 4, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 4, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002853.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002853", "task_path": "tasks/validation/pie_cpp_validation_002853.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n// https://atcoder.jp/contests/abc049/tasks/arc065_a\n\n\n\n#include <algorithm>\n\n#include <iostream>\n\n#include <string>\n\nusing namespace std;\n\n#define max(a, b) (((a) > (b)) ? (a) : (b))\n\n#define min(a, b) (((a) < (b)) ? (a) : (b))\n\n\n\nint main() {\n\n int pos = 0, find = 0;\n\n string s, w[] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n cin >> s;\n\n\n\n // \u9006\u9806\u306b\u3057\u3066\u304b\u3089\u63a2\u3059\n\n reverse(s.begin(), s.end());\n\n for (int i = 0; i < 4; i++) {\n\n reverse(w[i].begin(), w[i].end());\n\n }\n\n\n\n while (pos < s.length()) {\n\n find = 0;\n\n for (int i = 0; i < 4; i++) {\n\n if (s.substr(pos, w[i].length()) == w[i]) {\n\n pos += w[i].length();\n\n find = 1;\n\n break;\n\n }\n\n }\n\n if (find == 0) {\n\n break;\n\n }\n\n }\n\n\n\n if (pos == s.length()) {\n\n cout << \"YES\" << endl;\n\n } else {\n\n cout << \"NO\" << endl;\n\n }\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002853"}1149{"label": "pie_cpp_validation_002854", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002854.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002854", "task_path": "tasks/validation/pie_cpp_validation_002854.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <sstream>\n\n#include <regex>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <cctype>\n\n#include <string>\n\n#include <vector>\n\n#include <list>\n\n#include <set>\n\n#include <map>\n\n#include <queue>\n\n#include <stack>\n\n#include <algorithm>\n\n#include <functional>\n\n\n\nusing namespace std;\n\nusing ll = long long int;\n\n#define rep(i,n) for(int i = 0; i < n; i++)\n\n#define FOR(i, a, b) for(int i = (a); i < (b) ; i++)\n\n#define pb push_back\n\n#define SORT(v,n) sort(v, v+n)\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define debug(x) cerr << #x << \": \" << x << '\\n'\n\n#define elif else if\n\n#define itn ll\n\n#define int ll\n\n//const int INF = 100100100;\n\nconst int INF = (1LL<<32);\n\nconst int MOD = (int)1e9 + 7;\n\nconst double EPS = 1e-9;\n\nint dx[8] = { 1, 0, -1, 0, 1, -1, -1, 1 };\n\nint dy[8] = { 0, 1, 0, -1, 1, 1, -1, -1 };\n\ntypedef vector<vector<int>> vvi;\n\ntypedef vector<vector<vector<int>>> vvvi;\n\n\n\n\n\nsigned main() {\n\n\tios::sync_with_stdio(false);\n\n\tstring s;\n\n\tcin >> s;\n\n\tcout << (regex_match(s, regex(\"(dream(er)?|eraser?)*\")) ? \"YES\" : \"NO\") << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002854"}1150{"label": "pie_cpp_validation_002855", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002855.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002855", "task_path": "tasks/validation/pie_cpp_validation_002855.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <sstream>\n\n#include <regex>\n\n#include <cstdio>\n\n#include <cmath>\n\n#include <cctype>\n\n#include <string>\n\n#include <vector>\n\n#include <list>\n\n#include <set>\n\n#include <map>\n\n#include <queue>\n\n#include <stack>\n\n#include <algorithm>\n\n#include <functional>\n\n\n\nusing namespace std;\n\nusing ll = long long int;\n\n#define rep(i,n) for(int i = 0; i < n; i++)\n\n#define FOR(i, a, b) for(int i = (a); i < (b) ; i++)\n\n#define pb push_back\n\n#define SORT(v,n) sort(v, v+n)\n\n#define ALL(x) (x).begin(),(x).end()\n\n#define debug(x) cerr << #x << \": \" << x << '\\n'\n\n#define elif else if\n\n#define itn ll\n\n#define int ll\n\n//const int INF = 100100100;\n\nconst int INF = (1LL<<32);\n\nconst int MOD = (int)1e9 + 7;\n\nconst double EPS = 1e-9;\n\nint dx[8] = { 1, 0, -1, 0, 1, -1, -1, 1 };\n\nint dy[8] = { 0, 1, 0, -1, 1, 1, -1, -1 };\n\ntypedef vector<vector<int>> vvi;\n\ntypedef vector<vector<vector<int>>> vvvi;\n\n\n\nstring divide[4] = { \"dream\",\"dreamer\",\"erase\",\"eraser\" };\n\n\n\nstring s;\n\nbool can = false;\n\nbool dp[1000010];\n\n\n\nsigned main() {\n\n\tios::sync_with_stdio(false);\n\n\tcin >> s;\n\n\tdp[0] = true;\n\n\trep(i, s.size()) {\n\n\t\tif (!dp[i]) continue;\n\n\t\trep(j, 4) {\n\n\t\t\tstring d = divide[j];\n\n\t\t\tif (s.substr(i,d.size()) == d) {\n\n\t\t\t\tdp[i + d.size()] = true;\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\tif (dp[s.size()]) cout << \"YES\\n\";\n\n\telse cout << \"NO\\n\";\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002855"}1151{"label": "pie_cpp_validation_002856", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002856.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002856", "task_path": "tasks/validation/pie_cpp_validation_002856.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,f,n) for(ll i=(f); (i) < (n); i++)\n\n#define repe(i,f,n) for(ll i=(f); (i) <= (n); i++)\n\nusing namespace std;\n\nusing ll = long long;\n\n#define MOD (ll)1000000007\n\n#define PI 3.14159265359\n\n#define debug(x) cout<<#x<<\" :: \"<<x<<\"\\n\";\n\n#define debug2(x,y) cout<<#x<<\" :: \"<<x<<\"\\t\"<<#y<<\" :: \"<<y<<\"\\n\";\n\n#define debug3(x,y,z) cout<<#x<<\" :: \"<<x<<\"\\t\"<<#y<<\" :: \"<<y<<\"\\t\"<<#z<<\" :: \"<<z<<\"\\n\";\n\n#define P pair<int, int>\n\n#define Pl pair<ll, ll>\n\n#define dvec vector<vector<ll>>\n\n//printf(\"%.10f\\n\")\n\n//cout << fixed << setprecision(10);\n\ntemplate<class T> inline bool chmax(T& a, T b){if (a < b) { a = b; return true; } return false;}\n\ntemplate<class T> inline bool chmin(T& a, T b){if (a > b) { a = b; return true; } return false;}\n\nll INF = 1e+18;\n\nint iINF = 1e9;\n\n\n\n\n\nint main()\n\n{\n\n string S; cin >> S;\n\n reverse(S.begin(), S.end());\n\n int sz = S.size(); --sz;\n\n int index = 0;\n\n vector<string> cand = {\"maerd\", \"remaerd\", \"resare\", \"esare\"};\n\n\n\n \n\n for(; index < sz ;){\n\n if(S.substr(index, cand[0].size()) == \"maerd\") index += cand[0].size();\n\n else if(S.substr(index, cand[1].size()) == \"remaerd\") index += cand[1].size();\n\n else if(S.substr(index, cand[2].size()) == \"resare\") index += cand[2].size();\n\n else if(S.substr(index, cand[3].size()) == \"esare\") index += cand[3].size();\n\n else { cout << \"NO\" << endl;return 0;}\n\n }\n\n\n\n cout << \"YES\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002856"}1152{"label": "pie_cpp_validation_002857", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 9, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 9, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002857.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002857", "task_path": "tasks/validation/pie_cpp_validation_002857.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define rep(i,f,n) for(ll i=(f); (i) < (n); i++)\n\n#define repe(i,f,n) for(ll i=(f); (i) <= (n); i++)\n\nusing namespace std;\n\nusing ll = long long;\n\n#define MOD (ll)1000000007\n\n#define PI 3.14159265359\n\n#define debug(x) cout<<#x<<\" :: \"<<x<<\"\\n\";\n\n#define debug2(x,y) cout<<#x<<\" :: \"<<x<<\"\\t\"<<#y<<\" :: \"<<y<<\"\\n\";\n\n#define debug3(x,y,z) cout<<#x<<\" :: \"<<x<<\"\\t\"<<#y<<\" :: \"<<y<<\"\\t\"<<#z<<\" :: \"<<z<<\"\\n\";\n\n#define P pair<int, int>\n\n#define Pl pair<ll, ll>\n\n#define dvec vector<vector<ll>>\n\n//printf(\"%.10f\\n\")\n\n//cout << fixed << setprecision(10);\n\ntemplate<class T> inline bool chmax(T& a, T b){if (a < b) { a = b; return true; } return false;}\n\ntemplate<class T> inline bool chmin(T& a, T b){if (a > b) { a = b; return true; } return false;}\n\nll INF = 1e+18;\n\nint iINF = 1e9;\n\n\n\n\n\nint main()\n\n{\n\n string S; cin >> S;\n\n reverse(S.begin(), S.end());\n\n int sz = S.size(); --sz;\n\n int index = 0;\n\n\n\n while(index < sz){\n\n if(S.substr(index, 5) == \"maerd\") index += 5;\n\n else if(S.substr(index, 7) == \"remaerd\") index += 7;\n\n else if(S.substr(index, 6) == \"resare\") index += 6;\n\n else if(S.substr(index, 5) == \"esare\") index += 5;\n\n else { cout << \"NO\" << endl;return 0;}\n\n }\n\n\n\n cout << \"YES\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002857"}1153{"label": "pie_cpp_validation_002858", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 5, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 5, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002858.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002858", "task_path": "tasks/validation/pie_cpp_validation_002858.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <vector>\n\n#include <algorithm>\n\n#include <cmath>\n\n#include <string>\n\n#include <cstdlib>\n\n#include <stack>\n\n#include <queue>\n\n#include <valarray>\n\n#include <utility>\n\n#include <set>\n\n\n\nusing namespace std;\n\n\n\n#define rep(i,n) for(int i=0;i<(int)(n);i++)\n\n#define rep2(i,n) for(int i=1;i<=(int)(n);i++)\n\n#define rep3(i,n) for(int i=0;i<=(int)(n);i++)\n\n#define REP(i,m,n) for(int i=m;i<(int)(n);i++)\n\n#define REP2(i,m,n) for(int i=m+1;i<=(int)(n);i++)\n\n#define REP3(i,m,n) for(int i=m;i<=(int)(n);i++)\n\n#define INF 500000000 //\n\n#define INFLL 1000000000000000000 //\n\n#define MOD (1e9)+7\n\n\n\ntypedef long long int ll;\n\n\n\n// a 0x61 z 0x7a 0 0x30\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n bool suc = true;\n\n\n\n while (!s.empty()) {\n\n\n\n if (s.length() < 5) {\n\n\n\n suc = false;\n\n break;\n\n\n\n } else if (s.substr(0, 5) == \"dream\") {\n\n\n\n s.erase(s.begin(), s.begin() + 5);\n\n \n\n if (s[0] == 'e' && s[1] == 'r' && s.substr(0, 5) != \"erase\") {\n\n s.erase(s.begin());\n\n s.erase(s.begin());\n\n }\n\n\n\n } else if (s.substr(0, 5) == \"erase\") {\n\n\n\n s.erase(s.begin(), s.begin() + 5);\n\n if (s[0] == 'r') s.erase(s.begin());\n\n\n\n } else {\n\n\n\n suc = false;\n\n break;\n\n\n\n }\n\n }\n\n\n\n cout << (suc ? \"YES\" : \"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002858"}1154{"label": "pie_cpp_validation_002859", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002859.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002859", "task_path": "tasks/validation/pie_cpp_validation_002859.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include <string>\n\n#include <algorithm>\n\n\n\nint main()\n\n{\n\n std::string s;\n\n std::cin >> s;\n\n \n\n std::reverse(s.begin(), s.end());\n\n\n\n const struct word_def\n\n {\n\n std::string str;\n\n int length;\n\n } words[4] =\n\n {\n\n {\"maerd\", 5},\n\n {\"remaerd\", 7},\n\n {\"esare\", 5},\n\n {\"resare\", 6},\n\n };\n\n\n\n std::string::size_type length = s.size();\n\n std::string::size_type index = 0;\n\n while(index < length)\n\n {\n\n bool b = false;\n\n for(auto w : words)\n\n {\n\n if(index + w.length <= length && s.substr(index, w.length) == w.str)\n\n {\n\n index += w.length;\n\n b = true;\n\n break;\n\n }\n\n }\n\n if(!b)\n\n {\n\n break;\n\n }\n\n }\n\n \n\n printf(\"%s\", (index < length) ? \"NO\" : \"YES\");\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002859"}1155{"label": "pie_cpp_validation_002860", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002860.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002860", "task_path": "tasks/validation/pie_cpp_validation_002860.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include <string>\n\n#include <algorithm>\n\n\n\nint main()\n\n{\n\n std::string s;\n\n std::cin >> s;\n\n \n\n const struct word_def\n\n {\n\n std::string str;\n\n int length;\n\n } words[4] =\n\n {\n\n {\"dream\", 5},\n\n {\"dreamer\", 7},\n\n {\"erase\", 5},\n\n {\"eraser\", 6},\n\n };\n\n \n\n auto r_itr = s.rbegin();\n\n bool found = true;\n\n while(r_itr != s.rend() && found)\n\n {\n\n found = false;\n\n for(auto w : words)\n\n {\n\n if(std::equal(w.str.rbegin(), w.str.rend(), r_itr))\n\n {\n\n std::advance(r_itr, w.length);\n\n found = true;\n\n break;\n\n }\n\n }\n\n }\n\n \n\n printf(\"%s\", (r_itr != s.rend()) ? \"NO\" : \"YES\");\n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002860"}1156{"label": "pie_cpp_validation_002861", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002861.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002861", "task_path": "tasks/validation/pie_cpp_validation_002861.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define _overload3(_1,_2,_3,name,...) name\n\n#define _rep(i,n) repi(i,0,n)\n\n#define repi(i,a,b) for(int i=int(a);i<int(b);++i)\n\n#define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)\n\n#define all(x) (x).begin(),(x).end()\n\n#define PRINT(V) cout << V << \"\\n\"\n\n#define SORT(V) sort((V).begin(),(V).end())\n\n#define RSORT(V) sort((V).rbegin(), (V).rend())\n\nusing namespace std;\n\nusing ll = long long;\n\ntemplate<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }\n\ntemplate<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }\n\nconst ll INF = 1e10;\n\nconst ll MOD = 1000000007;\n\ntypedef pair<ll,ll> P;\n\nint main(){\n\n string s,t = \"\";\n\n cin >> s;\n\n int i = 0,l = s.length();\n\n s += \"dreamer\";\n\n while(i < l){\n\n if (s[i] == 'd'){\n\n t += \"dream\";\n\n i += 5;\n\n if (s[i] == 'e' && s[i+1] == 'r' && (s[i+2] == 'd' || s[i+2] == 'e')){\n\n t += \"er\";\n\n i += 2;\n\n }\n\n }\n\n else{\n\n t += \"erase\";\n\n i += 5;\n\n if (s[i] == 'r'){\n\n t += \"r\";\n\n i += 1;\n\n }\n\n }\n\n }\n\n bool out = 0;\n\n rep(i,l){\n\n if (t[i] != s[i]) out = 1;\n\n }\n\n if (out || t.length() > l) PRINT(\"NO\");\n\n else PRINT(\"YES\");\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002861"}1157{"label": "pie_cpp_validation_002862", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002862.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002862", "task_path": "tasks/validation/pie_cpp_validation_002862.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, srt, end) for (long long i = (srt); i < (long long)(end); i++)\n\n\n\nint main(){\n\n string S;\n\n cin >> S;\n\n reverse(S.begin(), S.end());\n\n vector<string> key = {\"maerd\", \"remaerd\", \"esare\", \"resare\"};\n\n ll i = 0;\n\n while(i < S.size()){\n\n bool f = false;\n\n for(auto k : key){\n\n if(i + k.size() > S.size()) continue;\n\n if(S.substr(i, k.size()) == k){\n\n f = true;\n\n i += k.size();\n\n break;\n\n }\n\n }\n\n if(!f){\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n }\n\n cout << \"YES\" << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002862"}1158{"label": "pie_cpp_validation_002863", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002863.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002863", "task_path": "tasks/validation/pie_cpp_validation_002863.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n#define FOR(i,a,b) for(int i=(a);i<(b);i++)\n\n#define ROF(i,a,b) for(int i=(a)-1;i>=(b);i--)\n\n#define all(a) (a).begin(),(a).end()\n\n#define rall(a) (a).rbegin(),(a).rend() //sort\u3067\u5927\u304d\u3044\u9806\n\n#define UNIQUE(v) v.erase(unique(all(v)),v.end())\n\n#define SUM(a) accumlate(all(a),0)\n\n#define pb push_back\n\n#define fst first\n\n#define snd second\n\ntypedef vector<int> vi;\n\ntypedef vector<vi> vvi;\n\ntypedef vector<string> vs;\n\ntypedef pair<int,int> pii;\n\ntypedef long long ll;\n\n\n\nmain(){\n\n string s; cin >> s;\n\n bool ans;\n\n\n\n int i = s.size();\n\n while(i >= 5){\n\n if(i - 5 >= 0)\n\n if(s.substr(i-5,5) == \"dream\"){\n\n\ti -= 5;\n\n\tcontinue;\n\n }else if(s.substr(i-5,5) == \"erase\"){\n\n\ti -= 5;\n\n\tcontinue;\n\n }\n\n if(i - 6 >= 0 and s.substr(i-6,6) == \"eraser\"){\n\n i -= 6;\n\n continue;\n\n }\n\n if(i - 7 >= 0 and s.substr(i-7,7) == \"dreamer\"){\n\n i -= 7;\n\n continue;\n\n }\n\n cout << \"NO\\n\";\n\n return 0;\n\n }\n\n cout << \"YES\\n\";\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002863"}1159{"label": "pie_cpp_validation_002864", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 10, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 10, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002864.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002864", "task_path": "tasks/validation/pie_cpp_validation_002864.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nint main()\n\n{\n\n string s;\n\n cin >> s;\n\n cout << (regex_match(s, regex(\"(dream(er)?|eraser?)*\")) ? \"YES\" : \"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002864"}1160{"label": "pie_cpp_validation_002865", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002865.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002865", "task_path": "tasks/validation/pie_cpp_validation_002865.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\n\n\n// n\u6587\u5b57\u76ee\u4ee5\u964d\u306e\u6587\u5b57\u304c\u3046\u307e\u304f\u5207\u308c\u308b\u304b\u3092\u8a08\u7b97\n\nbool dfs(int n, vector<string> &v, string S){\n\n if(n == S.size()){\n\n return true;\n\n }\n\n for(auto str: v){\n\n if(n + str.size() <= S.size() && S.substr(n, str.size()) == str){\n\n if(dfs(n + str.size(), v, S)){\n\n return true;\n\n }\n\n }\n\n }\n\n return false;\n\n}\n\n\n\nint main(){\n\n vector<string> v = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\n string S;\n\n cin >> S;\n\n\n\n if(dfs(0, v, S)){\n\n cout << \"YES\" << endl;\n\n }else{\n\n cout << \"NO\" << endl;\n\n }\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002865"}1161{"label": "pie_cpp_validation_002866", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002866.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002866", "task_path": "tasks/validation/pie_cpp_validation_002866.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n // \u5f8c\u308d\u304b\u3089\u89e3\u304f\u304b\u308f\u308a\u306b\u3059\u3079\u3066\u306e\u6587\u5b57\u5217\u3092\u300c\u5de6\u53f3\u53cd\u8ee2\u300d\u3059\u308b\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end());\n\n\n\n // \u7aef\u304b\u3089\u5207\u3063\u3066\u3044\u304f\n\n bool can = true;\n\n for (int i = 0; i < S.size();) {\n\n bool can2 = false; // 4 \u500b\u306e\u6587\u5b57\u5217\u305f\u3061\u3069\u308c\u304b\u3067 divide \u3067\u304d\u308b\u304b\n\n for (int j = 0; j < 4; ++j) {\n\n string d = divide[j];\n\n if (S.substr(i, d.size()) == d) { // d \u3067 divide \u3067\u304d\u308b\u304b\n\n can2 = true;\n\n i += d.size(); // divide \u3067\u304d\u305f\u3089 i \u3092\u9032\u3081\u308b\n\n }\n\n }\n\n if (!can2) { // divide \u3067\u304d\u306a\u304b\u3063\u305f\u3089\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002866"}1162{"label": "pie_cpp_validation_002867", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 55, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 55, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002867.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002867", "task_path": "tasks/validation/pie_cpp_validation_002867.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\nusing namespace std;\n\n \n\nint main(){\n\n int ans=0;\n\n string s;\n\n string list[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n int len[4] = {5, 7, 5, 6};\n\n \n\n cin >> s;\n\n \n\n int max_iter = 200000;\n\n \n\n string pre_str = s;\n\n bool flag = false;\n\n bool flag2 = false;\n\n int ptr = 4;\n\n \n\n for(int i=0; i<max_iter; i++){\n\n \n\n flag = false;\n\n \n\n for(int j=0; j<4; j++){\n\n \n\n if(flag2){\n\n flag2 = false;\n\n if(ptr > 3){\n\n break;\n\n }\n\n j = ptr;\n\n }\n\n \n\n if(s.compare(0,len[j],list[j]) == 0){\n\n pre_str = s;\n\n s.erase(0,len[j]);\n\n flag = true;\n\n ptr = j+1;\n\n break;\n\n }\n\n }\n\n \n\n if(s.compare(\"\") == 0){\n\n cout << \"YES\" << endl;\n\n return 0;\n\n }\n\n \n\n if(s.compare(pre_str) == 0){\n\n cout << \"NO\" << endl;\n\n return 0;\n\n }\n\n \n\n if(flag == false){\n\n s = pre_str;\n\n flag2 = true;\n\n i -= 1;\n\n }\n\n }\n\n \n\n \n\n \n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002867"}1163{"label": "pie_cpp_validation_002868", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002868.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002868", "task_path": "tasks/validation/pie_cpp_validation_002868.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include<iostream>\n\nusing namespace std;\n\n\n\nint dp[100005];\n\n\n\nint main(){\n\n string s;\n\n cin>>s;\n\n dp[0]=1;\n\n for(int i=0;i<s.size();i++){\n\n if(dp[i]==0) continue;\n\n if(i+5<=s.size()&&s.substr(i,5)==\"dream\") dp[i+5]=1;\n\n if(i+7<=s.size()&&s.substr(i,7)==\"dreamer\") dp[i+7]=1;\n\n if(i+5<=s.size()&&s.substr(i,5)==\"erase\") dp[i+5]=1;\n\n if(i+6<=s.size()&&s.substr(i,6)==\"eraser\") dp[i+6]=1;\n\n }\n\n if(dp[s.size()]==1) cout<<\"YES\"<<endl;\n\n else cout<<\"NO\"<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002868"}1164{"label": "pie_cpp_validation_002869", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002869.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002869", "task_path": "tasks/validation/pie_cpp_validation_002869.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\n\n\n#define rep(i, n) for(int i = 0; i < (int)n; ++i)\n\n#define FOR(i, a, b) for(int i = a; i < (int)b; ++i)\n\n\n\ntypedef long long ll;\n\n\n\nconst int Inf = 1e9;\n\nconst double EPS = 1e-9;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n string s;\n\n cin >> s;\n\n reverse(s.begin(), s.end());\n\n string t[4];\n\n t[0] = \"dream\", t[1] = \"dreamer\";\n\n t[2] = \"erase\", t[3] = \"eraser\";\n\n rep (i, 4) {\n\n reverse(t[i].begin(), t[i].end());\n\n }\n\n int len = s.size();\n\n bool isIn = true;\n\n rep (i, s.size()) {\n\n bool isOk = false;\n\n rep (j, 4) {\n\n string op = t[j];\n\n string tmp = s.substr(i, op.size());\n\n if (tmp == op) {\n\n i += op.size() - 1;\n\n isOk = true;\n\n }\n\n }\n\n if (!isOk) {\n\n isIn = false;\n\n break;\n\n }\n\n }\n\n if (isIn) {\n\n cout << \"YES\" << endl;\n\n } else {\n\n cout << \"NO\" << endl;\n\n }\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002869"}1165{"label": "pie_cpp_validation_002870", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 24, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 24, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002870.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002870", "task_path": "tasks/validation/pie_cpp_validation_002870.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define REP(i, n) for(int i = 0; i < n; i++)\n\n#define REPR(i, n) for(int i = n; i >= 0; i--)\n\n#define FOR(i, m, n) for(int i = m; i < n; i++)\n\n#define FORR(i, m, n) for(int i = m; i >= n; i--)\n\n#define INF (ll)2e9\n\n#define MOD ((ll)1e9+7)\n\n#define ALL(v) v.begin(), v.end()\n\n#define SZ(x) ((int)(x).size())\n\n#define ZERO(a) memset(a,0,sizeof(a))\n\n#define MINUS(a) memset(a,0xff,sizeof(a))\n\n#define y0 y3487465\n\n#define y1 y8687969\n\n#define j0 j1347829\n\n#define j1 j234892\n\n#define next asdnext\n\n#define prev asdprev\n\n#define bit(n) (1LL<<(n))\n\n\n\ntemplate<class T>\n\nbool chmax(T &a, const T &b) {\n\n if (a < b) {\n\n a = b;\n\n return 1;\n\n }\n\n return 0;\n\n}\n\n\n\ntemplate<class T>\n\nbool chmin(T &a, const T &b) {\n\n if (b < a) {\n\n a = b;\n\n return 1;\n\n }\n\n return 0;\n\n}\n\n\n\ntemplate<class InputIterator>\n\nInputIterator adv(InputIterator x, typename std::iterator_traits<InputIterator>::difference_type n) {\n\n advance(x, n);\n\n return x;\n\n}\n\n\n\nclass mod {\n\n static ll fact[];\n\npublic:\n\n\n\n template<class... A>\n\n static ll mul(A... args) {\n\n ll res = 1;\n\n for (ll i : std::initializer_list < ll > {args...}) {\n\n res = (res * i) % MOD;\n\n }\n\n return res;\n\n }\n\n\n\n static ll power(ll base, ll exp) {\n\n if (exp == 0) return 1;\n\n if (exp & 1) {\n\n return mul(base, power(base, exp - 1));\n\n } else {\n\n ll p = power(base, exp / 2);\n\n return mul(p, p);\n\n }\n\n }\n\n\n\n static ll factorial(int n) {\n\n if (fact[n] != 0) return fact[n];\n\n if (n == 0) return 1;\n\n return fact[n] = mul(n, factorial(n - 1));\n\n }\n\n\n\n static ll inverse(int n) {\n\n return power(n, MOD - 2);\n\n }\n\n\n\n static ll comb(int n, int r) {\n\n if (r < 0 || r > n) return 0;\n\n return mul(factorial(n), inverse(factorial(n - r)), inverse(factorial(r)));\n\n }\n\n\n\n template<class... A>\n\n static ll div(ll dividend, A... args) {\n\n ll res = dividend;\n\n for (ll i : std::initializer_list < ll > {args...}) {\n\n res = mul(res, inverse(i));\n\n }\n\n return res;\n\n }\n\n\n\n template<class... A>\n\n static ll add(A... args) {\n\n ll res = 0;\n\n for (ll i : std::initializer_list < ll > {args...}) {\n\n res = (res + i) % MOD;\n\n }\n\n return res;\n\n }\n\n\n\n template<class... A>\n\n static ll sub(ll l, A... args) {\n\n ll res = l;\n\n for (ll i : std::initializer_list < ll > {args...}) {\n\n res = (res - i + MOD) % MOD;\n\n }\n\n return res;\n\n }\n\n};\n\n\n\nll mod::fact[(int) 1e6 + 1];\n\n\n\nint ni() {\n\n int i;\n\n cin >> i;\n\n return i;\n\n}\n\n\n\nll nll() {\n\n ll l;\n\n cin >> l;\n\n return l;\n\n}\n\n\n\nint main() {\n\n string s;\n\n cin >> s;\n\n int N = s.length();\n\n\n\n string words[] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\n REPR(i, N-1) {\n\n REP(j, 4) {\n\n if (s.substr(i, s.length()) == words[j]) {\n\n s.erase(s.end()-words[j].length(), s.end());\n\n break;\n\n }\n\n }\n\n }\n\n\n\n cout << (s == \"\" ? \"YES\" : \"NO\") << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002870"}1166{"label": "pie_cpp_validation_002871", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 8, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 8, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002871.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002871", "task_path": "tasks/validation/pie_cpp_validation_002871.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n//#include <atcoder/all>\n\n#define rep(i, n) for (int i = 0; i < (n); ++i)\n\n// using namespace atcoder;\n\nusing namespace std;\n\nusing ll = long long;\n\nusing P = pair<ll, ll>;\n\n//\u30de\u30af\u30ed\n\n// for\u30eb\u30fc\u30d7\u95a2\u4fc2\n\n//\u5f15\u6570\u306f\u3001(\u30eb\u30fc\u30d7\u5185\u5909\u6570,\u52d5\u304f\u7bc4\u56f2)\u304b(\u30eb\u30fc\u30d7\u5185\u5909\u6570,\u59cb\u3081\u306e\u6570,\u7d42\u308f\u308a\u306e\u6570)\u3001\u306e\u3069\u3061\u3089\u304b\n\n// D\u304c\u3064\u3044\u3066\u306a\u3044\u3082\u306e\u306f\u30eb\u30fc\u30d7\u5909\u6570\u306f1\u305a\u3064\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u3001D\u304c\u3064\u3044\u3066\u308b\u3082\u306e\u306f\u30eb\u30fc\u30d7\u5909\u6570\u306f1\u305a\u3064\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u308b\n\n#define FOR(i, a, b) for (ll i = a; i <= (ll)(b); i++)\n\n#define _GLIBCXX_DEBUG\n\n// x\u306b\u306fvector\u306a\u3069\u306e\u30b3\u30f3\u30c6\u30ca\n\n#define ALL(x) (x).begin(), (x).end() // sort\u306a\u3069\u306e\u5f15\u6570\u3092\u7701\u7565\u3057\u305f\u3044\n\n#define SIZE(x) ((ll)(x).size()) // size\u3092size_t\u304b\u3089ll\u306b\u76f4\u3057\u3066\u304a\u304f\n\n#define MAX(x) *max_element(ALL(x)) //\u6700\u5927\u5024\u3092\u6c42\u3081\u308b\n\n#define MIN(x) *min_element(ALL(x)) //\u6700\u5c0f\u5024\u3092\u6c42\u3081\u308b\n\n//\u5b9a\u6570\n\n#define INF 1000000000000 // 10^12:\u6975\u3081\u3066\u5927\u304d\u3044\u5024,\u221e\n\n#define inf 2147483647 // int\u5024\u306e\u6700\u5927\u5024\n\n#define MOD 1000000007 // 10^9+7:\u5408\u540c\u5f0f\u306e\u6cd5\n\n#define MAXR 100000 // 10^5:\u914d\u5217\u306e\u6700\u5927\u306erange(\u7d20\u6570\u5217\u6319\u306a\u3069\u3067\u4f7f\u7528)\n\n//\u7565\u8a18\n\n#define PB push_back // vector\u30d8\u306e\u633f\u5165\n\n#define MP make_pair // pair\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n\n#define F first // pair\u306e\u4e00\u3064\u76ee\u306e\u8981\u7d20\n\n#define S second // pair\u306e\u4e8c\u3064\u76ee\u306e\u8981\u7d20\n\n#define CST(x) cout << fixed << setprecision(x) //\u5c0f\u6570\u70b9\u4ee5\u4e0b\u306e\u6841\u6570\u6307\u5b9a\n\ntemplate <class T> inline bool chmin(T &a, T b) {\n\n if (a > b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\ntemplate <class T> inline bool chmax(T &a, T b) {\n\n if (a < b) {\n\n a = b;\n\n return true;\n\n }\n\n return false;\n\n}\n\nint gcd(int a, int b) {\n\n if (b == 0)\n\n return a;\n\n else\n\n return gcd(b, a % b);\n\n}\n\nint lcm(int a, int b) {\n\n return a * b / gcd(a, b);\n\n}\n\n//\u5404\u6841\u306e\u548c\n\nint sumDight(int x) {\n\n int sum = 0;\n\n while (x > 0) {\n\n sum += (x % 10);\n\n x /= 10;\n\n }\n\n return sum;\n\n}\n\n//\u56de\u6587\u6570\n\nint divideReverse(int x) {\n\n int reverse = 0;\n\n int r;\n\n while (x > 0) {\n\n r = x % 10;\n\n reverse = reverse * 10 + r;\n\n x /= 10;\n\n }\n\n return reverse;\n\n}\n\n\n\nint main() {\n\n cin.tie(0);\n\n cout.tie(0);\n\n ios::sync_with_stdio(false);\n\n\n\n string s;\n\n cin >> s;\n\n string t=\"\";\n\n int a = s.size();\n\n bool b = false;\n\n rep(i, a) {\n\n t += s[i];\n\n if (t == \"dream\") {\n\n if (s[i + 1] == 'e' && i + 2 < a&&s[i+2]=='r') {\n\n if(s[i+3]=='a'&&i+3<a){\n\n i += 3;\n\n t = \"era\";\n\n }\n\n else{\n\n i += 2;\n\n t = \"\";\n\n }\n\n }\n\n else\n\n t = \"\";\n\n\n\n }\n\n else if (t == \"erase\") {\n\n if (s[i + 1] == 'r' && i + 1 < a) {\n\n i++;\n\n t = \"\";\n\n } else\n\n t = \"\";\n\n }\n\n }\n\n if (t == \"\") cout << \"YES\" << endl;\n\n else\n\n cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002871"}1167{"label": "pie_cpp_validation_002872", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 16, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 16, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002872.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002872", "task_path": "tasks/validation/pie_cpp_validation_002872.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <vector>\n\n#include <map>\n\n#include <string>\n\n#include <cstdio>\n\n#include <algorithm>\n\n#include <cstdlib>\n\n#include <functional>\n\n#include <queue>\n\n#include <utility>\n\nusing namespace std;\n\ntypedef long long ll;\n\nint main(){\n\n string s;\n\n cin >> s;\n\n\n\n bool flag = true;\n\n while(s.size()){\n\n if(s.substr(0,7) == \"dreamer\"){\n\n if(s[7] == 'a')s = s.substr(5);\n\n else s = s.substr(7);\n\n }\n\n else if(s.substr(0,5) == \"dream\")s = s.substr(5);\n\n else if(s.substr(0,6) == \"eraser\")s = s.substr(6);\n\n else if(s.substr(0,5) == \"erase\")s = s.substr(5);\n\n else{\n\n flag = false;\n\n break;\n\n }\n\n }\n\n\n\n if(!flag)cout << \"NO\" << endl;\n\n else cout << \"YES\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002872"}1168{"label": "pie_cpp_validation_002873", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 7, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 7, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002873.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002873", "task_path": "tasks/validation/pie_cpp_validation_002873.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n//----->|try=0; while(!success) try++;|<------\n\n//----->|Belief Yourself,Respect Yourself|<----\n\n//----->|Be Proud Of Yourself,You're Doing Your best|<-----\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\n#define uniq(x) x.erase(unique(x.begin(),x.end()), x.end()) //Unique value find from vector\n\n#define upper(arr,n,fixed) upper_bound(arr,arr+n,fixed)-arr //Upper value search;\n\n#define lower(arr,n,fixed) upper_bound(arr,arr+n,fixed)-arr //Lower value search;\n\n#define max3(a,b,c) max(max(a,b),c)//maximum value find three value;\n\n#define min3(a,b,c) min(min(a,b),c)//minimum value find three value;\n\n#define rep(i,intial,n) for(int i=intial; i<(n) ; i++)\n\n#define REP(i,intial,n) for(int i=intial; i<=(n) ; i++)\n\n#define PI acos(-1.0)//PI Calculation\n\n#define LL long long\n\n#define AND(a,b) ((a) & (b))\n\n#define OR(a,b) ((a)|(b))\n\n#define XOR(a,b) ((a) ^ (b))\n\n#define MP make_pair\n\n#define sqr(x) ((x)*(x))\n\n#define sqrt(x) sqrt(1.0*(x))\n\n#define INF_MAX 2147483647\n\n#define INF_MIN -2147483647\n\n#define MX 1000005\n\n#define MOD 1000000007\n\ntemplate<typename T> T POW(T b,T p) //Pow calculation\n\n{\n\n T r=1;\n\n while(p)\n\n {\n\n if(p&1)r=(r*b);\n\n b=(b*b);\n\n p>>=1;\n\n }\n\n return r;\n\n}\n\n\n\ntemplate<typename T> T BigMod(T b,T p,T m) //BigMod Calculation\n\n{\n\n T r=1;\n\n while(p)\n\n {\n\n if(p&1)r=(r*b)%m;\n\n b=(b*b)%m;\n\n p>>=1;\n\n }\n\n return r;\n\n}\n\n\n\n//||--------------------------->||Main_Code_Start_From_Here||<---------------------------------||\n\nint main()\n\n{\n\n //freopen(\"a.in\", \"r\", stdin);\n\n //freopen(\"a.out\", \"w\", stdout);\n\n string s;\n\n while(cin>>s)\n\n {\n\n string ss=\"\";\n\n //ans=\"dreamdreamererasererase\"\n\n rep(i,0,s.size())\n\n {\n\n ss+=s[i];\n\n if(ss==\"dream\" && s[i+1]!='e')\n\n {\n\n // v.push_back(ss);\n\n //cout<<\"inss = \"<<ss<<endl;\n\n ss=\"\";\n\n }\n\n else if(ss==\"dream\" && s[i+1]=='e' && s[i+2]=='r' && s[i+3]=='a' && s[i+4]=='s' && s[i+5]=='e' && s[i+6]=='r' )\n\n {\n\n ss=\"\";\n\n }\n\n else if(ss==\"dream\" && s[i+1]=='e' && s[i+2]=='r' && s[i+3]=='a' && s[i+4]=='s' && s[i+5]=='e' )\n\n {\n\n ss=\"\";\n\n }\n\n else if(ss==\"dream\" && s[i+1]!='e' && s[i+2]!='r')\n\n {\n\n ss=\"\";\n\n }\n\n //else if(s==)\n\n\n\n\n\n else if(ss==\"dreamer\" && s[i+1]!='a')\n\n {\n\n // v.push_back(ss);\n\n //cout<<\"inss = \"<<ss<<endl;\n\n ss=\"\";\n\n }\n\n else if(ss==\"dreamer\" && s[i+1]=='a' && s[i+2]=='s' && s[i+3]=='e' && s[i+4]=='r' )\n\n {\n\n ss=\"er\";\n\n }\n\n else if(ss==\"dreamer\" && s[i+1]=='a' && s[i+2]=='s' && s[i+3]=='e' )\n\n {\n\n ss=\"e\";\n\n }\n\n else if(ss==\"eraser\")\n\n {\n\n //v.push_back(ss);\n\n ss=\"\";\n\n }\n\n else if((ss==\"erase\"&& s[i+1]!='r'))\n\n {\n\n //v.push_back(ss);\n\n ss=\"\";\n\n }\n\n\n\n }\n\n //cout<<\"ss = \"<<ss<<endl;\n\n if(ss.size()!=0) cout<<\"NO\"<<endl;\n\n else cout<<\"YES\"<<endl;\n\n }\n\n\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002873"}1169{"label": "pie_cpp_validation_002874", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 14, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 14, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002874.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002874", "task_path": "tasks/validation/pie_cpp_validation_002874.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define rep(i, n) for(int i = 0; i<(n); i++)\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\nbool dp[100010];\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n string word[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n dp[0] = true;\n\n rep(i, S.size()) {\n\n if (!dp[i]) continue; // i\u6587\u5b57\u76ee\u307e\u3067\u3092\u3046\u307e\u304f\u5206\u5272\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\n\n\n\n for (string w: word) {\n\n if (S.substr(i, w.size()) == w) dp[i + w.size()] = true;\n\n }\n\n }\n\n cout << (dp[S.size()] ? \"YES\" : \"NO\") << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002874"}1170{"label": "pie_cpp_validation_002875", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 21, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 21, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002875.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002875", "task_path": "tasks/validation/pie_cpp_validation_002875.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <vector>\n\n#include <cmath>\n\n#include <algorithm>\n\n#include <sstream>\n\n#include <map>\n\n#include <queue>\n\n#include <set>\n\n#define rep(i,n) for(int i = 0; i < n; i++)\n\n#define rep1(i,n) for(int i = 1; i <= n; i++)\n\n#define co(x) cout << x <<endl\n\n#define cs(x) cout << x <<\" \"\n\n#define ALL(a) (a).begin(),(a).end()\n\ntypedef long long ll;\n\nusing namespace std;\n\nll mod = 1e9 + 7;\n\nll INF = 1e10;\n\n\n\nint main()\n\n{\n\n\tvector<string> words = { \"dream\",\"dreamer\",\"erase\",\"eraser\" };\n\n\trep(i, 4) reverse(ALL(words[i]));\n\n\tstring s;\n\n\tcin >> s;\n\n\treverse(ALL(s));\n\n\twhile (s.size()>0)\n\n\t{\n\n\t\tif (s.substr(0, 5) == words[0] || s.substr(0, 5) == words[2])\n\n\t\t{\n\n\t\t\ts.erase(0, 5);\n\n\t\t}\n\n\t\telse if (s.substr(0, 6) == words[3])\n\n\t\t{\n\n\t\t\ts.erase(0, 6);\n\n\t\t}\n\n\t\telse if (s.substr(0, 7) == words[1])\n\n\t\t{\n\n\t\t\ts.erase(0, 7);\n\n\t\t}\n\n\t\telse\n\n\t\t{\n\n\t\t\tco(\"NO\");\n\n\t\t\treturn 0;\n\n\t\t}\n\n\t}\n\n\tco(\"YES\");\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002875"}1171{"label": "pie_cpp_validation_002876", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 6, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 6, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002876.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002876", "task_path": "tasks/validation/pie_cpp_validation_002876.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#define rep(i, a, n) for(int i = a; i < n; i++)\n\n#define REP(i, n) rep(i, 0, n)\n\n#define repb(i, a, b) for(int i = a; i >= b; i--)\n\n#define all(a) a.begin(), a.end()\n\n#define int long long\n\n#define chmax(x, y) x = max(x, y)\n\n#define chmin(x, y) x = min(x, y)\n\nusing namespace std;\n\ntypedef pair<int, int> P;\n\nconst int mod = 1000000007;\n\nconst int INF = 1e12;\n\n\n\nsigned main(){\n\n ios::sync_with_stdio(false);\n\n cin.tie(0);\n\n string s;\n\n string t[4] = {\"dreamer\", \"eraser\", \"dream\", \"erase\"};\n\n cin >> s;\n\n while(s.size()){\n\n bool f = true;\n\n rep(i, 0, 4){\n\n if(s.size() < t[i].size()) continue;\n\n if(s.substr(s.size() - t[i].size()) == t[i]){\n\n // cout << s.substr(s.size() - t[i].size()) << \" \" << t[i] << endl;\n\n s = s.substr(0, s.size() - t[i].size());\n\n f = false;\n\n }\n\n }\n\n if(f) break;\n\n }\n\n if(s == \"\") cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002876"}1172{"label": "pie_cpp_validation_002877", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03854", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_002877.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_002877", "task_path": "tasks/validation/pie_cpp_validation_002877.json", "visible_test_count": 1}, "problem_id": "p03854", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\nerasedream\n\nExpected output:\nYES\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <string>\n\n#include <algorithm>\n\nusing namespace std;\n\n\n\nstring divide[4] = {\"dream\", \"dreamer\", \"erase\", \"eraser\"};\n\n\n\nint main() {\n\n string S;\n\n cin >> S;\n\n\n\n // \u5f8c\u308d\u304b\u3089\u89e3\u304f\u304b\u308f\u308a\u306b\u3059\u3079\u3066\u306e\u6587\u5b57\u5217\u3092\u300c\u5de6\u53f3\u53cd\u8ee2\u300d\u3059\u308b\n\n reverse(S.begin(), S.end());\n\n for (int i = 0; i < 4; ++i) reverse(divide[i].begin(), divide[i].end());\n\n\n\n // \u7aef\u304b\u3089\u5207\u3063\u3066\u3044\u304f\n\n bool can = true;\n\n for (int i = 0; i < S.size();) {\n\n bool can2 = false; // 4 \u500b\u306e\u6587\u5b57\u5217\u305f\u3061\u3069\u308c\u304b\u3067 divide \u3067\u304d\u308b\u304b\n\n for (int j = 0; j < 4; ++j) {\n\n string d = divide[j];\n\n if (S.substr(i, d.size()) == d) { // d \u3067 divide \u3067\u304d\u308b\u304b\n\n can2 = true;\n\n i += d.size(); // divide \u3067\u304d\u305f\u3089 i \u3092\u9032\u3081\u308b\n\n }\n\n }\n\n if (!can2) { // divide \u3067\u304d\u306a\u304b\u3063\u305f\u3089\n\n can = false;\n\n break;\n\n }\n\n }\n\n\n\n if (can) cout << \"YES\" << endl;\n\n else cout << \"NO\" << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_002877"}1173{"label": "pie_cpp_validation_003041", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 85, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 85, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003041.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003041", "task_path": "tasks/validation/pie_cpp_validation_003041.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<queue>\n\n#include<algorithm>\n\nusing namespace std;\n\nconst int MAXN = 2000;\n\nconst int INF = (1<<30);\n\nint A[MAXN + 5];\n\npriority_queue<int, vector<int>, greater<int> >q1, q2;\n\nint main() {\n\n\tint N, K, Q, ans = INF;\n\n\tscanf(\"%d%d%d\", &N, &K, &Q);\n\n\tfor(int i=1;i<=N;i++)\n\n\t\tscanf(\"%d\", &A[i]);\n\n\tfor(int i=1;i<=N;i++) {\n\n\t\tint le = 1;\n\n\t\tfor(int j=1;j<=N+1;j++) {\n\n\t\t\tif( A[j] < A[i] ) {\n\n\t\t\t\tint len = j - le;\n\n\t\t\t\tfor(int k=K;k<=len;k++) {\n\n\t\t\t\t\tq2.push(q1.top());\n\n\t\t\t\t\tq1.pop();\n\n\t\t\t\t}\n\n\t\t\t\tle = j+1;\n\n\t\t\t\twhile( !q1.empty() )\n\n\t\t\t\t\tq1.pop();\n\n\t\t\t}\n\n\t\t\telse q1.push(A[j]);\n\n\t\t}\n\n\t\tif( q2.size() >= Q ) {\n\n\t\t\tfor(int j=1;j<Q;j++)\n\n\t\t\t\tq2.pop();\n\n\t\t\tans = min(ans, q2.top() - A[i]);\n\n\t\t}\n\n\t\twhile( !q2.empty() )\n\n\t\t\tq2.pop();\n\n\t}\n\n\tprintf(\"%d\\n\", ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003041"}1174{"label": "pie_cpp_validation_003042", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 17, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 17, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003042.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003042", "task_path": "tasks/validation/pie_cpp_validation_003042.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define INF 0x7fffffff\n\nusing namespace std;\n\nint n,k,q,a[2005],b[2005],ans=INF,c[2005],d[2005],t;\n\ninline int read(){\n\n int x=0,f=1;char ch=getchar();\n\n while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}\n\n while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}\n\n return x*f;\n\n}\n\nint check(int x){\n\n\tfor(int i=1;i<=n;++i) c[i]=a[i];\n\n\tint l=0; t=0;\n\n\tfor(int r=1;r<=n;++r){\n\n\t\tif(c[r]>=x) continue;\n\n\t\tif(r-l-k>0){\n\n\t\t\tsort(c+l+1,c+r);\n\n\t\t\tfor(int i=l+1;i<=r-k;++i) d[++t]=c[i];\n\n\t\t}\n\n\t\tl=r;\n\n\t}\n\n\tsort(c+l+1,c+n+1);\n\n\tif(n-l-k+1>0) for(int i=l+1;i<=n-k+1;++i) d[++t]=c[i];\n\n\tif(t>=q){\n\n\t\tsort(d+1,d+t+1);\n\n\t\treturn d[q]-x;\n\n\t}\n\n\telse return INF;\n\n}\n\nint main(){\n\n\tn=read(),k=read(),q=read();\n\n\tfor(int i=1;i<=n;++i) b[i]=a[i]=read();\n\n\tsort(b+1,b+n+1);\n\n\tfor(int i=1;i<=n;++i) ans=min(check(b[i]),ans);\n\n\tprintf(\"%d\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003042"}1175{"label": "pie_cpp_validation_003043", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 13, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 13, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003043.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003043", "task_path": "tasks/validation/pie_cpp_validation_003043.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<map>\n\n#include<set>\n\n#include<queue>\n\n#include<stack>\n\n#include<cmath>\n\n#include<ctime>\n\n#include<bitset>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<cstring>\n\n#include<complex>\n\n#include<iostream>\n\n#include<algorithm>\n\n#define INF 0x3f3f3f3f\n\n#define LL long long\n\n#define add_edge(u,v) nxt[++cnt]=head[u],head[u]=cnt,to[cnt]=v\n\n#define open(x) freopen(#x\".in\",\"r\",stdin),freopen(#x\".out\",\"w\",stdout)\n\nchar ch;bool fs;void re(int& x)\n\n{\n\n\twhile(ch=getchar(),ch<33);\n\n\tif(ch=='-')fs=1,x=0;else fs=0,x=ch-48;\n\n\twhile(ch=getchar(),ch>33)x=x*10+ch-48;\n\n\tif(fs)x=-x;\t\n\n}\n\nusing namespace std;\n\nint ans=INF;\n\nint w,c[2001];\n\nint m,b[2001];\n\nint n,k,q,a[2001];\n\nint main()\n\n{\n\n\tre(n);re(k);re(q);\n\n\tfor(int i=1;i<=n;++i)re(a[i]);\n\n\tfor(int i=0;i<=n;++i)\n\n\t{\n\n\t\tfor(int j=1;j<=n;++j)\n\n\t\t\tif(a[j]>a[i])\n\n\t\t\t\tb[++m]=a[j];\n\n\t\t\telse\n\n\t\t\t{\n\n\t\t\t\tif(m>=k)\n\n\t\t\t\t{\n\n\t\t\t\t\tsort(b+1,b+m+1);\n\n\t\t\t\t\tfor(int l=1;l<=m-k+1;++l)\n\n\t\t\t\t\t\tc[++w]=b[l];\n\n\t\t\t\t}\n\n\t\t\t\tm=0;\n\n\t\t\t}\n\n\t\tif(m>=k)\n\n\t\t{\n\n\t\t\tsort(b+1,b+m+1);\n\n\t\t\tfor(int l=1;l<=m-k+1;++l)\n\n\t\t\tc[++w]=b[l];\n\n\t\t}\n\n\t\tm=0;\n\n\t\tsort(c+1,c+w+1);\n\n/*\t\tfor(int j=1;j<=w;++j)\n\n\t\t\tprintf(\"%d \",c[j]);\n\n\t\tputs(\"\");*/\n\n\t\tif(w>=q)\n\n\t\t\tans=min(ans,c[q]-c[1]);\n\n\t\tw=0;\n\n\t}\n\n\tprintf(\"%d\\n\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003043"}1176{"label": "pie_cpp_validation_003044", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 89, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 89, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003044.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003044", "task_path": "tasks/validation/pie_cpp_validation_003044.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <algorithm>\n\n#include <cstdio>\n\n#include <cstring>\n\n#include <queue>\n\n\n\nconst int MaxN = 2000 + 5;\n\nconst int INF = 0x7F7F7F7F;\n\n\n\nint N, K, Q, V;\n\nint A[MaxN], D[MaxN];\n\n\n\nvoid init() {\n\n scanf(\"%d %d %d\", &N, &K, &Q);\n\n for (int i = 1; i <= N; ++i) {\n\n scanf(\"%d\", &A[i]);\n\n D[i] = A[i];\n\n }\n\n std::sort(D + 1, D + 1 + N);\n\n}\n\n\n\nvoid solve() {\n\n int ans = INF;\n\n\n\n for (int x = 1; x <= N; ++x) {\n\n for (int i = 1; i <= N; ++i)\n\n if (A[i] < D[x]) A[i] = -1;\n\n std::priority_queue<int> pq, pq2;\n\n while (!pq.empty()) pq.pop();\n\n while (!pq2.empty()) pq2.pop();\n\n int num = 0, num2 = 0;\n\n for (int i = 1; i <= N; ++i) {\n\n if (A[i] == -1) {\n\n while (num >= K) {\n\n pq2.push(pq.top());\n\n pq.pop();\n\n num--; num2++;\n\n }\n\n while (!pq.empty()) pq.pop();\n\n num = 0;\n\n } else pq.push(-A[i]), num++;\n\n }\n\n while (num >= K) {\n\n pq2.push(pq.top());\n\n pq.pop();\n\n num--; num2++;\n\n }\n\n while (!pq.empty()) pq.pop();\n\n num = 0;\n\n\n\n int y = 0;\n\n if (num2 < Q) continue;\n\n for (int i = 1; i <= Q; ++i) {\n\n y = std::max(y, -pq2.top());\n\n pq2.pop();\n\n }\n\n ans = std::min(ans, y - D[x]);\n\n }\n\n\n\n printf(\"%d\\n\", ans);\n\n}\n\n\n\nint main() {\n\n init();\n\n solve();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003044"}1177{"label": "pie_cpp_validation_003045", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 22, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 22, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003045.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003045", "task_path": "tasks/validation/pie_cpp_validation_003045.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<cstdio>\n\n#include<algorithm>\n\nint n,k,q,a[2005];\n\nint ls[2005],st[2005],con;\n\nint work(int mini){\n\n\tint last=-1;\n\n\tcon=0;\n\n\tfor(int i=1;i<=n;i++) ls[i]=a[i];\n\n\tfor(int i=1;i<=n+1;i++){\n\n\t\tif(a[i]>=mini&&last==-1) last=i;\n\n\t\tif(a[i]<mini&&~last){\n\n\t\t\tstd::sort(ls+last,ls+i);\n\n\t\t\tfor(int j=last;j<=i-k;j++) st[con++]=ls[j];\n\n\t\t\tlast=-1;\n\n\t\t}\n\n\t}\n\n\tif(con<q) return 0x3f3f3f3f;\n\n\tstd::sort(st,st+con);\n\n\treturn st[q-1]-mini;\n\n}\n\nint main(){\n\n\tscanf(\"%d%d%d\",&n,&k,&q);\n\n\ta[n+1]=-1;\n\n\tint ans=0x3f3f3f3f;\n\n\tfor(int i=1;i<=n;i++) scanf(\"%d\",&a[i]);\n\n\tfor(int i=1;i<=n;i++)\n\n\t\tans=std::min(ans,work(a[i]));\n\n\tprintf(\"%d\\n\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003045"}1178{"label": "pie_cpp_validation_003046", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 186, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 186, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003046.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003046", "task_path": "tasks/validation/pie_cpp_validation_003046.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n\n\n#define rep(i,n) for(int i=0;i<(n);i++)\n\n#define reps(i,f,n) for(int i=(f);i<(n);i++)\n\n\n\nint main(void) {\n\n\tint n, k, q;\n\n\tcin >> n >> k >> q;\n\n\tvector<int> a(n);\n\n\trep(i, n) cin >> a[i];\n\n\n\n\tint ans = 1e9;\n\n\trep(i, n) {\n\n\t\t// printf(\"i %d\\n\", i);\n\n\t\tvector<vector<int>>\tv;\n\n\t\t// for (int l = 0, r = 0; l < n, r < n; ++l) {\n\n\t\tint l = 0, r = 0;\n\n\t\twhile(l < n && r < n) {\n\n\t\t\tr = l;\n\n\t\t\tvector<int> tmp;\n\n\t\t\twhile (r < n && a[r] >= a[i]) {\n\n\t\t\t\t// printf(\"a %d\\n\", a[r]);\n\n\t\t\t\ttmp.push_back(a[r]);\n\n\t\t\t\tr++;\n\n\t\t\t}\n\n\t\t\t// [l, r)\u306f\u3059\u3079\u3066a[i]\u4ee5\u4e0a\n\n\t\t\t// printf(\"%d %d %d\\n\", l, r, tmp.size());\n\n\t\t\tif (r > l) v.push_back(tmp);\n\n\t\t\tif (l != r) l = r;\n\n\t\t\telse l = r + 1;\n\n\t\t}\n\n\n\n\t\tvector<int> select;\n\n\t\tfor (auto u : v) {\n\n\t\t\tsort(u.begin(), u.end());\n\n\t\t\tif (u.size() >= k) rep(j, u.size() - k + 1) {\n\n\t\t\t\t// printf(\"j %d %d\\n\", j, u[j]);\n\n\t\t\t\tselect.push_back(u[j]);\n\n\t\t\t}\n\n\t\t}\n\n\t\tif (select.size() < q) continue;\n\n\t\tsort(select.begin(), select.end());\n\n\n\n\t\tans = min(ans, select[q - 1] - a[i]);\n\n\t}\n\n\tprintf(\"%d\\n\", ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003046"}1179{"label": "pie_cpp_validation_003047", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 104, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 104, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003047.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003047", "task_path": "tasks/validation/pie_cpp_validation_003047.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n\n\ntypedef long long ll;\n\n#define REP(i,n) for(int i=0,_n=(int)(n);i<_n;++i)\n\n#define ALL(v) (v).begin(),(v).end()\n\n#define CLR(t,v) memset(t,(v),sizeof(t))\n\ntemplate<class T1,class T2>ostream& operator<<(ostream& os,const pair<T1,T2>&a){return os<<\"(\"<<a.first<<\",\"<<a.second<< \")\";}\n\ntemplate<class T>void pv(T a,T b){for(T i=a;i!=b;++i)cout<<(*i)<<\" \";cout<<endl;}\n\ntemplate<class T>void chmin(T&a,const T&b){if(a>b)a=b;}\n\ntemplate<class T>void chmax(T&a,const T&b){if(a<b)a=b;}\n\n\n\n\n\nint nextInt() { int x; scanf(\"%d\", &x); return x;}\n\n\n\nconst int MAX_N = 2010;\n\nconst int INF = 1001001001;\n\nint N, K, Q;\n\nint A[MAX_N];\n\n\n\nint solve(int X) {\n\n vector<int> v;\n\n int last = -1;\n\n REP(i, N+1) {\n\n if (A[i] < X) {\n\n vector<int> t;\n\n for (int j = last + 1; j < i; j++) {\n\n t.push_back(A[j]);\n\n }\n\n sort(ALL(t));\n\n REP(i, (int)t.size() - K + 1) {\n\n v.push_back(t[i]);\n\n }\n\n last = i;\n\n }\n\n }\n\n // cout << \"--\" << endl;\n\n // cout << X << endl;\n\n // pv(A, A+N);\n\n // pv(w, w+N);\n\n // pv(ALL(v));\n\n if ((int)v.size() < Q) return INF;\n\n sort(ALL(v));\n\n int res = v[Q-1] - v[0];\n\n // cout << res << endl;\n\n return res;\n\n}\n\n\n\nint main2() {\n\n N = nextInt();\n\n K = nextInt();\n\n Q = nextInt();\n\n REP(i, N) A[i] = nextInt();\n\n\n\n if (Q == 1) {\n\n cout << 0 << endl;\n\n return 0;\n\n }\n\n\n\n int ans = INF;\n\n REP(i, N)\n\n chmin(ans, solve(A[i]));\n\n cout << ans << endl;\n\n return 0;\n\n}\n\n\n\nint main() {\n\n for (;!cin.eof();cin>>ws)\n\n main2();\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003047"}1180{"label": "pie_cpp_validation_003048", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 69, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 69, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003048.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003048", "task_path": "tasks/validation/pie_cpp_validation_003048.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\nll n,k,q,s[2000],ans=1e15,N;\n\nvector<ll>v,vv;\n\nint main(void){\n\n cin>>n>>k>>q;\n\n if(q==1){\n\n cout<<0<<endl;\n\n return 0;\n\n }\n\n for(int i=0;i<n;i++)cin>>s[i];\n\n for(int i=0;i<n;i++){\n\n for(int j=0;j<n;j++){\n\n if(i==j)continue;\n\n if(s[i]<=s[j]){\n\n v.push_back(s[j]);\n\n }\n\n else {\n\n N=v.size();\n\n if(N-k+1>0){\n\n sort(v.begin(),v.end());\n\n //cout<<N-k<<\" \"<<endl;\n\n for(int ii=0;ii<N-k+1;ii++)vv.push_back(v[ii]);\n\n }\n\n v={};\n\n }\n\n }\n\n N=v.size();\n\n if(N-k+1>0){\n\n sort(v.begin(),v.end());\n\n for(int ii=0;ii<N-k+1;ii++)vv.push_back(v[ii]);\n\n }\n\n v={};\n\n if(vv.size()>=q-1){\n\n sort(vv.begin(),vv.end());\n\n //cout<<vv[q-2]<<\" \"<<s[i]<<endl;\n\n ans=min(ans,vv[q-2]-s[i]);\n\n }\n\n vv={};\n\n }\n\n cout<<ans<<endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003048"}1181{"label": "pie_cpp_validation_003049", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 40, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 40, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003049.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003049", "task_path": "tasks/validation/pie_cpp_validation_003049.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n\n\n#define For(i, j, k) for (int i = j; i <= k; ++ i)\n\n\n\nusing namespace std;\n\n\n\nconst int N = 2e3 + 10;\n\nint a[N], t[N], n, k, q, b[N];\n\n\n\nint main() {\n\n\n\n\tscanf(\"%d%d%d\", &n, &k, &q);\n\n\tFor(i, 1, n) scanf(\"%d\", a + i); a[++ n] = -1;\n\n\n\n\tint ans = INT_MAX;\n\n\tFor(tt, 1, n) {\n\n\t\tint nw = a[tt], c = 0, lstps = 1;\n\n\n\n\t\tFor(i, 1, n) if (a[i] < nw) {\n\n\t\t\tif (i - lstps < k) { lstps = i + 1; continue; }\n\n\t\t\tint cnt = 0;\n\n\t\t\tFor(j, lstps, i - 1) b[++ cnt] = a[j];\n\n\t\t//\tnth_element(b + 1, b + cnt - k, b + cnt + 1);\n\n\t\t\tsort(b + 1, b + 1 + cnt);\n\n\t\t\tFor(j, 1, cnt - k + 1) t[++ c] = b[j];\n\n\t\t\tlstps = i + 1;\n\n\t\t}\n\n\t\n\n\t\tif (c < q) continue;\n\n\t\t//nth_element(t + 1, t + q, t + c + 1);\n\n\t\tsort(t + 1, t + 1 + c);\n\n\t\tans = min(ans, t[q] - nw);\n\n\t}\n\n\n\n\tcout << ans << endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003049"}1182{"label": "pie_cpp_validation_003050", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003050.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003050", "task_path": "tasks/validation/pie_cpp_validation_003050.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <algorithm>\n\n#include<cmath>\n\n#include<cstring>\n\n#include<cstdio>\n\n#include<cstdlib>\n\n#include<vector>\n\n#include<iomanip>\n\n#define sqr(x) (x)*(x)\n\n#define llx(c,itr) for(__typeof((c).begin()) itr=(c).begin();itr!=(c).end();itr++)\n\nusing namespace std;\n\nlong long n,m,q,i,j,k,num[2005],vis[2005],ans=1ll<<60;\n\nvector<long long> seq,seq2,all,pos[2005];\n\nint main()\n\n{\n\n\tios_base::sync_with_stdio(0);\n\n\tcin>>n>>m>>q;\n\n\tfor (i=1;i<=n;i++)\n\n\t{\n\n\t\tcin>>num[i];\n\n\t\tall.push_back(num[i]);\n\n\t}\n\n\tsort(all.begin(),all.end());\n\n\tall.resize(unique(all.begin(),all.end())-all.begin());\n\n\tfor (i=1;i<=n;i++)\n\n\t{\n\n\t\tnum[i]=upper_bound(all.begin(),all.end(),num[i])-all.begin();\n\n\t\tpos[num[i]].push_back(i);\n\n\t}\n\n\tfor (i=0;i<=all.size();i++)\n\n\t{\n\n\t\tllx(pos[i],it) vis[*it]=1;\n\n\t\tseq.clear();seq2.clear();\n\n\t\tfor (j=1;j<=n;j++)\n\n\t\t{\n\n\t\t\tif (!vis[j])\n\n\t\t\t{\n\n\t\t\t\tseq.push_back(num[j]);\n\n\t\t\t}\n\n\t\t\telse\n\n\t\t\t{\n\n\t\t\t\tsort(seq.begin(),seq.end());\n\n\t\t\t\tfor (k=0;k<=((int)seq.size())-m;k++)\n\n\t\t\t\t{\n\n\t\t\t\t\tseq2.push_back(seq[k]);\n\n\t\t\t\t}\n\n\t\t\t\tseq.clear();\n\n\t\t\t}\n\n\t\t}\n\n\t\tsort(seq.begin(),seq.end());\n\n\t\tfor (k=0;k<=((int)seq.size())-m;k++)\n\n\t\t{\n\n\t\t\tseq2.push_back(seq[k]);\n\n\t\t}\n\n\t\tsort(seq2.begin(),seq2.end());\n\n\t\tif (seq2.size()>=q)\n\n\t\t{\n\n\t\t\tans=min(ans,all[seq2[q-1]-1]-all[seq2[0]-1]);\n\n\t\t}\n\n\t}\n\n\tcout<<ans;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003050"}1183{"label": "pie_cpp_validation_003051", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003051.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003051", "task_path": "tasks/validation/pie_cpp_validation_003051.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <cstdio>\n\n#include <cstring>\n\n#include <algorithm>\n\n#include <queue>\n\n#define INF 0x3FFFFFFF\n\n#define MN 2005\n\nusing namespace std;\n\npriority_queue <int,vector<int>,greater<int> > q,Q;\n\nint a[MN],pos[MN];\n\nint n,m,p,las,ans,mn,mx;\n\nbool u[MN];\n\n\n\ninline int read()\n\n{\n\n\tint n=0,f=1; char c=getchar();\n\n\twhile (c<'0' || c>'9') {if(c=='-')f=-1; c=getchar();}\n\n\twhile (c>='0' && c<='9') {n=n*10+c-'0'; c=getchar();}\n\n\treturn n*f;\n\n}\n\n\n\nbool cmp(int x,int y) {return a[x]<a[y];}\n\n\n\nint main()\n\n{\n\n\tregister int i,j,k;\n\n\tn=read(); m=read(); p=read();\n\n\tfor (i=1;i<=n;++i) a[i]=read(),pos[i]=i;\n\n\tsort(pos+1,pos+n+1,cmp); ans=INF; u[n+1]=true;\n\n\tfor (i=1;i<=n;++i)\n\n\t{\n\n\t\tlas=0;\n\n//\t\tputs(\"sb\");\t\n\n//\t\tprintf(\"%d %d\\n\",Q.size(),q.size());\n\n\t\tfor (j=1;j<=n+1;++j)\n\n\t\t\tif (u[j])\n\n\t\t\t{\n\n//\t\t\t\tprintf(\"%d %d\\n\",i,las);\t\t\t\t\n\n\t\t\t\tfor (k=1;k<=j-las-m;++k) Q.push(q.top()),q.pop();\n\n\t\t\t\twhile (!q.empty()) q.pop(); las=j;\n\n\t\t\t}\n\n\t\t\telse q.push(a[j]);\n\n\t\tif (Q.size()<p) break;\n\n\t\tmn=Q.top(); for (j=1;j<=p;++j) mx=Q.top(),Q.pop();\n\n\t\twhile (!Q.empty()) Q.pop();\n\n\t\tans=min(ans,mx-mn);\n\n\t\tu[pos[i]]=true;\n\n\t}\n\n\tprintf(\"%d\",ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003051"}1184{"label": "pie_cpp_validation_003052", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 85, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 85, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003052.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003052", "task_path": "tasks/validation/pie_cpp_validation_003052.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <iostream>\n\n#include <cstdio>\n\n#include <queue>\n\n#include <algorithm>\n\nusing namespace std;\n\nint ans;\n\nint n, k, q, a[2010], ls[2010];\n\npriority_queue <int, vector <int>, greater <int> > q1, q2;\n\nint main () {\n\n\tscanf (\"%d%d%d\", &n, &k, &q);\n\n\tfor (int i = 1; i <= n; i++) scanf (\"%d\", &a[i]), ls[i] = a[i];\n\n\tsort (ls + 1, ls + n + 1);\n\n\tans = ls[n] - ls[1];\n\n\tfor (int p = 1; p <= n; p++) {\n\n\t\tfor (int i = 1; i <= n; i++) if (a[i] >= ls[p]) {\n\n\t\t\tint j = i; while (j < n && a[j + 1] >= ls[p]) j++;\n\n\t\t\tif (j - i + 1 < k) { i = j; continue; }\n\n\t\t\tfor (int x = i; x <= j; x++) q1.push (a[x]);\n\n\t\t\tfor (int x = j - i + 1; x >= k; x--) q2.push (q1.top ()), q1.pop ();\n\n\t\t\twhile (!q1.empty ()) q1.pop ();\n\n\t\t\ti = j;\n\n\t\t}\n\n\t\tint mx = 0; bool ok = true;\n\n\t\tfor (int i = 1; i <= q; i++) {\n\n\t\t\tif (q2.empty ()) { ok = false; break; }\n\n\t\t\tmx = q2.top (), q2.pop ();\n\n\t\t}\n\n\t\twhile (!q2.empty ()) q2.pop ();\n\n\t\tif (ok) ans = min (ans, mx - ls[p]);\n\n\t}\n\n\tprintf (\"%d\\n\", ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003052"}1185{"label": "pie_cpp_validation_003053", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 156, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 156, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003053.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003053", "task_path": "tasks/validation/pie_cpp_validation_003053.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#define fi first\n\n#define se second\n\n#define LL long long\n\n\n\nusing namespace std;\n\nconst int maxn = 2e5 + 5;\n\ntypedef pair<int, int> P;\n\nint a[maxn];\n\nint n, k, q, ans;\n\nbool check(int o, int p) {\n\n int ti = 0;\n\n int x = 0;\n\n int y = 0;\n\n for(int i = 0; i <= n; ++i) {\n\n if(a[i] >= o) {\n\n if(a[i] <= o + p) {\n\n x ++;\n\n } else {\n\n y ++;\n\n }\n\n } else {\n\n if(y >= k - 1) {\n\n ti += x;\n\n } else {\n\n ti += max(0, x - (k - 1 - y));\n\n }\n\n x = 0;\n\n y = 0;\n\n }\n\n }\n\n return ti >= q;\n\n}\n\nint main() {\n\n#ifdef TT\n\n freopen(\"xxx.in\", \"r\", stdin);\n\n#endif // TT\n\n scanf(\"%d%d%d\", &n, &k, &q);\n\n for(int i = 0; i < n; ++i) {\n\n scanf(\"%d\", &a[i]);\n\n }\n\n a[n] = -1;\n\n ans = 1e9 + 7;\n\n for(int i = 0; i < n; ++i) {\n\n int L = 0, R = 1e9 + 7;\n\n while(L < R) {\n\n int mid = (L + R) >> 1;\n\n if(check(a[i], mid))\n\n R = mid;\n\n else\n\n L = mid + 1;\n\n }\n\n ans = min(ans, L);\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003053"}1186{"label": "pie_cpp_validation_003054", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 90, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 90, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003054.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003054", "task_path": "tasks/validation/pie_cpp_validation_003054.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<algorithm>\n\n#include<cstdio>\n\n#define N 2005\n\nusing namespace std;\n\nint a[N],l[N],n,o,q,r[N],s[N],t,x;bool w[N],z[N];\n\ninline bool cmp(int u,int v){return a[u]<a[v];}\n\nint main()\n\n{\n\n\tscanf(\"%d%d%d\",&n,&o,&q),x=0x7fffffff,w[n+1]=true;\n\n\tfor(int i=1;i<=n;i++)scanf(\"%d\",a+i),r[i]=n+1;\n\n\tfor(int i=1,j,k,u;i<=n;i++)\n\n\t{\n\n\t\tu=t=0,j=1;\n\n\t\twhile(w[j])j++;\n\n\t\twhile(j<=n)\n\n\t\t{\n\n\t\t\tk=j;\n\n\t\t\twhile(!w[k])s[++t]=k++;\n\n\t\t\tif(k-j<o)t-=k-j;\n\n\t\t\telse sort(s+t+1-k+j,s+t+1,cmp),t-=o-1;\n\n\t\t\tj=k;\n\n\t\t\twhile(w[j])j++;\n\n\t\t}\n\n\t\tif(t<q)break;\n\n\t\tsort(s+1,s+t+1,cmp);\n\n\t\tif(a[s[q]]-a[s[1]]<x)x=a[s[q]]-a[s[1]];\n\n\t\tw[s[1]]=true;\n\n\t}\n\n\tprintf(\"%d\\n\",x);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003054"}1187{"label": "pie_cpp_validation_003055", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 65, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 65, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003055.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003055", "task_path": "tasks/validation/pie_cpp_validation_003055.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define rep1(i, n) for(int i = 1; i <= (n); i++)\n\n#define co(x) cout << (x) << \"\\n\"\n\n#define cosp(x) cout << (x) << \" \"\n\n#define ce(x) cerr << (x) << \"\\n\"\n\n#define cesp(x) cerr << (x) << \" \"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define Would\n\n#define you\n\n#define please\n\n\n\n\n\nint main() {\n\n\tcin.tie(0);\n\n\tios::sync_with_stdio(false);\n\n\n\n\t\n\n\tint N, K, Q;\n\n\tcin >> N >> K >> Q;\n\n\tint A[2000];\n\n\tset<int> ST;\n\n\trep(i, N) {\n\n\t\tcin >> A[i];\n\n\t\tST.insert(A[i]);\n\n\t}\n\n\n\n\tint saishou = 1e9;\n\n\tfor (int i : ST) {\n\n\t\tvector<int> V, V2;\n\n\t\trep(j, N) {\n\n\t\t\tif (A[j] < i) {\n\n\t\t\t\tif (V2.size() >= K) {\n\n\t\t\t\t\tsort(V2.begin(), V2.end());\n\n\t\t\t\t\tint kari = V2.size();\n\n\t\t\t\t\trep(k, kari - K + 1) V.pb(V2[k]);\n\n\t\t\t\t}\n\n\t\t\t\tV2.clear();\n\n\t\t\t}\n\n\t\t\telse {\n\n\t\t\t\tV2.pb(A[j]);\n\n\t\t\t}\n\n\t\t}\n\n\t\tsort(V2.begin(), V2.end());\n\n\t\tint kari = V2.size();\n\n\t\trep(k, kari - K + 1) V.pb(V2[k]);\n\n\n\n\t\tif (V.size() >= Q) {\n\n\t\t\tsort(V.begin(), V.end());\n\n\t\t\tsaishou = min(saishou, V[Q - 1] - i);\n\n\t\t}\n\n\t}\n\n\n\n\tco(saishou);\n\n\n\n\tWould you please return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003055"}1188{"label": "pie_cpp_validation_003056", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003056.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003056", "task_path": "tasks/validation/pie_cpp_validation_003056.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#pragma GCC optimize (\"O3\")\n\n#pragma GCC target (\"avx\")\n\n//#include<bits/stdc++.h>\n\n#include<cstdio>\n\n#include<algorithm>\n\n#include<queue>\n\nusing namespace std;\n\ntypedef long long ll;\n\n#define rep(i, n) for(int i = 0; i < (n); i++)\n\n#define rep1(i, n) for(int i = 1; i <= (n); i++)\n\n#define co(x) cout << (x) << \"\\n\"\n\n#define cosp(x) cout << (x) << \" \"\n\n#define ce(x) cerr << (x) << \"\\n\"\n\n#define cesp(x) cerr << (x) << \" \"\n\n#define pb push_back\n\n#define mp make_pair\n\n#define chmin(x, y) x = min(x, y)\n\n#define chmax(x, y) x = max(x, y)\n\n#define Would\n\n#define you\n\n#define please\n\n\n\nconst int cm = 1 << 15;\n\nchar cn[cm], * ci = cn, ct;\n\ninline int getint() {\n\n\tint A = 0;\n\n\twhile ((ct = *ci++) >= '0') A = A * 10 + ct - '0';\n\n\treturn A;\n\n}\n\n\n\nint main() {\n\n\t//cin.tie(0);\n\n\t//ios::sync_with_stdio(false);\n\n\n\n\tfread_unlocked(cn, 1, cm, stdin);\n\n\tint N = getint(), K = getint(), Q = getint();\n\n\tll A[2002];\n\n\tint LR[2002];\n\n\trep1(i, N) A[i] = ((ll)getint() << 16) + i;\n\n\trep(i, N + 2) LR[i] = -1;\n\n\n\n\tpriority_queue<int> q;\n\n\tpriority_queue<int, vector<int>, greater<int>> q2[2002];\n\n\tint q3[2002];\n\n\trep1(i, N) q3[i] = i;\n\n\tint kotae = 1e9;\n\n\tint saishou = 2e9;\n\n\tsort(A + 1, A + N + 1);\n\n\tconst int m = (1 << 16) - 1;\n\n\n\n\tfor (int i = N; i >= 1; i--) {\n\n\t\tint a = A[i] >> 16;\n\n\t\tint k = A[i] & m;\n\n\n\n\t\tint l = (LR[k - 1] == -1) ? k : LR[k - 1];\n\n\t\tint r = (LR[k + 1] == -1) ? k : LR[k + 1];\n\n\t\tLR[l] = r;\n\n\t\tLR[r] = l;\n\n\n\n\t\t//if (k + k > l + r) swap(q3[l], q3[k + 1]);\n\n\n\n\t\twhile (q2[q3[k + 1]].size()) {\n\n\t\t\tint tmp = q2[q3[k + 1]].top();\n\n\t\t\tq2[q3[l]].push(tmp);\n\n\t\t\tq2[q3[k + 1]].pop();\n\n\t\t}\n\n\t\tq2[q3[l]].push(a);\n\n\t\twhile (q2[q3[l]].size() >= K) {\n\n\t\t\tint tmp = q2[q3[l]].top();\n\n\t\t\tq.push(tmp);\n\n\t\t\tq2[q3[l]].pop();\n\n\t\t}\n\n\t\twhile (q.size() >= Q) {\n\n\t\t\tint tmp = q.top();\n\n\t\t\tchmin(saishou, tmp);\n\n\t\t\tq.pop();\n\n\t\t}\n\n\t\tchmin(kotae, saishou - a);\n\n\t}\n\n\n\n\tprintf(\"%d\", kotae);\n\n\n\n\tWould you please return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003056"}1189{"label": "pie_cpp_validation_003057", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 152, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 152, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003057.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003057", "task_path": "tasks/validation/pie_cpp_validation_003057.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define ll long long\n\n#define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++)\n\n#define rep(i,n) REP(i,0,n)\n\n#define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--)\n\n#define rrep(i,n) RREP(i,n-1,0)\n\n#define all(v) v.begin(), v.end()\n\nconst int inf = 1e9+7;\n\nconst ll longinf = 1LL<<60;\n\nconst ll mod = 1e9+7;\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n int N, K, Q;\n\n cin >> N >> K >> Q;\n\n vector<ll> A(N);\n\n rep(i, N) cin >> A[i];\n\n ll ans = longinf;\n\n rep(i, N) {\n\n ll X = A[i];\n\n vector<ll> Y;\n\n multiset<ll> tmp;\n\n rep(j, N) {\n\n if(A[j] < X) {\n\n if((int)tmp.size() >= K) {\n\n auto itr = tmp.begin();\n\n rep(k, tmp.size()-K+1) {\n\n Y.push_back(*itr);\n\n itr++;\n\n }\n\n }\n\n tmp.clear();\n\n } else {\n\n tmp.insert(A[j]);\n\n }\n\n }\n\n auto itr = tmp.begin();\n\n rep(k, tmp.size()-K+1) {\n\n Y.push_back(*itr);\n\n itr++;\n\n }\n\n sort(all(Y));\n\n if((int)Y.size() >= Q) {\n\n ans = min(Y[Q-1]-Y[0], ans);\n\n }\n\n }\n\n cout << ans << endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003057"}1190{"label": "pie_cpp_validation_003058", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 94, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 94, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003058.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003058", "task_path": "tasks/validation/pie_cpp_validation_003058.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing ll = long long;\n\nusing pii = pair<int, int>;\n\n\n\nint N, K, Q;\n\nll A[2010];\n\n\n\nint main() {\n\n cin.tie(0);\n\n ios_base::sync_with_stdio(false);\n\n cout << fixed << setprecision(10);\n\n \n\n cin >> N >> K >> Q;\n\n for (int i = 0; i < N; i++) {\n\n cin >> A[i];\n\n }\n\n ll ans = 1LL << 60;\n\n for (int i = 0; i < N; i++) {\n\n vector<ll> mins;\n\n priority_queue<ll, vector<ll>, greater<ll>> que;\n\n for (int j = 0; j < N; j++) {\n\n if (A[j] < A[i]) {\n\n while (que.size() >= K) {\n\n mins.emplace_back(que.top());\n\n que.pop();\n\n }\n\n que = priority_queue<ll, vector<ll>, greater<ll>>();\n\n } else {\n\n que.emplace(A[j]);\n\n }\n\n }\n\n while (que.size() >= K) {\n\n mins.emplace_back(que.top());\n\n que.pop();\n\n }\n\n sort(mins.begin(), mins.end());\n\n if (mins.size() >= Q) ans = min(ans, mins[Q-1] - A[i]);\n\n }\n\n cout << ans << endl;\n\n\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003058"}1191{"label": "pie_cpp_validation_003059", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 183, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 183, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003059.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003059", "task_path": "tasks/validation/pie_cpp_validation_003059.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n// >>> TEMPLATES\n\n#include <bits/stdc++.h>\n\nusing namespace std;\n\n#define rep(i,n) for (int i = 0; i < int(n); i++)\n\n#define rep1(i,n) for (int i = 1; i <= int(n); i++)\n\n#define repR(i,n) for (int i = int(n)-1; i >= 0; i--)\n\n#define rep1R(i,n) for (int i = int(n); i >= 1; i--)\n\n#define loop(i,a,B) for (int i = a; i B; i++)\n\n#define loopR(i,a,B) for (int i = a; i B; i--)\n\n#define all(x) (x).begin(), (x).end()\n\n#define allR(x) (x).rbegin(), (x).rend()\n\n#define eb emplace_back\n\n#define mp make_pair\n\n#define fst first\n\n#define snd second\n\n#ifdef LOCAL\n\n#define dump(...) cerr << \"[\" << __LINE__ << \":\" << __FUNCTION__ << \"] \", dump_impl(#__VA_ARGS__, __VA_ARGS__)\n\n#define say(x) cerr << \"[\" << __LINE__ << \":\" << __FUNCTION__ << \"] \" << x << endl;\n\n#define debug if (1)\n\nvoid dump_impl(const char*) { cerr << endl; }\n\ntemplate <class T, class... U> void dump_impl(const char *s, T const& x, U const& ...y) { const char *o = \"({[\", *e = \"]})\"; for (int i = 0; *s != '\\0'; cerr << *s++) { if (count(o,o+3,*s)) i++; if (count(e,e+3,*s)) i--; if (!i && *s == ',') break; } cerr << \" = \" << x; if (*s == ',') cerr << \", \", s++; dump_impl(s, y...); }\n\n#else\n\n#define dump(...)\n\n#define say(x)\n\n#define debug if (0)\n\n#endif\n\nusing ll = long long;\n\nusing ld = long double;\n\n#define int ll\n\n#define double ld\n\ntemplate <class T> using pque_max = priority_queue<T>;\n\ntemplate <class T> using pque_min = priority_queue<T, vector<T>, greater<T> >;\n\ntemplate <class T, class = typename T::iterator, class = typename enable_if<!is_same<T, string>::value>::type>\n\nostream& operator<<(ostream& os, T const& v) { os << \"{\"; for (auto const& x : v) os << \" \" << x; return os << \" }\"; }\n\ntemplate <class T> istream& operator>>(istream& is, vector<T>& v) { for (auto& x : v) is >> x; return is; }\n\ntemplate <class T, class S> ostream& operator<<(ostream& os, pair<T,S> const& p) { return os << \"(\" << p.first << \", \" << p.second << \")\"; }\n\ntemplate <class T, class S> istream& operator>>(istream& is, pair<T,S>& p) { return is >> p.first >> p.second; }\n\ntemplate <size_t i, class T> typename enable_if<i >= tuple_size<T>::value>::type output_tuple(ostream&, T const&) { }\n\ntemplate <size_t i = 0, class T> typename enable_if<i < tuple_size<T>::value>::type\n\noutput_tuple(ostream& os, T const& t) { os << (i ? \" \" : \"\") << get<i>(t); output_tuple<i+1,T>(os,t); }\n\ntemplate <class... T> ostream& operator<<(ostream& os, tuple<T...> const& t) { return output_tuple(os,t), os; }\n\nstruct IOSetup { IOSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } iosetup;\n\ntemplate <class T, size_t d> struct vec_impl {\n\n using type = vector<typename vec_impl<T,d-1>::type>;\n\n template <class... U> static type make_v(size_t n, U&&... x) { return type(n, vec_impl<T,d-1>::make_v(forward<U>(x)...)); }\n\n};\n\ntemplate <class T> struct vec_impl<T,0> { using type = T; static type make_v(T const& x = {}) { return x; } };\n\ntemplate <class T, size_t d = 1> using vec = typename vec_impl<T,d>::type;\n\ntemplate <class T, size_t d = 1, class... Args> auto make_v(Args&&... args) { return vec_impl<T,d>::make_v(forward<Args>(args)...); }\n\ntemplate <class T> void quit(T const& x) { cout << x << endl; exit(0); }\n\ntemplate <class T> constexpr bool chmin(T& x, T const& y) { if (x > y) { x = y; return true; } return false; }\n\ntemplate <class T> constexpr bool chmax(T& x, T const& y) { if (x < y) { x = y; return true; } return false; }\n\ntemplate <class It> constexpr auto sumof(It b, It e) { return accumulate(b,e,typename iterator_traits<It>::value_type{}); }\n\nconst ll INF = (1LL<<62)-1; // ~ 4.6e18\n\n// <<<\n\n\n\ntemplate <class T>\n\nvector<pair<T,pair<int,int> > > RLE(vector<T> const& v) {\n\n if (v.empty()) return {};\n\n vector<pair<T,pair<int,int> > > ret;\n\n int ii = -1, n = v.size();\n\n rep (i,n) if (i == n-1 || v[i] != v[i+1]) {\n\n ret.emplace_back(v[i],mp(ii+1,i+1));\n\n ii = i;\n\n }\n\n return ret;\n\n}\n\n\n\nint32_t main() {\n\n int n,k,q; cin >> n >> k >> q;\n\n vector<int> a(n); cin >> a;\n\n vector<int> idx(n); iota(all(idx),0);\n\n sort(all(idx), [&](int i, int j) { return a[i] < a[j]; });\n\n\n\n int mi = INF;\n\n vector<int> used(n);\n\n loop (i,-1,<n) {\n\n if (i >= 0) used[idx[i]] = 1;\n\n auto res = RLE(used);\n\n vector<int> v;\n\n for (auto p : res) {\n\n if (p.fst) continue;\n\n int l,r; tie(l,r) = p.snd;\n\n int m = r-l-k+1;\n\n if (m <= 0) continue;\n\n multiset<int> s;\n\n loop (j,l,<r) {\n\n s.insert(a[j]);\n\n if ((int)s.size() > m) s.erase(--s.end());\n\n }\n\n for (int x : s) v.eb(x);\n\n }\n\n if ((int)v.size() < q) break;\n\n sort(all(v));\n\n chmin(mi,v[q-1]-v[0]);\n\n }\n\n cout << mi << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003059"}1192{"label": "pie_cpp_validation_003060", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 142, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 142, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003060.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003060", "task_path": "tasks/validation/pie_cpp_validation_003060.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include \"bits/stdc++.h\"\n\nusing namespace std;\n\ntypedef long long ll;\n\nconst ll MOD = 1000000007LL;\n\nll A[2000];\n\nint main() {\n\n\tll N, K, Q;\n\n\tcin >> N >> K >> Q;\n\n\tll ma = 0;\n\n\tfor (int i = 0; i < N; i++) {\n\n\t\tcin >> A[i];\n\n\t\tma = max(ma, A[i]);\n\n\t}\n\n\tll ans = 1 << 30;\n\n\tfor (int i = 0; i < N; i++) {\n\n\t\tll l = A[i] - 1, r = ma + 1;\n\n\t\tbool ok = 0;\n\n\t\twhile (r - l > 1) {\n\n\t\t\tll m = (l + r) / 2;\n\n\t\t\tll cnt = 0;\n\n\t\t\tll len = 0;\n\n\t\t\tll sum = 0;\n\n\t\t\tfor (int j = 0; j < N; j++) {\n\n\t\t\t\tif (A[j] < A[i]) {\n\n\t\t\t\t\tsum += min(cnt, max(len - K + 1, 0LL));\n\n\t\t\t\t\tlen = 0;\n\n\t\t\t\t\tcnt = 0;\n\n\t\t\t\t}\n\n\t\t\t\telse {\n\n\t\t\t\t\tlen++;\n\n\t\t\t\t\tif (A[j] <= m) cnt++;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\tsum += min(cnt, max(len - K + 1, 0LL));\n\n\t\t\tif (sum >= Q) r = m, ok = 1;\n\n\t\t\telse l = m;\n\n\t\t}\n\n\t\tif (ok) ans = min(ans, r - A[i]);\n\n\t}\n\n\tcout << ans << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003060"}1193{"label": "pie_cpp_validation_003061", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003061.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003061", "task_path": "tasks/validation/pie_cpp_validation_003061.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#pragma GCC target(\"avx\")\n\n#pragma GCC optimize(\"O3\")\n\n#pragma GCC optimize(\"unroll-loops\")\n\n#include<bits/stdc++.h>\n\n// #include<ext/pb_ds/assoc_container.hpp>\n\n// #include<ext/pb_ds/tree_policy.hpp>\n\n// #include<ext/pb_ds/tag_and_trait.hpp>\n\n// using namespace __gnu_pbds;\n\n// #include<boost/multiprecision/cpp_int.hpp>\n\n// namespace multiprecisioninteger = boost::multiprecision;\n\n// using cint=multiprecisioninteger::cpp_int;\n\nusing namespace std;\n\nusing ll=long long;\n\n#define double long double\n\nusing datas=pair<ll,ll>;\n\nusing ddatas=pair<double,double>;\n\nusing tdata=pair<ll,datas>;\n\nusing vec=vector<ll>;\n\nusing mat=vector<vec>;\n\nusing pvec=vector<datas>;\n\nusing pmat=vector<pvec>;\n\n// using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>;\n\n#define For(i,a,b) for(i=a;i<(ll)b;++i)\n\n#define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i)\n\n#define rep(i,N) For(i,0,N)\n\n#define rep1(i,N) For(i,1,N)\n\n#define brep(i,N) bFor(i,N,0)\n\n#define brep1(i,N) bFor(i,N,1)\n\n#define all(v) (v).begin(),(v).end()\n\n#define allr(v) (v).rbegin(),(v).rend()\n\n#define vsort(v) sort(all(v))\n\n#define vrsort(v) sort(allr(v))\n\n#define endl \"\\n\"\n\n#define eb emplace_back\n\n#define print(v) cout<<v<<endl\n\n#define printyes cout<<\"Yes\"<<endl\n\n#define printno cout<<\"No\"<<endl\n\n#define printYES cout<<\"YES\"<<endl\n\n#define printNO cout<<\"NO\"<<endl\n\n#define output(v) do{bool f=0;for(auto outi:v){cout<<(f?\" \":\"\")<<outi;f=1;}cout<<endl;}while(0)\n\n#define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0)\n\nconst ll mod=1000000007;\n\n// const ll mod=998244353;\n\nconst ll inf=1LL<<60;\n\nconst double PI = acos(-1);\n\nconst double eps = 1e-9;\n\ntemplate<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} \n\ntemplate<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} \n\n\n\nvoid startupcpp(){\n\n cin.tie(0);\n\n ios::sync_with_stdio(false);\n\n cout<<fixed<<setprecision(15);\n\n}\n\n\n\nint main(){\n\n startupcpp();\n\n int i,j,N,K,Q,ans;\n\n cin>>N>>K>>Q;\n\n vector<int> v(N),a(N);\n\n rep(i,N){\n\n cin>>v[i];\n\n a[i]=v[i];\n\n }\n\n vsort(v);\n\n ans=v[Q-1]-v[0];\n\n v.erase(unique(all(v)),v.end());\n\n rep1(j,v.size()){\n\n int ok=v.size(),ng=j-1,mid;\n\n //v[j]<=x<=v[ok] => cnt>=Q;\n\n while(ok-ng>1){\n\n int bf=-1,cnt=0,res=0;\n\n mid=(ok+ng)>>1;\n\n rep(i,N){\n\n if(a[i]<v[j]){\n\n res+=max(min(cnt,i-bf-K),0);\n\n bf=i;\n\n cnt=0;\n\n }else if(a[i]<=v[mid]){\n\n ++cnt;\n\n }\n\n }\n\n res+=max(min(cnt,i-bf-K),0);\n\n if(res>=Q){\n\n ok=mid;\n\n }else{\n\n ng=mid;\n\n }\n\n }\n\n if(ok==(int)v.size())break;\n\n chmin(ans,v[ok]-v[j]);\n\n }\n\n print(ans);\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003061"}1194{"label": "pie_cpp_validation_003062", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 11, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 11, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003062.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003062", "task_path": "tasks/validation/pie_cpp_validation_003062.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\n#include <ext/pb_ds/assoc_container.hpp>\n\n#include <ext/pb_ds/tree_policy.hpp>\n\nusing namespace std;\n\nusing namespace __gnu_pbds;\n\n#define ll long long\n\n#define ld long double\n\n#define pb push_back\n\n#define all(x) (x).begin(), (x).end()\n\ntemplate <typename T> using ord_set = tree <T, null_type, less <T>, rb_tree_tag, tree_order_statistics_node_update>;\n\nmt19937 rng(chrono::steady_clock::now().time_since_epoch().count());\n\n\n\nconst int N = (1 << 11), K = 11;\n\nint n, k, q, a[N], val[N], used[N], m;\n\nvector <int> pos[N];\n\nint par[N];\n\nmultiset <int> st[N];\n\npriority_queue <int> pq;\n\n\n\nvoid upd(int x) {\n\n\twhile ((int)st[x].size() > k - 1) {\n\n\t\tpq.push(*st[x].begin());\n\n\t\tst[x].erase(st[x].begin());\n\n\t}\n\n}\n\n\n\nvoid make_set(int x) {\n\n\tpar[x] = x;\n\n\tst[x].insert(a[x]);\n\n}\n\n\n\nint find_set(int x) {\n\n\tif (x == par[x]) return x;\n\n\treturn par[x] = find_set(par[x]);\n\n}\n\n\n\nvoid union_set(int x, int y) {\n\n\tx = find_set(x), y = find_set(y);\n\n\tif (x == y) return;\n\n\tif ((int)st[x].size() < (int)st[y].size())\n\n\t\tswap(x, y);\n\n\tpar[y] = x;\n\n\tfor (int i : st[y])\n\n\t\tst[x].insert(i);\n\n\tupd(x);\n\n}\n\n\n\nvoid add(int x) {\n\n\tupd(x);\n\n\tused[x] = 1;\n\n\tif (used[x - 1])\n\n\t\tunion_set(x - 1, x);\n\n\tif (used[x + 1])\n\n\t\tunion_set(x, x + 1);\n\n}\n\n\n\nint main() {\n\n\tios_base::sync_with_stdio(false), cin.tie(NULL);\n\n\t#ifdef LOCAL\n\n\t\tfreopen(\"input.txt\", \"r\", stdin);\n\n\t#endif\n\n\t\n\n\tcin >> n >> k >> q;\n\n\tvector <int> b;\n\n\tfor (int i = 1; i <= n; i++) cin >> a[i], b.pb(a[i]);\n\n\tsort(all(b));\n\n\tb.erase(unique(all(b)), b.end());\n\n\tm = b.size();\n\n\tfor (int i = 1; i <= n; i++) {\n\n\t\tint x = lower_bound(all(b), a[i]) - b.begin() + 1;\n\n\t\tval[x] = a[i];\n\n\t\ta[i] = x;\n\n\t\tpos[x].pb(i);\n\n\t\tmake_set(i);\n\n\t}\n\n\tint ans = 1e9;\n\n\tfor (int i = m; i >= 1; i--) {\n\n\t\tfor (int j : pos[i])\n\n\t\t\tadd(j);\n\n\t\twhile ((int)pq.size() > q) pq.pop();\n\n\t\tif ((int)pq.size() == q)\n\n\t\t\tans = min(ans, val[pq.top()] - val[i]);\n\n\t}\n\n\tcout << ans;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003062"}1195{"label": "pie_cpp_validation_003063", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 3, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 3, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003063.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003063", "task_path": "tasks/validation/pie_cpp_validation_003063.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nusing lint = long long;\n\nusing pi = pair<int, int>;\n\nconst int MAXN = 30005;\n\nconst int mod = 998244353;\n\nconst int dx[4] = {0, -1, 0, 1}, dy[4] = {1, 0, -1, 0};\n\n\n\nint n, q, k, a[MAXN];\n\n\n\nbool trial(int l, int r){\n\n\tint cnt = 0;\n\n\tfor(int i=0; i<n;){\n\n\t\tif(a[i] < l){\n\n\t\t\ti++;\n\n\t\t\tcontinue;\n\n\t\t}\n\n\t\tint e = i;\n\n\t\twhile(e < n && a[e] >= l) e++;\n\n\t\tif(e - i >= k){\n\n\t\t\tint tcnt = 0;\n\n\t\t\tfor(int j=i; j<e; j++){\n\n\t\t\t\tif(a[j] <= r) tcnt++;\n\n\t\t\t}\n\n\t\t\tcnt += min(tcnt, e - i - k + 1);\n\n\t\t}\n\n\t\ti = e;\n\n\t}\n\n\treturn cnt >= q;\n\n}\n\n\n\nvector<int> crd;\n\n\n\nint main(){\n\n\tcin >> n >> k >> q;\n\n\tfor(int i=0; i<n; i++){\n\n\t\tcin >> a[i];\n\n\t\tcrd.push_back(a[i]);\n\n\t}\n\n\tsort(crd.begin(), crd.end());\n\n\tcrd.resize(unique(crd.begin(), crd.end()) - crd.begin());\n\n\tint ret = 1e9;\n\n\tint e = 0;\n\n\tfor(int i=0; i<crd.size(); i++){\n\n\t\twhile(e < crd.size() && !trial(crd[i], crd[e])) e++;\n\n\t\tif(e < crd.size()) ret = min(ret, crd[e] - crd[i]);\n\n\t}\n\n\tcout << ret << endl;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003063"}1196{"label": "pie_cpp_validation_003064", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 92, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 92, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003064.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003064", "task_path": "tasks/validation/pie_cpp_validation_003064.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<iostream>\n\n#include<cstdio>\n\n#include<cstring>\n\n#include<queue>\n\nusing namespace std;\n\nint a[2010];bool used[2010];int ans=1e9;\n\npriority_queue<int,vector<int>,greater<int> > pq,pq2;\n\nint main()\n\n{\n\n\tint n,k,q;scanf(\"%d%d%d\",&n,&k,&q);\n\n\tfor(int i=1;i<=n;i++)scanf(\"%d\",&a[i]);\n\n\tfor(int i=1;i<=n;i++)\n\n\t{\n\n\t\tmemset(used,0,sizeof(used));\n\n\t\twhile(!pq2.empty())pq2.pop();\n\n\t\tfor(int j=1;j<=n;j++)if(a[j]<a[i])used[j]=1;\n\n\t\tint st=0;used[n+1]=1;\n\n\t\tfor(int j=1;j<=n+1;j++)\n\n\t\t{\n\n\t\t\tif(used[j]==1)\n\n\t\t\t{\n\n\t\t\t\tfor(int l=st+1;l<j;l++)\n\n\t\t\t\t{\n\n\t\t\t\t\tpq.push(a[l]);\n\n\t\t\t\t}\n\n\t\t\t\tfor(int l=1;l<=j-st-k;l++)pq2.push(pq.top()),pq.pop();\n\n\t\t\t\tst=j;\n\n\t\t\t}\n\n\t\t\twhile(!pq.empty())pq.pop();\n\n\t\t}\n\n\t\tint now=0;\n\n\t\twhile(!pq2.empty())\n\n\t\t{\n\n\t\t\tif(now==q-1)break;pq2.pop();now++;\n\n\t\t}\n\n\t\tif(pq2.empty())continue;\n\n\t\tans=min(ans,pq2.top()-a[i]); \n\n\t}\n\n\tprintf(\"%d\",ans);\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003064"}1197{"label": "pie_cpp_validation_003065", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 95, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 95, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003065.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003065", "task_path": "tasks/validation/pie_cpp_validation_003065.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n//#include<string>\n\nusing namespace std;\n\nint n,k,q,y,a[2001],b[2001],t,ll,s[2001],ss,ans=2e9;\n\nbool cmp(int a,int b){\n\n return a<b;\n\n}\n\nint main(){\n\n scanf(\"%d %d %d\",&n,&k,&q);\n\n for(register int i=1;i<=n;i++)\n\n scanf(\"%d\",&a[i]);\n\n for(register int j=1;j<=n;j++){\n\n \ty=a[j];//\u679a\u4e3e\u80fd\u88ab\u5220\u9664\u7684\u6700\u5c0f\u5143\u7d20y\n\n \tmemset(s,0,sizeof(s));\n\n \tss=0;\n\n\tt=0;\n\n\tfor(register int i=1;i<=n+1;i++){\n\n \t if(i==n+1||a[i]<y){//\u5982\u679ca[i]\u4e3a\u4e00\u6bb5\u7684\u8fb9\u754c\n\n\t\t sort(b+1,b+t+1,cmp);\n\n\t\t ll=t-k+1;//\u5f53\u524d\u8fd9\u6bb5\u80fd\u5220\u7684\u6570\u7684\u4e2a\u6570 \n\n\t\t for(register int l=1;l<=ll;l++)\n\n\t\t s[++ss]=b[l];//\u628a\u80fd\u5220\u7684\u6570\u5b58\u5728s\u6570\u7ec4\u91cc\n\n\t\t memset(b,0,sizeof(b));\n\n\t\t t=0;//\u6e05\u7a7ab\u6570\u7ec4 \n\n\t }\n\n\t else{\n\n\t \t b[++t]=a[i];//\u4e0d\u662f\u8fb9\u754c\u5c31\u52a0\u5165\u5230\u5f53\u524d\u8fd9\u6bb5 \n\n\t }\n\n\t}\n\n\tif(ss<q){//\u5982\u679c\u80fd\u88ab\u5220\u7684\u6570\u4e0d\u8db3q\u4e2a\uff0c\u5c31\u76f4\u63a5\u679a\u4e3e\u4e0b\u4e2ay \n\n\t continue;\n\n\t}\n\n\t sort(s+1,s+ss+1,cmp);\n\n\t //printf(\"%d %d\\n\",s[q],y);\n\n\t ans=min(ans,s[q]-y);//s[q]\u5c31\u662fx,\u8fd9\u91cc\u662f\u66f4\u65b0ans\n\n }\n\n printf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003065"}1198{"label": "pie_cpp_validation_003066", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 2, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 2, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003066.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003066", "task_path": "tasks/validation/pie_cpp_validation_003066.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include <bits/stdc++.h>\n\nusing namespace std;\n\nconst int N=2000;\n\nint a[N+1];\n\nint main(){\n\n int n,k,q;\n\n scanf(\"%d%d%d\",&n,&k,&q); \n\n for (int i=0;i<n;i++)\n\n scanf(\"%d\",&a[i]);\n\n int ans=1e9;\n\n for (int& bound:a) {\n\n vector<int>t;\n\n vector<int>s;\n\n for (int i=0;i<=n;i++){\n\n if (i==n||a[i]<bound){\n\n sort(t.begin(),t.end());\n\n for (int i=0;i<=(int)t.size()-k;i++)\n\n s.push_back(t[i]);\n\n t.clear();\n\n }else t.push_back(a[i]);\n\n }\n\n if ((int)s.size()<q) continue;\n\n sort(s.begin(),s.end());\n\n ans=min(ans,s[q-1]-bound);\n\n }\n\n printf(\"%d\\n\",ans);\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003066"}1199{"label": "pie_cpp_validation_003067", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 79, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 79, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003067.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003067", "task_path": "tasks/validation/pie_cpp_validation_003067.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\n#include<vector>\n\n#include<queue>\n\n#include<stack>\n\n#include<string>\n\n#define INF 0x3f3f3f3f\n\nusing namespace std;\n\ninline int read(){\n\n int w=0,f=1;\n\n char ch=getchar();\n\n while(ch<'0'||ch>'9'){\n\n if(ch=='-')f=-1;\n\n ch=getchar();\n\n }\n\n while(ch>='0'&&ch<='9'){\n\n w=(w<<3)+(w<<1)+ch-48;\n\n ch=getchar();\n\n }\n\n return w*f;\n\n}\n\nint n,m,q,a[200010],b[200010],ans,vec[20010];\n\npriority_queue<int> pq;\n\ninline void work(){\n\n while(!pq.empty()){\n\n if(pq.size()>=m){\n\n vec[0]++;vec[vec[0]]=-pq.top();\n\n }\n\n pq.pop();\n\n }\n\n}\n\nsigned main(){\n\n n=read();m=read();q=read();ans=INF;\n\n for(int i=1;i<=n;i++)a[i]=read();\n\n for(int i=1;i<=n;i++){\n\n int now=a[i];\n\n for(int j=1;j<=n;j++){\n\n if(a[j]>=now) pq.push(-a[j]);\n\n else work();\n\n }\n\n work();\n\n if(vec[0]>=1){\n\n sort(vec+1,vec+vec[0]+1);\n\n }\n\n if(vec[0]>=q&&vec[1]==now){\n\n ans=min(ans,vec[q]-now);\n\n }\n\n memset(vec,0,sizeof(vec));\n\n }\n\n cout<<ans<<endl;\n\n return 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003067"}1200{"label": "pie_cpp_validation_003068", "metadata": {"data_source": "pie-cpp-perf", "gem5_cycles": 83, "hidden_test_count": 1, "problem_id": "p03343", "reference_metric": "runtime_cpu_ns", "reference_value": 83, "source_task_path": "/workspace/runs/pie-tasks-full-20260706/validation/pie_cpp_validation_003068.json", "split": "validation", "subset": "eval", "task_id": "pie_cpp_validation_003068", "task_path": "tasks/validation/pie_cpp_validation_003068.json", "visible_test_count": 1}, "problem_id": "p03343", "prompt": "Optimize the following C++20 program while preserving its exact behavior.\nReturn exactly one <reasoning>...</reasoning> block followed by exactly one fenced cpp code block.\nDo not mention or rely on hidden tests. The program must read stdin and write stdout.\n\nVisible tests:\nInput:\n5 3 2\n4 3 1 5 2\n\nExpected output:\n1\n\n\nProgram:\n```cpp\n#include<bits/stdc++.h>\n\nusing namespace std;\n\nint n,k,q,tag[2005],a[2005],ans=2e9;\n\npair<int,int>lis[2005];\n\nint solve()\n\n{\n\n\tvector<int>vec,cnt,vec2,vec3;\n\n\tfor(int i=0;i<=n+1;++i)if(tag[i])vec.push_back(i);\n\n\tint tot=0,mi=2e9;\n\n\tfor(int i=0;i<vec.size()-1;++i)tot+=max(0,vec[i+1]-vec[i]-k),cnt.push_back(max(0,vec[i+1]-vec[i]-k));\n\n\tif(tot<q)return 1;\n\n\tfor(int i=0;i<cnt.size();++i)\n\n\t{\n\n\t\tif(cnt[i])\n\n\t\t{\n\n\t\t\tvec2.clear();\n\n\t\t\tfor(int j=vec[i]+1;j<vec[i+1];++j)mi=min(mi,a[j]),vec2.push_back(a[j]);sort(vec2.begin(),vec2.end());\n\n\t\t\tfor(int j=0;j<cnt[i];++j)vec3.push_back(vec2[j]);\n\n\t\t}\n\n\t}\n\n\tsort(vec3.begin(),vec3.end());\n\n\t//for(int i=0;i<vec3.size();++i)cout<<vec3[i]<<\" \";cout<<endl;\n\n\tans=min(ans,vec3[q-1]-vec3[0]);\n\n\treturn 0;\n\n}\n\nint main()\n\n{\n\n\tios::sync_with_stdio(0);cin.tie(0);\n\n\tcin>>n>>k>>q;for(int i=1;i<=n;++i)cin>>a[i];\n\n\tfor(int i=1;i<=n;++i)lis[i]={a[i],i};\n\n\tsort(lis+1,lis+1+n);tag[0]=tag[n+1]=1;\n\n\tans=lis[q].first-lis[1].first;\n\n\tfor(int i=1;i<=n;++i)\n\n\t{\n\n\t\t//cout<<i<<\" \"<<ans<<endl;\n\n\t\ttag[lis[i].second]=1;\n\n\t\tif(solve())break;\n\n\t}\n\n\tcout<<ans<<endl;\n\n\treturn 0;\n\n}\n```", "split": "validation", "task_id": "pie_cpp_validation_003068"}