| Run ID | Author | Problem | Lang | Verdict | Score | Time | Memory | Code Length | Submit Time |
|---|---|---|---|---|---|---|---|---|---|
| 430641 | 王璟源 | 【C1-T】圆的面积 | C++ | Accepted | 100 | 5 MS | 252 KB | 174 | 2026-02-26 17:27:49 |
#include<iostream> #include<iomanip> using namespace std; int main(){ int r; cin>>r; cout<<fixed<<setprecision(7)<<1.0*r*r*3.141592653589793238<<endl; return 0; }