Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
80525 sh25_wangtaojie 圆的面积 C++ Accepted 0 MS 236 KB 195 2026-01-04 15:20:25

Tests(1/1):

#include<bits/stdc++.h> using namespace std; int main(){ double pi=3.14; double c,s,r; c=10.2; r=c/2/pi; s=pi*r*r; cout<<fixed<<setprecision(2)<<s; return 0;}

Judgement Protocol: