Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
68736 张之隽 04圆的面积 C++ Compile Error 0 MS 0 KB 186 2024-03-24 14:26:58

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int main(){ double r; cin >> r; pa=3.1415926*r*r; scanf("%lf %lf", &r,&pa); printf("%.2lf",r*pa); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:5: error: 'pa' was not declared in this scope
     pa=3.1415926*r*r;
     ^