Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
95582 陈家渝 04圆的面积 C++ Compile Error 0 MS 0 KB 331 2024-10-30 12:53:55

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ int a; cin>>a; printf("%.2lf",3.1415926*r*r*h); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:30: error: 'r' was not declared in this scope
     printf("%.2lf",3.1415926*r*r*h);
                              ^
Main.cc:10:34: error: 'h' was not declared in this scope
     printf("%.2lf",3.1415926*r*r*h);
                                  ^