Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
102906 余彦铮 04圆的面积 C++ Compile Error 0 MS 0 KB 329 2024-12-27 16:11:22

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; a=3.1415926*a*a; printf("%.2f",a/1) return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:11:18: warning: format '%f' expects argument of type 'double', but argument 2 has type 'int' [-Wformat=]
 printf("%.2f",a/1)
                  ^
Main.cc:15:5: error: expected ';' before 'return'
     return 0;
     ^