Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
77104 任星宇 04圆的面积 C++ Compile Error 0 MS 0 KB 170 2024-06-08 12:31:12

Tests(0/0):


Code:

#include <iostream> using namespace std; int main(){ double r,s; scanf("%lf",&r); s=3.1415926*r*r; printf("% ,2lf",s) return 0; }


Run Info:

Main.cc: In function 'int main()':
Main.cc:7:22: warning: unknown conversion type character ',' in format [-Wformat=]
     printf("% ,2lf",s)
                      ^
Main.cc:7:22: warning: too many arguments for format [-Wformat-extra-args]
Main.cc:10:5: error: expected ';' before 'return'
     return 0;
     ^
Main.cc:5:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lf",&r);
                    ^