Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
96093 陈治宸 04圆的面积 C++ Compile Error 0 MS 0 KB 205 2024-11-03 08:53:32

Tests(0/0):

Code:

#include<iostream> #include<cstdio> using namespase std; int main(){ double PI=3.1415926; double r,s; cin>>r; s=PI*r*r; printf("圆的面积：%.2lf\n",s) return 0; }

Run Info:

Main.cc:3:7: error: expected nested-name-specifier before 'namespase'
 using namespase std;
       ^
Main.cc: In function 'int main()':
Main.cc:7:5: error: 'cin' was not declared in this scope
     cin>>r;
     ^
Main.cc:7:5: note: suggested alternative:
In file included from Main.cc:1:0:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:10:5: error: expected ';' before 'return'
     return 0;
     ^