Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
136516 王显端 07判断正负数 C++ Compile Error 0 MS 0 KB 161 2025-11-15 12:26:17

Tests(0/0):

Code:

int main() { int a; cin>>a>> ; if (a>0) { cout <<"YES"<< endl; } else { cout <<"NO"<< endl; } return 0;

Run Info:

Main.cc: In function 'int main()':
Main.cc:3:4: error: 'cin' was not declared in this scope
    cin>>a>> ;
    ^
Main.cc:3:13: error: expected primary-expression before ';' token
    cin>>a>> ;
             ^
Main.cc:6:8: error: 'cout' was not declared in this scope
        cout <<"YES"<< endl;
        ^
Main.cc:6:23: error: 'endl' was not declared in this scope
        cout <<"YES"<< endl;
                       ^
Main.cc:10:8: error: 'cout' was not declared in this scope
        cout <<"NO"<< endl;
        ^
Main.cc:10:22: error: 'endl' was not declared in this scope
        cout <<"NO"<< endl;
                      ^
Main.cc:13:12: error: expected '}' at end of input
    return 0;
            ^