Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
150740 刘柠锐 13分苹果 C++ Compile Error 0 MS 0 KB 153 2026-03-30 17:10:48

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ int m,n; cin>>m; n=0; for(int x=1;x<=m;x++) {n=n+x; } cout<<n; }

Run Info:

Main.cc:1:20: warning: extra tokens at end of #include directive
 #include using namespace std;
                    ^
Main.cc: In function 'int main()':
Main.cc:4:5: error: 'cin' was not declared in this scope
     cin>>m; n=0;
     ^
Main.cc:4:5: 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:7:16: error: 'cout' was not declared in this scope
              } cout<