Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
143057 李昊阳 A+B 输入输出练习I C++ Compile Error 0 MS 0 KB 113 2026-01-11 18:42:02

Tests(0/0):

Code:

#include <bits/stdc++.h> int main(){ int a,b,c,d; cin>>a>>b>>c>>d; cout<<a+b<<c+d; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:4:5: error: 'cin' was not declared in this scope
     cin>>a>>b>>c>>d;
     ^
Main.cc:4:5: note: suggested alternative:
In file included from /usr/include/x86_64-linux-gnu/c++/5/bits/stdc++.h:74:0,
                 from Main.cc:1:
/usr/include/c++/5/iostream:60:18: note:   'std::cin'
   extern istream cin;  /// Linked to standard input
                  ^
Main.cc:5:5: error: 'cout' was not declared in this scope
     cout<