Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
126218 赵梓渊 05交换数据 C++ Compile Error 0 MS 0 KB 108 2025-07-16 16:44:01

Tests(0/0):

Code:

#include<cmath> using namespace std; int main(){ int a,b; cin>>a>>b; cout<<b<<" "<<a; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:5: error: 'cin' was not declared in this scope
     cin>>a>>b;
     ^
Main.cc:6:5: error: 'cout' was not declared in this scope
     cout<