Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
127907 何睿函 矩阵行交换 C++ Compile Error 0 MS 0 KB 486 2025-07-30 12:38:23

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ int m,a[6][6]; cin >> n >> m; for(int i = 1;i <= 5;i++){ for(int j = 1;j <= 5;j++){ cin >> a[i][j]; } } for(int i = 1;i <= 5;i++){ for(int j = 1;j <= 5;j++){ if(i == n) cout << a[m][j] << " "; else if(i == m) cout << a[n][j] << " "; else cout << a[i][j] << " "; } cout << endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:5:11: error: 'n' was not declared in this scope
    cin >> n >> m; 
           ^