Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
63817 邓昊源 矩阵对角线 C++ Compile Error 0 MS 0 KB 652 2024-01-19 19:12:45

Tests(0/0):

Code:

#include<bits/stdc++.h> using namespace std; int a[100][100]; int main(){ int n, m; cin >> n >> m; for (int i = 0; i < n; i++){ for (int j = 0; j < m; j++){ cin >> a[i][j]; } } for (int i = 0; i < n; i++){ for(int j = 0;j < m; j++){ if (i == j || i+j == n-1) { a[i][j] += m; continue; } } a[i][j] += m; a[i][n - 1 - i] += m; } for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { cout <<a[i][j]; } cout << endl; } return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:19:14: error: 'j' was not declared in this scope
         a[i][j] += m; 
              ^