Post #324

// mus 1.a int n; cin>>n; int a[n][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { if (i == j) a[i][j] = 1; else a[i][j] = 0; } } for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { cout << a[i][j] << " "; } cout << endl; }