bac 2017 sub 2 ex 5

#include <iostream>

using namespace std;

int main() {
    int a[49][49], n, m, i, j;
    cin >> n >> m;
    for (i = 1; i <= n; i++)
        for (j = 1; j <= m; j++)
            cin >> a[i][j];
    for (i = 1; i <= m; i++) // modificare sus
        a[1][i] = a[n][m];
    for (i = 2; i < n; i++) // modificare dreapta
        a[i][m] = a[n][m];
    for (i = m - 1; i >= 1; i--) // modificare jos
        a[n][i] = a[n][m];
    for (i = n - 1; i > 1; i--) // modificare stanga
        a[i][1] = a[n][m];
    cout << endl << "Matricea modificata" << endl << endl;
    for (i = 1; i <= n; i++) {
        for (j = 1; j <= m; j++)
            cout << a[i][j] << ' ';
        cout << endl;
    }
    system("pause");
    return 0;
}