Interschimbare

#include <iostream>
#include <stdlib.h>     /* srand, rand */
#include <time.h>       /* time */
using namespace std;

int A[10][10], n, m, k, aux;

void afisare() {
    cout << endl;

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
            cout << A[i][j] << " ";
        cout << endl;
    }
    cout << endl;
}

int main()
{
    cout << "k: "; cin >> k;
    cout << "n: "; cin >> n;

    /* initialize random seed: */
    srand(time(NULL));

    /* generate secret number between 1 and 10: */
    int nrGeneratRandom;

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            nrGeneratRandom = rand() % 7 + 1;
            A[i][j] = nrGeneratRandom; //Introducere date in matrice
        }
    }

    afisare();


    /*Interschimbarea*/

    for (int coloana = 1; coloana < n; coloana++)
    {
        aux = A[k][coloana];

        A[k][coloana] = A[coloana][k];

        A[coloana][k] = aux;
    }


    afisare();

    cout << endl;

    return 0;
}