Dev - C++ - arrays

#include <iostream>

using namespace std;

int main()

{

    int matriz[3][5];

    int i=0,j,num;

    srand(time(NULL));

    //llenar matriz

    while (i < 3) {

        j = 0;

        while (j < 5) {

            num = 1 + rand() % (41-1);

            if (num % 5 == 0) {

                matriz[i][j] = num;

                j++;

            }

            else

                continue;

        }

        i++;

    }

    //mostrar matriz

    for (i=0; i<3; i++) {

        for (j=0; j<5; j++) {

            cout << matriz[i][j] << "\t";

        }

        cout << endl;

    }

    return 0;

}