void main ()
{
int arr[SIZE2][SIZE2];
            getArr1(arr);
            int size = sizeof(arr) / sizeof(arr[0]);
            int jumpingSize, num;
            cout << "Please enter jumping size and a number: ";
            cin >> jumpingSize >> num;
            fillInArr((int**)arr, size, jumpingSize, num);
            printArr1((int**)arr);
}
int fillInArr(int **arr, int size, int jumpingSize, int num)
{
    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < size; j += jumpingSize)
        {
            arr[i][j] = num;
        }
    }
    return **arr;
}

void getArr1(int arr[][SIZE2])
{

    cout << "Please enter " << SIZE2*SIZE2 << " numbers" << endl;
    for (int i = 0; i < SIZE2; i++)
    {
        for (int j = 0; j < SIZE2; j++)
        {
            cin >> arr[i][j];
        }
    }
}
void printArr1(int** arr)
{
    for (int i = 0; i < SIZE2; i++)
    {
        for (int j = 0; j < SIZE2; j++)
        {
            cout << arr[i][j] << " ";
        }
        cout << endl;
    }

}