int x,y;

    printf ("podaj rozmiar ");
    scanf("%d",&y);
    scanf("%d",&x);
    int **tab =(int**) malloc(y*sizeof(int*));
    for(int i = 0 ; i < y ;i++)
         tab[i] = (int* ) malloc(x* sizeof(int*));
    srand(time(NULL));
    for(int k = 0 ; k<y ; k++)
    {
        for(int j = 0 ; j < x ; j ++ )
        {
            tab[k][j]=rand() %10 ;
            printf("%d ",tab[k][j]);

        }