private void cicl(int[] sc, int r, int k)
        {
            for (sc[r] = 0; sc[r] <= n; sc[r]++)
            {
                if (r < k)
                {
                    r++;
                    if (r < k)
                    {
                        cicl(sc, r, k);
                    }
                }
                if (r == k)
                {
                    sum = 0;
                    int x = 0;
                    while (x < k)
                    {
                        sum += sc[x];
                        x++;
                    }
                    if (sum == n)
                    {
                        sl++;
                        label3.Text = Convert.ToString(sl);
                    }
                }
            }

        }