int main(void)
    {
            int array[] = {1, -1, 2, 3, 4, -5, 6};
            int cnt = sizeof(array)/sizeof(array[0]);
            int *neg, *pos;
            int **low = &neg;
            int **high = &pos;

            neg = (int*) malloc(sizeof(int) * 2);
            pos = (int*) malloc(sizeof(int) * 5);

            sort(array, cnt, low, high);

            for(int i = 0; i < 5; i++)
            {
                   printf("%3dn", pos[i]);
            }

            //same for negative array

            return 0;

    }

    int sort(int *arr, int cnt, int **low, int **high)
    {
          for(int i = 0; i < cnt; i++)
          {
               if(array[i] > 0)
               {
                   *high[0] = arr[i];
                   **high++;
               }
               else
               {
                   *low[0] = arr[i];
                   **low++;
               }
          }
    }