#include <stdlib.h>

int
comp(const void * x, const void * y)
{
  return *(int*)x - *(int*) y;
}

#define SIZE 1000000

int
main()
{
    int arr[SIZE];
    int count = 10;
    while(count--)
    {
        qsort(arr, SIZE, sizeof(int), comp);
    }
}