排序算法之快速排序

#include <stdio.h>
void sort(int list[], int low, int high, int &k, int end)
{
    int x = list[low];
    while (low < high)
    {
        while (low < high)
        {
            if (list[high] >= x)
                high--;
            else
            {
                list[low] = list[high];
                break;
            }
        }
        while (low < high)
        {
            if (list[low] <= x)
                low++;
            else
            {
                list[high] = list[low];
                break;
            }
        }
        for (int i = 0; i <= end; i++)
        {
            printf("%d ", list[i]);
        }
        printf("\n");
    }
    list[low] = x;
    k = low;
}

void quickSort(int list[], int low, int high, int end)
{
    int k;
    if (low < high)
    {
        sort(list, low, high, k, end);
        quickSort(list, low, k - 1, end);
        quickSort(list, k + 1, high, end);
    }
}

int main(void)
{
    int list[99] = {0};
    int i;
    printf("输入数字，以 -999 结束:\n");
    for (i = 0; i < 99; i++)
    {
        scanf("%d", &list[i]);
        if (list[i] == -999)
            break;
    }
    int low = 0, high = i - 1;
    int end = i - 1;
    quickSort(list, low, high, end);
}