1 #include <stdio.h>
2
3 int main(void)
4 {
5 int a[6] = {2,1,0,5,4,3};
6 int i;
7 QuickSort(a,0,5);//第二个参数表示第一个元素的下标 第三个参数表示最后的元素的下标
8
9 for(i= 0 ;i<6;++i)
10 printf("%d",a[i]);
11 printf("\n");
12 return 0;
13 }
14
15 void QuickSort(int *a , int low ,int high)
16 {
17 int pos;
18 if(low<high)
19 {
20 pos = FindPos(a,low,high);
21 QuickSort(a,low,pos-1);
22 QuickSort(a,pos+1,high);
23 }
24 }
25
26 int FindPos(int *a , int low , int high)
27 {
28 int val = a[low];
29 while(low<high)
30 {
31 while(low<high && a[high]>=val )
32 --high;
33 a[low] = a[high];
34 while(low<high && a[low]<=val )
35 ++low;
36 a[high] = a[low];
37 }//终止while循环之后low和high 一定是相等的
38 a[low] = val;
39
40 return low;//low也可以为high
41 }
来源:https://www.cnblogs.com/yuejian/p/12455030.html