递归排序之快速排序（挖坑法）

 1 #include <stdio.h>
 2 
 3 
 4 unsigned char standard(unsigned char* array,unsigned char low, unsigned char high)
 5 {
 6     unsigned char key = array[low];
 7     while(low<high)
 8     {
 9         while(low<high && array[high] >= key)        
10             high--;            
11         if(low < high)
12             array[low] = array[high];
13         while(low<high && array[low] <= key)
14             low++;
15         if(low < high)
16             array[high] = array[low]; 
17     }
18     array[low] = key;
19     return low;
20 }
21  
22 void quicksort(unsigned char* array,unsigned char low, unsigned char high)
23 {
24     unsigned char no;
25     if(low < high)
26     {
27         no = standard(array,low,high);
28         if(no)
29             quicksort(array,low,no - 1);
30         quicksort(array,no + 1,high);
31     }
32 }
33 
34 int main(void) {
35     unsigned char i;
36     unsigned char array[10] = {4,1,3,9,6,2,8,5,0,7};
37     printf("Hello World\n");
38     quicksort(array,0,9);
39     for(i=0;i<10;i++)
40     {
41         printf("%d\n",array[i]);
42     }
43     return 0;
44 }