希尔排序

 1 #include <stdio.h>
 2 
 3 typedef int ElementType;
 4 
 5 void SwapTwoNum(ElementType *Num_1,ElementType *Num_2)
 6 {
 7     int NumTemp = *Num_1;
 8     *Num_1 = *Num_2;
 9     *Num_2 = NumTemp;
10 }
11 
12 void ShellSort(ElementType *Array,int ArrayLen)
13 {
14     int i,j;
15     int Gap;
16     for(Gap = ArrayLen/2;Gap > 0;Gap /= 2)
17     {
18         for(i = Gap;i < ArrayLen;i ++)
19         {
20             for(j = i - Gap;j >= 0 && Array[j] > Array[j+Gap];j -= Gap)
21             {
22                 SwapTwoNum(&Array[j],&Array[j+Gap]);
23             }
24         }
25     }
26 }
27 
28 int main()
29 {
30     ElementType TestArray[10] = {8,9,2,4,1,2,5,9,3,7};
31     ShellSort(TestArray,10);
32     int i;
33     for(i = 0;i < 10;i ++)
34     {
35         printf("%d ",TestArray[i]);
36     }
37     printf("
");
38     return 0;
39 }