希尔排序

#include "stdafx.h"
#include <conio.h>
#include <stdlib.h>


#define NUM 10


void Shell(int *p, int num)
{
int h,j,k,t;
for (h = num/2;h >0;h = h/2)
{
for (j = h;j < num;j++)
{
t = *(p +j);
for (k = j - h;((k >= 0)&&(t < *(p + k)));k -= h)
{
*(p + k + h) = *(p + k);
}
*(p + k + h) = t;
}
}
}


int _tmain(int argc, _TCHAR* argv[])
{
int arr[NUM];
for (int i = 0; i < NUM; i++)
{
arr[i] = rand()%100;
printf("%d ",arr[i]);
}
Shell(arr,NUM);
for (int i = 0; i < NUM; i++)
{
printf("%d ",arr[i]);
}
_getch();
return 0;

}