对下列数据表,写出采用希尔排序算法的每一趟结果。(100,12,20,31,1,5,44,66,61,200,30,80,150,4,8)设增量序列为:d=(5,3,1)。
用C++写出相应程序,并做出相应注释。 我只理解算法,写代码能力太差,因为急用 高手帮忙啊!
參考答案:我来帮你做..妹妹给分哦!
#include "iostream.h"
void shellSort(int *arr, int len, int *p, int len1);
int main()
{
int num[15]={100,12,20,31,1,5,44,66,61,200,30,80,150,4,8};
int i;
cout<<"待排数据d=(5,3,1): ";
for(i=0;i<15;i++)
{
cout<<num[i]<<" ";
}
int s[3]={5,3,1};
shellSort(num,15, s,3);
cout<<"\n";
return 0;
}
void shellSort(int *arr, int len, int *p, int len1)
{
for (int i = 0; i < len1; i++)
{
int d = p[i];
for (int n = 0; n < d; n ++)
{
for (int j = n + d; j < len; j = j + d)
{
if (arr[j] < arr[j - d])
{
int tmp = arr[j];
for (int k = j - d; k >= 0 && arr[k] > tmp; k = k - d)
{
arr[k + d] = arr[k];
}
arr[k + d] = tmp;
}
}
}
cout<<"第"<<i+1<<"趟排序结果:";
for(int m=0;m<15;m++)
cout<<arr[m]<<" ";
cout<<"\n";
}
}