使用交换排序法，利用指针和数组对学生成绩进行升序排序

//使用交换排序法，利用指针和数组对学生成绩进行升序排序
#include <stdafx.h>
#include <iostream> 
#include <stdlib.h>
#include <cmath>
#include <iomanip>
using namespace std;
struct student 
{
	int no;
	char name[10];
	char sex;
	double score;
};

void sort(student *s[],int n)
{
	struct student *stumin;
	for (int i=0;i<n;i++)
	{
	
		for (int j=i+1;j<n;j++)
		{
			if((*s[i]).score > (*s[j]).score)
			{
				stumin = s[j];
				s[j] = s[i];
				s[i] = stumin;
			}
		}
	}
}
#define length 6
void main()
{

	struct student stu[5]={{1,"zhao",'M',87.5},{2,"qian",'M',60.8},{3,"sun",'F',96.2},{4,"li",'M',77.8},{5,"zhou",'F',37.6}};
	cout<<"使用结构体变量名："<<endl;
	cout <<setw(4)<<"NO."<<setw(8)<<"姓名"<<setw(8)<<"性别"<<setw(8)<<"年龄"<<endl;
	for (int i=0;i<5;i++)
	{
		cout <<setw(4)<<stu[i].no<<setw(8)<<stu[i].name<<setw(8)<<stu[i].sex<<setw(8)<<stu[i].score<<endl;
	}

	cout<<"使用结构体数组指针："<<endl;
	struct student *s[5];
	for (int i=0;i<5;i++)
	{
		s[i] = &stu[i];
	}
	cout <<setw(4)<<"NO."<<setw(8)<<"姓名"<<setw(8)<<"性别"<<setw(8)<<"年龄"<<endl;
	for (int i=0;i<5;i++)
	{
		cout <<setw(4)<<(*s[i]).no<<setw(8)<<(*s[i]).name<<setw(8)<<(*s[i]).sex<<setw(8)<<(*s[i]).score<<endl;
	}

	cout<<"使用算法交换排序法："<<endl;
	struct student *p[5];
	for (int i=0;i<5;i++)
	{
	p[i] = &stu[i];
	}
	sort(p,5);
	cout <<setw(4)<<"NO."<<setw(8)<<"姓名"<<setw(8)<<"性别"<<setw(8)<<"年龄"<<endl;
	for (int i=0;i<5;i++)
	{
	cout <<setw(4)<<(*p[i]).no<<setw(8)<<(*p[i]).name<<setw(8)<<(*p[i]).sex<<setw(8)<<(*p[i]).score<<endl;
	}
	
	

}