6-39.运动成绩排名

某大学开田径运动会，现有12名选手参加100米比赛，对应的运动员号及成绩如表所示，请按照成绩排名并输出，要求每一行输出名次、运动员号及成绩。

代码实现：

#include  <iostream>
#include  <iomanip>
#include  <string>
using  namespace  std;  
class  Sport        
{
    public:  
              Sport()  {  }
        Sport(string  n,double  g)
        {
                num=n;
                grade=g;
        }  
        string  num;        
        double  grade;        
};        
void Order(Sport *a,int n){
	Sport turn;
	double min;
	int pos;
	for(int i=0;i<n;i++){
		min = a[i].grade;
		pos = i;
		for(int j=i+1;j<n;j++){
			if(min>a[j].grade){
				min = a[j].grade;
				pos = j;
			}
		}
		if(pos!=i){
			turn.grade = a[i].grade;
			turn.num = a[i].num;
			
			a[i].grade = a[pos].grade;
			a[i].num = a[pos].num;
			
			a[pos].grade = turn.grade;
			a[pos].num = turn.num;
		}
	}
}
void show(Sport* a,int n){
	for(int i=0;i<n;i++){
		cout<<"    "<<setw(2)<<i+1<<"   "<<setw(3)<<a[i].num<<"  "<<setiosflags(ios::right)<<setw(4)<<a[i].grade<<endl;
	}
}
int main(){
	Sport a[]={
	Sport("001",13.6),
	Sport("002",14.8),
	Sport("010",12.0),
	Sport("011",12.7),
	Sport("023",15.6),
	Sport("025",13.4),
	Sport("031",14.9),
	Sport("036",12.6),
	Sport("037",13.4),
	Sport( "102",12.5),
	Sport("325",15.3),
	Sport("438",12.7)};
	Order(a,12);
	show(a,12);
	return 0;
}