Pta:7-67 friend is very simple 2016final

C++ Exam in progress . Please design a student class student, Student number 、 This exam result is its private data member , At the same time, there is a friend function to find the student with the highest score in this exam student* average(student *p,int count)

The above class name and the form of friend function , Must be in accordance with the requirements of the topic , Do not modify .

Input format :
Input is Student number （[00001,99999]） And achievements , With 0 end .（ No more than 100 A student ）

Output format :
The output is for the students with the highest scores Student number . Tips ： If it is tied for the highest score , You need to output the student numbers of the students with the highest scores , Separated by a space .

sample input :
Here's a set of inputs . for example ：
10001 90
10002 93
0

sample output :
Here is the corresponding output . for example ：
10002

#include<iostream>
using namespace std;
class student
{
    
	private:
		int num;
		int score;
	public:
		student(){
    ;}
		void input(int n,int s)
		{
    
			num=n;
			score=s;
		}
		friend student* average(student *p,int count);
};
student* average(student *p,int count)
{
    
	int max=0,temp;
	for(int i=0;i<count;i++)
	{
    
		temp=p[i].score;
		max=temp>max?temp:max;
	}
	int first=1;
	for(int i=0;i<count;i++)
	{
    
		if(max==p[i].score)
		{
    
			if(first)
			{
    
				cout<<p[i].num;
				first=0;
			}
			else
			cout<<" "<<p[i].num;
		}
		
	}
	return p;
}
int main()
{
    
	student p[100];
	int n,s,i=0;
	cin>>n;
	while(n!=0)
	{
    
		cin>>s;
		p[i++].input(n,s);
		cin>>n;
	}
	average(p,i);
}