第3章 第8题

#include<iostream>
using namespace std;

class Student
{
	public:
		Student(int n,float s):num(n),score(s){}
		void change(int n,float s){num=n;score=s;}
		void display(){cout<<num<<" "<<score<<endl;}
	private:
		int num;
		float score;
};

void fun(Student &s)
{
	s.display();
	s.change(101,80.5);
	s.display();
}

int main()
{
	void fun(Student&);
	Student stud(101,78.5);
	fun(stud);
	return 0;
}