这段代码怎么改，才能运行（main的第一行要保留）

Question

#include
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;
};
int main()
{
const student stud(101,78.5);
stud.display();
stud.change(101,85.5);
stud.display();
return 0;

Answer 1

#include "stdafx.h"
#include

//#include
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;
};
int main()
{
** student stud(101,78.5);**
stud.display();
stud.change(101,85.5);
stud.display();
return 0;
}