指向学生的指针

#include <iostream>using namespace std;class Student{public:    Student(int n,double s):num(n),score(s) {}    void display();    int getNum(); double getScore();private:    int num;   double score;}; void Student::display(){   cout<<num<<" "<<score<<endl;}int Student::getNum(){    return num;}double  Student::getScore(){    return score;}int max(Student *arr);int main(){   int i;    Student stud[5]=    {        Student(101,78.5),Student(102,85.5),Student(103,100),        Student(104,98.5),Student(105,95.5)    };    for(i=0;i<=5;i+=2)    {       stud[i].display();    }    cout<<"5个学生中成绩最高者的学号为: "<<max(stud);    return 0;}int max(Student *arr){int i,n=0;double max_score=arr[0].getScore();for(i=0;i<5;i++){    if(arr[i].getScore()>max_score)    {     max_score=arr[i].getScore();     n=i;     }     return arr[n].getNum();}}