第四周项目3指向学生类的指针

#include <iostream>
using namespace std;

class Student
{
public:
Student(int n,double s):num(n),score(s) {}
void display();
int getNum()
{
return num;
}
double getScore()
{
return score;
}
private:
int num;
double score;
};

void Student::display()
{
cout<<num<<" "<<score<<endl;
}

int max(Student *arr);
int main()
{
Student stud[5]=
{
Student(101,78.5),Student(102,85.5),Student(103,100),
Student(104,98.5),Student(105,95.5)
};

for(int i=0; i<5; i+=2)
{
cout<<"学生"<<i+1<<": ";
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)
{
double max_score=arr[0].getScore();
int k=0;
for(int i=1; i<5; i++)
if(arr[i].getScore()>max_score)
{
max_score=arr[i].getScore();
k=i;
}
return arr[k].getNum();
}