oj刷（1）4对象数组

Input

Output

#include <iostream>
#include<iomanip>
using namespace std;

class Student
{
public:
Student(int n=0,double s=0):num{n},score(s){}
void input();
void display();
private:
int num;
double score;
};
void Student::input()
{
cin>>num>>score;
}
void Student::display()
{
cout<<num<<" "<<score<<endl;
}
int main()

{

const int NUM=10;

Student stud[NUM];

int n,i;

cin>>n;

for(i=0; i<n; i++)

stud[i].input();

cout<<setiosflags(ios::fixed);

cout<<setprecision(2);

Student *p=stud;

for(i=0; i<n; p+=2,i+=2)

p->display();

return 0;

}