#define _CRT_SECURE_NO_WARNINGS
/*编写程序sys14-5.c,建立一个对象数组,内放5个学生的数据(学号,成绩),设计一个函数max,用指向对象的指针作为函数参数,在max函数中找出5个学生中成绩最高者,输出其学号。
提示:声明max函数作为Student类的友元函数。
*/
#include<iostream>
using namespace std;
class Student
{
public:Student() {}
Student(int num, float score) :num(num), score(score) {}
void show() { cout <<"第一名是学号为:"<< num << ",成绩为:" <<score << endl; }
private:int num;
float score;
friend Student max(Student *p, int n);
};
Student max(Student *p, int n)
{
Student max;
int i=0;
max = p[i];
for (i = 1;i < n;i+=2)
{
if (max.score < p[i].score)max = p[i];
}
return max;
}
int main()
{
Student maxstu,stud[] = { Student(101,88),Student(102,98) ,Student(103,28) ,Student(104,84) ,Student(105,85),Student(106,228),Student(107,38),Student(108,18), };
maxstu=max(stud, 8);
maxstu.show();
return 0;
}