第三章
4.建立一个对象数组,内存放5个学生数据(学号、成绩),用指针指向组首元素,输出第1,3,5个学生的成绩
#include<iostream>
using namespace std;
class Student {
public:
Student(int s = 0, int sc = 0) :sno(s), score(sc) {};
void display() {
cout << "学号:" << sno << "分数:" << score << endl;
}
private:
int sno;
int score;
};
int main() {
Student s[5] = {
Student(1,60),
Student(2,70),
Student(3,80),
Student(4,90),
Student(5,100)
};
Student* p;
for ( p = s; p < (s+5); p+=2) {
p->display();
}
return 0;
}
结果:
5.建立一个对象数组,内存放5个学生数据(学号、成绩),设立一个函数max,用指向对象的指针作函数参数,在max函数中找出5个学生中成绩最高者,并输出其学号。
#include<iostream>
using namespace std;
class Student {
public:
Student(int s = 0, int sc = 0) :sno(s), score(sc) {};
void display() {
cout << "学号:" << sno << "分数:" << score << endl;
}
int get_score() {
return score;
}
int get_sno(){
return sno;
}
private:
int sno;
int score;
};
void max(Student* p,Student s[]) {
Student* max =