第四章t7

#include <iostream>
using namespace std;
class Student
{public:
Student(int,char[],char,float);
int get_num(){return num;}
char * get_name(){return name;}
char get_sex(){return sex;}
void display()
{cout<<"num:"<<num<<"\nname:"<<name<<"\nsex:"<<sex<<"\nscore:"<<score<<"\n\n";}
private:
int num;
char name[20];
char sex;
float score;
};

Student::Student(int n,char nam[],char s,float so)
{num=n;
strcpy(name,nam);
sex=s;
score=so;
}

class Teacher
{public:
Teacher(){}
Teacher(Student&);
Teacher(int n,char nam[],char sex,float pay);
void display();
private:
int num;
char name[20];
char sex;
float pay;
};

Teacher::Teacher(int n,char nam[],char s,float p)
{num=n;
strcpy(name,nam);
sex=s;
pay=p;
}

Teacher::Teacher(Student& stud)
{num=stud.get_num();
strcpy(name,stud.get_name());
sex=stud.get_sex();
pay=3000;}

void Teacher::display()
{cout<<"num:"<<num<<"\nname:"<<name<<"\nsex:"<<sex<<"\npay:"<<pay<<"\n\n";}

int main()
{
Teacher teacher1(10001,"Li",'f',1234),teacher2;
Student student1(20010,"Wang",'m',89);
cout<<"student1:"<<endl;
student1.display();
teacher2=Teacher(student1);
cout<<"teacher2:"<<endl;
teacher2.display();
return 0;
}