P153 7

<img src="https://img-blog.youkuaiyun.com/20150427213240845?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvWXVTb25nNDg2OQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" alt="" />#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=1500;} 
void Teacher::display()  
{cout<<"num:"<<num<<"\nname:"<<name<<"\nsex:"<<sex<<"\npay:"<<pay<<"\n\n";} 
int main()  
{Teacher teacher1(10001,"Li",'f',1234.5),teacher2; 
Student student1(20010,"Wang",'m',89.5); 
cout<<"student1:"<<endl; 
student1.display();  
teacher2=Teacher(student1); 
cout<<"teacher2:"<<endl; 
teacher2.display(); 
return 0; 
}