定义一个教师类和一个学生类 第七题

#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; }