#include <iostream>
#include <cstring>
using namespace std ;
//聲明教師類 
class Techer ;
//學生類 
class Student 
{
 private:
 string name ;
 int age ; 
 char sex ; 
 int score ; 
 public :
 Student(string name , int age , char sex , int score);
 void stu_print(Techer &tech);
};
//教師類 
class Techer
{
 private:
 string name ;
 int age ; 
 char sex ; 
 int score ; 
 public :
 Techer(string name , int age , char sex , int score);
 //聲明一個友元類
 friend Student ;
};
//Student類的構造函數(shù)的實現(xiàn) 
Student::Student(string name , int age , char sex , int score)
{
 this->name = name ; 
 this->age = age ; 
 this->sex = sex ; 
 this->score = score ;
}
//Techer類的構造函數(shù)的實現(xiàn)
Techer::Techer(string name , int age , char sex , int score)
{
 this->name = name ; 
 this->age = age ; 
 this->sex = sex ; 
 this->score = score ;
}
//打印Student類中的私有成員和Techer的私有成員 
void Student::stu_print(Techer &tech)
{
 //用this指針訪問本類的成員 
 cout << this->name << endl ; 
 cout << this->age << endl ; 
 cout << this->sex << endl ; 
 cout << this->score << endl ;
 //訪問Techer類的成員 
 cout << tech.name << endl ;
 cout << tech.age << endl ; 
 cout << tech.sex << endl ; 
 cout << tech.score << endl ;
}
int main(void)
{
 Student stu1("YYX",24,'N',86);
 Techer t1("hou",40,'N',99);
 stu1.stu_print(t1);
 return 0 ;
}