#include <iostream>

 #include<string.h>

 /* run this program using the console pauser or add your own getch, system("pause") or input loop */

 using namespace std;

 //定义双亲（parent）类

 class parent {

     char  f_name[];

     char  m_name[];

     char  tel[];

 public:

     // parent类的构造函数，其带有缺省值

     parent(char *p1="",char *p2="",char *p3="") {

         strcpy(f_name,p1);

         strcpy(m_name,p2);

         strcpy(tel,p3);

     }

     //显示parent对象的数据

     show_parent(void) {

         cout<<"The parent:"<<endl;

         cout<<"    father's name:"<<f_name<<endl;

         cout<<"    mother's name:"<<m_name<<endl;

         cout<<"    tel:"<<tel<<endl;

     }

 };

 //定义student类

 class student {

     int       num;

     char      name[];

     float     grade;

     parent    pt;

 public:

     // student类的构造函数

     student(int n,char *str,float g,class parent t) {

         num=n;

         strcpy(name,str);

         grade=g;

         pt=t;

     }

     //显示student对象的数据

     show_student(void) {

         cout<<"num:"<<num<<endl;

         cout<<"name:"<<name<<endl;

         cout<<"grade:"<<grade<<endl;

         pt.show_parent();

     }

 };

 //main()函数测试student类的对象

 int main(int argc, char** argv) {

         //创建双亲对象

     parent p1("ZhangHua","LiLan","");

     //创建学生对象

     student st(,"ZhangHui",91.5,p1); 

     //显示学生信息

     cout<<"p1:"<<endl;

     p1.show_parent();

     //显示学生信息

     cout<<"st:"<<endl;

     st.show_student();

     return ;

 }