结构体，对例题的总结

/*  *Copyright (c) 2013 ,烟台大学计算机学院  *All rights reserved.  *作者：王至超  *完成日期：2014.02.26 *版本号：v1.0  *问题描述：利用结构体复习课本例题 *样例输入： *样例输出： *问题分析：用简单的方法，学会活学活用  */  #include <iostream>using namespace std;struct Date//声明结构体类型Date{    int month;    int day;    int year;};struct Student//声明结构体类型Student{    int num;    char name[20];    char sex;    Date birthday;    float score;}student1,student2={10002,"Wang Li",'f',5,23,1992,89.5};int main(){   student1=student2;   cout<<student1.num<<endl;   cout<<student1.name<<endl;   cout<<student1.sex<<endl;   cout<<student1.birthday.month<<'/'<<student1.birthday.day<<"/" <<student1.birthday.year<<endl;   cout<<student1.score<<endl;    return 0;}