#include <iostream>

 #include <string>

 using namespace std; 

 class Date //日期类

 {

 private:

 int year;

 int month;

 int day;

 public:

 Date(){} //默认构造

 Date(int y,int m,int d) //带参构造

 {

 year=y;

 month=m;

 day=d;

 }

 void set() //设置数据函数

 {

 cin>>year>>month>>day;

 }

 void display() //显示函数

 {

 cout<<year<<"年"<<month<<"月"<<day<<"日";

 }

 }; 

 class Person //人员类

 {

 private:

 int num;

 char sex;

 Date birthday;

 char ID[];

 public:

 Person(){} //默认构造

 Person(int n,int y,int m,int d,char id[],char s='m'):birthday(y,m,d)

 {

 num=n;

 sex=s;

 strcpy(ID,id);

 } //有默认值的带参构造

 Person(Person& p) //拷贝构造

 {

 num=p.num;

 sex=p.sex;

 birthday=p.birthday;

 strcpy(ID,p.ID);

 }

 void input() //输入函数

 {

 cout<<"录入数据："<<endl;

 cout<<"编号：";

 cin>>num;

 cout<<"性别(m/f)：";

 cin>>sex;

 cout<<"生日：";

 birthday.set();

 cout<<"身份证号：";

 cin>>ID;

 ID[]='\0';

 cout<<endl;

 }

 void output() //输出函数

 {

 cout<<"编号："<<num<<endl;

 cout<<"性别："<<sex<<endl;

 cout<<"生日：";

 birthday.display();

 cout<<endl;

 cout<<"身份证号："<<ID<<endl;

 }

 ~Person() //析构函数

 {

 cout<<" "<<num<<"号人员已经录入"<<endl;

 }

 }; 

 int main()

 {

 Person p1;

 p1.input();

 p1.output();

 return ;

 }