#include
#include
#include
#include
#define?cutline?cout<<“*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*?*“<using?namespace?std;
const?int?maxsize?=?100;
class?Time{?
	public:?
	?????int?year;?
	?????int?month;?
	?????int?day;
};?
class?base{
	//此類為基類，是所有員工共有的屬性。?
	public:
		char?name[20];
		Time?birth_day;
		char?sex[10];
		int?age;
		int?id;
		int?paid;
		Time?work_time;
		char?xibie[20];
		friend?istream&?operator>>（istream&?isbase&?b）;?
?????	friend?ostream&?operator<<（ostream&?obase&?b）;?
????	friend?int?operator-（Time?&?t1Time?&?t2）;
};
class?employee:virtual??public?base?{?
//雇員類?
	public:?
???????employee（）;?
???????????virtual?void?add（base?&b）;?//添加一個成員?
???????????virtual?void?display（）;?//輸出數組的內容
???????????virtual?void?cal（）;//計算平均年齡?
???????????virtual?void?del（int?id）;//刪除一個成員
		???virtual?void?Find（char?name[]）;//按姓名檢索?
		???virtual?void?Find（int?id）;//按工號檢索?
	protected:?
???????base?data[maxsize];?
???????Time?now;?
???????int?length;?
};?
employee?Allworker;
void?employee::add（base?&b）{
	data[length++]?=?b;
}
void?employee::display（）{
	if（length?==?0）{
		cout?<		cout?<		return;?
	}
	cout<<“*?*?*?*?*?*?*?*?*全體職工信息*?*?*?*?*?*?*?*?*?*“<	for（int?i?=?0;i?		cout?<}
void?employee::cal（）{
	if（length?==?0）{
		cout?<		cout?<		return;?
	}
	int?sum?=?0;
	for（int?i?=?0;i?		sum+=data[i].age;
	cout?<	cout?<}
void?employee::del（int?id）{
	bool?flag?=?false;
	int?i;
	for（i?=?0;i?		if（data[i].id?==?id）{
			flag?=?true;
			break;
		}
	for（;i?	length--;
	if（flag）	cout?<	else?cout<<“未發現id為“<}
void?employee::Find（char?name[]）{
	int?i;
	for（?i?=?0;i?		if（strcmp（data[i].namename）?==?0）{
			cout?<			break;
		}
	if（i?==?length）	cout<<“未找到姓名為“?<}?
void?employee::Find（int?id）{
	int?i;
	for（?i?=0;i?		if（data[i].id?==?id）{
			cout?<			break;
		}
	if（i?==?length）	cout<<“未找到工號為“?<}
employee::employee（）{?
????length=0;?
????now.year=2018;?
????now.month=6;?
????now.day=5;?
}
class?teacher:virtual?employee{
	public:
		void?add（）;
		void?display（）;
		void?cal（）;
		void?del（int?id）;
};?
void?teacher::add（）{
	cin?>>?data[length];
	Allworker.add（data[length]）;
	length++;
}
void?teacher::display（）{
	if（length?==?0）{
		cout?<		cout?<		return;?
	}
	cout<<“*?*?*?*?*?*?*?*?*教師信息*?*?*?*?*?*?*?*?*?*“<	for（int?i?=?0;i?		cout?<}
void?teacher::cal（）{
	if（length?==?0）{
		cout?<		cout?<		return;?
	}
	int?sum?=?0;
	for（int?i?=?0;i?		sum+=data[i].age;
	co