求人事管理管理系统代码,该怎么解决

#include <iostream>
#include <string>
#include <iomanip>
#include <fstream>
using namespace std;

class Person
{
protected:
	string name,ID,sex,job;
	int age;
	double Sumsalary;
public:
	Person();
	string getID(){return ID;}
	string getName(){return name;}
	string getSex(){return sex;}
	string getJob(){ return job;}
	int getAge(){return age;}
	double getSumsalary(){ return Sumsalary;}
	void InputPerson();
	virtual double getpay()=0;
	friend ostream &operator <<(ostream &os,Person &In);
};
Person::Person()
{
	ID="000000";
	name="No Name";
	age=0;
	sex="No sex";
	Sumsalary=0;
	job="Wei zhi";
}
void Person::InputPerson()
{
	cout<<"Please input ID:"<<endl;
	cin>>ID;
	cout<<"Plaese input name:"<<endl;
	cin>>name;
	cout<<"Plaese input age:"<<endl;
	cin>>age;
	cout<<"Plaese input sex:"<<endl;
	cin>>sex;
}

ostream & operator<<(ostream &os,Person &In)
{
	os<<In.ID<<" "<<In.name<<" "<<In.job<<" "<<In.age<<" "<<In.sex<<" "<<In.getpay()<<endl;
	return os;
}

class Boss:public Person
{
	double salary;
	int year;
public:
	Boss();
	void Input();
	virtual double getpay();
};
Boss::Boss()
{
	job="Boss";
	salary=150000.0;
	year=0;
}
void Boss::Input()
{
	InputPerson();
	cout<<"Please input Salary:"<<endl;
	cin>>salary;
	cout<<"Please input Year:"<<endl;
	cin>>year;
}
double Boss::getpay()
{
	return Sumsalary=salary*year;
}

class Employee:public Person
{
	double salary,bonus;
	int month;
public:
	Employee();
	void Input();
	virtual double getpay();
};
Employee::Employee()
{
	job="Employee";
	salary=2000;
	bonus=500;
	month=0;
}
void Employee::Input()
{
	InputPerson();
	cout<<"Please input Salary:"<<endl;
	cin>>salary;
	cout<<"Please input Bonus:"<<endl;
	cin>>bonus;
	cout<<"Please input Month:"<<endl;
	cin>>month;
}
double Employee::getpay()
{
	return Sumsalary=(salary+bonus)*month ;
}

class Hourly_Worker :public Person
{
	double salary;
	int hour;
public:
	Hourly_Worker();
	void Input();
	virtual double getpay();
};
Hourly_Worker::Hourly_Worker()
{
	job="Hourly_Worker";
	salary=15;
	hour=0;
}
void Hourly_Worker::Input()
{
	InputPerson();
	cout<<"Please input Salary:"<<endl;
	cin>>salary;
	cout<<"Please input Hour:"<<endl;
	cin>>hour;