C++ Class (composition and inheritance)

In file included from class_GoldCustomer.hpp:3:0, from class_MovieTicket.hpp:5:
class_Customer.hpp:11:7: error: redefinition of ‘class Customer’

In file included from class_MovieTicket.hpp:4:0: class_Customer.hpp:11:7: error: previous definition of ‘class Customer’

In file included from class_PlatinumCustomer.hpp:3:0, from class_MovieTicket.hpp:6:
class_Customer.hpp:11:7: error: redefinition of ‘class Customer’

In file included from class_MovieTicket.hpp:4:0: class_Customer.hpp:11:7: error: previous definition of ‘class Customer’

class_MovieTicket.hpp:29:22: error: expected ‘]’ before ‘;’ token
class_MovieTicket.hpp:29:25: error: expected unqualified-id before ‘]’ token
class_MovieTicket.hpp:32:26: error: expected ‘]’ before ‘;’ token
class_MovieTicket.hpp:32:29: error: expected unqualified-id before ‘]’ token
class_MovieTicket.hpp: In member function ‘void MovieTicket::newMovie(int, std::string, std::string, int, int, float)’:
class_MovieTicket.hpp:53:3: error: ‘ListGold’ was not declared in this scope
class_MovieTicket.hpp:53:12: error: expected ‘]’ before ‘;’ token
class_MovieTicket.hpp:53:15: error: expected primary-expression before ‘]’ token
class_MovieTicket.hpp:53:15: error: expected ‘;’ before ‘]’ token
class_MovieTicket.hpp:54:3: error: ‘ListPlat’ was not declared in this scope
class_MovieTicket.hpp:54:12: error: expected ‘]’ before ‘;’ token
class_MovieTicket.hpp:54:15: error: expected primary-expression before ‘]’ token
class_MovieTicket.hpp:54:15: error: expected ‘;’ before ‘]’ token
class_MovieTicket.hpp: In member function ‘void MovieTicket::Purchase()’:
class_MovieTicket.hpp:103:4: error: ‘ListGold’ was not declared in this scope
class_MovieTicket.hpp:108:4: error: ‘ListPlat’ was not declared in this scope
Compilation failed.

#include <iostream>
#include <string>

//header guard
#ifndef CUSTOMER_H
#define CUSTOMER_H

using namespace std; 

class Customer {

protected:
	//data members
	int id;
	string type;
	int sold;

//public:
	//constructor and destructor
	Customer(){
		type = "non member"; //default this customer class as 'non member'
		sold = 0;
	}
	~Customer(){}
	
	//functions member
	void setID(int inputID){ //set ID of the customer
		id = inputID;
	}
	
	int getSold(){ //get no. of sold
		return sold;
	}
	
};
#endif

#include <iostream>
#include <string>
#include "class_Customer.hpp"

using namespace std; 

//header guard
#ifndef GOLDCUSTOMER_H
#define GOLDCUSTOMER_H


class GoldMember : protected Customer{

private:
	//data members
	int gold_id;
	int annual_fee;
	float discount;
	
public:
	//constructor and destructor
	GoldMember(){
		type = "gold"; 
		sold = 0;
		annual_fee = 10;
		discount = 0.1;
	}
	~GoldMember(){}
	
	//functions member
	int getAnnualFee(){ //get annual fee
		return annual_fee;
	}
	
	float getDiscount(){ //get discount
		return discount;
	}

};
#endif

#include <iostream>
#include <string>
#include "class_Customer.hpp"

#define POINT 5; //how many ticket purchased needed to eligible for one free ticket

using namespace std; 

//header guard
#ifndef PLATINUMCUSTOMER_H
#define PLATINUMCUSTOMER_H

class PlatinumMember : protected Customer{

private:
	//data members
	int plat_id;
	int annual_fee;
	float discount;
	int redeem_point = 0; //count the tickets purchased as 'points'
	
public:
	//constructor and destructor
	PlatinumMember(){
		type = "gold"; 
		sold = 0;
		annual_fee = 50;
		discount = 0.2;
		redeem_point = 0;
	}
	~PlatinumMember(){}
	
	//functions member
	int getAnnualFee(){ //get annual fee
		return annual_fee;
	}
	
	float getDiscount(){ //get discount
		return discount;
	}
	
	int getFRedeemPoint(){ //get redeem point
		return redeem_point;
	}
	
	int getFreeTicket(){ //get no. of free tickets based on redeem point
		int result;
		result = redeem_point/POINT;
		return result;
	}

};
#endif

#include <iostream>
#include <string>

#include "class_Customer.hpp"
#include "class_GoldCustomer.hpp"
#include "class_PlatinumCustomer.hpp"

//header guard
#ifndef MOVIETICKET_H
#define MOVIETICKET_H


using namespace std; 

#define MAX 20; //no of tickets per movie hall available

class MovieTicket {
	
private:
	int movie_id;
	string movie_title;
	string date;
	int hall_no;
	int seat_no;
	float ori_price;
	
	int NonMemberCount;

	GoldMember ListGold[MAX];
	int GoldMemberCount;
	
	PlatinumMember ListPlat[MAX];
	int PlatMemberCount;
	
	static int AvailTicket;
	static int SoldTicket;

public:
	//constructor and destructor
	MovieTicket(){};
	~MovieTicket(){};
	
	//functions member
	void newMovie(int inputMovieID, string inputTitle, string inputDate, int inputHall, int inputSeat, float inputPrice){
		
		movie_id = inputMovieID;
		movie_title = inputTitle;
		date = inputDate;
		hall_no = inputHall;
		seat_no = inputSeat;
		ori_price = inputPrice;
		
		ListGold[MAX] = {0};
		ListPlat[MAX] = {0};
	
		AvailTicket = MAX;
		SoldTicket = 0;
	}
	
	int getAvailTicket(){
		return AvailTicket;
	}
	
	int getSoldTicket(){
		return SoldTicket;
	}
	
	void Purchase(){
		int no_of_ticket;
		int membership;
		int Inputgold_id;
		int Inputplat_id;
		
		cout <<"Enter Movie ID?" << endl;
		cin >> movie_id;
		cout << endl << "How many ticket?" << endl;
		cin >> no_of_ticket;
		cout << endl << "Enter membership? 1. Non 2. Gold 3.Plat" << endl;
		cin >> membership;
		
		this->SoldTicket += no_of_ticket;
		this->AvailTicket = MAX - this->SoldTicket;
		
		
		if (membership == 2){
			cout << "Enter your Gold Membership ID?" << endl;
			cin >> Inputgold_id;
			GoldMember Inputgold_id; //create a Gold customer class with 'ID' as the name
		} 
		else if (membership == 3){
			cout << "Enter your Platinum Membership ID?" << endl;
			cin >> Inputplat_id;
			PlatinumMember Inputplat_id; //create a Plat customer class with 'ID' as the name
		}
		
		switch (membership){
			case 1:
			NonMemberCount++;
			break;
			
			case 2:
			GoldMemberCount++;
			ListGold[GoldMemberCount] = Inputgold_id;
			break;
			
			case 3:
			PlatMemberCount++;
			ListPlat[PlatMemberCount] = Inputplat_id;
			break;
		}
	}
};
#endif

class_Customer.hpp:15:2: error: ‘string’ does not name a type
class_Customer.hpp: In constructor ‘Customer::Customer()’:
class_Customer.hpp:21:3: error: ‘type’ was not declared in this scope
Compilation failed.