Hospital Management System in c++

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#include<iostream>
#include<string>
using namespace std;
class Quarentine_Center{
protected:
	int center_id, quantity_of_bed;int no_of_patients;
	string location, contact_no;
public:
	Quarentine_Center(int a,int b,int e,string c,string d)
	{
		center_id = a; 
		if (b <= 20)
		{ quantity_of_bed = b; }
		else 
			cout << "Beds are not enough" << endl;
		if (e <= 20)
			no_of_patients = e;
		else
			cout << "Beds are not enough" << endl;
		location = c; contact_no = d;
	}
	void centerdetail()
	{
		cout << "Quantity of beds are:" << quantity_of_bed << endl;
		cout << "Number of patients are:" << no_of_patients << endl;
		cout << "Location is:" << location << endl;
		cout << "Contact number is:" <<contact_no << endl;
	}

};
class Person{
protected:
	int person_id[20], age[20];
	string first_name[20], last_name[20], gender[20], blood_group[20];
public:
	int size; int get;
	void entry()
	{
		cout << "Enter the number of patients:";
		if (size <= 20)
		{
			cin >> size;
		}

		else
		{
			cout << "20 beds available only" << endl;
			entry();
		}
		for (int i = 0; i < size; i++)
		{
			cout << endl << endl;
			cout << "Enter the person id:";
			cin >> person_id[i];
			for (int j = 0; j < size; j++)
			{
				if (person_id[0] == person_id[j+1])
				{
					cout << "Id is same for both" << endl;
					cout << "Therefore this id is set to 0" << endl;
					person_id[i] = 0;
				}
			}
			cout << "Enter the age:";
			cin >> age[i];
			cout << "Enter the first name:";
			cin.ignore();
			getline(cin, first_name[i]);
			cout << "Enter the last name:";
			getline(cin, last_name[i]);
			cout << "Enter the gender:";
			getline(cin, gender[i]);
			cout << "Enter the blood group:";
			getline(cin, blood_group[i]);
		}
	}
	void show(int a)
	{
		for (int i = 0; i < size; i++)
		{
			if (person_id[i] == a)
			{
				cout << "Your Name is:" << first_name[i] << " " << last_name[i] << endl;
				cout << "Your age is:" << age[i] << endl;
				cout << "Your blood group is:" << blood_group[i] << endl;
				cout << "Your gender is:" << gender[i] << endl;
			}
			else
				cout << "This id is not found" << endl;
		}
	}
	int getid(int i)
	{
		return person_id[i];
	}

};
class Patient:public Person{
protected:
	int bed_no[20]; bool test_result[20];
public:
	int temp;
	Patient(){};
	void enterpat()
	{
		int aa;
		system("cls");
		cout << "How much patint do you want to enter to assign beds:";
		cin >> aa;
		for (int i = 0; i<aa; i++)
		{
			cout << "Enter the bed numbers for this id patient " << person_id[i] << " :";

			cin >> bed_no[i];
			for (int j = 0; j < aa; j++)
			{
				if (bed_no[0] == bed_no[j + 1])
				{
					cout << "Two beds are same" << endl;
					cout << "Therefor bed is set to 0" << endl;
					bed_no[i] = 0;
				}
			}
		}
		pro();
	}
	void pro()
	{
		int a;
		cout << "Enter the id to enter the result:";
		cin >> a;
		for (int i = 0; i < size; i++)
		{
			if (person_id[i] == a)
			{
				int b;
				cout << "Your patient name is:" << first_name[i] << " " << last_name[i] << endl;
				cout << endl << endl;
				cout << "Press 1 to confirm that this is your patient(if not than press other number):";
				cin >> b;
				try{
					if (b == 1)
					{
						cout << "Enter the result of this patient(press 1 for positive and 0 for negative):";
						cin >> test_result[i];
					}
					else
					{
						throw test_result[i];
					}
				}
				catch (...)
				{
					cout << "Ok!!    This is not your patient" << endl;
				}
				int cc;
				cout << "If you want to enter result again than put 1:";
				cin >> cc;
				if (cc == 1)
				{
					pro();
				}
				else
				{
					cout << "ok!!!" << endl;
				}
			}
		}
	}
	void showresult(int a)
	{
		for (int i = 0; i < size; i++)
		{
			if (a == person_id[i])
			{
				cout << "Your result is:" << test_result[i] << endl;
			}
		}
	}
	int getbed(int i)
	{
		return bed_no[i];
	}
	bool getresult(int i)
	{
		return test_result[i];
	}
};
class Corona_Test{
protected:
	bool result[20];
	string date[20], time[20];
public:
	static int count;
	void enterdata(Patient &p1)
	{
		for (int i = 0; i < p1.size; i++)
		{
			cout << endl << endl;
			cout << "Enter the date and time for this id " << p1.getid(i) <<":"<< endl;
			cout << "Enter the date:";
			cin.ignore();
			getline(cin, date[i]);
			cout << "Enter the time:";
			getline(cin, time[i]);
			result[i] = p1.getresult(i);
		}
	}
	void show_patiant(Patient &p1)
	{
		for (int i = 0; i < p1.size; i++)
		{
			cout << "Id is:" << p1.getid(i) << endl;
			cout << "Result is:" << result[i] << endl;
			cout << "Date and time of all tests are:" << endl;
			cout << "Date is:" << date[i] << endl;
			cout << "Time is:" << time[i] << endl;
			cout << endl << endl << endl;
		}
	}
	void counterwork(Patient &p1)
	{
		for (int i = 0; i < p1.size; i++)
		{
			if (p1.getresult(i) == 1)
			{
				count++;
			}
		}
	}
	void check_health_status(Patient &a)
	{
		int c;
		cout << "Enter the id number to check the heath status:";
		cin >> c;
		a.show(c);
		a.showresult(c);
	}
	void showcount()
	{
		cout << "Total Patients are:" << count << endl;
		cin.get();
		getchar();
	}
	void death()
	{
		cout << "Patient is dead" << endl;
		count--;
	}
};
class Doctor{
protected:
	string name[20], spaciality[20]; int age[20];
public:
	Doctor(Patient &p1)
	{
		for (int i = 0; i < p1.size; i++)
		{
			system("cls");
			cout << "Enter the detail of doctor for patient:" << p1.getid(i) << endl;
			cout << "Enter the age of this doctor:";
			cin >> age[i];
			cout << "Enter the name of doctor:";
			cin.ignore();
			getline(cin, name[i]);
			cout << "Enter the spaciality of this doctor:";
			getline(cin, spaciality[i]);
		}
	}
	void doctor_detail(Patient &p1)
	{
		int a;
		cout << "Enter the id of patient to check the doctor:";
		cin >> a;
		for (int i = 0; i < p1.size; i++)
		{
			if (a == p1.getid(i))
			{
				cout << "Doctor for patient:" << p1.getid(i) << " is:" << name[i] << endl;
				cout << "Spaciality of this doctor is:" << spaciality[i] << endl;
				cout << "Age of this doctor is:" << age[i] << endl;
			}
		}
	}

};
int Corona_Test::count;
int main()
{
	Quarentine_Center q1(20, 18, 17, "Gulberge Lahore", "987654321");
	Person p1; Patient pp; Corona_Test c1;
	pp.entry();
	pp.enterpat();
	c1.enterdata(pp);
	c1.counterwork(pp);
	Doctor d1(pp);
	system("cls");
	int aa;
	for (int i = 0; i < 20; i++)
	{
		system("cls");
		cout << "Enter 1 to show Manu" << endl << endl;
		cin >> aa;
		if (aa == 1)
		{
			cout << "*******************************************" << endl;
			int a;
			cout << "Follow the instructions to check the details" << endl;
			cout << "Press 1 to show the Quarentine center details" << endl;
			cout << "Press 2 for all patients detail" << endl;
			cout << "Press 3 to check specific patient health status" << endl;
			cout << "Press 4 to check the doctor detail" << endl;
			cout << "Press 5 to show total patients" << endl;
			cout << "Press 6 if patient is dead" << endl;
			cin >> a;
			switch (a)
			{
			case 1:
			{
					  q1.centerdetail();
					  break;
			}
			case 2:
			{
					  c1.show_patiant(pp);
					  break;
			}
			case 3:
			{
					  c1.check_health_status(pp);
					  break;
			}
			case 4:
			{
					  d1.doctor_detail(pp);
					  break;
			}
			case 5:
			{
					  c1.showcount();
					  break;
			}
			case 6:
			{
					  c1.death();
					  break;
			}
			default:
			{
					   cout << "Manu not found" << endl;
			}
			}
		}
		else
		{
			cout << "THank you for using" << endl;
		}
	}
	getchar();
	getchar();
	return 0;
}

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