Untitled

#include<iostream>
#include<string>
#include<vector>
using namespace std;
class Nguoi{
	protected :
		string Hoten;
		int NamSinh;
		public :
			Nguoi (){}
			Nguoi(string Hoten,int NamSinh){
				this->Hoten=Hoten;
				this->NamSinh=NamSinh;
			}
			~Nguoi(){}
		virtual void input(){
			cin.ignore ();
			cout<<"nhap Hoten :"; getline(cin,Hoten);
			cout<<"nhap NamSinh : "; cin>>NamSinh;
		}
		virtual void output (){
			cout<<"Hoten : "<<this->Hoten<<endl;
			cout<<"NamSinh : "<<this->NamSinh<<endl;
		}
};
class BN_O: public Nguoi {
	private :
		string Tenbenh ;
		int Tiendieutri ;
		public:
			BN_O(){}
			BN_O(string Hoten, int NamSinh , string TenBenh ,int Tiendieutri): Nguoi (Hoten,NamSinh){
				this ->Tenbenh=Tenbenh;
				this->Tiendieutri=Tiendieutri;
			}
			~BN_O (){}
			void input(){
				Nguoi::input();
				cin.ignore() ;
				cout<<"nhap Tenbenh :" ;getline(cin,Tenbenh);
				cout<<" nhap Tiendieutri :"; cin>>Tiendieutri;
			}
			void output(){
				Nguoi::output();
				cout<<"nhap Tenbenh :" <<this->Tenbenh<<endl;
				cout<<"nhap Tiendieutri : "<<this ->Tiendieutri<<endl;
			}				
			
};
class BN_I: public Nguoi{
	private :
		string Tenbenh ;
		int Tienthuoc ;
		int Tieno ;
		public : 
		BN_I(){}
		BN_I(string Hoten, int NamSinh , string TenBenh ,int Tienthuoc, int Tieno): Nguoi (Hoten,NamSinh){
				this ->Tenbenh=Tenbenh;
				this->Tienthuoc=Tienthuoc;
				this->Tieno=Tieno;
			}
			~BN_I (){}
			void input(){
				Nguoi::input();
				cin.ignore() ;
				cout<<"nhap Tenbenh :" ;getline(cin,Tenbenh);
				cout<<" nhap Tienthuoc :"; cin>>Tienthuoc;
				cout<<"nhap Tieno : "; cin>>Tieno;
			}
			void output(){
				Nguoi::output();
				cout<<"nhap Tenbenh :" <<this->Tenbenh<<endl;
				cout<<"nhap Tienthuoc : "<<this ->Tienthuoc<<endl;
				cout<<"nhap Tieno : "<<this->Tieno<<endl;
			}				
			
};

class menu{
                    private:
                        vector<Nguoi*> ds;
                    public:
                        menu(){}
                        ~menu(){
                            for(int i = 0;i<ds.size();i++){
                                delete ds[i];
                            }
                            ds.clear();
                        }
                         
                    
                
                        void NhapDS(){
                            while(true){
                                cout << "===Lua chon Xe===" << endl;
                                cout << "1. Benh nhan ngoai tru " << endl;
                                cout << "2. Benh nham noi tru " << endl;
                                cout<<"3.Xuat danh sach "<<endl;
                                cout << "0. Thoat" << endl;
                                int loai;
                                cout << "Nhap: ";
                                cin >>loai;
                                if(loai == 1){
                                    Nguoi *ngoaitru = new BN_O();
                                    ngoaitru->input();
                                    ds.push_back(ngoaitru);
                                    
                                }else if(loai == 2){
                                    Nguoi *noitru = new BN_I();
                                    noitru->input();
                                    ds.push_back(noitru);
                                
                                }else if(loai == 0){
                                    break;
                                }else{
                                    cout << "Lua chon khong dung!" << endl;
                                }
                            }
                        }
                        void XuatDS(){
                            
                            for(int i = 0; i < ds.size(); i++){
                                cout << "==Thong tin benh nhan thu " << (i+1) << ": " << endl;
                                ds[i]->output();
                                int tongtien = 0;
                
                            cout << "Tong tien thanh toan: " << tongtien << endl;
                            }
                            
                        }
                 
                
                        void Menu(){
                            while(true){
                                cout << "===MENU===" << endl;
                                cout << "1. Nhap DS" << endl;
                                cout << "2. Xuat DS" << endl;
                                cout << "0. Thoat" << endl;
                                int luachon;
                                cout << "Nhap lua chon: ";
                                cin >> luachon;
                                if(luachon == 1){
                                    NhapDS();
                                }else if(luachon == 2){
                                    XuatDS();
                                
                                }else{
                                    cout << "Lua chon khong dung!" << endl;
                                }
                            }
                        }
                    
                };




int main (){
   menu *ql=new menu();
                        ql->Menu();
                        delete ql;
                        return 0;
}