Notes

#include <iostream>
#include <string>
#include <vector>
using namespace std;
//Class tourist
class tourist
{string name,country;//opening class
int birthday;
char sex;

public:
tourist(){name=country="xxx";birthday=0;sex='m';}//default constructor

tourist (string n,string c,int b,char s)//explicit constructor
{name=n,country=c,birthday=b,sex=s;}

tourist( const tourist& tr): //copy constructor
name( tr.name ),country( tr.country),sex( tr.sex),birthday(tr.birthday)//end of constructor
{}

~tourist()//destructor
{}

//Set functions Name
void setName(string n)
{
name = n;
}

//Set functions Country
void setCountry(string c)
{
country = c;
}

//Set functions Birthday
void setBirthday(int b)
{
birthday = b;
}

//Set functions Sex
void setSex(char s)
{
sex = s;
}

//Get functions Name
string getName()
{
return name;
}

//Get functions Country
string getCountry()
{
return country;
}

//Get functions Birthday
int getBirthday()
{
return birthday;
}

//Get functions Sex
char getSex()
{
return sex;
}

//Function Age
int age(){
return 2015-birthday;
}

bool operator<(tourist t){
return (this->age()<t.age()) ? true: false;
}// like if else

//Print function
void print(){
cout<<"Name:"<<" "<<name<<endl;
cout<<"Country:"<<" "<<country<<endl;
cout<<"Birthday:"<<" "<<birthday<<endl;
cout<<"Sex:"<<" "<<sex<<endl;
}
};//closing class


//Class hotel
class hotel:public tourist //inherit Tourist class
{string nameH;
int days, cost;
public:
hotel ():tourist() {nameH="xxx";days=cost=0;}; //default constructor

hotel (string h,int d,int co){nameH=h,days=d,cost=co;}//explicit constuctor

hotel (string h ,int d ,int co ,string n,string c,int b,char s):tourist ( n, c, b, s){
nameH=h,days=d,cost=co;
};//copy constuctor

int bill(){return days*cost;}

bool operator<(hotel b){
return (this->bill()<b.bill()) ? true: false;
}// like if else

void print(){
tourist::print();
cout<<"Name of the hotel:"<<" "<<nameH<<endl;
cout<<"Days of rest:"<<" "<<days<<endl;
cout<<"Cost per day:"<<" "<<cost<<endl;
cout<<" "<<endl;
}

};//closing class

int main()
{
tourist tm1,tm2,tm3;
hotel people[3];
vector<hotel> v;

hotel h1("Hilton",5,100,"Rashad","Azerbaijan",1993,'m');
hotel h2("Atlant",2,800,"Nijat","Azerbaijan",1994,'m');
hotel h3("Black Sea",3,500,"Adam","Poland",1989,'m');
v.push_back(h1);
h1.print();
h2.print();
h3.print();
hotel people[3]={h1,h2,h3};

system("pause");

}