hotel prices hackarrank

//Hotel Prices in C++ - Hacker Rank Solution
#include <iostream>
#include <vector>

using namespace std;

class HotelRoom 
{
    public:
        HotelRoom(int bedrooms, int bathrooms) 
        : bedrooms_(bedrooms), bathrooms_(bathrooms) {}
        
        int get_price() 
        {
            return 50*bedrooms_ + 100*bathrooms_;
        }
    private:
        int bedrooms_;
        int bathrooms_;
};

class HotelApartment : public HotelRoom 
{
    /* Hotel Prices in C++ - Hacker Rank Solution START */
    /* only change this line 
        HotelApartment(int bedrooms, int bathrooms) 
        : HotelRoom(bedrooms, bathrooms)
      TO
        HotelApartment(int bedrooms, int bathrooms) 
        : HotelRoom(bedrooms + 2, bathrooms)
    */
    public:
        HotelApartment(int bedrooms, int bathrooms) 
        : HotelRoom(bedrooms + 2, bathrooms) {}
    /* END Hotel Prices in C++ - Hacker Rank Solution END */
        int get_price() 
        {
            return HotelRoom::get_price() + 100;
        }
};

int main() 
{
    int n;
    cin >> n;
    vector<HotelRoom*> rooms;
    for (int i = 0; i < n; ++i) 
    {
        string room_type;
        int bedrooms;
        int bathrooms;
        cin >> room_type >> bedrooms >> bathrooms;
        if (room_type == "standard") 
        {
            rooms.push_back(new HotelRoom(bedrooms, bathrooms));
        } 
        else 
        {
            rooms.push_back(new HotelApartment(bedrooms, bathrooms));
        }
    }

    int total_profit = 0;
    for (auto room : rooms) 
    {
        total_profit += room->get_price();
    }
    cout << total_profit << endl;

    for (auto room : rooms) 
    {
        delete room;
    }
    rooms.clear();

    return 0;
}