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Hotel Prices in C++ - Hacker Rank Solutions

#include <iostream>

#include <vector>

/*****Aakash Vikrant

KIET GROUP OF INSTITUTIONS*****/

using namespace std;


class HotelRoom { 

    public: HotelRoom(int bedrooms, int bathrooms) : bedrooms_(bedrooms), bathrooms_(bathrooms) {}


virtual int get_price() { 

    return 50*bedrooms_ + 100*bathrooms_; 

} 

private: int bedrooms_; int bathrooms_; 

};


class HotelApartment : public HotelRoom { 

    public: HotelApartment(int bedrooms, int bathrooms) : HotelRoom(bedrooms, bathrooms) {}

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;

}

Welcome to Java! - Hacker Rank Solution

public class Solution
{
/***Aakash Vikrant ***
*Kiet group of institutions*/
public static void main(String []argv) {
System.out.println("Hello World."); System.out.println("Hello Java.");
//Write your solution here.
}
}

Time Conversion in Algorithm - Hacker Rank Solutions

#include<stdio.h> 

#include<conio.h> 

#include<dos.h> 

#include<math.h> 

#include<string.h> 

/*****Aakash Vikrant

*Kiet Group of Institutions**/ 

int main() 

{ 

int hh, mm, ss ; 

char t12[3]; 

scanf("%d:%d:%d%s", &hh, &mm, &ss, t12); 

if (strcmp(t12,"PM")==0 && hh!=12) 

{

   hh += 12 ; 

}

if (strcmp(t12,"AM")==0 && hh==12) 

{

   hh = 0 ;

} 

printf("%02d:%02d:%02d", hh, mm, ss); 

return 0; 

}



By Aakash Vikrant  May 26, 2020

Birthday Cake Candles in Algorithm - Hacker Rank Solutions

#include <iostream>

/*****Aakash Vikrant

**Kiet Group of Institutions**/

int main()

{

    int c, n, max = 0;

    std::cin.ignore();

    while(std::cin >> n)

  max < n ? c = !!(max = n) : c += max == n;

    std::cout << c;

    return 0;

}

Introduction to algorithms

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