Viral Advertising - HackerRank || HackerRank Viral Advertising Solution

#include <stdio.h>

int main()
{
    int d, shared = 5, liked = 2, cumulative = 2;
    scanf("%d", &d);
    for (int i = 2; i <= d; i++)
    {
        shared = (shared / 2) * 3;
        liked = shared / 2;
        cumulative = cumulative + liked;
    }
    printf("%d\n", cumulative);
    return 0;
}

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int d, shared = 5, liked = 2, cumulative = 2;
    cin >> d;
    for (int i = 2; i <= d; i++)
    {
        shared = (shared / 2) * 3;
        liked = shared / 2;
        cumulative = cumulative + liked;
    }
    cout << cumulative << endl;
    return 0;
}

import java.util.Scanner;

public class Viral_Advertising {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int d = input.nextInt();
        int shared = 5, liked = 2, cumulative = 2;
        for (int i = 2; i <= d; i++) {
            shared = (shared / 2) * 3;
            liked = shared / 2;
            cumulative = cumulative + liked;
        }
        System.out.println(cumulative);
    }
}