This is a solution for the 'Viral Advertising' Challenge by Hackerrank

Viral Advertising challenge by Hackerrank

function viralAdvertising(n) {
    // Write your code here
    let likesCounter = 0;
    let start = 5;
    for(let i = 0; i<n; i++){
        if(start%2!=0){
            console.log(start)
            likesCounter += ((start/2)- 0.5)
            
            start = ((start/2)-.5) * 3;
            console.log('liked:' + likesCounter)
            
        }
        else{
            console.log(start)
            likesCounter += start/2;
            
            start = (start/2) * 3;
            
            console.log('liked:' + likesCounter)
            
        }
    }
    return likesCounter
}