Here is problem solution in Python, Java, C++, C and Javascript - https://programmingoneonone.com/hackerrank-viral-advertising-problem-solution.html

Here is my c++ solution, you can watch the explanation here : https://youtu.be/SbHCdf_c7ss

int viralAdvertising(int n) {
    int ans = 0, shared = 5;
    for(int i = 1; i <= n; i++){
        ans += shared / 2;
        shared = (shared/2)*3;
    }
    return ans;
}  

is there a formula for solving this without the need for best hair transplant turkey?

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