Utopian Tree.cpp

#include <bits/stdc++.h>

using namespace std;

// Complete the utopianTree function below.
int utopianTree(int n) {

int ans = 1;
for(int i=1;i<=n;i++){

if(i%2!=0)
ans=ans*2;
else
ans=ans+1;



}
return ans;
}

int main()
{
    ofstream fout(getenv("OUTPUT_PATH"));

    int t;
    cin >> t;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');

    for (int t_itr = 0; t_itr < t; t_itr++) {
        int n;
        cin >> n;
        cin.ignore(numeric_limits<streamsize>::max(), '\n');

        int result = utopianTree(n);

        fout << result << "\n";
    }

    fout.close();

    return 0;
}