#include<bits/stdc++.h>

int main(){
    using namespace std;
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    unsigned long N;
    cin >> N;
    vector<long double> v(N + 1);
    for(unsigned long i{1}, t; i <= N; ++i){
        cin >> t;
        v[i] = sqrtl(t);
    }
    for(unsigned long i{1}; i <= N; i <<= 1UL)for(unsigned long j{2 * i}; j <= N; j += 2 * i)v[j] += v[j - i];
    cout << setprecision(18);
    for(unsigned long i{1}; i <= N; ++i)cout << (v[i] += v[i & (i - 1)]) << "\n";
    cout << flush;
    return 0;
}