#include<bits/stdc++.h>

int main(){
    using namespace std;
    unsigned long N;
    cin >> N;
    vector<long double> v(N + 1);
    transform(istream_iterator<unsigned long>(cin), istream_iterator<unsigned long>(), begin(v) + 1, [](const unsigned long& x){return sqrtl(x);});
    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];
    for(unsigned long i{1}; i <= N; ++i)v[i] += v[i & (i - 1)];
    cout << setprecision(16) << fixed;
    copy(begin(v) + 1, end(v), ostream_iterator<long double>(cout, "\n"));
    return 0;
}