#include <bits/stdc++.h>
using namespace std;

int ctoi(char c){
    switch(c){
        case '1': return 1;
        case '2': return 2;
        case '3': return 3;
        case '4': return 4;
        case '5': return 5;
        case '6': return 6;
        case '7': return 7;
        case '8': return 8;
        case '9': return 9;
        default: return 0;
    }
}

int main() {
    long long n, tmp;
    cin >> n;
    vector<double> ans(n);
    cin >> tmp;
    ans[0] = sqrt(tmp);
    for(int i = 1; i < n; i++){
        cin >> tmp;
        ans[i] = ans[i - 1] + sqrt(tmp);
    }

    for(double v: ans){
        printf("%.17f\n", v);
    }
}