import decimal
import sys
input = sys.stdin.readline

def one_str():
    return input()

def many_int():
    return list(map(int, input().split()))

from decimal import *
getcontext().prec = 17

input_count = 0
N = many_int()[0]
now = 0
dicts = {}
A = []
for i in range(N):
    num = int(input())
    A.append(num)
    if num not in dicts:
        dicts[num] = decimal.Decimal(num**(1/2))
now = 0
for a in A:
    now += dicts[a]
    print(now)