import sys
import numpy as np

read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

nums = np.array(read().split(), np.float64)[1:]
np.sqrt(nums, out=nums)
nums *= 1048576
integer = nums.astype(np.int64).astype(np.float64)
frac = nums - integer
np.cumsum(integer, out=integer)
np.cumsum(frac, out=frac)
x = integer + frac
x /= 1048576
print('\n'.join(map(str, x.tolist())))