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)
high, mid = np.divmod(nums, 1)
mid, low = np.divmod(mid, 0.5**20)
np.cumsum(high, out=high)
np.cumsum(mid, out=mid)
np.cumsum(low, out=low)
x = high + mid * (0.5**20) + low
print('\n'.join(map(str, x.tolist())))