#!/usr/bin/env python3
# †
import sys
from math import sqrt

def pritty(x):
    if x == 0:
        return 0
    s = str(x)
    return (s[:-15] + '.' + s[-15:17]).rstrip('.')

read = sys.stdin.buffer.read

###
if __name__ == '__main__':
    n, *xs = map(int, read().split())
    acc = 0
    for x in xs:
        acc += int(sqrt(x * 10**30))
        print(pritty(acc))