n = int(input())

cnt = 0
for _ in range(n):
    a = int(input())
    r = a
    l = 0
    m = (r+l)/2
    while abs(a - m**2) > 10**-15:
        m  = (r+l)/2
        if m**2 > a:
            r = m
        else:
            l = m

    cnt += m

    print(cnt)