def sqrt(n):
    if n == 0: return 0
    x = 1 << (n.bit_length() + 1) // 2
    y = (x + n // x) // 2
    while y < x:
        x = y
        y = (x + n // x) // 2
    return x

T = int(input())
for _ in range(T):
    print(sqrt(int(input())))