[python][hackerrank] Sherlock and Squares

https://www.hackerrank.com/challenges/sherlock-and-squares/problem

import math

q = int(input().strip())
for _ in range(q):
    a, b = map(int, input().strip().split(' '))
    _start = math.ceil((math.sqrt(a)))
    ret = 0
    while _start**2 <= b:
        ret += 1
        _start += 1
    print(ret)