Day 9 of 31-Day May LeetCode Challenge

Aanchal Patial
1 min readMay 9, 2020

--

Given a positive integer num, write a function which returns True if num is a perfect square else False.

Note: Do not use any built-in library function such as sqrt.

--

--

Aanchal Patial

We never really grow up, we only learn how to act in public