LeetCode 342 Power of Four

LeetCode 342 Power of Four Problem

Download Code
class Solution(object):
    def isPowerOfFour(self, num):
        :type num: int
        :rtype: bool
        # bin(4**0) '0b1'
        # bin(4**1) '0b100'
        # bin(4**2) '0b10000'
        # bin(4**3) '0b1000000'
        return num > 0 and num & (num-1) == 0 and len(bin(num)[3:]) % 2 == 0
Download Power of Four.py

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Leetcode 342 Power of Four problem solution in python3 with explanation. This is the best place to expand your knowledge and get prepared for your next interview.

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