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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

List of all Power of Four problems

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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