#231

Power of Two

pupil · 440 · lc easy +26 · verified · 49.9% accepted · 7,999 likes · top 37%

Description

Given an integer n, return true if it is a power of two, or false otherwise.

n is a power of two if there exists an integer x such that n == 2^x.

Example 1:

Input: n = 1

Output: true

Explanation: 20 = 1

Example 2:

Input: n = 16

Output: true

Explanation: 24 = 16

Example 3:

Input: n = 3

Output: false

Code

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class Solution:
    def isPowerOfTwo(self, n: int) -> bool:

class Solution:
    def isPowerOfTwo(self, n: int) -> bool: