#326

Power of Three

pupil · 440 · lc easy +26 · verified · 50.8% accepted · 3,696 likes · top 39%

Description

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

An integer n is a power of three if there exists an integer x such that n == 3^x.

Example 1:

Input: n = 27

Output: true

Explanation: 27 = 33

Example 2:

Input: n = 0

Output: false

Explanation: There is no x where 3x = 0.

Example 3:

Input: n = -1

Output: false

Explanation: There is no x where 3x = (-1).

Code

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

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