342. Power of Four
Given an integer n, return true if it is a power of four. Otherwise, return false.
An integer n is a power of four, if there exists an integer x such that n == 4x.
Example 1:
Input: n = 16 Output: true
Example 2:
Input: n = 5 Output: false
Example 3:
Input: n = 1 Output: true
Constraints:
-231 <= n <= 231 - 1
GoogleTopics
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1class Solution:
2 def isPowerOfFour(self, n: int) -> bool:
3
Starter codePython 3Spaces: 4
Loading editor…
1class Solution:
2 def isPowerOfFour(self, n: int) -> bool:
3
Starter codePython 3Spaces: 4
Examples
Input
16
Input
5
Input
1
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