LeetCode 191. Number of 1 Bits

파이썬 알고리즘 인터뷰 74번(리트코드 191번) Number of 1 Bits
https://leetcode.com/problems/number-of-1-bits/

나의 풀이

class Solution:
    def hammingWeight(self, n: int) -> int:
        result = 0
        while n > 0:
            if n & 1:
                result += 1
            n >>= 1
        return result

다른 풀이

class Solution:
    def hammingWeight(self, n: int) -> int:
        return bin(n).count('1')