leetcode-python-汉明距离

Posted 2021-06-11 泊鸽

1）取异或，然后计算1的个数

class Solution:
    def hammingDistance(self, x: int, y: int) -> int:
        t = x^y
        count = 0
        while t:
            count += 1
            t = t& t-1
        return count