leetcode 461. Hamming Distance

Posted 2021-01-06 去做点事情

 

 

class Solution {
public:
    int hammingDistance(int x, int y) {
        int res = x ^ y;
        int count = 0;
        int m;
        while(res){
            m = res & (res - 1);
            count++;
            res = m;
        }
        return count;
    }
};