Hamming Distance

class Solution {
public:
    int hammingDistance(int x, int y) {
        return __builtin_popcount(x ^ y);
    }
};

import "math/bits"

func hammingDistance(x int, y int) int {
    return bits.OnesCount(uint(x ^ y))
}

class Solution:
    def hammingDistance(self, x: int, y: int) -> int:
        return (x ^ y).bit_count()

function hammingDistance(x, y) {
    let z = x ^ y;
    let count = 0;
    while (z !== 0) {
        count++;
        z &= z - 1;
    }
    return count;
}

class Solution {
    public int hammingDistance(int x, int y) {
        return Integer.bitCount(x ^ y);
    }
}

function hammingDistance(x: number, y: number): number {
    let z = x ^ y;
    let count = 0;
    while (z !== 0) {
        count++;
        z &= z - 1;
    }
    return count;
}