var hammingDistance = function(x, y) {
let r = x^y, res = 0
while(r !== 0) {
if (r % 2 !== 0) {
++res;
}
r = parseInt(r / 2)
}
return res
};
var hammingDistance = function(x, y) {
let r = x^y, res = 0
while(r !== 0) {
if (r % 2 !== 0) {
++res;
}
r = parseInt(r / 2)
}
return res
};