LC 0371 [M] Sum of Two Integers - ALawliet/algorithms GitHub Wiki
https://www.youtube.com/watch?v=gVUrDV4tZfY&ab_channel=NeetCode
class Solution {
public int getSum(int a, int b) {
while (b != 0) {
int tmp = (a & b) << 1;
a = a ^ b;
b = tmp;
}
return a;
}
}