题解 | 另类加法
另类加法
https://www.nowcoder.com/practice/e7e0d226f1e84ba7ab8b28efc6e1aebc
# -*- coding:utf-8 -*-
class UnusualAdd:
def addAB(self, A, B):
# write code here
while B:
c = A ^ B
B = (A & B) << 1
A = c
return A
