题解 | 另类加法
另类加法
https://www.nowcoder.com/practice/e7e0d226f1e84ba7ab8b28efc6e1aebc
class UnusualAdd {
public:
int addAB(int A, int B) {
// write code here
while (B) {
int sum = A ^ B;
int carry = A &B;
A = sum;
B = carry <<1 ;
}
return A;
}
};