题解 | #不用加减乘除做加法#
不用加减乘除做加法
https://www.nowcoder.com/practice/59ac416b4b944300b617d4f7f111b215
class Solution {
public:
int Add(int num1, int num2) {
while(num2!=0){
int t1,t2;
t1=num1^num2;
t2=num1&num2;
num1=t1;
num2=t2<<1;
}
return num1;
}
};
