C++不用'+'实现加法
A+B问题十分清奇的解法
本来用位运算解了,同学来一句-(-a-b),额,AC了
class Solution {
public:
/*
* @param : An integer
* @param : An integer
* @return: The sum of a and b
*/
int aplusb(int a, int b) {
// write your code here
return (-(-a-b));
}
};
Written on December 17, 2017