48.Add_Numbers_without_Addition_Subtraction_Multiplication_And_Division

// 写一个函数，求两个整数之和，要求在函数体内不得使用+、-、*、/四则运算符号

class Solution {
public:
    int Add(int num1, int num2) {
        while (num2 != 0) {
            int temp = num1 ^ num2;
            num2 = (num1 & num2) << 1;
            num1 = temp;
        }
        return num1;
    }
};