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程式語言 - LeetCode - CPP - 371. Sum of Two Integers

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參考資訊：
https://www.cnblogs.com/grandyang/p/5631814.html

題目：


解答：

class Solution {
public:
    int getSum(int a, int b) {
        while (b != 0) {
            unsigned c = (unsigned)((a & b) << 1);
            a = a ^ b;
            b = c;
        }
        return a;
    }
};