Leetcode 371. Sum of Two Integers

最新推荐文章于 2024-08-09 18:00:00 发布

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最新推荐文章于 2024-08-09 18:00:00 发布

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    public class Solution {
    public int GetSum(int a, int b) {
        if(a == 0) return b;
        if(b == 0) return a;
        
        int sum = 0;
        while(b != 0){
            sum = a ^ b; //get the sum without carry
            b = (a & b) <<1; // get the carry 
            a = sum;    
        }
        
        return sum;
    }
}