Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -.
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class Solution { public: int getSum(int a, int b) { return b==0?a:getSum(a^b, (a&b)<<1); } }; |
May 10, 2022
Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -.
|
1 2 3 4 5 6 |
class Solution { public: int getSum(int a, int b) { return b==0?a:getSum(a^b, (a&b)<<1); } }; |