Medium
Math
Bit Manipulation
371. Sum of Two Integers
Given two integers a and b, return the sum of the two integers without using the operators + and -.
a
b
+
-
Example 1:
Input: a = 1, b = 2 Output: 3
Example 2:
Input: a = 2, b = 3 Output: 5
Constraints:
-1000 <= a, b <= 1000
function getSum(a, b) { while (b != 0) { let carry = a & b; a = a ^ b; b = carry << 1; } return a; }
Marsgoat Dec 1, 2022
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