Sum of Two Integers
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Medium•bits•Expected: O(1) bounded by 32 iterations for 32-bit integers time, O(1) space
bit-manipulation
Problem
Given two integers a and b, return the sum of the two integers without using the operators + and -.
Constraints: -1000 <= a, b <= 1000
Example 1:
Input: a = 1, b = 2
Output: 3
Example 2:
Input: a = 2, b = 3
Output: 5
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