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[Python] Coding Interview Patterns: Unpublished Lessons

Solution: Sum of Two Integers

Let's solve the Sum of Two Integers problem using the Bitwise Manipulation pattern.

We'll cover the following...

Statement

Given two integers, a and b, return their sum without using the addition or subtraction operators.

Constraints:

  • −1000≤-1000\leq a, b ≤1000\leq 1000

Solution

We will use the bitwise manipulation pattern to calculate the sum of two integers without using the arithmetic operators. To calculate the desired sum, we'll use the bitwise operations.

Let's dive into the logic to get a better idea ...