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Solution: Add Two Numbers

Understand how to add two numbers given as linked lists with digits in reverse order. Learn the step-by-step method to simulate manual addition, handle carry overs, and construct the result list efficiently. This lesson offers a clear approach to solving this common coding interview problem with optimal time and space complexity.

Statement

You are given two non-empty linked lists, where each list represents a non-negative integer.
The digits are stored in reverse order, and each node contains exactly one digit.

Your task is to add the two integers and return the result as a linked list, also stored in reverse order. ...