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Solution: Add Two Numbers

Understand how to add two non-empty linked lists representing integers stored in reverse order. Learn to handle digit-by-digit addition, manage carry over, and construct the resulting sum as a new linked list. This lesson helps develop linked list traversal and arithmetic problem-solving skills relevant for coding interviews.

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. ...