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Grokking the Coding Interview Patterns in JavaScript

Solution: Merge K Sorted Lists

Explore the method to merge multiple sorted linked lists by pairing and merging them in rounds using a divide-and-conquer approach. Understand how two pointers and a dummy node simplify the merging process, and analyze the time and space complexity for efficient coding interview solutions.

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Statement

You are given an array, lists, containing k singly linked lists. Each of these linked lists is individually sorted in ascending order.

Your task is to merge all k linked lists into a single sorted linked list in ascending order and return the merged list.

Constraints:

  • k ==== lists.length

  • ...