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Solution: Merge K Sorted Lists

Explore how to efficiently merge K sorted linked lists into a single sorted linked list by applying a divide and conquer strategy. Understand the step-by-step pairwise merging process and how two pointers help combine lists while analyzing time and space complexity.

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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

  • ...