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Merge K Sorted Lists

Explore how to merge k sorted linked lists into a single sorted list using the k-way merge pattern. This lesson helps you understand the problem constraints and practice implementing solutions to efficiently combine multiple sorted lists, a common coding interview challenge.

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

  • 00 \leq ...