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Grokking the Coding Interview Patterns in Python

Solution: Merge K Sorted Lists

Explore how to merge multiple sorted linked lists efficiently using a divide-and-conquer k-way merge approach. Understand the step-by-step merging process, implementation details, and analyze the 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

  • ...