Solution: Merge K Sorted Lists
Understand how to merge multiple sorted linked lists into a single sorted linked list by applying a divide-and-conquer strategy. Learn to pair and merge lists efficiently using pointers, and implement a solution with O(n log k) time complexity and constant space usage.
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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:
klists.length...