Java Algorithms: Merge k Sorted Lists (LeetCode)

This story was originally published on HackerNoon at: https://hackernoon.com/java-algorithms-merge-k-sorted-lists-leetcode.
An easy approach to the hard leetcode problem Merge k Sorted Lists from that many people using Java Algorithms will need to learn in order to be effective.
Check more stories related to programming at: https://hackernoon.com/c/programming. You can also check exclusive content about #data-structures, #linked-lists, #interview-questions, #how-to-code, #leetcode, #coding, #java, #algorithms, #hackernoon-es, and more.

This story was written by: @rakhmedovrs. Learn more about this writer by checking @rakhmedovrs's about page, and for more stories, please visit hackernoon.com.

ask description: You are given an array of k linked-lists lists, each linked-list is sorted in ascending order. Merge all the linked-lists into one sorted linked-list and return it. Example 1: Input: lists = [[1,4,5],[1,3,4],[2,6]] Output: [1,1,2,3,4,4,5,6] Explanation: The linked-lists are: [ 1->4->5, 1->3->4, 2->6 ] merging them into one sorted list: 1->1->2->3->4->4->5->6