You are given an array of k arrays/linked-lists arrays, each array/linked-list is sorted in ascending or descending order. Merge all the arrays/linked-lists into one sorted array/linked-list and return it. Example 1: Input: arrays= [[1,4,5],[1,3,4],[2,6]] Output: [1,1,2,3,4,4,5,6] Explanation: The arrays/linked-lists are: [ 1->4->5, 1->3->4, 2->6 ] merging them into one sorted array/list: 1->1->2->3->4->4->5->6 Constraints: k == arrays.length 0 <= […]