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摘要： 题目描述 Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. Afte 阅读全文

摘要： 题目描述 Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 解题思路：借鉴于合并两个排序链表的题，采用分治法来解决该问题 不停的对半划分，比如k个链表先 阅读全文