Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. Example: 这道题让我们合并k个有序链表,最终合并出来的结果也必须是有序 ...
题目: 合并k个排序将k个已排序的链表合并为一个排好序的链表,并分析其时间复杂度 。 解题思路: 类似于归并排序的思想,lists中存放的是多个单链表,将lists的头和尾两个链表合并,放在头,头向后移动,尾向前移动,继续合并,直到头和尾相等,此时已经归并了一半, 然后以同样的方法又重新开始归并剩下的一半。时间复杂度是O logn ,合并两个链表的时间复杂度是O n ,则总的时间复杂度大概是O n ...
2016-09-17 20:57 0 1647 推荐指数:
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. Example: 这道题让我们合并k个有序链表,最终合并出来的结果也必须是有序 ...
Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. Example:Input: 第二种方法的解决代码 ...
题目: Merge sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 题意: 将k个已排好序的链表合并为一个非下降排序的链表。 思路: 将每个链表 ...
题目链接 Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 合并k个有序的链表,我们假设每个链表的平均长度是n。这一题需要用到合并两个有序的链表子 ...
Merge k sorted linked lists and return it as one sorted list. 题意:把k个已经排好序的链表整合到一个链表中,并且这个链表是排了序的。 题解:这是一道经典好题,值得仔细一说。 有两种方法,假设每个链表的平均长度是n,那么这两种 ...
原题地址:https://oj.leetcode.com/problems/merge-k-sorted-lists/ 题意:Merge k sorted linked lists and return it as one sorted list. Analyze and describe ...
题目: Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 题解: Merge k sorted linked list就是merge ...
Hard! 题目描述: 合并 k 个排序链表,返回合并后的排序链表。请分析和描述算法的复杂度。 示例: 解题思路: 这道题让我们合并k个有序链表,之前我们做过一道Merge Two Sorted Lists 混合插入有序链表,是混合插入两个有序链表。这道题增加了难度,变成合并k个有序 ...