【[Leetcode][021] Merge Two Sorted Lists (Java)】的更多相关文章

[Leetcode][021] Merge Two Sorted Lists (Java)

题目在这里: https://leetcode.com/problems/merge-two-sorted-lists/ [标签]Linked List [题目分析]这个题目就是merge sort在 Linked List中的变形.不多说,直接上代码了 public ListNode mergeTwoLists(ListNode l1, ListNode l2) { ListNode dummyHead = new ListNode(-1); ListNode node = dummyHead…

【JAVA、C++】LeetCode 021 Merge Two Sorted Lists

  Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 解题思路: 新建一个ListNode进行存储即可,JAVA实现如下: static public ListNode mergeTwoLists(ListNode l1, ListNode l2) { ListNo…

Leetcode 021 Merge Two Sorted Lists

摘要:Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Java: /** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * Li…

leetcode 21.Merge Two Sorted Lists ,java

题目: Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 解决方案:276ms /** * Definition for singly-linked list. * public class ListNode { * int val; * ListNode next…

Java for LeetCode 023 Merge k Sorted Lists

Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 解题思路一: 之前我们有mergeTwoLists(ListNode l1, ListNode l2)方法,直接调用的话,需要k-1次调用,每次调用都需要产生一个ListNode[],空间开销很大.如果采用分治的思想,对相邻的两个ListNode进行mergeTwoLists,每次将规模减少一半,直到…

[LeetCode] 21. Merge Two Sorted Lists 合并有序链表

Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: Input: 1->2->4, 1->3->4 Output: 1->1->2->3->4->4 和88. Merge Sorted Array类似,数据…

蜗牛慢慢爬 LeetCode 23. Merge k Sorted Lists [Difficulty: Hard]

题目 Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 翻译 合并k个有序的链表 Hints Related Topics: LinkedList, Divide and Conquer, Heap Solution1:Divide and Conquer 参考 归并排序-维基百科 思路:分治,先分成两个子任务,然后递归子任务,最后回溯回来..这里就…

[LeetCode] 21. Merge Two Sorted Lists 混合插入有序链表

Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. Example: Input: 1->2->4, 1->3->4 Output: 1->1->2->3->4->4 这道混合插入有序链表和我之前那篇混合插入有序数组非常的相…

LeetCode 23 Merge k Sorted Lists（合并k个有序链表）

题目链接: https://leetcode.com/problems/merge-k-sorted-lists/?tab=Description Problem: 给出k个有序的list, 将其进行合并得到一个有序的list   对于给出的ListNode[] lists ,可以进行两两合并.divide and conquer  将list分为前后两部分,对前半部分再次进行分半操作,对后半部分进行分半操作,然后将其进行合并操作. 合并操作也就是对两个list进行合并 合并操作可以采用递归算法…

[Leetcode Week4]Merge Two Sorted Lists

Merge Two Sorted Lists题解 原创文章,拒绝转载 题目来源:https://leetcode.com/problems/merge-two-sorted-lists/description/ Description Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first t…