【Merge Two Sorted Lists】cpp

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【Merge K Sorted Lists】cpp

题目: Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 代码: /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ cla…

【Merge Two Sorted Lists】cpp

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. 代码: /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode…

leetcode 【 Merge Two Sorted Lists 】 python 实现

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. 代码:oj在线测试通过 Runtime: 208 ms # Definition for singly-linked list. # class ListNode: # def __init__(self,…

leetcode 【 Merge k Sorted Lists 】python 实现

题目: Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 代码:oj测试通过 Runtime: 231 ms # Definition for singly-linked list. # class ListNode: # def __init__(self, x): # self.val = x # self.next = None class S…

LeetCode 【21. 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. 思路.首先判断是否有空链表,如果有,则直接返回另一个链表,如果没有,则开始比较两个链表的当前节点,返回较小的元素作为前驱,并且指针向后移动一位,再进行比较,如此循环,知道一个链表的next指向NULL,将另一个链表的…

21. Merge Two Sorted Lists【easy】

21. Merge Two Sorted Lists[easy] 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. 解法一: /** * Definition for singly-linked list. * struct ListNode { * int val…

【leetcode】Merge k Sorted Lists

Merge k Sorted Lists Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 采用优先队列priority_queue 把ListNode放入优先队列中,弹出最小指后,如果该ListNode有下一个元素,则把下一个元素放入到队列中 /** * Definition for singly-linked list. * stru…

【LeetCode练习题】Merge k Sorted Lists

Merge k Sorted Lists Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. 题目意思: 合并K条已经排序的链表.分析时间复杂度. 解题思路: 很容易就想起之前学的合并两条链表的算法,这一题其实就是那个题目的扩展,变成合并K条了.我采用的方法就是迭代法. 如果只有一条,直接返回.如果只有两条,就只需要调用mergeTwo一下.如果超过两…

【LeetCode】【数组归并】Merge k Sorted Lists

描述 Merge k sorted linked lists and return it as one sorted list. Analyze and describe its complexity. Example: Input: [ 1->4->5, 1->3->4, 2->6 ] Output: 1->1->2->3->4->4->5->6 思路借鉴Merge Two Sorted Lists的解决思路,对两个数…

【LeetCode】21. Merge Two Sorted Lists 合并两个有序链表

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 个人公众号:负雪明烛本文关键词:合并,有序链表,递归,迭代,题解,leetcode, 力扣,Python, C++, Java 目录题目描述题目大意解题方法迭代 Python解法 C++解法 Java解法递归日期题目地址:https://leetcode.com/problems/merge-two-sorted-lists/ 题目描述 Merge two sorted…