[LeetCode] Swap Nodes in Pairs
Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2-> ...
原文：Swap Nodes in Pairs
问题：交换相邻的两个结点分析：建立新链表每次插入ret gt next后在插入ret，需要在判断下若最后只有一个结点不需要交换，注意每次交换了结点要把尾结点的下一个指向空 class Solution public: ListNode swapPairs ListNode head if head NULL head gt next NULL return head ListNode helper ...
2014-08-02 17:32 0 3204 推荐指数：
相关推荐
[leetcode]Swap Nodes in Pairs @ Python
原题地址：http://oj.leetcode.com/problems/swap-nodes-in-pairs/ 题意：将链表中的节点两两交换。Given 1->2->3->4, you should return the list as 2->1->4-> ...
Swap Nodes in Pairs leetcode java
题目： Given a linked list, swap every two adjacent nodes and return its head. For example, Given 1->2->3->4, you should return the list ...
[LeetCode] 24. Swap Nodes in Pairs 成对交换节点
Given a linked list, swap every two adjacent nodes and return its head. You may not modify the values in the list's nodes, only nodes itself ...
LeetCode 24. 两两交换链表中的节点（Swap Nodes in Pairs）
题目描述 给定一个链表，两两交换其中相邻的节点，并返回交换后的链表。 示例: 说明: 你的算法只能使用常数的额外空间。 你不能只是单纯的改变节点内部 ...
Leetcode24--->Swap Nodes in Pairs(交换单链表中相邻的两个节点)
题目：给定一个单链表，交换两个相邻的节点，且返回交换之后的头节点 举例： Given 1->2->3->4, you should return the list as 2-&g ...
[LeetCode 1530] Number of Good Leaf Nodes Pairs
Given the root of a binary tree and an integer distance. A pair of two different leaf nodes of a binary tree is said to be good if the length ...
[LintCode] Swap Two Nodes in Linked List 交换链表中的两个结点
Given a linked list and two values v1 and v2. Swap the two nodes in the linked list with values v1 and v2. It's guaranteed there is no duplicate ...