Reverse a linked list from position m to n. Do it in-place and in one-pass. For example:Given 1->2->3->4->5->NULL, m = 2 and n ...
原题地址:https: oj.leetcode.com problems reverse linked list ii 题意: Reverse a linked list from positionmton. Do it in place and in one pass. For example:Given gt gt gt gt gt NULL,m andn , return gt gt gt ...
2014-06-12 10:05 0 3197 推荐指数:
Reverse a linked list from position m to n. Do it in-place and in one-pass. For example:Given 1->2->3->4->5->NULL, m = 2 and n ...
题目: Reverse a linked list from position m to n. Do it in-place and in one-pass. For example: Given 1->2->3->4->5->NULL, m ...
Reverse a linked list from position m to n. Do it in one-pass. Note: 1 ≤ m ≤ n ≤ length of list. Example: 很奇怪为何没有倒置链表之一,就来了这个倒置链表之二,不过猜 ...
原题地址:http://oj.leetcode.com/problems/linked-list-cycle-ii/ 题意:如果链表中存在环路,找到环路的起点节点。 解题思路:这道题有点意思。首先使用快慢指针技巧,如果fast指针和slow指针相遇,则说明链表存在环路。具体技巧参见上一篇 ...
比I麻烦点的就是找到循环开始点TAT I只是判断是否循环。要求不使用额外空间(不然hash就可以了 按I的思路,我们又慢指针S和快指针F。。。F走两步,S走一步。。。若有环,必定相遇。 画个图( ...
? 之前做到 Reverse Linked List II 的时候我还纳闷怎么只有二没有一 ...
Reverse Linked List Reverse a singly linked list. click to show more hints. Hint: A linked list can be reversed either iteratively ...
原题地址:http://oj.leetcode.com/problems/linked-list-cycle/ 题意:判断链表中是否存在环路。 解题思路:快慢指针技巧,slow指针和fast指针开始同时指向头结点head,fast每次走两步,slow每次走一步。如果链表不存在环,那么fast ...