随笔分类 -  leetcode_linkedList

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141. Linked List Cycle
摘要：Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space? 题目含义：判断一个列表是否有环路 思路：参考142. Linked List C 阅读全文
posted @ 2017-10-24 16:22 daniel456 阅读(131) 评论(0) 推荐(0) 编辑
109. Convert Sorted List to Binary Search Tree
摘要：Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST. 题目含义：给定一个升序的列表，构造一个平衡二叉树 平衡二叉树：二叉排序树集中了数 阅读全文
posted @ 2017-10-24 14:16 daniel456 阅读(111) 评论(0) 推荐(0) 编辑
138. Copy List with Random Pointer
摘要：A linked list is given such that each node contains an additional random pointer which could point to any node in the list or null. Return a deep copy 阅读全文
posted @ 2017-10-24 11:31 daniel456 阅读(120) 评论(0) 推荐(0) 编辑
203. Remove Linked List Elements
摘要：Remove all elements from a linked list of integers that have value val. ExampleGiven: 1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6, val = 6Return: 1 --> 2 -- 阅读全文
posted @ 2017-10-21 23:36 daniel456 阅读(74) 评论(0) 推荐(0) 编辑

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