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摘要： 题目：Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?... 阅读全文

摘要： 题目：Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?代码：用hashmap版/** * Definition for singly... 阅读全文

摘要： 题目：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 co... 阅读全文

摘要： 题目：Given a linked list, reverse the nodes of a linked listkat a time and return its modified list.If the number of nodes is not a multiple ofkthen lef... 阅读全文

摘要： 题目：Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your al... 阅读全文

摘要： 题目：Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After... 阅读全文