题目说明 Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5. Note: G…

题目描述:Remove Nth Node From End of List Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list bec…

1. 4Sum Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target. Note: The solution set must not contain duplicate quadruplets. Fo…

Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5. Note:Given n…

Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5. Note: Given…

Problem: Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5. Not…

题目链接 题目要求: Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: ->->->->, and n = . After removing the second node from the end, the linked list becomes ->->->. Note: Given…

题目:Given a linked list, remove the nth node from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5. 就是让你删除单链表倒…

题目 Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from the end, the linked list becomes 1->2->3->5. Note: Giv…

题目在这里: https://leetcode.com/problems/remove-nth-node-from-end-of-list/ [标签] Linked List; Two Pointers [个人分析] 这个题目应该算是Linked List里面的基础题.说它基础不是因为它简单,而是因为它是基石.一些 Linked list中经典方法在这道题里面都有应用. 1. Two Pointers 在 Linked List中: 如果能预先链表知道长度,那题目就简单多了,删掉从头开始的 Le…