由于可能删除的是头结点,所以得在头结点前面加一个节点,这样便于删除,而且快慢指针也是从该节点开始遍历。 /*** Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode(int x) { val = x; } * }*/classSolution {pu
Write a C program to remove the Nthnode from the end of a singly linked list. Sample Solution: C Code: #include<stdio.h>#include<stdlib.h>// Structure for defining a Node in a Singly Linked ListstructNode{intdata;// Data stored in the nodestructNode*next;// Pointer to the next nod...
19. Remove Nth Node From End of List Given a linked list, remove then-th node from the end of list and return its head. Example: 代码语言:javascript 代码运行次数: AI代码解释 Given linked list:**1->2->3->4->5**,and**_n_=2**.After removing the second node from the end,the l...
Can you solve this real interview question? Remove Nth Node From End of List - Given the head of a linked list, remove the nth node from the end of the list and return its head. Example 1: [https://assets.leetcode.com/uploads/2020/10/03/remove_ex1.j
* };*/classSolution {public:/*use two pointer to form a gap*/ListNode*removeNthFromEnd(ListNode *head,intn) { ListNode*p1,*pn; p1=pn=head;while(n>=0&&pn){ pn=pn->next; n--; }//delete the first element from end;if(n>=0) { ...
19. 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, Note: Given n will always be valid. Try to do this in one pass. 官方答案如下: Algorithm The above algorithm co......
Tanyajain2006 mentioned this issue Jan 16, 2025 RemoveNthNodeFromEnd #114 Merged Contributor Tanyajain2006 commented Jan 16, 2025 • edited @sriya-singh @khushi8k3 PR has been created, kindly review it. sriya-singh assigned amaira-aggarwal and KashishJuneja101003 Jan 16, 2025 Contribut...
public ListNode removeNthFromEnd(ListNode head, int n) { int length = getListLength(head); ListNode pre = null, p = head; int i = length - n + 1;// 正序移动距离 while (--i > 0) {// 获取要删除节点的指针 pre = p; p = p.next; ...
nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, andn= 2. After removing the second node from the end, the linked list becomes 1->2->3->5. 1. 2. 3. Note: Givennwill always be valid. ...
【LeetCode】C# 83、Remove Duplicates from Sorted List Given a sorted linked list, delete all duplicates such that each element appear only once. For example, Given 1->1->2, return 1->2. Given 1->1->2->3->3, return 1->2->3. 去除给定......