1/**2* Definition for singly-linked list.3* public class ListNode {4* int val;5* ListNode next;6* ListNode(int x) {7* val = x;8* next = null;9* }10* }11*/12publicclassSolution {13publicListNode reverseBetween(ListNode head,intm,intn) {14ListNode prev =newListNode(-1);15prev...
/** * Source : https://oj.leetcode.com/problems/reorder-list/ * * Given a singly linked list L: L0→L1→…→Ln-1→Ln, * reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… * * You must do this in-place without altering the nodes' values. * * For example, * Given {1,2,...
class ListNode: def __init__(self, x): self.val = x self.next = None class Solution: def reorderList(self, head): """ :type head: ListNode :rtype: void Do not return anything, modify head in-place instead. """ # 如果head为空,或者只有一个节点,或者只有两个节点都不用进行交换 ...
JavaScript实现 1/**2* @param {ListNode} head3* @return {void} Do not return anything, modify head in-place instead.4*/5varreorderList =function(head) {6if(!head || !head.next)return;7let fast =head;8let slow =head;9while(fast &&fast.next) {10fast =fast.next.next;11slow =slow...
LeetCode-143. Reorder List Given a singly linked listL:L0→L1→…→Ln-1→Ln, reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→… You maynotmodify the values in the list's nodes, only nodes itself may be changed. Example 1: Given 1->2->3->4, reorder it to 1->4->2->3....
4、链表重排:Reorder List - LeetCode Given a singly linked list L: L0→L1→…→Ln-1→Ln,reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→… You may not modify the values in the list's nodes, only nodes itself may be changed. Example 1: Given 1->2->3->4, reorder it to 1->...
代码 给定一个单链表L的头节点head,单链表L表示为: L0→ L1→ …→ Ln - 1→ Ln 请将其重新排列后变为: L0→ Ln→ L1→ Ln - 1→ L2→ Ln - 2→ … 不能只是单纯的改变节点内部的值,而是需要实际的进行节点交换。 示例1: 输入:head = [1,2,3,4]输出:[1,4,2,3] ...
143 Reorder List Medium Go 144 Binary Tree Preorder Traversal Easy 145 Binary Tree Postorder Traversal Easy 151 Reverse Words in a String Medium Go 159 Longest Substring with At Most Two Distinct Characters 🔒 Medium Go 160 Intersection of Two Linked Lists Easy Go 162 Find Peak Element Med...
0141 Linked List Cycle Go 46.8% Easy 0142 Linked List Cycle II Go 46.2% Medium 0143 Reorder List Go 50.9% Medium 0144 Binary Tree Preorder Traversal Go 64.5% Easy 0145 Binary Tree Postorder Traversal Go 66.5% Easy 0146 LRU Cache Go 40.5% Medium 0147 Insertion Sort List Go 50.1%...
Leetcode 237. Delete Node in a Linked List. 【Easy】 题目简介:删除传入的某个ListNode。 太简单。 classSolution{publicvoiddeleteNode(ListNode node){if(node==null)return;node.val=node.next.val;node.next=node.next.next;}} Leetcode 19. Remove Nth Node From End of List. 【Medium】 ...