Given the head of a singly linked list, return the middle node of the linked list.If there are two middle nodes, return the second middle node. 英文版地址 leetcode.com/problems/m 中文版描述 给定一个头结点为 head 的非空单链表,返回链表的中间结点。如果有两个中间结点,则返回第二个中间结点。
* Definition for singly-linked list. * public class ListNode { * int val; * ListNode next; * ListNode(int x) { val = x; } * } */classSolution{publicListNodemiddleNode(ListNode head){ListNodefast=head, slow = head;while(fast !=null&& fast.next !=null) { slow = slow.next; fast ...
代码(Go) /** * Definition for singly-linked list. * type ListNode struct { * Val int * Next *ListNode * } */ func middleNode(head *ListNode) *ListNode { // 初始化快慢指针均为头结点 fast := head slow := head // 如果快指针还能走两步,则继续循环 for fast != nil && fast.Next...
* }*/classSolution {publicListNode middleNode(ListNode head) { ListNode slow=head; ListNode fast=head;while(fast !=null&& fast.next !=null) { slow=slow.next; fast=fast.next.next; }returnslow; } } 参考资料:N/A LeetCode 题目列表 -LeetCode Questions List...
876. Middle of the Linked List 题目链接 876. Middle of the Linked List 题目分析 返回一个链表中最中间的元素。 思路 先全部塞入数组,再根据长度/2得到...
给你单链表的头结点head,请你找出并返回链表的中间结点。 如果有两个中间结点,则返回第二个中间结点。 示例1: 输入:head = [1,2,3,4,5]输出:[3,4,5]解释:链表只有一个中间结点,值为 3 。 示例2: 输入:head = [1,2,3,4,5,6]输出:[4,5,6]解释:该链表有两个中间结点,值分别为 3 和 4 ...
return find_kth(B, n, A, m, k); if (m == 0) return B[k - 1]; if (k =...
Find the list of grid coordinates where water can flow to both the Pacific and Atlantic ocean. Note: The order of returned grid coordinates does not matter. Both m and n are less than 150. Example: 代码语言:javascript 代码运行次数:0 运行 复制 Given the following 5x5 matrix: Paci...
0744 Find Smallest Letter Greater Than Target LeetCode 力扣 Python CSDN Easy 二分 0783 Minimum Distance Between BST Nodes二叉搜索树节点最小距离 LeetCode 力扣 Python CSDN Easy 二叉树 0836 Rectangle Overlap LeetCode 力扣 Python CSDN Easy 数学 0876 Middle of the Linked List LeetCode 力扣 Python CSD...
【题目】Given an integer array nums, find the sum of the elements between indices i and j (i ≤ j), inclusive. The update(i, val) function modifies nums by updating the element at index i to val. Example: 代码语言:javascript 代码运行次数:0 运行 复制 Gi...