mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
179 lines
22 KiB
JSON
179 lines
22 KiB
JSON
{
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"question": {
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"questionId": "100294",
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"questionFrontendId": "剑指 Offer 22",
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"categoryTitle": "LCOF",
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"boundTopicId": 86288,
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"title": "链表中倒数第k个节点 LCOF",
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"titleSlug": "lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof",
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"content": "<p>English description is not available for the problem. Please switch to Chinese.</p>",
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"translatedTitle": "链表中倒数第k个节点",
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"translatedContent": "<p>输入一个链表，输出该链表中倒数第k个节点。为了符合大多数人的习惯，本题从1开始计数，即链表的尾节点是倒数第1个节点。</p>\n\n<p>例如，一个链表有 <code>6</code> 个节点，从头节点开始，它们的值依次是 <code>1、2、3、4、5、6</code>。这个链表的倒数第 <code>3</code> 个节点是值为 <code>4</code> 的节点。</p>\n\n<p> </p>\n\n<p><strong>示例：</strong></p>\n\n<pre>\n给定一个链表: <strong>1->2->3->4->5</strong>, 和 <em>k </em><strong>= 2</strong>.\n\n返回链表 4<strong>->5</strong>.</pre>\n",
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"isPaidOnly": false,
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"difficulty": "Easy",
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"likes": 351,
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"name": "Linked List",
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"translatedName": "链表",
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"name": "Two Pointers",
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"code": "/**\n * Definition for singly-linked list.\n * struct ListNode {\n * int val;\n * ListNode *next;\n * ListNode(int x) : val(x), next(NULL) {}\n * };\n */\nclass Solution {\npublic:\n ListNode* getKthFromEnd(ListNode* head, int k) {\n\n }\n};",
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"code": "/**\n * Definition for singly-linked list.\n * public class ListNode {\n * int val;\n * ListNode next;\n * ListNode(int x) { val = x; }\n * }\n */\nclass Solution {\n public ListNode getKthFromEnd(ListNode head, int k) {\n\n }\n}",
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"lang": "Python",
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"code": "# Definition for singly-linked list.\n# class ListNode(object):\n# def __init__(self, x):\n# self.val = x\n# self.next = None\n\nclass Solution(object):\n def getKthFromEnd(self, head, k):\n \"\"\"\n :type head: ListNode\n :type k: int\n :rtype: ListNode\n \"\"\"",
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"code": "# Definition for singly-linked list.\n# class ListNode:\n# def __init__(self, x):\n# self.val = x\n# self.next = None\n\nclass Solution:\n def getKthFromEnd(self, head: ListNode, k: int) -> ListNode:",
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"code": "/**\n * Definition for singly-linked list.\n * struct ListNode {\n * int val;\n * struct ListNode *next;\n * };\n */\n\n\nstruct ListNode* getKthFromEnd(struct ListNode* head, int k){\n\n}\n",
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"code": "/**\n * Definition for singly-linked list.\n * public class ListNode {\n * public int val;\n * public ListNode next;\n * public ListNode(int x) { val = x; }\n * }\n */\npublic class Solution {\n public ListNode GetKthFromEnd(ListNode head, int k) {\n\n }\n}",
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"code": "/**\n * Definition for singly-linked list.\n * function ListNode(val) {\n * this.val = val;\n * this.next = null;\n * }\n */\n/**\n * @param {ListNode} head\n * @param {number} k\n * @return {ListNode}\n */\nvar getKthFromEnd = function(head, k) {\n\n};",
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"lang": "Ruby",
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"code": "# Definition for singly-linked list.\n# class ListNode\n# attr_accessor :val, :next\n# def initialize(val)\n# @val = val\n# @next = nil\n# end\n# end\n\n# @param {ListNode} head\n# @param {Integer} k\n# @return {ListNode}\ndef get_kth_from_end(head, k)\n\nend",
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"code": "/**\n * Definition for singly-linked list.\n * public class ListNode {\n * public var val: Int\n * public var next: ListNode?\n * public init(_ val: Int) {\n * self.val = val\n * self.next = nil\n * }\n * }\n */\nclass Solution {\n func getKthFromEnd(_ head: ListNode?, _ k: Int) -> ListNode? {\n\n }\n}",
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"lang": "Go",
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"code": "/**\n * Definition for singly-linked list.\n * type ListNode struct {\n * Val int\n * Next *ListNode\n * }\n */\nfunc getKthFromEnd(head *ListNode, k int) *ListNode {\n\n}",
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"lang": "Scala",
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"code": "/**\n * Definition for singly-linked list.\n * class ListNode(var _x: Int = 0) {\n * var next: ListNode = null\n * var x: Int = _x\n * }\n */\nobject Solution {\n def getKthFromEnd(head: ListNode, k: Int): ListNode = {\n\n }\n}",
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"lang": "Kotlin",
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"langSlug": "kotlin",
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"code": "/**\n * Example:\n * var li = ListNode(5)\n * var v = li.`val`\n * Definition for singly-linked list.\n * class ListNode(var `val`: Int) {\n * var next: ListNode? = null\n * }\n */\nclass Solution {\n fun getKthFromEnd(head: ListNode?, k: Int): ListNode? {\n\n }\n}",
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"lang": "Rust",
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"code": "// Definition for singly-linked list.\n// #[derive(PartialEq, Eq, Clone, Debug)]\n// pub struct ListNode {\n// pub val: i32,\n// pub next: Option<Box<ListNode>>\n// }\n// \n// impl ListNode {\n// #[inline]\n// fn new(val: i32) -> Self {\n// ListNode {\n// next: None,\n// val\n// }\n// }\n// }\nimpl Solution {\n pub fn get_kth_from_end(head: Option<Box<ListNode>>, k: i32) -> Option<Box<ListNode>> {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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"code": "/**\n * Definition for a singly-linked list.\n * class ListNode {\n * public $val = 0;\n * public $next = null;\n * function __construct($val) { $this->val = $val; }\n * }\n */\nclass Solution {\n\n /**\n * @param ListNode $head\n * @param Integer $k\n * @return ListNode\n */\n function getKthFromEnd($head, $k) {\n\n }\n}",
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"code": "/**\n * Definition for singly-linked list.\n * class ListNode {\n * val: number\n * next: ListNode | null\n * constructor(val?: number, next?: ListNode | null) {\n * this.val = (val===undefined ? 0 : val)\n * this.next = (next===undefined ? null : next)\n * }\n * }\n */\n\nfunction getKthFromEnd(head: ListNode | null, k: number): ListNode | null {\n\n};",
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"code": "; Definition for singly-linked list:\n#|\n\n; val : integer?\n; next : (or/c list-node? #f)\n(struct list-node\n (val next) #:mutable #:transparent)\n\n; constructor\n(define (make-list-node [val 0])\n (list-node val #f))\n\n|#\n\n(define/contract (get-kth-from-end head k)\n (-> (or/c list-node? #f) exact-integer? (or/c list-node? #f))\n\n )",
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"code": "%% Definition for singly-linked list.\n%%\n%% -record(list_node, {val = 0 :: integer(),\n%% next = null :: 'null' | #list_node{}}).\n\n-spec get_kth_from_end(Head :: #list_node{} | null, K :: integer()) -> #list_node{} | null.\nget_kth_from_end(Head, K) ->\n .",
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"code": "# Definition for singly-linked list.\n#\n# defmodule ListNode do\n# @type t :: %__MODULE__{\n# val: integer,\n# next: ListNode.t() | nil\n# }\n# defstruct val: 0, next: nil\n# end\n\ndefmodule Solution do\n @spec get_kth_from_end(head :: ListNode.t | nil, k :: integer) :: ListNode.t | nil\n def get_kth_from_end(head, k) do\n\n end\nend",
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