leetcode-problemset/leetcode-cn/originData/partition-list-lcci.json

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        "question": {
            "questionId": "1000008",
            "questionFrontendId": "面试题 02.04",
            "categoryTitle": "LCCI",
            "boundTopicId": 91433,
            "title": "Partition List LCCI",
            "titleSlug": "partition-list-lcci",
            "content": "<p>Write code to partition a linked list around a value x, such that all nodes less than x come before all nodes greater than or equal to x. If x is contained within the list, the values of x only need to be after the elements less than x (see below). The partition element x can appear anywhere in the &quot;right partition&quot;; it does not need to appear between the left and right partitions.</p>\r\n\r\n<p><strong>Example:</strong></p>\r\n\r\n<pre>\r\n<strong>Input:</strong> head = 3-&gt;5-&gt;8-&gt;5-&gt;10-&gt;2-&gt;1, <em>x</em> = 5\r\n<strong>Output:</strong> 3-&gt;1-&gt;2-&gt;10-&gt;5-&gt;5-&gt;8\r\n</pre>\r\n",
            "translatedTitle": "分割链表",
            "translatedContent": "<p>给你一个链表的头节点 <code>head</code> 和一个特定值<em> </em><code>x</code> ，请你对链表进行分隔，使得所有 <strong>小于</strong> <code>x</code> 的节点都出现在 <strong>大于或等于</strong> <code>x</code> 的节点之前。</p>\n\n<p>你不需要&nbsp;<strong>保留</strong>&nbsp;每个分区中各节点的初始相对位置。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/01/04/partition.jpg\" style=\"width: 662px; height: 222px;\" />\n<pre>\n<strong>输入：</strong>head = [1,4,3,2,5,2], x = 3\n<strong>输出</strong>：[1,2,2,4,3,5]\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>head = [2,1], x = 2\n<strong>输出</strong>：[1,2]\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li>链表中节点的数目在范围 <code>[0, 200]</code> 内</li>\n\t<li><code>-100 &lt;= Node.val &lt;= 100</code></li>\n\t<li><code>-200 &lt;= x &lt;= 200</code></li>\n</ul>\n",
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            "difficulty": "Medium",
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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* partition(ListNode* head, int x) {\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 partition(ListNode head, int x) {\n\n    }\n}",
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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 partition(self, head, x):\n        \"\"\"\n        :type head: ListNode\n        :type x: 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 partition(self, head: ListNode, x: 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* partition(struct ListNode* head, int x){\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 Partition(ListNode head, int x) {\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} x\n * @return {ListNode}\n */\nvar partition = function(head, x) {\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 partition(head: ListNode | null, x: number): ListNode | null {\n\n};",
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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 $x\n     * @return ListNode\n     */\n    function partition($head, $x) {\n\n    }\n}",
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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 partition(_ head: ListNode?, _ x: Int) -> ListNode? {\n\n    }\n}",
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                    "lang": "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 partition(head: ListNode?, x: Int): ListNode? {\n\n    }\n}",
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                    "lang": "Dart",
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                    "code": "/**\n * Definition for singly-linked list.\n * class ListNode {\n *   int val;\n *   ListNode? next;\n *   ListNode([this.val = 0, this.next]);\n * }\n */\nclass Solution {\n  ListNode? partition(ListNode? head, int x) {\n\n  }\n}",
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                    "code": "/**\n * Definition for singly-linked list.\n * type ListNode struct {\n *     Val int\n *     Next *ListNode\n * }\n */\nfunc partition(head *ListNode, x int) *ListNode {\n\n}",
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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} x\n# @return {ListNode}\ndef partition(head, x)\n\nend",
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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 partition(head: ListNode, x: 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 partition(head: Option<Box<ListNode>>, x: i32) -> Option<Box<ListNode>> {\n\n    }\n}",
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                    "lang": "Racket",
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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 (partition head x)\n  (-> (or/c list-node? #f) exact-integer? (or/c list-node? #f))\n\n  )",
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                    "lang": "Erlang",
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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 partition(Head :: #list_node{} | null, X :: integer()) -> #list_node{} | null.\npartition(Head, X) ->\n  .",
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                    "lang": "Elixir",
                    "langSlug": "elixir",
                    "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 partition(head :: ListNode.t | nil, x :: integer) :: ListNode.t | nil\n  def partition(head, x) do\n\n  end\nend",
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            "hints": [
                "这个问题有很多解法，其中大部分都有最优的运行时间。有些代码比其他代码更短，更干净。你可以想出不同的解法吗？",
                "考虑元素不必保持相同的相对顺序。我们只需要确保小于基准点的元素必须位于比基准点大的元素之前。这有助于你想出更多的解法吗？"
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