{ "data": { "question": { "questionId": "1427", "questionFrontendId": "1305", "categoryTitle": "Algorithms", "boundTopicId": 62634, "title": "All Elements in Two Binary Search Trees", "titleSlug": "all-elements-in-two-binary-search-trees", "content": "

Given two binary search trees root1 and root2, return a list containing all the integers from both trees sorted in ascending order.

\n\n

 

\n

Example 1:

\n\"\"\n
\nInput: root1 = [2,1,4], root2 = [1,0,3]\nOutput: [0,1,1,2,3,4]\n
\n\n

Example 2:

\n\"\"\n
\nInput: root1 = [1,null,8], root2 = [8,1]\nOutput: [1,1,8,8]\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "两棵二叉搜索树中的所有元素", "translatedContent": "

给你 root1 和 root2 这两棵二叉搜索树。请你返回一个列表，其中包含 两棵树 中的所有整数并按 升序 排序。.

\n\n

 

\n\n

示例 1：

\n\n

\"\"

\n\n
\n输入：root1 = [2,1,4], root2 = [1,0,3]\n输出：[0,1,1,2,3,4]\n
\n\n

示例 2：

\n\n

\"\"

\n\n
\n输入：root1 = [1,null,8], root2 = [8,1]\n输出：[1,1,8,8]\n
\n\n

 

\n\n

提示：

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0 : val)\n * this.left = (left===undefined ? null : left)\n * this.right = (right===undefined ? null : right)\n * }\n */\n/**\n * @param {TreeNode} root1\n * @param {TreeNode} root2\n * @return {number[]}\n */\nvar getAllElements = function(root1, root2) {\n\n};", "__typename": "CodeSnippetNode" }, { "lang": "Ruby", "langSlug": "ruby", "code": "# Definition for a binary tree node.\n# class TreeNode\n# attr_accessor :val, :left, :right\n# def initialize(val = 0, left = nil, right = nil)\n# @val = val\n# @left = left\n# @right = right\n# end\n# end\n# @param {TreeNode} root1\n# @param {TreeNode} root2\n# @return {Integer[]}\ndef get_all_elements(root1, root2)\n\nend", "__typename": "CodeSnippetNode" }, { "lang": "Swift", "langSlug": "swift", "code": "/**\n * Definition for a binary tree node.\n * public class TreeNode {\n * public var val: Int\n * public var left: TreeNode?\n * public var right: TreeNode?\n * public init() { self.val = 0; self.left = nil; self.right = nil; }\n * public init(_ val: Int) { self.val = val; self.left = nil; self.right = nil; }\n * public init(_ val: Int, _ left: TreeNode?, _ right: TreeNode?) {\n * self.val = val\n * self.left = left\n * self.right = right\n * }\n * }\n */\nclass Solution {\n func getAllElements(_ root1: TreeNode?, _ root2: TreeNode?) -> [Int] {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Go", "langSlug": "golang", "code": "/**\n * Definition for a binary tree node.\n * type TreeNode struct {\n * Val int\n * Left *TreeNode\n * Right *TreeNode\n * }\n */\nfunc getAllElements(root1 *TreeNode, root2 *TreeNode) []int {\n\n}", "__typename": "CodeSnippetNode" }, { "lang": "Scala", "langSlug": "scala", "code": "/**\n * Definition for a binary tree node.\n * class TreeNode(_value: Int = 0, _left: TreeNode = null, _right: TreeNode = null) {\n * var value: Int = _value\n * var left: TreeNode = _left\n * var right: TreeNode = _right\n * }\n */\nobject Solution {\n def getAllElements(root1: TreeNode, root2: TreeNode): List[Int] = {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Kotlin", "langSlug": "kotlin", "code": "/**\n * Example:\n * var ti = TreeNode(5)\n * var v = ti.`val`\n * Definition for a binary tree node.\n * class TreeNode(var `val`: Int) {\n * var left: TreeNode? = null\n * var right: TreeNode? = null\n * }\n */\nclass Solution {\n fun getAllElements(root1: TreeNode?, root2: TreeNode?): List {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "Rust", "langSlug": "rust", "code": "// Definition for a binary tree node.\n// #[derive(Debug, PartialEq, Eq)]\n// pub struct TreeNode {\n// pub val: i32,\n// pub left: Option>>,\n// pub right: Option>>,\n// }\n//\n// impl TreeNode {\n// #[inline]\n// pub fn new(val: i32) -> Self {\n// TreeNode {\n// val,\n// left: None,\n// right: None\n// }\n// }\n// }\nuse std::rc::Rc;\nuse std::cell::RefCell;\nimpl Solution {\n pub fn get_all_elements(root1: Option>>, root2: Option>>) -> Vec {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "PHP", "langSlug": "php", "code": "/**\n * Definition for a binary tree node.\n * class TreeNode {\n * public $val = null;\n * public $left = null;\n * public $right = null;\n * function __construct($val = 0, $left = null, $right = null) {\n * $this->val = $val;\n * $this->left = $left;\n * $this->right = $right;\n * }\n * }\n */\nclass Solution {\n\n /**\n * @param TreeNode $root1\n * @param TreeNode $root2\n * @return Integer[]\n */\n function getAllElements($root1, $root2) {\n\n }\n}", "__typename": "CodeSnippetNode" }, { "lang": "TypeScript", "langSlug": "typescript", "code": "/**\n * Definition for a binary tree node.\n * class TreeNode {\n * val: number\n * left: TreeNode | null\n * right: TreeNode | null\n * constructor(val?: number, left?: TreeNode | null, right?: TreeNode | null) {\n * this.val = (val===undefined ? 0 : val)\n * this.left = (left===undefined ? null : left)\n * this.right = (right===undefined ? null : right)\n * }\n * }\n */\n\nfunction getAllElements(root1: TreeNode | null, root2: TreeNode | null): number[] {\n\n};", "__typename": "CodeSnippetNode" }, { "lang": "Racket", "langSlug": "racket", "code": "; Definition for a binary tree node.\n#|\n\n; val : integer?\n; left : (or/c tree-node? #f)\n; right : (or/c tree-node? #f)\n(struct tree-node\n (val left right) #:mutable #:transparent)\n\n; constructor\n(define (make-tree-node [val 0])\n (tree-node val #f #f))\n\n|#\n\n(define/contract (get-all-elements root1 root2)\n (-> (or/c tree-node? #f) (or/c tree-node? #f) (listof exact-integer?))\n\n )", "__typename": "CodeSnippetNode" }, { "lang": "Erlang", "langSlug": "erlang", "code": "%% Definition for a binary tree node.\n%%\n%% -record(tree_node, {val = 0 :: integer(),\n%% left = null :: 'null' | #tree_node{},\n%% right = null :: 'null' | #tree_node{}}).\n\n-spec get_all_elements(Root1 :: #tree_node{} | null, Root2 :: #tree_node{} | null) -> [integer()].\nget_all_elements(Root1, Root2) ->\n .", "__typename": "CodeSnippetNode" }, { "lang": "Elixir", "langSlug": "elixir", "code": "# Definition for a binary tree node.\n#\n# defmodule TreeNode do\n# @type t :: %__MODULE__{\n# val: integer,\n# left: TreeNode.t() | nil,\n# right: TreeNode.t() | nil\n# }\n# defstruct val: 0, left: nil, right: nil\n# end\n\ndefmodule Solution do\n @spec get_all_elements(root1 :: TreeNode.t | nil, root2 :: TreeNode.t | nil) :: [integer]\n def get_all_elements(root1, root2) do\n\n end\nend", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"17.5K\", \"totalSubmission\": \"23.3K\", \"totalAcceptedRaw\": 17466, \"totalSubmissionRaw\": 23336, \"acRate\": \"74.8%\"}", "hints": [ "Traverse the first tree in list1 and the second tree in list2.", "Merge the two trees in one list and sort it." ], "solution": null, "status": null, "sampleTestCase": "[2,1,4]\r\n[1,0,3]\r", "metaData": "{\n \"name\": \"getAllElements\",\n \"params\": [\n {\n \"name\": \"root1\",\n \"type\": \"TreeNode\"\n },\n {\n \"type\": \"TreeNode\",\n \"name\": \"root2\"\n }\n ],\n \"return\": {\n \"type\": \"list\"\n }\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "envInfo": "{\"cpp\":[\"C++\",\"

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            "style": "LEETCODE",
            "exampleTestcases": "[2,1,4]\n[1,0,3]\n[1,null,8]\n[8,1]",
            "__typename": "QuestionNode"
        }
    }
}