{ "data": { "question": { "questionId": "100", "questionFrontendId": "100", "categoryTitle": "Algorithms", "boundTopicId": 1369, "title": "Same Tree", "titleSlug": "same-tree", "content": "

Given the roots of two binary trees p and q, write a function to check if they are the same or not.

\n\n

Two binary trees are considered the same if they are structurally identical, and the nodes have the same value.

\n\n

 

\n

Example 1:

\n\"\"\n
\nInput: p = [1,2,3], q = [1,2,3]\nOutput: true\n
\n\n

Example 2:

\n\"\"\n
\nInput: p = [1,2], q = [1,null,2]\nOutput: false\n
\n\n

Example 3:

\n\"\"\n
\nInput: p = [1,2,1], q = [1,1,2]\nOutput: false\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "相同的树", "translatedContent": "

给你两棵二叉树的根节点 p 和 q ，编写一个函数来检验这两棵树是否相同。

\n\n

如果两个树在结构上相同，并且节点具有相同的值，则认为它们是相同的。

\n\n

 

\n\n

示例 1：

\n\"\"\n
\n输入：p = [1,2,3], q = [1,2,3]\n输出：true\n
\n\n

示例 2：

\n\"\"\n
\n输入：p = [1,2], q = [1,null,2]\n输出：false\n
\n\n

示例 3：

\n\"\"\n
\n输入：p = [1,2,1], q = [1,1,2]\n输出：false\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} p\n * @param {TreeNode} q\n * @return {boolean}\n */\nvar isSameTree = function(p, q) {\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} p\n# @param {TreeNode} q\n# @return {Boolean}\ndef is_same_tree(p, q)\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 isSameTree(_ p: TreeNode?, _ q: TreeNode?) -> Bool {\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 isSameTree(p *TreeNode, q *TreeNode) bool {\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 isSameTree(p: TreeNode, q: TreeNode): Boolean = {\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 isSameTree(p: TreeNode?, q: TreeNode?): Boolean {\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 is_same_tree(p: Option>>, q: Option>>) -> bool {\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 $p\n * @param TreeNode $q\n * @return Boolean\n */\n function isSameTree($p, $q) {\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 isSameTree(p: TreeNode | null, q: TreeNode | null): boolean {\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 (is-same-tree p q)\n (-> (or/c tree-node? #f) (or/c tree-node? #f) boolean?)\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 is_same_tree(P :: #tree_node{} | null, Q :: #tree_node{} | null) -> boolean().\nis_same_tree(P, Q) ->\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 is_same_tree(p :: TreeNode.t | nil, q :: TreeNode.t | nil) :: boolean\n def is_same_tree(p, q) do\n\n end\nend", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"329.5K\", \"totalSubmission\": \"551.6K\", \"totalAcceptedRaw\": 329451, \"totalSubmissionRaw\": 551599, \"acRate\": \"59.7%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "[1,2,3]\n[1,2,3]", "metaData": "{\r\n \"name\": \"isSameTree\",\r\n \"params\": [\r\n {\r\n \"name\": \"p\",\r\n \"type\": \"TreeNode\"\r\n },\r\n {\r\n \"name\": \"q\",\r\n \"type\": \"TreeNode\"\r\n }\r\n ],\r\n \"return\": {\r\n \"type\": \"boolean\"\r\n }\r\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "envInfo": "{\"cpp\":[\"C++\",\"

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}