mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
synced 2025-01-11 02:58:13 +08:00
180 lines
25 KiB
JSON
180 lines
25 KiB
JSON
{
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"data": {
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"question": {
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"questionId": "975",
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"questionFrontendId": "938",
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"categoryTitle": "Algorithms",
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"boundTopicId": 2305,
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"title": "Range Sum of BST",
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"titleSlug": "range-sum-of-bst",
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"content": "<p>Given the <code>root</code> node of a binary search tree and two integers <code>low</code> and <code>high</code>, return <em>the sum of values of all nodes with a value in the <strong>inclusive</strong> range </em><code>[low, high]</code>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/11/05/bst1.jpg\" style=\"width: 400px; height: 222px;\" />\n<pre>\n<strong>Input:</strong> root = [10,5,15,3,7,null,18], low = 7, high = 15\n<strong>Output:</strong> 32\n<strong>Explanation:</strong> Nodes 7, 10, and 15 are in the range [7, 15]. 7 + 10 + 15 = 32.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/11/05/bst2.jpg\" style=\"width: 400px; height: 335px;\" />\n<pre>\n<strong>Input:</strong> root = [10,5,15,3,7,13,18,1,null,6], low = 6, high = 10\n<strong>Output:</strong> 23\n<strong>Explanation:</strong> Nodes 6, 7, and 10 are in the range [6, 10]. 6 + 7 + 10 = 23.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li>The number of nodes in the tree is in the range <code>[1, 2 * 10<sup>4</sup>]</code>.</li>\n\t<li><code>1 <= Node.val <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= low <= high <= 10<sup>5</sup></code></li>\n\t<li>All <code>Node.val</code> are <strong>unique</strong>.</li>\n</ul>\n",
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"translatedTitle": "二叉搜索树的范围和",
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"translatedContent": "<p>给定二叉搜索树的根结点 <code>root</code>，返回值位于范围 <em><code>[low, high]</code></em> 之间的所有结点的值的和。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/11/05/bst1.jpg\" style=\"width: 400px; height: 222px;\" />\n<pre>\n<strong>输入：</strong>root = [10,5,15,3,7,null,18], low = 7, high = 15\n<strong>输出：</strong>32\n</pre>\n\n<p><strong>示例 2：</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2020/11/05/bst2.jpg\" style=\"width: 400px; height: 335px;\" />\n<pre>\n<strong>输入：</strong>root = [10,5,15,3,7,13,18,1,null,6], low = 6, high = 10\n<strong>输出：</strong>23\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li>树中节点数目在范围 <code>[1, 2 * 10<sup>4</sup>]</code> 内</li>\n\t<li><code>1 <= Node.val <= 10<sup>5</sup></code></li>\n\t<li><code>1 <= low <= high <= 10<sup>5</sup></code></li>\n\t<li>所有 <code>Node.val</code> <strong>互不相同</strong></li>\n</ul>\n",
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"difficulty": "Easy",
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"similarQuestions": "[]",
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"langToValidPlayground": "{\"cpp\": true, \"java\": true, \"python\": true, \"python3\": true, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"ruby\": false, \"bash\": false, \"swift\": false, \"golang\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"kotlin\": false, \"rust\": false, \"php\": false, \"typescript\": false, \"racket\": false, \"erlang\": false, \"elixir\": false}",
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"topicTags": [
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{
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"name": "Tree",
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"slug": "tree",
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"translatedName": "树",
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"name": "Depth-First Search",
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"slug": "depth-first-search",
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"translatedName": "深度优先搜索",
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"name": "Binary Search Tree",
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"slug": "binary-search-tree",
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"translatedName": "二叉搜索树",
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"name": "Binary Tree",
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"translatedName": "二叉树",
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"code": "/**\n * Definition for a binary tree node.\n * struct TreeNode {\n * int val;\n * TreeNode *left;\n * TreeNode *right;\n * TreeNode() : val(0), left(nullptr), right(nullptr) {}\n * TreeNode(int x) : val(x), left(nullptr), right(nullptr) {}\n * TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {}\n * };\n */\nclass Solution {\npublic:\n int rangeSumBST(TreeNode* root, int low, int high) {\n\n }\n};",
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"code": "/**\n * Definition for a binary tree node.\n * public class TreeNode {\n * int val;\n * TreeNode left;\n * TreeNode right;\n * TreeNode() {}\n * TreeNode(int val) { this.val = val; }\n * TreeNode(int val, TreeNode left, TreeNode right) {\n * this.val = val;\n * this.left = left;\n * this.right = right;\n * }\n * }\n */\nclass Solution {\n public int rangeSumBST(TreeNode root, int low, int high) {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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"lang": "Python",
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"code": "# Definition for a binary tree node.\n# class TreeNode(object):\n# def __init__(self, val=0, left=None, right=None):\n# self.val = val\n# self.left = left\n# self.right = right\nclass Solution(object):\n def rangeSumBST(self, root, low, high):\n \"\"\"\n :type root: TreeNode\n :type low: int\n :type high: int\n :rtype: int\n \"\"\"",
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"__typename": "CodeSnippetNode"
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"lang": "Python3",
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"langSlug": "python3",
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"code": "# Definition for a binary tree node.\n# class TreeNode:\n# def __init__(self, val=0, left=None, right=None):\n# self.val = val\n# self.left = left\n# self.right = right\nclass Solution:\n def rangeSumBST(self, root: TreeNode, low: int, high: int) -> int:",
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"__typename": "CodeSnippetNode"
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"lang": "C",
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"langSlug": "c",
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"code": "/**\n * Definition for a binary tree node.\n * struct TreeNode {\n * int val;\n * struct TreeNode *left;\n * struct TreeNode *right;\n * };\n */\n\n\nint rangeSumBST(struct TreeNode* root, int low, int high){\n\n}",
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"lang": "C#",
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"langSlug": "csharp",
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"code": "/**\n * Definition for a binary tree node.\n * public class TreeNode {\n * public int val;\n * public TreeNode left;\n * public TreeNode right;\n * public TreeNode(int val=0, TreeNode left=null, TreeNode right=null) {\n * this.val = val;\n * this.left = left;\n * this.right = right;\n * }\n * }\n */\npublic class Solution {\n public int RangeSumBST(TreeNode root, int low, int high) {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "JavaScript",
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"langSlug": "javascript",
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"code": "/**\n * Definition for a binary tree node.\n * function TreeNode(val, left, right) {\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 * @param {TreeNode} root\n * @param {number} low\n * @param {number} high\n * @return {number}\n */\nvar rangeSumBST = function(root, low, high) {\n\n};",
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"lang": "Ruby",
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"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} root\n# @param {Integer} low\n# @param {Integer} high\n# @return {Integer}\ndef range_sum_bst(root, low, high)\n\nend",
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"__typename": "CodeSnippetNode"
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"lang": "Swift",
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"langSlug": "swift",
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"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 rangeSumBST(_ root: TreeNode?, _ low: Int, _ high: Int) -> Int {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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},
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{
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"lang": "Go",
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"langSlug": "golang",
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"code": "/**\n * Definition for a binary tree node.\n * type TreeNode struct {\n * Val int\n * Left *TreeNode\n * Right *TreeNode\n * }\n */\nfunc rangeSumBST(root *TreeNode, low int, high int) int {\n\n}",
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"__typename": "CodeSnippetNode"
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{
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"lang": "Scala",
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"langSlug": "scala",
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"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 rangeSumBST(root: TreeNode, low: Int, high: Int): Int = {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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},
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"lang": "Kotlin",
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"langSlug": "kotlin",
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"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 rangeSumBST(root: TreeNode?, low: Int, high: Int): Int {\n\n }\n}",
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"lang": "Rust",
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"langSlug": "rust",
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"code": "// Definition for a binary tree node.\n// #[derive(Debug, PartialEq, Eq)]\n// pub struct TreeNode {\n// pub val: i32,\n// pub left: Option<Rc<RefCell<TreeNode>>>,\n// pub right: Option<Rc<RefCell<TreeNode>>>,\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 range_sum_bst(root: Option<Rc<RefCell<TreeNode>>>, low: i32, high: i32) -> i32 {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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"lang": "PHP",
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"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 $root\n * @param Integer $low\n * @param Integer $high\n * @return Integer\n */\n function rangeSumBST($root, $low, $high) {\n\n }\n}",
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"__typename": "CodeSnippetNode"
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"lang": "TypeScript",
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"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 rangeSumBST(root: TreeNode | null, low: number, high: number): number {\n\n};",
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"lang": "Racket",
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"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 (range-sum-bst root low high)\n (-> (or/c tree-node? #f) exact-integer? exact-integer? exact-integer?)\n\n )",
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"__typename": "CodeSnippetNode"
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"lang": "Erlang",
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"langSlug": "erlang",
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"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 range_sum_bst(Root :: #tree_node{} | null, Low :: integer(), High :: integer()) -> integer().\nrange_sum_bst(Root, Low, High) ->\n .",
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},
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"lang": "Elixir",
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"langSlug": "elixir",
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"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 range_sum_bst(root :: TreeNode.t | nil, low :: integer, high :: integer) :: integer\n def range_sum_bst(root, low, high) do\n\n end\nend",
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"__typename": "CodeSnippetNode"
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"sampleTestCase": "[10,5,15,3,7,null,18]\n7\n15",
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