{ "data": { "question": { "questionId": "676", "questionFrontendId": "676", "categoryTitle": "Algorithms", "boundTopicId": 1816, "title": "Implement Magic Dictionary", "titleSlug": "implement-magic-dictionary", "content": "

Design a data structure that is initialized with a list of different words. Provided a string, you should determine if you can change exactly one character in this string to match any word in the data structure.

\n\n

Implement the MagicDictionary class:

\n\n\n\n

 

\n

Example 1:

\n\n
\nInput\n["MagicDictionary", "buildDict", "search", "search", "search", "search"]\n[[], [["hello", "leetcode"]], ["hello"], ["hhllo"], ["hell"], ["leetcoded"]]\nOutput\n[null, null, false, true, false, false]\n\nExplanation\nMagicDictionary magicDictionary = new MagicDictionary();\nmagicDictionary.buildDict(["hello", "leetcode"]);\nmagicDictionary.search("hello"); // return False\nmagicDictionary.search("hhllo"); // We can change the second 'h' to 'e' to match "hello" so we return True\nmagicDictionary.search("hell"); // return False\nmagicDictionary.search("leetcoded"); // return False\n
\n\n

 

\n

Constraints:

\n\n\n", "translatedTitle": "实现一个魔法字典", "translatedContent": "

设计一个使用单词列表进行初始化的数据结构，单词列表中的单词 互不相同 。 如果给出一个单词，请判定能否只将这个单词中一个字母换成另一个字母，使得所形成的新单词存在于你构建的字典中。

\n\n

实现 MagicDictionary 类：

\n\n\n\n

 

\n\n
\n
\n
\n

示例：

\n\n
\n输入\n[\"MagicDictionary\", \"buildDict\", \"search\", \"search\", \"search\", \"search\"]\n[[], [[\"hello\", \"leetcode\"]], [\"hello\"], [\"hhllo\"], [\"hell\"], [\"leetcoded\"]]\n输出\n[null, null, false, true, false, false]\n\n解释\nMagicDictionary magicDictionary = new MagicDictionary();\nmagicDictionary.buildDict([\"hello\", \"leetcode\"]);\nmagicDictionary.search(\"hello\"); // 返回 False\nmagicDictionary.search(\"hhllo\"); // 将第二个 'h' 替换为 'e' 可以匹配 \"hello\" ，所以返回 True\nmagicDictionary.search(\"hell\"); // 返回 False\nmagicDictionary.search(\"leetcoded\"); // 返回 False\n
\n\n

 

\n\n

提示：

\n\n
    \n\t
  • 1 <= dictionary.length <= 100
    • \n\t
  • 1 <= dictionary[i].length <= 100
    • \n\t
  • dictionary[i] 仅由小写英文字母组成
    • \n\t
  • dictionary 中的所有字符串 互不相同
    • \n\t
  • 1 <= searchWord.length <= 100
    • \n\t
  • searchWord 仅由小写英文字母组成
    • \n\t
  • buildDict 仅在 search 之前调用一次
    • \n\t
  • 最多调用 100 次 search
    • \n
\n
\n
\n
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instantiated and called as such:\n * MagicDictionary* obj = new MagicDictionary();\n * obj->buildDict(dictionary);\n * bool param_2 = obj->search(searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "Java", "langSlug": "java", "code": "class MagicDictionary {\n\n public MagicDictionary() {\n \n }\n \n public void buildDict(String[] dictionary) {\n \n }\n \n public boolean search(String searchWord) {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * MagicDictionary obj = new MagicDictionary();\n * obj.buildDict(dictionary);\n * boolean param_2 = obj.search(searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "Python3", "langSlug": "python3", "code": "class MagicDictionary:\n\n def __init__(self):\n \n\n def buildDict(self, dictionary: List[str]) -> None:\n \n\n def search(self, searchWord: str) -> bool:\n \n\n\n# Your MagicDictionary object will be instantiated and called as such:\n# obj = MagicDictionary()\n# obj.buildDict(dictionary)\n# param_2 = obj.search(searchWord)", "__typename": "CodeSnippetNode" }, { "lang": "Python", "langSlug": "python", "code": "class MagicDictionary(object):\n\n def __init__(self):\n \n\n def buildDict(self, dictionary):\n \"\"\"\n :type dictionary: List[str]\n :rtype: None\n \"\"\"\n \n\n def search(self, searchWord):\n \"\"\"\n :type searchWord: str\n :rtype: bool\n \"\"\"\n \n\n\n# Your MagicDictionary object will be instantiated and called as such:\n# obj = MagicDictionary()\n# obj.buildDict(dictionary)\n# param_2 = obj.search(searchWord)", "__typename": "CodeSnippetNode" }, { "lang": "JavaScript", "langSlug": "javascript", "code": "\nvar MagicDictionary = function() {\n \n};\n\n/** \n * @param {string[]} dictionary\n * @return {void}\n */\nMagicDictionary.prototype.buildDict = function(dictionary) {\n \n};\n\n/** \n * @param {string} searchWord\n * @return {boolean}\n */\nMagicDictionary.prototype.search = function(searchWord) {\n \n};\n\n/** \n * Your MagicDictionary object will be instantiated and called as such:\n * var obj = new MagicDictionary()\n * obj.buildDict(dictionary)\n * var param_2 = obj.search(searchWord)\n */", "__typename": "CodeSnippetNode" }, { "lang": "TypeScript", "langSlug": "typescript", "code": "class MagicDictionary {\n constructor() {\n \n }\n\n buildDict(dictionary: string[]): void {\n \n }\n\n search(searchWord: string): boolean {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * var obj = new MagicDictionary()\n * obj.buildDict(dictionary)\n * var param_2 = obj.search(searchWord)\n */", "__typename": "CodeSnippetNode" }, { "lang": "C#", "langSlug": "csharp", "code": "public class MagicDictionary {\n\n public MagicDictionary() {\n \n }\n \n public void BuildDict(string[] dictionary) {\n \n }\n \n public bool Search(string searchWord) {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * MagicDictionary obj = new MagicDictionary();\n * obj.BuildDict(dictionary);\n * bool param_2 = obj.Search(searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "C", "langSlug": "c", "code": "\n\n\ntypedef struct {\n \n} MagicDictionary;\n\n\nMagicDictionary* magicDictionaryCreate() {\n \n}\n\nvoid magicDictionaryBuildDict(MagicDictionary* obj, char** dictionary, int dictionarySize) {\n \n}\n\nbool magicDictionarySearch(MagicDictionary* obj, char* searchWord) {\n \n}\n\nvoid magicDictionaryFree(MagicDictionary* obj) {\n \n}\n\n/**\n * Your MagicDictionary struct will be instantiated and called as such:\n * MagicDictionary* obj = magicDictionaryCreate();\n * magicDictionaryBuildDict(obj, dictionary, dictionarySize);\n \n * bool param_2 = magicDictionarySearch(obj, searchWord);\n \n * magicDictionaryFree(obj);\n*/", "__typename": "CodeSnippetNode" }, { "lang": "Go", "langSlug": "golang", "code": "type MagicDictionary struct {\n \n}\n\n\nfunc Constructor() MagicDictionary {\n \n}\n\n\nfunc (this *MagicDictionary) BuildDict(dictionary []string) {\n \n}\n\n\nfunc (this *MagicDictionary) Search(searchWord string) bool {\n \n}\n\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * obj := Constructor();\n * obj.BuildDict(dictionary);\n * param_2 := obj.Search(searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "Kotlin", "langSlug": "kotlin", "code": "class MagicDictionary() {\n\n fun buildDict(dictionary: Array) {\n \n }\n\n fun search(searchWord: String): Boolean {\n \n }\n\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * var obj = MagicDictionary()\n * obj.buildDict(dictionary)\n * var param_2 = obj.search(searchWord)\n */", "__typename": "CodeSnippetNode" }, { "lang": "Swift", "langSlug": "swift", "code": "\nclass MagicDictionary {\n\n init() {\n \n }\n \n func buildDict(_ dictionary: [String]) {\n \n }\n \n func search(_ searchWord: String) -> Bool {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * let obj = MagicDictionary()\n * obj.buildDict(dictionary)\n * let ret_2: Bool = obj.search(searchWord)\n */", "__typename": "CodeSnippetNode" }, { "lang": "Rust", "langSlug": "rust", "code": "struct MagicDictionary {\n\n}\n\n\n/** \n * `&self` means the method takes an immutable reference.\n * If you need a mutable reference, change it to `&mut self` instead.\n */\nimpl MagicDictionary {\n\n fn new() -> Self {\n \n }\n \n fn build_dict(&self, dictionary: Vec) {\n \n }\n \n fn search(&self, search_word: String) -> bool {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * let obj = MagicDictionary::new();\n * obj.build_dict(dictionary);\n * let ret_2: bool = obj.search(searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "Ruby", "langSlug": "ruby", "code": "class MagicDictionary\n def initialize()\n \n end\n\n\n=begin\n :type dictionary: String[]\n :rtype: Void\n=end\n def build_dict(dictionary)\n \n end\n\n\n=begin\n :type search_word: String\n :rtype: Boolean\n=end\n def search(search_word)\n \n end\n\n\nend\n\n# Your MagicDictionary object will be instantiated and called as such:\n# obj = MagicDictionary.new()\n# obj.build_dict(dictionary)\n# param_2 = obj.search(search_word)", "__typename": "CodeSnippetNode" }, { "lang": "PHP", "langSlug": "php", "code": "class MagicDictionary {\n /**\n */\n function __construct() {\n \n }\n \n /**\n * @param String[] $dictionary\n * @return NULL\n */\n function buildDict($dictionary) {\n \n }\n \n /**\n * @param String $searchWord\n * @return Boolean\n */\n function search($searchWord) {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * $obj = MagicDictionary();\n * $obj->buildDict($dictionary);\n * $ret_2 = $obj->search($searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "Dart", "langSlug": "dart", "code": "class MagicDictionary {\n\n MagicDictionary() {\n \n }\n \n void buildDict(List dictionary) {\n \n }\n \n bool search(String searchWord) {\n \n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * MagicDictionary obj = MagicDictionary();\n * obj.buildDict(dictionary);\n * bool param2 = obj.search(searchWord);\n */", "__typename": "CodeSnippetNode" }, { "lang": "Scala", "langSlug": "scala", "code": "class MagicDictionary() {\n\n def buildDict(dictionary: Array[String]): Unit = {\n \n }\n\n def search(searchWord: String): Boolean = {\n \n }\n\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * val obj = new MagicDictionary()\n * obj.buildDict(dictionary)\n * val param_2 = obj.search(searchWord)\n */", "__typename": "CodeSnippetNode" }, { "lang": "Elixir", "langSlug": "elixir", "code": "defmodule MagicDictionary do\n @spec init_() :: any\n def init_() do\n \n end\n\n @spec build_dict(dictionary :: [String.t]) :: any\n def build_dict(dictionary) do\n \n end\n\n @spec search(search_word :: String.t) :: boolean\n def search(search_word) do\n \n end\nend\n\n# Your functions will be called as such:\n# MagicDictionary.init_()\n# MagicDictionary.build_dict(dictionary)\n# param_2 = MagicDictionary.search(search_word)\n\n# MagicDictionary.init_ will be called before every test case, in which you can do some necessary initializations.", "__typename": "CodeSnippetNode" }, { "lang": "Erlang", "langSlug": "erlang", "code": "-spec magic_dictionary_init_() -> any().\nmagic_dictionary_init_() ->\n .\n\n-spec magic_dictionary_build_dict(Dictionary :: [unicode:unicode_binary()]) -> any().\nmagic_dictionary_build_dict(Dictionary) ->\n .\n\n-spec magic_dictionary_search(SearchWord :: unicode:unicode_binary()) -> boolean().\nmagic_dictionary_search(SearchWord) ->\n .\n\n\n%% Your functions will be called as such:\n%% magic_dictionary_init_(),\n%% magic_dictionary_build_dict(Dictionary),\n%% Param_2 = magic_dictionary_search(SearchWord),\n\n%% magic_dictionary_init_ will be called before every test case, in which you can do some necessary initializations.", "__typename": "CodeSnippetNode" }, { "lang": "Racket", "langSlug": "racket", "code": "(define magic-dictionary%\n (class object%\n (super-new)\n \n (init-field)\n \n ; build-dict : (listof string?) -> void?\n (define/public (build-dict dictionary)\n )\n ; search : string? -> boolean?\n (define/public (search search-word)\n )))\n\n;; Your magic-dictionary% object will be instantiated and called as such:\n;; (define obj (new magic-dictionary%))\n;; (send obj build-dict dictionary)\n;; (define param_2 (send obj search search-word))", "__typename": "CodeSnippetNode" }, { "lang": "Cangjie", "langSlug": "cangjie", "code": "class MagicDictionary {\n init() {\n\n }\n \n func buildDict(dictionary: Array): Unit {\n\n }\n \n func search(searchWord: String): Bool {\n\n }\n}\n\n/**\n * Your MagicDictionary object will be instantiated and called as such:\n * let obj: MagicDictionary = MagicDictionary()\n * obj.buildDict(dictionary)\n * let param_2 = obj.search(searchWord)\n */", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"58.8K\", \"totalSubmission\": \"87.7K\", \"totalAcceptedRaw\": 58819, \"totalSubmissionRaw\": 87691, \"acRate\": \"67.1%\"}", "hints": [], "solution": null, "status": null, "sampleTestCase": "[\"MagicDictionary\", \"buildDict\", \"search\", \"search\", \"search\", \"search\"]\n[[], [[\"hello\",\"leetcode\"]], [\"hello\"], [\"hhllo\"], [\"hell\"], [\"leetcoded\"]]", "metaData": "{\n \"classname\": \"MagicDictionary\",\n \"constructor\": {\n \"params\": []\n },\n \"methods\": [\n {\n \"params\": [\n {\n \"type\": \"string[]\",\n \"name\": \"dictionary\"\n }\n ],\n \"return\": {\n \"type\": \"void\"\n },\n \"name\": \"buildDict\"\n },\n {\n \"params\": [\n {\n \"type\": \"string\",\n \"name\": \"searchWord\"\n }\n ],\n \"return\": {\n \"type\": \"boolean\"\n },\n \"name\": \"search\"\n }\n ],\n \"return\": {\n \"type\": \"boolean\"\n },\n 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