{"id":143,"date":"2014-08-13T16:17:28","date_gmt":"2014-08-13T16:17:28","guid":{"rendered":""},"modified":"2014-08-13T16:17:28","modified_gmt":"2014-08-13T16:17:28","slug":"","status":"publish","type":"post","link":"http:\/\/weizn.net\/?p=143","title":{"rendered":"Trie\u6811"},"content":{"rendered":"

\n\tTrie\u6811\u7684\u540d\u5b57\u6709\u5f88\u591a\uff0c\u6bd4\u5982\u5b57\u5178\u6811\uff0c\u524d\u7f00\u6811\u7b49\u7b49\u3002<\/span>\n<\/p>\n

\n\t\u4e00\uff1a\u6982\u5ff5<\/span>\n<\/p>\n

\n\t     \u4e0b\u9762\u6211\u4eec\u6709and,as,at,cn,com\u8fd9\u4e9b\u5173\u952e\u8bcd\uff0c\u90a3\u4e48\u5982\u4f55\u6784\u5efatrie\u6811\u5462\uff1f<\/span>\n<\/p>\n

\n\t\"\"\n<\/p>\n

\n\t\u4ece\u4e0a\u9762\u7684\u56fe\u4e2d\uff0c\u6211\u4eec\u6216\u591a\u6216\u5c11\u7684\u53ef\u4ee5\u53d1\u73b0\u4e00\u4e9b\u597d\u73a9\u7684\u7279\u6027\u3002<\/span>\n<\/p>\n

\n\t      \u7b2c\u4e00\uff1a\u6839\u8282\u70b9\u4e0d\u5305\u542b\u5b57\u7b26\uff0c\u9664\u6839\u8282\u70b9\u5916\u7684\u6bcf\u4e00\u4e2a\u5b50\u8282\u70b9\u90fd\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u3002<\/span>\n<\/p>\n

\n\t      \u7b2c\u4e8c\uff1a\u4ece\u6839\u8282\u70b9\u5230\u67d0\u4e00\u8282\u70b9\uff0c\u8def\u5f84\u4e0a\u7ecf\u8fc7\u7684\u5b57\u7b26\u8fde\u63a5\u8d77\u6765\uff0c\u5c31\u662f\u8be5\u8282\u70b9\u5bf9\u5e94\u7684\u5b57\u7b26\u4e32\u3002<\/span>\n<\/p>\n

\n\t      \u7b2c\u4e09\uff1a\u6bcf\u4e2a\u5355\u8bcd\u7684\u516c\u5171\u524d\u7f00\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u8282\u70b9\u4fdd\u5b58\u3002<\/span>\n<\/p>\n

\n\t <\/span>\n<\/p>\n

\n\t\u4e8c\uff1a\u4f7f\u7528\u8303\u56f4<\/span>\n<\/p>\n

\n\t     \u65e2\u7136\u5b66Trie\u6811\uff0c\u6211\u4eec\u80af\u5b9a\u8981\u77e5\u9053\u8fd9\u73a9\u610f\u662f\u7528\u6765\u5e72\u561b\u7684\u3002<\/span>\n<\/p>\n

\n\t     \u7b2c\u4e00\uff1a\u8bcd\u9891\u7edf\u8ba1\u3002<\/span>\n<\/p>\n

\n\t            \u53ef\u80fd\u6709\u4eba\u8981\u8bf4\u4e86\uff0c\u8bcd\u9891\u7edf\u8ba1\u7b80\u5355\u554a\uff0c\u4e00\u4e2ahash\u6216\u8005\u4e00\u4e2a\u5806\u5c31\u53ef\u4ee5\u6253\u5b8c\u6536\u5de5\uff0c\u4f46\u95ee\u9898\u6765\u4e86\uff0c\u5982\u679c\u5185\u5b58\u6709\u9650\u5462\uff1f\u8fd8\u80fd\u8fd9\u4e48<\/span>\n<\/p>\n

\n\t             \u73a9\u5417\uff1f\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u5c31\u53ef\u4ee5\u7528trie\u6811\u6765\u538b\u7f29\u4e0b\u7a7a\u95f4\uff0c\u56e0\u4e3a\u516c\u5171\u524d\u7f00\u90fd\u662f\u7528\u4e00\u4e2a\u8282\u70b9\u4fdd\u5b58\u7684\u3002<\/span>\n<\/p>\n

\n\t     \u7b2c\u4e8c: \u524d\u7f00\u5339\u914d<\/span>\n<\/p>\n

\n\t            \u5c31\u62ff\u4e0a\u9762\u7684\u56fe\u6765\u8bf4\u5427\uff0c\u5982\u679c\u6211\u60f3\u83b7\u53d6\u6240\u6709\u4ee5”a”\u5f00\u5934\u7684\u5b57\u7b26\u4e32\uff0c\u4ece\u56fe\u4e2d\u53ef\u4ee5\u5f88\u660e\u663e\u7684\u770b\u5230\u662f\uff1aand,as,at\uff0c\u5982\u679c\u4e0d\u7528trie\u6811\uff0c<\/span>\n<\/p>\n

\n\t            \u4f60\u8be5\u600e\u4e48\u505a\u5462\uff1f\u5f88\u663e\u7136\u6734\u7d20\u7684\u505a\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(N<\/span>2<\/span>) \uff0c\u90a3\u4e48\u7528Trie\u6811\u5c31\u4e0d\u4e00\u6837\u4e86\uff0c\u5b83\u53ef\u4ee5\u505a\u5230h\uff0ch\u4e3a\u4f60\u68c0\u7d22\u5355\u8bcd\u7684\u957f\u5ea6\uff0c<\/span>\n<\/p>\n

\n\t            \u53ef\u4ee5\u8bf4\u8fd9\u662f\u79d2\u6740\u7684\u6548\u679c\u3002<\/span>\n<\/p>\n

\n\t\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u73b0\u6709\u4e00\u4e2a\u7f16\u53f7\u4e3a1\u7684\u5b57\u7b26\u4e32\u201dand\u201c\uff0c\u6211\u4eec\u8981\u63d2\u5165\u5230trie\u6811\u4e2d\uff0c\u91c7\u7528\u52a8\u6001\u89c4\u5212\u7684\u601d\u60f3\uff0c\u5c06\u7f16\u53f7\u201d1\u201c\u8ba1\u5165\u5230\u6bcf\u4e2a\u9014\u5f84\u7684\u8282\u70b9\u4e2d\uff0c<\/span>\n<\/p>\n

\n\t              \u90a3\u4e48\u4ee5\u540e\u6211\u4eec\u8981\u627e\u201da\u201c\uff0c\u201dan\u201c\uff0c\u201dand”\u4e3a\u524d\u7f00\u7684\u5b57\u7b26\u4e32\u7684\u7f16\u53f7\u5c06\u4f1a\u8f7b\u800c\u6613\u4e3e\u3002<\/span>\n<\/p>\n

\n\t\"\"\n<\/p>\n

\n\t <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\n\tTrie\u6811\u7684\u540d\u5b57\u6709\u5f88\u591a\uff0c\u6bd4\u5982\u5b57\u5178\u6811\uff0c\u524d\u7f00\u6811\u7b49\u7b49\u3002\n<\/p>\n

\n\t\u4e00\uff1a\u6982\u5ff5\n<\/p>\n

\n\t     \u4e0b\u9762\u6211\u4eec\u6709and,as,at,cn,com\u8fd9\u4e9b\u5173\u952e\u8bcd\uff0c\u90a3\u4e48\u5982\u4f55\u6784\u5efatrie\u6811\u5462\uff1f\n<\/p>\n

\n\t\"\"\n<\/p>\n

\n\t\u4ece\u4e0a\u9762\u7684\u56fe\u4e2d\uff0c\u6211\u4eec\u6216\u591a\u6216\u5c11\u7684\u53ef\u4ee5\u53d1\u73b0\u4e00\u4e9b\u597d\u73a9\u7684\u7279\u6027\u3002\n<\/p>\n

\n\t      \u7b2c\u4e00\uff1a\u6839\u8282\u70b9\u4e0d\u5305\u542b\u5b57\u7b26\uff0c\u9664\u6839\u8282\u70b9\u5916\u7684\u6bcf\u4e00\u4e2a\u5b50\u8282\u70b9\u90fd\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u3002\n<\/p>\n

\n\t …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[326],"tags":[],"class_list":["post-143","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\nTrie\u6811 - Wayne's Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/weizn.net\/?p=143\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Trie\u6811 - Wayne's Blog\" \/>\n<meta property=\"og:description\" content=\"Trie\u6811\u7684\u540d\u5b57\u6709\u5f88\u591a\uff0c\u6bd4\u5982\u5b57\u5178\u6811\uff0c\u524d\u7f00\u6811\u7b49\u7b49\u3002 \u4e00\uff1a\u6982\u5ff5      \u4e0b\u9762\u6211\u4eec\u6709and,as,at,cn,com\u8fd9\u4e9b\u5173\u952e\u8bcd\uff0c\u90a3\u4e48\u5982\u4f55\u6784\u5efatrie\u6811\u5462\uff1f \u4ece\u4e0a\u9762\u7684\u56fe\u4e2d\uff0c\u6211\u4eec\u6216\u591a\u6216\u5c11\u7684\u53ef\u4ee5\u53d1\u73b0\u4e00\u4e9b\u597d\u73a9\u7684\u7279\u6027\u3002       \u7b2c\u4e00\uff1a\u6839\u8282\u70b9\u4e0d\u5305\u542b\u5b57\u7b26\uff0c\u9664\u6839\u8282\u70b9\u5916\u7684\u6bcf\u4e00\u4e2a\u5b50\u8282\u70b9\u90fd\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u3002  ...\" \/>\n<meta property=\"og:url\" content=\"http:\/\/weizn.net\/?p=143\" \/>\n<meta property=\"og:site_name\" content=\"Wayne's Blog\" \/>\n<meta property=\"article:published_time\" content=\"2014-08-13T16:17:28+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"zinan\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"http:\/\/weizn.net\/#website\",\"url\":\"http:\/\/weizn.net\/\",\"name\":\"Wayne's Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/weizn.net\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"ImageObject\",\"@id\":\"http:\/\/weizn.net\/?p=143#primaryimage\",\"inLanguage\":\"zh-Hans\",\"url\":\"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png\",\"contentUrl\":\"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/weizn.net\/?p=143#webpage\",\"url\":\"http:\/\/weizn.net\/?p=143\",\"name\":\"Trie\\u6811 - Wayne's Blog\",\"isPartOf\":{\"@id\":\"http:\/\/weizn.net\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\/\/weizn.net\/?p=143#primaryimage\"},\"datePublished\":\"2014-08-13T16:17:28+00:00\",\"dateModified\":\"2014-08-13T16:17:28+00:00\",\"breadcrumb\":{\"@id\":\"http:\/\/weizn.net\/?p=143#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/weizn.net\/?p=143\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/weizn.net\/?p=143#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\\u9996\\u9875\",\"item\":\"http:\/\/weizn.net\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Trie\\u6811\"}]},{\"@type\":\"Article\",\"@id\":\"http:\/\/weizn.net\/?p=143#article\",\"isPartOf\":{\"@id\":\"http:\/\/weizn.net\/?p=143#webpage\"},\"author\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"headline\":\"Trie\\u6811\",\"datePublished\":\"2014-08-13T16:17:28+00:00\",\"dateModified\":\"2014-08-13T16:17:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/weizn.net\/?p=143#webpage\"},\"wordCount\":87,\"commentCount\":0,\"publisher\":{\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\"},\"image\":{\"@id\":\"http:\/\/weizn.net\/?p=143#primaryimage\"},\"thumbnailUrl\":\"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png\",\"articleSection\":[\"\\u6570\\u636e\\u7ed3\\u6784\\u53ca\\u7b97\\u6cd5\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\/\/weizn.net\/?p=143#respond\"]}]},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264\",\"name\":\"zinan\",\"logo\":{\"@id\":\"http:\/\/weizn.net\/#personlogo\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Trie\u6811 - Wayne's Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/weizn.net\/?p=143","og_locale":"zh_CN","og_type":"article","og_title":"Trie\u6811 - Wayne's Blog","og_description":"Trie\u6811\u7684\u540d\u5b57\u6709\u5f88\u591a\uff0c\u6bd4\u5982\u5b57\u5178\u6811\uff0c\u524d\u7f00\u6811\u7b49\u7b49\u3002 \u4e00\uff1a\u6982\u5ff5      \u4e0b\u9762\u6211\u4eec\u6709and,as,at,cn,com\u8fd9\u4e9b\u5173\u952e\u8bcd\uff0c\u90a3\u4e48\u5982\u4f55\u6784\u5efatrie\u6811\u5462\uff1f \u4ece\u4e0a\u9762\u7684\u56fe\u4e2d\uff0c\u6211\u4eec\u6216\u591a\u6216\u5c11\u7684\u53ef\u4ee5\u53d1\u73b0\u4e00\u4e9b\u597d\u73a9\u7684\u7279\u6027\u3002       \u7b2c\u4e00\uff1a\u6839\u8282\u70b9\u4e0d\u5305\u542b\u5b57\u7b26\uff0c\u9664\u6839\u8282\u70b9\u5916\u7684\u6bcf\u4e00\u4e2a\u5b50\u8282\u70b9\u90fd\u5305\u542b\u4e00\u4e2a\u5b57\u7b26\u3002  ...","og_url":"http:\/\/weizn.net\/?p=143","og_site_name":"Wayne's Blog","article_published_time":"2014-08-13T16:17:28+00:00","og_image":[{"url":"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png"}],"twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"zinan"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebSite","@id":"http:\/\/weizn.net\/#website","url":"http:\/\/weizn.net\/","name":"Wayne's Blog","description":"","publisher":{"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"http:\/\/weizn.net\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"ImageObject","@id":"http:\/\/weizn.net\/?p=143#primaryimage","inLanguage":"zh-Hans","url":"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png","contentUrl":"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png"},{"@type":"WebPage","@id":"http:\/\/weizn.net\/?p=143#webpage","url":"http:\/\/weizn.net\/?p=143","name":"Trie\u6811 - Wayne's Blog","isPartOf":{"@id":"http:\/\/weizn.net\/#website"},"primaryImageOfPage":{"@id":"http:\/\/weizn.net\/?p=143#primaryimage"},"datePublished":"2014-08-13T16:17:28+00:00","dateModified":"2014-08-13T16:17:28+00:00","breadcrumb":{"@id":"http:\/\/weizn.net\/?p=143#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["http:\/\/weizn.net\/?p=143"]}]},{"@type":"BreadcrumbList","@id":"http:\/\/weizn.net\/?p=143#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"http:\/\/weizn.net\/"},{"@type":"ListItem","position":2,"name":"Trie\u6811"}]},{"@type":"Article","@id":"http:\/\/weizn.net\/?p=143#article","isPartOf":{"@id":"http:\/\/weizn.net\/?p=143#webpage"},"author":{"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264"},"headline":"Trie\u6811","datePublished":"2014-08-13T16:17:28+00:00","dateModified":"2014-08-13T16:17:28+00:00","mainEntityOfPage":{"@id":"http:\/\/weizn.net\/?p=143#webpage"},"wordCount":87,"commentCount":0,"publisher":{"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264"},"image":{"@id":"http:\/\/weizn.net\/?p=143#primaryimage"},"thumbnailUrl":"http:\/\/www.weizn.net\/content\/uploadfile\/201508\/392df2fdc2edde8af1aa6f6752e3ee6a20150813151947.png","articleSection":["\u6570\u636e\u7ed3\u6784\u53ca\u7b97\u6cd5"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["http:\/\/weizn.net\/?p=143#respond"]}]},{"@type":["Person","Organization"],"@id":"http:\/\/weizn.net\/#\/schema\/person\/e88bc12c590502d8b6249326f960b264","name":"zinan","logo":{"@id":"http:\/\/weizn.net\/#personlogo"}}]}},"_links":{"self":[{"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/posts\/143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=143"}],"version-history":[{"count":0,"href":"http:\/\/weizn.net\/index.php?rest_route=\/wp\/v2\/posts\/143\/revisions"}],"wp:attachment":[{"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=143"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/weizn.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}