C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/27690\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c(Euler’s Totient Function) \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc22b\uc790 n\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, n\ubcf4\ub2e4 \uc791\uac70\ub098 \uac19\uc740 \uc815\uc218 \uc911\uc5d0\uc11c n\uacfc \uc11c\ub85c\uc18c\uc778 \uc815\uc218\uc758 \uac1c\uc218\ub97c \uad6c\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub780? \uc624\uc77c\ub7ec \ud53c \ud568\uc218 \u03c6(n)\uc740 \uc22b\uc790 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc22b\uc790\ub4e4\uc758 \uac1c\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4: \u03c6(1) = 1 (1\uc740 \ud56d\uc0c1 \uc790\uc2e0\uacfc \uc11c\ub85c\uc18c) \u03c6(2) … \ub354 \ubcf4\uae30 "C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/27690\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-27T14:43:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T07:16:09+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\",\"datePublished\":\"2024-10-27T14:43:06+00:00\",\"dateModified\":\"2024-11-26T07:16:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/\"},\"wordCount\":65,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/\",\"url\":\"https:\/\/atmokpo.com\/w\/27690\/\",\"name\":\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#website\"},\"datePublished\":\"2024-10-27T14:43:06+00:00\",\"dateModified\":\"2024-11-26T07:16:09+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/atmokpo.com\/w\/27690\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\ud648\",\"item\":\"https:\/\/atmokpo.com\/w\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/atmokpo.com\/w\/#website\",\"url\":\"https:\/\/atmokpo.com\/w\/\",\"name\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/atmokpo.com\/w\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\",\"name\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"url\":\"https:\/\/atmokpo.com\/w\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png\",\"contentUrl\":\"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png\",\"width\":400,\"height\":400,\"caption\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\"},\"image\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/bebubo4\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\",\"name\":\"root\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g\",\"caption\":\"root\"},\"sameAs\":[\"http:\/\/atmokpo.com\/w\"],\"url\":\"https:\/\/atmokpo.com\/w\/author\/root\/\"}]}<\/script>\n","yoast_head_json":{"title":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","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":"https:\/\/atmokpo.com\/w\/27690\/","og_locale":"ko_KR","og_type":"article","og_title":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c(Euler’s Totient Function) \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc22b\uc790 n\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, n\ubcf4\ub2e4 \uc791\uac70\ub098 \uac19\uc740 \uc815\uc218 \uc911\uc5d0\uc11c n\uacfc \uc11c\ub85c\uc18c\uc778 \uc815\uc218\uc758 \uac1c\uc218\ub97c \uad6c\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub780? \uc624\uc77c\ub7ec \ud53c \ud568\uc218 \u03c6(n)\uc740 \uc22b\uc790 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc22b\uc790\ub4e4\uc758 \uac1c\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4: \u03c6(1) = 1 (1\uc740 \ud56d\uc0c1 \uc790\uc2e0\uacfc \uc11c\ub85c\uc18c) \u03c6(2) … \ub354 \ubcf4\uae30 \"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\"","og_url":"https:\/\/atmokpo.com\/w\/27690\/","og_site_name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","article_published_time":"2024-10-27T14:43:06+00:00","article_modified_time":"2024-11-26T07:16:09+00:00","author":"root","twitter_card":"summary_large_image","twitter_creator":"@bebubo4","twitter_site":"@bebubo4","twitter_misc":{"\uae00\uc4f4\uc774":"root","\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"1\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/atmokpo.com\/w\/27690\/#article","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/27690\/"},"author":{"name":"root","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7"},"headline":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c","datePublished":"2024-10-27T14:43:06+00:00","dateModified":"2024-11-26T07:16:09+00:00","mainEntityOfPage":{"@id":"https:\/\/atmokpo.com\/w\/27690\/"},"wordCount":65,"publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"articleSection":["C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/atmokpo.com\/w\/27690\/","url":"https:\/\/atmokpo.com\/w\/27690\/","name":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/#website"},"datePublished":"2024-10-27T14:43:06+00:00","dateModified":"2024-11-26T07:16:09+00:00","breadcrumb":{"@id":"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/atmokpo.com\/w\/27690\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\ud648","item":"https:\/\/atmokpo.com\/w\/en\/"},{"@type":"ListItem","position":2,"name":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"}]},{"@type":"WebSite","@id":"https:\/\/atmokpo.com\/w\/#website","url":"https:\/\/atmokpo.com\/w\/","name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","description":"","publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/atmokpo.com\/w\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/atmokpo.com\/w\/#organization","name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","url":"https:\/\/atmokpo.com\/w\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/","url":"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png","contentUrl":"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png","width":400,"height":400,"caption":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8"},"image":{"@id":"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/bebubo4"]},{"@type":"Person","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7","name":"root","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g","caption":"root"},"sameAs":["http:\/\/atmokpo.com\/w"],"url":"https:\/\/atmokpo.com\/w\/author\/root\/"}]}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/27690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/comments?post=27690"}],"version-history":[{"count":1,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/27690\/revisions"}],"predecessor-version":[{"id":27691,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/27690\/revisions\/27691"}],"wp:attachment":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/media?parent=27690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/categories?post=27690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/tags?post=27690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":27690,"date":"2024-10-27T14:43:06","date_gmt":"2024-10-27T14:43:06","guid":{"rendered":"http:\/\/atmokpo.com\/w\/?p=27690"},"modified":"2024-11-26T07:16:09","modified_gmt":"2024-11-26T07:16:09","slug":"c-%ec%bd%94%eb%94%a9%ed%85%8c%ec%8a%a4%ed%8a%b8-%ea%b0%95%ec%a2%8c-%ec%98%a4%ec%9d%bc%eb%9f%ac-%ed%94%bc-2","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/27690\/","title":{"rendered":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"},"content":{"rendered":"

<\/p>\n

\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c(Euler’s Totient Function) \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc22b\uc790 n\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, n\ubcf4\ub2e4 \uc791\uac70\ub098 \uac19\uc740 \uc815\uc218 \uc911\uc5d0\uc11c n\uacfc \uc11c\ub85c\uc18c\uc778 \uc815\uc218\uc758 \uac1c\uc218\ub97c \uad6c\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4.<\/p>\n

\uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub780?<\/h2>\n

\uc624\uc77c\ub7ec \ud53c \ud568\uc218 \u03c6(n)\uc740 \uc22b\uc790 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc22b\uc790\ub4e4\uc758 \uac1c\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:<\/p>\n

\u03c6(1) = 1 (1\uc740 \ud56d\uc0c1 \uc790\uc2e0\uacfc \uc11c\ub85c\uc18c)<\/li>\n
\u03c6(2) = 1 (2\ubcf4\ub2e4 \uc791\uc740 \uc218 \uc911 2\uc640 \uc11c\ub85c\uc18c\uc778 \uc218\ub294 1)<\/li>\n
\u03c6(3) = 2 (1\uacfc 2\uac00 3\uacfc \uc11c\ub85c\uc18c)<\/li>\n
\u03c6(4) = 2 (1\uacfc 3\uc774 4\uc640 \uc11c\ub85c\uc18c)<\/li>\n

\u03c6(5) = 4 (1, 2, 3, 4\uac00 5\uc640 \uc11c\ub85c\uc18c)<\/li>\n<\/ul>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n
\uc8fc\uc5b4\uc9c4 n\uc5d0 \ub300\ud574 \u03c6(n)\uc758 \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc744 \uc791\uc131\ud558\uc138\uc694. \uc785\ub825\uc740 \uc815\uc218 n (1 \u2264 n \u2264 10^{6<\/sup>)\uc785\ub2c8\ub2e4.<\/p>\n}

\uc608\uc81c \uc785\ub825<\/h3>\n

10<\/code><\/pre>\n\uc608\uc81c \ucd9c\ub825<\/h3>\n4<\/code><\/pre>\nExplanation: 1, 3, 7, 9\uac00 10\uacfc \uc11c\ub85c\uc18c\uc785\ub2c8\ub2e4.<\/p>\n
\ubb38\uc81c\ub97c \ud478\ub294 \uacfc\uc815<\/h2>\n
1\ub2e8\uacc4: \ud504\ub85c\ud37c\ud2f0 \uc774\ud574\ud558\uae30<\/h3>\n\uc624\uc77c\ub7ec \ud53c \ud568\uc218\uc758 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud504\ub85c\ud37c\ud2f0\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\np\uac00 \uc18c\uc218\uc77c \ub54c, \u03c6(p) = p – 1<\/li>\n
p\uac00 \uc18c\uc218\uc77c \ub54c, \u03c6(p^{k<\/sup>) = p^{k<\/sup> – p^{k-1<\/sup> = p^{k<\/sup>(1 – 1\/p)<\/li>\n}}}}
\ub450 \uc18c\uc218 p\uc640 q\uac00 \uc11c\ub85c\uc18c\uc77c \ub54c, \u03c6(p*q) = \u03c6(p) * \u03c6(q)<\/li>\n<\/ul>\n2\ub2e8\uacc4: \uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uc758 \uccb4\ub97c \ud65c\uc6a9\ud55c \uad6c\uac04 \uacc4\uc0b0<\/h3>\nn\uae4c\uc9c0\uc758 \ubaa8\ub4e0 \uc218\uc758 \uc624\uc77c\ub7ec \ud53c \uac12\uc744 \uad6c\ud558\uae30 \uc704\ud574, \uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uc758 \uccb4 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud569\uc131\uc218\ub97c \ucc3e\uc544\uace0, \ud53c \uac12\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \uc2dc\uac04\ubcf5\uc7a1\ub3c4\uac00 O(n log log n)\uc785\ub2c8\ub2e4.<\/p>\n
3\ub2e8\uacc4: \uc54c\uace0\ub9ac\uc998 \uad6c\ud604<\/h3>\n\ub2e4\uc74c\uc740 C++\ub85c \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub97c \uacc4\uc0b0\ud558\uae30 \uc704\ud55c \uad6c\ud604\uc785\ub2c8\ub2e4:<\/p>\n
\n#include <iostream>\n#include <vector>\n\nusing namespace std;\n\nvoid eulerTotient(int n, vector<int>& phi) {\n    for (int i = 0; i <= n; i++) {\n        phi[i] = i; \/\/ initialize phi\n    }\n    for (int i = 2; i <= n; i++) {\n        if (phi[i] == i) { \/\/ i\uac00 \uc18c\uc218\uc778 \uacbd\uc6b0\n            for (int j = i; j <= n; j += i) {\n                phi[j] *= (i - 1); \/\/ \uc18c\uc218 p\uac00 \ub4e4\uc5b4\uac00\ubbc0\ub85c (1 - 1\/p) \uacf1\ud558\uae30\n                phi[j] \/= i;\n            }\n        }\n    }\n}\n\nint main() {\n    int n;\n    cout << \"n\uc758 \uac12\uc744 \uc785\ub825\ud558\uc138\uc694: \";\n    cin >> n;\n\n    vector<int> phi(n + 1);\n    eulerTotient(n, phi);\n\n    cout << \"\u03c6(\" << n << \") = \" << phi[n] << endl;\n    return 0;\n}\n    <\/code><\/pre>\n4\ub2e8\uacc4: \ucf54\ub4dc \uc124\uba85<\/h3>\n\uc704 \ucf54\ub4dc\uc5d0\uc11c:<\/p>\n
\n\uccab \ubc88\uc9f8\ub85c, \uac01 \uc218\uc5d0 \ub300\ud574 \u03c6[i]\ub97c \ucd08\uae30\ud654\ud569\ub2c8\ub2e4.<\/li>\n
\uadf8 \ub2e4\uc74c\uc73c\ub85c, \uc18c\uc218 i\ub97c \ucc3e\uc544\uc11c \ubaa8\ub4e0 \ubc30\uc218 j\uc5d0 \ub300\ud574 \u03c6[j]\ub97c \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/li>\n
\ucd5c\uc885\uc801\uc73c\ub85c, n\uc758 \uc624\uc77c\ub7ec \ud53c \uac12\uc740 \u03c6[n]\uc5d0 \uc800\uc7a5\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n5\ub2e8\uacc4: \uc131\ub2a5 \uac1c\uc120<\/h3>\n\uc774 \uc54c\uace0\ub9ac\uc998\uc740 O(n log log n)\uc758 \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. \uc774\ub294 \ucd5c\ub300 10^{6<\/sup> \ubc94\uc704\uc5d0\uc11c\ub3c4 \ud6a8\uc728\uc801\uc73c\ub85c \ub3d9\uc791\ud569\ub2c8\ub2e4.<\/p>\n}
\uacb0\ub860<\/h2>\n\uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc744 \ub2e4\ub918\uc2b5\ub2c8\ub2e4. \uc5d0\ub77c\ud1a0\uc2a4\ud14c\ub124\uc2a4\uc758 \uccb4\ub97c \uc774\uc6a9\ud55c \ubc29\ubc95\uc740 \ube60\ub974\uace0 \uc720\uc6a9\ud558\uba70, \ucf54\ub529 \ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub3c4 \uc720\uc6a9\ud558\uac8c \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ub2e4\uc591\ud55c \uc54c\uace0\ub9ac\uc998\uc744 \uacf5\ubd80\ud558\uba70 \ucf54\ub529 \uc2e4\ub825\uc744 \ud0a4\uc6cc\ubcf4\uc138\uc694!<\/p>\n
\ucc38\uace0 \ubb38\ud5cc<\/h2>\n\nEuler’s Totient Function – Wikipedia<\/a><\/li>\n
GeeksforGeeks – Euler’s Totient Function<\/a><\/li>\n<\/ul>\n<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c(Euler’s Totient Function) \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc22b\uc790 n\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, n\ubcf4\ub2e4 \uc791\uac70\ub098 \uac19\uc740 \uc815\uc218 \uc911\uc5d0\uc11c n\uacfc \uc11c\ub85c\uc18c\uc778 \uc815\uc218\uc758 \uac1c\uc218\ub97c \uad6c\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub780? \uc624\uc77c\ub7ec \ud53c \ud568\uc218 \u03c6(n)\uc740 \uc22b\uc790 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc22b\uc790\ub4e4\uc758 \uac1c\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4: \u03c6(1) = 1 (1\uc740 \ud56d\uc0c1 \uc790\uc2e0\uacfc \uc11c\ub85c\uc18c) \u03c6(2) … \ub354 \ubcf4\uae30 “C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-27690","post","type-post","status-publish","format-standard","hentry","category-c---2"],"yoast_head":"\nC++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/27690\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c(Euler’s Totient Function) \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc22b\uc790 n\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, n\ubcf4\ub2e4 \uc791\uac70\ub098 \uac19\uc740 \uc815\uc218 \uc911\uc5d0\uc11c n\uacfc \uc11c\ub85c\uc18c\uc778 \uc815\uc218\uc758 \uac1c\uc218\ub97c \uad6c\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub780? \uc624\uc77c\ub7ec \ud53c \ud568\uc218 \u03c6(n)\uc740 \uc22b\uc790 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc22b\uc790\ub4e4\uc758 \uac1c\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4: \u03c6(1) = 1 (1\uc740 \ud56d\uc0c1 \uc790\uc2e0\uacfc \uc11c\ub85c\uc18c) \u03c6(2) … \ub354 \ubcf4\uae30 "C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/27690\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-27T14:43:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T07:16:09+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\",\"datePublished\":\"2024-10-27T14:43:06+00:00\",\"dateModified\":\"2024-11-26T07:16:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/\"},\"wordCount\":65,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/\",\"url\":\"https:\/\/atmokpo.com\/w\/27690\/\",\"name\":\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#website\"},\"datePublished\":\"2024-10-27T14:43:06+00:00\",\"dateModified\":\"2024-11-26T07:16:09+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/atmokpo.com\/w\/27690\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\ud648\",\"item\":\"https:\/\/atmokpo.com\/w\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/atmokpo.com\/w\/#website\",\"url\":\"https:\/\/atmokpo.com\/w\/\",\"name\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/atmokpo.com\/w\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\",\"name\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"url\":\"https:\/\/atmokpo.com\/w\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png\",\"contentUrl\":\"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png\",\"width\":400,\"height\":400,\"caption\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\"},\"image\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/bebubo4\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\",\"name\":\"root\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g\",\"caption\":\"root\"},\"sameAs\":[\"http:\/\/atmokpo.com\/w\"],\"url\":\"https:\/\/atmokpo.com\/w\/author\/root\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","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":"https:\/\/atmokpo.com\/w\/27690\/","og_locale":"ko_KR","og_type":"article","og_title":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"\uc548\ub155\ud558\uc138\uc694! \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 C++\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc624\uc77c\ub7ec \ud53c(Euler’s Totient Function) \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \ubb38\uc81c\ub294 \uc22b\uc790 n\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, n\ubcf4\ub2e4 \uc791\uac70\ub098 \uac19\uc740 \uc815\uc218 \uc911\uc5d0\uc11c n\uacfc \uc11c\ub85c\uc18c\uc778 \uc815\uc218\uc758 \uac1c\uc218\ub97c \uad6c\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc624\uc77c\ub7ec \ud53c \ud568\uc218\ub780? \uc624\uc77c\ub7ec \ud53c \ud568\uc218 \u03c6(n)\uc740 \uc22b\uc790 n\uacfc \uc11c\ub85c\uc18c\uc778 \uc22b\uc790\ub4e4\uc758 \uac1c\uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4: \u03c6(1) = 1 (1\uc740 \ud56d\uc0c1 \uc790\uc2e0\uacfc \uc11c\ub85c\uc18c) \u03c6(2) … \ub354 \ubcf4\uae30 \"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c\"","og_url":"https:\/\/atmokpo.com\/w\/27690\/","og_site_name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","article_published_time":"2024-10-27T14:43:06+00:00","article_modified_time":"2024-11-26T07:16:09+00:00","author":"root","twitter_card":"summary_large_image","twitter_creator":"@bebubo4","twitter_site":"@bebubo4","twitter_misc":{"\uae00\uc4f4\uc774":"root","\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"1\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/atmokpo.com\/w\/27690\/#article","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/27690\/"},"author":{"name":"root","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7"},"headline":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c","datePublished":"2024-10-27T14:43:06+00:00","dateModified":"2024-11-26T07:16:09+00:00","mainEntityOfPage":{"@id":"https:\/\/atmokpo.com\/w\/27690\/"},"wordCount":65,"publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"articleSection":["C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/atmokpo.com\/w\/27690\/","url":"https:\/\/atmokpo.com\/w\/27690\/","name":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/#website"},"datePublished":"2024-10-27T14:43:06+00:00","dateModified":"2024-11-26T07:16:09+00:00","breadcrumb":{"@id":"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/atmokpo.com\/w\/27690\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/atmokpo.com\/w\/27690\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\ud648","item":"https:\/\/atmokpo.com\/w\/en\/"},{"@type":"ListItem","position":2,"name":"C++ \ucf54\ub529\ud14c\uc2a4\ud2b8 \uac15\uc88c, \uc624\uc77c\ub7ec \ud53c"}]},{"@type":"WebSite","@id":"https:\/\/atmokpo.com\/w\/#website","url":"https:\/\/atmokpo.com\/w\/","name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","description":"","publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/atmokpo.com\/w\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/atmokpo.com\/w\/#organization","name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","url":"https:\/\/atmokpo.com\/w\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/","url":"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png","contentUrl":"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png","width":400,"height":400,"caption":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8"},"image":{"@id":"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/bebubo4"]},{"@type":"Person","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7","name":"root","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g","caption":"root"},"sameAs":["http:\/\/atmokpo.com\/w"],"url":"https:\/\/atmokpo.com\/w\/author\/root\/"}]}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/27690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/comments?post=27690"}],"version-history":[{"count":1,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/27690\/revisions"}],"predecessor-version":[{"id":27691,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/27690\/revisions\/27691"}],"wp:attachment":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/media?parent=27690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/categories?post=27690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/tags?post=27690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

\ubb38\uc81c \uc124\uba85<\/h2>\n\uc8fc\uc5b4\uc9c4 n\uc5d0 \ub300\ud574 \u03c6(n)\uc758 \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc744 \uc791\uc131\ud558\uc138\uc694. \uc785\ub825\uc740 \uc815\uc218 n (1 \u2264 n \u2264 106<\/sup>)\uc785\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c\ub97c \ud478\ub294 \uacfc\uc815<\/h2>\n

5\ub2e8\uacc4: \uc131\ub2a5 \uac1c\uc120<\/h3>\n\uc774 \uc54c\uace0\ub9ac\uc998\uc740 O(n log log n)\uc758 \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. \uc774\ub294 \ucd5c\ub300 106<\/sup> \ubc94\uc704\uc5d0\uc11c\ub3c4 \ud6a8\uc728\uc801\uc73c\ub85c \ub3d9\uc791\ud569\ub2c8\ub2e4.<\/p>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n
\uc8fc\uc5b4\uc9c4 n\uc5d0 \ub300\ud574 \u03c6(n)\uc758 \uac12\uc744 \uacc4\uc0b0\ud558\ub294 \uc54c\uace0\ub9ac\uc998\uc744 \uc791\uc131\ud558\uc138\uc694. \uc785\ub825\uc740 \uc815\uc218 n (1 \u2264 n \u2264 10^{6<\/sup>)\uc785\ub2c8\ub2e4.<\/p>\n}

5\ub2e8\uacc4: \uc131\ub2a5 \uac1c\uc120<\/h3>\n
\uc774 \uc54c\uace0\ub9ac\uc998\uc740 O(n log log n)\uc758 \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. \uc774\ub294 \ucd5c\ub300 10^{6<\/sup> \ubc94\uc704\uc5d0\uc11c\ub3c4 \ud6a8\uc728\uc801\uc73c\ub85c \ub3d9\uc791\ud569\ub2c8\ub2e4.<\/p>\n}