{"id":3337,"date":"2022-07-29T11:07:42","date_gmt":"2022-07-29T08:07:42","guid":{"rendered":"https:\/\/demensdeum.com\/blog\/?p=3337"},"modified":"2024-12-16T22:32:18","modified_gmt":"2024-12-16T19:32:18","slug":"binary-insertion-sort","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/ja\/2022\/07\/29\/binary-insertion-sort\/","title":{"rendered":"\u30d0\u30a4\u30ca\u30ea\u633f\u5165\u30bd\u30fc\u30c8"},"content":{"rendered":"<p>\u4e8c\u5206\u633f\u5165\u30bd\u30fc\u30c8\u306f\u3001\u4e8c\u5206\u691c\u7d22\u3092\u4f7f\u7528\u3057\u3066\u633f\u5165\u4f4d\u7f6e\u3092\u6c7a\u5b9a\u3059\u308b\u633f\u5165\u30bd\u30fc\u30c8\u306e\u5909\u5f62\u3067\u3059\u3002\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u6642\u9593\u8a08\u7b97\u91cf\u306f O(n<sup>2<\/sup>) \u3067\u3059<\/p>\n<p>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u6b21\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059:<\/p>\n<p><\u30aa\u30eb><\/p>\n<li>\u30eb\u30fc\u30d7\u306f 0 \u304b\u3089\u30ea\u30b9\u30c8\u306e\u6700\u5f8c\u307e\u3067\u59cb\u307e\u308a\u307e\u3059<\/li>\n<li>\u30eb\u30fc\u30d7\u5185\u3067\u3001\u4e26\u3079\u66ff\u3048\u306e\u305f\u3081\u306b\u6570\u5024\u304c\u9078\u629e\u3055\u308c\u3001\u305d\u306e\u6570\u5024\u306f\u5225\u306e\u5909\u6570\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059<\/li>\n<li>\u4e8c\u5206\u691c\u7d22\u3067\u306f\u3001\u5de6\u5074\u306e\u6570\u5024\u306b\u5bfe\u3057\u3066\u3053\u306e\u6570\u5024\u3092\u633f\u5165\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u691c\u7d22\u3055\u308c\u307e\u3059<\/li>\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u898b\u3064\u304b\u308b\u3068\u3001\u633f\u5165\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u958b\u59cb\u3057\u3066\u3001\u5de6\u5074\u306e\u6570\u5b57\u304c 1 \u3064\u53f3\u306b\u30b7\u30d5\u30c8\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u904e\u7a0b\u3067\u3001\u4e26\u3079\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u6570\u5024\u306f\u6d88\u53bb\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u4ee5\u524d\u306b\u4fdd\u5b58\u3057\u305f\u756a\u53f7\u304c\u633f\u5165\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u633f\u5165\u3055\u308c\u307e\u3059<\/li>\n<li>\u30eb\u30fc\u30d7\u306e\u6700\u5f8c\u3067\u3001\u30ea\u30b9\u30c8\u5168\u4f53\u304c\u4e26\u3079\u66ff\u3048\u3089\u308c\u307e\u3059<\/li>\n<\/ol>\n<p>\u30d0\u30a4\u30ca\u30ea\u691c\u7d22\u4e2d\u306b\u3001\u6570\u5024\u304c\u898b\u3064\u304b\u3089\u305a\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8fd4\u3055\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e8c\u5206\u691c\u7d22\u306e\u7279\u6b8a\u6027\u306b\u3088\u308a\u3001\u691c\u7d22\u3055\u308c\u305f\u6570\u5024\u306b\u6700\u3082\u8fd1\u3044\u6570\u5024\u304c\u691c\u7d22\u3055\u308c\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3059\u306b\u306f\u3001\u305d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6c42\u3081\u305f\u6570\u5024\u3068\u6bd4\u8f03\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6c42\u3081\u305f\u6570\u5024\u304c\u5c0f\u3055\u3044\u5834\u5408\u3001\u6c42\u3081\u305f\u6570\u5024\u306f\u6b21\u306e\u4f4d\u7f6e\u306b\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u5de6\u5074\u306b\u3042\u308a\u3001\u305d\u308c\u4ee5\u4e0a\u306e\u5834\u5408\u306f\u53f3\u5074\u306b\u3042\u308a\u307e\u3059\u3002<\/p >\n<p>Go \u30b3\u30fc\u30c9:<\/p>\n<div class=\"hcb_wrap\">\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>\nimport (\n\t\"fmt\"\n\t\"math\/rand\"\n\t\"time\"\n)\n\nconst numbersCount = 20\nconst maximalNumber = 100\n\nfunc binarySearch(numbers []int, item int, low int, high int) int {\n\tfor high &gt; low {\n\t\tcenter := (low + high) \/ 2\n\t\tif numbers[center] &lt; item { low = center + 1 } else if numbers[center] &gt; item {\n\t\t\thigh = center - 1\n\t\t} else {\n\t\t\treturn center\n\t\t}\n\t}\n\n\tif numbers[low] &lt; item {\n\t\treturn low + 1\n\t} else {\n\t\treturn low\n\t}\n}\n\nfunc main() {\n\trand.Seed(time.Now().Unix())\n\tvar numbers [numbersCount]int\n\tfor i := 0; i &lt; numbersCount; i++ {\n\t\tnumbers[i] = rand.Intn(maximalNumber)\n\t}\n\tfmt.Println(numbers)\n\n\tfor i := 1; i &lt; len(numbers); i++ { searchAreaLastIndex := i - 1 insertNumber := numbers[i] insertIndex := binarySearch(numbers[:], insertNumber, 0, searchAreaLastIndex) for x := searchAreaLastIndex; x &gt;= insertIndex; x-- {\n\t\t\tnumbers[x+1] = numbers[x]\n\t\t}\n\t\tnumbers[insertIndex] = insertNumber\n\t}\n\tfmt.Println(numbers)\n}\n<\/code><\/pre>\n<\/div>\n<\/div>\n<h3>\u30ea\u30f3\u30af<\/h3>\n<p><a href=\"https:\/\/gitlab.com\/demensdeum\/algorithms\/-\/blob\/master\/sortAlgorithms\/binaryInsertionSort\/binaryInsertionSort.go\" target=\"_blank\" rel=\"noopener\">https:\/\/gitlab.com\/demensdeum\/algorithms\/-\/blob\/master\/sortAlgorithms\/binaryInsertionSort\/binaryInsertionSort.go<\/a><\/p>\n<h3>\u30bd\u30fc\u30b9<\/h3>\n<p><a href=\"https:\/\/www.geeksforgeeks.org\/binary-insertion-sort\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.geeksforgeeks.org\/binary-insertion-\u4e26\u3079\u66ff\u3048\/<\/a><br \/><a href=\"https:\/\/www.youtube.com\/watch?v=-OVB5pOZJug\" target=\"_blank\" rel=\"noopener\">https:\/\/www.youtube.com\/watch?v=-OVB5pOZJug<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e8c\u5206\u633f\u5165\u30bd\u30fc\u30c8\u306f\u3001\u4e8c\u5206\u691c\u7d22\u3092\u4f7f\u7528\u3057\u3066\u633f\u5165\u4f4d\u7f6e\u3092\u6c7a\u5b9a\u3059\u308b\u633f\u5165\u30bd\u30fc\u30c8\u306e\u5909\u5f62\u3067\u3059\u3002\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u6642\u9593\u8a08\u7b97\u91cf\u306f O(n2) \u3067\u3059 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u6b21\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059: \u30eb\u30fc\u30d7\u306f 0 \u304b\u3089\u30ea\u30b9\u30c8\u306e\u6700\u5f8c\u307e\u3067\u59cb\u307e\u308a\u307e\u3059 \u30eb\u30fc\u30d7\u5185\u3067\u3001\u4e26\u3079\u66ff\u3048\u306e\u305f\u3081\u306b\u6570\u5024\u304c\u9078\u629e\u3055\u308c\u3001\u305d\u306e\u6570\u5024\u306f\u5225\u306e\u5909\u6570\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059 \u4e8c\u5206\u691c\u7d22\u3067\u306f\u3001\u5de6\u5074\u306e\u6570\u5024\u306b\u5bfe\u3057\u3066\u3053\u306e\u6570\u5024\u3092\u633f\u5165\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u691c\u7d22\u3055\u308c\u307e\u3059 \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u898b\u3064\u304b\u308b\u3068\u3001\u633f\u5165\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u958b\u59cb\u3057\u3066\u3001\u5de6\u5074\u306e\u6570\u5b57\u304c 1 \u3064\u53f3\u306b\u30b7\u30d5\u30c8\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u904e\u7a0b\u3067\u3001\u4e26\u3079\u66ff\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u6570\u5024\u306f\u6d88\u53bb\u3055\u308c\u307e\u3059\u3002 \u4ee5\u524d\u306b\u4fdd\u5b58\u3057\u305f\u756a\u53f7\u304c\u633f\u5165\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u633f\u5165\u3055\u308c\u307e\u3059 \u30eb\u30fc\u30d7\u306e\u6700\u5f8c\u3067\u3001\u30ea\u30b9\u30c8\u5168\u4f53\u304c\u4e26\u3079\u66ff\u3048\u3089\u308c\u307e\u3059 \u30d0\u30a4\u30ca\u30ea\u691c\u7d22\u4e2d\u306b\u3001\u6570\u5024\u304c\u898b\u3064\u304b\u3089\u305a\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8fd4\u3055\u308c\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4e8c\u5206\u691c\u7d22\u306e\u7279\u6b8a\u6027\u306b\u3088\u308a\u3001\u691c\u7d22\u3055\u308c\u305f\u6570\u5024\u306b\u6700\u3082\u8fd1\u3044\u6570\u5024\u304c\u691c\u7d22\u3055\u308c\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8fd4\u3059\u306b\u306f\u3001\u305d\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6c42\u3081\u305f\u6570\u5024\u3068\u6bd4\u8f03\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6c42\u3081\u305f\u6570\u5024\u304c\u5c0f\u3055\u3044\u5834\u5408\u3001\u6c42\u3081\u305f\u6570\u5024\u306f\u6b21\u306e\u4f4d\u7f6e\u306b\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u5de6\u5074\u306b\u3042\u308a\u3001\u305d\u308c\u4ee5\u4e0a\u306e\u5834\u5408\u306f\u53f3\u5074\u306b\u3042\u308a\u307e\u3059\u3002 Go \u30b3\u30fc\u30c9: import ( &#8220;fmt&#8221; &#8220;math\/rand&#8221; &#8220;time&#8221; ) const numbersCount = 20 const maximalNumber = 100 func binarySearch(numbers []int, item int, low int, high int) int { for high &gt; low { center := (low + high) \/ 2 if<a class=\"more-link\" href=\"https:\/\/demensdeum.com\/blog\/ja\/2022\/07\/29\/binary-insertion-sort\/\">Continue reading <span class=\"screen-reader-text\">&#8220;\u30d0\u30a4\u30ca\u30ea\u633f\u5165\u30bd\u30fc\u30c8&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[61,52],"tags":[131,198,190],"class_list":["post-3337","post","type-post","status-publish","format-standard","hentry","category-techie","category-tutorials","tag-algorithms","tag-binary-insertion-sort","tag-sorting","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"ja","enabled_languages":["en","ru","zh","de","fr","ja","pt"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false}}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/3337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/comments?post=3337"}],"version-history":[{"count":7,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/3337\/revisions"}],"predecessor-version":[{"id":3883,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/posts\/3337\/revisions\/3883"}],"wp:attachment":[{"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/media?parent=3337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/categories?post=3337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/ja\/wp-json\/wp\/v2\/tags?post=3337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}