{"id":5865,"date":"2026-06-11T08:30:00","date_gmt":"2026-06-10T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=5865"},"modified":"2026-06-09T16:07:14","modified_gmt":"2026-06-09T07:07:14","slug":"p0902","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p09\/p0902\/","title":{"rendered":"\u7df4\u7fd2 [9] \u95a2\u6570\u2461\uff082\/5\uff09"},"content":{"rendered":"<div class=\"breadcrumbs align wp-block-bcn-breadcrumb-trail has-text-color has-background\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\">\n\t<span><\/span>\n\t<span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Go to \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u7814\u7a76\u5ba4.\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\" class=\"home\" aria-current=\"page\"><span property=\"name\">\u30db\u30fc\u30e0<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-light-green-cyan-background-color has-background\"><strong>\u7df4\u7fd2 2<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap0902.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\"><strong>\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 2 (sample2.c)<\/strong> \u3092 <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color: #ff0000;\" class=\"has-inline-color\"><span class=\"tadv-color\" style=\"color:#008800\">p0902.c<\/span><\/mark> \u3068\u3044\u3046\u5225\u306e\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30b3\u30d4\u30fc<\/strong>\u3057\u306a\u3055\u3044\uff0e\u305d\u3057\u3066\uff0cp0902.c \u3092<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u4ee5\u4e0b\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u7de8\u96c6<\/span><\/strong>\u3057\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0);color: #ff0000;\" class=\"has-inline-color\"><span class=\"tadv-color\" style=\"color:#0000ff\">\u5b9f\u884c\u4f8b\u306e\u3088\u3046\u306b\u5b9f\u884c\u3067\u304d\u308b<\/span><\/mark><\/strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308a\u306a\u3055\u3044\uff0e<br><br><strong>\u3010\u7de8\u96c6\u3059\u3079\u304d\u5185\u5bb9: <span class=\"tadv-color\" style=\"color:#ff0000\">main \u95a2\u6570\u3092\u66f8\u304d\u63db\u3048\u306a\u3055\u3044<\/span>\u3011<\/strong><br>\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 2 \u3067\u306f <kbd>main<\/kbd> \u306e\u4e2d\u3067 if \u6587\u306e\u6761\u4ef6\u90e8\u306b <kbd>is_prime(x)<\/kbd> \u3092\u4f7f\u7528\u3057\u3066<br> <kbd>x<\/kbd> \u304c\u7d20\u6570\u304b\u3069\u3046\u304b\u3092\u5224\u5b9a\u3057\uff0c\u305d\u306e\u7d50\u679c\u306b\u5fdc\u3058\u3066 printf \u3092\u5207\u308a\u66ff\u3048\u3066\u3044\u308b\uff0e<br>\u305d\u3053\u3067\uff0c<span class=\"tadv-background-color\" style=\"background-color:#28fff8\"><kbd>main<\/kbd> \u95a2\u6570\u306e\u4e2d\u3067<\/span> <strong><span class=\"tadv-color\" style=\"color:#ff0000\">for \u6587\u3067 <kbd>k = 2<\/kbd> \uff5e <kbd>x<\/kbd> \u3068\u5909\u5316\u3055\u305b\u306a\u304c\u3089\u6574\u6570 <kbd>k<\/kbd> \u306e\u7d20\u6570\u5224\u5b9a\u3092 <kbd>is_prime(k)<\/kbd> \u3067\u884c\u3046<\/span><\/strong>\u3088\u3046\u306b\u66f8\u304d\u63db\u3048\u306a\u3055\u3044\uff0e<br><br><strong>\u3010\u6ce8\u610f\u3011<\/strong><br>\u3053\u306e\u554f\u984c\u3067\u306f <strong><span class=\"tadv-background-color\" style=\"background-color:#fffc00\"><kbd>is_prime<\/kbd> \u306e\u5185\u5bb9\u3092\u66f8\u304d\u63db\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093<\/span><\/strong>\uff0e<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3010\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4f8b\u3011\uff08\u305d\u306e\uff11\uff09<\/strong>\u203b<mark style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">\u8d64\u5b57<\/mark>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<br><mark style=\"background-color:#dfff00\" class=\"has-inline-color\">\u203b\u6b63\u3057\u304f 2 \u301c 6 \u306e\u7bc4\u56f2\u3067\u5224\u5b9a\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u305b\u3088<\/mark><\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 280px; margin-top: -15pt; margin-bottom: 10px;\">\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">6<\/span>\n2 \u306f\u7d20\u6570\u3067\u3059<span style=\"color:#00aa00\">\u23ce<\/span>\n3 \u306f\u7d20\u6570\u3067\u3059<span style=\"color:#00aa00\">\u23ce<\/span>\n4 \u306f\u7d20\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093<span style=\"color:#00aa00\">\u23ce<\/span>\n5 \u306f\u7d20\u6570\u3067\u3059<span style=\"color:#00aa00\">\u23ce<\/span>\n6 \u306f\u7d20\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3010\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4f8b\u3011\uff08\u305d\u306e\uff12\uff09<\/strong>\u203b<mark style=\"background-color:rgba(0, 0, 0, 0);color: #ff0000;\" class=\"has-inline-color\">\u8d64\u5b57<\/mark>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<br><mark style=\"background-color:#00ffff\" class=\"has-inline-color\">\u203b 1 \u3092\u5165\u529b\u3057\u305f\u5834\u5408\u306f for \u6587\u306e\u7e70\u308a\u8fd4\u3057\u6761\u4ef6\u304c\u6210\u7acb\u3057\u306a\u3044\u306e\u3067\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u306e\u304c\u6b63\u89e3<\/mark><\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 280px; margin-top: -15pt; margin-bottom: 10px;\">\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">1<\/span>\n\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<\/p>\n\n\n\n<p class=\"miss wp-block-paragraph\"><strong>\u3010\u904e\u53bb\u306b\u3042\u3063\u305f\u30df\u30b9\uff08\u6e1b\u70b9\u3068\u306a\u308a\uff0c\u3084\u308a\u76f4\u3057\u3092\u547d\u3058\u3089\u308c\u308b\uff09\u3011<\/strong> <br> \u25a0 <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color: #ff0000;\" class=\"has-inline-color\">2 \u7a2e\u985e\u306e\u5b9f\u884c\u4f8b\u3092\u78ba\u8a8d\u305b\u305a\u306b<\/mark>\u63d0\u51fa<\/strong>\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\uff0e <br>\u3000\uff08\u4f8b\uff11\uff09\u300c<kbd><span class=\"tadv-color\" style=\"color:#ff0000\">\u25b2<\/span> \u306f\u7d20\u6570\u3067\u3059<\/kbd>\u300d\u3084\u300c<kbd><span class=\"tadv-color\" style=\"color:#ff0000\">\u25b2 <\/span>\u306f\u7d20\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/kbd>\u300d\u306e<kbd><span class=\"tadv-color\" style=\"color:#ff0000\"> \u25b2 <\/span><\/kbd>\u90e8\u5206\u304c<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u3059\u3079\u3066\u540c\u3058\u5024\u306b\u56fa\u5b9a<\/span><\/strong>\u3068\u306a\u3063\u3066\u3044\u308b\uff0e<br>\u3000\uff08\u4f8b\uff12\uff09\u7d20\u6570\u306e\u5224\u5b9a\u7d50\u679c\u304c\u9006\u306b\u306a\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 <strong>\u554f\u984c\u6587\u306e\u6ce8\u610f\u66f8\u304d\u3092\u898b\u843d\u3068\u3057\u3066\u3044\u3066\uff0c<span class=\"tadv-color\" style=\"color:#ff0000\"><kbd>is_prime<\/kbd> \u306e\u5185\u5bb9\u3092\u66f8\u304d\u63db\u3048\u3066<\/span><\/strong>\u3057\u307e\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u30a4\u30f3\u30c7\u30f3\u30c8\u306b\u4e0d\u5099<\/mark><\/strong>\u304c\u3042\u308b\uff08<a rel=\"noreferrer noopener\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/vscode-%e4%b8%8a%e3%81%a7%e3%82%a4%e3%83%b3%e3%83%87%e3%83%b3%e3%83%88%e3%82%92%e8%87%aa%e5%8b%95%e3%81%a7%e6%8f%83%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95\/\" target=\"_blank\">VSCode \u4e0a\u3067\u30a4\u30f3\u30c7\u30f3\u30c8\u3092\u81ea\u52d5\u3067\u63c3\u3048\u308b\u4f5c\u696d<\/a>\u3092\u3084\u3063\u3066\u3044\u306a\u3044\uff09\uff0e<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-wide\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p class=\"wp-block-paragraph\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p09\/p0901\/\">\u7df4\u7fd21 (p0901.c)<\/a> ]<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"has-text-align-right wp-block-paragraph\"><strong>\u30df\u30b9\u304c\u7121\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3089<\/strong>\u6b21\u306e\u554f\u984c\u3078 \u2192 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p09\/p0903\/\">\u7df4\u7fd23 (p0903.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7df4\u7fd2 2\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap0902.c\uff09 \u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 2 (sample2.c) \u3092 p0902.c \u3068\u3044\u3046\u5225\u306e\u540d\u524d\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u30b3\u30d4\u30fc\u3057\u306a\u3055\u3044\uff0e\u305d\u3057\u3066\uff0cp0902.c \u3092\u4ee5\u4e0b\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u7de8\u96c6\u3057\uff0c\u5b9f\u884c\u4f8b\u306e\u3088\u3046 <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p09\/p0902\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1648,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-5865","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/5865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/comments?post=5865"}],"version-history":[{"count":20,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/5865\/revisions"}],"predecessor-version":[{"id":11589,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/5865\/revisions\/11589"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/1648"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=5865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}