{"id":9213,"date":"2026-04-16T08:30:00","date_gmt":"2026-04-15T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=9213"},"modified":"2026-04-11T19:44:03","modified_gmt":"2026-04-11T10:44:03","slug":"ex0209a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0209a\/","title":{"rendered":"\u8ab2\u984c [2] if \u6587\uff089\/9\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-background\" style=\"background-color:#d3f28c\"><strong>\u554f 9<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1aex0209a.c\uff09<br>\u203b\u4e0a\u7d1a\u30af\u30e9\u30b9\u306f\u5fc5\u9808\uff08\u4e2d\u7d1a\u30af\u30e9\u30b9\u306f\u3067\u304d\u308b\u4eba\u3060\u3051\u3067\u3088\u3044\uff09<br>\uff08\u3044\u305a\u308c\u3082\u52a0\u70b9\u5bfe\u8c61\uff09<\/h4>\n\n\n\n<p><mark style=\"background-color:#fffc00\" class=\"has-inline-color\">\u3053\u306e\u554f\u984c\u306f while \u6587\u307e\u305f\u306f for \u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u69cb\u9020\u3092\u4f7f\u3063\u305f\u7df4\u7fd2\u554f\u984c\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/mark><\/p>\n\n\n\n<p class=\"problem\">2 \u3064\u306e\u6574\u6570 x, y \u3092\u8aad\u307f\u8fbc\u307f\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u4ee5\u4e0b\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u5f93\u3063\u3066<\/mark><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\"> x\/y \u306e\u5024\u3092\u5c0f\u6570\u70b9\u4ee5\u4e0b\u7b2c 30 \u4f4d\u307e\u3067\u6b63\u78ba\u306b\u8a08\u7b97\u3057\u3066\u51fa\u529b<\/mark><\/strong>\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308a\u306a\u3055\u3044\uff0e\u305f\u3060\u3057\uff0c\u63d0\u51fa\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u306f <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-green-color\">ex0209a.c<\/mark><\/strong> \u3068\u3059\u308b\u3053\u3068\uff0e<br>\u3053\u3053\u3067\u306f x, y \u306f\u5e38\u306b 1 \u4ee5\u4e0a\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u3088\u3044\uff0e<br>\u305f\u3060\u3057\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u5909\u6570\u306f int \u578b\u306e\u3082\u306e\u3057\u304b\u4f7f\u3063\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e<\/mark><\/strong><br><br><strong>\u3010\u5b9f\u88c5\u3059\u3079\u304d\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3011<\/strong><br>\u2460 <kbd>x<\/kbd> \u3068 <kbd>y<\/kbd> \u306e\u5024\u3092\u300c<kbd>x\/y =<\/kbd> \u300d\u306e\u304b\u305f\u3061\u3067\u51fa\u529b\u3059\u308b\uff08\u6539\u884c\u306f\u3057\u306a\u3044\uff09\uff0e<br>\u3000\u4f8b\u3048\u3070\uff0c<kbd>x = 2<\/kbd>, <kbd>y = 13<\/kbd> \u306a\u3089\u3070\u300c<kbd>2\/13 = <\/kbd>\u300d\u3068\u51fa\u529b\u3059\u308b\uff0e<br>\u2461 <kbd>x<\/kbd> \u3092 <kbd>y<\/kbd> \u3067\u5272\u3063\u305f\u5546\u3092\u51fa\u529b\u3059\u308b\uff08\u6539\u884c\u306f\u3057\u306a\u3044\uff09\uff0e<br>\u3000\u4f8b\u3048\u3070\uff0c<kbd>x = 2<\/kbd>, <kbd>y = 13<\/kbd> \u306a\u3089\u3070\u300c<kbd>0<\/kbd>\u300d\u3068\u51fa\u529b\u3059\u308b\uff0e<br>\u2462\u5c0f\u6570\u70b9\uff08\u30d4\u30ea\u30aa\u30c9\uff09\u3092 \u51fa\u529b\u3059\u308b\uff08\u6539\u884c\u306f\u3057\u306a\u3044\uff09\uff0e<br>\u2463\u4ee5\u4e0b\u306e\u2464\uff5e\u2465\u3092 30 \u56de\u7e70\u308a\u8fd4\u3059\uff1a<br>\u3000\u3000\u2464 <kbd>x<\/kbd> \u3092 <kbd>y<\/kbd> \u3067\u5272\u3063\u305f\u4f59\u308a\u3092 10 \u500d\u3057\uff0c\u305d\u308c\u3092\u6539\u3081\u3066 <kbd>x<\/kbd> \u3068\u3059\u308b\uff0e<br>\u3000\u3000\u2465 <kbd>x<\/kbd> \u3092 <kbd>y<\/kbd> \u3067\u5272\u3063\u305f\u5546\u3092\u51fa\u529b\u3059\u308b\uff08\u6539\u884c\u306f\u3057\u306a\u3044\uff09\uff0e<br>\u2466\u4e0a\u306e\u7e70\u308a\u8fd4\u3057\u304c\u7d42\u4e86\u3057\u305f\u3089\uff0c\u6539\u884c\uff08<kbd>\\n<\/kbd>\uff09\u3092\u51fa\u529b\u3059\u308b\uff0e<\/p>\n\n\n\n<p class=\"hint\"><strong>\u3010\u88dc\u8db3\u3011<\/strong><br>\u4e0a\u306b\u793a\u3057\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\uff0c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\u5c0f\u5b66\u6821\u3067\u7fd2\u3046\u5272\u308a\u7b97\u306e\u624b\u9806\u3092\u305d\u306e\u307e\u307e\u8868\u3057\u3066\u3044\u308b<\/mark>\uff0e<br>\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u8a08\u7b97\u6a5f\u74b0\u5883\u306b\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306a\u304f\uff0c\u4efb\u610f\u306e\u6841\u6570\u306e\u7cbe\u5ea6\u3067\u5272\u308a\u7b97\u3092\u8a08\u7b97\u3067\u304d\u308b\uff0e<br>\u4e00\u65b9\uff0c<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">double \u578b\u7b49\u3092\u4f7f\u3046\u3068\u7cbe\u5ea6\u306b\u306f\u9650\u754c\u304c\u3042\u308b\u305f\u3081\uff0c\u6b63\u3057\u304f\u6c42\u307e\u3089\u306a\u3044<\/mark>\uff0e<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3010\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u7d50\u679c\u3011<\/strong>\uff08\u305d\u306e\uff11\uff09\u203b<span style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">\u8d64\u5b57<\/span>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 450px; margin-top: -15pt; margin-bottom: 10px\">2 \u3064\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">2 13<\/span>\n2\/13 = 0.153846153846153846153846153846<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\u7d50\u679c\u3011<\/strong>\uff08\u305d\u306e\uff12\uff09\u203b<span style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">\u8d64\u5b57<\/span>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 450px; margin-top: -15pt; margin-bottom: 10px\">2 \u3064\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">111 2047<\/span>\n111\/2047 = 0.054225696140693698094772838299<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\u7d50\u679c\u3011<\/strong>\uff08\u305d\u306e\uff13\uff09\u203b<span style=\"background-color:rgba(0, 0, 0, 0);color:#ff0000\" class=\"has-inline-color\">\u8d64\u5b57<\/span>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 450px; margin-top: -15pt; margin-bottom: 10px\">2 \u3064\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">1 7<\/span>\n1\/7 = 0.142857142857142857142857142857<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\n\n\n<p class=\"miss\"><strong>\u3010\u904e\u53bb\u306b\u3042\u3063\u305f\u30df\u30b9\uff08\u5b9f\u969b\u306b\u6e1b\u70b9\u3068\u306a\u308a\uff0c\u3084\u308a\u76f4\u3057\u3092\u547d\u3058\u3089\u308c\u305f\u4f8b\uff09\u3011<\/strong><br> \u25a0 \u4e0a\u306e\u5b9f\u884c\u4f8b\u3068\u51fa\u529b\u304c\u9055\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u898b\u843d\u3068\u3057\u3066\u3044\u308b\uff0e<br> \u25a0 \u300c<kbd><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">2\/13<\/mark><\/kbd>\u300d\u306e\u90e8\u5206\u304c <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\"><kbd>x\/y<\/kbd> <\/mark>\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\uff08\u5b9f\u884c\u4f8b\uff11\u306e\u5834\u5408\uff09\uff0e<br> \u25a0 \u5c0f\u6570\u70b9\uff08\u30d4\u30ea\u30aa\u30c9\uff09\u3084\u6700\u5f8c\u306e\u6539\u884c\u3092\u51fa\u529b\u3057\u5fd8\u308c\u3066\u3044\u308b\uff0e<br> \u25a0 <strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u30a4\u30f3\u30c7\u30f3\u30c8\u306b\u4e0d\u5099<\/span><\/strong>\u304c\u3042\u308b\uff08<a 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\" rel=\"noreferrer noopener\">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-red-color has-css-opacity has-red-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"problem\"><strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u554f 4 \uff5e\u554f 9 \u306f 4\/20\uff08\u6708\uff0923:59 \u307e\u3067\u306b\u63d0\u51fa<\/span>\u3092\u6e08\u307e\u305b\u306a\u3055\u3044\uff0e<\/strong><br>\uff08ex0204a.c \uff5e ex0209a.c \u3092 Moodle \u304b\u3089\u63d0\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\uff0e\uff09<br>\u304f\u308c\u3050\u308c\u3082\u5404\u554f\u984c\u3067\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6ce8\u610f\u4e8b\u9805\u3084\u300c\u904e\u53bb\u306b\u3042\u3063\u305f\u30df\u30b9\u300d\u3092\u898b\u843d\u3068\u3055\u306a\u3044\u3088\u3046\u306b<\/span><\/strong>\u3057\u3066\u304f\u3060\u3055\u3044\uff0e<br>\u306a\u304a\uff0c\u63d0\u51fa\u5f8c\u306b<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u9593\u9055\u3044\u306b\u6c17\u4ed8\u3044\u305f\u5834\u5408\uff0c\u3006\u5207\u524d\u3067\u3042\u308c\u3070\u5dee\u3057\u66ff\u3048\uff08\u4e0a\u66f8\u304d\uff09\u306f\u53ef\u80fd<\/span><\/strong>\u3067\u3059\uff0e<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-very-dark-gray-color has-css-opacity has-very-dark-gray-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-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0204a\/\">\u554f 4 (ex0204a.c)<\/a> ]<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0205a\/\">\u554f 5 (ex0205a.c)<\/a> ]<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0206a\/\">\u554f 6 (ex0206a.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0207a\/\">\u554f 7 (ex0207a.c)<\/a> ]<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0208a\/\">\u554f 8 (ex0208a.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u554f 9\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1aex0209a.c\uff09\u203b\u4e0a\u7d1a\u30af\u30e9\u30b9\u306f\u5fc5\u9808\uff08\u4e2d\u7d1a\u30af\u30e9\u30b9\u306f\u3067\u304d\u308b\u4eba\u3060\u3051\u3067\u3088\u3044\uff09\uff08\u3044\u305a\u308c\u3082\u52a0\u70b9\u5bfe\u8c61\uff09 \u3053\u306e\u554f\u984c\u306f while \u6587\u307e\u305f\u306f for \u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u69cb\u9020\u3092\u4f7f\u3063\u305f\u7df4\u7fd2\u554f\u984c\u306b\u306a\u3063\u3066\u3044\u307e\u3059 2 \u3064 <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex02\/ex0209a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9142,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9213","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9213","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=9213"}],"version-history":[{"count":10,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9213\/revisions"}],"predecessor-version":[{"id":12136,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9213\/revisions\/12136"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9142"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=9213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}