{"id":9897,"date":"2026-06-04T08:30:00","date_gmt":"2026-06-03T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=9897"},"modified":"2026-05-29T19:23:36","modified_gmt":"2026-05-29T10:23:36","slug":"p0802a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p08\/p0802a\/","title":{"rendered":"\u7df4\u7fd2 [8] \u95a2\u6570\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\uff1ap0802a.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a href=\"\/lecture\/prog\/material\/p0802a.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p0802a.c\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f 2 \u3064\u306e\u6574\u6570 x \u3068 y \u3092\u8aad\u307f\u8fbc\u307f\uff0c\u95a2\u6570 <kbd>power<\/kbd> \u3092\u4f7f\u3063\u3066\u300c<strong>x \u306e y \u4e57<\/strong>\u300d\u3092\u8a08\u7b97\u3057\u3066\u8868\u793a\u3059\u308b\u3068\u3044\u3046\u5185\u5bb9\u306b\u306a\u3063\u3066\u3044\u308b\uff0e\u305f\u3060\u3057\uff0cy \u306f 0 \u4ee5\u4e0a\u306e\u5834\u5408\u3057\u304b\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u306a\u3044\uff0e<br>\u305d\u3053\u3067\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u95a2\u6570 <kbd>power<\/kbd> \u306e\u5185\u5bb9\u3092\u7de8\u96c6<\/span><\/strong>\u3057\u3066<strong><span class=\"tadv-color\" style=\"color:#ff0000\"> y &lt; 0 \u306e\u5834\u5408\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6539\u826f<\/span><\/strong>\u3057\u306a\u3055\u3044\uff0e\u305f\u3060\u3057\uff0cpower \u306e\u4e2d\u3067 <strong><mark style=\"background-color:#ffeb00\" class=\"has-inline-color\">if \u6587\u306f 1 \u56de\u3057\u304b<\/mark><\/strong>\u4f7f\u3063\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e\u306a\u304a\uff0c<strong>main \u306e\u5185\u5bb9\u3092\u66f8\u304d\u63db\u3048\u3066\u3082\u3044\u3051\u307e\u305b\u3093<\/strong>\uff0e<br><br><strong>\u3010\u6539\u826f\u5f8c\u306e power \u306e\u52d5\u4f5c\u5185\u5bb9\u3011<\/strong><br>\u3000\u25cf y &lt; 0 \u306e\u5834\u5408\uff1a\u300cx \u306e y \u4e57\u300d\u3092<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u5b9f\u6570\uff08double \u578b\uff09\u3068\u3057\u3066\u51fa\u529b<\/span><\/strong>\u3059\u308b\uff08<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u6841\u6570\u6307\u5b9a\u306f\u4e0d\u8981<\/span><\/strong>\uff09\uff0e<br>\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u4f8b\u3048\u3070\u300c5 \u306e -2 \u4e57\u300d\u306f 1\/25 \u306a\u306e\u3067 0.04 \u304c\u7b54\u3048\u3068\u306a\u308b\uff0e<br>\u3000\u25cf \u305d\u3046\u3067\u306a\u3044\u5834\u5408\uff1a\uff08\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u5143\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u540c\u3058\u52d5\u4f5c\uff09\uff0e<br><br>\u3010\u6ce8\u610f\u3011<br>\u3079\u304d\u4e57\u3092\u6c42\u3081\u308b\u306e\u306b C \u8a00\u8a9e\u306b\u306f pow \u3068\u3044\u3046\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u304c\u3042\u308b\u304c\uff0c\u3053\u308c\u3092\u4f7f\u3063\u3066\u306f\u3044\u3051\u307e\u305b\u3093\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<span style=\"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: 320px; margin-top: -15pt; margin-bottom: 10px;\">2 \u500b\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#00aa00\">\u23ce<\/span>\n<span class=\"has-inline-color\" style=\"color: #ff0000;\">2 4<\/span>\n2 \u306e 4 \u4e57\u306f 16 \u3067\u3059<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<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 320px; margin-top: -15pt; margin-bottom: 10px;\">2 \u500b\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#00aa00\">\u23ce<\/span>\n<span class=\"has-inline-color\" style=\"color: #ff0000;\">5 -2<\/span>\n5 \u306e -2 \u4e57\u306f 0.040000 \u3067\u3059<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n<div style='margin-top:-10pt; margin-bottom:10pt'>\u203b<span style='font-weight:bold; background-color:lightpink'>\u300c-2 \u4e57\u300d\u304c\u300c2 \u4e57\u300d\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u306a\u3044\u304b<\/span>\u6ce8\u610f\u305b\u3088\uff0e<span style='font-weight:bold; background-color:lightpink'>\u672b\u5c3e\u306e\u6539\u884c\uff08\\n\uff09\u3082\u5fd8\u308c\u306a\u3044<\/span>\u3053\u3068\uff0e<\/div>\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\uff13\uff09<\/strong>\u203b<span style=\"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: 320px; margin-top: -15pt; margin-bottom: 10px;\">2 \u500b\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#00aa00\">\u23ce<\/span>\n<span class=\"has-inline-color\" style=\"color: #ff0000;\">5 0<\/span>\n5 \u306e 0 \u4e57\u306f 1 \u3067\u3059<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\n\n\n<p class=\"miss wp-block-paragraph\"><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\u306b\u793a\u3057\u305f<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\uff13\u901a\u308a\u306e\u5b9f\u884c\u4f8b\u3068\u51fa\u529b\u7d50\u679c\u304c\u9055\u3063\u3066\u3044\u308b<\/span><\/strong>\uff0e<br>\u3000\u7279\u306b\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">y &gt;= 0 \u306e\u5834\u5408\u3082\u5b9f\u6570\u3068\u3057\u3066\u51fa\u529b<\/span><\/strong>\u3057\u3066\u3044\u305f\u308a\uff0c\u5272\u308a\u7b97\u3067\u306e <strong><span class=\"tadv-color\" style=\"color:#ff0000\">double \u578b\u3078\u306e\u30ad\u30e3\u30b9\u30c8\u3092\u5fd8\u308c\u3066<\/span><\/strong>\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-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-advance\/p08\/p0801a\/\">\u7df4\u7fd21 (p0801a.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-advance\/p08\/p0803a\/\">\u7df4\u7fd23 (p0803a.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\uff1ap0802a.c\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p0802a.c\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f 2 \u3064\u306e\u6574\u6570 x \u3068 y \u3092\u8aad\u307f\u8fbc\u307f\uff0c\u95a2\u6570 power \u3092\u4f7f\u3063\u3066\u300cx \u306e y \u4e57\u300d\u3092\u8a08\u7b97\u3057 <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p08\/p0802a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9885,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9897","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9897","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=9897"}],"version-history":[{"count":8,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9897\/revisions"}],"predecessor-version":[{"id":12544,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9897\/revisions\/12544"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9885"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=9897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}