{"id":10203,"date":"2026-06-18T08:30:00","date_gmt":"2026-06-17T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=10203"},"modified":"2026-06-13T12:36:25","modified_gmt":"2026-06-13T03:36:25","slug":"p1001a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p10\/p1001a\/","title":{"rendered":"\u7df4\u7fd2 [10] \u30dd\u30a4\u30f3\u30bf\u2460\uff081\/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 1<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap1001a.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a href=\"\/lecture\/prog\/material\/p1001a.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p1001a.c\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br>p1001a.c \u3067\u306f int \u578b\u5909\u6570\u3068\u3057\u3066 <kbd>x<\/kbd>, double \u578b\u5909\u6570\u3068\u3057\u3066 <kbd>y<\/kbd> \u3092\u7528\u610f\u3057\uff0c<br>\u3055\u3089\u306b\u306f\u305d\u308c\u3089\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30bf\u5909\u6570 <kbd>p<\/kbd>, <kbd>q<\/kbd> \u3092\u7528\u610f\u3057\u3066\u3044\u308b\uff0e<br><br>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3084\u308d\u3046\u3068\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u5358\u7d14\u3067\u3042\u308a\uff0c<br><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\"><kbd>y<\/kbd> \u306e 2 \u4e57\u3092\u8868\u793a\u3055\u305b\u305f\u5f8c\uff0c<\/mark><\/strong><br><strong><span class=\"tadv-color\" style=\"color:#ff0000\"><kbd>x<\/kbd> \u304c <kbd>y<\/kbd> \u306e 2 \u4e57\u3088\u308a\u3082\u5927\u304d\u3044\u304b\u3069\u3046\u304b<\/span><\/strong>\u3092\u5224\u5b9a\u3057\u3066\u5b9f\u884c\u4f8b\u306e\u3088\u3046\u306b\u51fa\u529b\u3055\u305b\u308b\u3060\u3051\u3067\u3042\u308b\uff0e<br><br>\u8b1b\u7fa9\u8cc7\u6599\u3092\u53c2\u8003\u306b\u3057\u3066\uff0cp1001a.c \u3092<strong><span style=\"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><\/span><\/strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u4ed5\u4e0a\u3052\u306a\u3055\u3044\uff0e<br>\u305f\u3060\u3057\uff0cmain \u95a2\u6570\u306e\u5192\u982d\u90e8\u5206\u306b\u3042\u308b <kbd>p = &amp;x;<\/kbd> \u3068 <kbd>q = &amp;y;<\/kbd> \u3092\u9664\u304d\uff0c<br><strong><span class=\"tadv-background-color\" style=\"background-color:#ffeb00\">\u305d\u308c\u3088\u308a\u4e0b\u3067 <kbd>x<\/kbd> \u3068 <kbd>y<\/kbd> \u3092\u4f7f\u3063\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e\u4ed6\u306e\u5909\u6570\u3092\u8ffd\u52a0\u3057\u3066\u3082\u3044\u3051\u307e\u305b\u3093\uff0e<\/span><\/strong><br><strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u3059\u3079\u3066\u30dd\u30a4\u30f3\u30bf <kbd>p<\/kbd>, <kbd>q<\/kbd> \u3092\u4f7f\u3063\u3066\u76ee\u7684\u306e\u51e6\u7406\u3092\u884c\u3044\u306a\u3055\u3044<\/span><\/strong>\uff0e<br>\u3042\u308f\u305b\u3066\uff0c\u4ee5\u4e0b\u306b\u8a18\u8f09\u3057\u3066\u3044\u308b<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u3010\u30d2\u30f3\u30c8\u3011\u3092\u898b\u843d\u3068\u3057\u3066\u7121\u99c4\u306a\u8a18\u8ff0\u3092\u3057\u306a\u3044<\/mark><\/strong>\u3088\u3046\u6ce8\u610f\u3057\u306a\u3055\u3044\uff0e<\/p>\n\n\n\n<p class=\"hint wp-block-paragraph\"><strong>\u3010\u30d2\u30f3\u30c8\u3011<\/strong><br>\u4f8b\u3048\u3070\uff0c <span class=\"tadv-color\" style=\"color:#ff0000\"><kbd>x<\/kbd> \u3068\u66f8\u304d\u305f\u3044\u3068\u3053\u308d\u306f <kbd>(*p)<\/kbd> \u304c\u4ee3\u308f\u308a<\/span>\u306b\u306a\u308a\uff0c<br><span class=\"tadv-color\" style=\"color:#0000ff\"><kbd>&amp;x<\/kbd> \u3068\u66f8\u304d\u305f\u3044\u3068\u3053\u308d\u306f <kbd>p<\/kbd> \u304c\u4ee3\u308f\u308a<\/span>\u306b\u306a\u308a\u307e\u3059\uff0e<br><br><mark style=\"background-color:#dbffc7\" class=\"has-inline-color\"><kbd>&amp;(*p)<\/kbd> \u3068\u66f8\u3044\u3066\u3082 <kbd>&amp;x<\/kbd> \u306e\u4ee3\u308f\u308a\u306b\u306f\u306a\u308a\u307e\u3059\u304c\uff0c<strong>\u8a18\u8ff0\u3068\u3057\u3066\u306f\u7121\u99c4<\/strong><\/mark>\u304c\u3042\u308a\u307e\u3059\uff0e<br>\u305d\u3082\u305d\u3082 <kbd>p<\/kbd> \u306b\u306f <kbd>x<\/kbd> \u306e\u756a\u5730\u3092\u683c\u7d0d\u3057\u3066\u3044\u308b\u308f\u3051\u306a\u306e\u3067\uff0c<kbd>p<\/kbd> \u3068\u66f8\u304f\u3060\u3051\u3067\u76ee\u7684\u3092\u9054\u6210\u3067\u304d\u307e\u3059\uff0e<br>\u5909\u6570 <kbd>y<\/kbd> \u3068\u30dd\u30a4\u30f3\u30bf <kbd>q<\/kbd> \u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u3082\u540c\u69d8\u3067\u3059\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: 420px; margin-top: -15pt; margin-bottom: 10px;\">\u6574\u6570 x \u3068\u5b9f\u6570 y \u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">2 1.4142<\/span>\nx = 2<span style=\"color:#00aa00\">\u23ce<\/span>\ny = 1.414200<span style=\"color:#00aa00\">\u23ce<\/span>\n<span style=\"color:#00aa00\">\u23ce<\/span>\ny^2 = 1.999962<span style=\"color:#00aa00\">\u23ce<\/span>\nx &gt; y^2<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<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: 420px; margin-top: -15pt; margin-bottom: 10px;\">\u6574\u6570 x \u3068\u5b9f\u6570 y \u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">2 1.4143<\/span>\nx = 2<span style=\"color:#00aa00\">\u23ce<\/span>\ny = 1.414300<span style=\"color:#00aa00\">\u23ce<\/span>\n<span style=\"color:#00aa00\">\u23ce<\/span>\ny^2 = 2.000244<span style=\"color:#00aa00\">\u23ce<\/span>\nx &lt;= y^2<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\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> \u25a0 \u6ce8\u610f\u66f8\u304d\u3092\u898b\u843d\u3068\u3057\u3066\u3044\u3066\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3063\u3066\u3044\u306a\u3044<\/span><\/strong>\uff0e<br> \u25a0 <strong>\u30d2\u30f3\u30c8\u3092\u898b\u843d\u3068\u3057\u3066\u3044\u3066 <span class=\"tadv-color\" style=\"color:#0000ff\"><kbd>x<\/kbd> \u3084 <kbd>&amp;x<\/kbd> \u306e\u4ee3\u308f\u308a\u3092\u9069\u5207\u306b\u66f8\u3051\u3066\u3044\u306a\u3044<\/span><\/strong>\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\"><\/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\/p10\/p1002a\/\">\u7df4\u7fd22 (p1002a.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7df4\u7fd2 1\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap1001a.c\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p1001a.c\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0ep1001a.c \u3067\u306f int \u578b\u5909\u6570\u3068\u3057\u3066 x, double \u578b\u5909\u6570\u3068\u3057\u3066 y \u3092\u7528\u610f\u3057\uff0c\u3055\u3089\u306b\u306f\u305d\u308c\u3089 <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p10\/p1001a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10200,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10203","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10203","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=10203"}],"version-history":[{"count":5,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10203\/revisions"}],"predecessor-version":[{"id":11616,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10203\/revisions\/11616"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10200"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=10203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}