{"id":9779,"date":"2026-05-21T08:30:00","date_gmt":"2026-05-20T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=9779"},"modified":"2026-05-14T14:59:47","modified_gmt":"2026-05-14T05:59:47","slug":"p0603a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p06\/p0603a\/","title":{"rendered":"\u7df4\u7fd2 [6] \u524d\u534a\u306e\u5fa9\u7fd2\uff083\/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 3<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap0603a.c\uff09<\/h4>\n\n\n\n<p class=\"problem\">\u4ee5\u4e0b\u306e\u5b9f\u884c\u4f8b\u3068\u5168\u304f\u540c\u3058\u304b\u305f\u3061\u3067<strong><span style=\"color: #ff0000;\" class=\"has-inline-color\"><span class=\"tadv-color\" style=\"color:#0000ff\">1 \u3064\u306e\u6574\u6570 <kbd>n<\/kbd> \u3092\u8aad\u307f\u8fbc\u307f\uff0c<\/span><\/span><span class=\"tadv-color\" style=\"color:#0000ff\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\u5186\u5468\u7387\u306e\u8fd1\u4f3c\u5024<\/mark><\/span><span style=\"color: #ff0000;\" class=\"has-inline-color\"><span class=\"tadv-color\" style=\"color:#0000ff\">\u3092\u51fa\u529b\u3067\u304d\u308b<\/span><\/span><\/strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 <strong><span style=\"color: #ff0000;\" class=\"has-inline-color\"><span class=\"tadv-color\" style=\"color:#008800\">p0603a.c<\/span><\/span> <\/strong>\u3068\u3057\u3066\u4f5c\u308a\u306a\u3055\u3044\uff0e\u306a\u304a\uff0c\u8fd1\u4f3c\u5024\u306f<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\u5c0f\u6570\u70b9\u4ee5\u4e0b\u7b2c 3 \u4f4d\u307e\u3067<\/mark><\/strong>\u3092\u51fa\u529b\u3059\u308b\u3053\u3068\u3068\u3059\u308b\uff0e<br>\u305f\u3060\u3057\uff0c\u3053\u306e\u554f\u984c\u3067\u306f <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">int \u578b\u306e\u5909\u6570\u306e\u307f\u3092\u4f7f\u7528\u3057\uff0c\u8fd1\u4f3c\u5024\u3092\u51fa\u529b\u3059\u308b\u969b\u306b double \u578b\u3078\u5909\u63db\uff08\u30ad\u30e3\u30b9\u30c8\uff09\u3059\u308b\u3088\u3046\u306b\u3057\u306a\u3055\u3044<\/mark><\/strong>\uff0e<br><kbd>n<\/kbd> \u306f 1 \u4ee5\u4e0a 20000 \u4ee5\u4e0b\u306e\u6574\u6570\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u3088\u3044\uff0e<br><br><strong>\u3010\u3053\u306e\u554f\u984c\u3067\u306e\u5186\u5468\u7387\u306e\u6c42\u3081\u65b9\u3011<\/strong><br>\u3044\u307e\uff0cx-y \u5ea7\u6a19\u5e73\u9762\u4e0a\u3067 x,y \u5ea7\u6a19\u3068\u3082\u6574\u6570\u3068\u306a\u308b<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\u683c\u5b50\u70b9<\/mark><\/strong>\u3092\u8003\u3048\u308b\uff0e<br>\u305d\u3057\u3066\uff0c\u6700\u521d\u306b <kbd>n<\/kbd> \u3092\u5165\u529b\u3059\u308b\u304c\uff0c\u3053\u3053\u3067\u306f\u683c\u5b50\u70b9\u3068\u3057\u3066\u6b21\u306e <kbd>n<\/kbd><sup>2<\/sup> \u500b\u3092\u8003\u3048\u308b\uff1a<br><kbd>\u3000(0,0), (0,1), (0,2), ..., (0, n-1), <br>\u3000(1,0), (1,1), (1,2), ..., (1, n-1),<br> \u3000\u3000.........<br>\u3000(n-1,0), (n-1,1), (n-1,2), ..., (n-1, n-1)<\/kbd><br> <br>\u6b21\u306b\u4e0b\u56f3\u306e\u3088\u3046\u306b\u7b2c 1 \u8c61\u9650\u4e0a\u3067\u534a\u5f84 <kbd>n<\/kbd> \u306e\u5186\u3092\u8003\u3048\uff0c\u3053\u306e\u5186\u3068 x, y \u8ef8\u3067\u56f2\u307e\u308c\u308b<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\u6247\u5f62\u306e\u5185\u90e8\u306b\u5165\u308b\u683c\u5b50\u70b9\u306e\u500b\u6570<\/mark><\/strong>\u3092\u6570\u3048\u308b\uff0e\uff08\u305d\u306e\u683c\u5b50\u70b9\u306e\u4f4d\u7f6e\u5ea7\u6a19\u3092 <kbd>(a,b)<\/kbd> \u3068\u3057\u305f\u5834\u5408\uff0c<mark style=\"background-color:#dbffce\" class=\"has-inline-color\"><kbd>a<sup>2<\/sup> + b<sup>2<\/sup> &lt; n<sup>2<\/sup><\/kbd> \u306a\u3089\u3070\u5185\u5074\u306b\u5165\u3063\u3066\u3044\u308b<\/mark>\uff09<br>\u3000\u3000\u3000\u3000\u3000\u3000<img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"249\" class=\"wp-image-9783\" style=\"width: 250px;\" src=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-content\/uploads\/sites\/2\/2024\/05\/p0603a-1.png\" alt=\"\" srcset=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-content\/uploads\/sites\/2\/2024\/05\/p0603a-1.png 325w, https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-content\/uploads\/sites\/2\/2024\/05\/p0603a-1-300x300.png 300w, https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-content\/uploads\/sites\/2\/2024\/05\/p0603a-1-150x150.png 150w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><br><br>\u305d\u306e\u3088\u3046\u306a\u683c\u5b50\u70b9\u306e\u500b\u6570\u3092 <kbd>cnt<\/kbd> \u3068\u304a\u304f\u3068\uff0c<kbd>cnt\/n<sup>2<\/sup><\/kbd> \u306f <kbd>n<\/kbd> \u304c\u5927\u304d\u3044\u307b\u3069 \u03c0<kbd>\/4<\/kbd> \u3078\u8fd1\u4ed8\u304f\uff0e<br>\u305d\u308c\u3086\u3048\uff0c\u305d\u308c\u3092 4 \u500d\u3057\u305f\u5024\u306f\u5186\u5468\u7387 \u03c0 \u3078\u8fd1\u4ed8\u304f\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<br>\u203b \u51fa\u529b\u306e<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u672b\u5c3e\u306e\u6539\u884c\uff08\\n\uff09\u3092\u5fd8\u308c\u306a\u3044<\/mark><\/strong>\u3053\u3068\uff0e<br><sub><mark style=\"background-color:#eaff55\" class=\"has-inline-color\">\u4ee5\u4e0b\u306e 3 \u3064\u306e\u5b9f\u884c\u4f8b\u306f\u3044\u305a\u308c\u3082 Windows \u74b0\u5883\u3067\u306e\u51fa\u529b\u3067\u3042\u308b\u305f\u3081\uff0cMac \u74b0\u5883\u3067\u306f\u5c11\u3057\u5024\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u306f\u3042\u308a\u307e\u3059\u304c\uff0c\u305d\u308c\u3067\u3082\u9055\u3044\u306f\u3054\u304f\u5c0f\u3055\u3044\u3082\u306e\u306b\u306a\u308b\u306f\u305a\u3067\u3059\uff0e<\/mark><\/sub><\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 300px; margin-top: -15pt; margin-bottom: 10px;\">n \u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">100<\/span>\nPI = 3.180<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: 300px; margin-top: -15pt; margin-bottom: 10px;\">n \u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">1000<\/span>\nPI = 3.146<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\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: 300px; margin-top: -15pt; margin-bottom: 10px;\">n \u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">20000<\/span>\nPI = 3.142<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\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\">\uff13\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 <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 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-9d6595d7 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>\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p06\/p0602a\/\">\u7df4\u7fd22 (p0602a.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\"><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\/p06\/p0604a\/\">\u7df4\u7fd24 (p0604a.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7df4\u7fd2 3\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap0603a.c\uff09 \u4ee5\u4e0b\u306e\u5b9f\u884c\u4f8b\u3068\u5168\u304f\u540c\u3058\u304b\u305f\u3061\u30671 \u3064\u306e\u6574\u6570 n \u3092\u8aad\u307f\u8fbc\u307f\uff0c\u5186\u5468\u7387\u306e\u8fd1\u4f3c\u5024\u3092\u51fa\u529b\u3067\u304d\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092 p0603a.c \u3068\u3057\u3066\u4f5c\u308a\u306a\u3055\u3044\uff0e\u306a\u304a\uff0c\u8fd1\u4f3c\u5024\u306f\u5c0f\u6570\u70b9\u4ee5\u4e0b\u7b2c 3 \u4f4d\u307e <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p06\/p0603a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":9749,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9779","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9779","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=9779"}],"version-history":[{"count":11,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9779\/revisions"}],"predecessor-version":[{"id":12465,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9779\/revisions\/12465"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/9749"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=9779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}