{"id":10720,"date":"2026-07-09T08:30:00","date_gmt":"2026-07-08T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=10720"},"modified":"2026-07-04T17:42:15","modified_gmt":"2026-07-04T08:42:15","slug":"ex1307a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex13\/ex1307a\/","title":{"rendered":"\u8ab2\u984c [13] \u69cb\u9020\u4f53\uff087\/8\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 7<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1aex1307a.h\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a href=\"\/lecture\/prog\/material\/ex1307a.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08ex1307a.c\uff09<\/a>\u3068<a href=\"\/lecture\/prog\/material\/ex1307a.h\" target=\"_blank\" rel=\"noreferrer noopener\">\u30d8\u30c3\u30c0\uff08ex1307a.h\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br>\u305d\u3057\u3066\uff0cex1307a.h\u3092\u7de8\u96c6\u3057\u3066\uff08.c \u306e\u65b9\u306f\u89e6\u3089\u306a\u3044\uff09\u6b21\u306e\u51e6\u7406\u3092\u884c\u3046\u30d7\u30ed\u30b0\u30e9\u30e0\u3068\u3057\u3066\u4ed5\u4e0a\u3052\u306a\u3055\u3044\uff0e<br><br><strong>\u3010\u76ee\u7684\u306e\u51e6\u7406\uff1a\u30c8\u30e9\u30f3\u30d7\u306e\u5f37\u5f31\u3092\u5224\u5b9a\u3011<\/strong><br>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u30c8\u30e9\u30f3\u30d7\u306e\u30ab\u30fc\u30c9\u3092\u69cb\u9020\u4f53 <kbd>CARD<\/kbd> \u3067\u8868\u3057\u3066\u3044\u308b\uff0e<br>\u69cb\u9020\u4f53 <kbd>CARD<\/kbd> \u306b\u306f\u6b21\u306e 2 \u3064\u306e\u30e1\u30f3\u30d0\u304c\u3042\u308b<br>\u3000\u3000\u30fb <kbd>mark<\/kbd>\uff1a 0 \uff5e 3 \u306e\u6574\u6570\u3067\u3042\u308a\uff0c\u9806\u306b\u30b9\u30da\u30fc\u30c9\uff0c\u30cf\u30fc\u30c8\uff0c\u30c0\u30a4\u30e4\uff0c\u30af\u30e9\u30d6\u3092\u610f\u5473\u3059\u308b\uff0e<br>\u3000\u3000\u30fb <kbd>number<\/kbd>: 1 \uff5e 13 \u306e\u6574\u6570\u3067\u3042\u308a\uff0c\u305d\u306e\u30ab\u30fc\u30c9\u306e\u6570\u5b57\u3092\u8868\u3057\u3066\u3044\u308b\uff0e<br><br>\u3053\u3053\u3067\u6b21\u306e\u30eb\u30fc\u30eb\u3067 2 \u679a\u306e\u30ab\u30fc\u30c9\u306e\u5f37\u5f31\u3092\u5b9a\u7fa9\u3059\u308b\uff1a<br>\u3000\uff081\uff092 \u679a\u306e\u30ab\u30fc\u30c9\u306e\u6570\u5b57\u304c\u7570\u306a\u308b\u5834\u5408\u306f\uff0c<br>\u3000\u3000\u3000\u6570\u5b57 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">1\uff08\u30a8\u30fc\u30b9\uff09\u304c\u6700\u5f37<\/mark><\/strong>\u3067\u3042\u308a\uff0c\u305d\u308c\u4ee5\u5916\u306f<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u6570\u5b57\u306e\u5927\u304d\u3044\u65b9\u304c\u5f37\u3044<\/mark><\/strong>\u3082\u306e\u3068\u3059\u308b\uff0e<br>\u3000\u3000\u3000\uff08\u3064\u307e\u308a\uff0c1 > 13 > 12 > 11 > &#8230;. > 3 > 2 \uff09<br>\u3000\uff082\uff09\u6570\u5b57\u304c\u540c\u3058\u5834\u5408\u306f<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u30b9\u30da\u30fc\u30c9\uff0c\u30cf\u30fc\u30c8\uff0c\u30c0\u30a4\u30e4\uff0c\u30af\u30e9\u30d6\u306e\u9806\u306b\u5f37\u3044<\/mark><\/strong>\u3082\u306e\u3068\u3059\u308b\uff0e<br>\u3000\u3000\u3000\uff08\u3064\u307e\u308a\uff0c\u30b9\u30da\u30fc\u30c9 > \u30cf\u30fc\u30c8 > \u30c0\u30a4\u30e4 > \u30af\u30e9\u30d6\uff09<br><br><strong>\u3010\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3084\u308a\u305f\u3044\u3053\u3068\u3011<\/strong><br>2 \u679a\u306e\u30ab\u30fc\u30c9\u306e\u60c5\u5831\u3092\u8aad\u307f\u8fbc\u307f\uff0c\u95a2\u6570 <kbd>judge<\/kbd> \u3092\u4f7f\u3063\u3066 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">2 \u679a\u306e\u30ab\u30fc\u30c9\u306e\u3069\u3061\u3089\u304c\u5f37\u3044\u304b\u3092\u5224\u5b9a<\/mark><\/strong>\u3059\u308b\uff0e<br>\u30d7\u30ed\u30b0\u30e9\u30e0\u4e2d\u306e<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\u95a2\u6570 judge \u3092\u5b8c\u6210\u3055\u305b<\/mark><\/strong>\uff0c\u3053\u306e\u52d5\u304d\u3092\u5b9f\u73fe\u3057\u306a\u3055\u3044\uff0e<br>\u306a\u304a\uff0c\u95a2\u6570 <kbd>judge<\/kbd> \u306f 2 \u3064\u306e <kbd>CARD<\/kbd> \u578b\u5909\u6570\u3092\u53d7\u3051\u53d6\u308a\uff0c<strong>1 \u756a\u76ee\u306e\u65b9\u304c\u5f37\u3051\u308c\u3070 1<\/strong> \u3092\uff0c<strong>\u3055\u3082\u306a\u304f\u3070 -1<\/strong> \u3092\u8fd4\u3059\u95a2\u6570\u3068\u3059\u308b\uff0e<\/p>\n\n\n\n<p class=\"hint wp-block-paragraph\"><strong>\u3010\u30d2\u30f3\u30c8\u3011<\/strong><br>\uff081\uff09\u6570\u5b57\u3068\u3057\u3066\u7279\u6b8a\u306a\u306e\u306f 1 \uff08\u30a8\u30fc\u30b9\uff09\u3060\u3051\u306a\u306e\u3067\uff0c\u307e\u305a\u306f\u3069\u3061\u3089\u304b\u304c 1 \u3067\u3082\u3046\u4e00\u65b9\u304c 1 \u3067\u306a\u3044\u5834\u5408\u306e\u51e6\u7406\u3092\u884c\u3046\uff08\u305d\u306e\u5834\u5408\u306f return 1 \u307e\u305f\u306f return -1 \u3092\u884c\u3046\u3053\u3068\u304c\u78ba\u5b9a\u3059\u308b\uff0e\uff09<br><br>\uff082\uff09\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\uff0c\u4e21\u8005\u306e\u6570\u5b57\u3092\u6bd4\u8f03\u3057\u3066\uff0c\u5927\u304d\u3044\u65b9\u306b\u5fdc\u3058\u3066 return 1 \u307e\u305f\u306f return -1 \u3092\u884c\u3048\u3070\u3088\u3044\uff0e<br><br>\uff083\uff09\u3044\u305a\u308c\u3067\u3082\u306a\u3044\u5834\u5408\u306f\u6570\u5b57\u304c\u540c\u3058\u306a\u306e\u3067\uff0c\u30de\u30fc\u30af\u3092\u6bd4\u8f03\u3059\u308b\uff0e<br>\u4e0a\u306e\u30eb\u30fc\u30eb\u3067\u306f<strong>\u30de\u30fc\u30af\u3092\u8868\u3059\u6570\u5b57\u304c\u5c0f\u3055\u3044\u65b9\u304c\u5f37\u3044<\/strong>\u3068\u3044\u3046\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3053\u308c\u3092\u5229\u7528\u3059\u308b\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\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: 400px; margin-top: -15pt; margin-bottom: 10px\">1 \u679a\u76ee\u306e\u30ab\u30fc\u30c9\u306e\u30de\u30fc\u30af\u3068\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u4e0b\u3055\u3044\n\uff08\u30b9\u30da\u30fc\u30c9 0\uff0c\u30cf\u30fc\u30c8 1\uff0c\u30c0\u30a4\u30e4 2\uff0c\u30af\u30e9\u30d6 3\uff09\n&gt; <span style=\"color:red\">0 1<\/span><span style=\"color:#00aa00\">\u23ce<\/span>\n2 \u679a\u76ee\u306e\u30ab\u30fc\u30c9\u306e\u30de\u30fc\u30af\u3068\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u4e0b\u3055\u3044\n\uff08\u30b9\u30da\u30fc\u30c9 0\uff0c\u30cf\u30fc\u30c8 1\uff0c\u30c0\u30a4\u30e4 2\uff0c\u30af\u30e9\u30d6 3\uff09\n&gt; <span style=\"color:red\">0 2<\/span><span style=\"color:#00aa00\">\u23ce<\/span>\n\u30b9\u30da\u30fc\u30c9 \u306e A<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30b9\u30da\u30fc\u30c9 \u306e 2<span style=\"color:#00aa00\">\u23ce<\/span>\n\u3053\u308c\u3089\u306e\u30ab\u30fc\u30c9\u306e\u3046\u3061\uff0c\u5f37\u3044\u65b9\u306f\uff1a\u30b9\u30da\u30fc\u30c9 \u306e A<span style=\"color:#00aa00\">\u23ce<\/span>\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\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: 400px; margin-top: -15pt; margin-bottom: 10px\">1 \u679a\u76ee\u306e\u30ab\u30fc\u30c9\u306e\u30de\u30fc\u30af\u3068\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u4e0b\u3055\u3044\n\uff08\u30b9\u30da\u30fc\u30c9 0\uff0c\u30cf\u30fc\u30c8 1\uff0c\u30c0\u30a4\u30e4 2\uff0c\u30af\u30e9\u30d6 3\uff09\n&gt; <span style=\"color:red\">0 1<\/span><span style=\"color:#00aa00\">\u23ce<\/span>\n2 \u679a\u76ee\u306e\u30ab\u30fc\u30c9\u306e\u30de\u30fc\u30af\u3068\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u4e0b\u3055\u3044\n\uff08\u30b9\u30da\u30fc\u30c9 0\uff0c\u30cf\u30fc\u30c8 1\uff0c\u30c0\u30a4\u30e4 2\uff0c\u30af\u30e9\u30d6 3\uff09\n&gt; <span style=\"color:red\">1 1<\/span><span style=\"color:#00aa00\">\u23ce<\/span>\n\u30b9\u30da\u30fc\u30c9 \u306e A<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30cf\u30fc\u30c8 \u306e A<span style=\"color:#00aa00\">\u23ce<\/span>\n\u3053\u308c\u3089\u306e\u30ab\u30fc\u30c9\u306e\u3046\u3061\uff0c\u5f37\u3044\u65b9\u306f\uff1a\u30b9\u30da\u30fc\u30c9 \u306e A<span style=\"color:#00aa00\">\u23ce<\/span>\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\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: 400px; margin-top: -15pt; margin-bottom: 10px\">1 \u679a\u76ee\u306e\u30ab\u30fc\u30c9\u306e\u30de\u30fc\u30af\u3068\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u4e0b\u3055\u3044\n\uff08\u30b9\u30da\u30fc\u30c9 0\uff0c\u30cf\u30fc\u30c8 1\uff0c\u30c0\u30a4\u30e4 2\uff0c\u30af\u30e9\u30d6 3\uff09\n&gt; <span style=\"color:red\">3 13<\/span><span style=\"color:#00aa00\">\u23ce<\/span>\n2 \u679a\u76ee\u306e\u30ab\u30fc\u30c9\u306e\u30de\u30fc\u30af\u3068\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u4e0b\u3055\u3044\n\uff08\u30b9\u30da\u30fc\u30c9 0\uff0c\u30cf\u30fc\u30c8 1\uff0c\u30c0\u30a4\u30e4 2\uff0c\u30af\u30e9\u30d6 3\uff09\n&gt; <span style=\"color:red\">0 2<\/span><span style=\"color:#00aa00\">\u23ce<\/span>\n\u30af\u30e9\u30d6 \u306e K<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30b9\u30da\u30fc\u30c9 \u306e 2<span style=\"color:#00aa00\">\u23ce<\/span>\n\u3053\u308c\u3089\u306e\u30ab\u30fc\u30c9\u306e\u3046\u3061\uff0c\u5f37\u3044\u65b9\u306f\uff1a\u30af\u30e9\u30d6 \u306e K<span style=\"color:#00aa00\">\u23ce<\/span>\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 <strong>\u5b9f\u884c\u306e<span class=\"tadv-color\" style=\"color:#ff0000\">\u753b\u9762\u51fa\u529b\u306e\u5185\u5bb9\u304c\u4e0a\u306e\u4f8b\u3068\u9055\u3046<\/span><\/strong>\uff08<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u304d\u3061\u3093\u3068\u78ba\u8a8d\u3057\u3066\u3044\u306a\u3044<\/span><\/strong>\uff09\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-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-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\/exercise-advance\/ex13\/ex1306a\/\">\u554f 6 (ex1306a.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\/exercise-advance\/ex13\/ex1308a\/\"> \u554f 8 (ex1308a.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u554f 7\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1aex1307a.h\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08ex1307a.c\uff09\u3068\u30d8\u30c3\u30c0\uff08ex1307a.h\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e\u305d\u3057\u3066\uff0cex1307a.h\u3092\u7de8\u96c6\u3057\u3066\uff08.c \u306e\u65b9\u306f\u89e6\u3089\u306a\u3044\uff09\u6b21\u306e\u51e6\u7406\u3092\u884c\u3046\u30d7 <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise-advance\/ex13\/ex1307a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10651,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10720","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10720","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=10720"}],"version-history":[{"count":14,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10720\/revisions"}],"predecessor-version":[{"id":12830,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10720\/revisions\/12830"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10651"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=10720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}