{"id":6058,"date":"2026-06-11T08:30:00","date_gmt":"2026-06-10T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=6058"},"modified":"2026-06-10T17:26:34","modified_gmt":"2026-06-10T08:26:34","slug":"ex0905","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise\/ex09\/ex0905\/","title":{"rendered":"\u8ab2\u984c [9] \u95a2\u6570\u2461\uff085\/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 5<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1aex0905.h\uff09<br>\u203b<span style=\"background-color:#444\" class=\"tadv-background-color\"><span style=\"color:#ffffff\" class=\"tadv-color\">ex0905.c \u3067\u306f\u306a\u304f ex0905.h \u3092\u63d0\u51fa<\/span><\/span>\u306a\u306e\u3067\u6ce8\u610f\uff01<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\"><a href=\"https:\/\/se.cite.ehime-u.ac.jp\/lecture\/prog\/material\/ex0905.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08ex0905.c\uff09<\/a>\u3068<a href=\"\/lecture\/prog\/material\/ex0905.h\" target=\"_blank\" rel=\"noreferrer noopener\">\u30d8\u30c3\u30c0\uff08ex0905.h\uff09<\/a>\u3092\u305d\u308c\u305e\u308c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\uff0c<br>\u30d8\u30c3\u30c0\u306e\u4e2d\u306e<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u95a2\u6570 <kbd>find_x<\/kbd> \u3092\u5b8c\u6210\u3055\u305b\u306a\u3055\u3044<\/span><\/strong>\uff0e<br>\uff08<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u66f8\u304d\u63db\u3048\u308b\u306e\u306f ex0905.h \u306e\u307f<\/span><\/strong>\u3067\u3042\u308a\uff0cex0905.c \u306f<br>\u3000\u30b3\u30f3\u30d1\u30a4\u30eb\u3068\u5b9f\u884c\u306b\u4f7f\u3046\u3060\u3051\u306a\u306e\u3067\u9593\u9055\u3048\u306a\u3044\u3053\u3068\uff09<br><br>\u95a2\u6570 <kbd>find_x<\/kbd> \u3067\u306f\uff0c\u5f15\u6570\u3068\u3057\u3066\u4e0e\u3048\u3089\u308c\u305f int \u914d\u5217 <kbd>a<\/kbd> \u3068 int \u578b\u5909\u6570 <kbd>x<\/kbd> \u306b\u3064\u3044\u3066\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u305d\u306e\u914d\u5217 <kbd>a<\/kbd> \u306e\u4e2d\u3067 <kbd>x<\/kbd> \u3068\u540c\u3058\u5024\u3092\u6301\u3064\u8981\u7d20\u3092\u5148\u982d\u304b\u3089\u63a2\u3057\uff0c<\/span><span class=\"tadv-color\" style=\"color:#ff0000\">\u6700\u521d\u306b\u898b\u3064\u304b\u3063\u305f\u4f4d\u7f6e\uff08\u6dfb\u5b57\uff09\u3092\u8fd4\u3059<\/span><\/strong>\u3082\u306e\u3068\u3059\u308b\uff08\u3064\u307e\u308a\uff0c<kbd>x<\/kbd> \u3068\u7b49\u3057\u3044 <kbd>a[i]<\/kbd> \u304c\u898b\u3064\u304b\u3063\u305f\u306a\u3089\u3070 <strong><span class=\"tadv-background-color\" style=\"background-color:#ffeb00\"><kbd>i<\/kbd> \u3092\u8fd4\u3059<\/span><\/strong>\uff09\uff0e\u306a\u304a\uff0c\u76ee\u7684\u306e\u5024\u304c<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f\u5834\u5408\u306f -1 \u3092\u8fd4\u3059<\/span><\/strong>\u3082\u306e\u3068\u3059\u308b\uff0e<br><br>\u3053\u306e\u554f\u984c\u3067\u306f\uff0c<kbd>SIZE<\/kbd> \u500b\u306e\u6574\u6570\u3092\u8aad\u307f\u8fbc\u3093\u3067\u3044\u3063\u305f\u3093\u3059\u3079\u3066\u914d\u5217\u3078\u683c\u7d0d\u3057\uff0c\u305d\u306e\u5f8c\u306b\u6307\u5b9a\u3055\u308c\u305f\u6574\u6570 <kbd>x<\/kbd> \u304c\u914d\u5217\u5185\u306e\u4f55\u756a\u76ee\u306b\u898b\u3064\u304b\u3063\u305f\u306e\u304b\uff08\u305f\u3060\u3057\uff0c\u305d\u306e\u6dfb\u5b57\u306a\u306e\u3067 0 \u304b\u3089\u59cb\u307e\u308b\uff09\u3092\u8868\u793a\u3055\u305b\u3066\u3044\u308b\uff0e<br>\u306a\u304a\uff0c<kbd>SIZE<\/kbd> \u306f\u30de\u30af\u30ed\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\uff0e<br><br><strong>\u3010\u6ce8\u610f\u3011<\/strong><br>\u3053\u306e\u554f\u984c\u3067\u306f <strong><span class=\"tadv-background-color\" style=\"background-color:#f9ff00\">ex0905.h \u3092\u63d0\u51fa\u3057\u306a\u3055\u3044<\/span><\/strong>\uff08ex0905.c \u3067\u306f\u306a\u3044\uff09\uff0e<br>\u307e\u305f\uff0c\u30de\u30af\u30ed\u306e\u5b9a\u7fa9\u90e8\u5206\u4ee5\u5916\u306b <kbd>5<\/kbd> \u3084 <kbd>4<\/kbd> \u3068\u76f4\u63a5\u66f8\u3044\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e<\/p>\n\n\n\n<p class=\"hint wp-block-paragraph\"><strong>\u3010\u30d2\u30f3\u30c8\u3011<\/strong><br>\u975e\u5e38\u306b\u3088\u304f\u4f3c\u305f\u51e6\u7406\u3092<a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise\/ex08\/ex0807\/\" data-type=\"page\" data-id=\"5769\" target=\"_blank\" rel=\"noreferrer noopener\">\u5148\u9031\u306e ex0807.c<\/a> \u3067\u3084\u3063\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3057\u305f\u304c\uff0c\u4eca\u56de\u306f\u623b\u308a\u5024\u3092\u6301\u3064\u304b\u305f\u3061\u306b\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u6539\u3081\u3066\u95a2\u6570 <kbd>find_x<\/kbd> \u306e\u4f5c\u308a\u65b9\u306e\u4e00\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\uff08\u4ed6\u306e\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\uff09\uff1a<br>\u3000\u2460 <kbd>for ( i = 0; i &lt; SIZE; i++ ){ ... }<\/kbd> \u3068\u3057\u3066\u7e70\u308a\u8fd4\u3057\u306a\u304c\u3089\uff0c<br>\u3000\u3000\u305d\u306e\u4e2d\u3067 <span class=\"tadv-color\" style=\"color:#ff0000\"><kbd>a[i]<\/kbd> \u304c <kbd>x<\/kbd> \u3068\u7b49\u3057\u3044\u304b\u3069\u3046\u304b<\/span>\u3092\u8abf\u3079\u307e\u3059\uff0e<br>\u3000\u3000\u305d\u3057\u3066\uff0c\u3082\u3057\u3082<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u7b49\u3057\u3051\u308c\u306f<kbd> return i;<\/kbd> \u3092\u5b9f\u884c\u3057\u3066\u95a2\u6570\u3092\u7d42\u4e86\uff08<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">break \u306f\u4f7f\u3044\u307e\u305b\u3093<\/mark>\uff09<\/span><\/strong>\u3057\u307e\u3059\uff0e<br>\u3000\u3000\uff08\u203b\u524d\u56de\u306f break; \u3067\u7e70\u308a\u8fd4\u3057\u304b\u3089\u8131\u51fa\u3059\u308b\u3060\u3051\u3067\u3057\u305f\uff09<br>\u3000<br>\u3000\u2461 \u4e0a\u306e <strong><span class=\"tadv-background-color\" style=\"background-color:#3aff00\">for \u6587\u304c\u7d42\u308f\u3063\u305f\u5f8c<\/span><\/strong>\uff0c<kbd>return -1;<\/kbd> \u3092\u5b9f\u884c\u3057\u3066\u95a2\u6570\u3092\u7d42\u4e86\u3057\u307e\u3059\uff0e<br>\u3000\u3000\uff08\u203b<span class=\"tadv-color\" style=\"color:#0000ff\">\u524d\u56de\u306f <kbd>i<\/kbd> \u306e\u5024\u3092\u8abf\u3079\u3066\u3044\u307e\u3057\u305f<\/span>\u304c\uff0c\u4eca\u56de\u306f <kbd>return -1;<\/kbd> \u3060\u3051\u3067\u5341\u5206\u3067\u3059\uff0e<br>\u3000\u3000\u3000\u3000\u306a\u305c\u306a\u3089\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u2460\u306e\u7e70\u308a\u8fd4\u3057\u306e\u9014\u4e2d\u3067 <kbd>return i;<\/kbd> \u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u305f\u3089<\/span><\/strong>\uff0c\u305d\u306e\u6642\u70b9\u3067 <br>\u3000\u3000\u3000\u3000for \u6587\u306f\u304a\u308d\u304b\u95a2\u6570\u305d\u306e\u3082\u306e\u306e\u5b9f\u884c\u3082\u9014\u4e2d\u3067\u7d42\u308f\u308a\u306b\u306a\u308b\u306e\u3067\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u3053\u306e\u2461\u306b\u5230\u9054\u3057\u307e\u305b\u3093<\/span><\/strong>\uff09<\/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\">5 \u500b\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">52 6 22 5 22<\/span>\n\u63a2\u3057\u3066\u3044\u308b\u6570\u306f\u4f55\u3067\u3059\u304b\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">22<\/span>\n22 \u306f a[2] \u3068\u3057\u3066\u898b\u3064\u304b\u308a\u307e\u3057\u305f<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\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<br><mark style=\"background-color:#fff300\" class=\"has-inline-color\">\u203b\u6b63\u3057\u304f\u300c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u3068\u51fa\u529b\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u305b\u3088\uff0e<\/mark><\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 400px; margin-top: -15pt; margin-bottom: 10px\">5 \u500b\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">52 6 22 5 22<\/span>\n\u63a2\u3057\u3066\u3044\u308b\u6570\u306f\u4f55\u3067\u3059\u304b\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">100<\/span>\n100 \u306f\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f<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\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\">5 \u500b\u306e\u6574\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">1 1 1 1 1<\/span>\n\u63a2\u3057\u3066\u3044\u308b\u6570\u306f\u4f55\u3067\u3059\u304b\uff1a<span style=\"color:#ff0000\" class=\"has-inline-color\">1<\/span>\n1 \u306f a[0] \u3068\u3057\u3066\u898b\u3064\u304b\u308a\u307e\u3057\u305f<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 <strong>\u5b9f\u884c\u306e<span class=\"tadv-color\" style=\"color:#ff0000\">\u753b\u9762\u51fa\u529b\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>\u3000\u3000\uff08\u4f8b\uff11\uff09\u898b\u3064\u304b\u3063\u305f<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u4f4d\u7f6e\uff08\u6dfb\u5b57\uff09\u304c\u9055\u3063\u3066<\/span><\/strong>\u3044\u308b\uff0e<br>\u3000\u3000\uff08\u4f8b\uff12\uff09\u898b\u3064\u304b\u308b\u306f\u305a\u306e\u3082\u306e\u304c\u300c<strong>\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f<\/strong>\u300d\u3068\u306a\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 \u524d\u56de\u306e ex0807.c \u3067\u4f5c\u3063\u305f\u95a2\u6570\u3092<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u30b3\u30d4\u30fc\uff06\u30da\u30fc\u30b9\u30c8\u3057\u305f\u3060\u3051<\/span><\/strong>\u306b\u306a\u3063\u3066\u3057\u307e\u3063\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 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-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\/ex09\/ex0904\/\">\u554f 4 (ex0904.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\/ex09\/ex0906\/\"> \u554f6 (ex0906.h)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u554f 5\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1aex0905.h\uff09\u203bex0905.c \u3067\u306f\u306a\u304f ex0905.h \u3092\u63d0\u51fa\u306a\u306e\u3067\u6ce8\u610f\uff01 \u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08ex0905.c\uff09\u3068\u30d8\u30c3\u30c0\uff08ex0905.h\uff09\u3092\u305d\u308c\u305e\u308c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\uff0c\u30d8\u30c3\u30c0\u306e\u4e2d\u306e\u95a2\u6570 f <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/exercise\/ex09\/ex0905\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1696,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6058","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/6058","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=6058"}],"version-history":[{"count":28,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/6058\/revisions"}],"predecessor-version":[{"id":12639,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/6058\/revisions\/12639"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/1696"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=6058"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}