{"id":10059,"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=10059"},"modified":"2026-06-06T11:21:15","modified_gmt":"2026-06-06T02:21:15","slug":"p0902a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p09\/p0902a\/","title":{"rendered":"\u7df4\u7fd2 [9] \u6587\u5b57\u5217\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\uff1ap0902a.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a href=\"\/lecture\/prog\/material\/p0902a.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p0902a.c\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br><br>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff08\u6700\u5927 <kbd>SIZE<\/kbd>-1 \u6587\u5b57\u3068\u4eee\u5b9a\u3057\u3066\u3044\u308b\uff09\u3092\u8aad\u307f\u8fbc\u307f\uff0c<br>\u30a2\u30c9\u30ec\u30b9\u5168\u4f53\u3068\u30ed\u30fc\u30ab\u30eb\u90e8\uff08<kbd>@<\/kbd>\u3088\u308a\u5de6\u306e\u90e8\u5206\uff09\uff0c\u30c9\u30e1\u30a4\u30f3\u90e8\uff08<kbd>@<\/kbd>\u3088\u308a\u53f3\u306e\u90e8\u5206\uff09\u3092\u6587\u5b57\u6570\u3068\u3068\u3082\u306b\u51fa\u529b\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u304c<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u672a\u5b8c\u6210\u306b\u306a\u3063\u3066\u3044\u308b<\/span><\/strong>\uff0e\u3053\u308c\u3092\u5b8c\u6210\u3055\u305b\u306a\u3055\u3044\uff0e<br><br><strong>\u3010\u7de8\u96c6\u3059\u3079\u304d\u5185\u5bb9\u3011<\/strong><br>\u2460<strong>\u30ed\u30fc\u30ab\u30eb\u90e8\u3092\u51fa\u529b\u3057\u305f\u5f8c<\/strong>\u306b\uff0c\u305d\u306e<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6587\u5b57\u6570\u3082\u51fa\u529b<\/span><\/strong>\u3059\u308b\uff0e<br>\u2461\u3055\u3089\u306b\uff0c\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\u306e<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u30c9\u30e1\u30a4\u30f3\uff08<kbd>@<\/kbd>\u3088\u308a\u3082\u53f3\u5074\u90e8\u5206\uff09\u3068\u305d\u306e\u6587\u5b57\u6570\u3082\u51fa\u529b<\/span><\/strong>\u3059\u308b\uff0e<br><br><strong>\u3010\u6ce8\u610f\u3011<\/strong><br>\u30de\u30af\u30ed <kbd>SIZE<\/kbd> \u306e\u5b9a\u7fa9\u90e8\u5206\u4ee5\u5916\u306b <kbd>100<\/kbd> \uff08\u3084 <kbd>99<\/kbd>, <kbd>98<\/kbd> \u3068\u3044\u3063\u305f\u95a2\u4fc2\u3059\u308b\u6570\u5b57\uff09\u3092\u76f4\u63a5\u66f8\u3044\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e<br>\u307e\u305f\uff0cC \u8a00\u8a9e\u306b\u306f\u6587\u5b57\u5217\u306e\u6587\u5b57\u6570\u3092\u8abf\u3079\u3066\u304f\u308c\u308b <kbd>strlen<\/kbd> \u3068\u3044\u3046\u95a2\u6570\u304c\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u95a2\u6570\u3068\u3057\u3066\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u304c\uff0c\u3053\u3053\u3067\u306f\u3053\u308c\u3092\u4f7f\u3063\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>\u7de8\u96c6\u524d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\uff0c\u6700\u5f8c\u306e <strong><span class=\"has-inline-color has-strong-blue-color\">while \u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u304c\u7d42\u308f\u3063\u305f\u6642\u70b9\u3067 <kbd>mail[i] == '@'<\/kbd><\/span><\/strong> \u306e\u72b6\u614b\u306b\u306a\u3063\u3066\u3044\u307e\u3059\uff0e\u3064\u307e\u308a\uff0c\u3053\u306e <kbd>i<\/kbd> \u3092 +1 \u3059\u308b\u3068\uff08<strong><kbd><span class=\"has-inline-color has-red-color\">i++;<\/span><\/kbd><\/strong> \u3092\u5b9f\u884c\u3059\u308b\u3068\uff09\uff0c<span class=\"has-inline-color has-red-color\"><kbd>mail[i]<\/kbd> \u306f <kbd>@<\/kbd> \u306e 1 \u3064\u53f3\u306e\u6587\u5b57<\/span>\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u306e\u3067\uff0c<strong><span class=\"has-inline-color has-red-color\">\u3053\u308c\u304c\u30c9\u30e1\u30a4\u30f3\u306e\u5148\u982d\u6587\u5b57<\/span><\/strong>\u306b\u8a72\u5f53\u3057\u307e\u3059\uff0e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:#ffffa4\" class=\"has-inline-color\">\u3010\u6ce8\u610f\u4e8b\u9805\u3011<br>\u4f8b\u5e74\uff0c\u5b9f\u884c\u4f8b\uff11\u3060\u3051\u3057\u304b\u8a66\u3055\u305a\u306b\u5b8c\u6210\u3057\u305f\u3068\u601d\u3044\u8fbc\u3093\u3067\u63d0\u51fa\u3059\u308b\u4eba\u3084<br>\u6587\u5b57\u6570\u304c\u9055\u3046\u306e\u306b\u63d0\u51fa\u3059\u308b\u4eba\u304c\u5c11\u306a\u304b\u3089\u305a\u3044\u3066\u56f0\u3063\u3066\u3044\u307e\u3059\uff0e<\/mark><\/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<mark style=\"background-color:#fac5ff\" class=\"has-inline-color\">\u30c9\u30e1\u30a4\u30f3\u306b <kbd>@<\/kbd> \u306f\u542b\u307e\u308c\u306a\u3044<\/mark>\u306e\u3067\u6ce8\u610f\u305b\u3088\uff0e<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 400px; margin-top: -15pt; margin-bottom: 10px;\">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\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;\">aman@ehime-u.ac.jp<\/span>\n\u30a2\u30c9\u30ec\u30b9\u306f aman@ehime-u.ac.jp (18 \u6587\u5b57)<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30ed\u30fc\u30ab\u30eb\u90e8\u306f aman \u3067\u3059\u306d (4 \u6587\u5b57)<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30c9\u30e1\u30a4\u30f3\u306f ehime-u.ac.jp \u3067\u3059\u306d (13 \u6587\u5b57)<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: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\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;\">aman.hirohisa.mm@ehime-u.ac.jp<\/span>\n\u30a2\u30c9\u30ec\u30b9\u306f aman.hirohisa.mm@ehime-u.ac.jp (30 \u6587\u5b57)<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30ed\u30fc\u30ab\u30eb\u90e8\u306f aman.hirohisa.mm \u3067\u3059\u306d (16 \u6587\u5b57)<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30c9\u30e1\u30a4\u30f3\u306f ehime-u.ac.jp \u3067\u3059\u306d (13 \u6587\u5b57)<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: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\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;\">k520987x@mails.cc.ehime-u.ac.jp<\/span>\n\u30a2\u30c9\u30ec\u30b9\u306f k520987x@mails.cc.ehime-u.ac.jp (31 \u6587\u5b57)<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30ed\u30fc\u30ab\u30eb\u90e8\u306f k520987x \u3067\u3059\u306d (8 \u6587\u5b57)<span style=\"color:#00aa00\">\u23ce<\/span>\n\u30c9\u30e1\u30a4\u30f3\u306f mails.cc.ehime-u.ac.jp \u3067\u3059\u306d (22 \u6587\u5b57)<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\">3 \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> \u3000\u4f8b\u3048\u3070\uff0c\u8aa4\u3063\u3066 <strong><span class=\"tadv-color\" style=\"color:#ff0000\">@ \u3092\u6587\u5b57\u6570\u306b\u542b\u3081\u3066<\/span><\/strong>\u3044\u305f\u308a\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u30c9\u30e1\u30a4\u30f3\u3068\u3057\u3066 @ \u3082\u8868\u793a<\/span><\/strong>\u3055\u305b\u3066\u3057\u307e\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 \u6587\u5b57\u6570\u3092<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u30ab\u30a6\u30f3\u30c8\u3059\u308b\u5909\u6570\u3092 0 \u306b\u521d\u671f\u5316\u305b\u305a\u306b<\/span><\/strong>\u4f7f\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 <strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u30ca\u30eb\u6587\u5b57\u3088\u308a\u5f8c\u308d\u3082\u8868\u793a<\/span><\/strong>\u3055\u305b\u3066\u3057\u307e\u3044<span class=\"tadv-color\" style=\"color:#0000ff\"><strong>\u6587\u5b57\u5316\u3051<\/strong><\/span>\u3057\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 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\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p09\/p0901a\/\">\u7df4\u7fd21 (p0901a.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\/p09\/p0903a\/\">\u7df4\u7fd23 (p0903a.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\uff1ap0902a.c\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p0902a.c\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e \u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9\uff08\u6700\u5927 SIZE-1 \u6587\u5b57\u3068\u4eee\u5b9a\u3057\u3066\u3044\u308b\uff09\u3092\u8aad\u307f\u8fbc\u307f\uff0c\u30a2\u30c9\u30ec\u30b9\u5168\u4f53\u3068\u30ed\u30fc\u30ab <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p09\/p0902a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10039,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10059","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10059","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=10059"}],"version-history":[{"count":8,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10059\/revisions"}],"predecessor-version":[{"id":12608,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10059\/revisions\/12608"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10039"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=10059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}