{"id":10455,"date":"2026-07-02T08:30:00","date_gmt":"2026-07-01T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=10455"},"modified":"2026-06-26T00:32:00","modified_gmt":"2026-06-25T15:32:00","slug":"p1202a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p12\/p1202a\/","title":{"rendered":"\u7df4\u7fd2 [12] \u30d5\u30a1\u30a4\u30eb\u51e6\u7406\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\uff1ap1202a.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a href=\"\/lecture\/prog\/material\/p1202a.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p1202a.c\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br>p1202a.c \u306f<strong>\u6307\u5b9a\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3055\u308c\u305f\u500b\u6570\u3060\u3051\u30d5\u30a1\u30a4\u30eb\u3078\u66f8\u304d\u8fbc\u3082\u3046<\/strong>\u3068\u3057\u305f\u9014\u4e2d\u306e\u3082\u306e\uff08\u672a\u5b8c\u6210\uff09\u3067\u3042\u308b\uff0e<strong>\u3053\u308c\u3092\u5b8c\u6210\u3055\u305b\u306a\u3055\u3044<\/strong>\uff0e<br><strong>\uff1c\u6ce8\u610f\uff1e<\/strong>\u4e0a\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\"><kbd>if<\/kbd> \u6587\u306e\u4e2d\u3067 <kbd>fopen<\/kbd> \u3082\u307e\u3068\u3081\u3066\u66f8\u3044\u3066\u3042\u308b<\/mark>\uff0e<br>\u4f8b\u5e74\uff0c\u3053\u308c\u306b\u6c17\u4ed8\u304b\u305a\u306b <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\"><kbd>fopen<\/kbd> \u3092\u65b0\u305f\u306b\u66f8\u304d\u8db3\u3059\u3068\u3044\u3046\u9593\u9055\u3044<\/mark>\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u305b\u3088\uff0e<br><br><strong>\u3010\u76ee\u7684\u306e\u51e6\u7406\u3011<\/strong><br>\u3000\uff081\uff09\u307e\u305a\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u9069\u5f53\u306a\u6587\u5b57\u5217\uff08\u9014\u4e2d\u306b\u7a7a\u767d\u306f\u542b\u307e\u306a\u3044\uff09<\/span><\/strong>\u3092 1 \u3064\u8aad\u307f\u8fbc\u3080\uff0e<br>\u3000\uff082\uff09\u6b21\u306b\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u6574\u6570 <kbd>n<\/kbd><\/span><\/strong> \u3092\u8aad\u307f\u8fbc\u3080\uff08<kbd>n<\/kbd> \u306f 1 \u4ee5\u4e0a\u3068\u4eee\u5b9a\u3057\u3066\u3088\u3044\uff09\uff0e<br>\u3000\uff083\uff09\u6700\u5f8c\u306b\uff0c\uff081\uff09\u3067\u8aad\u307f\u8fbc\u3093\u3060<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6587\u5b57\u5217\u3092 <kbd>n<\/kbd> \u500b\u9023\u7d9a\u3057\u3066 <kbd>log.txt<\/kbd> \u3078\u66f8\u304d\u8fbc\u3080\uff08\u8ffd\u8a18\u3059\u308b\uff09<\/span><\/strong>\uff0e<br> \u3000\u3000\u3000\u305f\u3060\u3057\uff0c<strong><mark style=\"background-color:#ffffca\" class=\"has-inline-color\">2 \u500b\u76ee\u4ee5\u964d<\/mark>\u3092\u66f8\u304d\u8fbc\u3080\u969b\u306b\u306f<mark style=\"background-color:#fff97d\" class=\"has-inline-color\">\u305d\u306e\u524d\u306b\u7a7a\u767d\u3082 1 \u500b\u5165\u308c\u308b<\/mark><\/strong>\u3053\u3068\u3068\u3057\uff0c<br>\u3000\u3000\u3000<strong>\uff08\u6700\u5f8c\u306e\uff09<mark style=\"background-color:#ffd2fe\" class=\"has-inline-color\"><kbd>n<\/kbd> \u500b\u76ee\u306e\u5f8c\u306b\u306f\u6539\u884c<\/mark><\/strong>\u3082\u66f8\u304d\u8fbc\u3080\u3053\u3068\uff0e<br><br><strong>\u3010\u6ce8\u610f\u3011<\/strong><br>\u4ee5\u4e0b\u306e\u5b9f\u884c\u4f8b\u3067\u4f5c\u6210\u3055\u308c\u308b <kbd>log.txt<\/kbd> \u306e\u5834\u5408\uff0c<strong><span class=\"tadv-color\" style=\"color:#ff0000\">1 \u500b\u76ee\u306e <kbd>###<\/kbd> \u3084 <kbd>hello<\/kbd> \u306e\u5de6\u306b\u306f\u7a7a\u767d\u304c\u5165\u3063\u3066\u3044\u306a\u3044<\/span><\/strong>\u70b9\u306b\u6ce8\u610f\u305b\u3088\uff08<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u7a7a\u767d\u304c\u5165\u308b\u306e\u306f 2 \u500b\u76ee\u4ee5\u964d\u306e\u307f<\/span><\/strong>\uff09\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: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u8ffd\u52a0\u3057\u305f\u3044\u6587\u5b57\u5217\uff08\u7a7a\u767d\u7121\u3057\uff09\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">###<\/span>\n\u7e70\u308a\u8fd4\u3057\u306e\u56de\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">4<\/span>\nlog.txt \u306b ### \u3092 4 \u56de\u7e70\u308a\u8fd4\u3057\u66f8\u304d\u8fbc\u307f\u307e\u3057\u305f<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\u3010\u5b9f\u884c\u4f8b\uff11\u3092\u5b9f\u884c\u5f8c\u306e log.txt \u306e\u5185\u5bb9\uff1b\u5b9f\u884c\u524d\u306f\u7a7a\u3067\u3042\u3063\u305f\u3068\u3059\u308b\u3011\n<pre style=\"border: solid 1pt black; padding: 0; width: 180px; margin-left:20pt\">### ### ### ###<span style=\"color:#00aa00\">\u23ce<\/span><\/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<br>\u4e0a\u306e\u5b9f\u884c\u4f8b 1 \u306b\u5f15\u304d\u7d9a\u3044\u3066\u5b9f\u884c\u3057\uff0c<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">log.txt \u306e\u4e2d\u8eab\u304c\u6b63\u3057\u304f\u4ee5\u4e0b\u306b\u793a\u3059\u5185\u5bb9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u5fc5\u305a\u78ba\u8a8d<\/mark><\/strong>\u305b\u3088\uff0e\uff08\u307e\u308c\u306b\u3053\u306e\u78ba\u8a8d\u3092\u305b\u305a\u306b\u63d0\u51fa\u3059\u308b\u4eba\u304c\u3044\u3066\u975e\u5e38\u306b\u8ff7\u60d1\u3057\u3066\u3044\u307e\u3059\uff09<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u8ffd\u52a0\u3057\u305f\u3044\u6587\u5b57\u5217\uff08\u7a7a\u767d\u7121\u3057\uff09\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">hello<\/span>\n\u7e70\u308a\u8fd4\u3057\u306e\u56de\u6570\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">3<\/span>\nlog.txt \u306b hello \u3092 3 \u56de\u7e70\u308a\u8fd4\u3057\u66f8\u304d\u8fbc\u307f\u307e\u3057\u305f<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\u3010\u5b9f\u884c\u4f8b\uff11\u306e\u5f8c\u306b\u5b9f\u884c\u4f8b\uff12\u3092\u5b9f\u884c\u3057\u3066\u3067\u304d\u308b log.txt \u306e\u5185\u5bb9\u3011<br>\n\u203b\u30d5\u30a1\u30a4\u30eb\u3078\u66f8\u304d\u8fbc\u3080\u969b\uff0c\u672b\u5c3e\u306b\u6539\u884c\u3092\u5165\u308c\u5fd8\u308c\u3066\u3044\u308b\u3068\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3089\u305a\u306b\u6a2a\u306b\u3064\u306a\u304c\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u6ce8\u610f\u305b\u3088\uff0e\n<pre style=\"border: solid 1pt black; padding: 0; width: 200px; margin-left:20pt\">### ### ### ###<span style=\"color:#00aa00\">\u23ce<\/span>\nhello hello hello<span style=\"color:#00aa00\">\u23ce<\/span><\/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> \u3000\u4f8b\u3048\u3070\uff0c<span class=\"tadv-color\" style=\"color:#0000ff\"><strong>1 \u500b\u76ee\u306e\u6587\u5b57\u5217\u306e\u5de6\u306b\u3082\u7a7a\u767d<\/strong><\/span>\u304c\u5165\u3063\u3066\u3057\u307e\u3063\u3066\u3044\u305f\u308a\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u6bce\u56de\u6539\u884c<\/span><\/strong>\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 \u6587\u5b57\u5217\u3092 <kbd>n<\/kbd> \u500b\u9023\u7d9a\u3057\u3066\u66f8\u304d\u8fbc\u3093\u3060\u5f8c\u306b<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6539\u884c\u3092\u66f8\u304d\u8fbc\u3080\u306e\u3092\u5fd8\u308c\u3066<\/span><\/strong>\u3044\u308b\uff0e<br>\u3000\uff08\u3053\u308c\u3092\u5fd8\u308c\u308b\u3068\u5b9f\u884c\u4f8b\uff11\uff0c\uff12\u306e\u9806\u306b\u52d5\u304b\u3057\u305f\u5834\u5408\u306b\u6a2a\u306b\u3064\u306a\u304c\u3063\u3066\u3057\u307e\u3046\uff09<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\/p12\/p1201a\/\">\u7df4\u7fd2 1 (p1201a.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\/p12\/p1203a\/\">\u7df4\u7fd2 3 (p1203a.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\uff1ap1202a.c\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p1202a.c\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0ep1202a.c \u306f\u6307\u5b9a\u3055\u308c\u305f\u6587\u5b57\u5217\u3092\u6307\u5b9a\u3055\u308c\u305f\u500b\u6570\u3060\u3051\u30d5\u30a1\u30a4\u30eb\u3078\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3057\u305f\u9014\u4e2d\u306e\u3082\u306e\uff08\u672a\u5b8c\u6210\uff09\u3067\u3042\u308b <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p12\/p1202a\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10445,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-10455","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10455","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=10455"}],"version-history":[{"count":6,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10455\/revisions"}],"predecessor-version":[{"id":12754,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10455\/revisions\/12754"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/10445"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=10455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}