{"id":10072,"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=10072"},"modified":"2026-06-06T17:00:51","modified_gmt":"2026-06-06T08:00:51","slug":"p0904a","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p09\/p0904a\/","title":{"rendered":"\u7df4\u7fd2 [9] \u6587\u5b57\u5217\uff084\/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 4<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap0904a.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a href=\"https:\/\/se.cite.ehime-u.ac.jp\/lecture\/prog\/material\/p0904a.c\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p0904a.c\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br>\u305d\u3057\u3066\uff0c\u3053\u306e\u4e2d\u306e\u95a2\u6570<strong><mark style=\"background-color:rgba(0, 0, 0, 0);color: #ff0000;\" class=\"has-inline-color\"><span class=\"tadv-color\" style=\"color:#0000ff\"> convert \u3092\u4ee5\u4e0b\u306e\u5909\u63db\u64cd\u4f5c\u3092\u884c\u3046<\/span><\/mark><\/strong>\u3082\u306e\u306b\u4ed5\u4e0a\u3052\u306a\u3055\u3044\uff0e<br><br>\u3053\u306e\u554f\u984c\u3067\u306f\uff0c\u6587\u5b57\u5217\uff08\u7a7a\u767d\u3092\u542b\u307e\u306a\u3044 <kbd>SIZE-1<\/kbd> \u6587\u5b57\u4ee5\u4e0b\u306e\u3082\u306e\uff09\u3092\u8aad\u307f\u8fbc\u3093\u3067\uff0c<br>\u305d\u306e\u5185\u5bb9\u3092<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u4ee5\u4e0b\u306e\u30eb\u30fc\u30eb\u306b\u5f93\u3063\u3066\u5909\u63db<\/span><\/strong>\u3057\u3066\u51fa\u529b\u3055\u305b\u308b\u3082\u306e\u3068\u3059\u308b\uff08<kbd>SIZE<\/kbd> \u306f\u30de\u30af\u30ed\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\uff09\uff0e<br><br><strong>\u3010\u5909\u63db\u30eb\u30fc\u30eb\u3011<\/strong><br>\u305d\u308c\u305e\u308c\u306e\u6587\u5b57\u304c<br>\u3000\u25cf \u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u5927\u6587\u5b57<\/span><\/strong>\u306e\u5834\u5408\uff1a<span class=\"tadv-color\" style=\"color:#0000ff\"><strong>\u5c0f\u6587\u5b57<\/strong><\/span>\u3078\u5909\u63db\u3059\u308b\uff0e<br>\u3000\u25cf \u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u5c0f\u6587\u5b57<\/span><\/strong>\u306e\u5834\u5408\uff1a<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u5927\u6587\u5b57<\/span><\/strong>\u3078\u5909\u63db\u3059\u308b\uff0e<br>\u3000\u25cf <strong><span class=\"tadv-color\" style=\"color:#008800\">\u6570\u5b57<\/span><\/strong>\u306e\u5834\u5408\uff1a\u534a\u89d2\u306e\u30cf\u30a4\u30d5\u30f3\uff08\u203b\u30de\u30a4\u30ca\u30b9\uff09\uff08<kbd><span class=\"tadv-color\" style=\"color:#008800\">-<\/span><\/kbd>\uff09\u3078\u5909\u63db\u3059\u308b\uff0e<br>\u3000\u25cf \u4e0a\u306e\u3044\u305a\u308c\u3067\u3082\u306a\u3044\u5834\u5408\uff1a\u5909\u63db\u3057\u306a\u3044\uff08\u305d\u306e\u307e\u307e\uff09\uff0e<br><br>\u306a\u304a\uff0c\u5165\u529b\u3055\u308c\u308b\u6587\u5b57\u5217\u306e\u9577\u3055\u306f <kbd>SIZE-1<\/kbd> \u6587\u5b57\u4ee5\u4e0b\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u3088\u3044\uff0e<br>\u307e\u305f\uff0c\u30de\u30af\u30ed\u306e\u5b9a\u7fa9\u90e8\u5206\u4ee5\u5916\u306b <kbd>100<\/kbd> \uff08\u3084 <kbd>99<\/kbd>, <kbd>98<\/kbd> \u3068\u3044\u3063\u305f\u95a2\u9023\u3059\u308b\u6570\u5b57\uff09\u3092\u76f4\u63a5\u66f8\u3044\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e<br><br><strong>\u3010\u6ce8\u610f\u4e8b\u9805\u3011<\/strong><br>\u3000\uff11\uff09\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\"><kbd>str<\/kbd> \u4ee5\u5916\u306e<\/mark> <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">char \u914d\u5217\u3092\u7528\u610f\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093<\/mark><\/strong>\uff0e<br>\u3000\uff12\uff09convert \u306e\u4e2d\u8eab\u3092\u5b8c\u6210\u3055\u305b\u308b\u306e\u304c\u984c\u610f\u3067\u3042\u308a\uff0c<mark style=\"background-color:#fff6ac\" class=\"has-inline-color\">main \u95a2\u6570\u3092\u66f8\u304d\u63db\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093<\/mark>\uff0e<\/p>\n\n\n\n<p class=\"hint wp-block-paragraph\"><strong>\u3010\u30d2\u30f3\u30c8\u3011<\/strong><br>char \u914d\u5217 <kbd>str<\/kbd> \u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u6587\u5b57\u5217\u306e\u5404\u6587\u5b57 <kbd>str[i]<\/kbd> \u306b\u3064\u3044\u3066\uff0c<br>\u305d\u308c\u304c\u30a2\u30eb\u30d5\u30a1\u30d9\u30c3\u30c8\u5927\u6587\u5b57\u304b\u3069\u3046\u304b\u306f <kbd><span class=\"tadv-color\" style=\"color:#0000ff\">if ( isupper(str[i]) )<\/span><\/kbd> \u3067\u5224\u5b9a\u3067\u304d\u307e\u3059\uff0e<br>\u305d\u306e\u4ed6\u3082\u540c\u69d8\u3067<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u8b1b\u7fa9\u30b9\u30e9\u30a4\u30c9\u306e\u6700\u5f8c\u306e 2 \u30da\u30fc\u30b8\u3092\u53c2\u8003<\/span><\/strong>\u306b\u3057\u3066\u304f\u3060\u3055\u3044\uff0e<br>\u306a\u304a\uff0c\u30cf\u30a4\u30d5\u30f3\uff08\u30de\u30a4\u30ca\u30b9\uff09\u3078\u5909\u63db\u3059\u308b\u5834\u5408\u306f\u5358\u7d14\u306b <kbd>'-'<\/kbd> \u3067\u4e0a\u66f8\u304d\u3059\u308b\u3060\u3051\u3067\u3088\u3044\u3067\u3059\uff0e<br>\u203b <kbd><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\"<\/mark>-<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-red-color\">\"<\/mark><\/kbd> \u3067\u306f\u306a\u304f <kbd><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">'<\/mark>-<mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">'<\/mark><\/kbd> \u3067\u3059\u306e\u3067\uff0c\u56f2\u307f\u306b\u4f7f\u3046\u8a18\u53f7\u3092\u9593\u9055\u3048\u306a\u3044\u3088\u3046\u306b\uff0e<br><br>\u307e\u305f\uff0c\u6587\u5b57\u5217\u5185\u306e\u6587\u5b57\u3092\u5148\u982d\u304b\u3089\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u304f\u5834\u5408\uff0c<br><kbd>for ( i = 0; <span class=\"tadv-color\" style=\"color:#ff0000\">i &lt; SIZE<\/span>; i++ ){<\/kbd> &#8230;\u3000\u306e\u3088\u3046\u306b<strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-green-color\">\u914d\u5217\u5185\u306e\u3059\u3079\u3066\u306e\u6587\u5b57\u3092\u898b\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093<\/mark><\/strong>\uff0e<br><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u30ca\u30eb\u6587\u5b57\u3088\u308a\u5f8c\u306f\u898b\u308b\u5fc5\u8981\u306f\u306a\u3044<\/mark><\/strong>\u306e\u3067 for \u6587\u3067\u66f8\u304f\u306a\u3089\u3070\uff0c\u4ee3\u308f\u308a\u306b<br><kbd>for ( i = 0; <span class=\"tadv-color\" style=\"color:#ff0000\">str[i] != '\\0'<\/span>; i++ )<\/kbd>{ &#8230;\u3000\u3068\u66f8\u304f\u306e\u304c\u826f\u3044\u3067\u3057\u3087\u3046\uff0e<br>while \u6587\u3067\u66f8\u304f\u5834\u5408\u3082\u540c\u69d8\u3067\u3059\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><mark style=\"background-color:#fdb4ff\" class=\"has-inline-color\">\u203b\u300c\u5909\u63db\u5f8c\u300d\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5185\u5bb9\u304c\uff0c\u5927\u6587\u5b57\u30fb\u5c0f\u6587\u5b57\u3092\u542b\u3081\u3066\u3059\u3079\u3066\u6b63\u3057\u3044\u304b\u5fc5\u305a\u78ba\u8a8d\u305b\u3088<\/mark><\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 430px; margin-top: -15pt; margin-bottom: 10px;\">\u5909\u63db\u5143\u306e\u6587\u5b57\u5217\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff0899\u6587\u5b57\u4ee5\u4e0b\uff09\uff1a<span style=\"color:#00aa00\">\u23ce<\/span>\n<span class=\"has-inline-color\" style=\"color: #ff0000;\">tHIS0IS2A9sAMPLE<\/span>\n\u5909\u63db\u524d [tHIS0IS2A9sAMPLE]<span style=\"color:#00aa00\">\u23ce<\/span>\n\u5909\u63db\u5f8c [This-is-a-Sample]<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: 430px; margin-top: -15pt; margin-bottom: 10px;\">\u5909\u63db\u5143\u306e\u6587\u5b57\u5217\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff0899\u6587\u5b57\u4ee5\u4e0b\uff09\uff1a<span style=\"color:#00aa00\">\u23ce<\/span>\n<span class=\"has-inline-color\" style=\"color: #ff0000;\">c8pROGRAM.\/.C3fILE<\/span>\n\u5909\u63db\u524d [c8pROGRAM.\/.C3fILE]<span style=\"color:#00aa00\">\u23ce<\/span>\n\u5909\u63db\u5f8c [C-Program.\/.c-File]<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\">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<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u304c\u9006\u3067\u3042\u3063\u305f\u308a\uff0c\u6570\u5b57\u304c\u305d\u306e\u307e\u307e\u51fa\u529b\u3055\u308c\u305f\u308a<\/span><\/strong>\u3057\u3066\u3044\u308b\uff0e<br> \u25a0 <strong>\u30ca\u30eb\u6587\u5b57\u3092\u5225\u306e\u6587\u5b57\u3067\u4e0a\u66f8\u304d<\/strong>\u3057\u3066\u3057\u307e\u3044\uff0c\u51fa\u529b\u306e\u969b\u306b<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6587\u5b57\u5316\u3051<\/span><\/strong>\u304c\u8d77\u304d\u3066\u3044\u308b\uff0e<br> \u25a0 \u30de\u30af\u30ed <kbd>SIZE<\/kbd> \u306e\u5b9a\u7fa9\u90e8\u5206\u4ee5\u5916\u306b <strong>\u76f4\u63a5 <span class=\"tadv-color\" style=\"color:#0000ff\"><kbd>100<\/kbd> \u3084 <kbd>99<\/kbd>, <kbd>98<\/kbd> \u7b49\u3068\u66f8\u3044\u3066<\/span><\/strong>\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 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\/p0903a\/\">\u7df4\u7fd23 (p0903a.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\/p0905a\/\">\u7df4\u7fd25 (p0905a.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7df4\u7fd2 4\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap0904a.c\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p0904a.c\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e\u305d\u3057\u3066\uff0c\u3053\u306e\u4e2d\u306e\u95a2\u6570 convert \u3092\u4ee5\u4e0b\u306e\u5909\u63db\u64cd\u4f5c\u3092\u884c\u3046\u3082\u306e\u306b\u4ed5\u4e0a\u3052\u306a\u3055\u3044\uff0e \u3053\u306e\u554f\u984c\u3067\u306f\uff0c\u6587\u5b57\u5217\uff08\u7a7a\u767d <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice-advance\/p09\/p0904a\/\">&#8230; 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