{"id":26074,"date":"2024-03-17T06:23:26","date_gmt":"2024-03-16T21:23:26","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/"},"modified":"2024-03-22T13:00:29","modified_gmt":"2024-03-22T04:00:29","slug":"c%e8%a8%80%e8%aa%9e%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%ae%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95%e3%81%a7%e3%81%99%e3%81%8b%ef%bc%9f\/","title":{"rendered":"C\u8a00\u8a9e\u306e\u4f7f\u7528\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>C\u8a00\u8a9e\u306b\u306f\u3001&#8221;in&#8221;\u6f14\u7b97\u5b50\u306f\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u6761\u4ef6\u6587\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001&#8221;in&#8221;\u64cd\u4f5c\u3092\u6a21\u5023\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300c\u300ein\u300f\u6f14\u7b97\u5b50\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u6761\u4ef6\u6587\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306e\u4e00\u3064\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a\u300d<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> num = <span class=\"hljs-number\">5<\/span>;\r\n    <span class=\"hljs-type\">int<\/span> arr[] = {<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">5<\/span>, <span class=\"hljs-number\">7<\/span>, <span class=\"hljs-number\">9<\/span>};\r\n\r\n    <span class=\"hljs-type\">int<\/span> isInArray = <span class=\"hljs-number\">0<\/span>; <span class=\"hljs-comment\">\/\/ \u521d\u59cb\u5316\u4e3a\u5047<\/span>\r\n\r\n    <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-keyword\">sizeof<\/span>(arr) \/ <span class=\"hljs-keyword\">sizeof<\/span>(arr[<span class=\"hljs-number\">0<\/span>]); i++) {\r\n        <span class=\"hljs-keyword\">if<\/span> (num == arr[i]) {\r\n            isInArray = <span class=\"hljs-number\">1<\/span>; <span class=\"hljs-comment\">\/\/ \u5982\u679c\u627e\u5230\u76f8\u7b49\u7684\u5143\u7d20\uff0c\u5c06isInArray\u8bbe\u7f6e\u4e3a\u771f<\/span>\r\n            <span class=\"hljs-keyword\">break<\/span>; <span class=\"hljs-comment\">\/\/ \u627e\u5230\u540e\u53ef\u4ee5\u63d0\u524d\u7ed3\u675f\u5faa\u73af<\/span>\r\n        }\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">if<\/span> (isInArray) {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"%d is in the array.\"<\/span>, num);\r\n    } <span class=\"hljs-keyword\">else<\/span> {\r\n        <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"%d is not in the array.\"<\/span>, num);\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>\u914d\u5217\u3092\u8d70\u67fb\u3057\u3066\u3001\u5404\u8981\u7d20\u304c\u4e0e\u3048\u3089\u308c\u305f\u5024\u3068\u7b49\u3057\u3044\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3001\u7b49\u3057\u3044\u8981\u7d20\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u306fisInArray\u5909\u6570\u3092true\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u6700\u5f8c\u306b\u3001isInArray\u306e\u5024\u306b\u57fa\u3065\u3044\u3066\u7d50\u679c\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u305f\u30601\u3064\u306e\u65b9\u6cd5\u3067\u3042\u308a\u3001\u5177\u4f53\u7684\u306a\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u7570\u306a\u308b\u5b9f\u88c5\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u8a00\u8a9e\u306b\u306f\u3001&#8221;in&#8221;\u6f14\u7b97\u5b50\u306f\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u6761\u4ef6\u6587\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001&#8221;in&#8221;\u64cd\u4f5c\u3092\u6a21\u5023\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 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