{"id":5607,"date":"2025-06-24T15:30:48","date_gmt":"2025-06-24T06:30:48","guid":{"rendered":"https:\/\/www.bold.ne.jp\/engineer-club\/?p=5607"},"modified":"2025-12-19T12:58:43","modified_gmt":"2025-12-19T03:58:43","slug":"c-while","status":"publish","type":"post","link":"https:\/\/www.bold.ne.jp\/engineer-club\/c-while","title":{"rendered":"\uff23\u8a00\u8a9e\u306ewhile\u6587\u3068\u306f\u3000\uff5e\u7e70\u308a\u8fd4\u3057\u51e6\u7406\uff5e"},"content":{"rendered":"<p>C\u8a00\u8a9e\u306ewhile\u6587\u3068\u306f\u3001\u7e70\u308a\u8fd4\u3057\u540c\u3058\u51e6\u7406(\u30eb\u30fc\u30d7)\u3092\u884c\u3046\u305f\u3081\u306e\u69cb\u6587\u3067\u3059\u3002\u6761\u4ef6\u5f0f\u3092\u6307\u5b9a\u3057\u3066\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u304c\u3001\u8907\u6570\u306e\u6761\u4ef6\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u308a\u3001\u30cd\u30b9\u30c8\u3068\u547c\u3070\u308c\u308b\u4e8c\u91cd\u30eb\u30fc\u30d7\u3084\u7121\u9650\u30eb\u30fc\u30d7\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306fwhile\u6587\u3068do-while\u6587\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#Cwhile\">\uff11\uff0eC\u8a00\u8a9e\u306ewhile\u6587\u3068\u306f<\/a><\/li><li><a href=\"#C_while\">\uff12\uff0eC\u8a00\u8a9e while\u6587\u306e\u4f7f\u3044\u65b9<\/a><ul><li><a href=\"#-while\">\uff12-\uff11\uff0ewhile\u6587\u306e\u66f8\u5f0f<\/a><\/li><li><a href=\"#-while-2\">\uff12-\uff11\uff0ewhile\u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/a><\/li><li><a href=\"#-while1\">\uff12-\uff13\uff0ewhile(1)\u306b\u3088\u308b\u7121\u9650\u30eb\u30fc\u30d7<\/a><\/li><li><a href=\"#-while-3\">\uff12-\uff14\uff0ewhile\u6587\u306e\u5236\u5fa1<\/a><\/li><li><a href=\"#i\">\uff12-\uff15\uff0e\u8907\u6570\u306e\u6761\u4ef6\u5f0f<\/a><\/li><\/ul><\/li><li><a href=\"#do-while\">\uff13\uff0edo-while\u6587\u306e\u4f7f\u3044\u65b9<\/a><ul><li><a href=\"#-do-while\">\uff13-\uff11\uff0edo-while\u6587\u306e\u66f8\u5f0f<\/a><\/li><li><a href=\"#-do-while-2\">\uff13-\uff12\uff0edo-while\u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/a><\/li><li><a href=\"#-while-4\">\uff13-\uff13\uff0ewhile\u6587\u3068\u306e\u9055\u3044<\/a><\/li><\/ul><\/li><li><a href=\"#i-2\">\uff14\uff0e\u3055\u3044\u3054\u306b<\/a><\/li><\/ul><\/div>\n<h2><span id=\"Cwhile\">\uff11\uff0eC\u8a00\u8a9e\u306ewhile\u6587\u3068\u306f<\/span><\/h2>\n<p>while\u6587\u3068\u306f\u3001\u7e70\u308a\u8fd4\u3059\u305f\u3081\u306e\u6761\u4ef6\u3092\u6307\u5b9a\u3057\u3066\u3001\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u69cb\u6587\u3067\u3059\u3002<\/p>\n<h2><span id=\"C_while\">\uff12\uff0eC\u8a00\u8a9e while\u6587\u306e\u4f7f\u3044\u65b9<\/span><\/h2>\n<p>C\u8a00\u8a9e\u306ewhile\u6587\u306e\u66f8\u5f0f\u3001while\u6587\u3092\u4f7f\u3063\u305f\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u65b9\u6cd5\u3068\u3001\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5236\u5fa1\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"-while\">\uff12-\uff11\uff0ewhile\u6587\u306e\u66f8\u5f0f<\/span><\/h3>\n<p>while\u6587\u306f\u3001\u7e70\u308a\u8fd4\u3057\u306e\u6761\u4ef6\u3092\u300c()\u300d\u3067\u56f2\u3044\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u300c{}\u300d\u3067\u56f2\u3063\u3066\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u6587\u7ae0\u306f\u3053\u3053\u304b\u3089\u66f8\u304d\u59cb\u3081\u3066\u304f\u3060\u3055\u3044\u3002 while (\u6761\u4ef6\u5f0f) { \/\/\u6761\u4ef6\u5f0f\u304c\u771f\u306e\u9593\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u51e6\u7406 }<\/p>\n<pre class=\"prettyprint lang:default decode:true\">while (\u6761\u4ef6\u5f0f) {\r\n    \/\/\u6761\u4ef6\u5f0f\u304c\u771f\u306e\u9593\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u51e6\u7406\r\n} \r\n<\/pre>\n<p>\u6761\u4ef6\u5f0f\u306f\u51e6\u7406\u306e\u958b\u59cb\u6642\u306b\u6bce\u56de\u8a55\u4fa1\u3055\u308c\u3001\u771f\u306e\u5834\u5408\u306b\u7e70\u308a\u8fd4\u3057\u3092\u7d99\u7d9a\u3057\u3001\u507d\u306e\u5834\u5408\u306f\u7e70\u308a\u8fd4\u3057\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"-while-2\">\uff12-\uff11\uff0ewhile\u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/span><\/h3>\n<p>while\u6587\u3067\u306f\u3001\u6761\u4ef6\u5f0f\u304c\u771f\u306e\u9593\u3001\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<br \/>\n0\u304b\u30893\u307e\u3067\u51fa\u529b\u3059\u308b\u51e6\u7406\u3092while\u6587\u3067\u8a18\u8ff0\u3059\u308b\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">#include <stdio.h>\r\n\r\nint main(void){\r\n    int i=0;\r\n    while (i&lt;4) {\r\n        printf(\u201c%d\\n\u201d,i);\r\n        i++;\r\n    }\r\n\r\n    return 0;\r\n}<\/stdio.h><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">0\r\n1\r\n2\r\n3\r\n\r\n<\/pre>\n<p>while\u6587\u306e\u5b9f\u884c\u304c\u958b\u59cb\u3055\u308c\u308b\u3068\u3001\u6761\u4ef6\u5f0f\u306b\u5f93\u3063\u3066\u3001\u3042\u3089\u304b\u3058\u3081\u5ba3\u8a00\u3055\u308c0\u3067\u521d\u671f\u5316\u3055\u308c\u305f\u5909\u6570i\u304c4\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305fprintf\u95a2\u6570\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3001i\u306e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8(1\u52a0\u7b97\u3059\u308b\u51e6\u7406)\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001i\u304c0\u304b\u30893\u307e\u3067\u306e\u9593\u3001i\u306e\u5024\u3092\u51fa\u529b\u5f8c\u306bi\u3092\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3059\u308b\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>while\u6587\u306e\u6761\u4ef6\u5f0f\u304c\u6700\u521d\u304b\u3089\u507d\u306e\u5834\u5408\u306b\u306f\u3001\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305f\u51e6\u7406\u306f\u4e00\u5ea6\u3082\u5b9f\u884c\u3055\u308c\u305a\u306b\u6b21\u306e\u51e6\u7406\u306b\u79fb\u308a\u307e\u3059\u3002\u5c11\u306a\u304f\u3068\u30821\u56de\u306f\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305f\u51e6\u7406\u3092\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u5f8c\u8ff0\u306edo-while\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>while\u6587\u3067\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3068\u3057\u3066while\u6587\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092\u4e8c\u91cd\u30eb\u30fc\u30d7\u3068\u3044\u3044\u3001while\u6587\u306e\u5185\u90e8\u306bwhile\u6587\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3092\u8907\u6570\u56de\u884c\u3063\u305f\u5834\u5408\u3001\u591a\u91cd\u30eb\u30fc\u30d7\u3068\u3044\u3044\u307e\u3059\u3002\u69cb\u6587\u306e\u5185\u90e8\u306b\u540c\u3058\u69cb\u6587\u3092\u8a18\u8ff0\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5165\u308c\u5b50\u3084\u30cd\u30b9\u30c8\u3068\u3082\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>1 &#8211; 1\u304b\u30893 &#8211; 3\u307e\u3067\u51fa\u529b\u3059\u308b\u51e6\u7406\u3092while\u6587\u306e\u4e8c\u91cd\u30eb\u30fc\u30d7\u3067\u8a18\u8ff0\u3059\u308b\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">#include <stdio.h>\r\n\r\nint main(void){\r\n    int i=1;\r\n    int j;\r\n    while(i&lt;=3){ \/\/while\u6587\u2460\r\n        j=1;\r\n        while(j&lt;=3){ \/\/while\u6587\u2461\r\n            printf(\"%d - %d\\n\",i,j);\r\n            j++;\r\n        }\r\n        i++;\r\n    }\r\n\r\n    return 0;\r\n}<\/stdio.h><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">1 - 1\r\n1 - 2\r\n1 - 3\r\n2 - 1\r\n2 - 2\r\n2 - 3\r\n3 - 1\r\n3 - 2\r\n3 - 3<\/pre>\n<p>i\u304c1\u304b\u30893\u307e\u3067\u306e\u9593\u3001while\u6587\u2461\u306e\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002while\u6587\u2461\u3067\u306fj\u304c1\u304b\u30893\u307e\u3067\u306e\u9593printf()\u306e\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u308b\u305f\u3081\u3001printf\u95a2\u6570\u306b\u3088\u308b\u51fa\u529b\u306f3 x 3 = 9\u56de\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002while\u6587\u2460\u306e\u51e6\u7406\u306e\u6700\u521d\u3067j\u3092\u521d\u671f\u5316\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001i\u306e\u5024\u306b\u3088\u3089\u305awhile\u6587\u2461\u306e\u51e6\u7406\u3092j\u304c1\u306e\u72b6\u614b\u304b\u3089\u958b\u59cb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>while\u6587\u3067\u591a\u91cd\u30eb\u30fc\u30d7\u3092\u4f7f\u3046\u5834\u5408\u3001\u6761\u4ef6\u5f0f\u3084\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305f\u51e6\u7406\u3067\u4f7f\u7528\u3059\u308b\u5909\u6570\u306e\u521d\u671f\u5316\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u81ea\u5206\u3067\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u521d\u671f\u5316\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u9593\u9055\u3048\u308b\u3068\u3001\u610f\u56f3\u3057\u306a\u3044\u5024\u3067\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u304c\u884c\u308f\u308c\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u51e6\u7406\u306e\u6700\u521d\u3067\u5fc5\u305a\u521d\u671f\u5316\u3092\u884c\u3046for\u6587\u3068\u4f7f\u3044\u5206\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><span id=\"-while1\">\uff12-\uff13\uff0ewhile(1)\u306b\u3088\u308b\u7121\u9650\u30eb\u30fc\u30d7<\/span><\/h3>\n<p>while\u6587\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3066\u300c()\u300d\u3067\u56f2\u308f\u308c\u305f\u7e70\u308a\u8fd4\u3057\u306e\u6761\u4ef6\u3092\u5fc5\u305a\u771f\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u7121\u9650\u306b\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">while (1) {\r\n    \/\/\u7121\u9650\u306b\u5b9f\u884c\u3059\u308b\u51e6\u7406\r\n}<\/pre>\n<p>C\u8a00\u8a9e\u30671\u306f\u771f\u3092\u610f\u5473\u3057\u3066\u304a\u308a(0\u306f\u507d\u3092\u610f\u5473\u3057\u307e\u3059)\u3001\u3053\u308c\u3092\u7121\u9650\u30eb\u30fc\u30d7\u3068\u3044\u3044\u307e\u3059\u304c\u3001\u51e6\u7406\u304c\u6b62\u307e\u3089\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u3042\u3089\u304b\u3058\u3081\u51e6\u7406\u3092\u6b62\u3081\u308b\u65b9\u6cd5\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u4f7f\u3046\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5f8c\u8ff0\u3059\u308bbreak\u53e5\u3092\u4f7f\u7528\u3059\u308c\u3070\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u6b62\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span id=\"-while-3\">\uff12-\uff14\uff0ewhile\u6587\u306e\u5236\u5fa1<\/span><\/h3>\n<p>C\u8a00\u8a9e\u3067\u306f\u3001while\u6587\u306e\u300c()\u300d\u3067\u56f2\u3093\u3067\u8a18\u8ff0\u3059\u308b\u6761\u4ef6\u5f0f\u4ee5\u5916\u3067\u3082\u7e70\u308a\u8fd4\u3057\u3092\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>break\u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4ee5\u964d\u306e\u51e6\u7406\u3092\u884c\u308f\u305a\u306bwhile\u6587\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u6b62\u3081\u3001while\u6587\u306e\u5f8c\u7d9a\u306e\u51e6\u7406\u306b\u79fb\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n0\u304b\u30899\u307e\u3067\u51fa\u529b\u3059\u308bwhile\u6587\u306e\u51e6\u7406\u3092break\u53e5\u3067\u6b62\u3081\u308b\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">#include <stdio.h>\r\n\r\nint main(void){\r\n    int i=0;\r\nwhile (i&lt;10) {\r\n        if (i&gt;3) {\r\nbreak;\r\n}\r\nprintf(\u201c%d\\n\u201d,i);\r\ni++;\r\n    }\r\n\r\n    printf(\u201cend\\n\u201d);\r\n    return 0;\r\n}\r\n<\/stdio.h><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">0\r\n1\r\n2\r\n3\r\nend\r\n\r\n<\/pre>\n<p>while\u6587\u306b\u8a18\u8ff0\u3055\u308c\u305f\u6761\u4ef6\u5f0f\u3067\u306f\u3001\u5909\u6570i\u304c0\u304b\u30899\u307e\u3067\u306e\u9593\u3001i\u306e\u5024\u3092\u51fa\u529b\u3059\u308b\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u304c\u3001i\u304c4\u306e\u3068\u304d\u306bbreak\u53e5\u304c\u5b9f\u884c\u3055\u308c\u3001i\u306e\u5024\u3092\u51fa\u529b\u305b\u305a\u306bwhile\u6587\u306e\u51e6\u7406\u3092\u629c\u3051\u307e\u3059\u3002<\/p>\n<p>continue\u53e5\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u4ee5\u964d\u306e\u51e6\u7406\u3092\u5b9f\u884c\u305b\u305a\u306b\u6b21\u306e\u56de\u306e\u51e6\u7406\u306b\u79fb\u308b\u3001\u3064\u307e\u308a\u305d\u306e\u56de\u306e\u51e6\u7406\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n1\u304b\u308910\u307e\u3067\u51fa\u529b\u3059\u308bwhile\u6587\u306e\u51e6\u7406\u3092continue\u53e5\u3067\u30b9\u30ad\u30c3\u30d7\u3059\u308b\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">#include <stdio.h>\r\n\r\nint main(void){\r\n    int i=0;\r\nwhile (i&lt;10) {\r\n        i++;\r\nif (i&lt;6) {\r\ncontinue;\r\n}\r\nprintf(\u201c%d\\n\u201d,i);\r\n}\r\n\r\n    return 0;\r\n}<\/stdio.h><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">6\r\n7\r\n8\r\n9\r\n10\r\n\r\n<\/pre>\n<p>while\u6587\u306b\u8a18\u8ff0\u3055\u308c\u305f\u6761\u4ef6\u5f0f\u3067\u306f\u3001\u5909\u6570i\u304c1\u304b\u308910\u307e\u3067\u306e\u9593\u3001i\u306e\u5024\u3092\u51fa\u529b\u3059\u308b\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u304c\u3001i\u304c5\u307e\u3067\u306fcontinue\u53e5\u304c\u5b9f\u884c\u3055\u308c\u3001i\u306e\u5024\u3092\u51fa\u529b\u305b\u305a\u306b\u6b21\u306e\u56de\u306e\u51e6\u7406\u306b\u79fb\u308a\u307e\u3059\u3002i\u306e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3092continue\u53e5\u306e\u524d\u306b\u8a18\u8ff0\u3057\u3066\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u51e6\u7406\u304c\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3001\u7121\u9650\u30eb\u30fc\u30d7\u306b\u306a\u308b\u3053\u3068\u3092\u9632\u3044\u3067\u3044\u307e\u3059\u3002<\/p>\n<h3><span id=\"i\"><stdio.h>\uff12-\uff15\uff0e\u8907\u6570\u306e\u6761\u4ef6\u5f0f<br \/>\n<\/stdio.h><\/span><\/h3>\n<p>while\u6587\u3067\u306f\u3001\u6761\u4ef6\u5f0f\u3068\u3057\u3066\u8907\u6570\u306e\u5f0f\u3092AND\u3084OR\u3001NOT\u3092\u610f\u5473\u3059\u308b\u300c&amp;&amp;\u300d\u300c||\u300d\u300c!\u300d\u3068\u3044\u3063\u305f\u8ad6\u7406\u6f14\u7b97\u5b50\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u88681\u306f\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u4e00\u89a7\u3067\u3059\u3002<\/p>\n<table style=\"border-collapse: collapse; width: 60.5652%;\">\n<tbody>\n<tr>\n<td style=\"width: 17.3599%;\">\u6f14\u7b97\u5b50<\/td>\n<td style=\"width: 19.3566%;\">\u8a18\u8f09\u4f8b<\/td>\n<td style=\"width: 23.8491%;\">\u8aac\u660e<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.3599%;\">!<\/td>\n<td style=\"width: 19.3566%;\">!a<\/td>\n<td style=\"width: 23.8491%;\">NOT(\u8ad6\u7406\u5426\u5b9a<span>)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.3599%;\">&amp;&amp;<\/td>\n<td style=\"width: 19.3566%;\">a &amp;&amp; b<\/td>\n<td style=\"width: 23.8491%;\">AND(\u8ad6\u7406\u7a4d<span>)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 17.3599%;\">||<\/td>\n<td style=\"width: 19.3566%;\">a || b<\/td>\n<td style=\"width: 23.8491%;\">OR(\u8ad6\u7406\u548c<span>)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8868<span>1. <\/span>\u8ad6\u7406\u6f14\u7b97\u5b50\u4e00\u89a7<\/p>\n<p>1\u304b\u30893\u307e\u3067\u51fa\u529b\u3059\u308b\u51e6\u7406\u3092\u8907\u6570\u306e\u6761\u4ef6\u5f0f\u3092\u4f7f\u3063\u3066while\u6587\u3067\u8a18\u8ff0\u3059\u308b\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">#include <stdio.h>\r\n\r\nint main(void){\r\n    int i=1;\r\n    while (i&gt;0 &amp;&amp; i&lt;4) {\r\n        printf(\u201c%d\\n\u201d,i);\r\n        i++;\r\n    }\r\n\r\n    return 0;\r\n}<\/stdio.h><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">1\r\n2\r\n3\r\n\r\n<\/pre>\n<p>while\u6587\u306e\u5b9f\u884c\u304c\u958b\u59cb\u3055\u308c\u308b\u3068\u3001\u6761\u4ef6\u5f0f\u306b\u5f93\u3063\u3066\u3001\u5909\u6570i\u304c0\u3088\u308a\u5927\u304d\u304f4\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305fprintf\u95a2\u6570\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3001i\u306e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8(1\u52a0\u7b97\u3059\u308b\u51e6\u7406)\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001i\u304c1\u304b\u30893\u307e\u3067\u306e\u9593\u3001i\u306e\u5024\u3092\u51fa\u529b\u5f8c\u306bi\u3092\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3059\u308b\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<br \/>\nwhile\u6587\u306e\u6761\u4ef6\u5f0f\u304c\u6700\u521d\u304b\u3089\u507d\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306bi\u30921\u3067\u521d\u671f\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span id=\"do-while\">\uff13\uff0edo-while\u6587\u306e\u4f7f\u3044\u65b9<\/span><\/h2>\n<p>C\u8a00\u8a9e\u306edo-while\u6587\u306e\u66f8\u5f0f\u3068\u3001while\u6587\u3068do-while\u6587\u306e\u51e6\u7406\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"-do-while\">\uff13-\uff11\uff0edo-while\u6587\u306e\u66f8\u5f0f<\/span><\/h3>\n<p>do-while\u6587\u306f\u3001while\u6587\u3068\u540c\u69d8\u306b\u7e70\u308a\u8fd4\u3057\u306e\u6761\u4ef6\u3092\u300c()\u300d\u3067\u56f2\u3044\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u51e6\u7406\u3092\u300c{}\u300d\u3067\u56f2\u3063\u3066\u8a18\u8ff0\u3057\u307e\u3059\u304c\u3001\u8a18\u8ff0\u3059\u308b\u9806\u756a\u304cwhile\u6587\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">do {\r\n    \/\/1\u56de\u76ee\u304a\u3088\u3073\u6761\u4ef6\u5f0f\u304c\u771f\u306e\u9593\u3001\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u51e6\u7406\r\n} while (\u6761\u4ef6\u5f0f);\r\n\r\n<\/pre>\n<p>\u6761\u4ef6\u5f0f\u306f\u51e6\u7406\u306e\u7d42\u4e86\u6642\u306b\u6bce\u56de\u8a55\u4fa1\u3055\u308c\u3001\u771f\u306e\u5834\u5408\u306b\u7e70\u308a\u8fd4\u3057\u3092\u7d99\u7d9a\u3057\u3001\u507d\u306e\u5834\u5408\u306f\u7e70\u308a\u8fd4\u3057\u3092\u7d42\u4e86\u3057\u307e\u3059\u3002<\/p>\n<h3><span id=\"-do-while-2\">\uff13-\uff12\uff0edo-while\u6587\u306b\u3088\u308b\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/span><\/h3>\n<p>do-while\u6587\u3067\u306f\u3001while\u6587\u3068\u540c\u69d8\u306b\u6761\u4ef6\u5f0f\u304c\u771f\u306e\u9593\u3001\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<br \/>\n0\u304b\u30893\u307e\u3067\u51fa\u529b\u3059\u308b\u51e6\u7406\u3092do-while\u6587\u3067\u8a18\u8ff0\u3059\u308b\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">#include <stdio.h>\r\n\r\nint main(void){\r\n    int i=0;\r\n    do {\r\n        printf(\u201c%d\\n\u201d,i);\r\n        i++;\r\n    } while (i&lt;4);\r\n\r\n    return 0;\r\n}<\/stdio.h><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"prettyprint lang:default decode:true\">0\r\n1\r\n2\r\n3\r\n\r\n<\/pre>\n<p>do-while\u6587\u306e\u5b9f\u884c\u304c\u958b\u59cb\u3055\u308c\u308b\u3068\u3001\u307e\u305a\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305fprintf\u95a2\u6570\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3001i\u306e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8(1\u52a0\u7b97\u3059\u308b\u51e6\u7406)\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u6761\u4ef6\u5f0f\u306b\u5f93\u3063\u3066\u3001\u5909\u6570i\u304c4\u3088\u308a\u5c0f\u3055\u3051\u308c\u3070\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305f\u51e6\u7406\u3092\u518d\u3073\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001i\u304c0\u304b\u30893\u307e\u3067\u306e\u9593\u3001i\u306e\u5024\u3092\u51fa\u529b\u5f8c\u306bi\u3092\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3059\u308b\u51e6\u7406\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span id=\"-while-4\">\uff13-\uff13\uff0ewhile\u6587\u3068\u306e\u9055\u3044<\/span><\/h3>\n<p>do-while\u6587\u306ewhile\u6587\u3068\u306e\u9055\u3044\u306f\u3001\u6761\u4ef6\u5f0f\u304c\u8a55\u4fa1\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3059\u3002while\u6587\u3067\u306f\u6761\u4ef6\u5f0f\u2192\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u9806\u756a\u3067\u5b9f\u884c\u3055\u308c\u308b\u306e\u306b\u5bfe\u3057\u3001do-while\u6587\u3067\u306f\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u2192\u6761\u4ef6\u5f0f\u306e\u9806\u756a\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u305f\u3081do-while\u6587\u3067\u306f\u3001\u6761\u4ef6\u5f0f\u306b\u95a2\u4fc2\u306a\u304f\u300c{}\u300d\u3067\u56f2\u308f\u308c\u305f\u51e6\u7406\u304c\u5fc5\u305a1\u56de\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2><span id=\"i-2\">\uff14\uff0e\u3055\u3044\u3054\u306b<\/span><\/h2>\n<p>C\u8a00\u8a9e\u306ewhile\u6587\u3068do-while\u6587\u306e\u66f8\u5f0f\u3001\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u8a18\u8ff0\u65b9\u6cd5\u3084\u5236\u5fa1\u65b9\u6cd5\u3068\u3001while\u6587\u3068do-while\u6587\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306f\u3001C\u8a00\u8a9e\u306b\u3088\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u672c\u3068\u306a\u308b\u51e6\u7406\u306e\u3072\u3068\u3064\u3067\u3059\u3002break\u53e5, continue\u53e5\u3092\u4f7f\u3063\u3066\u7e70\u308a\u8fd4\u3057\u884c\u3046\u51e6\u7406\u306e\u5185\u5bb9\u3092\u5909\u3048\u308b\u3001\u8a08\u7b97\u7d50\u679c\u3092\u6761\u4ef6\u3068\u3057\u3066\u56de\u6570\u3092\u610f\u8b58\u305b\u305a\u306b\u7e70\u308a\u8fd4\u3057\u8a08\u7b97\u3092\u884c\u3046\u3001\u6761\u4ef6\u3092\u6e80\u305f\u3055\u306a\u304f\u3066\u30821\u56de\u306f\u5fc5\u305a\u51e6\u7406\u3092\u884c\u3046\u3001\u306a\u3069\u69d8\u3005\u306a\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u8a18\u8ff0\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u305c\u3072\u8eab\u306b\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u8a00\u8a9e\u306ewhile\u6587\u3068\u306f\u3001\u7e70\u308a\u8fd4\u3057\u540c\u3058\u51e6\u7406(\u30eb\u30fc\u30d7)\u3092\u884c\u3046\u305f\u3081\u306e\u69cb\u6587\u3067\u3059\u3002\u6761\u4ef6\u5f0f\u3092\u6307\u5b9a\u3057\u3066\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u304c\u3001\u8907\u6570\u306e\u6761\u4ef6\u5f0f\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u308a\u3001\u30cd\u30b9\u30c8\u3068\u547c\u3070\u308c\u308b\u4e8c\u91cd\u30eb\u30fc\u30d7\u3084\u7121\u9650\u30eb\u30fc\u30d7\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306fwhi 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