{"id":105,"date":"2020-11-13T12:43:49","date_gmt":"2020-11-13T04:43:49","guid":{"rendered":"http:\/\/9iwd.top\/?p=105"},"modified":"2020-11-13T12:43:49","modified_gmt":"2020-11-13T04:43:49","slug":"no-28-%e6%95%b0%e7%bb%84%e6%8e%92%e5%ba%8f%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"http:\/\/9iwd.top\/?p=105","title":{"rendered":"No.28 \u6570\u7ec4\u6392\u5e8f\u7b97\u6cd5"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>\t#\u6570\u7ec4\u6392\u5e8f\u7b97\u6cd5\n\/*\n\u5192\u6ce1\u6392\u5e8f\uff08Bubble Sort)\uff0c\u662f\u4e00\u79cd\u8ba1\u7b97\u673a\u79d1\u5b66\u9886\u57df\u7684\u8f83\u7b80\u5355\u7684\u6392\u5e8f\u7b97\u6cd5\u3002\n\u5b83\u91cd\u590d\u5730\u8d70\u8bbf\u8fc7\u8981\u6392\u5e8f\u7684\u6570\u5217,\u4e00\u6b21\u6bd4\u8f83\u4e24\u4e2a\u5143\u7d20,\u5982\u679c\u4ed6\u4eec\u7684\u987a\u5e8f\u9519\u8bef\u5c31\u628a\u4ed6\u4eec\u4ea4\u6362\u8fc7\u6765\u3002\u8d70\u8bbf\u6570\u5217\u7684\u5de5\u4f5c\u662f\u91cd\u590d\u5730\u8fdb\u884c\u76f4\u5230\u6ca1\u6709\u518d\u9700\u8981\u4ea4\u6362\uff0c\u4e5f\u5c31\u662f\u8bf4\u8be5\u6570\u5217\u5df2\u7ecf\u6392\u5e8f\u5b8c\u6210\u3002\n\u5192\u6ce1\u6392\u5e8f\u7684\u7b97\u6cd5\u601d\u8def:\n1)\u6bd4\u8f83\u76f8\u90bb\u7684\u5143\u7d20\u3002\u5982\u679c\u7b2c\u4e00\u4e2a\u6bd4\u7b2c\u4e8c\u4e2a\u5927\uff0c\u5c31\u4ea4\u6362\u4ed6\u4eec\u4e24\u4e2a\u3002\n2)\u5bf9\u6bcf\u4e00\u5bf9\u76f8\u90bb\u5143\u7d20\u4f5c\u540c\u6837\u7684\u5de5\u4f5c\uff0c\u4ece\u5f00\u59cb\u7b2c\u4e00\u5bf9\u5230\u7ed3\u5c3e\u7684\u6700\u540e\u4e00\u5bf9\u3002\u5728\u8fd9\u4e00\u70b9\uff0c\u6700\u540e\u7684\u5143\u7d20\u5e94\u8be5\u4f1a\u662f\u6700\u5927\u7684\u6570\u3002\n3)\u9488\u5bf9\u6240\u6709\u7684\u5143\u7d20\u91cd\u590d\u4ee5\u4e0a\u7684\u6b65\u9aa4\uff0c\u9664\u4e86\u6700\u540e\u4e00\u4e2a\u3002\n4)\u6301\u7eed\u6bcf\u6b21\u5bf9\u8d8a\u6765\u8d8a\u5c11\u7684\u5143\u7d20\u91cd\u590d\u4e0a\u9762\u7684\u6b65\u9aa4\uff0c\u76f4\u5230\u6ca1\u6709\u4efb\u4f55\u4e00\u5bf9\u6570\u5b57\u9700\u8981\u6bd4\u8f83\u3002 *\/\n\n\t#\u5192\u6ce1\u6392\u5e8f\n$arr = array(1,3,22,15,40,9,7,8,13,66);\nfor($i = 0, $len = count($arr);$i &lt; $len; $i++){\n\tfor($j = 0; $j &lt; $len - 1 - $i; $j++){\n\t\tif($arr&#91;$j] > $arr&#91;$j+1]){\n\t\t\t$a = $arr&#91;$j];\n\t\t\t$arr&#91;$j] = $arr&#91;$j+1];\n\t\t\t$arr&#91;$j+1] = $a;\n\t\t}\n\t}\n}\nprint_r($arr);\n\n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>\/*\n\u9009\u62e9\u6392\u5e8f\uff08Sg1ection sort\uff09\u662f\u4e00\u79cd\u7b80\u5355\u76f4\u89c2\u7684\u6392\u5e8f\u7b97\u6cd5\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\u6bcf\u4e00\u6b21\u4ece\u5f85\u6392\u5e8f\u7684\u6570\u636e\u5143\u7d20\u4e2d\u9009\u51fa\u6700\u5c0f(\u6216\u6700\u5927\uff09\n\u7684\u4e00\u4e2a\u5143\u7d20,\u5b58\u653e\u5728\u5e8f\u5217\u7684\u8d77\u59cb\u4f4d\u7f6e\uff0c\u76f4\u5230\u5168\u90e8\u5f85\u6392\u5e8f\u7684\u6570\u636e\u5143\u7d20\u6392\u5b8c\u3002\u9009\u62e9\u6392\u5e8f\u662f\u4e0d\u7a33\u5b9a\u7684\u6392\u5e8f\u65b9\u6cd5(\u6bd4\u5982\u5e8f\u5217&#91;5\uff0c5\uff0c3]\n\u7b2c\u4e00\u6b21\u5c31\u5c06\u7b2c\u4e00\u4e2a&#91;5]\u4e0e&#91;3]\u4ea4\u6362,\u5bfc\u81f4\u7b2c\u4e00\u4e2a5\u632a\u52a8\u5230\u7b2c\u4e8c\u4e2a5\u540e\u9762)\u3002\n\n\u9009\u62e9\u6392\u5e8f\u7684\u7b97\u6cd5\u601d\u8def:\n1)\u5047\u8bbe\u7b2c\u4e00\u4e2a\u5143\u7d20\u4e3a\u6700\u5c0f\u5143\u7d20\uff0c\u8bb0\u4e0b\u4e0b\u6807\u3002\n2)\u5bfb\u627e\u53f3\u4fa7\u5269\u4f59\u7684\u5143\u7d20\uff0c\u5982\u679c\u6709\u66f4\u5c0f\u7684,\u91cd\u65b0\u8bb0\u4e0b\u6700\u65b0\u7684\u4e0b\u6807\u3002\n3)\u5982\u679c\u6709\u65b0\u7684\u6700\u5c0f\u7684,\u4ea4\u6362\u4e24\u4e2a\u5143\u7d20\u3002\n4)\u5f80\u53f3\u91cd\u590d\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u76f4\u5230\u5143\u7d20\u672c\u8eab\u662f\u6700\u540e\u4e00\u4e2a\u3002*\/\n\n\t#\u9009\u62e9\u6392\u5e8f\n$arr = array(1,3,22,15,40,9,7,8,13,66);\n\/\/1\u3001\u786e\u5b9a\u5916\u5faa\u73af\u8981\u5faa\u73af\u7684\u6b21\u6570\nfor($i = 0, $len = count($arr); $i &lt; $len; $i++){\n\t\/\/2\u3001\u53d6\u51fa\u7b2c\u4e00\u4e2a&#91;$i]\u4e0b\u6807\u5143\u7d20\u53bb\u8fdb\u884c\u7b2c\u4e8c\u6b21\u5faa\u73af\u5224\u65ad\n\t$min = $i;\n\tfor($j = $i + 1; $j &lt; $len; $j++){\n\t\t\/\/3\u3001\u5224\u65ad\u5185\u5faa\u73af\u4e0b\u6807\u5143\u7d20\u662f\u5426\u6bd4\u5916\u5faa\u73af\u4e0b\u6807\u5143\u7d20\u5c0f\n\t\tif($arr&#91;$j] &lt; $arr&#91;$min]){\n\t\t\t\/\/4\u3001\u5982\u679c$j\u4e0b\u6807\u5143\u7d20\u5c0f\u4e8e$i\u4e0b\u6807\uff0c\u90a3\u5c31\u628a$min\u66ff\u6362\n\t\t\t$min = $j;\n\t\t}\n\t}\n\t\/\/5\u3001\u4ea4\u6362\u5f53\u524d\u9009\u5b9a\u5143\u7d20\u7684\u503c\u4e0e\u5b9e\u9645\u6700\u5c0f\u5143\u7d20\u7684\u503c\n\tif($min &lt;> $i){\n\t\t$temp = $arr&#91;$i];\n\t\t$arr&#91;$i] = $arr&#91;$min];\n\t\t$arr&#91;$min] = $temp;\n\t}\n}\nprint_r($arr);\n\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"_links":{"self":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/105"}],"collection":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=105"}],"version-history":[{"count":0,"href":"http:\/\/9iwd.top\/index.php?rest_route=\/wp\/v2\/posts\/105\/revisions"}],"wp:attachment":[{"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=105"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/9iwd.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}