{"id":205180,"date":"2025-05-29T16:42:25","date_gmt":"2025-05-29T08:42:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205180\/"},"modified":"2025-05-29T16:42:25","modified_gmt":"2025-05-29T08:42:25","slug":"python-%e5%bf%ab%e9%80%9f%e6%8e%92%e5%ba%8f%ef%bc%9a%e5%a6%82%e4%bd%95%e9%9a%8f%e6%9c%ba%e9%80%89%e5%8f%96%e6%af%8f%e6%ac%a1%e6%8e%92%e5%ba%8f%e7%9a%84%e5%9f%ba%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205180\/","title":{"rendered":"Python \u5feb\u901f\u6392\u5e8f\uff1a\u5982\u4f55\u968f\u673a\u9009\u53d6\u6bcf\u6b21\u6392\u5e8f\u7684\u57fa\u503c\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Python \u5feb\u901f\u6392\u5e8f\uff1a\u5982\u4f55\u968f\u673a\u9009\u53d6\u6bcf\u6b21\u6392\u5e8f\u7684\u57fa\u503c\uff1f<\/h1>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aPython \u5feb\u901f\u6392\u5e8f\uff1a\u5982\u4f55\u968f\u673a\u9009\u53d6\u6bcf\u6b21\u6392\u5e8f\u7684\u57fa\u503c\uff1f\u300b\uff0c\u804a\u804a\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/173252721767444471d8b99.jpg\" class=\"aligncenter\"><\/p>\n<p>\u5feb\u901f\u6392\u5e8f\u662f\u4e00\u79cd\u7ecf\u5178\u6392\u5e8f\u7b97\u6cd5\uff0c\u5176\u53ef\u4ee5\u901a\u8fc7\u5206\u6cbb\u601d\u60f3\u9ad8\u6548\u5730\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u3002\u5728\u5feb\u901f\u6392\u5e8f\u4e2d\uff0c\u9009\u53d6\u57fa\u503c\u662f\u5173\u952e\u4e00\u6b65\uff0c\u5b83\u5c06\u6570\u7ec4\u5212\u5206\u4e3a\u4e24\u90e8\u5206\u3002\u4f20\u7edf\u4e0a\uff0c\u5feb\u901f\u6392\u5e8f\u7684\u57fa\u503c\u5f80\u5f80\u53d6\u4e3a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002\u4f46\u662f\uff0c\u5982\u679c\u6570\u7ec4\u5df2\u7ecf\u6309\u4e00\u5b9a\u987a\u5e8f\u6392\u5217\uff0c\u8fd9\u79cd\u65b9\u6cd5\u7684\u6548\u7387\u5c31\u4f1a\u964d\u4f4e\u3002<\/p>\n<p>\u4e3a\u4e86\u63d0\u9ad8\u5feb\u901f\u6392\u5e8f\u7684\u6548\u7387\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6bcf\u6b21\u6392\u5e8f\u65f6\u968f\u673a\u9009\u53d6\u57fa\u503c\u3002\u8fd9\u5c06\u9632\u6b62\u6570\u7ec4\u5df2\u7ecf\u6309\u987a\u5e8f\u6392\u5e8f\u7684\u60c5\u51b5\u4e0b\u51fa\u73b0\u6700\u574f\u60c5\u51b5\u3002<\/p>\n<p><strong>\u5b9e\u73b0\u65b9\u6cd5<\/strong><\/p>\n<p>\u5728 python \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 random \u5e93\u6765\u6267\u884c\u968f\u673a\u9009\u62e9\uff1a<\/p>\n<pre>import random\n\ndef partition(array, low, high):\n    \"\"\"\n    \u5c06\u7ed9\u5b9a\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u5212\u5206\u4e3a\u4e24\u90e8\u5206\uff0c\u5176\u4e2d\n    \u5c0f\u4e8e\u57fa\u503c\u7684\u5143\u7d20\u5728\u57fa\u503c\u5de6\u8fb9\uff0c\u5927\u4e8e\u57fa\u503c\u7684\u5143\u7d20\u5728\u57fa\u503c\u53f3\u8fb9\u3002\n\n    Args:\n        array (list): \u8981\u6392\u5e8f\u7684\u6570\u7ec4\n        low (int): \u6392\u5e8f\u90e8\u5206\u7684\u8d77\u59cb\u7d22\u5f15\n        high (int): \u6392\u5e8f\u90e8\u5206\u7684\u7ed3\u675f\u7d22\u5f15\n\n    Returns:\n        int: \u5206\u5272\u540e\u7684\u5143\u7d20\u5728\u6570\u7ec4\u4e2d\u7684\u4f4d\u7f6e\n    \"\"\"\n    # \u968f\u673a\u9009\u62e9\u57fa\u503c\n    pivot = array[random.randint(0, len(array)-1)]\n    i = low - 1  # \u6700\u540e\u4e00\u4e2a\u5c0f\u4e8e\u7b49\u4e8e\u57fa\u503c\u7684\u5143\u7d20\u7684\u7d22\u5f15\n    \n    for j in range(low, high):\n        if array[j] &lt;= pivot:\n            i += 1\n            array[i], array[j] = array[j], array[i]\n\n    array[i+1], array[high] = array[high], array[i+1]\n    return i + 1<\/pre>\n<p>\u5728 partition \u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 random.randint(0, len(array)-1) \u968f\u673a\u751f\u6210\u57fa\u503c\u7684\u7d22\u5f15\u3002\u7136\u540e\uff0c\u6211\u4eec\u904d\u5386\u6570\u7ec4\uff0c\u5c06\u5c0f\u4e8e\u57fa\u503c\u7684\u5143\u7d20\u79fb\u52a8\u5230\u57fa\u503c\u7684\u5de6\u8fb9\uff0c\u5c06\u5927\u4e8e\u6216\u7b49\u4e8e\u57fa\u503c\u7684\u5143\u7d20\u79fb\u52a8\u5230\u57fa\u503c\u7684\u53f3\u8fb9\u3002\u6700\u540e\uff0c\u6211\u4eec\u8fd4\u56de\u63d2\u5165\u57fa\u503c\u540e\u7684\u57fa\u503c\u7d22\u5f15\u3002<\/p>\n<p>\u901a\u8fc7\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5feb\u901f\u6392\u5e8f\u6bcf\u6b21\u91cd\u65b0\u9009\u62e9\u57fa\u503c\u968f\u673a\u5316\uff0c\u4ece\u800c\u63d0\u9ad8\u5bf9\u6709\u5e8f\u6570\u7ec4\u7684\u6392\u5e8f\u6548\u7387\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python \u5feb\u901f\u6392\u5e8f\uff1a\u5982\u4f55\u968f\u673a&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205180","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205180"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205180\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}