{"id":97314,"date":"2026-08-29T08:37:20","date_gmt":"2026-08-29T00:37:20","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/97314.html"},"modified":"2026-08-29T08:37:20","modified_gmt":"2026-08-29T00:37:20","slug":"%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84%ef%bc%9a%e5%bf%ab%e9%80%9f%e6%8e%92%e5%ba%8f%ef%bc%88%e6%89%a9%e5%b1%95%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/97314.html","title":{"rendered":"\u6570\u636e\u7ed3\u6784\uff1a\u5feb\u901f\u6392\u5e8f\uff08\u6269\u5c55\uff09"},"content":{"rendered":"<p>\u524d\u9762\u6211\u4eec\u8be6\u7ec6\u8bb2\u89e3\u4e86\u5feb\u901f\u6392\u5e8f\u7684\u57fa\u672c\u601d\u60f3\u3001\u4e09\u79cd\u627e\u57fa\u51c6\u503c\u7684\u65b9\u6cd5\u4ee5\u53ca\u5404\u81ea\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5206\u6790\u3002\u4e0d\u8fc7&#xff0c;\u5feb\u901f\u6392\u5e8f\u7684\u5b9e\u73b0\u65b9\u5f0f\u8fdc\u4e0d\u6b62\u8fd9\u4e9b&#xff0c;\u672c\u6587\u4f5c\u4e3a\u62d3\u5c55\u5185\u5bb9&#xff0c;\u518d\u4e3a\u5927\u5bb6\u8865\u5145\u51e0\u79cd\u5176\u4ed6\u5e38\u89c1\u7684\u5b9e\u73b0\u601d\u8def&#xff0c;\u5e2e\u52a9\u5927\u5bb6\u66f4\u5168\u9762\u5730\u7406\u89e3\u8fd9\u4e00\u7ecf\u5178\u7b97\u6cd5\u3002<\/p>\n<h2>\u4e09\u8def\u5212\u5206\u627e\u57fa\u51c6\u503c<\/h2>\n<p>\u5f53\u9762\u5bf9\u6709\u5927\u91cf\u8ddf keyi \u503c\u76f8\u540c\u7684\u503c\u65f6&#xff0c;\u4e09\u8def\u5212\u5206\u7684\u6838\u5fc3\u601d\u60f3\u6709\u70b9\u7c7b\u4f3c hoare \u7684\u5de6\u53f3\u6307\u9488\u548c lomuto \u7684\u524d\u540e\u6307\u9488\u7684\u7ed3\u5408\u3002\u6838\u5fc3\u601d\u60f3\u662f\u628a\u6570\u7ec4\u4e2d\u7684\u6570\u636e\u5206\u4e3a\u4e09\u6bb5\u3010\u6bd4 keyi \u5c0f\u7684\u503c\u3011\u3010\u8ddf keyi \u76f8\u7b49\u7684\u503c\u3011\u3010\u6bd4 keyi \u5927\u7684\u503c\u3011&#xff0c;\u6240\u4ee5\u53eb\u4e09\u8def\u5212\u5206\u7b97\u6cd5\u3002<\/p>\n<h3>\u601d\u60f3<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003710-6a9229b6c1496.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u540c\u6837\u5730\u6211\u4eec\u628a\u5e8f\u5217\u521d\u59cb\u4f4d\u7f6e\u5b9a\u4e3a left &#xff0c;\u672b\u5c3e\u4f4d\u7f6e\u5b9a\u4e3a right &#xff0c;\u5c06 left \u4f4d\u7f6e\u4f5c\u4e3a\u57fa\u51c6\u503c\u3002<br \/>\n\u518d\u5b9a\u4e49\u4e00\u4e2a cur &#xff0c;\u6307\u5411 left \u7684\u4e0b\u4e00\u4e2a\u4f4d\u7f6e\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003711-6a9229b71909f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u6211\u4eec\u7684\u601d\u8def\u662f\u8fd9\u6837\u7684&#xff1a;<br \/>\ncur \u5f53\u524d\u6307\u5411\u7684\u503c\u5c0f\u4e8e\u57fa\u51c6\u503c&#xff0c;\u5c31\u628a cur \u5904\u7684\u503c\u548c left \u5904\u7684\u503c\u4ea4\u6362\u4e00\u4e0b\u4f4d\u7f6e&#xff0c;cur&#043;&#043;&#xff0c;left&#043;&#043;&#xff1b;<br \/>\ncur \u5f53\u524d\u6307\u5411\u7684\u503c\u5927\u4e8e\u57fa\u51c6\u503c&#xff0c;\u5c31\u628a right \u5904\u7684\u503c\u548c cur \u5904\u4ea4\u6362\u4e00\u4e0b\u4f4d\u7f6e&#xff0c; right &#8211; -&#xff1b;<br \/>\ncur \u5f53\u524d\u6307\u5411\u7684\u503c\u7b49\u4e8e\u57fa\u51c6\u503c&#xff0c; cur &#043;&#043;&#xff1b;<br \/>\n\u6211\u4eec\u6765\u8d70\u4e00\u904d&#xff1a;<br \/>\ncur \u6307\u5411 2 &#xff0c;\u6bd4\u57fa\u51c6\u503c\u5c0f&#xff0c;\u548c left \u5904\u6570\u636e\u4ea4\u6362\u4f4d\u7f6e&#xff0c;\u7136\u540e cur &#043;&#043; &#xff0c;left &#043;&#043;\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003711-6a9229b77face.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u53ef\u4ee5\u53d1\u73b0\u57fa\u51c6\u503c\u4f4d\u7f6e\u53d8\u4e86&#xff0c;\u6240\u4ee5\u6211\u4eec\u4e00\u5f00\u59cb\u8981\u5b58\u50a8\u4e00\u4e0b\u57fa\u51c6\u503c\u3002\u76ee\u524d cur \u6bd4\u57fa\u51c6\u503c\u5927&#xff0c;\u548c right \u4ea4\u6362\u4e00\u4e0b\u4f4d\u7f6e&#xff0c; right &#8211; -\u3002<br \/>\n&#xff08;\u548c right \u4ea4\u6362\u5b8c\u4e3a\u4ec0\u4e48\u4e0d cur &#043;&#043;\u5462&#xff1f;\u6211\u4eec\u53ef\u4ee5\u770b\u5230&#xff0c; right \u5904\u6307\u5411\u7684\u662f 8 &#xff0c;\u6bd4 cur \u5904\u90fd\u5927&#xff0c;\u4e5f\u5c31\u662f right \u5904\u7684\u6570\u636e\u5927\u5c0f\u6211\u4eec\u4e0d\u77e5\u9053&#xff0c;\u6240\u4ee5\u4ea4\u6362\u540e cur \u4e5f\u4e0d\u80fd&#043;&#043;\u53bb\u4e0b\u4e00\u4e2a\u4f4d\u7f6e&#xff0c; left \u6211\u4eec\u662f\u4fdd\u8bc1\u4e86\u4e00\u5b9a\u6bd4\u57fa\u51c6\u503c\u5c0f\u7684&#xff0c;\u6240\u4ee5\u53ef\u4ee5&#043;&#043;&#xff09;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003711-6a9229b7d93b6.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\ncur \u5904\u6bd4\u57fa\u51c6\u503c\u5927&#xff0c;\u548c right \u5904\u6570\u636e\u4ea4\u6362&#xff0c;right &#8211; -\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003712-6a9229b83dbbf.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\ncur \u5904\u6bd4\u57fa\u51c6\u503c\u5927&#xff0c;\u548c right \u5904\u6570\u636e\u4ea4\u6362&#xff0c;right &#8211; -\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003712-6a9229b894535.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\ncur \u5904\u6bd4\u57fa\u51c6\u503c\u5c0f&#xff0c;\u548c left \u4ea4\u6362\u6570\u636e&#xff0c; cur &#043;&#043;&#xff0c; left &#043;&#043;\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003712-6a9229b8ea791.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\ncur \u5904\u6bd4\u57fa\u51c6\u503c\u5927&#xff0c;\u548c right \u5904\u6570\u636e\u4ea4\u6362&#xff0c;right &#8211; -\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003713-6a9229b94c23f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\ncur \u5904\u6bd4\u57fa\u51c6\u503c\u5927&#xff0c;\u548c right \u5904\u6570\u636e\u4ea4\u6362&#xff0c;right &#8211; -\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003713-6a9229b9a2816.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\ncur \u5904\u6bd4\u57fa\u51c6\u503c\u5927&#xff0c;\u548c right \u5904\u6570\u636e\u4ea4\u6362&#xff0c;right &#8211; -\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229ba0f2d5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u6b64\u65f6 cur &#xff1e; right &#xff0c;\u7ed3\u675f\u5faa\u73af&#xff0c;\u5c06 left \u4f4d\u7f6e\u8fd4\u56de\u53bb&#xff0c;\u57fa\u51c6\u503c\u5c31\u627e\u5230\u4e86\u3002## \u4ee3\u7801\u5b9e\u73b0<br \/>\n\u6211\u4eec\u5148\u521d\u59cb\u5316\u4e00\u4e0b keyi &#xff0c; cur \u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229ba83011.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u7136\u540e\u5199\u4e00\u4e2a while \u5faa\u73af&#xff0c;\u5faa\u73af\u6761\u4ef6\u4e3a cur &#xff1c; right &#xff0c;\u5185\u90e8\u5b9e\u73b0\u4e09\u4e2a\u903b\u8f91&#xff1a; cur \u6bd4\u57fa\u51c6\u503c\u5927\u3001\u6bd4\u57fa\u51c6\u503c\u5c0f\u3001\u7b49\u4e8e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229ba98ff8.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5f53 cur \u5904\u6570\u636e\u5c0f\u4e8e\u57fa\u51c6\u503c\u65f6&#xff0c;\u548c left \u5904\u4ea4\u6362\u6570\u636e&#xff0c; left&#043;&#043;&#xff0c; cur&#043;&#043;\u3002<br \/>\n\u5f53 cur \u5904\u6570\u636e\u5927\u4e8e\u57fa\u51c6\u503c\u65f6&#xff0c;\u548c right \u5904\u4ea4\u6362\u6570\u636e&#xff0c; right &#8211; -\u3002<br \/>\n\u5f53 cur \u5904\u6570\u636e\u7b49\u4e8e\u57fa\u51c6\u503c\u65f6&#xff0c; cur&#043;&#043;\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229bab29cb.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5faa\u73af\u7ed3\u675f\u540e\u5c06 left \u5904\u4f5c\u4e3a\u57fa\u51c6\u503c\u4f4d\u7f6e\u8fd4\u56de\u53bb&#xff0c;\u57fa\u51c6\u503c\u627e\u5230\u4e86\u3002\u4ee3\u7801\u5c31\u5199\u5b8c\u4e86\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229bace6be.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u6211\u4eec\u6765\u7b80\u5355\u6d4b\u8bd5\u4e00\u4e0b&#xff1a;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229baf1911.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u7ed3\u679c\u7b26\u5408\u9884\u671f&#xff0c;\u4ee3\u7801\u6ca1\u4ec0\u4e48\u95ee\u9898\u3002<\/p>\n<h3>\u65f6\u95f4\u590d\u6742\u5ea6<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003714-6a9229bace6be.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u53ef\u4ee5\u770b\u51fa\u6765\u4e09\u8def\u5212\u5206\u4ee3\u7801\u65f6\u95f4\u590d\u6742\u5ea6\u662f\u4e00\u4e2a\u5f88\u6807\u51c6\u7684O&#xff08;n&#xff09;&#xff0c;\u9012\u5f52\u6b21\u6570\u6700\u597d\u662f logn &#xff0c;\u6700\u574f\u662f n\u3002<br \/>\n\u56e0\u6b64\u4e09\u8def\u5212\u5206\u5feb\u901f\u6392\u5e8f\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5e73\u5747\u4e3aO&#xff08;nlogn&#xff09;&#xff0c;\u6700\u574f\u4e3aO&#xff08;n<sup>2<\/sup>&#xff09;\u3002<\/p>\n<h2>\u5feb\u901f\u6392\u5e8f\u4e4b\u81ea\u7701\u6392\u5e8f<\/h2>\n<p>Introsort \u662f introspective sort \u7684\u7f29\u5199&#xff0c;\u4ed6\u7684\u540d\u5b57\u5176\u5b9e\u8868\u8fbe\u4e86\u4ed6\u7684\u5b9e\u73b0\u601d\u8def&#xff0c;\u4ed6\u7684\u601d\u8def\u5c31\u662f\u8fdb\u884c\u81ea\u6211\u4fa6\u6d4b\u548c\u53cd\u7701&#xff0c;\u5feb\u6392\u9012\u5f52\u6df1\u5ea6\u592a\u6df1&#xff0c;\u90a3\u5c31\u8bf4\u660e\u5728\u8fd9\u79cd\u6570\u636e\u5e8f\u5217\u4e0b&#xff0c;\u9009 keyi \u51fa\u73b0\u4e86\u95ee\u9898&#xff0c;\u6027\u80fd\u5728\u5feb\u901f\u9000\u5316&#xff0c;\u90a3\u4e48\u5c31\u4e0d\u8981\u518d\u8fdb\u884c\u5feb\u6392\u5206\u5272\u9012\u5f52\u4e86&#xff0c;\u6539\u6362\u4e3a\u5806\u6392\u5e8f\u8fdb\u884c\u6392\u5e8f\u3002# \u975e\u9012\u5f52\u7248\u672c\u5feb\u901f\u6392\u5e8f<br \/>\n\u975e\u9012\u5f52\u7248\u672c\u7684\u5feb\u901f\u6392\u5e8f\u5982\u4f55\u5b9e\u73b0\u5462&#xff1f;<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003715-6a9229bb1076d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u56e0\u4e3a lomuto \u524d\u540e\u6307\u9488\u7684\u4ee3\u7801\u6bd4\u8f83\u7b80\u5355&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u6211\u4eec\u9009\u7528\u5b83\u6765\u67e5\u627e\u57fa\u51c6\u503c&#xff0c;\u5173\u952e\u5728\u4e8e&#xff0c;\u5982\u4f55\u62ff\u5230\u5de6\u53f3\u5e8f\u5217\u7684\u533a\u95f4\u7136\u540e\u4e00\u76f4\u5f80\u4e0b\u5206\u5730\u627e\u57fa\u51c6\u503c\u3002## \u601d\u60f3<\/p>\n<p>\u6bd4\u5982\u6211\u4eec\u5148\u627e\u57fa\u51c6\u503c\u5206\u51fa\u5de6\u53f3\u5e8f\u5217\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003715-6a9229bb61ccf.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u8fd9\u91cc\u5de6\u5e8f\u5217\u533a\u95f4\u5c31\u662f [0,2] &#xff0c;\u53f3\u5e8f\u5217\u533a\u95f4\u5c31\u662f [4,8] \u3002\u5148\u627e\u54ea\u8fb9\u5e8f\u5217\u7684\u57fa\u51c6\u503c\u90fd\u53ef\u4ee5&#xff0c;\u8fd9\u91cc\u6211\u4eec\u9009\u62e9\u5148\u627e\u5de6\u5e8f\u5217\u7684&#xff0c;\u627e\u5230\u4e86\u8981\u600e\u4e48\u5f80\u4e0b\u7ee7\u7eed\u5206\u5de6\u53f3\u5e8f\u5217&#xff0c;\u8fd9\u4e2a\u95ee\u9898\u5982\u4f55\u89e3\u51b3&#xff1f;<br \/>\n\u6211\u4eec\u9700\u8981\u501f\u52a9\u4e00\u79cd\u6570\u636e\u7ed3\u6784 \u2014\u2014 \u6808\u6765\u5b58\u50a8\u5e8f\u5217\u7684\u5de6\u53f3\u533a\u95f4\u3002<br \/>\n\u6211\u4eec\u5148\u628a\u5e8f\u5217\u7684\u533a\u95f4\u5165\u6808&#xff0c;\u5148\u5165\u5de6\u533a\u95f4&#xff0c;\u518d\u5165\u53f3\u533a\u95f4\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003716-6a9229bc72a44.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br 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src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260829003718-6a9229be9a2f6.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u6211\u4eec\u53d6\u4e24\u6b21\u6808\u9876&#xff0c;\u7b2c\u4e00\u6b21\u53d6\u5230\u7684\u662f\u53f3\u533a\u95f4&#xff0c;\u7b2c\u4e8c\u6b21\u662f\u5de6\u533a\u95f4&#xff0c;\u7136\u540e\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29doazntfvuyd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u8fd9\u65f6\u5de6\u5e8f\u5217\u533a\u95f4\u4e3a [0,-1] &#xff0c;\u8bf4\u660e\u5de6\u5e8f\u5217\u4e0d\u5b58\u5728&#xff0c;\u4e0d\u5165\u6808\u4e86&#xff0c;\u53f3\u5e8f\u5217\u533a\u95f4\u4e3a [1,2]&#xff0c;\u5165\u6808\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29uhufgo43vnu.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br 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src=\"2026-08-29fuu5wxneqwq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u518d\u53d6\u4e24\u6b21\u6808\u9876\u5143\u7d20&#xff0c;\u5728\u8be5\u533a\u95f4\u5185\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29l2ow5vlvikq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5de6\u53f3\u5e8f\u5217\u4e0d\u5b58\u5728&#xff0c;\u4e0d\u7528\u5165\u6808&#xff0c;\u7ee7\u7eed\u53d6\u4e24\u6b21\u6808\u9876\u5143\u7d20&#xff0c;\u5728\u8be5\u533a\u95f4\u5185\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29weegwxn30qr.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5de6\u53f3\u5e8f\u5217\u4e0d\u5b58\u5728&#xff0c;\u4e0d\u7528\u5165\u6808&#xff0c;\u6b64\u65f6\u6808\u4e3a\u7a7a&#xff0c;\u5feb\u901f\u6392\u5e8f\u7ed3\u675f\u3002<br \/>\n\u7ee7\u7eed\u53d6\u4e24\u4e2a\u6808\u9876\u5143\u7d20&#xff0c;\u5728\u8be5\u533a\u95f4\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29azq3p2fttto.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5206\u51fa\u7684\u5de6\u53f3\u5e8f\u5217\u533a\u95f4\u90fd\u5b58\u5728&#xff0c;\u5165\u6808\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29fuu5wxneqwq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u518d\u53d6\u4e24\u6b21\u6808\u9876\u5143\u7d20&#xff0c;\u5728\u8be5\u533a\u95f4\u5185\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29l2ow5vlvikq.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5de6\u53f3\u5e8f\u5217\u4e0d\u5b58\u5728&#xff0c;\u4e0d\u7528\u5165\u6808&#xff0c;\u7ee7\u7eed\u53d6\u4e24\u6b21\u6808\u9876\u5143\u7d20&#xff0c;\u5728\u8be5\u533a\u95f4\u5185\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29weegwxn30qr.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br 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\/>\n<img decoding=\"async\" src=\"2026-08-29e2arkowtqpv.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u5f53\u6808\u4e0d\u4e3a\u7a7a\u65f6\u627e\u57fa\u51c6\u503c\u5c31\u6ca1\u6709\u7ed3\u675f&#xff0c;\u6240\u4ee5\u5faa\u73af\u6761\u4ef6\u4e3a !StackEmpty(&amp;st)\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29zoatnxniyob.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u6211\u4eec\u5148\u53d6\u4e24\u6b21\u6808\u9876\u5143\u7d20&#xff0c;\u7136\u540e\u7528 lomuto \u524d\u540e\u6307\u9488\u529e\u6cd5\u627e\u57fa\u51c6\u503c\u3002<br \/>\n<img decoding=\"async\" src=\"2026-08-29yj4uo5ons0r.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u627e\u5230\u57fa\u51c6\u503c\u4f4d\u7f6e\u540e&#xff0c;\u5de6\u5e8f\u5217\u533a\u95f4\u5c31\u662f [begin,keyi-1] &#xff0c;\u53f3\u5e8f\u5217\u533a\u95f4\u662f 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