{"id":75191,"date":"2026-02-11T17:41:48","date_gmt":"2026-02-11T09:41:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/75191.html"},"modified":"2026-02-11T17:41:48","modified_gmt":"2026-02-11T09:41:48","slug":"%e3%80%901-%e6%95%b0%e6%8d%ae%e7%bb%93%e6%9e%84-8-2-%e6%8e%92%e5%ba%8f%e3%80%91%e5%86%92%e6%b3%a1%e6%8e%92%e5%ba%8f-%e5%bf%ab%e9%80%9f%e6%8e%92%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/75191.html","title":{"rendered":"\u30101.\u6570\u636e\u7ed3\u6784-8.2 \u6392\u5e8f\u3011\u5192\u6ce1\u6392\u5e8f-\u5feb\u901f\u6392\u5e8f"},"content":{"rendered":"<h3>\u4e00\u3001\u5192\u6ce1\u6392\u5e8f<\/h3>\n<h4>1.1 \u539f\u7406<\/h4>\n<ul>\n<li>\u57fa\u4e8e\u201c\u4ea4\u6362\u201d\u7684\u6392\u5e8f:\u6839\u636e\u5e8f\u5217\u4e2d\u4e24\u4e2a\u5143\u7d20\u5173\u952e\u5b57\u7684\u6bd4\u8f83\u7ed3\u679c\u6765\u5bf9\u6362\u8fd9\u4e24\u4e2a\u8bb0\u5f55\u5728\u5e8f\u5217\u4e2d\u7684\u4f4d\u7f6e<\/li>\n<li>\u5192\u6ce1\u6392\u5e8f&#xff1a;\u4ece\u540e\u5f80\u524d(\u6216\u4ece\u524d\u5f80\u540e)\u4e24\u4e24\u6bd4\u8f83\u76f8\u90bb\u5143\u7d20\u7684\u503c&#xff0c;\u82e5\u4e3a\u9006\u5e8f(\u5373A[i-1]&gt;A[i))&#xff0c;\u5219\u4ea4\u6362\u5b83\u4eec&#xff0c;\u76f4\u5230\u5e8f\u5217\u6bd4\u8f83\u5b8c\u3002\u79f0\u8fd9\u6837\u8fc7\u7a0b\u4e3a\u201c\u4e00\u8d9f\u201d\u5192\u6ce1\u6392\u5e8f<\/li>\n<\/ul>\n<h4>1.2 \u6392\u5e8f\u8fc7\u7a0b<\/h4>\n<ul>\n<li>\u521d\u59cb\u72b6\u6001<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094145-698c4ed9b601f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u7b2c\u4e00\u8d9f<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda129de.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda2bf2e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<li>\u7b2c\u4e8c\u8d9f<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda43fd6.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda540c4.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u2026<br \/>\n\u2026<br \/>\n\u2026<\/li>\n<li>\u7b2c\u4e94\u8d9f<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda6bf28.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/li>\n<\/ul>\n<h4>1.3 \u7b97\u6cd5\u5b9e\u73b0<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda7d0ef.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>1.4 \u6027\u80fd\u5206\u6790<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4eda93d33.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>1.5 \u5192\u6ce1\u7528\u4e8e\u94fe\u8868<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4edaa9f3b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>1.6 \u603b\u7ed3<\/h4>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4edabc738.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>\u4e8c\u3001\u5feb\u901f\u6392\u5e8f<\/h3>\n<h4>2.1. \u7b97\u6cd5\u539f\u7406<\/h4>\n<ul>\n<li>\u7b97\u6cd5\u601d\u60f3:\u5728\u5f85\u6392\u5e8f\u8868L[1\u2026n]\u4e2d\u4efb\u53d6\u4e00\u4e2a\u5143\u7d20pivot\u4f5c\u4e3a\u67a2\u8f74(\u6216\u57fa\u51c6&#xff0c;\u901a\u5e38\u53d6\u9996\u5143\u7d20)&#xff0c;\u901a\u8fc7\u4e00\u8d9f\u6392\u5e8f\u5c06\u5f85\u6392\u5e8f\u8868\u5212\u5206\u4e3a\u72ec\u7acb\u7684\u4e24\u90e8\u5206L[1\u2026k-1]\u548cL[k&#043;1\u2026n]&#xff0c;\u4f7f\u5f97L[1\u2026k-1]\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5c0f\u4e8epivot,L[k&#043;1\u2026n]\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5927\u4e8e\u7b49\u4e8epivot&#xff0c;\u5219pivot\u653e\u5728\u4e86\u5176\u6700\u7ec8\u4f4d\u7f6eL(k)\u4e0a&#xff0c;\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u4e00\u6b21\u201c\u5212\u5206\u201d\u3002\u7136\u540e\u5206\u522b\u9012\u5f52\u5730\u5bf9\u4e24\u4e2a\u5b50\u8868\u91cd\u590d\u4e0a\u8ff0\u8fc7\u7a0b&#xff0c;\u76f4\u81f3\u6bcf\u90e8\u5206\u5185\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\u6216\u7a7a\u4e3a\u6b62&#xff0c;\u5373\u6240\u6709\u5143\u7d20\u653e\u5728\u4e86\u5176\u6700\u7ec8\u4f4d\u7f6e\u4e0a\u3002<\/li>\n<\/ul>\n<h4>2.2. \u6392\u5e8f\u8fc7\u7a0b<\/h4>\n<ul>\n<li>\u7b2c\u4e00\u8d9f&#xff1a;\u9009\u5b9a\u6700\u5de6\u8fb9\u7684\u7b2c\u4e00\u4e2a\u5143\u7d2049\u4f5c\u4e3a\u67a2\u8f74pivot&#xff0c;\u6bd449\u5c0f\u7684\u5143\u7d20\u653e\u5230\u5de6\u8fb9&#xff0c;\u6bd449\u5927\u7684\u5143\u7d20\u653e\u5230\u53f3\u8fb9<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4edad33f7.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\nhigh\u6307\u9488\u5411\u5de6\u79fb\u52a8&#xff0c;\u627e\u523027\u6bd449\u5c0f&#xff0c;\u5219\u5c0627\u79fb\u52a8\u5230\u67a2\u8f74pivot\u5de6\u8fb9<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094146-698c4edae557e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\nlow\u6307\u9488\u5411\u53f3\u79fb\u52a8&#xff0c;\u627e\u523065\u6bd449\u5927&#xff0c;\u5219\u5c0665\u79fb\u52a8\u5230\u67a2\u8f74pivot\u53f3\u8fb9<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb07163.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u2026<br \/>\n\u2026<br \/>\n\u2026<\/p>\n<ul>\n<li>\u7b2c\u4e00\u8d9f\u7ed3\u675f&#xff1a;\u7528\u7b2c\u4e00\u4e2a\u5143\u7d20\u628a\u5f85\u6392\u5e8f\u5e8f\u5217\u201c\u5212\u5206\u201d\u4e3a\u4e24\u4e2a\u90e8\u5206\u3002\u5de6\u8fb9\u66f4\u5c0f&#xff0c;\u53f3\u8fb9\u66f4\u5927\u3002\u8be5\u5143\u7d20\u7684\u6700\u7ec8\u4f4d\u7f6e\u5df2\u786e\u5b9a<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb1920f.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u7b2c\u4e8c\u8d9f\u6392\u5e8f&#xff1a;<br \/>\n&#xff08;1&#xff09;\u4ee549\u4e3a\u4e2d\u5fc3&#xff0c;\u5bf9\u5de6\u53f3\u4e24\u8fb9\u7684\u5e8f\u5217\u91cd\u65b0\u8fdb\u884c\u9012\u5f52\u5feb\u901f\u6392\u5e8f&#xff1b;<br \/>\n&#xff08;2&#xff09;\u5de6\u8fb9\u9009\u53d627\u4f5c\u4e3a\u67a2\u8f74pivot&#xff0c;\u8fdb\u884c\u5feb\u901f\u6392\u5e8f&#xff1b;<br \/>\n&#xff08;3&#xff09;\u53f3\u8fb9\u9009\u53d676\u4f5c\u4e3a\u67a2\u8f74pivot&#xff0c;\u8fdb\u884c\u5feb\u901f\u6392\u5e8f\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb2c41d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb442ea.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><br \/>\n\u2026<br \/>\n\u2026<br \/>\n\u2026<\/li>\n<li>\u6700\u7ec8\u6392\u5e8f\u7ed3\u679c&#xff1a;<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb5cb46.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>2.3. \u7b97\u6cd5\u6548\u7387\u5206\u6790<\/h4>\n<ul>\n<li>\u6bcf\u4e00\u5c42\u7684QuickSort\u53ea\u9700\u8981\u5904\u7406\u5269\u4f59\u7684\u5f85\u6392\u5e8f\u5143\u7d20&#xff0c;\u65f6\u95f4\u590d\u6742\u5ea6\u4e0d\u8d85\u8fc7O(n)<\/li>\n<li>\u65f6\u95f4\u590d\u6742\u5ea6&#061;O(n*\u9012\u5f52\u5c42\u6570)<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb6aeea.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u7a7a\u95f4\u590d\u6742\u5ea6&#061;O(\u9012\u5f52\u5c42\u6570)<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edb80ecd.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u628an\u4e2a\u5143\u7d20\u7ec4\u7ec7\u6210\u4e8c\u53c9\u6811&#xff0c;\u4e8c\u53c9\u6811\u7684\u5c42\u6570\u5c31\u662f\u9012\u5f52\u8c03\u7528\u7684\u5c42\u6570<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260211094147-698c4edba583b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u6700\u574f\u7684\u60c5\u51b5&#xff1a;\u6bcf\u4e00\u6b21\u9009\u4e2d\u7684\u201c\u67a2\u8f74\u201d\u5c06\u5f85\u6392\u5e8f\u5e8f\u5217\u5212\u5206\u4e3a\u5f88\u4e0d\u5747\u5300\u7684\u4e24\u4e2a\u90e8\u5206&#xff0c;\u5219\u4f1a\u5bfc\u81f4\u9012\u5f52\u6df1\u5ea6\u589e\u52a0&#xff0c;\u7b97\u6cd5\u6548\u7387\u53d8\u4f4e<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"2026-02-11rxjhq2ze1nj.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<ul>\n<li>\u6bd4\u8f83\u597d\u7684\u60c5\u51b5&#xff1a;\u6bcf\u4e00\u6b21\u9009\u4e2d\u7684\u201c\u67a2\u8f74\u201d\u5c06\u5f85\u6392\u5e8f\u5e8f\u5217\u5212\u5206\u4e3a\u5747\u5300\u7684\u4e24\u4e2a\u90e8\u5206&#xff0c;\u5219\u9012\u5f52\u6df1\u5ea6\u6700\u5c0f&#xff0c;\u7b97\u6cd5\u6548\u7387\u6700\u9ad8<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"2026-02-11lohe55tjxxl.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>2.4. \u603b\u7ed3<\/h4>\n<p><img decoding=\"async\" src=\"2026-02-112wq4miydbae.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><img decoding=\"async\" src=\"2026-02-11mi4hlpvwlpa.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u5192\u6ce1\u6392\u5e8f<br \/>\n1.1 \u539f\u7406<br 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