{"id":522,"date":"2021-09-19T14:08:38","date_gmt":"2021-09-19T06:08:38","guid":{"rendered":"https:\/\/blog.cauchyschwarz.com\/?p=522"},"modified":"2021-09-19T14:08:41","modified_gmt":"2021-09-19T06:08:41","slug":"%e7%ae%97%e6%b3%95%e5%a4%8d%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/blog.cauchyschwarz.com\/?p=522","title":{"rendered":"\u7b97\u6cd5\u590d\u4e60"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 ez-toc-wrap-right counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2d56706c9c6\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2d56706c9c6\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#dp\" >dp<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#%E8%83%8C%E5%8C%85%E9%97%AE%E9%A2%98\" >\u80cc\u5305\u95ee\u9898<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#%E6%89%BE%E7%AC%ACk%E5%A4%A7%E6%95%B0\" >\u627e\u7b2ck\u5927\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#%E5%8A%A8%E6%80%81%E7%BB%B4%E6%8A%A4%E6%9F%A5%E6%89%BE%E4%B8%AD%E4%BD%8D%E6%95%B0\" >\u52a8\u6001\u7ef4\u62a4\u67e5\u627e\u4e2d\u4f4d\u6570<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\" >\u6570\u636e\u7ed3\u6784<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#%E5%A0%86\" >\u5806<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.cauchyschwarz.com\/?p=522\/#%E6%A0%91%E5%A0%86\" >\u6811\u5806<\/a><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"dp\"><\/span>dp<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ol class=\"wp-block-list\"><li>\u6700\u5927\u8fde\u7eed\u5b50\u5e8f\u5217\u548c<\/li><li>\u6700\u957f\u4e0a\u5347\u5b50\u5e8f\u5217 \u7ef4\u62a4\u4e00\u4e2a\u9012\u589e\u7684\u6808\uff0c\u904d\u5386\u5143\u7d20\u662f\uff0c\u5982\u679c\u6bd4\u6808\u9876\u7684\u5143\u7d20\u5927\uff0c\u5c31\u76f4\u63a5\u5165\u6808\uff0c\u5426\u5219\u5c31\u7528\u65b0\u7684\u5143\u7d20\u53bb\u66ff\u6362\u6808\u91cc\u9762\u6bd4\u65b0\u5143\u7d20\u5927\u7684\u6700\u5c0f\u5143\u7d20\uff0e\u5728\u6808\u4e2d\u67e5\u627e\u8fd9\u4e2a\u5143\u7d20\u65f6\u4f7f\u7528\u4e8c\u5206\uff0c\u4ece\u800c\u4f7f\u5f97\u7b97\u6cd5\u6574\u4f53\u590d\u6742\u5ea6\u4e3aO(nlogn)<\/li><li>\u6700\u957f\u516c\u5171\u5b50\u5e8f\u5217<\/li><li>\u80cc\u5305\u95ee\u9898<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%83%8C%E5%8C%85%E9%97%AE%E9%A2%98\"><\/span>\u80cc\u5305\u95ee\u9898<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">https:\/\/zhuanlan.zhihu.com\/p\/93857890<br>https:\/\/www.cnblogs.com\/frankchenfu\/p\/6445843.html<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>01\u80cc\u5305<br>\u7ed9\u5b9a\u4e00\u7ec4\u7269\u54c1\uff0c\u6bcf\u79cd\u7269\u54c1\u90fd\u6709\u81ea\u5df1\u7684\u91cd\u91cf\u548c\u4ef7\u683c\uff08\u201c\u6027\u4ef7\u6bd4\u201d\u4e00\u822c\u4e0d\u76f8\u540c\uff09\uff0c\u4f46\u662f\u90fd\u53ea\u53ef\u4ee5\u9009\u4e00\u4e2a\uff08\u4e00\u4e2a\u7269\u54c1\u9009\u4e00\u6b21\uff09\u3002\u5728\u9650\u5b9a\u7684\u603b\u91cd\u91cf\u5185\uff0c\u6211\u4eec\u5982\u4f55\u9009\u62e9\uff0c\u624d\u80fd\u4f7f\u5f97\u7269\u54c1\u7684\u603b\u4ef7\u683c\u6700\u9ad8\u3002<\/li><li>\u5b8c\u5168\u80cc\u5305<\/li><li>\u591a\u91cd\u80cc\u5305<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%89%BE%E7%AC%ACk%E5%A4%A7%E6%95%B0\"><\/span>\u627e\u7b2ck\u5927\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blog.csdn.net\/a3192048\/article\/details\/82055183\">https:\/\/blog.csdn.net\/a3192048\/article\/details\/82055183<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8A%A8%E6%80%81%E7%BB%B4%E6%8A%A4%E6%9F%A5%E6%89%BE%E4%B8%AD%E4%BD%8D%E6%95%B0\"><\/span>\u52a8\u6001\u7ef4\u62a4\u67e5\u627e\u4e2d\u4f4d\u6570<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ef4\u62a4\u4e00\u4e2a\u6700\u5927\u5806\u548c\u4e00\u4e2a\u6700\u5c0f\u5806<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84\"><\/span>\u6570\u636e\u7ed3\u6784<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%A0%86\"><\/span>\u5806<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blog.csdn.net\/JTY541464341\/article\/details\/105655827\">https:\/\/blog.csdn.net\/JTY541464341\/article\/details\/105655827<\/a><\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u5806\u7684\u6027\u8d28<\/li><li>\u5806\u7684\u5220\u9664\u5b9a\u70b9\u548c\u63d2\u5165\u5143\u7d20<\/li><li>\u5efa\u7acb\u5806<\/li><\/ol>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%91%E5%A0%86\"><\/span>\u6811\u5806<span class=\"ez-toc-section-end\"><\/span><\/h1>\n","protected":false},"excerpt":{"rendered":"<p>dp \u6700\u5927\u8fde\u7eed\u5b50\u5e8f\u5217\u548c \u6700\u957f\u4e0a\u5347\u5b50\u5e8f\u5217 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