{"id":1222,"date":"2015-10-05T03:24:08","date_gmt":"2015-10-04T19:24:08","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=1222"},"modified":"2015-10-05T03:26:49","modified_gmt":"2015-10-04T19:26:49","slug":"bzoj-1913-apio2010signaling-%e4%bf%a1%e5%8f%b7%e8%a6%86%e7%9b%96","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/bzoj-1913-apio2010signaling-%e4%bf%a1%e5%8f%b7%e8%a6%86%e7%9b%96\/","title":{"rendered":"BZOJ 1913: [Apio2010]signaling \u4fe1\u53f7\u8986\u76d6"},"content":{"rendered":"<h3>Brief description: <\/h3>\n<p>\u4e00\u4e2a\u5e73\u9762\u4e0a n \u4e2a\u70b9\uff0c\u968f\u673a\u9009 3 \u4e2a\u70b9\u6784\u6210\u4e00\u4e2a\u5706\uff0c\u95ee\u671f\u671b\u6709\u591a\u5c11\u4e2a\u70b9\u5728\u8fd9\u4e2a\u5706\u5185\uff08\u5305\u542b\u5706\u4e0a\uff09\u3002<br \/>\n\u6570\u636e\u4fdd\u8bc1\u6ca1\u6709 4 \u70b9\u5171\u5706\u30013 \u70b9\u5171\u7ebf\u548c\u91cd\u70b9\u3002<br \/>\n<!--more--><\/p>\n<h3>Analysis: <\/h3>\n<p><a href=\"http:\/\/wenku.baidu.com\/link?url=Tlf5ltO7LTRqCd4NrmQKj_i34NiCUQ2pgW4q-t3vCK-IhFJA-mqZXXVw922QW4sTMnjQGZWY-YPTjxdH73syUpydJhVIxQ8iiBKEylZMj4m\">http:\/\/wenku.baidu.com\/link?url=Tlf5ltO7LTRqCd4NrmQKj_i34NiCUQ2pgW4q-t3vCK-IhFJA-mqZXXVw922QW4sTMnjQGZWY-YPTjxdH73syUpydJhVIxQ8iiBKEylZMj4m<\/a><br \/>\n<a href=\"http:\/\/hzwer.com\/6743.html\">http:\/\/hzwer.com\/6743.html<\/a><\/p>\n<p>\u56e0\u4e3a\u4fdd\u8bc1\u6ca1\u6709\u56db\u70b9\u5171\u5706\uff0c\u6211\u4eec\u53ea\u8003\u8651\u5305\u542b\u7684\u60c5\u51b5\u3002\u66b4\u529b\u505a\u6cd5\uff0cO(n3) \u679a\u4e3e\u6bcf\u4e00\u4e2a\u5706 \uff0c\u66b4\u529b\u68c0\u67e5\u6709\u591a\u5c11\u70b9\u5728\u5706\u5185\uff0c\u65f6\u95f4\u590d\u6742\u5ea6 O(n4)\u3002<br \/>\n\u6211\u4eec\u9700\u8981\u907f\u514d\u679a\u4e3e\u6240\u6709\u5706\uff0c\u8003\u5bdf\u6bcf\u4e00\u7ec4\u56db\u8fb9\u5f62\u5bf9\u7b54\u6848\u7684\u8d21\u732e\u3002\u53ef\u4ee5\u8bc1\u660e\uff0c\u6bcf\u4e00\u7ec4\u51f9\u56db\u8fb9\u5f62\u5bf9\u7b54\u6848\u7684\u8d21\u732e\u4e3a 1\uff0c\u51f8\u56db\u8fb9\u5f62\u5bf9\u7b54\u6848\u7684\u8d21\u732e\u4e3a 2\u3002<\/p>\n<p>\u8bc1\u660e\uff1f<br \/>\n<a target=\"_blank\" href=\"https:\/\/www.shuizilong.com\/house\/wp-content\/gallery\/normal\/QQ%E5%9B%BE%E7%89%8720151005030627.png\"><br \/>\n<img decoding=\"async\" class=\"aligncenter size-full wp-image-1391\" src=\"https:\/\/www.shuizilong.com\/house\/wp-content\/gallery\/normal\/QQ%E5%9B%BE%E7%89%8720151005030627.png\" border=\"0\"\/><br \/>\n<\/a><\/p>\n<p>\u5bf9\u4e8e\u4efb\u610f\u56db\u8fb9\u5f62\uff0c\u6211\u4eec\u9996\u5148\u627e\u5230\u5176\u6700\u5c0f\u8986\u76d6\u5706\uff0c\u8003\u8651 ABC \u4e09\u4e2a\u70b9\u7ec4\u6210\u7684\u4e09\u89d2\u5f62\uff1a<\/p>\n<ul>\n<li>\u5982\u679c\u7b2c\u56db\u4e2a\u70b9 D \u5728\u4e09\u89d2\u5f62\u5185\u90e8\uff0c\u90a3\u4e48\u5bf9\u5e94\u51f9\u56db\u8fb9\u5f62\u7684\u60c5\u51b5\uff0c\u663e\u7136\u53ea\u6709\u5f53\u9009\u62e9 ABC \u65f6\u624d\u4f1a\u4ea7\u751f\u8d21\u732e\u3002<\/li>\n<li>\u5982\u679c\u7b2c\u56db\u4e2a\u70b9 D \u5728\u4e09\u89d2\u5f62\u5176\u4ed6\u4f4d\u7f6e\uff0c\u4f8b\u5982\u5728 I \u533a\uff0c\u90a3\u4e48\u6709 ABC\u3001ABD \u90fd\u4f1a\u4ea7\u751f\u8d21\u732e\uff0cI\u3001III \u533a\u57df\u7c7b\u4f3c\u3002<\/li>\n<\/ul>\n<p>\u5982\u4f55\u7edf\u8ba1\u51f9\u56db\u8fb9\u5f62\u548c\u51f8\u56db\u8fb9\u5f62\u7684\u6570\u91cf\uff1f<\/p>\n<p>\u7b97\u6cd5 1\uff1aO(n3)<br \/>\n\u6211\u4eec\u53ef\u4ee5\u679a\u4e3e\u4efb\u610f\u4e24\u4e2a\u70b9\uff0c\u7136\u540e\u6c42\u5728\u8fd9\u4e24\u4e2a\u70b9\u5de6\u4fa7\u7684\u70b9\u7684\u4e2a\u6570\u6765\u8ba1\u7b97\u6784\u6210\u7684\u56db\u8fb9\u5f62\u7684\u4e2a\u6570\u3002<br \/>\n\u53ef\u4ee5\u770b\u51fa\uff0c\u51f8\u591a\u8fb9\u5f62\u4f1a\u88ab\u8ba1\u7b97 4 \u6b21\uff0c\u51f9\u591a\u8fb9\u5f62\u4f1a\u88ab\u8ba1\u7b97 3 \u6b21\uff0c\u7136\u540e\u51cf\u53bb2\u500d\u7684\u591a\u8fb9\u5f62\u603b\u6570\uff0c\u5c31\u662f\u6211\u4eec\u8981\u6c42\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u7b97\u6cd5 2\uff1aO(n2logn)<br \/>\n\u8003\u8651\u4e00\u67d0\u4e2a\u70b9\u4e3a\u4e2d\u5fc3\u7684\u51f9\u56db\u8fb9\u5f62\uff0c\u6211\u4eec\u679a\u4e3e\u4e2d\u5fc3\u70b9\uff0c\u5bf9\u5176\u4ed6\u70b9\u6781\u89d2\u6392\u5e8f\uff0ctwo point \u51cf\u53bb\u6240\u6709\u4e0d\u5408\u6cd5\u7684\u60c5\u51b5\u5373\u53ef\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/lychees\/ACM-Training\/tree\/master\/Archive\/BZOJ\/1913%20%5BApio2010%5Dsignaling%20%E4%BF%A1%E5%8F%B7%E8%A6%86%E7%9B%96%E3%80%90%E6%9E%81%E8%A7%92%E6%8E%92%E5%BA%8F%E3%80%91\">https:\/\/github.com\/lychees\/ACM-Training\/tree\/master\/Archive\/BZOJ\/1913%20%5BApio2010%5Dsignaling%20%E4%BF%A1%E5%8F%B7%E8%A6%86%E7%9B%96%E3%80%90%E6%9E%81%E8%A7%92%E6%8E%92%E5%BA%8F%E3%80%91<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brief description: \u4e00\u4e2a\u5e73\u9762\u4e0a n \u4e2a\u70b9\uff0c\u968f\u673a\u9009 3 \u4e2a\u70b9\u6784\u6210\u4e00\u4e2a\u5706\uff0c\u95ee\u671f\u671b\u6709\u591a\u5c11\u4e2a\u70b9\u5728\u8fd9\u4e2a\u5706\u5185\uff08\u5305\u542b\u5706\u4e0a\uff09\u3002 \u6570\u636e\u4fdd\u8bc1\u6ca1\u6709 4 \u70b9\u5171\u5706\u30013 \u70b9\u5171\u7ebf\u548c\u91cd\u70b9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[22],"tags":[146],"class_list":["post-1222","post","type-post","status-publish","format-standard","hentry","category-bzoj","tag-146"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-jI","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1222","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/comments?post=1222"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1222\/revisions"}],"predecessor-version":[{"id":1226,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1222\/revisions\/1226"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=1222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=1222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=1222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}