{"id":376,"date":"2012-06-07T08:36:48","date_gmt":"2012-06-07T00:36:48","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=376"},"modified":"2012-08-10T05:47:25","modified_gmt":"2012-08-09T21:47:25","slug":"sgu-198","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/sgu-198\/","title":{"rendered":"SGU 198. Get Out!"},"content":{"rendered":"

Brief description: <\/h3>\n

\u3002\u3002\u3002\u8239\u957f\u9065 ( Captain Faraway ) \u548c\u4ed6\u8457\u540d\u7684\u5706\u5f62\u8239\u652f\u79d1\u6d1b\u53f7 ( Circular Ship Kolobok )\uff0c\u88ab\u56f0\u5728\u4e86\u4ed6\u521a\u521a\u53d1\u73b0\u7684\u4e00\u4e9b\u7fa4\u5c9b\u7684\u5468\u56f4\uff0c\u6240\u6709\u7684\u5c9b\u5c7f\u5305\u62ec\u8239\u652f\u90fd\u88ab\u63cf\u8ff0\u6210\u5706\u5f62\uff0c\u9898\u76ee\u8be2\u95ee\u662f\u5426\u53ef\u4ee5\u5b89\u5168\u7684\u79bb\u5f00\u8fd9\u7247\u6d77\u57df\u3002\u3002\u3002<\/p>\n

<\/p>\n

Analysis: <\/h3>\n

… \u5224\u65ad\u5706\u4ea4\u3001\u6ce8\u610f\u5916\u5207\u7684\u4e0d\u7b97\u3002\u3002\u5efa\u56fe\u540e\u6c42\u5c01\u95ed\u533a\u57df\u3002\u3002\u4e4b\u540e\u5224\u65ad\u51fa\u53d1\u70b9\u662f\u5426\u5728\u591a\u8fb9\u5f62\u5185\u3002\u3002
\n\uff08\u5728 dfs \u6811\u4e2d\u80fd\u5feb\u901f\u6c42\u51fa lca \u7684\u8bdd\u3002\u3002\u8fd9\u4e00\u6b65\u5e94\u8be5\u80fd O(1) \u3002\u3002<\/p>\n

\u3002\u3002\u8ba1\u7b97\u51e0\u4f55\u3002(32ms+-…<\/a><\/p>\n

\u3002\u3002\u30022 \u5e74\u524d\u7684\u4ee3\u7801\u3002\u3002\u3002\uff08WA 18.\u3002\u3002\u3002<\/a><\/p>\n

External link: <\/h3>\n

http:\/\/acm.sgu.ru\/problemset.php?contest=0&volume=1<\/a>
\nhttp:\/\/hi.baidu.com\/sabbah\/item\/f81cf5c01617472e47d5c048<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Brief description: \u3002\u3002\u3002\u8239\u957f\u9065 ( Captain Faraway ) \u548c\u4ed6\u8457\u540d\u7684\u5706\u5f62\u8239\u652f\u79d1\u6d1b\u53f7 ( Circular Ship Kolobok )\uff0c\u88ab\u56f0\u5728\u4e86\u4ed6\u521a\u521a\u53d1\u73b0\u7684\u4e00\u4e9b\u7fa4\u5c9b\u7684\u5468\u56f4\uff0c\u6240\u6709\u7684\u5c9b\u5c7f\u5305\u62ec\u8239\u652f\u90fd\u88ab\u63cf\u8ff0\u6210\u5706\u5f62\uff0c\u9898\u76ee\u8be2\u95ee\u662f\u5426\u53ef\u4ee5\u5b89\u5168\u7684\u79bb\u5f00\u8fd9\u7247\u6d77\u57df\u3002\u3002\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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[61],"tags":[7],"class_list":["post-376","post","type-post","status-publish","format-standard","hentry","category-sgu","tag-7"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-64","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/376","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=376"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/376\/revisions"}],"predecessor-version":[{"id":380,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/376\/revisions\/380"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}