{"id":340,"date":"2012-08-02T08:51:26","date_gmt":"2012-08-02T00:51:26","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=340"},"modified":"2012-08-02T09:21:43","modified_gmt":"2012-08-02T01:21:43","slug":"spoj-2666-query-on-a-tree-iv","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/spoj-2666-query-on-a-tree-iv\/","title":{"rendered":"SPOJ 2666. Query on a tree IV"},"content":{"rendered":"

Brief description:<\/h3>\n

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\n<\/a>
\n<\/p>\n

Analysis:<\/h3>\n

\u5148\u5f15\u7528\u8bba\u6587\u3002\u3002<\/p>\n

\n

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\"\"<\/a><\/p>\n

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\u2014\u2014\u2014\u2014\u2014\u2014 \u6458\u81ea NOI 09 \u51ac\u4ee4\u8425\u8bba\u6587 \u300a\u5206\u6cbb\u7b97\u6cd5\u5728\u6811\u7684\u8def\u5f84\u95ee\u9898\u4e2d\u7684\u5e94\u7528\u300bby qzc<\/p>\n

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\n\u65b9\u6cd5\u662f\u7ebf\u6bb5\u6811\uff0c\u5de6\u53f3\u5404\u5efa\u7acb\u4e00\u7ec4\u8f85\u52a9\u4fe1\u606f\uff0c\u7136\u540e\u6a21\u4eff GSS<\/a> \u4e2d\u7684\u65b9\u6cd5\u7ef4\u62a4\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n

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\n\u800c\u7ef4\u62a4\u8fd9\u4e2a\u5806\u3002\u3002\u53c8\u53ef\u4ee5\u7528\u66f4\u4e0b\u5c42\u7ed3\u70b9\u7684\u7ebf\u6bb5\u6811\u4fe1\u606f\u3002\u3002\u3002\uff08\u56e0\u4e3a \u201c\u6bcf\u6b21\u88ab\u5220\u9664\u7ed3\u70b9\u7684\u513f\u5b50\u5fc5\u5c06\u4f5c\u4e3a\u4e0b\u4e00\u6b21\u5220\u9664\u7684\u94fe\u7684\u5934\u7ed3\u70b9\u201d\u3002\u3002<\/p>\n

\u6700\u540e\u5bf9\u6240\u6709\u7684\u7ebf\u6bb5\u6811\uff0c\u518d\u5efa\u4e00\u4e2a\u5168\u5c40\u5806\u7ef4\u62a4\u6700\u7ec8\u8be2\u95ee\u3002\u3002\u3002
\n\uff08\u3002\u3002\u603b\u4e4b\u8fd9\u91cc\u7684\u5806\u8981\u6d89\u53ca\u5230\u590d\u6742\u7684\u4fee\u6539\u64cd\u4f5c\uff0c\u53e6\u5916\u8fd8\u9700\u8981\u652f\u6301\u8be2\u95ee\u6b21\u5c0f\u503c\uff0c\u5fc5\u987b\u624b\u5199\u3002\u3002\u3002
\n\u4fee\u6539\u7684\u65f6\u5019\u6cbf\u7740\u8df3\u94fe\u7684\u65b9\u5411\uff0c\u5bf9\u5806\u548c\u7ebf\u6bb5\u6811\u4ea4\u66ff\u7ef4\u62a4\u5373\u53ef\u3002\u3002\u590d\u6742\u5ea6 O(log^2n)\u3002\u3002\u3002<\/p>\n

\u6811\u94fe\u5256\u5206\uff084.7s +- \u3002\u3002\u3002<\/a>
\n\u8fb9\u5206\u6cbb\uff0814.7s ++\u3002\u3002 \u3002\u4e14\u5b58\u5728\u4e00\u5b9a\u51e0\u7387\u4f1a T \u3002\u3002\u53cd\u590d\u63d0\u4ea4\u53ef\u7834\u3002\u3002\u3002<\/a><\/p>\n

\uff08\u8fb9\u5206\u6cbb\u7684\u8bdd\u4e0d\u9700\u8981\u7ef4\u62a4\u7ebf\u6bb5\u6811\uff0c\u601d\u8003\u8d77\u6765\u4e5f\u66f4\u76f4\u63a5\u3002\u3002\u7ef4\u62a4\u7684\u65f6\u5019\u76f4\u63a5\u8bb0\u5f55\u6bcf\u4e2a\u70b9\u5728\u54ea\u4e9b\u5b50\u6811\u91cc\uff0c\u76f4\u63a5\u626b\u4e00\u904d\u8fc7\u53bb\u5c31\u884c\u4e86\u3002\u3002
\n\uff08\u4e0d\u8fc7\u4ee3\u7801\u53ef\u53d8\u7684\u5730\u65b9\u4e5f\u8981\u591a\u4e9b\uff0c\u800c\u4e14\u770b\u8d77\u6765\u7684\u8868\u73b0\u7ed9\u4eba\u611f\u89c9\u4e0d\u592a\u7a33\u5b9a\u7684\u6837\u5b50\u3002\u3002\u3002
\n\uff08PS\uff1a.\u8fd9\u6837\u4e00\u6765 QTREE \u7cfb\u5217\u4e5f\u5c31 ALL CLEAR \u4e86\u3002\u3002\u3002\u4e0d\u8fc7.\u3002\u3002\u597d\u50cf\u8fd9\u9898\u73b0\u5728\u5df2\u7ecf\u6210\u4e3a\u8def\u4eba\u9898\u4e86\u5427\uff1f\u3002\u3002\u3002<\/p>\n

External link:<\/h3>\n

http:\/\/www.spoj.pl\/problems\/QTREE4\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Brief description: \u3002\u5e26\u8fb9\u6743\u7248\u672c\u7684\u6349\u8ff7\u85cf\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":[1],"tags":[],"class_list":["post-340","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-5u","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/340","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=340"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/340\/revisions"}],"predecessor-version":[{"id":343,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/340\/revisions\/343"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}