{"id":932,"date":"2014-08-08T05:17:34","date_gmt":"2014-08-07T21:17:34","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=932"},"modified":"2016-08-24T20:43:55","modified_gmt":"2016-08-24T12:43:55","slug":"spoj-7258-lexicographical-substring-search","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/spoj-7258-lexicographical-substring-search\/","title":{"rendered":"SPOJ 7258. Lexicographical Substring Search"},"content":{"rendered":"<p><a href=\"http:\/\/vjudge.net\/problem\/viewProblem.action?id=28015\">http:\/\/vjudge.net\/problem\/viewProblem.action?id=28015<\/a><\/p>\n<h3>Brief description:<\/h3>\n<p>\u6c42\u7ed9\u5b9a\u5b57\u7b26\u4e32\uff0c\u5b57\u5178\u5e8f\u7b2c kth \u5927\u7684\u5b50\u4e32\uff08\u91cd\u590d\u7684\u7b97\u4e00\u4e2a\uff09\u3002<\/p>\n<h3>Analysis:<\/h3>\n<p>\u7b97\u6cd5\u4e00\uff1a\u540e\u7f00\u6570\u7ec4<br \/>\n\u9884\u5904\u7406\u524d i \u4e2a\u540e\u7f00\u80fd\u5f62\u6210\u591a\u5c11\u4e2a\u4e0d\u540c\u7684\u5b50\u4e32\uff0c\u4e4b\u540e\u4e8c\u5206\uff0c\u590d\u6742\u5ea6 $O(logn)$\u3002<br \/>\n<a href=\"http:\/\/vjudge.net\/problem\/viewSource.action?id=1577464\">http:\/\/vjudge.net\/problem\/viewSource.action?id=1577464<\/a><\/p>\n<p>\u7b97\u6cd5\u4e8c\uff1a\u540e\u7f00\u81ea\u52a8\u673a<br \/>\nDP \u51fa\u6bcf\u4e2a\u72b6\u6001\u51fa\u53d1\u53ef\u4ee5\u8bc6\u522b\u591a\u5c11\u5b50\u4e32\u3002\u4e4b\u540e\u5728 SAM \u4e0a\uff0c\u9010\u4e2a\u5b57\u7b26\u5c1d\u8bd5\u3002<br \/>\n\u3002\u3002\u3002\u8fd9\u79cd\u65b9\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u8f83\u5dee\uff08\u4f9d\u8d56\u4e8e\u5b50\u4e32\u957f\u5ea6\uff09\u3001\u60f3\u8981\u901a\u8fc7\u6b64\u9898\u9700\u8981\u5e38\u6570\u4f18\u5316\u548c\u4e00\u5b9a\u8fd0\u6c14\u3002\u3002\u3002<br \/>\n<a href=\"http:\/\/vjudge.net\/problem\/viewSource.action?id=2604504\">http:\/\/vjudge.net\/problem\/viewSource.action?id=2604504<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>http:\/\/vjudge.net\/problem\/viewProblem.action?id=28015 Brief description: \u6c42\u7ed9\u5b9a\u5b57\u7b26\u4e32\uff0c\u5b57\u5178\u5e8f\u7b2c kth \u5927\u7684\u5b50\u4e32\uff08\u91cd\u590d\u7684\u7b97\u4e00\u4e2a\uff09\u3002 Analysis: \u7b97\u6cd5\u4e00\uff1a\u540e\u7f00\u6570\u7ec4 \u9884\u5904\u7406\u524d i \u4e2a\u540e\u7f00\u80fd\u5f62\u6210\u591a\u5c11\u4e2a\u4e0d\u540c\u7684\u5b50\u4e32\uff0c\u4e4b\u540e\u4e8c\u5206\uff0c\u590d\u6742\u5ea6 $O(logn)$\u3002 http:\/\/vjudge.net\/problem\/viewSource.action?id=1577464 \u7b97\u6cd5\u4e8c\uff1a\u540e\u7f00\u81ea\u52a8\u673a DP \u51fa\u6bcf\u4e2a\u72b6\u6001\u51fa\u53d1\u53ef\u4ee5\u8bc6\u522b\u591a\u5c11\u5b50\u4e32\u3002\u4e4b\u540e\u5728 SAM \u4e0a\uff0c\u9010\u4e2a\u5b57\u7b26\u5c1d\u8bd5\u3002 \u3002\u3002\u3002\u8fd9\u79cd\u65b9\u6cd5\u65f6\u95f4\u590d\u6742\u5ea6\u8f83\u5dee\uff08\u4f9d\u8d56\u4e8e\u5b50\u4e32\u957f\u5ea6\uff09\u3001\u60f3\u8981\u901a\u8fc7\u6b64\u9898\u9700\u8981\u5e38\u6570\u4f18\u5316\u548c\u4e00\u5b9a\u8fd0\u6c14\u3002\u3002\u3002 http:\/\/vjudge.net\/problem\/viewSource.action?id=2604504<\/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":[21],"tags":[123],"class_list":["post-932","post","type-post","status-publish","format-standard","hentry","category-spoj","tag-123"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-f2","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/932","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=932"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/932\/revisions"}],"predecessor-version":[{"id":934,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/932\/revisions\/934"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}