{"id":531,"date":"2012-10-18T11:33:43","date_gmt":"2012-10-18T03:33:43","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=531"},"modified":"2012-10-18T11:33:43","modified_gmt":"2012-10-18T03:33:43","slug":"codeforces-round-145","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/codeforces-round-145\/","title":{"rendered":"Codeforces Round #145"},"content":{"rendered":"

Live:
\nA [\u7edf\u8ba1\u3002\u3002] B[\u52a8\u6001\u89c4\u5212\u3002\u3002] C[SB \u6784\u9020\u3002\u3002] \u3002\u3002D\u3002\u3002[adhoc]\u3002\u3002E [\u95ee\u81f3\u5c11\u4fee\u590d\u591a\u5c11\u6761\u8fb9\u53ef\u4ee5\u4f7f\u5f97\u56fe\u53d8\u4e3a\u6307\u5b9a\u6e90\u70b9\u7684\u6811\u5f62\u56fe\u3002\u3002]\u3002\u3002F [\u7591\u4f3c26\u68f5\u7ebf\u6bb5\u6811\u4e71\u641e\uff1f\u3002]\u3002\u3002
\n
\nD. \u6709\u5411\u56fe\uff0c\u4fdd\u8bc1\u4e24\u70b9\u4e4b\u95f4\u4e0d\u4f1a\u6709\u4e24\u4e2a\u65b9\u5411\u7684\u8fb9\u3002\u3002\u8fb9\u5206\u4e3a\u5b9e\u8fb9\u548c\u865a\u8fb9\u3002\u3002
\n\u3002\u3002\u95ee\u81f3\u5c11\u4fee\u590d\u591a\u5c11\u6761\u865a\u8fb9\u53ef\u4ee5\u4f7f\u5f97\u8be5\u56fe\uff0c\u53d8\u4e3a\u6307\u5b9a\u6e90\u70b9\u7684\u6811\u5f62\u56fe\u3002\u3002\u3002<\/p>\n

\u3002\u73b0\u573a\u751f\u4e00\u76f4\u7ea0\u7ed3\u4e8e\u8981\u4e0d\u8981\u62cd\u6811\u5f62\u56fe\uff0c\uff08\u4f46\u662f\u53d1\u73b0\u5176\u5b9e\u5df2\u7ecf\u4e0d\u4f1a\u4e86\u3002\u3002\u6811\u5f62\u56fe\u4e5f\u662f\u53ef\u8fc7\u7684\u3002\u3002\u53c2\u89c1 CLJ \u7684\u4ee3\u7801\u3002\u3002
\n\u3002\u3002\u3002\u4e4b\u540e\u53d1\u73b0\u5f3a\u8fde\u901a\u7f29\u70b9\u4e4b\u540e\u8d2a\u5fc3\u4e5f\u662f\u53ef\u4ee5\u505a\u7684\u3002\u3002
\n\u65b9\u6cd5\u662f\u5148\u8fdb\u884c\u7f29\u70b9\uff08\u5b9e\u8fb9\uff09\u3002\u7136\u540e\u53ea\u9700\u8981\u8003\u5bdf\u90a3\u4e9b\u5f15\u5411\u5165\u5ea6\u4e3a 0 \u7684\u70b9\u7684\u865a\u8fb9\u3002\u3002
\n\u3002\u3002\u6700\u540e\u628a\u8fd9\u4e24\u7c7b\u8fb9\u653e\u5728\u4e00\u8d77\u6267\u884c\u4e00\u6b21 bfs() \u5373\u53ef\u3002<\/p>\n

http:\/\/codeforces.com\/contest\/240\/submission\/2381649<\/a><\/p>\n

E. \u7ed9\u5b9a\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u6bcf\u6b21\u64cd\u4f5c (l, r)\uff0c\u5c06\u8be5\u4e32\u7684 (l, r) \u4f4d\u7f6e\u91cd\u6392\uff0c
\n\u5f62\u6210\u4e00\u4e2a\u5b57\u5178\u5e8f\u6700\u5c0f\u7684\u56de\u6587\u4e32\uff08\u5982\u679c\u65e0\u6cd5\u5f62\u6210\u5219\u5ffd\u7565\uff09\u3002\u3002\u95ee\u6700\u540e\u5b57\u7b26\u4e32\u53d8\u6210\u4ec0\u4e48\u6837\u4e86\u3002<\/p>\n

\u3002\u3002\u5176\u5b9e\u7b97\u6cd5\u5f88\u7b80\u5355\u3002\u5c31\u662f 26 \u68f5\u7ebf\u6bb5\u6811\u66b4\u529b\u7ef4\u62a4\u3002\u3002
\n\u73b0\u573a\u751f\u4e00\u76f4\u7ea0\u7ed3\u4e8e\u6709\u6ca1\u6709\u4e00\u79cd\u6bd4\u8f83\u7b80\u5355\u7684\u5b9e\u73b0\u3002\u3002\u7ed3\u679c\u6700\u540e\u8fde\u62cd\u90fd\u6ca1\u62cd\u5b8c\u3002\u3002
\n\uff08\u8bfb\u4e86\u4e00\u4e0b rng_58 \u7684\u4ee3\u7801\u3002\u3002\u7136\u540e\u53d1\u73b0\u56e0\u4e3a\u6bcf\u4e2a\u70b9\u53ea\u6709 0\/1 \u4e24\u79cd\u72b6\u6001\uff0c\u6240\u4ee5\u53ef\u4ee5\u76f4\u63a5\u7528\u7d2f\u548c\u7684\u6570\u7ec4\u7b80\u5316\u6807\u8bb0\u4e0b\u653e\u3002\u3002Orz\u3002\u3002<\/p>\n

http:\/\/codeforces.com\/contest\/240\/submission\/2381889<\/a><\/p>\n

\u3002\u8fd8\u6709\u90a3\u4e48\u591a\u89e3\u9898\u62a5\u544a\u6ca1\u8865\u600e\u4e48\u529e\u3002\u3002\uff08\u6551\u547d\u5440\u3002\u3002>_<\n\n\n\n

External link: <\/h3>\n

http:\/\/codeforces.com\/blog\/entry\/5531<\/a>
\nhttp:\/\/blog.renren.com\/blog\/271960376\/876328651<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Live: A [\u7edf\u8ba1\u3002\u3002] B[\u52a8\u6001\u89c4\u5212\u3002\u3002] C[SB \u6784\u9020\u3002\u3002] \u3002\u3002D\u3002\u3002[adhoc]\u3002\u3002E [\u95ee\u81f3\u5c11\u4fee\u590d\u591a\u5c11\u6761\u8fb9\u53ef\u4ee5\u4f7f\u5f97\u56fe\u53d8\u4e3a\u6307\u5b9a\u6e90\u70b9\u7684\u6811\u5f62\u56fe\u3002\u3002]\u3002\u3002F [\u7591\u4f3c26\u68f5\u7ebf\u6bb5\u6811\u4e71\u641e\uff1f\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":[18],"tags":[],"class_list":["post-531","post","type-post","status-publish","format-standard","hentry","category-codeforces"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-8z","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/531","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=531"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/531\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}