{"id":1842,"date":"2021-12-10T18:46:30","date_gmt":"2021-12-10T10:46:30","guid":{"rendered":"http:\/\/www.shuizilong.com\/house\/?p=1842"},"modified":"2021-12-10T18:50:51","modified_gmt":"2021-12-10T10:50:51","slug":"the-2019-icpc-asia-nanjing-regional-contest","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/","title":{"rendered":"The 2019 ICPC Asia Nanjing Regional Contest"},"content":{"rendered":"<p><a href=\"https:\/\/codeforces.com\/gym\/103466\">https:\/\/codeforces.com\/gym\/103466<\/a><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69e033a5f21ca\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69e033a5f21ca\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_A_A_Hard_Problem\" title=\"Problem A. A Hard Problem\">Problem A. A Hard Problem<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_B_Chessboard\" title=\"Problem B. Chessboard\">Problem B. Chessboard<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_C_Digital_Path\" title=\"Problem C. Digital Path\">Problem C. Digital Path<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_D_Holes\" title=\"Problem D. Holes\">Problem D. Holes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_E_Observation\" title=\"Problem E. Observation\">Problem E. Observation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_F_Paper_Grading\" title=\"Problem F. Paper Grading\">Problem F. Paper Grading<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_G_Poker_Game\" title=\"Problem G. Poker Game\">Problem G. Poker Game<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_H_Prince_and_Princess\" title=\"Problem H. Prince and Princess\">Problem H. Prince and Princess<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_I_Space_Station\" title=\"Problem I. Space Station\">Problem I. Space Station<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_J_Spy\" title=\"Problem J. Spy\">Problem J. Spy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.shuizilong.com\/house\/archives\/the-2019-icpc-asia-nanjing-regional-contest\/#Problem_K_Triangle\" title=\"Problem K. Triangle\">Problem K. Triangle<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Problem_A_A_Hard_Problem\"><\/span>Problem A. A Hard Problem<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Problem_B_Chessboard\"><\/span>Problem B. Chessboard<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5f00\u59cb\u4ee5\u4e3a\u662f\u57f9\u517b\u76bf\u95ee\u9898\u3002\u3002\u3002<br \/>\n\u540e\u6765\u53d1\u73b0\u53ea\u80fd\u8fde\u7eed\u7684\u6574\u884c or \u6574\u5217\u3002\u3002\uff08\u8bdd\u8bf4\u6211\u5c0f\u65f6\u5019\u6284\u4e66\u7684\u65f6\u5019\u5c31\u559c\u6b22\u7528\u8fd9\u79cd\u626b\u63cf\u65b9\u5f0f\u3002\u3002\u3002\uff09<br \/>\n\u7b80\u5355\u7ec4\u5408\u6570\u8ba8\u8bba\u4e00\u4e0b\u5373\u53ef\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Problem_C_Digital_Path\"><\/span>Problem C. Digital Path<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Problem_D_Holes\"><\/span>Problem D. Holes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u770b\u8d77\u6765\u662f\u633a\u6807\u51c6\u7684\u671f\u671b DP\u3002\u3002\u3002\u5c45\u7136\u662f\u8fd9\u5957\u9898\u91cc\u6700\u96be\u5f97\u9898\uff1f<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Problem_E_Observation\"><\/span>Problem E. Observation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u4e0d\u4f1a\u3002<br \/>\nhttps:\/\/blog.csdn.net\/xym_CSDN\/article\/details\/102906128<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Problem_F_Paper_Grading\"><\/span>Problem F. Paper Grading<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>https:\/\/blog.csdn.net\/qq_43202683\/article\/details\/104100136<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Problem_G_Poker_Game\"><\/span>Problem G. Poker Game<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Problem_H_Prince_and_Princess\"><\/span>Problem H. Prince and Princess<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Problem_I_Space_Station\"><\/span>Problem I. Space Station<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Problem_J_Spy\"><\/span>Problem J. Spy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"Problem_K_Triangle\"><\/span>Problem K. Triangle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/codeforces.com\/gym\/103466 Problem A. A Hard Problem Problem B. Chessboard \u5f00\u59cb\u4ee5\u4e3a\u662f\u57f9\u517b\u76bf\u95ee\u9898\u3002\u3002\u3002 \u540e\u6765\u53d1\u73b0\u53ea\u80fd\u8fde\u7eed\u7684\u6574\u884c or \u6574\u5217\u3002\u3002\uff08\u8bdd\u8bf4\u6211\u5c0f\u65f6\u5019\u6284\u4e66\u7684\u65f6\u5019\u5c31\u559c\u6b22\u7528\u8fd9\u79cd\u626b\u63cf\u65b9\u5f0f\u3002\u3002\u3002\uff09 \u7b80\u5355\u7ec4\u5408\u6570\u8ba8\u8bba\u4e00\u4e0b\u5373\u53ef\u3002 Problem C. Digital Path Problem D. Holes \u770b\u8d77\u6765\u662f\u633a\u6807\u51c6\u7684\u671f\u671b DP\u3002\u3002\u3002\u5c45\u7136\u662f\u8fd9\u5957\u9898\u91cc\u6700\u96be\u5f97\u9898\uff1f Problem E. Observation \u4e0d\u4f1a\u3002 https:\/\/blog.csdn.net\/xym_CSDN\/article\/details\/102906128 Problem F. Paper Grading https:\/\/blog.csdn.net\/qq_43202683\/article\/details\/104100136 Problem G. Poker Game Problem H. Prince and Princess Problem I. Space Station Problem J. Spy Problem K. Triangle<\/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":[1],"tags":[],"class_list":["post-1842","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-tI","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1842","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=1842"}],"version-history":[{"count":1,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1842\/revisions"}],"predecessor-version":[{"id":1843,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/1842\/revisions\/1843"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=1842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=1842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=1842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}