{"id":3343,"date":"2024-09-18T01:09:18","date_gmt":"2024-09-17T17:09:18","guid":{"rendered":"https:\/\/www.shuizilong.com\/house\/?p=3343"},"modified":"2024-09-18T17:16:55","modified_gmt":"2024-09-18T09:16:55","slug":"atcoder-beginner-contest-371","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/house\/archives\/atcoder-beginner-contest-371\/","title":{"rendered":"AtCoder Beginner Contest 371"},"content":{"rendered":"<h2>Problem E. I Hate Sigma Problems<\/h2>\n<p>\u8be2\u95ee\u533a\u95f4\u4e0d\u540c\u5143\u7d20\u6570\u76ee\u6709\u5404\u79cd\u7ecf\u5178\u79bb\u7ebf\u548c\u51fd\u6570\u5f0f\u7ebf\u6bb5\u6811\u505a\u6cd5\uff0c\u4f46\u662f\u8fd9\u4e2a\u9898\u8981\u7edf\u8ba1\u6574\u4f53\uff0c\u76f4\u63a5\u4e0a\u6570\u636e\u7ed3\u6784\u590d\u6742\u5ea6\u53cd\u800c\u4e0d\u592a\u5bf9\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u5355\u72ec\u7edf\u8ba1\u6bcf\u79cd\u5143\u7d20\u5bf9\u7b54\u6848\u7684\u8d21\u732e\uff0c\u800c\u8fd9\u4e2a\u53ea\u8981\u8ba1\u7b97\u5176\u8865\u96c6\u5373\u53ef\uff0c\u590d\u6742\u5ea6 O(n)\u3002<br \/>\n<a href=\"https:\/\/atcoder.jp\/contests\/abc371\/submissions\/57884316\">https:\/\/atcoder.jp\/contests\/abc371\/submissions\/57884316<\/a><\/p>\n<h2>Problem G. Lexicographically Smallest Permutation<\/h2>\n<p>\u539f\u9898\u7b49\u4ef7\u4e8e\u6c42\u5b57\u5178\u5e8f\u6700\u5c0f\u7684 AP^x\uff0c\u7531\u4e8e P \u662f\u4e2a\u6392\u5217\uff0c\u663e\u7136\u53ef\u4ee5\u53ea\u8003\u5bdf\u5b83\u7684\u5faa\u73af\u5206\u89e3\u3002\u6211\u4eec\u4ece\u5de6\u5230\u53f3\u8d2a\u5fc3\u7684\u786e\u5b9a AP^x \u7684\u6bcf\u4e00\u4f4d\u4ee5\u53ca\u6253\u5305\u5f97\u5230\u5176\u6240\u5728\u7684\u5faa\u73af\u6240\u6709\u4f4d\u7f6e\u7684\u7ed3\u679c\uff0c\u6309\u987a\u5e8f\u8003\u5bdf\u6bcf\u4e00\u7ec4\u8fd9\u6837\u7684\u5faa\u73af\u3002\u6211\u4eec\u603b\u80fd\u5f97\u5230\u4e00\u7ec4\u5f62\u5982 x = r (mod c) \u7684\u9650\u5236\uff0c\u8fd9\u91cc\u7684 c \u662f\u5faa\u73af\u7684\u957f\u5ea6\uff0c\u6211\u4eec\u8981\u5728\u8d2a\u5fc3\u7ed3\u679c\u5c3d\u53ef\u80fd\u5c0f\u7684\u540c\u65f6\uff0c\u4e0d\u7834\u574f\u4e4b\u524d\u5f97\u5230\u7684\u6240\u6709\u9650\u5236\u6761\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u5408\u5e76\u8fd9\u4e9b\u6761\u4ef6\uff0c\u8ba1\u7b97\u6240\u6709\u8fd9\u4e9b c \u5f62\u6210\u7684 lcm\uff0c\u4f46\u662f\u8fd9\u6837\u8fd9\u4e2a lcm \u53ef\u80fd\u4f1a\u7279\u522b\u5927\u3002\u6ce8\u610f\u5230\u6211\u4eec\u5e76\u4e0d\u9700\u8981\u8ba1\u7b97\u5177\u4f53\u7684 x\uff0c\u5e76\u4e14\u5bf9\u4e8e\u6240\u6709\u4e92\u7d20\u7684 c\uff0c\u663e\u7136\u8fd9\u4e9b\u9650\u5236\u662f\u4e0d\u4e92\u76f8\u5f71\u54cd\u7684\uff0c\u8fd9\u63d0\u9192\u6211\u4eec\u53ea\u9700\u8981\u8003\u5bdf\u548c\u66f4\u65b0\u6240\u6709 c \u7684\u56e0\u5b50\u6240\u5f62\u6210\u7684\u9650\u5236\u6761\u4ef6\uff0c\u8fdb\u4e00\u6b65\u6211\u4eec\u53ea\u9700\u8981\u7ef4\u62a4\u6240\u6709\u7d20\u6570\u5e42\u7684\u9650\u5236\u5373\u53ef\u3002<br \/>\n<a href=\"https:\/\/atcoder.jp\/contests\/abc371\/submissions\/57872303\">https:\/\/atcoder.jp\/contests\/abc371\/submissions\/57872303<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problem E. I Hate Sigma Problems \u8be2\u95ee\u533a\u95f4\u4e0d\u540c\u5143\u7d20\u6570\u76ee\u6709\u5404\u79cd\u7ecf\u5178\u79bb\u7ebf\u548c\u51fd\u6570\u5f0f\u7ebf\u6bb5\u6811\u505a\u6cd5\uff0c\u4f46\u662f\u8fd9\u4e2a\u9898\u8981\u7edf\u8ba1\u6574\u4f53\uff0c\u76f4\u63a5\u4e0a\u6570\u636e\u7ed3\u6784\u590d\u6742\u5ea6\u53cd\u800c\u4e0d\u592a\u5bf9\u3002 \u6211\u4eec\u53ef\u4ee5\u5355\u72ec\u7edf\u8ba1\u6bcf\u79cd\u5143\u7d20\u5bf9\u7b54\u6848\u7684\u8d21\u732e\uff0c\u800c\u8fd9\u4e2a\u53ea\u8981\u8ba1\u7b97\u5176\u8865\u96c6\u5373\u53ef\uff0c\u590d\u6742\u5ea6 O(n)\u3002 https:\/\/atcoder.jp\/contests\/abc371\/submissions\/57884316 Problem G. Lexicographically Smallest Permutation \u539f\u9898\u7b49\u4ef7\u4e8e\u6c42\u5b57\u5178\u5e8f\u6700\u5c0f\u7684 AP^x\uff0c\u7531\u4e8e P \u662f\u4e2a\u6392\u5217\uff0c\u663e\u7136\u53ef\u4ee5\u53ea\u8003\u5bdf\u5b83\u7684\u5faa\u73af\u5206\u89e3\u3002\u6211\u4eec\u4ece\u5de6\u5230\u53f3\u8d2a\u5fc3\u7684\u786e\u5b9a AP^x \u7684\u6bcf\u4e00\u4f4d\u4ee5\u53ca\u6253\u5305\u5f97\u5230\u5176\u6240\u5728\u7684\u5faa\u73af\u6240\u6709\u4f4d\u7f6e\u7684\u7ed3\u679c\uff0c\u6309\u987a\u5e8f\u8003\u5bdf\u6bcf\u4e00\u7ec4\u8fd9\u6837\u7684\u5faa\u73af\u3002\u6211\u4eec\u603b\u80fd\u5f97\u5230\u4e00\u7ec4\u5f62\u5982 x = r (mod c) \u7684\u9650\u5236\uff0c\u8fd9\u91cc\u7684 c \u662f\u5faa\u73af\u7684\u957f\u5ea6\uff0c\u6211\u4eec\u8981\u5728\u8d2a\u5fc3\u7ed3\u679c\u5c3d\u53ef\u80fd\u5c0f\u7684\u540c\u65f6\uff0c\u4e0d\u7834\u574f\u4e4b\u524d\u5f97\u5230\u7684\u6240\u6709\u9650\u5236\u6761\u4ef6\u3002 \u6211\u4eec\u53ef\u4ee5\u5408\u5e76\u8fd9\u4e9b\u6761\u4ef6\uff0c\u8ba1\u7b97\u6240\u6709\u8fd9\u4e9b c \u5f62\u6210\u7684 lcm\uff0c\u4f46\u662f\u8fd9\u6837\u8fd9\u4e2a lcm \u53ef\u80fd\u4f1a\u7279\u522b\u5927\u3002\u6ce8\u610f\u5230\u6211\u4eec\u5e76\u4e0d\u9700\u8981\u8ba1\u7b97\u5177\u4f53\u7684 x\uff0c\u5e76\u4e14\u5bf9\u4e8e\u6240\u6709\u4e92\u7d20\u7684 c\uff0c\u663e\u7136\u8fd9\u4e9b\u9650\u5236\u662f\u4e0d\u4e92\u76f8\u5f71\u54cd\u7684\uff0c\u8fd9\u63d0\u9192\u6211\u4eec\u53ea\u9700\u8981\u8003\u5bdf\u548c\u66f4\u65b0\u6240\u6709 c \u7684\u56e0\u5b50\u6240\u5f62\u6210\u7684\u9650\u5236\u6761\u4ef6\uff0c\u8fdb\u4e00\u6b65\u6211\u4eec\u53ea\u9700\u8981\u7ef4\u62a4\u6240\u6709\u7d20\u6570\u5e42\u7684\u9650\u5236\u5373\u53ef\u3002 https:\/\/atcoder.jp\/contests\/abc371\/submissions\/57872303<\/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-3343","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p2tdP7-RV","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/3343","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=3343"}],"version-history":[{"count":6,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/3343\/revisions"}],"predecessor-version":[{"id":3349,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/posts\/3343\/revisions\/3349"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/media?parent=3343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/categories?post=3343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/house\/wp-json\/wp\/v2\/tags?post=3343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}