{"id":344,"date":"2024-04-28T11:10:40","date_gmt":"2024-04-28T03:10:40","guid":{"rendered":"https:\/\/seanxd.com\/?p=344"},"modified":"2024-04-28T11:10:42","modified_gmt":"2024-04-28T03:10:42","slug":"zerojudge-a251","status":"publish","type":"post","link":"https:\/\/seanxd.com\/zh\/zerojudge-a251\/","title":{"rendered":"ZeroJudge A251: \u5047\u8cbb\u6ce2\u90a3\u5951\u6578"},"content":{"rendered":"\n\n\n<p class=\"\">Mr. X \u767c\u660e\u4e86\u4e00\u7a2e\u65b0\u7684\u65b9\u6cd5\u4f86\u88fd\u9020\u6578\u5217\uff0c\u4ed6\u628a\u5b83\u53eb\u505a\u300c\u5047\u8cbb\u6ce2\u90a3\u5951\u6578\u300d\uff0c\u56e0\u70ba\u4ed6\u88fd\u9020\u6578\u5217\u7684\u65b9\u6cd5\u548c\u8cbb\u6ce2\u90a3\u5951\u6578\u975e\u5e38\u76f8\u4f3c\u3002Mr. X \u7684\u6578\u5217\u7531 4 \u500b\u521d\u59cb\u6578\u5b57\u958b\u59cb (S1, S2, S3, S4 &lt;=5)\uff0c\u5c0d\u65bc\u6578\u5b57S<sub>i<\/sub> (i > 4) \u5b9a\u7fa9\u70ba\uff1aS<sub>i <\/sub>= S<sub>i-4<\/sub> + S<sub>i-1<\/sub> :<\/p>\n\n\n\n<p class=\"\">    \u5c0d\u65bc\u4e00\u500b\u5947\u6578 N\uff0cMr. X \u5e0c\u671b\u7522\u751f N \u500b\u5047\u8cbb\u6ce2\u90a3\u5951\u6578\uff0c\u800c Mr. X \u7e3d\u662f\u60f3\u77e5\u9053<strong>\u9019 N \u500b\u6578\u7684\u4e2d\u4f4d\u6578\u662f\u591a\u5c11<\/strong>\u3002\u8209\u4f8b\u4f86\u8aaa S1 = 3, S2 = 2, S3 = 4, S4 = 1\uff0c\u800cN = 7\uff0c\u5247\u6578\u5217\u70ba\uff1a<\/p>\n\n\n\n<p class=\"\">3, 2, 4, 1, 4, 6, 10<\/p>\n\n\n\n<p class=\"\">\u6392\u5e8f\u5f8c\u70ba\uff1a<\/p>\n\n\n\n<p class=\"\">1, 2, 3, 4, 4, 6, 10<\/p>\n\n\n\n<p class=\"\">\u6240\u4ee5\u4e2d\u4f4d\u6578\u5b57\u662f4.<\/p>\n\n\n\n<p class=\"\">\u5c0d\u65bc\u7d66\u5b9a\u7684\u521d\u59cb\u6578\u5b57\u53ca N\uff0c\u8acb\u8f38\u51fa Mr. X \u60f3\u8981\u77e5\u9053\u7684\u6578<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7bc4\u4f8b\u6e2c\u8cc7<\/h2>\n\n\n\n<figure class=\"wp-block-table nfd-wb-animate nfd-wb-fade-in-bottom-short\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7bc4\u4f8b\u8f38\u5165<\/th><th>\u7bc4\u4f8b\u8f38\u51fa<\/th><\/tr><\/thead><tbody><tr><td>\u6bcf\u500b\u6e2c\u8cc7\u6a94\u7b2c\u4e00\u500b\u6578\u5b57 T \u4ee3\u8868\u63a5\u4e0b\u4f86\u6709\u5e7e\u7d44\u6e2c\u8cc7\u3002<br>\u6bcf\u7b46\u6e2c\u8cc7\u6709\u4e94\u500b\u6578\u5b57 N\u3001S1\u3001S2\u3001S3\u3001S4\uff0c\u6e2c\u8cc7\u4fdd\u8b49 N (5 &lt;= N &lt; 20) \u70ba\u5947\u6578\u4e14 0 &lt;= S1, S2, S3, S4 &lt;= 5\uff0c\u6240\u6709\u6578\u5b57\u7686\u70ba\u6574\u6578\u3002<\/td><td>\u5c0d\u6bcf\u7b46\u6e2c\u8cc7\u8f38\u51fa\u4e00\u884c\uff0c\u4ee3\u8868 Mr. X \u60f3\u8981\u77e5\u9053\u7684\u6578\u5b57\u3002<\/td><\/tr><tr><td>2<br>5  3  2  4  1<br>7  3  2  4  1<\/td><td>3<br>4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u984c\u601d\u8def<\/h2>\n\n\n\n<p class=\"\">\u5c07\u8cc7\u6599\u8f38\u5165\u4e26\u904b\u7b97\u81f3\u6578\u5217\u9577\u5ea6\u70ba N \u4e4b\u5f8c\u9032\u884c\u6392\u5e8f\u4e26\u8f38\u51fa\u9663\u5217\u4e2d\u7b2c N\/2 \u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff0d<a href=\"https:\/\/zerojudge.tw\/ShowProblem?problemid=a251\" target=\"_blank\" rel=\"noreferrer noopener\">ZeroJudge A251: \u5047\u8cbb\u6ce2\u90a3\u5951\u6578<\/a><\/h3>\n\n\n\n<div class=\"hcb_wrap nfd-wb-animate nfd-wb-reveal-right nfd-delay-50\"><pre class=\"prism line-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;iostream&gt;\n#include &lt;vector&gt;\n#include &lt;algorithm&gt;\nusing namespace std;\n\nint main() {\n    cin.sync_with_stdio(0);\n    cin.tie(0);\n    int T;\n    cin &gt;&gt; T;\n    for (int i = 0; i&lt;T; i++)\n    {\n        int N;\n        cin &gt;&gt; N;\n        vector&lt;int&gt;num;\n        for (int j = 0; j&lt;4; j++)\n        {\n            int tmp;\n            cin &gt;&gt; tmp;\n            num.push_back(tmp);\n        }\n        for (int j = 4; j&lt;N; j++)\n        {\n            int tmp = num[j-4] + num[j-1];\n            num.push_back(tmp);\n        }\n        sort(num.begin(), num.end());\n        cout &lt;&lt; num[N\/2] &lt;&lt; &quot;\\n&quot;;\n    }\n}\n\n\/\/ZeroJudge A251\n\/\/Dr. SeanXD<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Mr. X \u767c\u660e\u4e86\u4e00\u7a2e\u65b0\u7684\u65b9\u6cd5\u4f86\u88fd\u9020\u6578\u5217\uff0c\u4ed6\u628a\u5b83\u53eb\u505a\u300c\u5047\u8cbb\u6ce2\u90a3\u5951\u6578\u300d\uff0c\u56e0\u70ba\u4ed6\u88fd\u9020\u6578\u5217\u7684\u65b9\u6cd5\u548c\u8cbb\u6ce2\u90a3\u5951\u6578\u975e\u5e38\u76f8\u4f3c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[29],"tags":[20,19,13,9],"class_list":["post-344","post","type-post","status-publish","format-standard","hentry","category-zerojudge-","tag-20","tag-19","tag-13","tag-9"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/344","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/comments?post=344"}],"version-history":[{"count":1,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/344\/revisions"}],"predecessor-version":[{"id":345,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/posts\/344\/revisions\/345"}],"wp:attachment":[{"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/media?parent=344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/categories?post=344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seanxd.com\/zh\/wp-json\/wp\/v2\/tags?post=344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}