{"id":457,"date":"2024-05-04T09:00:00","date_gmt":"2024-05-04T01:00:00","guid":{"rendered":"https:\/\/seanxd.com\/?p=457"},"modified":"2024-05-03T21:07:16","modified_gmt":"2024-05-03T13:07:16","slug":"zerojudge-d150","status":"publish","type":"post","link":"https:\/\/seanxd.com\/en\/zerojudge-d150\/","title":{"rendered":"ZeroJudge D150: Shopaholic"},"content":{"rendered":"\n\n\n

\u540c\u984c\uff1aUVa 11369 – Shopaholic<\/h4>\n\n\n\n

\u6797\u5e0c\u662f\u500b\u8cfc\u7269\u72c2\u3002\u6bcf\u6b21\u53ea\u8981\u6709\u8cb7\u4e8c\u9001\u4e00\u7684\u6298\u6263\uff0c\u5979\u5c31\u50cf\u760b\u4e86\u4e00\u6a23\u8981\u8cb7\u4e0b\u5e97\u88e1\u6240\u6709\u7684\u5546\u54c1\u3002\u4f60\u5df2\u7d93\u653e\u68c4\u6cbb\u7642\u5979\u7684\u75c5\u4e86\uff0c\u4f46\u662f\u60f3\u6e1b\u5c11\u5979\u7684\u652f\u51fa\u3002<\/p>\n\n\n\n

\u4f60\u77e5\u9053\u8cb7\u4e8c\u9001\u4e00\u6240\u9001\u7684\u4e00\u5b9a\u662f\u7d50\u5e33\u5546\u54c1\u4e2d\u6700\u4fbf\u5b9c\u7684\u90a3\u5e7e\u6a23\u3002\u6bd4\u5982\u8aaa\uff0c\u4f60\u7684\u670b\u53cb\u62ff\u4e86\u50f9\u503c\u70ba 400\u3001350\u3001300\u3001250\u3001200\u3001150\u3001\u53ca 100 \u7684\u4e03\u6a23\u5546\u54c1\u5230\u6ac3\u67b1\u53bb\u7d50\u5e33\uff0c\u5979\u5c31\u5f97\u4ed8 1500 \u5143\u3002\u5979\u7701\u4e0b\u4e86\u6700\u4fbf\u5b9c\u7684\u5169\u6a23\u5546\u54c1\u7684\u50f9\u9322\uff0c\u4e5f\u5c31\u662f 250 \u5143\u3002\u5982\u679c\u5979\u5206\u4e09\u6b21\u53bb\u7d50\u5e33\uff0c\u5979\u53ef\u4ee5\u7701\u4e0b\u66f4\u591a\u7684\u9322\u3002\u6bd4\u5982\u8aaa\uff0c\u5979\u5148\u62ff 400\u3001300 \u548c 250 \u7684\u53bb\u7d50\uff0c\u7b2c\u4e00\u6b21\u5c31\u53ef\u4ee5\u7701\u4e0b 250 \u5143\u3002\u7b2c\u4e8c\u6b21\u5979\u53ea\u62ff 150 \u5143\u7684\u53bb\u7d50\uff0c\u6c92\u6709\u6298\u6263\u3002\u4f46\u662f\u7b2c\u4e09\u6b21\u5979\u62ff 350\u3001200\u3001\u548c 100 \u7684\u53bb\u7d50\uff0c\u53c8\u7701\u4e86 100 \u5143\uff0c\u7e3d\u5171\u7701\u4e0b\u4e86 350 \u5143\u3002<\/p>\n\n\n\n

\u4f60\u7684\u5de5\u4f5c\u4fbf\u662f\u627e\u51fa\u6797\u5e0c\u6700\u591a\u53ef\u4ee5\u7701\u591a\u5c11\u9322\u3002<\/p>\n\n\n\n

\u7bc4\u4f8b\u6e2c\u8cc7<\/h2>\n\n\n\n
\u7bc4\u4f8b\u8f38\u5165<\/th>\u7bc4\u4f8b\u8f38\u51fa<\/th><\/tr><\/thead>
\u7b2c\u4e00\u884c\u662f\u6e2c\u8a66\u7b46\u6578 1 \u2264 T \u2264 20\u3002\u6bcf\u7b46\u6e2c\u8a66\u6709\u5169\u884c\u8f38\u5165\u3002\u7b2c\u4e00\u884c\u662f\u6797\u5e0c\u8cb7\u7684\u5546\u54c1\u6578 1 \u2264 N \u2264 20000\u3002\u4e0b\u4e00\u884c\u5247\u662f\u9019\u4e9b\u5546\u54c1\u7684\u50f9\u683c 1 \u2264 Pi<\/sub> \u2264 20000\u3002<\/td>\u6bcf\u500b\u6e2c\u8a66\uff0c\u8f38\u51fa\u4e00\u884c\uff0c\u5370\u51fa\u5982\u679c\u6797\u5e0c\u9069\u7576\u5730\u5206\u6b21\u7d50\u5e33\u6642\u6240\u80fd\u7701\u4e0b\u7684\u6700\u5927\u91d1\u984d\u3002<\/td><\/tr>
1
6
400 100 200 350 300 250<\/td>		400<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u89e3\u984c\u601d\u8def<\/h2>\n\n\n\n

\u5c07\u6bcf\u500b\u5546\u54c1\u7684\u50f9\u9322\u6536\u5230\u4e00\u500b Vector \u4e2d<\/strong>\uff0c\u6536\u5b8c\u4e4b\u5f8c\u4f7f\u7528 Sort<\/strong>\u3002<\/p>\n\n\n\n

\u8dd1 For\u8ff4\u5708<\/strong>\uff0c\u5f9e\u6700\u5927\u8dd1\u5230\u6700\u5c0f\uff0c\u4ee5\u6bcf\u4e09\u500b\u70ba\u55ae\u4f4d\uff0c\u4e26\u5c07\u76ee\u524d\u4f4d\u7f6e\u6e1b 2 \u7684\u50f9\u9322\u52a0\u5230\u7b54\u6848\u4e2d\u3002<\/p>\n\n\n\n

\u7bc4\u4f8b\u7a0b\u5f0f\u78bc\uff0dZeroJudge D150: Shopaholic<\/a><\/h3>\n\n\n\n
#include <iostream>\n#include <algorithm>\n#include <vector>\nusing namespace std;\n\nint main() {\n    cin.sync_with_stdio(0);\n    cin.tie(0);\n    int T;\n    cin >> T;\n    for (int i = 0; i<T; i++)\n    {\n        int N;\n        cin >> N;\n        vector<int>num;\n        for (int j = 0; j<N; j++)\n        {\n            int tmp;\n            cin >> tmp;\n            num.push_back(tmp);\n        }\n        sort(num.begin(), num.end());\n        int ans = 0;\n        for (int j = N-1; j>=0; j--)\n        {\n            if (j - 2 < 0) break;\n            else\n            {\n                ans += num[j-2];\n                j -= 2;\n            }\n        }\n        cout << ans << "\\n";\n    }\n}\n\n\/\/ZeroJudge D150\n\/\/Dr. SeanXD<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"
\u540c\u984c\uff1aUVa 11369 – Shopaholic \u6797\u5e0c\u662f\u500b\u8cfc\u7269\u72c2\u3002\u6bcf\u6b21\u53ea\u8981\u6709\u8cb7\u4e8c\u9001\u4e00\u7684\u6298\u6263\uff0c\u5979\u5c31 […]<\/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":[18],"tags":[20,8,19,9],"class_list":["post-457","post","type-post","status-publish","format-standard","hentry","category-uva","tag-20","tag-8","tag-19","tag-9"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/posts\/457","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/comments?post=457"}],"version-history":[{"count":1,"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/posts\/457\/revisions"}],"predecessor-version":[{"id":458,"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/posts\/457\/revisions\/458"}],"wp:attachment":[{"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/media?parent=457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/categories?post=457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seanxd.com\/en\/wp-json\/wp\/v2\/tags?post=457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}