{"id":262,"date":"2023-09-24T17:40:55","date_gmt":"2023-09-24T09:40:55","guid":{"rendered":"https:\/\/blog.n-bc.top\/?p=262"},"modified":"2023-09-24T17:40:55","modified_gmt":"2023-09-24T09:40:55","slug":"%e3%80%90csp-j-2019%e3%80%91%e7%ba%aa%e5%bf%b5%e5%93%81","status":"publish","type":"post","link":"https:\/\/www.n-bc.top\/?p=262","title":{"rendered":"\u3010CSP-J 2019\u3011\u7eaa\u5ff5\u54c1"},"content":{"rendered":"\n

\u9898\u76ee\u7b80\u8981<\/h2>\n\n\n\n

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\u8f93\u5165\u683c\u5f0f\u3001\u6837\u4f8b<\/h2>\n\n\n\n

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6 1 100 50 20 25 20 25 50<\/p>\n\n\n\n

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\u5176\u4ed6<\/h2>\n\n\n\n

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\u5206\u6790<\/h2>\n\n\n\n

dp\u5b8c\u5168\u80cc\u5305\u3002<\/p>\n\n\n\n

#include<bits\/stdc++.h>\nusing namespace std;\nlong long t,n,m;\/\/\u672a\u6765\u5929\u6570 T\uff0c\u7eaa\u5ff5\u54c1\u6570\u91cf N\uff0c\u5c0f\u4f1f\u73b0\u5728\u62e5\u6709\u7684\u91d1\u5e01\u6570\u91cfM\u3002\nlong long a[110][1010];\/\/\u7b2ci\u5929\u7b2cj\u4ef6\u4ef7\u683c\nlong long f[10010];\nint main()\n{\n\tcin>>t>>n>>m;\n\tfor(int i=1;i<=t;i++)\n\t{\n\t\tfor(int j=1;j<=n;j++)\n\t\t{\n\t\t\tcin>>a[i][j];\/\/\u8f93\u5165\n\t\t}\n\t}\n\tint ans=m;\/\/\u4e00\u5f00\u59cb\u6ca1\u4e70\uff0c\u53ef\u8ba4\u4e3a\u76c8\u5229m\u5143\u3002\n\tfor(int T=2;T<=t;T++)\/\/\u4ece\u7b2c\u4e8c\u5929\u5f00\u59cb\u4e70\u3002\n\t{\n\t\tmemset(f,-0x7f,8*10010);\/\/\u8bbe\u7f6ef\u5168\u4e3a-0x7f.\n\t\tf[0]=0;\/\/0\u5143\u6362\u67650\u5143\u7684\u76c8\u5229\u3002\n\t\tfor(int i=1;i<=n;i++)\n\t\t{\n\t\t\tfor(int j=0;j<=ans;j++)\/\/f[j]:j\u5143\u83b7\u5f97\u7684\u6700\u5927\u5229\u6da6\u3002so\uff0c\u679a\u4e3e\u4ece0\u5230ans\uff08\u62e5\u6709\u7684\u94b1\uff09\n\t\t\t{\n\t\t\t\tif(f[j]!=-0x7f7f7f7f)\/\/\u53ef\u8f6c\u79fb\n\t\t\t\t{\n\t\t\t\t\tf[j+a[T-1][i]]=max(f[j+a[T-1][i]],f[j]+a[T][i]-a[T-1][i]);\n                                        \/\/f[j+a[T-1][i]]\uff1a\u201c\u8d85\u80fd\u529b\u201d\u76f8\u5f53\u4e8e\u7b2cT\u5929\u53ef\u7528\u7b2cT-1\u5929\u7684money\u4e70\u4e1c\u897f\uff0c\u6240\u4ee5\u6b64\u610f\u4e3a\uff1a\u82b1\u8d39j+\u6628\u5929\u4ef7\u683c\u7684\u8fd9\u6837\u4e1c\u897f\u83b7\u5f97\u6700\u5927\u5229\u6da6\u3002f[j]+a[T][i]-a[T-1][i]\uff1aj\u5143+\u4eca\u5929\u4ef7-\u6628\u5929\u4ef7\uff08\u5229\u6da6\uff09\u83b7\u5f97\u7684\u6700\u5927\u5229\u6da6\u3002\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tlong long we=0;\n\t\tfor(int k=1;k<=ans;k++)\n\t\t{\n\t\t\twe=max(we,f[k]);\/\/\u6253\u4e00\u6b21\u64c2\u53f0\uff0c\u6bd4\u8f83\u6700\u503c\u3002\n\t\t}\n\t\tans+=we;\n\t}\n\tcout<<ans;\/\/\u7ed3\u675f\uff01\n\treturn 0;\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u9898\u76ee\u7b80\u8981 \u5c0f\u4f1f\u7a81\u7136\u83b7\u5f97\u4e00\u79cd\u8d85\u80fd\u529b\uff0c\u4ed6\u77e5\u9053\u672a\u6765T\u5929N\u79cd\u7eaa\u5ff5\u54c1\u6bcf\u5929\u7684\u4ef7\u683c\u3002\u67d0\u4e2a\u7eaa\u5ff5\u54c1\u7684\u4ef7\u683c\u662f\u6307\u8d2d\u4e70\u4e00\u4e2a\u8be5\u7eaa\u5ff5\u54c1\u6240\u9700\u7684\u91d1\u5e01\u6570\u91cf\uff0c\u4ee5\u53ca\u5356\u51fa\u4e00\u4e2a\u8be5\u7eaa\u5ff5\u54c1\u6362\u56de\u7684\u91d1\u5e01\u6570\u91cf\u3002 \u6bcf\u5929\uff0c\u5c0f\u4f1f\u53ef\u4ee5\u8fdb\u884c\u4ee5\u4e0b\u4e24\u79cd\u4ea4\u6613\u65e0\u9650\u6b21\uff1a 1\uff0e\u4efb\u9009\u4e00\u4e2a\u7eaa\u5ff5\u54c1\uff0c\u82e5\u624b\u4e0a\u6709\u8db3\u591f\u91d1\u5e01\uff0c\u4ee5\u5f53\u65e5\u4ef7\u683c\u8d2d\u4e70\u8be5\u7eaa\u5ff5\u54c1\uff1b 2\uff0e\u5356\u51fa\u6301\u6709\u7684\u4efb\u610f\u4e00\u4e2a\u7eaa\u5ff5\u54c1\uff0c\u4ee5\u5f53\u65e5\u4ef7\u683c\u6362\u56de\u91d1\u5e01\u3002 \u6bcf\u5929\u5356\u51fa\u7eaa\u5ff5\u54c1\u6362\u56de\u7684\u91d1\u5e01\u53ef\u4ee5\u7acb\u5373\u7528\u4e8e\u8d2d\u4e70\u7eaa\u5ff5\u54c1\uff0c\u5f53\u65e5\u8d2d\u4e70\u7684\u7eaa\u5ff5\u54c1\u4e5f\u53ef\u4ee5\u5f53\u65e5\u5356\u51fa\u6362\u56de\u91d1\u5e01\u3002\u5f53\u7136\uff0c\u4e00\u76f4\u6301\u6709\u7eaa\u5ff5\u54c1\u4e5f\u662f\u53ef\u4ee5\u7684\u3002 T \u5929\u4e4b\u540e\uff0c\u5c0f\u4f1f\u7684\u8d85\u80fd\u529b\u6d88\u5931\u3002\u56e0\u6b64\u4ed6\u4e00\u5b9a\u4f1a\u5728\u7b2c T \u5929\u5356\u51fa\u6240\u6709\u7eaa\u5ff5\u54c1\u6362\u56de\u91d1\u5e01\u3002 \u5c0f\u4f1f\u73b0\u5728\u6709 M\u00a0\u00a0 \u00a0\u679a\u91d1\u5e01\uff0c\u4ed6\u60f3\u8981\u5728\u8d85\u80fd\u529b\u6d88\u5931\u540e\u62e5\u6709\u5c3d\u53ef\u80fd\u591a\u7684\u91d1\u5e01\u3002 \u8f93\u5165\u683c\u5f0f\u3001\u6837\u4f8b \u8f93\u5165\u6587\u4ef6\u540d\u4e3a souvenir.in\u3002 \u7b2c\u4e00\u884c\u5305\u542b\u4e09\u4e2a\u6b63\u6574\u6570 T, N, M\uff0c\u76f8\u90bb\u4e24\u6570\u4e4b\u95f4\u4ee5\u4e00\u4e2a\u7a7a\u683c\u5206\u5f00\uff0c\u5206\u522b\u4ee3\u8868\u672a\u6765\u5929\u6570 T\uff0c\u7eaa\u5ff5\u54c1\u6570\u91cf N\uff0c\u5c0f\u4f1f\u73b0\u5728\u62e5\u6709\u7684\u91d1\u5e01\u6570\u91cfM\u3002 \u63a5\u4e0b\u6765T\u884c\uff0c\u6bcf\u884c\u5305\u542b N \u4e2a\u6b63\u6574\u6570\uff0c\u76f8\u90bb\u4e24\u6570\u4e4b\u95f4\u4ee5\u4e00\u4e2a\u7a7a\u683c\u5206\u9694\u3002\u7b2ci\u884c\u7684N \u4e2a\u6b63\u6574\u6570\u5206\u522b\u4e3a Pi,1, Pi,2, \u2026 \u2026 , Pi, 6 1 100 50 20 25 20 25 50 \u8f93\u51fa\u683c\u5f0f\u3001\u6837\u4f8b \u8f93\u51fa\u6587\u4ef6\u540d\u4e3a souvenir.out\u3002 \u8f93\u51fa\u4ec5\u4e00\u884c\uff0c\u5305\u542b\u4e00\u4e2a\u6b63\u6574\u6570\uff0c\u8868\u793a\u5c0f\u4f1f\u5728\u8d85\u80fd\u529b\u6d88\u5931\u540e\u6700\u591a\u80fd\u62e5\u6709\u7684\u91d1\u5e01\u6570\u91cf\u3002305 \u5176\u4ed6 \u3010\u8f93\u5165\u8f93\u51fa\u6837\u4f8b 1 \u8bf4\u660e\u3011 \u6700\u4f73\u7b56\u7565\u662f\uff1a \u7b2c\u4e8c\u5929\u82b1\u5149\u6240\u6709 100 \u679a\u91d1\u5e01\u4e70\u5165 5 \u4e2a\u7eaa\u5ff5\u54c1 … <\/p>\n
Continue reading “\u3010CSP-J 2019\u3011\u7eaa\u5ff5\u54c1”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-262","post","type-post","status-publish","format-standard","hentry","category-uncategorized","entry"],"_links":{"self":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts\/262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=262"}],"version-history":[{"count":0,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=\/wp\/v2\/posts\/262\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.n-bc.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}