{"id":257,"date":"2012-11-13T09:56:00","date_gmt":"2012-11-13T01:56:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/162"},"modified":"2012-11-13T09:56:00","modified_gmt":"2012-11-13T01:56:00","slug":"rqnoj_599_equivalent_alternative_method","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=257","title":{"rendered":"RQNOJ 599(\u7b49\u4ef7\u66ff\u4ee3\u6cd5\uff09"},"content":{"rendered":"<h1 style=\"font-family:arial,sans-serif; font-size:15px; letter-spacing:0.1em; background-color:transparent; color:rgb(23,152,233); border-top-color:rgb(225,225,225); border-right-color:rgb(225,225,225); border-left-color:rgb(225,225,225); padding:16px 0px 5px; margin:0px 0px 12px; border-bottom-width:1px; border-bottom-style:solid; font-weight:normal; text-align:justify\">\n\u67e5\u770b\u9898\u76ee Show Problem<\/h1>\n<p style=\"margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:16px; line-height:1.6em; font-size:16px; font-family:verdana,arial,sans-serif; text-align:justify; color:rgb(0,51,255)\">\n<span style=\"color:rgb(101,101,101); line-height:1.6em\">\u9898\u76ee:[NOIP2010]\u4e4c\u9f9f\u68cb<\/span><\/p>\n<p style=\"margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:16px; line-height:1.6em; color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\">\n\u95ee\u9898\u7f16\u53f7:599<a href=\"http:\/\/www.rqnoj.cn\/Submit.asp?PID=599\" style=\"outline:none; color:rgb(101,101,101); font-family:\u5fae\u8f6f\u96c5\u9ed1,\u9ed1\u4f53,\u4eff\u5b8b,\u5b8b\u4f53; font-size:13px; padding:0px 0px 2px; text-decoration:none; border-bottom-width:1px; border-bottom-style:dashed; border-color:rgb(87,105,111)\"><\/a><\/p>\n<p><ins style=\"color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify; display:inline-table; border:none; height:60px; margin:0px; padding:0px; position:relative; visibility:visible; width:468px\"><\/ins><br \/>\n<span style=\"color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\"><\/span><\/p>\n<h1 style=\"font-family:arial,sans-serif; font-size:15px; letter-spacing:0.1em; background-color:transparent; color:rgb(23,152,233); border-top-color:rgb(225,225,225); border-right-color:rgb(225,225,225); border-left-color:rgb(225,225,225); padding:16px 0px 5px; margin:0px 0px 12px; border-bottom-width:1px; border-bottom-style:solid; font-weight:normal; text-align:justify\">\n\u9898\u76ee\u63cf\u8ff0<\/h1>\n<p style=\"margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:16px; line-height:1.6em; color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\">\n\u5c0f\u660e\u8fc7\u751f\u65e5\u7684\u65f6\u5019\uff0c\u7238\u7238\u9001\u7ed9\u4ed6\u4e00\u526f\u4e4c\u9f9f\u68cb\u5f53\u4f5c&#31036;\u7269\u3002<br \/>\n\u4e4c\u9f9f\u68cb\u7684\u68cb\u76d8\u662f\u4e00\u884cN \u4e2a&#26684;\u5b50\uff0c\u6bcf\u4e2a&#26684;\u5b50\u4e0a\u4e00\u4e2a\u5206\u6570\uff08\u975e\u8d1f\u6574\u6570\uff09\u3002\u68cb\u76d8\u7b2c1 &#26684;\u662f\u552f\u4e00\u7684\u8d77\u70b9\uff0c\u7b2cN &#26684;\u662f\u7ec8\u70b9\uff0c\u6e38\u620f\u8981\u6c42\u73a9\u5bb6\u63a7\u5236\u4e00\u4e2a\u4e4c\u9f9f\u68cb\u5b50\u4ece\u8d77\u70b9\u51fa\u53d1\u8d70\u5230\u7ec8\u70b9\u3002<br \/>\n<img decoding=\"async\" src=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/www_rqnoj_P599-201244.jpg\" alt=\"\" style=\"border:0px\" \/><br \/>\n\u4e4c\u9f9f\u68cb\u4e2dM \u5f20\u722c\u884c\u5361\u7247\uff0c\u5206\u62104 \u79cd\u4e0d\u540c\u7684\u7c7b\u578b\uff08M \u5f20\u5361\u7247\u4e2d\u4e0d\u4e00\u5b9a\u5305\u542b\u6240\u67094 \u79cd\u7c7b\u578b\u7684\u5361\u7247\uff0c\u89c1\u6837\u4f8b\uff09\uff0c\u6bcf\u79cd\u7c7b\u578b\u7684\u5361\u7247\u4e0a\u5206\u522b\u6807\u67091\u30012\u30013\u30014 \u56db\u4e2a\u6570\u5b57\u4e4b\u4e00\uff0c\u8868\u793a\u4f7f\u7528\u8fd9\u79cd\u5361\u7247\u540e\uff0c\u4e4c\u9f9f\u68cb\u5b50\u5c06\u5411\u524d\u722c\u884c\u76f8\u5e94\u7684&#26684;\u5b50\u6570\u3002\u6e38\u620f\u4e2d\uff0c\u73a9\u5bb6\u6bcf\u6b21\u9700\u8981\u4ece\u6240\u6709\u7684\u722c\u884c\u5361\u7247\u4e2d\u9009\u62e9\u4e00\u5f20\u4e4b\u524d\u6ca1\u6709\u4f7f\u7528\u8fc7\u7684\u722c\u884c\u5361\u7247\uff0c\u63a7\u5236\u4e4c\u9f9f\u68cb\u5b50\u524d\u8fdb\u76f8\u5e94\u7684&#26684;\u5b50\u6570\uff0c\u6bcf\u5f20\u5361\u7247\u53ea\u80fd\u4f7f\u7528\u4e00\u6b21\u3002\u6e38\u620f\u4e2d\uff0c\u4e4c\u9f9f\u68cb\u5b50\u81ea\u52a8\u83b7\u5f97\u8d77\u70b9&#26684;\u5b50\u7684\u5206\u6570\uff0c\u5e76\u4e14\u5728\u540e\u7eed\u7684\u722c\u884c\u4e2d\u6bcf\u5230\u8fbe\u4e00\u4e2a&#26684;\u5b50\uff0c\u5c31\u5f97\u5230<br \/>\n\u8be5&#26684;\u5b50\u76f8\u5e94\u7684\u5206\u6570\u3002\u73a9\u5bb6\u6700\u7ec8\u6e38\u620f\u5f97\u5206\u5c31\u662f\u4e4c\u9f9f\u68cb\u5b50\u4ece\u8d77\u70b9\u5230\u7ec8\u70b9\u8fc7\u7a0b\u4e2d\u5230\u8fc7\u7684\u6240\u6709&#26684;\u5b50\u7684\u5206\u6570\u603b\u548c\u3002<br \/>\n\u5f88\u660e\u663e\uff0c\u7528\u4e0d\u540c\u7684\u722c\u884c\u5361\u7247\u4f7f\u7528\u987a\u5e8f\u4f1a\u4f7f\u5f97\u6700\u7ec8\u6e38\u620f\u7684\u5f97\u5206\u4e0d\u540c\uff0c\u5c0f\u660e\u60f3\u8981\u627e\u5230\u4e00\u79cd\u5361\u7247\u4f7f\u7528\u987a\u5e8f\u4f7f\u5f97\u6700\u7ec8\u6e38\u620f\u5f97\u5206\u6700\u591a\u3002<br \/>\n\u73b0\u5728\uff0c\u544a\u8bc9\u4f60\u68cb\u76d8\u4e0a\u6bcf\u4e2a&#26684;\u5b50\u7684\u5206\u6570\u548c\u6240\u6709\u7684\u722c\u884c\u5361\u7247\uff0c\u4f60\u80fd\u544a\u8bc9\u5c0f\u660e\uff0c\u4ed6\u6700\u591a\u80fd\u5f97\u5230\u591a\u5c11\u5206\u5417\uff1f<\/p>\n<p>\u3010\u6570\u636e\u8303\u56f4\u3011<br \/>\n\u5bf9\u4e8e30%\u7684\u6570\u636e\u67091 \u2264 N\u2264 30\uff0c1 \u2264M\u2264 12\u3002<br \/>\n\u5bf9\u4e8e50%\u7684\u6570\u636e\u67091 \u2264 N\u2264 120\uff0c1 \u2264M\u2264 50\uff0c\u4e144 \u79cd\u722c\u884c\u5361\u7247\uff0c\u6bcf\u79cd\u5361\u7247\u7684\u5f20\u6570\u4e0d\u4f1a\u8d85\u8fc720\u3002<br \/>\n\u5bf9\u4e8e100%\u7684\u6570\u636e\u67091 \u2264 N\u2264 350\uff0c1 \u2264M\u2264 120\uff0c\u4e144 \u79cd\u722c\u884c\u5361\u7247\uff0c\u6bcf\u79cd\u5361\u7247\u7684\u5f20\u6570\u4e0d\u4f1a\u8d85\u8fc740\uff1b0 \u2264 ai \u2264 100\uff0c1 \u2264 i \u2264 N\uff1b1 \u2264 bi \u2264 4\uff0c1 \u2264 i \u2264M\u3002\u8f93\u5165\u6570\u636e\u4fdd\u8bc1N\u2212\uff1b\uff1b1=\u03a3b_i (1&lt;=i&lt;=M)\n<\/p>\n<h1 style=\"font-family:arial,sans-serif; font-size:15px; letter-spacing:0.1em; background-color:transparent; color:rgb(23,152,233); border-top-color:rgb(225,225,225); border-right-color:rgb(225,225,225); border-left-color:rgb(225,225,225); padding:16px 0px 5px; margin:0px 0px 12px; border-bottom-width:1px; border-bottom-style:solid; font-weight:normal; text-align:justify\">\n\u8f93\u5165&#26684;\u5f0f<\/h1>\n<p style=\"margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:16px; line-height:1.6em; color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\">\n\u8f93\u5165\u6587\u4ef6\u7684\u6bcf\u884c\u4e2d\u4e24\u4e2a\u6570\u4e4b\u95f4\u7528\u4e00\u4e2a\u7a7a&#26684;\u9694\u5f00\u3002<br \/>\n\u7b2c1 \u884c2 \u4e2a\u6b63\u6574\u6570N \u548cM\uff0c\u5206\u522b\u8868\u793a\u68cb\u76d8&#26684;\u5b50\u6570\u548c\u722c\u884c\u5361\u7247\u6570\u3002<br \/>\n\u7b2c2 \u884cN \u4e2a\u975e\u8d1f\u6574\u6570\uff0ca1, a2, \u2026\u2026, aN\uff0c\u5176\u4e2dai \u8868\u793a\u68cb\u76d8\u7b2ci \u4e2a&#26684;\u5b50\u4e0a\u7684\u5206\u6570\u3002<br \/>\n\u7b2c3 \u884cM \u4e2a\u6574\u6570\uff0cb1,b2, \u2026\u2026, bM\uff0c\u8868\u793aM \u5f20\u722c\u884c\u5361\u7247\u4e0a\u7684\u6570\u5b57\u3002<br \/>\n\u8f93\u5165\u6570\u636e\u4fdd\u8bc1\u5230\u8fbe\u7ec8\u70b9\u65f6\u521a\u597d\u7528\u5149M \u5f20\u722c\u884c\u5361\u7247\uff0c\u5373N\u2212\uff1b\uff1b1=\u03a3b_i (1&lt;=i&lt;=M)\n<\/p>\n<h1 style=\"font-family:arial,sans-serif; font-size:15px; letter-spacing:0.1em; background-color:transparent; color:rgb(23,152,233); border-top-color:rgb(225,225,225); border-right-color:rgb(225,225,225); border-left-color:rgb(225,225,225); padding:16px 0px 5px; margin:0px 0px 12px; border-bottom-width:1px; border-bottom-style:solid; font-weight:normal; text-align:justify\">\n\u8f93\u51fa&#26684;\u5f0f<\/h1>\n<p style=\"margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:16px; line-height:1.6em; color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\">\n\u8f93\u51fa\u53ea\u67091 \u884c\uff0c1 \u4e2a\u6574\u6570\uff0c\u8868\u793a\u5c0f\u660e\u6700\u591a\u80fd\u5f97\u5230\u7684\u5206\u6570\u3002<\/p>\n<h1 style=\"font-family:arial,sans-serif; font-size:15px; letter-spacing:0.1em; background-color:transparent; color:rgb(23,152,233); border-top-color:rgb(225,225,225); border-right-color:rgb(225,225,225); border-left-color:rgb(225,225,225); padding:16px 0px 5px; margin:0px 0px 12px; border-bottom-width:1px; border-bottom-style:solid; font-weight:normal; text-align:justify\">\n\u6837\u4f8b\u8f93\u5165<\/h1>\n<p>\u3010\u8f93\u5165\u8f93\u51fa\u6837\u4f8b1\u3011<br \/>\n9 5<br \/>\n6 10 14 2 8 8 18 5 17<br \/>\n1 3 1 2 1<\/p>\n<p>\n\u3010\u8f93\u5165\u8f93\u51fa\u6837\u4f8b2\u3011<br \/>\n13 8<br \/>\n4 96 10 64 55 13 94 53 5 24 89 8 30<br \/>\n1 1 1 1 1 2 4 1<span style=\"color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\"><\/span><\/p>\n<h1 style=\"font-family:arial,sans-serif; font-size:15px; letter-spacing:0.1em; background-color:transparent; color:rgb(23,152,233); border-top-color:rgb(225,225,225); border-right-color:rgb(225,225,225); border-left-color:rgb(225,225,225); padding:16px 0px 5px; margin:0px 0px 12px; border-bottom-width:1px; border-bottom-style:solid; font-weight:normal; text-align:justify\">\n\u6837\u4f8b\u8f93\u51fa<\/h1>\n<p>\u3010\u8f93\u5165\u8f93\u51fa\u6837\u4f8b1\u3011<br \/>\n73<\/p>\n<p>\n\u3010\u8f93\u5165\u8f93\u51fa\u6837\u4f8b2\u3011<br \/>\n455<\/p>\n<p>\u6ce8\u610f\u5230\u672c\u9898\u6bcf\u4e00\u4e2am&lt;=40<\/p>\n<p>\u4e14n,m1,m2,m3,m4\u53ea\u8981\u80fd\u786e\u5b9a4\u4e2a\uff0c\u53e61\u4e2a\u5c31\u80fd\u63a8\u51fa\u6765<\/p>\n<p>\u6545\u53ef\u6784\u9020\u72b6\u6001f[m1,m2,m3,m4]&nbsp;<\/p>\n<p>\n<\/p>\n<p>O(40^4) \u7a33\u8fc7<\/p>\n<p>\n<\/p>\n<p>\n<\/p>\n<\/p>\n<pre name=\"code\" class=\"delphi\">Program chess;\nconst\n   maxn=350;\n   maxm=120;\n   maxmi=40;\nvar\n   n,m,i,j,k,l,p,cost:longint;\n   a:array[1..maxn] of longint;\n   f:array[0..maxmi,0..maxmi,0..maxmi,0..maxmi] of longint;\n   totcard:array[1..4] of longint;\nfunction max(a,b:longint):longint;\nbegin\n   if a&lt;b then exit(b) else exit(a);\nend;\nbegin\n   readln(n,m);\n   for i:=1 to n do read(a[i]);\n   fillchar(totcard,sizeof(totcard),0);\n   for i:=1 to m do\n   begin\n      read(p);\n      inc(totcard[p]);\n   end;\n\n   fillchar(f,sizeof(f),0);\n   f[0,0,0,0]:=a[1];\n\n   for i:=0 to totcard[1] do\n      for j:=0 to totcard[2] do\n         for k:=0 to totcard[3] do\n            for l:=0 to totcard[4] do\n               if (i+j+k+l&gt;0) then\n               begin\n                  cost:=a[1+i*1+j*2+k*3+l*4];\n                  if i&gt;0 then f[i,j,k,l]:=max(f[i,j,k,l],f[i-1,j,k,l]);\n                  if j&gt;0 then f[i,j,k,l]:=max(f[i,j,k,l],f[i,j-1,k,l]);\n                  if k&gt;0 then f[i,j,k,l]:=max(f[i,j,k,l],f[i,j,k-1,l]);\n                  if l&gt;0 then f[i,j,k,l]:=max(f[i,j,k,l],f[i,j,k,l-1]);\n                  inc(f[i,j,k,l],cost);\n               end;\n   writeln(f[totcard[1],totcard[2],totcard[3],totcard[4]]);\n\n\n\n\nend.\n<\/pre>\n<\/p>\n<p>\n<\/p>\n<p style=\"margin-top:0px; margin-bottom:0px; padding-top:0px; padding-bottom:16px; line-height:1.6em; color:rgb(101,101,101); font-family:verdana,arial,sans-serif; text-align:justify\">\n","protected":false},"excerpt":{"rendered":"<p>\u67e5\u770b\u9898\u76ee Show Problem \u9898\u76ee:[NOIP2010]\u4e4c\u9f9f\u68cb \u95ee\u9898\u7f16\u53f7:599 \u9898\u76ee\u63cf\u8ff0 \u5c0f\u660e\u8fc7\u751f\u65e5\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[3],"tags":[30],"class_list":["post-257","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-dp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RQNOJ 599(\u7b49\u4ef7\u66ff\u4ee3\u6cd5\uff09 - nike0good<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nike0good.com\/?p=257\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RQNOJ 599(\u7b49\u4ef7\u66ff\u4ee3\u6cd5\uff09 - nike0good\" \/>\n<meta property=\"og:description\" content=\"\u67e5\u770b\u9898\u76ee Show Problem \u9898\u76ee:[NOIP2010]\u4e4c\u9f9f\u68cb \u95ee\u9898\u7f16\u53f7:599 \u9898\u76ee\u63cf\u8ff0 \u5c0f\u660e\u8fc7\u751f\u65e5\u7684 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nike0good.com\/?p=257\" \/>\n<meta property=\"og:site_name\" content=\"nike0good\" \/>\n<meta property=\"article:published_time\" content=\"2012-11-13T01:56:00+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/nike0good.jp1.rpvhost.net\/wp-content\/uploads\/csdn\/other_site\/www_rqnoj_P599-201244.jpg\" \/>\n<meta name=\"author\" content=\"nike0good\" \/>\n<meta name=\"twitter:card\" 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