{"id":136,"date":"2012-08-13T14:38:00","date_gmt":"2012-08-13T06:38:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/24"},"modified":"2012-08-13T14:38:00","modified_gmt":"2012-08-13T06:38:00","slug":"poj_1836_bi-directional_lis","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=136","title":{"rendered":"POJ 1836\uff08\u53cc\u5411LIS)"},"content":{"rendered":"<p>\u53cc\u5411LIS\u2026\u2026\u5c45\u7136\u6570\u7ec4\u53c8\u5f00\u5c0f\u4e86\u2026\u2026<\/p>\n<p>\n<\/p>\n<p><pre name=\"code\" class=\"delphi\">Program P1836;\nvar\n   n,i,j,ans:longint;\n   a:array[1..1000] of double;\n   ll,lr:array[1..1000] of longint;\nfunction min(a,b:longint):longint;\nbegin\n   if a&lt;b then exit(a) else exit(b);\nend;\nbegin\n   fillchar(ll,sizeof(ll),0);\n   fillchar(lr,sizeof(lr),0);\n\n   read(n);\n   for i:=1 to n do read(a[i]);\n   ll[1]:=1;\n   for i:=2 to n do\n   begin\n      for j:=1 to i-1 do\n         if a[j]&lt;a[i] then if (ll[j]&gt;=ll[i]) then\n            ll[i]:=ll[j]+1;\n      if ll[i]=0 then inc(ll[i]);\n   end;\n   lr[n]:=1;\n   for i:=n-1 downto 1 do\n   begin\n      for j:=i+1 to n do\n         if a[j]&lt;a[i] then if (lr[j]&gt;=lr[i]) then\n            lr[i]:=lr[j]+1;\n      if lr[i]=0 then inc(lr[i]);\n   end;\n   ans:=n;\n   for i:=1 to n do\n      ans:=min(ans,n-(ll[i]+lr[i]-1));\n   for i:=1 to n do\n      for j:=i+1 to n do\n         ans:=min(ans,n-(ll[i]+lr[j]));\n   writeln(ans);\nend.<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53cc\u5411LIS\u2026\u2026\u5c45\u7136\u6570\u7ec4\u53c8\u5f00\u5c0f\u4e86\u2026\u2026 Program P1836; var n,i,j,ans:longint; [&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-136","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-dp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>POJ 1836\uff08\u53cc\u5411LIS) - 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=136\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"POJ 1836\uff08\u53cc\u5411LIS) - nike0good\" \/>\n<meta property=\"og:description\" content=\"\u53cc\u5411LIS\u2026\u2026\u5c45\u7136\u6570\u7ec4\u53c8\u5f00\u5c0f\u4e86\u2026\u2026 Program P1836; 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