{"id":8,"date":"2012-08-06T10:56:00","date_gmt":"2012-08-06T02:56:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/8"},"modified":"2012-08-06T10:56:00","modified_gmt":"2012-08-06T02:56:00","slug":"poj_2479_2-contiguous_subsequence","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=8","title":{"rendered":"POJ 2479(2\u6bb5\u8fde\u7eed\u5b50\u5e8f\u5217\u548c\uff09"},"content":{"rendered":"<p>\u9898\u76ee\u8981\u6c42\u4e24\u6bb5\u5b50\u5e8f\u5217\u548c<\/p>\n<p>\u5206\u6bb5\u5c31\u884c O(n)<\/p>\n<p>\u8bdd\u8bf4\u8fd9\u56de\u6570\u7ec4\u53c8\u5f00\u5c0f\u4e86\uff0c\u5c45\u7136\u63d0\u793a<span style=\"color:rgb(255,0,0); font-family:'Times New Roman',Times,serif; font-size:14px\">Runtime Error<\/span><\/p>\n<p>\n<\/p>\n<p><pre name=\"code\" class=\"delphi\">Program P2479;\nvar\n   t,n,i,j,m,m2,p:longint;\n   a,b,c:array[0..50000] of longint;\nbegin\n   read(t);\n   a[0]:=-100001;\n   while (t&gt;0) do\n   begin\n      read(n);\n      j:=0;\n      m:=0;\n      for i:=1 to n do\n      begin\n         read(a[i]);\n         if a[i]&lt;0 then inc(j);\n         if a[i]&gt;a[m] then m:=i;\n      end;\n\n\n      if j&gt;n-2 then\n      begin\n         p:=a[m];\n         m2:=0;\n         for i:=1 to n do if (i&lt;&gt;m) and (a[m2]&lt;a[i]) then m2:=i;\n         inc(p,a[m2]);\n         writeln(p);\n      end\n      else\n      begin\n         p:=0;\n         m:=-100001;\n         for i:=1 to n do\n         begin\n            inc(p,a[i]);\n            if (p&lt;0) then p:=0;\n            if m&lt;p then m:=p;\n            b[i]:=m;\n         end;\n         p:=0;\n         m:=-100001;\n         for i:=n downto 1 do\n         begin\n            inc(p,a[i]);\n            if (p&lt;0) then p:=0;\n            if m&lt;p then m:=p;\n            c[i]:=m;\n         end;\n         m:=0;\n         for i:=1 to n-1 do\n            if m&lt;b[i]+c[i+1] then m:=b[i]+c[i+1];\n         writeln(m);\n      end;\n      dec(t);\n   end;\nend.\n<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u8981\u6c42\u4e24\u6bb5\u5b50\u5e8f\u5217\u548c \u5206\u6bb5\u5c31\u884c O(n) \u8bdd\u8bf4\u8fd9\u56de\u6570\u7ec4\u53c8\u5f00\u5c0f\u4e86\uff0c\u5c45\u7136\u63d0\u793aRuntime Error Progr [&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-8","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 - 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