{"id":157,"date":"2012-08-24T15:22:00","date_gmt":"2012-08-24T07:22:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/55"},"modified":"2012-08-24T15:22:00","modified_gmt":"2012-08-24T07:22:00","slug":"poj_2777_tu_point_q_line","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=157","title":{"rendered":"POJ 2777(\u6d82\u70b9\u95ee\u7ebf\uff09"},"content":{"rendered":"<p>\u7ebf\u6bb5\u6811\u2026\u2026<\/p>\n<p>\n<\/p>\n<p><pre name=\"code\" class=\"delphi\">Program p2777;\nconst\n   maxl=100000;\n   maxt=30;\n   maxo=100000;\nvar\n   l,t,o,i,j,k:longint;\n   col:array[1..maxl*10] of longint;\n   c:char;\n   x,y,color:longint;\n   visit:array[1..maxt] of boolean;\nprocedure build(l,r,root:longint);\nvar\n   mid:longint;\nbegin\n   if l=r then\n   begin\n      col[root]:=1;\n      exit;\n   end;\n   mid:=(l+r) shr 1;\n   build(l,mid,root shl  1);\n   build(mid+1,r,root shl 1+1);\n   col[root]:=1;\nend;\nprocedure swap(var a,b:longint);\nvar\n   p:longint;\nbegin\n   p:=a;a:=b;b:=p;\nend;\nprocedure detate(l,r,sonl,sonr,root,color:longint);\nvar\n   i,j,mid:longint;\nbegin\n   mid:=(l+r) shr 1;\n   if l=r then\n   begin\n      col[root]:=color;\n      exit;\n   end;\n\n   if (sonl&lt;=l) and (r&lt;=sonr) then\n   begin\n      col[root]:=color;\n      exit;\n   end;\n\n   if col[root]&gt;0 then\n   begin\n      col[root*2]:=col[root];\n      col[root*2+1]:=col[root];\n      col[root]:=-1;\n\n\n   end;\n\n   if not((mid&lt;sonl) or (sonr&lt;l)) then detate(l,mid,sonl,sonr,root shl 1,color);\n   if not((r&lt;sonl) or (sonr&lt;mid+1)) then detate(mid+1,r,sonl,sonr,root shl 1+1,color);\n\n\n\nend;\nfunction quere(l,r,sonl,sonr,root:longint):longint;\nvar\n   mid,i,j:longint;\nbegin\n   quere:=0;\n   mid:=(l+r) shr 1;\n\n   if col[root]&gt;0 then\n   begin\n      if not(visit[col[root]]) then\n      begin\n         visit[col[root]]:=true;\n         exit(1);\n      end;\n      exit(0);\n   end;\n\n\n   if not((mid&lt;sonl) or (sonr&lt;l)) then inc(quere,quere(l,mid,sonl,sonr,root shl 1));\n   if not((r&lt;sonl) or (sonr&lt;mid+1)) then inc(quere,quere(mid+1,r,sonl,sonr,root shl 1+1));\n\n\nend;\n\nbegin\n   readln(l,t,o);\n   build(1,l,1);\n   for i:=1 to o do\n   begin\n      read(c);\n      if c='C' then\n      begin\n         readln(x,y,color);\n         if x&gt;y then swap(x,y);\n         detate(1,l,x,y,1,color);\n      end\n      else\n      begin\n         readln(x,y);\n         if x&gt;y then swap(x,y);\n         fillchar(visit,sizeof(visit),false);\n         writeln(quere(1,l,x,y,1));\n      end;\n   end;\nend.<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7ebf\u6bb5\u6811\u2026\u2026 Program p2777; const maxl=100000; maxt=30; maxo=1 [&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":[109],"class_list":["post-157","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-segment_tree"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>POJ 2777(\u6d82\u70b9\u95ee\u7ebf\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=157\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"POJ 2777(\u6d82\u70b9\u95ee\u7ebf\uff09 - nike0good\" \/>\n<meta property=\"og:description\" content=\"\u7ebf\u6bb5\u6811\u2026\u2026 Program p2777; 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