{"id":189,"date":"2012-10-03T12:59:00","date_gmt":"2012-10-03T04:59:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/94"},"modified":"2012-10-03T12:59:00","modified_gmt":"2012-10-03T04:59:00","slug":"rqnoj_38_count_string","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=189","title":{"rendered":"RQNOJ 38(\u4e32\u7684\u8ba1\u6570\uff09"},"content":{"rendered":"<p><span style=\"color:rgb(101,101,101); font-family:verdana,arial,sans-serif; line-height:19px; text-align:justify\">\u4e00\u4e2a\u957f\u5ea6\u4e3a3N\u5b57\u7b26\u4e32\u6ee1\u8db3\uff1a\u7531N\u4e2aA\uff0cN\u4e2aB\uff0cN\u4e2aC\u7ec4\u6210\uff0c\u5bf9\u4e8e\u5b83\u7684\u4efb\u610f\u524d\u7f00\uff0c\u6ee1\u8db3A\u7684\u4e2a\u6570&gt;=B\u7684\u4e2a\u6570&gt;=C\u7684\u4e2a\u6570\u3002\u6c42\u6ee1\u8db3\u8fd9\u6837\u6761\u4ef6\u7684\u5b57\u7b26\u4e32\u7684\u4e2a\u6570\u3002<\/span><\/p>\n<p><span style=\"color:rgb(101,101,101); font-family:verdana,arial,sans-serif; line-height:19px; text-align:justify\"><br \/>\n<\/span><\/p>\n<p>\u770b\u5230\u8fd9\u9898\u7b2c\u4e00\u53cd\u5e94\uff1a\u6253\u8868\uff01\u7b2c\u4e8c\u53cd\u5e94<strong>\u4e09\u4e2a\u5b57<\/strong>\uff1a\u9ad8\u7cbe\u5ea6<\/p>\n<p>\u8fd9\u9898\u52a8\u6001\u8f6c\u79fb\u65b9\u7a0b\u4e3a<span style=\"font-size:24px\">f[i,j,k]=f[i-1,j,k]&#43;f[i,j-1,k]&#43;f[i,j,k-1]<\/span> &nbsp;i,j,k\u8868\u793aA,B,C\u7684\u4e2a\u6570\uff0c\u8003\u5bdf\u662f\u5426\u53ef\u884c<\/p>\n<h2>\u9ad8\u7cbe\u554a\u9ad8\u7cbe\u2026\u2026<\/h2>\n<div>\n<\/div>\n<div>\n<pre name=\"code\" class=\"delphi\">Program str;\ntype\n   arr=record\n           len:longint;\n           d:array[1..15] of longint;\n       end;\nvar\n   n,i,j,k:longint;\n   f:array[0..60,0..60,0..60] of arr;\nfunction max(a,b:longint):longint;\nbegin\n   if a&gt;b then exit(a) else exit(b);\nend;\nprocedure sum(a,b:arr;var c:arr);\nvar\n   i,j:longint;\nconst\n   F=100000000;\n\nbegin\n   fillchar(c,sizeof(c),0);\n   c.len:=max(a.len,b.len);\n   for i:=1 to c.len do\n   begin\n      inc(c.d[i],a.d[i]+b.d[i]);\n      inc(c.d[i+1],c.d[i] div F);\n      c.d[i]:=c.d[i] mod F;\n   end;\n   if c.d[c.len+1]&gt;0 then inc(c.len);\n\n   while (c.len&gt;0) and (c.d[c.len]=0) do dec(c.len);\n\n\nend;\nProcedure print(a:arr);\nvar\n   i,p:longint;\nbegin\n   write(a.d[a.len]);\n   for i:=a.len-1 downto 1 do\n   begin\n      p:=a.d[i];\n      if p&lt;10000000 then write('0');\n      if p&lt;1000000 then write('0');\n      if p&lt;100000 then write('0');\n      if p&lt;10000 then write('0');\n      if p&lt;1000 then write('0');\n      if p&lt;100 then write('0');\n      if p&lt;10 then write('0');\n      write(p);\n   end;\n   writeln;\nend;\nbegin\n   read(n);\n   fillchar(f,sizeof(f),0);\n   f[0,0,0].len:=1;\n   f[0,0,0].d[1]:=1;\n   for i:=1 to n do\n      for j:=0 to i do\n         for k:=0 to j do\n         begin\n            if k&gt;0 then\n            begin\n               sum(f[i,j,k],f[i,j,k-1],f[i,j,k]);\n            end;\n            if i&gt;j then sum(f[i,j,k],f[i-1,j,k],f[i,j,k]);\n            if j&gt;k then sum(f[i,j,k],f[i,j-1,k],f[i,j,k]);\n         end;\n\n   print(f[n,n,n]);\nend.\n<\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2a\u957f\u5ea6\u4e3a3N\u5b57\u7b26\u4e32\u6ee1\u8db3\uff1a\u7531N\u4e2aA\uff0cN\u4e2aB\uff0cN\u4e2aC\u7ec4\u6210\uff0c\u5bf9\u4e8e\u5b83\u7684\u4efb\u610f\u524d\u7f00\uff0c\u6ee1\u8db3A\u7684\u4e2a\u6570&gt;=B\u7684\u4e2a\u6570&#038;gt [&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":[30,127],"class_list":["post-189","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-dp","tag-high-precision"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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