{"id":184,"date":"2012-09-24T21:34:00","date_gmt":"2012-09-24T13:34:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/89"},"modified":"2012-09-24T21:34:00","modified_gmt":"2012-09-24T13:34:00","slug":"poj_3842_prime_judgment","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=184","title":{"rendered":"POJ 3842(\u8d28\u6570\u5224\u65ad\uff09"},"content":{"rendered":"<p><span style=\"font-family:'Arial Black'\">7\uff01=5040<\/span><\/p>\n<p><span style=\"font-family:'Arial Black'\">\u6240\u4ee5\u8fd9\u9898\u76f4\u63a5\u6c42\u8d28\u6570\u6bd4\u6253\u4e00\u5343\u4e07\u7684\u8868\u90fd\u5feb<\/span><\/p>\n<p><span style=\"font-family:'Arial Black'\">\u8fd9\u63d0\u9ad8\u8bc9\u6211\u4eec\u9636\u4e58\u5176\u5b9e\u4e0d\u7b97\u5927&amp;\u770b\uff08\u7b97\uff09\u6e05\u6570\u636e\u89c4\u6a21<\/span><\/p>\n<p><span style=\"font-family:'Arial Black'\"><br \/>\n<\/span><\/p>\n<p><span style=\"font-family:'Arial Black'\"><\/span><\/p>\n<pre name=\"code\" class=\"delphi\">Program cc;\nvar\n   n,t,len,i,j,ans:longint;\n   s:string;\n   b:array[0..9] of longint;\nprocedure dfs(p,l:longint);\nvar\n   i:longint;\nbegin\n   if l=len then\n   begin\n      if p=1 then exit;\n      for i:=2 to trunc(sqrt(p)) do if (p mod i=0) then exit;\n      inc(ans);\n      exit;\n   end;\n   for i:=0 to 9 do\n   if b[i]&gt;0 then\n   begin\n      if (i=0) and (l=0) then continue;\n      dec(b[i]);\n      dfs(p*10+i,l+1);\n      inc(b[i]);\n   end;\n\nend;\nbegin\n   readln(t);\n   while (t&gt;0) do\n   begin\n      readln(s);\n      len:=length(s);\n      fillchar(b,sizeof(b),0);\n      for i:=1 to len do inc(b[ord(s[i])-48]);\n      ans:=0;\n      for i:=1 to len do\n      begin\n         dfs(0,0);\n         dec(len);\n      end;\n      writeln(ans);\n\n\n      dec(t);\n   end;\nend.<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>7\uff01=5040 \u6240\u4ee5\u8fd9\u9898\u76f4\u63a5\u6c42\u8d28\u6570\u6bd4\u6253\u4e00\u5343\u4e07\u7684\u8868\u90fd\u5feb \u8fd9\u63d0\u9ad8\u8bc9\u6211\u4eec\u9636\u4e58\u5176\u5b9e\u4e0d\u7b97\u5927&amp;\u770b\uff08\u7b97\uff09\u6e05\u6570\u636e\u89c4\u6a21  [&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":[124],"class_list":["post-184","post","type-post","status-publish","format-standard","hentry","category-defaultcategory","tag-to_cheat_points_ampamp_play_table"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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