{"id":322,"date":"2013-02-01T20:32:00","date_gmt":"2013-02-01T12:32:00","guid":{"rendered":"http:\/\/nike0good.jp1.rpvhost.net\/227"},"modified":"2013-02-01T20:32:00","modified_gmt":"2013-02-01T12:32:00","slug":"fzu_noip_1033_operational_problems_-_to_fight_the_largest_multiple_of_235","status":"publish","type":"post","link":"https:\/\/nike0good.com\/?p=322","title":{"rendered":"fzu_noip 1033 (\u4f5c\u4e1a\u95ee\u9898-\u62fc\u6700\u5927\u76842,3,5\u500d\u6570)"},"content":{"rendered":"<p align=\"center\"><span style=\"color:blue\">\u4f5c\u4e1a\u95ee\u9898<\/span><\/p>\n<p align=\"center\"><span style=\"color:#008100\">\u65f6\u9650\uff1a<\/span><span style=\"color:#008100\">1s<\/span><span style=\"color:#008100\">\u5185\u5b58\uff1a<\/span><span style=\"color:#008100\">32M<\/span><\/p>\n<p align=\"left\"><strong><span style=\"color:blue\">\u2605\u95ee\u9898\u63cf\u8ff0<\/span><span style=\"color:blue\">:<\/span><\/strong><\/p>\n<p>\u5c0fT\u5f88\u559c\u6b22\u6570\u5b66\uff0c\u6bcf\u5929\u8001\u5e08\u521a\u5e03\u7f6e\u5b8c\u4f5c\u4e1a\uff0c\u4ed6\u5c31\u5f00\u59cb\u601d\u8003\uff0c\u4eca\u5929\u4ed6\u9047\u5230\u4e86\u56f0\u96be\u3002<\/p>\n<p>\u73b0\u5728\u6709\u5f88\u591a\u7684\u6570\u5b57\uff0c\u4f60\u7684\u4efb\u52a1\u662f\u627e\u51fa\u7531\u8fd9\u4e9b\u6570\u5b57\u7ec4\u6210\u7684\u6700\u5927\u7684\u6570\uff0c\u5e76\u4e14\u8fd9\u4e2a\u6570\u5fc5\u987b\u80fd\u88ab2\uff0c3\uff0c5\u6574\u9664\u3002\u4f60\u53ef\u4ee5\u53ea\u7528\u5176\u4e2d\u4e00\u90e8\u5206\u7684\u6570\uff0c\u4f46\u4e0d\u5141\u8bb8\u51fa\u73b0\u524d\u5bfc0\u3002<\/p>\n<p align=\"left\"><strong><span style=\"color:blue\">\u2605\u6570\u636e\u8f93\u5165\uff1a<\/span><\/strong><\/p>\n<p>\u8f93\u5165\u6570\u636e\u7684\u7b2c\u4e00\u884c\u4e3a\u4e00\u4e2a\u6574\u6570N<em>\u3002(1&lt;=N&lt;=1000)<\/em>\u8868\u793a\u7ed9\u51faN\u4e2a\u6570\u5b57\uff0c\u6bcf\u4e2a\u6570\u5b57\u8303\u56f4\u662f0\u20149\u3002\u63a5\u4e0b\u6765\u4e00\u884c\u6709N\u4e2a\u6570\uff0c\u6570\u5b57\u7531\u7a7a&#26684;\u9694\u5f00\u3002<\/p>\n<p align=\"left\"><strong><span style=\"color:blue\">\u2605\u7ed3\u679c\u8f93\u51fa<\/span><span style=\"color:blue\">:<\/span><\/strong><\/p>\n<p>\u8f93\u51fa\u4f60\u627e\u51fa\u7684\u6700\u5927\u7684\u6570\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u8fd9\u6837\u7684\u6570\u5c31\u8f93\u51fa-1\u3002<\/p>\n<div align=\"center\">\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\">\n<p align=\"left\"><strong><span style=\"color:blue\">\u8f93\u5165\u793a\u4f8b<\/span><\/strong><\/p>\n<\/td>\n<td valign=\"top\">\n<p><strong><span style=\"color:blue\">\u8f93\u51fa\u793a\u4f8b<\/span><\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p align=\"left\">1<\/p>\n<p align=\"left\">0<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"left\">0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p align=\"left\">11<\/p>\n<p align=\"left\">3 4 5 4 5 3 5 3 4 4 0<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"left\">5554443330<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p align=\"left\">8<\/p>\n<p align=\"left\">3 2 5 1 5 2 2 3<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"left\">-1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p>\n<\/p>\n<p><span style=\"font-size:14px\">\u88f8\u88f8\u7684\u8d2a\u5fc3\u3002<\/span><\/p>\n<p><span style=\"font-size:14px\">\u6ee1\u8db3\u80fd\u88ab2\uff0c5\u6574\u9664\uff0c\u5f53\u4e14\u4ec5\u5f53\u6570\u4e2d\u67090\u4e14\u653e\u5728\u672b\u5c3e<\/span><\/p>\n<p><span style=\"font-size:14px\">\u6ee1\u8db3\u80fd\u88ab3\u6574\u9664\uff0c\u8981\u8ba9sum%3=0.<\/span><\/p>\n<p><span style=\"font-size:14px\">\u663e\u7136\u8981\u53d6\u5c3d\u53ef\u80fd\u591a\u7684\u4f4d\u6570\uff0c\u5148\u5224\u65ad\u662f\u5426\u80fd\u5168\u53d6\u3002<\/span><\/p>\n<p><span style=\"font-size:14px\">\u7528a[i]\u8868\u793a\u6570\u5b57i\u6709\u51e0\u4e2a\uff0cb[i]\u8868\u793a%3=i\u7684\u6570\u5b57\u6709\u51e0\u4e2a.<\/span><\/p>\n<p><span style=\"font-size:14px\">\u82e5\u5168\u53d6\u540e%3=1\uff0c\u5219\u52201\u4e2a%3=1\u62162\u4e2a%3=2.\u4f18\u5148\u5220\u5220\u9664\u6570\u5b57\u5c11\u7684\uff0c\u6b21\u4f18\u5148\u5220\u6570\u5b57\u5c3d\u91cf\u5c0f\u7684\u3002<\/span><\/p>\n<p><span style=\"font-size:14px\">\u82e5\u65e0\u6cd5\u5168\u53d6\uff0c\u4e5f\u4e0d\u591f\u5220\uff0c\u5219\u65e0\u89e3.<\/span><\/p>\n<p><span style=\"font-size:14px\">\u540c\u7406%3=2.<\/span><\/p>\n<p><span style=\"font-size:14px\">\u82e5\u6709\u5408\u6cd5\u89e3\uff0c\u6570\u5b57\u5fc5\u4ece\u5927\u5230\u5c0f\u6392\u5217\u3002<\/span><\/p>\n<p><span style=\"font-size:14px\">\u7531\u4e8e\u4e0d\u80fd\u6709\u524d\u5bfc0\uff0c\u9700\u7279\u52240\uff0c0\uff0c0\uff0c0\u2026\u2026\u7684\u60c5\u51b5\u3002<\/span><\/p>\n<p><span style=\"font-size:14px\"><\/span><\/p>\n<pre name=\"code\" class=\"delphi\">var\n   a:array[0..9] of longint;\n   b:array[0..2] of longint;\n   n,i,j,p:longint;\nprocedure decrease(k:longint);\nbegin\n   if (a[k]&gt;0) then dec(a[k])\n   else if (a[k+3]&gt;0) then dec(a[k+3])\n   else if (a[k+6]&gt;0) then dec(a[k+6]);\nend;\nbegin\n   read(n);\n   fillchar(a,sizeof(a),0);\n   for i:=1 to n do\n   begin\n      read(j);\n      inc(a[j]);  inc(b[j mod 3]);\n   end;\n   if (a[0]=0) then\n   begin\n      writeln('-1');\n      halt;\n   end;\n\n   p:=b[1] mod 3+(b[2]*2) mod 3;\n   if (p=1) then\n   begin\n      if (b[1]&gt;0) then decrease(1)\n      else if (b[2]&gt;1) then begin decrease(2);decrease(2); end\n      else\n      begin\n         writeln('-1');\n         halt;\n      end;\n   end;\n   if (p=2) then\n   begin\n      if (b[2]&gt;0) then decrease(2)\n      else if (b[1]&gt;1) then begin decrease(1);decrease(1); end\n      else\n      begin\n         writeln('-1');\n         halt;\n      end;\n   end;\n\n   p:=0;\n   for i:=1 to 9 do inc(p,a[i]);\n   if (p=0) then\n   begin\n      writeln('0');\n      halt;\n   end;\n\n\n   for i:=9 downto 0 do\n      for j:=1 to a[i] do write(i);\n   writeln;\n\n\n\n\n\n\n\nend.<\/pre><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u4e1a\u95ee\u9898 \u65f6\u9650\uff1a1s\u5185\u5b58\uff1a32M \u2605\u95ee\u9898\u63cf\u8ff0: \u5c0fT\u5f88\u559c\u6b22\u6570\u5b66\uff0c\u6bcf\u5929\u8001\u5e08\u521a\u5e03\u7f6e\u5b8c\u4f5c\u4e1a\uff0c\u4ed6\u5c31\u5f00\u59cb\u601d\u8003\uff0c\u4eca\u5929\u4ed6\u9047\u5230 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