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目前训练用的题目都是网上公开的资源，如果想做原创题目欢迎参加POJMONTHLY

Posted by Dzx at 2007-08-03 11:26:38
In Reply To:北大比赛这么多刷题的，管理员可不可以解释一下？ Posted by:Huacm00 at 2007-08-03 09:54:54 
另外如果你想出原创题目也可以与我联系
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