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Re:这题貌似数据弱了。看下面这个数据

Posted by bjtu1 at 2009-07-23 11:55:59 on Problem 3398
In Reply To:这题貌似数据弱了。看下面这个数据 Posted by:Mcfaddan_b at 2009-05-18 18:41:11 
结果显然是2吧，LZ楼主想错了。。
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