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these C(i) numbers needn't be different from each other...faint难怪cet那么少

Posted by mixter at 2005-09-03 16:53:21 on Problem 2443
In Reply To:偶也正在wa................偶还是用的51*20来表示这1000位....不过还是wa.... Posted by:mixter at 2005-09-03 16:43:26


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