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唉 数据似乎怎么做都可以ac -_-

Posted by cscjzz at 2006-02-18 18:42:56 on Problem 1967
In Reply To:Re:这题可以二分 . :) Posted by:Savior at 2006-02-18 16:05:04
> 用二分应该是不对的,可惜数据太弱,可以过。

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