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这个题也拿去折腾别人吧?

Posted by frkstyc at 2005-05-20 16:08:03 on Problem 2104
In Reply To:一种非常BT的方法就是线段树嵌套平衡树,这样一次操作是(logn)^2的。。。 Posted by:js05 at 2005-05-20 16:04:36


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