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Re:请教解题思路。

Posted by stupidjohn at 2010-05-27 20:19:46 on Problem 3295
In Reply To:请教解题思路。 Posted by:gzw_02 at 2008-07-24 22:03:11
前缀式反过来就是后缀式咯,后缀式你还不会用stack来解?

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