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Discussion of Problem 1494. Monobilliards

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foe those who ask which data xstructure u need to solve it Arseniy 25 Feb 2014 01:51
You need set.
Think how to use it here
Re: foe those who ask which data xstructure u need to solve it Otrebus 29 Jan 2015 20:01
No, you don't need a set. Any simple linear data structure will do.

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