Very interesting, but hard problem

Правка en1, от RomeoFantastik, 2015-06-17 23:57:36

Hello guys! Like I have done before, I want to propose you a nice problem form main.edu.pl I am stuck at it, but I think it's good for training yourself. http://main.edu.pl/en/archive/pa/2010/cuk If you have good ideas, please share it here. :D

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en1 Английский RomeoFantastik 2015-06-17 23:57:36 281 Initial revision (published)