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Discussion of Problem 1495. One-two, One-two 2

hint for WA 3
Posted by BORODA 17 Feb 2014 19:28
n = 2
Re: hint for WA 3
Posted by Chan 14 Oct 2015 16:18
the answer is 2 , isn't it?
Re: hint for WA 3
Posted by raven 11 Jan 2016 06:53
Thank you!