SPOJ — Play with a tree

Revision en1, by SebiSebi, 2015-07-10 14:20:39

Can someone give me a hint on this problem: http://www.spoj.com/problems/PT07A/. I cannot figure out how to calculate the SG numbers.

Tags game theory, spoj

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en1 English SebiSebi 2015-07-10 14:20:39 157 Initial revision (published)