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Discussion of Problem 1362. Classmates 2

what is the third test?
Posted by Denis Astanin (KPI) 2 Jun 2011 15:27
Re: what is the third test?
Posted by Alexey Dergunov [Samara SAU] 4 May 2012 12:32
If you enumerate vertices from 0, be sure that you decrease root's number before calling DFS.