Need help in a tree problem

Revision en1, by abc_fx, 2020-04-25 17:27:31

I am trying to solve following tree problem but i am unable to understand a statement "**Select the subtree of the given tree that includes the vertex with number 1**" .What does it mean ?? if we select a subtree by including root node always then only one subtree is possible ?? is not it ?? Any help would be appreciated. https://codeforces.me/contest/274/problem/B

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en1 English abc_fx 2020-04-25 17:27:31 409 Initial revision (published)