XOR Tree

You are given a tree with NNN vertices. A tree is a connected undirected graph without cycles.


This is a companion discussion topic for the original entry at https://toph.co/p/xor-tree

please update the problem statement. @hjr265

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The statement for this problem has been updated. Thanks for reporting, @rkb_rd.

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please update the statement of editorial also. @hjr265

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Editorial has also been updated. Thank you!

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