ANCESTOR problem


problem : ANCESTOR
i actually thought about ->traversing down the both the trees parallely from root to leaves and binary lifting of the bfs/dfs array…
can anyone share his approach…?

Maybe this can help
There are no editorials for this contest :frowning:

shit …i forgot to look for its invitation blog on cf …thanx buddy

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Do post soln if you get the answer. :stuck_out_tongue: