Keep getting TLE on BST problem !

Revision en1, by Kettlebell, 2017-04-17 21:06:36

I've tried almost everything I can think of to solve this. If anyone can give me a shred of clue, it'd be a great help(Since editorial is not published, yet).

http://codeforces.me/contest/797/submission/26460219

Thank you in advance.

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en1 English Kettlebell 2017-04-17 21:06:36 282 Initial revision (published)