Help in D — Persistent Bookcase

Revision en1, by M.A.H.M.O.O.D, 2016-11-26 17:46:31

Hi everyone,

I was just solving 707D - Persistent Bookcase and I got WA on test 9.

I really have no idea what's wrong with my solution could somebody please help me to debug it I've tried real hard but to no avail.

my code[submission:22511356].

Thank you for reading.

:)

Tags debug, dfs

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  Rev. Lang. By When Δ Comment
en2 English M.A.H.M.O.O.D 2016-11-26 17:50:16 3 Tiny change: 'n\nmy code[submissio' -> 'n\nmy code [submissio'
en1 English M.A.H.M.O.O.D 2016-11-26 17:46:31 304 Initial revision (published)