Help in D — Persistent Bookcase

Revision en2, by M.A.H.M.O.O.D, 2016-11-26 17:50:16

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 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)