Editorial for An Animal Contest 2 P0 - Koala Matchmaking
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
It is always optimal to choose to be
, giving an average of
as our answer. Note that we cannot choose
to be
since the resulting average would not be an integer.
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