Y by
Let
be a positive integer. Find the minimum
, so that there exists
satisfying:
(1)For every
or 
(2)For every
, there are at most
indices
with 
(3)For every
, there are at most
indices
with 



(1)For every


(2)For every




(3)For every




This post has been edited 2 times. Last edited by mathematics2003, May 14, 2021, 12:46 AM
Reason: sorry for terrible typo
Reason: sorry for terrible typo