Can anytone guide me with the approach

#1

I am getting how hashing is done and how values are computed but the output how it is generating and what relation it has with the hash fn defined in the question

#2

hello @great
IN output u need to print all disitnct number.
and at ith position u need to print that number whose has value is i-1
dry run on some small test cases and observer the pattern.