Playing with cards

#1

i am not able to understand what is Q given in this question and what’s the use of it. can you explain this?

#2

Hey @aditikandhway
in this question u are given a stack A0 , and a number q(number of iteration)

now using A0 u need to obtain A1 and B1 (procedure explained in problem)
now using A1 u need to obtain A2 and B2
now using A2 u need to obtain A3 and B3
now using A3 u need to obtain A4 and B4
…
…
…
now using Aq-1 u need to obtain Aq and Bq

at the end u need to print content of B1 ,B2,B3,…Bq , Aq