What work n/10 doing

#1

how printspellings(n/10) works and after that how n%10 works in this case

#2

Hey @TheSourabh
So first thing u need to know
if n=2048
then n/10 is equalt to 204 i.e quotient(or integer) part after dividing by 10
and n%10 is equal to 8 that is remainder after deleting by 10
So now printspelling(n/10) remove last digit and call for smaller part
i.e printspellings(2048) calling printspellings(204) which is calling printspellings(20) which calls printspellings(2)

Now since we are doing n/10 in argument we are not updating actual value of n so n%10 is extracting last digit and adding corresponding string to answer string later

#3

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