Why it is not decreasing its value by doing n/10?

#1

We had done increasing-decreasing recursion and in that n is decreasing its value by 1 in recursive case then why in the above program it is not decreasing its value by doing n/10?

#2

Hey if you mean why here n is not decreasing
printspelling(n/10);
int digit=n%10;

Here n is not decreasing because we are not assigning changes to n in current call of printspelling
we are calling printspellin(n/10) which means n/10 is passed as argument to next call but in current call it will remain n because we haven’t done like this n=n/10; printspelling(n);

#3

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