[SOLVED] Error on 'n' digit armstrong number checker program

Question

I encountered a problem while I was trying to solve a question on 'n' digit armstrong number checker in C and I can't solve it after working hours also((I am newbie in C😂)).

I checked in the codes and discussion of sololearn also, but only 3 digits ones I got.

So, help me to solve it.

MY CODE:
https://code.sololearn.com/cgWQ0XYGGQiT/?ref=app

Answer 1

Take mul =1 initially..