Can someone help me

Question

I have to right this code to get a resul after increasing n% of a price

https://code.sololearn.com/cDl1iwKx010P/?ref=app

Answer 1

All the errors are shown in the output panel....all I did was read it, correct it...and it worked, but the main ones are change your Ex03 function to void as your not returning anything
and main should be int main with return 0;

Answer 2

I'm sorry. I'm super newby I tried following what you told me, but it didn't work, and I can't understand the error messages that are output