Someone just show me the problem with my code

Question

I created this code with Dev-Cpp and it is running pretty well but once I import it to sololearn and try to run, it says "Enter no of input"

Your suggestions please

https://code.sololearn.com/cb3fEnYO08bi

Answer 1

https://www.sololearn.com/Discuss/2048153/?ref=app

also on SL all inputs must supplied upfront on separate lines