Is this a valid program?

Question

C++ code for printing an nth term in the Fibonacci sequence
https://code.sololearn.com/cE9T0khlied8/?ref=app

Answer 1

you've lost 1
if you remember 1, 1, 2, 3, 5, 8...
so your program print 8 if you input 5

Answer 2

is that proper now?

Answer 3

ye