Solve this through While Loop In C++

Question

A
AB
ABC
ABCD

Answer 1

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

here is solution

Answer 2

Homework?
Please show us your attempt first, we don't give the solution directly.

Answer 3

ayy homeworkBOYS

Answer 4

thanks Bro