Do you have any simplest for of this program

Question

for simplify the program you can use any language like C, C++ or Java

https://code.sololearn.com/c6jpZD7MyOyb/?ref=app

Answer 1

So you can use Switch case and default. Here one example:

https://code.sololearn.com/c2sUc6Te2F0I

Note: Use default for error handling. If some user inserted a invalid value for your code. In the default part insert a error message or a procediment to correct the predicted error.