How do I run my C++ programme in which user gives the inputs?

Question

I have a difficulty in running my code like those in which the user gives the input and output is then shown, the calculator, matrices programs, etc.
please help.

Answer 1

You are probably undergoing the c++ course so this might not be difficult for you

Answer 2

Explain your question

Answer 3

it means after completing the course I can run them