How to avoid global variables

Question

Refer code below:

How to complete this code without changing function signature and not using global variables?
https://sololearn.com/compiler-playground/cMmIifMYJoFg/?ref=app

P.s. I can use static in function and complete the code. Just checking for other alternative as static solution was ok but more option was asked

Answer 1

Besides global or static you could write it to some permanent storage such as a disk file or Windows registry.

And then there is my other trick of writing to other stack frames 😋

Answer 2

Thanks Brian