After thinking some more, begin to design a solution. Think about your solution design and revise it as needed.
Functions return one, no more than one, no less than one, ONE value.
Make sure they are GOOD friends. Flon's Law - There is not now, and never will be, a language in which it is the least bit difficult to write bad programs. This course is really 2 courses in one. The first 5-6 weeks is devoted to the C language. The syntax for the topics listed in the CS120 course is given with added emphasis on error checking and program robustness.