HELP!(LOOP AND FUNCTION)

[cjchapa1]

a) Implement the function checkPrime(int n) that returns 1 if integer n is a prime number, and 0 otherwise

b) Implement the function checkTwin(int n) that returns 1 if (n, n+2) is a twin number, and 0 otherwise.

[mutexe]

what you got so far?

[cjchapa1]

i figured it out thanks!