Hi I have a guess the code chalange in class in which I have to create c sharp program which all will guess I will tell them problem statement and one hint. i will have another 2 hints which I will keap and a code. I want a program which is not similer to prime numbers and more difficult for a real chalange and it sould be not too difficult that no one can guess. I am confused what program to make. can you give me some ideas please.