1. Compute the Factorial of a number
2. Compute the Superfactorial of a number
3. Quit

 #include  using namespace std; void getValidUserInputPosNumGT0 (int *a) // this void will pass by reference and store the value chosen by the user. { int num; cout << "Enter in a positive number greater than 0... "; // This is what will print after the switch is done by the code for what the user chooses. cin >> *a; // the integer number the user chooses to use. } long double factorial (int num) // The factorial while calculate the number chosen. { int fact = 1; while (num > 1) { fact *= num; num--; } return fact; } long double SuperFactorial (int num) { { return (num==1 || num==0) ? 1: num * SuperFactorial(num - 1); } return num; } int main () { int ch; int num; cout << "Welcome to the playing with numbers program! "; do { cout << "1) Compute the factorial of a number "; cout << "2) Compute the SuperFactorial of a number "; cout << "3) Quit "; while (true) { cout << "Select an option (1..3).."; cin >> ch; if (ch == 1 || ch == 2 || ch == 3) { break; } } switch (ch) { case 1: getValidUserInputPosNumGT0(&num); cout << "Factorial("<
                        

                            
                                                            

                                    

                                        

                                                                                    
                                        

                                                                                    
                                    
                                
                                                    

                        

                            
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