#include <iostream>
using namespace std;
int num, factorial;
num = 6;
factorial = Fact(num);
cout << num << "! = "
<< factorial;
return 0;
} // end main
int Fact (int num)
{ if (num == 0)
return 1;
else
return num*Fact(num-1);
} //end Fact
int main()
What is the output?