C++ Program to find the Factorial using recursive function

    #include <iostream>
   #include <iomanip>
   using namespace std;
   #define LENGTH 20
   long double iterativeFunction(unsigned int n); // Iterative solution
   long double recursiveFunction(unsigned int n); // Recursive solution
   int main()
   {
     unsigned int n;
     cout << fixed << setprecision(0);
     cout << setw(10) << "n" << setw(30) << "Factorial of n"
       << " (Iterative solution)\n" << endl;
     for( n = 0; n <= LENGTH; ++n)
       cout << setw(10) << n << setw(30) << iterativeFunction(n)
         << endl;
     cout << "Go on with ";
     cin.get();
     cout << setw(10) << "n" << setw(30) << "Factorial of n"
       << " (Recursive solution)\n" << endl;
     for( n = 0; n <= LENGTH; ++n)
       cout << setw(10) << n << setw(30) << recursiveFunction(n)
         << endl;
     cout << endl;
     return 0;
   }
  long double iterativeFunction(unsigned int n) // Iterative solution.
   {
     long double result = 1.0;
     for( unsigned int i = 2; i <= n; ++i)
       result *= i;
     return result;
   }
   long double recursiveFunction(unsigned int n) // Recursive solution.
   {
     if( n <= 1)
       return 1.0;
     else
       return recursiveFunction(n-1) * n;
   }