ex0409.cpp

practice c++, it is from the book http://www.amazon.com/Schaums-Outline-Programming-John-Hubbard

//  Programming with C++, Second Edition, by John R. Hubbard
//  Copyright McGraw-Hill, 2000
//  Example 4.9 on page 65
//  The factorial numbers

#include <iostream>
using namespace std;

int main()
{ long bound;
  cout << "Enter a positive integer: ";
  cin >> bound;
  cout << "Factorial numbers < " << bound << ":\n1, 1";
  long f=1, i=1;
  do
  { f *= ++i;
    cout << ", " << f;
  }
  while (f < bound);
}