C++ Clan

#include
using namespace std;

int main()
{
 int factorial = 1, value = 1;
 cout << "Please enter value to find its factorial" << endl;
 cin >> value; int temporary = value;
 if (value < 0)
 {
  cout << "please enter a positive number ";
  main();
 }
 else if (value<2)
 {
  cout << "factorial of " << value << " is " << 1 << endl;
 }
 else
 {
  do
  {
   factorial *= temporary--;
  } while (temporary>1);
  cout << "factorial of " << value << " is " << factorial << endl;
  return 0;
 }
}