Factorial.cpp

#include <iostream> 
using namespace std; 

unsigned int factorial(unsigned int n) 
{ 
	if (n == 0) 
		return 1; 
	return n * factorial(n - 1); 
} 

int main() 
{ 
	int num = 5; 
	cout << "Factorial of "
		<< num << " is " << factorial(num) << endl; 
	return 0; 
}