Combat.003+1.Factorial.Souce

#include stdio.h
#include iostream

using namespace std;


int factorial(int);

void main(void) {
int number;

cout << "Please enter a positive integer: ";
cin >> number;
if (number < 0)
cout << "That is not a positive integer.\n";
else
cout << number << " factorial is: " << factorial(number) << endl;
}

int factorial(int number) {
int temp;

if(number <= 1) return 1;

temp = number * factorial(number - 1);
return temp;
}