factorial calculator c++
#include <iostream>
using namespace std;
int factorial(int n) {
if (n == 0 || n == 1) {
return 1;
} else {
return n * factorial(n - 1);
}
}
int main() {
int number;
cout << "Enter a positive integer: ";
cin >> number;
cout << "Factorial of " << number << " = " << factorial(number);
return 0;
}