Task #14

#include <iostream>
using namespace std;

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


int main() {
    cout << "Enter n: ";
    int n;
    cin >> n;
    int result = fac(n);
    cout << "Factorial of " << n << " is " << result;
    return 0;
}