P57474: Factorial iteratiu

#include <iostream>
using namespace std;


int factorial(int n) {
    int f = 1;
    for (int i = 1; i <= n; ++i) {
        f = f*i;
    }
    return f;
}

//Pre: Llegeix un natural
//Post: Calcula el factorial
int main() {
    int n;
    cin >> n;
    cout << factorial(n) << endl;
}