Find the Factorial of a Number (Iterative way)

#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;

int fact(int n)
{
    int i, ans=1;
    for(i=1; i<=n; i++)
        ans*=i;
    return ans;
}
int main()
{
    int n;
    cin>> n;
    cout << fact(n) << endl;
}