C/C++ Program to factorial of a number

//Program to factorial of a number
#include<iostream>
using namespace std;
int main()
{
    int n,i,f;
    cout<<"\n enter a number to find factorial:";
    cin>>n;
    f=1;
    for(i=1;i<=n;i++)
        {
          f=f*i;
        }
    cout<<"\n Factorial of "<<n<<" is :"<<f<<endl;
return 0;
}