Useful Summation of Factorials

/*

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*/




#include <iostream>
using namespace std;

long int f(int n)
{
    return (n > 1 ? n*f(n-1) : 1);
}

long int fCount(int n)
{
    long int count = 0;
    for(int i = 1; i <= n; i++)
    {
        count += f(i);
    }
    return count;
}

int main()
{
int N;
cout<< "Enter Your Number: ";
cin>>N;
    cout << fCount(N);
}