Series Program- 1!/1) + (2!/2) + (3!/3) + (4!/4) + (5!/5) + ... + (n!/n)

Below is C program for Series Program- 1!/1) + (2!/2) + (3!/3) + (4!/4) + (5!/5) + ... + (n!/n)

Program:

/* Series Program- 1!/1) + (2!/2) + (3!/3) + (4!/4) + (5!/5) + ... + (n!/n)*/
long fact(int n)
{
    long i, f=1;
    for(i=1;i<=n;i++)
    {
        f=f*i;
    }
    return f;
}

int main()
{
    long i,n;
    double sum=0;
    n=5;
    for(i=1;i<=n;i++)
    {
        sum=sum+(fact(i)/i);
    }
    printf("Sum: %lf",sum);
    return 0;
}