Series Program in C 10

1/2 - 2/3 + 3/4 - 4/5 + 5/6 - ...... n

Code:

int main()

{

    double i, n,sum=0;

    n=10;

    for(i=1;i<=n;i++)

    {

        if ((int)i%2==1)

            sum+=i/(i+1);

        else

            sum-=i/(i+1);

    }

    printf("Sum: %lf",sum);

    return 0;

}

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