class Result

{

​

    private static long Solve(long a, long b)

    {

        long x = 0;

        long y = 0;

​

        long s = 1;

        long overflow = 0;

        while (a != 0 || b != 0)

        {

            if ((b & 1) == 1)

            {

                if ((a & 1) != 1-overflow)

                    return 0;

                y |= s;

                // v = v;

            }

            else // (b & 1) == 0

            {

                if ((a & 1) != overflow)

                    return 0;

​

                if (((a >> 1) & 1) == ((b >> 1) & 1))

                {

                    // 0 0

                    overflow = 0;

                }

                else

                {

                    // 1 1

                    x |= s;

                    y |= s;

                    overflow = 1;

                }

            }

​

            a >>= 1;

            b >>= 1;

            s <<= 1;

        }

        return 2*x + 3*y;

    }

​

    /*

     * Complete the 'bitwiseEquations' function below.

     *

     * The function is expected to return a LONG_INTEGER_ARRAY.

     * The function accepts following parameters:

     *  1. LONG_INTEGER_ARRAY a

     *  2. LONG_INTEGER_ARRAY b

     */

    public static List<long> bitwiseEquations(List<long> a, List<long> b)

    {

        return a.Zip(b, Solve).ToList();

    }

​

}

​