int getMedian(int* inBuffer, int width, int height, int xPos, int yPos)
{
    vector<int> vec;
    for (int i = -1; i <= 1; i++)
    {
        for (int j = -1; j <= 1; j++)
        {
            vec.push_back(inBuffer[(j + yPos) * width + (i + xPos)]);
        }
    }

    sort(vec.begin(), vec.end());

    return vec[5];

}

/**
* @brief Serial version of median filter.
* @param inBuffer buffer of input image
* @param outBuffer buffer of output image
* @param width image width
* @param height image height
*/
void filter_serial_med(int* inBuffer, int* outBuffer, int width, int height)
{
    // TODO: PLACE CODE HERE
    int median = 0;

    for (int i = 1; i < width - 1; i++)
    {
        for (int j = 1; j < height - 1; j++)
        {
            median = getMedian(inBuffer, width, height, i, j);
            //cout << median << endl;
            outBuffer[j * width + i] = median;
        }
    }
}