public int GetNumberOfSeaMonsters(SatelliteImage image)
{
var count = 0;
for (int y = 0; y < image.height - 3; y++)
{
for (int x = 0; x < image.width - 20; x++)
{
if (SeaMonsterAt(image, x, y))
{
count++;
}
}
}
return(count);
}
private bool SeaMonsterAt(SatelliteImage image, int x, int y)
{
/* 01 4567 0123 6789
* 0 #
* 1 # ## ## ###
* 2 # # # # # #
*
*/
if (image._image[x, y + 1] && image._image[x + 1, y + 2] && image._image[x + 4, y + 2] && image._image[x + 5, y + 1] && image._image[x + 6, y + 1] && image._image[x + 7, y + 2] &&
image._image[x + 10, y + 2] && image._image[x + 11, y + 1] && image._image[x + 12, y + 1] && image._image[x + 13, y + 2] &&
image._image[x + 16, y + 2] && image._image[x + 17, y + 1] && image._image[x + 18, y + 1] && image._image[x + 19, y + 1] && image._image[x + 18, y])
{
return(true);
}
return(false);
}
