private static double CornerIDs(string[] input)
{
List <Photo> photos = ParsePhotos(input);
PhotoGrid ordered = PlacePhotos(photos);
double res = 1;
foreach (var photo in ordered.Values)
{
if (ordered.GetAdjacentValues(photo.Key).Length == 2)
{
res *= photo.Value.id;
}
}
return(res);
}
private static PhotoGrid PlacePhotos(List <Photo> photos)
{
PhotoGrid grid = new PhotoGrid();
while (photos.Count > 0)
{
foreach (var coordinate in grid.GetEmptySpaces())
{
bool added = false;
foreach (var newPhoto in photos)
{
foreach (var orientation in newPhoto.GetAllOrientations())
{
bool correct = true;
foreach (var nearbyPhotoData in grid.GetAdjacentValuesAndCoordinates(coordinate))
{
int x = nearbyPhotoData.Item1;
int y = nearbyPhotoData.Item2;
Photo nearbyPhoto = nearbyPhotoData.Item3;
if (!orientation.Borders(nearbyPhoto, (x, y)))
{
correct = false;
}
}
if (correct)
{
grid.Add(coordinate, orientation);
photos.Remove(newPhoto);
added = true;
break;
}
}
if (added)
{
break;
}
}
}
}
return(grid);
}
