public async Task <IActionResult> Save(CameraTile tile)
{
if (ModelState.IsValid)
{
return(await SaveBaseTile(ConfigStore, tile));
}
return(View("Add", tile));
}
public async Task <IActionResult> Save(CameraTile tile)
{
if (ModelState.IsValid)
{
return(await SaveBaseTile(ConfigStore, tile));
}
ViewBag.Entities = (await EntityClient.GetEntities("camera")).OrderBy(e => e).Select(e => new SelectListItem(e, e));
return(View("Add", tile));
}
public Day20() : base(20, 2020, "")
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
string[] tiles = Input.Split("\n\n");
Dictionary <int, int> allEdges = new Dictionary <int, int>();
List <CameraTile> allTiles = new List <CameraTile>();
var edgeToTiles = new Dictionary <int, List <CameraTile> >();
foreach (string tile in tiles)
{
CameraTile newTile = new CameraTile(tile);
allTiles.Add(newTile);
foreach (int edge in newTile.AllPossibleNeighbors())
{
allEdges[edge] = allEdges.GetValueOrDefault(edge, 0) + 1;
if (edgeToTiles.TryGetValue(edge, out List <CameraTile> tilesWithEdge))
{
tilesWithEdge.Add(newTile);
}
else
{
edgeToTiles[edge] = new List <CameraTile>();
edgeToTiles[edge].Add(newTile);
}
}
}
List <CameraTile> Corner = new List <CameraTile>();
List <CameraTile> Edge = new List <CameraTile>();
List <CameraTile> Center = new List <CameraTile>();
foreach (CameraTile t in allTiles)
{
int edgeCount = 0;
if (allEdges[t.N] == 1 && allEdges[flipped(t.N)] == 1)
{
t.blockedN = true;
edgeCount++;
}
if (allEdges[t.E] == 1 && allEdges[flipped(t.E)] == 1)
{
t.blockedE = true;
edgeCount++;
}
if (allEdges[t.S] == 1 && allEdges[flipped(t.S)] == 1)
{
t.blockedS = true;
edgeCount++;
}
if (allEdges[t.W] == 1 && allEdges[flipped(t.W)] == 1)
{
t.blockedW = true;
edgeCount++;
}
if (edgeCount == 2)
{
Corner.Add(t);
}
else if (edgeCount == 1)
{
Edge.Add(t);
}
else
{
Center.Add(t);
}
}
long product = 1;
foreach (CameraTile t in Corner)
{
product *= t.tileId;
}
partOne = product.ToString();
////////////////////////////////////////////////////////////////////////////////////////////////////
Dictionary <Coordinate2D, CameraTile> board = new Dictionary <Coordinate2D, CameraTile>();
CameraTile lastTile = Corner[0];
board[(0, 0)] = lastTile;
