protected override string Solve2(IEnumerable <string> inputs)
{
var cpu = ServiceProvider.GetRequiredService <IntCodeCpu>();
var program = inputs.First().ToProgram();
var minutes = 0;
var maze = ReadFile().Select(x => new MazeMovementOption(x.Split(","))).ToList();
var hasOxygen = maze.Where(x => x.TileType == MazeTileType.Goal).ToList();
while (hasOxygen.Any(x => x.Resolved == 0))
{
foreach (var tile in hasOxygen.Where(x => x.Resolved == 0).ToList())
{
foreach (var neighbor in MazeWalker.GetNeighbors(tile.Position, maze))
{
if (neighbor.TileType == MazeTileType.Empty)
{
tile.Resolved = minutes;
hasOxygen.Add(neighbor);
}
}
}
minutes++;
}
MazeWalker.Render(maze);
var result = maze.Max(x => x.Resolved);
return(result.ToString());
}
