static async Task Main(string[] args)
{
var code = File.ReadLines(args.FirstOrDefault() ?? "input.txt").First();
var program = IntcodeMachine.ParseCode(code);
// Part 1
var painted = await RunRobotAsync(program);
var totalPaintedSquares = painted.Count;
Console.WriteLine($"Part 1 Result = {totalPaintedSquares}");
Console.WriteLine();
// Part 2
var pixels = await RunRobotAsync(program, initialColor : 1);
var image = GenerateImage(pixels);
Console.WriteLine("Part 2 Image:");
foreach (var row in image)
{
Console.WriteLine(row);
}
Console.WriteLine();
}
public static async Task RunProgramAsync(
long[] program,
Func <CancellationToken, ValueTask <long> > read,
Func <long, CancellationToken, ValueTask> write,
CancellationToken cancellationToken = default)
{
var vm = new IntcodeMachine(program, read, write);
await vm.StepUntilHalted(cancellationToken);
}