public static int Main(string[] args)
{
if (1 != args.Length)
{
Console.WriteLine("Arguments (1): puzzleDay");
return(-1);
}
if (!Int32.TryParse(args[0], out int day))
{
Console.WriteLine("Could not parse puzzle day.");
return(-1);
}
if (day <= 0 || day > MAX_DAY)
{
Console.WriteLine($"Please select a day between 1 and {MAX_DAY}");
return(-1);
}
string assemblyLocation = Assembly.GetAssembly(typeof(Program)).Location;
string projectRootDirectory = Directory
.GetParent(assemblyLocation)
.Parent
.Parent
.Parent
.FullName;
string puzzleFileName = string.Format("Day{0:D2}.txt", day);
string puzzleFilePath = Path.Combine(projectRootDirectory, "Puzzles", puzzleFileName);
if (!File.Exists(puzzleFilePath))
{
Console.WriteLine("Puzzle Input Not Found.");
return(-1);
}
Solver solver = CreateSolver(day);
if (solver is not Solver)
{
Console.WriteLine("Solver creation failed.");
return(-1);
}
// Initialisation.
TimeSpan ts;
string solution;
Stopwatch stopwatch = new Stopwatch();
List <string> input = PuzzleReader.GetInputLines(puzzleFilePath).ToList();
// Part 1.
stopwatch.Start();
solution = solver.SolvePartA(input);
stopwatch.Stop();
ts = stopwatch.Elapsed;
Console.WriteLine($"Part 1: {solution}");
Console.WriteLine("Time 1: {0:D2}.{1:D3} seconds.", ts.Seconds, ts.Milliseconds);
// Part 2.
stopwatch.Restart();
solution = solver.SolvePartB(input);
stopwatch.Stop();
ts = stopwatch.Elapsed;
Console.WriteLine($"Part 2: {solution}");
Console.WriteLine("Time 2: {0:D2}.{1:D3} seconds.", ts.Seconds, ts.Milliseconds);
return(0);
}