static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine($"Syntax: {Path.GetFileName(Assembly.GetEntryAssembly().Location)} <input file>");
return;
}
try
{
string inputFileName = args[0];
string outputFileName = Path.GetFileNameWithoutExtension(inputFileName) + ".sln.txt";
SudokuBoard boardToSolve = SudokuBoard.LoadSudokuBoardFromFile(inputFileName);
boardToSolve.solveBoard();
boardToSolve.writeSolution(outputFileName);
if (boardToSolve.isSolved())
{
Console.WriteLine("Solving complete.");
}
else
{
Console.WriteLine("Board is not solvable.");
}
}
catch (Exception ex)
{
Console.Error.WriteLine(ex.Message);
}
}