/// <summary>
/// Initializes a new instance of the <see cref="Solver"/> class.
/// </summary>
/// <param name="keypad">The keypad to solve.</param>
public Solver(
Keypad keypad)
{
_keypad = keypad;
// Tumblers array stores the indices of the current tumbler positions
_tumblers = new int[keypad.CodeLength];
// Keep track of the number of codes tried
_codesTried = 0;
}
static void Main(string[] args)
{
// Create a new keypad
Keypad keypad = new Keypad(
4, /* 4 buttons */
new List<char> { 'a', 'b', 'c', 'd', 'e', 'f' } /* Keypad symbols */);
Solver solver = new Solver(keypad); /* Create a new solver */
solver.Solve();
Console.WriteLine("Press any key to exit.");
Console.ReadLine();
}