static void Main(string[] args)
{
int inches = 0;
string tryAgain = string.Empty;
do
{
Console.WriteLine("Please provide the number of inches.");
var read = Console.ReadLine();
if (int.TryParse(read, out inches))
{
if (inches < 1)
{
Console.WriteLine("The number of inches should be greater than 0.");
}
else
{
var tree = new MovementTree(inches);
tree.FillNodes();
var result = tree.CountPaths();
Console.WriteLine(string.Format("There are {0} possibilities.", result));
}
}
else
{
Console.WriteLine("Incorrect argument. Should be a number.");
}
Console.WriteLine("Want to try again? (y/n)");
tryAgain = Console.ReadLine();
} while (tryAgain == "y");
}
public void FillNodes()
{
if ((_number - 1) >= 0)
{
Left = new MovementTree(_number - 1);
Left.FillNodes();
}
if ((_number - 2) >= 0)
{
Right = new MovementTree(_number - 2);
Right.FillNodes();
}
}