public static void Main(string[] args)
{
// Console.WriteLine("Hello World!");
var tree = new TreeNode <int>(1)
{
Left = new TreeNode <int>(2)
{
Left = new TreeNode <int>(3),
Right = new TreeNode <int>(4),
},
Right = new TreeNode <int>(5)
{
Right = new TreeNode <int>(6)
},
};
// pre
Console.WriteLine("-- PreIterate --");
tree.PreIterate();
Console.WriteLine();
// middle
Console.WriteLine("-- MidIterate --");
tree.MidIterate();
Console.WriteLine();
// post
Console.WriteLine("-- PostIterate --");
tree.PostIterate();
Console.WriteLine();
Console.ReadLine();
}