public static void Main()
{
BinarySearchTree nums = new BinarySearchTree();
nums.Insert(23);
nums.Insert(45);
nums.Insert(16);
nums.Insert(37);
nums.Insert(3);
nums.Insert(99);
nums.Insert(22);
Console.WriteLine("Inorder traversal: ");
nums.InOrder(nums.root);
Console.WriteLine("Minimum value is " + nums.FindMin());
Console.WriteLine("Maximum value is " + nums.FindMax());
bool found = nums.Find(43) != null;
Console.WriteLine("43 node is present: " + found);
Console.WriteLine("45 node is present: " + (nums.Find(45) != null));
Console.WriteLine("3 node is present: " + (nums.Find(3) != null));
Console.WriteLine("23 node is present: " + (nums.Find(23) != null));
Console.WriteLine("29 node is present: " + (nums.Find(29) != null));
Console.WriteLine("99 node is present: " + (nums.Find(99) != null));
nums.Delete(45);
}