static void Main(string[] args)
{
AVLTree<int> tree = new AVLTree<int>();
tree.Add(50);
tree.Add(2);
tree.Add(7);
tree.Add(94);
tree.Add(24);
tree.Add(24);
tree.Add(71);
tree.Add(30);
tree.Add(49);
Console.WriteLine("Count: " + tree.count()); // Should be 9
Console.WriteLine("Min: " + tree.min()); // Should be 2
Console.WriteLine("Max: " + tree.max()); // Should be 94
Console.WriteLine("Depth: " + tree.depth()); // Should be 7
tree.print(); // Prints the values in order
tree.Remove(49); // test for value not in tree
tree.Remove(51); // test for value not in tree
tree.Remove(50);
tree.Remove(2);
tree.Remove(7);
tree.Remove(94);
tree.Remove(24);
tree.Remove(24);
tree.Remove(71);
tree.Remove(30);
tree.Remove(49);
Console.WriteLine("Count: " + tree.count()); // Should be 0
Console.WriteLine("Min: " + tree.min()); // Should be -1
Console.WriteLine("Max: " + tree.max()); // Should be -1
Console.WriteLine("Depth: " + tree.depth()); // Should be 0
tree.print(); // Prints the values in order
}