public static int Sum(IntTreeNode clientRoot)
{
if (clientRoot == null)
{
return(0);
}
return(clientRoot.data + Sum(clientRoot.left) + Sum(clientRoot.right));
}
public static int Height(IntTreeNode clientRoot)
{
if (clientRoot == null)
{
return(0);
}
return(1 + Math.Max(Height(clientRoot.left), Height(clientRoot.right)));
}
public static string ToStringInOrder(IntTreeNode clientRoot)
{
string str = "";
if (clientRoot != null)
{
str += ToStringInOrder(clientRoot.left) + " " + clientRoot.data + " " + ToStringInOrder(clientRoot.right) + " ";
}
return(str);
}
public static bool ExistsST(IntTreeNode clientRoot, int value)
{
if (clientRoot == null)
{
return(false);
}
if (clientRoot.data == value)
{
return(true);
}
return(Exists(clientRoot.left, value) || Exists(clientRoot.right, value));
}
private IntTreeNode Add(IntTreeNode root, int value)
{
if (root == null)
{
root = new IntTreeNode(value);
}
else if (value <= root.data)
{
root.left = Add(root.left, value);
}
else
{
root.right = Add(root.right, value);
}
return(root);
}
// Instance Methods
public void Add(int value)
{
root = Add(root, value);
}
// Constructor
public IntSearchTree()
{
root = null;
}
public IntTreeNode(int data, IntTreeNode left, IntTreeNode right)
{
this.data = data;
this.left = left;
this.right = right;
}
