Find maximum among all right nodes in Binary Tree

Largest right node in binary tree

Here given code implementation process.

// Java program for
// Find maximum among all right nodes in Binary Tree
class TreeNode
{
	// Data value 
	public int data;
	// Indicates left and right subtree
	public TreeNode left;
	public TreeNode right;
	public TreeNode(int data)
	{
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
public class BinaryTree
{
	public TreeNode root;
	public TreeNode result;
	public BinaryTree()
	{
		this.root = null;
		this.result = null;
	}
	public void findMaxRightNode(TreeNode node)
	{
		if (node != null)
		{
			if (node.right != null)
			{
              	// When current node have a right child exists
				if (this.result == null || 
                    this.result.data < node.right.data)
				{
                    // Update result node
					this.result = node.right;
				}
			}
			// Visit left subtree
			findMaxRightNode(node.left);
			// Visit right subtree
			findMaxRightNode(node.right);
		}
	}
	public void maxRightChild()
	{
		this.result = null;
		this.findMaxRightNode(this.root);
		if (this.result == null)
		{
			// When no right child
			System.out.println("None");
		}
		else
		{
			// Display calculated result
			System.out.println(this.result.data);
		}
	}
	public static void main(String[] args)
	{
		BinaryTree tree = new BinaryTree();
		/*  Binary Tree
		    -----------------------
		          1
		         /  \
		        11   3
		       /    /  \
		      4    5    6   
		     / \    \    \  
		    8   7    12   -4
		       / \       
		     -2   9    
		*/
		// Add Binary tree nodes
		tree.root = new TreeNode(1);
		tree.root.left = new TreeNode(11);
		tree.root.right = new TreeNode(3);
		tree.root.right.right = new TreeNode(6);
		tree.root.right.right.right = new TreeNode(-4);
		tree.root.right.left = new TreeNode(5);
		tree.root.left.left = new TreeNode(4);
		tree.root.left.left.left = new TreeNode(8);
		tree.root.left.left.right = new TreeNode(7);
		tree.root.left.left.right.left = new TreeNode(-2);
		tree.root.left.left.right.right = new TreeNode(9);
		tree.root.right.left.right = new TreeNode(12);
		/*
		    
		          1          
		         /  \
		        11   3       
		       /    /  \
		      4    5    6    
		     / \    \    \   
		    8   7    12   -4  
		       / \   ↑   
		     -2   9      

		    ----------------------
		    Max right child node is : 12
		*/
		tree.maxRightChild();
	}
}

Output

12
// Include header file
#include <iostream>
using namespace std;
// C++ program for
// Find maximum among all right nodes in Binary Tree
class TreeNode
{
	public:
	// Data value
	int data;
	// Indicates left and right subtree
	TreeNode *left;
	TreeNode *right;
	TreeNode(int data)
	{
		this->data = data;
		this->left = NULL;
		this->right = NULL;
	}
};
class BinaryTree
{
	public: 
    TreeNode *root;
	TreeNode *result;
	BinaryTree()
	{
		this->root = NULL;
		this->result = NULL;
	}
	void findMaxRightNode(TreeNode *node)
	{
		if (node != NULL)
		{
			if (node->right != NULL)
			{
				// When current node have a right child exists
				if (this->result == NULL || 
                    this->result->data < node->right->data)
				{
					// Update result node
					this->result = node->right;
				}
			}
			// Visit left subtree
			this->findMaxRightNode(node->left);
			// Visit right subtree
			this->findMaxRightNode(node->right);
		}
	}
	void maxRightChild()
	{
		this->result = NULL;
		this->findMaxRightNode(this->root);
		if (this->result == NULL)
		{
			// When no right child
			cout << "None" << endl;
		}
		else
		{
			// Display calculated result
			cout << this->result->data << endl;
		}
	}
};
int main()
{
	BinaryTree *tree = new BinaryTree();
	/*
	  Binary Tree
	    -----------------------
	          1
	         /  \
	        11   3
	       /    /  \
	      4    5    6   
	     / \    \    \  
	    8   7    12   -4
	       / \       
	     -2   9    
	*/
	// Add Binary tree nodes
	tree->root = new TreeNode(1);
	tree->root->left = new TreeNode(11);
	tree->root->right = new TreeNode(3);
	tree->root->right->right = new TreeNode(6);
	tree->root->right->right->right = new TreeNode(-4);
	tree->root->right->left = new TreeNode(5);
	tree->root->left->left = new TreeNode(4);
	tree->root->left->left->left = new TreeNode(8);
	tree->root->left->left->right = new TreeNode(7);
	tree->root->left->left->right->left = new TreeNode(-2);
	tree->root->left->left->right->right = new TreeNode(9);
	tree->root->right->left->right = new TreeNode(12);
	/*
	          1          
	         /  \
	        11   3       
	       /    /  \
	      4    5    6    
	     / \    \    \   
	    8   7    12   -4  
	       / \   ↑   
	     -2   9      
	    ----------------------
	    Max right child node is : 12
	*/
	tree->maxRightChild();
	return 0;
}

Output

12
package main
import "fmt"
// Go program for
// Find maximum among all right nodes in Binary Tree
type TreeNode struct {
	// Data value
	data int
	// Indicates left and right subtree
	left * TreeNode
	right * TreeNode
}
func getTreeNode(data int) * TreeNode {
	var me *TreeNode = &TreeNode {}
	me.data = data
	me.left = nil
	me.right = nil
	return me
}
type BinaryTree struct {
	root * TreeNode
	result * TreeNode
}
func getBinaryTree() * BinaryTree {
	var me *BinaryTree = &BinaryTree {}
	me.root = nil
	me.result = nil
	return me
}
func(this *BinaryTree) findMaxRightNode(node * TreeNode) {
	if node != nil {
		if node.right != nil {
			// When current node have a right child exists
			if this.result == nil || 
				this.result.data < node.right.data {
				// Update result node
				this.result = node.right
			}
		}
		// Visit left subtree
		this.findMaxRightNode(node.left)
		// Visit right subtree
		this.findMaxRightNode(node.right)
	}
}
func(this *BinaryTree) maxRightChild() {
	this.result = nil
	this.findMaxRightNode(this.root)
	if this.result == nil {
		// When no right child
		fmt.Println("None")
	} else {
		// Display calculated result
		fmt.Println(this.result.data)
	}
}
func main() {
	var tree * BinaryTree = getBinaryTree()
	/*
	  Binary Tree
	    -----------------------
	          1
	         /  \
	        11   3
	       /    /  \
	      4    5    6   
	     / \    \    \  
	    8   7    12   -4
	       / \       
	     -2   9    
	*/
	// Add Binary tree nodes
	tree.root = getTreeNode(1)
	tree.root.left = getTreeNode(11)
	tree.root.right = getTreeNode(3)
	tree.root.right.right = getTreeNode(6)
	tree.root.right.right.right = getTreeNode(-4)
	tree.root.right.left = getTreeNode(5)
	tree.root.left.left = getTreeNode(4)
	tree.root.left.left.left = getTreeNode(8)
	tree.root.left.left.right = getTreeNode(7)
	tree.root.left.left.right.left = getTreeNode(-2)
	tree.root.left.left.right.right = getTreeNode(9)
	tree.root.right.left.right = getTreeNode(12)
	/*
	          1          
	         /  \
	        11   3       
	       /    /  \
	      4    5    6    
	     / \    \    \   
	    8   7    12   -4  
	       / \   ↑   
	     -2   9      
	    ----------------------
	    Max right child node is : 12
	*/
	tree.maxRightChild()
}

Output

12
// Include namespace system
using System;
// Csharp program for
// Find maximum among all right nodes in Binary Tree
public class TreeNode
{
	// Data value
	public int data;
	// Indicates left and right subtree
	public TreeNode left;
	public TreeNode right;
	public TreeNode(int data)
	{
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
public class BinaryTree
{
	public TreeNode root;
	public TreeNode result;
	public BinaryTree()
	{
		this.root = null;
		this.result = null;
	}
	public void findMaxRightNode(TreeNode node)
	{
		if (node != null)
		{
			if (node.right != null)
			{
				// When current node have a right child exists
				if (this.result == null || 
                    this.result.data < node.right.data)
				{
					// Update result node
					this.result = node.right;
				}
			}
			// Visit left subtree
			this.findMaxRightNode(node.left);
			// Visit right subtree
			this.findMaxRightNode(node.right);
		}
	}
	public void maxRightChild()
	{
		this.result = null;
		this.findMaxRightNode(this.root);
		if (this.result == null)
		{
			// When no right child
			Console.WriteLine("None");
		}
		else
		{
			// Display calculated result
			Console.WriteLine(this.result.data);
		}
	}
	public static void Main(String[] args)
	{
		BinaryTree tree = new BinaryTree();
		/*
		  Binary Tree
		    -----------------------
		          1
		         /  \
		        11   3
		       /    /  \
		      4    5    6   
		     / \    \    \  
		    8   7    12   -4
		       / \       
		     -2   9    
		*/
		// Add Binary tree nodes
		tree.root = new TreeNode(1);
		tree.root.left = new TreeNode(11);
		tree.root.right = new TreeNode(3);
		tree.root.right.right = new TreeNode(6);
		tree.root.right.right.right = new TreeNode(-4);
		tree.root.right.left = new TreeNode(5);
		tree.root.left.left = new TreeNode(4);
		tree.root.left.left.left = new TreeNode(8);
		tree.root.left.left.right = new TreeNode(7);
		tree.root.left.left.right.left = new TreeNode(-2);
		tree.root.left.left.right.right = new TreeNode(9);
		tree.root.right.left.right = new TreeNode(12);
		/*
		          1          
		         /  \
		        11   3       
		       /    /  \
		      4    5    6    
		     / \    \    \   
		    8   7    12   -4  
		       / \   ↑   
		     -2   9      
		    ----------------------
		    Max right child node is : 12
		*/
		tree.maxRightChild();
	}
}

Output

12
<?php
// Php program for
// Find maximum among all right nodes in Binary Tree
class TreeNode
{
	// Data value
	public $data;
	// Indicates left and right subtree
	public $left;
	public $right;
	public	function __construct($data)
	{
		$this->data = $data;
		$this->left = NULL;
		$this->right = NULL;
	}
}
class BinaryTree
{
	public $root;
	public $result;
	public	function __construct()
	{
		$this->root = NULL;
		$this->result = NULL;
	}
	public	function findMaxRightNode($node)
	{
		if ($node != NULL)
		{
			if ($node->right != NULL)
			{
				// When current node have a right child exists
				if ($this->result == NULL || 
                    $this->result->data < $node->right->data)
				{
					// Update result node
					$this->result = $node->right;
				}
			}
			// Visit left subtree
			$this->findMaxRightNode($node->left);
			// Visit right subtree
			$this->findMaxRightNode($node->right);
		}
	}
	public	function maxRightChild()
	{
		$this->result = NULL;
		$this->findMaxRightNode($this->root);
		if ($this->result == NULL)
		{
			// When no right child
			echo("None\n");
		}
		else
		{
			// Display calculated result
			echo($this->result->data."\n");
		}
	}
}

function main()
{
	$tree = new BinaryTree();
	/*
	  Binary Tree
	    -----------------------
	          1
	         /  \
	        11   3
	       /    /  \
	      4    5    6   
	     / \    \    \  
	    8   7    12   -4
	       / \       
	     -2   9    
	*/
	// Add Binary tree nodes
	$tree->root = new TreeNode(1);
	$tree->root->left = new TreeNode(11);
	$tree->root->right = new TreeNode(3);
	$tree->root->right->right = new TreeNode(6);
	$tree->root->right->right->right = new TreeNode(-4);
	$tree->root->right->left = new TreeNode(5);
	$tree->root->left->left = new TreeNode(4);
	$tree->root->left->left->left = new TreeNode(8);
	$tree->root->left->left->right = new TreeNode(7);
	$tree->root->left->left->right->left = new TreeNode(-2);
	$tree->root->left->left->right->right = new TreeNode(9);
	$tree->root->right->left->right = new TreeNode(12);
	/*
	          1          
	         /  \
	        11   3       
	       /    /  \
	      4    5    6    
	     / \    \    \   
	    8   7    12   -4  
	       / \   ↑   
	     -2   9      
	    ----------------------
	    Max right child node is : 12
	*/
	$tree->maxRightChild();
}
main();

Output

12
// Node JS program for
// Find maximum among all right nodes in Binary Tree
class TreeNode
{
	constructor(data)
	{
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
class BinaryTree
{
	constructor()
	{
		this.root = null;
		this.result = null;
	}
	findMaxRightNode(node)
	{
		if (node != null)
		{
			if (node.right != null)
			{
				// When current node have a right child exists
				if (this.result == null || 
                    this.result.data < node.right.data)
				{
					// Update result node
					this.result = node.right;
				}
			}
			// Visit left subtree
			this.findMaxRightNode(node.left);
			// Visit right subtree
			this.findMaxRightNode(node.right);
		}
	}
	maxRightChild()
	{
		this.result = null;
		this.findMaxRightNode(this.root);
		if (this.result == null)
		{
			// When no right child
			console.log("None");
		}
		else
		{
			// Display calculated result
			console.log(this.result.data);
		}
	}
}

function main()
{
	var tree = new BinaryTree();
	/*
	  Binary Tree
	    -----------------------
	          1
	         /  \
	        11   3
	       /    /  \
	      4    5    6   
	     / \    \    \  
	    8   7    12   -4
	       / \       
	     -2   9    
	*/
	// Add Binary tree nodes
	tree.root = new TreeNode(1);
	tree.root.left = new TreeNode(11);
	tree.root.right = new TreeNode(3);
	tree.root.right.right = new TreeNode(6);
	tree.root.right.right.right = new TreeNode(-4);
	tree.root.right.left = new TreeNode(5);
	tree.root.left.left = new TreeNode(4);
	tree.root.left.left.left = new TreeNode(8);
	tree.root.left.left.right = new TreeNode(7);
	tree.root.left.left.right.left = new TreeNode(-2);
	tree.root.left.left.right.right = new TreeNode(9);
	tree.root.right.left.right = new TreeNode(12);
	/*
	          1          
	         /  \
	        11   3       
	       /    /  \
	      4    5    6    
	     / \    \    \   
	    8   7    12   -4  
	       / \   ↑   
	     -2   9      
	    ----------------------
	    Max right child node is : 12
	*/
	tree.maxRightChild();
}
main();

Output

12
#  Python 3 program for
#  Find maximum among all right nodes in Binary Tree
class TreeNode :
	#  Data value
	#  Indicates left and right subtree
	def __init__(self, data) :
		self.data = data
		self.left = None
		self.right = None
	

class BinaryTree :
	def __init__(self) :
		self.root = None
		self.result = None
	
	def findMaxRightNode(self, node) :
		if (node != None) :
			if (node.right != None) :
				#  When current node have a right child exists
				if (self.result == None or self.result.data < node.right.data) :
					#  Update result node
					self.result = node.right
				
			
			#  Visit left subtree
			self.findMaxRightNode(node.left)
			#  Visit right subtree
			self.findMaxRightNode(node.right)
		
	
	def maxRightChild(self) :
		self.result = None
		self.findMaxRightNode(self.root)
		if (self.result == None) :
			#  When no right child
			print("None")
		else :
			#  Display calculated result
			print(self.result.data)
		
	

def main() :
	tree = BinaryTree()
	#  Binary Tree
	#    -----------------------
	#          1
	#         /  \
	#        11   3
	#       /    /  \
	#      4    5    6   
	#     / \    \    \  
	#    8   7    12   -4
	#       / \       
	#     -2   9    
	#  Add Binary tree nodes
	tree.root = TreeNode(1)
	tree.root.left = TreeNode(11)
	tree.root.right = TreeNode(3)
	tree.root.right.right = TreeNode(6)
	tree.root.right.right.right = TreeNode(-4)
	tree.root.right.left = TreeNode(5)
	tree.root.left.left = TreeNode(4)
	tree.root.left.left.left = TreeNode(8)
	tree.root.left.left.right = TreeNode(7)
	tree.root.left.left.right.left = TreeNode(-2)
	tree.root.left.left.right.right = TreeNode(9)
	tree.root.right.left.right = TreeNode(12)
	#          1          
	#         /  \
	#        11   3       
	#       /    /  \
	#      4    5    6    
	#     / \    \    \   
	#    8   7    12   -4  
	#       / \   ↑   
	#     -2   9      
	#    ----------------------
	#    Max right child node is : 12
	tree.maxRightChild()

if __name__ == "__main__": main()

Output

12
#  Ruby program for
#  Find maximum among all right nodes in Binary Tree
class TreeNode 
	# Define the accessor and reader of class TreeNode
	attr_reader :data, :left, :right
	attr_accessor :data, :left, :right
	#  Data value
	#  Indicates left and right subtree
	def initialize(data) 
		self.data = data
		self.left = nil
		self.right = nil
	end

end

class BinaryTree 
	# Define the accessor and reader of class BinaryTree
	attr_reader :root, :result
	attr_accessor :root, :result
	def initialize() 
		self.root = nil
		self.result = nil
	end

	def findMaxRightNode(node) 
		if (node != nil) 
			if (node.right != nil) 
				#  When current node have a right child exists
				if (self.result == nil || 
                    self.result.data < node.right.data) 
					#  Update result node
					self.result = node.right
				end

			end

			#  Visit left subtree
			self.findMaxRightNode(node.left)
			#  Visit right subtree
			self.findMaxRightNode(node.right)
		end

	end

	def maxRightChild() 
		self.result = nil
		self.findMaxRightNode(self.root)
		if (self.result == nil) 
			#  When no right child
			print("None", "\n")
		else
 
			#  Display calculated result
			print(self.result.data, "\n")
		end

	end

end

def main() 
	tree = BinaryTree.new()
	#  Binary Tree
	#    -----------------------
	#          1
	#         /  \
	#        11   3
	#       /    /  \
	#      4    5    6   
	#     / \    \    \  
	#    8   7    12   -4
	#       / \       
	#     -2   9    
	#  Add Binary tree nodes
	tree.root = TreeNode.new(1)
	tree.root.left = TreeNode.new(11)
	tree.root.right = TreeNode.new(3)
	tree.root.right.right = TreeNode.new(6)
	tree.root.right.right.right = TreeNode.new(-4)
	tree.root.right.left = TreeNode.new(5)
	tree.root.left.left = TreeNode.new(4)
	tree.root.left.left.left = TreeNode.new(8)
	tree.root.left.left.right = TreeNode.new(7)
	tree.root.left.left.right.left = TreeNode.new(-2)
	tree.root.left.left.right.right = TreeNode.new(9)
	tree.root.right.left.right = TreeNode.new(12)
	#          1          
	#         /  \
	#        11   3       
	#       /    /  \
	#      4    5    6    
	#     / \    \    \   
	#    8   7    12   -4  
	#       / \   ↑   
	#     -2   9      
	#    ----------------------
	#    Max right child node is : 12
	tree.maxRightChild()
end

main()

Output

12

// Scala program for
// Find maximum among all right nodes in Binary Tree
class TreeNode(
	// Data value
	var data: Int,
		// Indicates left and right subtree
		var left: TreeNode,
			var right: TreeNode)
{
	def this(data: Int)
	{
		this(data, null, null);
	}
}
class BinaryTree(var root: TreeNode,
	var result: TreeNode)
{
	def this()
	{
		this(null, null);
	}
	def findMaxRightNode(node: TreeNode): Unit = {
		if (node != null)
		{
			if (node.right != null)
			{
				// When current node have a right child exists
				if (this.result == null || 
                    this.result.data < node.right.data)
				{
					// Update result node
					this.result = node.right;
				}
			}
			// Visit left subtree
			findMaxRightNode(node.left);
			// Visit right subtree
			findMaxRightNode(node.right);
		}
	}
	def maxRightChild(): Unit = {
		this.result = null;
		this.findMaxRightNode(this.root);
		if (this.result == null)
		{
			// When no right child
			println("None");
		}
		else
		{
			// Display calculated result
			println(this.result.data);
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var tree: BinaryTree = new BinaryTree();
		/*
		  Binary Tree
		    -----------------------
		          1
		         /  \
		        11   3
		       /    /  \
		      4    5    6   
		     / \    \    \  
		    8   7    12   -4
		       / \       
		     -2   9    
		*/
		// Add Binary tree nodes
		tree.root = new TreeNode(1);
		tree.root.left = new TreeNode(11);
		tree.root.right = new TreeNode(3);
		tree.root.right.right = new TreeNode(6);
		tree.root.right.right.right = new TreeNode(-4);
		tree.root.right.left = new TreeNode(5);
		tree.root.left.left = new TreeNode(4);
		tree.root.left.left.left = new TreeNode(8);
		tree.root.left.left.right = new TreeNode(7);
		tree.root.left.left.right.left = new TreeNode(-2);
		tree.root.left.left.right.right = new TreeNode(9);
		tree.root.right.left.right = new TreeNode(12);
		/*
		          1          
		         /  \
		        11   3       
		       /    /  \
		      4    5    6    
		     / \    \    \   
		    8   7    12   -4  
		       / \   ↑   
		     -2   9      
		    ----------------------
		    Max right child node is : 12
		*/
		tree.maxRightChild();
	}
}

Output

12
// Swift 4 program for
// Find maximum among all right nodes in Binary Tree
class TreeNode
{
	// Data value
	var data: Int;
	// Indicates left and right subtree
	var left: TreeNode? ;
	var right: TreeNode? ;
	init(_ data: Int)
	{
		self.data = data;
		self.left = nil;
		self.right = nil;
	}
}
class BinaryTree
{
	var root: TreeNode? ;
	var result: TreeNode? ;
	init()
	{
		self.root = nil;
		self.result = nil;
	}
	func findMaxRightNode(_ node: TreeNode? )
	{
		if (node  != nil)
		{
			if (node!.right  != nil)
			{
				// When current node have a right child exists
				if (self.result == nil || 
                    self.result!.data < node!.right!.data)
				{
					// Update result node
					self.result = node!.right;
				}
			}
			// Visit left subtree
			self.findMaxRightNode(node!.left);
			// Visit right subtree
			self.findMaxRightNode(node!.right);
		}
	}
	func maxRightChild()
	{
		self.result = nil;
		self.findMaxRightNode(self.root);
		if (self.result == nil)
		{
			// When no right child
			print("None");
		}
		else
		{
			// Display calculated result
			print(self.result!.data);
		}
	}
}
func main()
{
	let tree: BinaryTree = BinaryTree();
	/*
	  Binary Tree
	    -----------------------
	          1
	         /  \
	        11   3
	       /    /  \
	      4    5    6   
	     / \    \    \  
	    8   7    12   -4
	       / \       
	     -2   9    
	*/
	// Add Binary tree nodes
	tree.root = TreeNode(1);
	tree.root!.left = TreeNode(11);
	tree.root!.right = TreeNode(3);
	tree.root!.right!.right = TreeNode(6);
	tree.root!.right!.right!.right = TreeNode(-4);
	tree.root!.right!.left = TreeNode(5);
	tree.root!.left!.left = TreeNode(4);
	tree.root!.left!.left!.left = TreeNode(8);
	tree.root!.left!.left!.right = TreeNode(7);
	tree.root!.left!.left!.right!.left = TreeNode(-2);
	tree.root!.left!.left!.right!.right = TreeNode(9);
	tree.root!.right!.left!.right = TreeNode(12);
	/*
	          1          
	         /  \
	        11   3       
	       /    /  \
	      4    5    6    
	     / \    \    \   
	    8   7    12   -4  
	       / \   ↑   
	     -2   9      
	    ----------------------
	    Max right child node is : 12
	*/
	tree.maxRightChild();
}
main();

Output

12
// Kotlin program for
// Find maximum among all right nodes in Binary Tree
class TreeNode
{
	// Data value
	var data: Int;
	// Indicates left and right subtree
	var left: TreeNode ? ;
	var right: TreeNode ? ;
	constructor(data: Int)
	{
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
class BinaryTree
{
	var root: TreeNode ? ;
	var result: TreeNode ? ;
	constructor()
	{
		this.root = null;
		this.result = null;
	}
	fun findMaxRightNode(node: TreeNode ? ): Unit
	{
		if (node != null)
		{
			if (node.right != null)
			{
				// When current node have a right child exists
				if (this.result == null || 
                    this.result!!.data < node.right!!.data)
				{
					// Update result node
					this.result = node.right;
				}
			}
			// Visit left subtree
			this.findMaxRightNode(node.left);
			// Visit right subtree
			this.findMaxRightNode(node.right);
		}
	}
	fun maxRightChild(): Unit
	{
		this.result = null;
		this.findMaxRightNode(this.root);
		if (this.result == null)
		{
			// When no right child
			println("None");
		}
		else
		{
			// Display calculated result
			println(this.result?.data);
		}
	}
}
fun main(args: Array < String > ): Unit
{
	val tree: BinaryTree = BinaryTree();
	/*
	  Binary Tree
	    -----------------------
	          1
	         /  \
	        11   3
	       /    /  \
	      4    5    6   
	     / \    \    \  
	    8   7    12   -4
	       / \       
	     -2   9    
	*/
	// Add Binary tree nodes
	tree.root = TreeNode(1);
	tree.root?.left = TreeNode(11);
	tree.root?.right = TreeNode(3);
	tree.root?.right?.right = TreeNode(6);
	tree.root?.right?.right?.right = TreeNode(-4);
	tree.root?.right?.left = TreeNode(5);
	tree.root?.left?.left = TreeNode(4);
	tree.root?.left?.left?.left = TreeNode(8);
	tree.root?.left?.left?.right = TreeNode(7);
	tree.root?.left?.left?.right?.left = TreeNode(-2);
	tree.root?.left?.left?.right?.right = TreeNode(9);
	tree.root?.right?.left?.right = TreeNode(12);
	/*
	          1          
	         /  \
	        11   3       
	       /    /  \
	      4    5    6    
	     / \    \    \   
	    8   7    12   -4  
	       / \   ↑   
	     -2   9      
	    ----------------------
	    Max right child node is : 12
	*/
	tree.maxRightChild();
}

Output

12


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