Print all subtrees of given sum in binary tree

Here given code implementation process.

/*
    C Program 
    Print all subtrees of given sum in binary tree
*/
#include <stdio.h>

#include <stdlib.h>

//Binary Tree node
struct Node
{
	int data;
	struct Node *left, *right;
};
//This is creating a binary tree node and return new node
struct Node *get_node(int data)
{
	// Create dynamic node
	struct Node *new_node = (struct Node *) malloc(sizeof(struct Node));
	if (new_node != NULL)
	{
		//Set data and pointer values
		new_node->data = data;
		new_node->left = NULL;
		new_node->right = NULL;
	}
	else
	{
		//This is indicates, segmentation fault or memory overflow problem
		printf("Memory Overflow\n");
	}
	//return new node
	return new_node;
}
//Display inorder elements
void print_subtree(struct Node *node)
{
	if (node != NULL)
	{
		print_subtree(node->left);
		//Print node value
		printf("  %d", node->data);
		print_subtree(node->right);
	}
}
//Find subtree of given sum
int subtree_sum(struct Node *node, int sum)
{
	if (node == NULL)
	{
		return 0;
	}
	// calculate the sum of left and right subtree and current node
	int k = subtree_sum(node->left, sum) + subtree_sum(node->right, sum) + node->data;
	if (k == sum)
	{
		//When sum exist
		printf("\n");
		print_subtree(node);
	}
	return k;
}
// Handles the request to find subtree of given sum
void subtree(struct Node *root, int sum)
{
	if (root == NULL)
	{
		printf("\n Empty Tree \n");
	}
	else
	{
		printf("\n Subtree of sum %d are  ", sum);
		subtree_sum(root, sum);
		printf("\n");
	}
}
int main()
{
	struct Node *root = NULL;
	/* Binary Tree
	-----------------------
	              5
	           /    \
	          3      -2
	         / \     / \
	        2   2   2   10
	       /   / \     /  \
	      1  -4   2   1   -5
	                    
	*/
	//Add nodes
	root = get_node(5);
	root->left = get_node(3);
	root->right = get_node(-2);
	root->right->right = get_node(10);
	root->right->right->left = get_node(1);
	root->right->right->right = get_node(-5);
	root->right->left = get_node(2);
	root->left->left = get_node(2);
	root->left->left->left = get_node(1);
	root->left->right = get_node(2);
	root->left->right->left = get_node(-4);
	root->left->right->right = get_node(2);
	int sum = 6;
	subtree(root, sum);
	return 0;
}

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
/*
    Java Program 
    Print all subtrees of given sum in binary tree
*/

// Binary Tree node
class Node
{
	public int data;
	public Node left;
	public Node right;
	public Node(int data)
	{
		// Set node value
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
//Define Binary Tree 
public class BinaryTree
{
	public Node root;
	public BinaryTree()
	{
		//Set root of tree
		this.root = null;
	}
	//Display inorder elements
	public void print_subtree(Node node)
	{
		if (node != null)
		{
			print_subtree(node.left);
			//Print node value
			System.out.print("  " + node.data);
			print_subtree(node.right);
		}
	}
	// Print all subtrees with given sum in a Binary Tree
	public int subtree_sum(Node node, int sum)
	{
		if (node == null)
		{
			return 0;
		}
		// calculate the sum of left and right subtree and current node
		int k = subtree_sum(node.left, sum) + subtree_sum(node.right, sum) + node.data;
		if (k == sum)
		{
			//When sum exist
			System.out.print("\n");
			print_subtree(node);
		}
		return k;
	}
	// Handles the request to find subtree of given sum
	public void subtree(int sum)
	{
		if (this.root == null)
		{
			System.out.print("\n Empty Tree \n");
		}
		else
		{
			System.out.print("\n Subtree of sum " + sum + " are ");
			subtree_sum(this.root, sum);
			System.out.print("\n");
		}
	}
	public static void main(String[] args)
	{
		//Create tree object
		BinaryTree tree = new BinaryTree();
		/* Binary Tree
		    -----------------------
		                  5
		               /    \
		              3      -2
		             / \     / \
		            2   2   2   10
		           /   / \     /  \
		          1  -4   2   1   -5
		                        
		*/
		//Add nodes
		tree.root = new Node(5);
		tree.root.left = new Node(3);
		tree.root.right = new Node(-2);
		tree.root.right.right = new Node(10);
		tree.root.right.right.left = new Node(1);
		tree.root.right.right.right = new Node(-5);
		tree.root.right.left = new Node(2);
		tree.root.left.left = new Node(2);
		tree.root.left.left.left = new Node(1);
		tree.root.left.right = new Node(2);
		tree.root.left.right.left = new Node(-4);
		tree.root.left.right.right = new Node(2);
		int sum = 6;
		tree.subtree(sum);
	}
}

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
// Include header file
#include <iostream>
using namespace std;

//   C++ Program 
//   Print all subtrees of given sum in binary tree

//  Binary Tree node
class Node
{
	public: int data;
	Node *left;
	Node *right;
	Node(int data)
	{
		//  Set node value
		this->data = data;
		this->left = NULL;
		this->right = NULL;
	}
};
// Define Binary Tree
class BinaryTree
{
	public: Node *root;
	BinaryTree()
	{
		// Set root of tree
		this->root = NULL;
	}
	// Display inorder elements
	void print_subtree(Node *node)
	{
		if (node != NULL)
		{
			this->print_subtree(node->left);
			// Print node value
			cout << "  " << node->data;
			this->print_subtree(node->right);
		}
	}
	//  Print all subtrees with given sum in a Binary Tree
	int subtree_sum(Node *node, int sum)
	{
		if (node == NULL)
		{
			return 0;
		}
		//  calculate the sum of left and right subtree and current node
		int k = this->subtree_sum(node->left, sum) + this->subtree_sum(node->right, sum) + node->data;
		if (k == sum)
		{
			// When sum exist
			cout << "\n";
			this->print_subtree(node);
		}
		return k;
	}
	//  Handles the request to find subtree of given sum
	void subtree(int sum)
	{
		if (this->root == NULL)
		{
			cout << "\n Empty Tree \n";
		}
		else
		{
			cout << "\n Subtree of sum " << sum << " are ";
			this->subtree_sum(this->root, sum);
			cout << "\n";
		}
	}
};
int main()
{
	// Create tree object
	BinaryTree tree = BinaryTree();
	//  Binary Tree
	// 		    -----------------------
	// 		                  5
	// 		               /    \
	// 		              3      -2
	// 		             / \     / \
	// 		            2   2   2   10
	// 		           /   / \     /  \
	// 		          1  -4   2   1   -5
	// 		                        
	// 		
	// Add nodes
	tree.root = new Node(5);
	tree.root->left = new Node(3);
	tree.root->right = new Node(-2);
	tree.root->right->right = new Node(10);
	tree.root->right->right->left = new Node(1);
	tree.root->right->right->right = new Node(-5);
	tree.root->right->left = new Node(2);
	tree.root->left->left = new Node(2);
	tree.root->left->left->left = new Node(1);
	tree.root->left->right = new Node(2);
	tree.root->left->right->left = new Node(-4);
	tree.root->left->right->right = new Node(2);
	int sum = 6;
	tree.subtree(sum);
	return 0;
}

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
// Include namespace system
using System;
//  C# Program 
//  Print all subtrees of given sum in binary tree

//  Binary Tree node
public class Node
{
	public int data;
	public Node left;
	public Node right;
	public Node(int data)
	{
		//  Set node value
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
// Define Binary Tree
public class BinaryTree
{
	public Node root;
	public BinaryTree()
	{
		// Set root of tree
		this.root = null;
	}
	// Display inorder elements
	public void print_subtree(Node node)
	{
		if (node != null)
		{
			print_subtree(node.left);
			// Print node value
			Console.Write("  " + node.data);
			print_subtree(node.right);
		}
	}
	//  Print all subtrees with given sum in a Binary Tree
	public int subtree_sum(Node node, int sum)
	{
		if (node == null)
		{
			return 0;
		}
		//  calculate the sum of left and right subtree and current node
		int k = subtree_sum(node.left, sum) + subtree_sum(node.right, sum) + node.data;
		if (k == sum)
		{
			// When sum exist
			Console.Write("\n");
			print_subtree(node);
		}
		return k;
	}
	//  Handles the request to find subtree of given sum
	public void subtree(int sum)
	{
		if (this.root == null)
		{
			Console.Write("\n Empty Tree \n");
		}
		else
		{
			Console.Write("\n Subtree of sum " + sum + " are ");
			subtree_sum(this.root, sum);
			Console.Write("\n");
		}
	}
	public static void Main(String[] args)
	{
		// Create tree object
		BinaryTree tree = new BinaryTree();
		//  Binary Tree
		// 		    -----------------------
		// 		                  5
		// 		               /    \
		// 		              3      -2
		// 		             / \     / \
		// 		            2   2   2   10
		// 		           /   / \     /  \
		// 		          1  -4   2   1   -5
		// 		                        
		// 		
		// Add nodes
		tree.root = new Node(5);
		tree.root.left = new Node(3);
		tree.root.right = new Node(-2);
		tree.root.right.right = new Node(10);
		tree.root.right.right.left = new Node(1);
		tree.root.right.right.right = new Node(-5);
		tree.root.right.left = new Node(2);
		tree.root.left.left = new Node(2);
		tree.root.left.left.left = new Node(1);
		tree.root.left.right = new Node(2);
		tree.root.left.right.left = new Node(-4);
		tree.root.left.right.right = new Node(2);
		int sum = 6;
		tree.subtree(sum);
	}
}

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
<?php
//  Php Program 
//  Print all subtrees of given sum in binary tree

//  Binary Tree node
class Node
{
	public $data;
	public $left;
	public $right;

	function __construct($data)
	{
		//  Set node value
		$this->data = $data;
		$this->left = null;
		$this->right = null;
	}
}
// Define Binary Tree
class BinaryTree
{
	public $root;

	function __construct()
	{
		// Set root of tree
		$this->root = null;
	}
	// Display inorder elements
	public	function print_subtree($node)
	{
		if ($node != null)
		{
			$this->print_subtree($node->left);
			// Print node value
			echo "  ". $node->data;
			$this->print_subtree($node->right);
		}
	}
	//  Print all subtrees with given sum in a Binary Tree
	public	function subtree_sum($node, $sum)
	{
		if ($node == null)
		{
			return 0;
		}
		//  calculate the sum of left and right subtree and current node
		$k = $this->subtree_sum($node->left, $sum) + $this->subtree_sum($node->right, $sum) + $node->data;
		if ($k == $sum)
		{
			// When sum exist
			echo "\n";
			$this->print_subtree($node);
		}
		return $k;
	}
	//  Handles the request to find subtree of given sum
	public	function subtree($sum)
	{
		if ($this->root == null)
		{
			echo "\n Empty Tree \n";
		}
		else
		{
			echo "\n Subtree of sum ". $sum ." are ";
			$this->subtree_sum($this->root, $sum);
			echo "\n";
		}
	}
}

function main()
{
	// Create tree object
	$tree = new BinaryTree();
	//  Binary Tree
	// 		    -----------------------
	// 		                  5
	// 		               /    \
	// 		              3      -2
	// 		             / \     / \
	// 		            2   2   2   10
	// 		           /   / \     /  \
	// 		          1  -4   2   1   -5
	// 		                        
	// 		
	// Add nodes
	$tree->root = new Node(5);
	$tree->root->left = new Node(3);
	$tree->root->right = new Node(-2);
	$tree->root->right->right = new Node(10);
	$tree->root->right->right->left = new Node(1);
	$tree->root->right->right->right = new Node(-5);
	$tree->root->right->left = new Node(2);
	$tree->root->left->left = new Node(2);
	$tree->root->left->left->left = new Node(1);
	$tree->root->left->right = new Node(2);
	$tree->root->left->right->left = new Node(-4);
	$tree->root->left->right->right = new Node(2);
	$sum = 6;
	$tree->subtree($sum);
}
main();

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
//  Node Js Program 
//  Print all subtrees of given sum in binary tree

//  Binary Tree node
class Node
{
	constructor(data)
	{
		//  Set node value
		this.data = data;
		this.left = null;
		this.right = null;
	}
}
// Define Binary Tree
class BinaryTree
{
	constructor()
	{
		// Set root of tree
		this.root = null;
	}
	// Display inorder elements
	print_subtree(node)
	{
		if (node != null)
		{
			this.print_subtree(node.left);
			// Print node value
			process.stdout.write("  " + node.data);
			this.print_subtree(node.right);
		}
	}
	//  Print all subtrees with given sum in a Binary Tree
	subtree_sum(node, sum)
	{
		if (node == null)
		{
			return 0;
		}
		//  calculate the sum of left and right subtree and current node
		var k = this.subtree_sum(node.left, sum) + this.subtree_sum(node.right, sum) + node.data;
		if (k == sum)
		{
			// When sum exist
			process.stdout.write("\n");
			this.print_subtree(node);
		}
		return k;
	}
	//  Handles the request to find subtree of given sum
	subtree(sum)
	{
		if (this.root == null)
		{
			process.stdout.write("\n Empty Tree \n");
		}
		else
		{
			process.stdout.write("\n Subtree of sum " + sum + " are ");
			this.subtree_sum(this.root, sum);
			process.stdout.write("\n");
		}
	}
}

function main()
{
	// Create tree object
	var tree = new BinaryTree();
	//  Binary Tree
	// 		    -----------------------
	// 		                  5
	// 		               /    \
	// 		              3      -2
	// 		             / \     / \
	// 		            2   2   2   10
	// 		           /   / \     /  \
	// 		          1  -4   2   1   -5
	// 		                        
	// 		
	// Add nodes
	tree.root = new Node(5);
	tree.root.left = new Node(3);
	tree.root.right = new Node(-2);
	tree.root.right.right = new Node(10);
	tree.root.right.right.left = new Node(1);
	tree.root.right.right.right = new Node(-5);
	tree.root.right.left = new Node(2);
	tree.root.left.left = new Node(2);
	tree.root.left.left.left = new Node(1);
	tree.root.left.right = new Node(2);
	tree.root.left.right.left = new Node(-4);
	tree.root.left.right.right = new Node(2);
	var sum = 6;
	tree.subtree(sum);
}
main();

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
#     Python 3 Program 
#     Print all subtrees of given sum in binary tree

#  Binary Tree node
class Node :
	
	def __init__(self, data) :
		#  Set node value
		self.data = data
		self.left = None
		self.right = None
	

# Define Binary Tree 
class BinaryTree :
	
	def __init__(self) :
		# Set root of tree
		self.root = None
	
	# Display inorder elements
	def print_subtree(self, node) :
		if (node != None) :
			self.print_subtree(node.left)
			# Print node value
			print("  ", node.data, end = "")
			self.print_subtree(node.right)
		
	
	#  Print all subtrees with given sum in a Binary Tree
	def subtree_sum(self, node, sum) :
		if (node == None) :
			return 0
		
		#  calculate the sum of left and right subtree and current node
		k = self.subtree_sum(node.left, sum) + self.subtree_sum(node.right, sum) + node.data
		if (k == sum) :
			# When sum exist
			print("\n", end = "")
			self.print_subtree(node)
		
		return k
	
	#  Handles the request to find subtree of given sum
	def subtree(self, sum) :
		if (self.root == None) :
			print("\n Empty Tree \n", end = "")
		else :
			print("\n Subtree of sum ", sum ," are ", end = "")
			self.subtree_sum(self.root, sum)
			print("\n", end = "")
		
	

def main() :
	# Create tree object
	tree = BinaryTree()
	#  Binary Tree
	# 		    -----------------------
	# 		                  5
	# 		               /    \
	# 		              3      -2
	# 		             / \     / \
	# 		            2   2   2   10
	# 		           /   / \     /  \
	# 		          1  -4   2   1   -5
	# 		                        
	# 		
	
	# Add nodes
	tree.root = Node(5)
	tree.root.left = Node(3)
	tree.root.right = Node(-2)
	tree.root.right.right = Node(10)
	tree.root.right.right.left = Node(1)
	tree.root.right.right.right = Node(-5)
	tree.root.right.left = Node(2)
	tree.root.left.left = Node(2)
	tree.root.left.left.left = Node(1)
	tree.root.left.right = Node(2)
	tree.root.left.right.left = Node(-4)
	tree.root.left.right.right = Node(2)
	sum = 6
	tree.subtree(sum)

if __name__ == "__main__": main()

Output

 Subtree of sum  6  are
   1   2   3   -4   2   2
   1   10   -5
   2   -2   1   10   -5
#     Ruby Program 
#     Print all subtrees of given sum in binary tree

#  Binary Tree node
class Node  
	# Define the accessor and reader of class Node  
	attr_reader :data, :left, :right
	attr_accessor :data, :left, :right
 
	
	def initialize(data) 
		#  Set node value
		self.data = data
		self.left = nil
		self.right = nil
	end

end

# Define Binary Tree 
class BinaryTree  
	# Define the accessor and reader of class BinaryTree  
	attr_reader :root
	attr_accessor :root
 
	
	def initialize() 
		# Set root of tree
		self.root = nil
	end

	# Display inorder elements
	def print_subtree(node) 
		if (node != nil) 
			self.print_subtree(node.left)
			# Print node value
			print("  ", node.data)
			self.print_subtree(node.right)
		end

	end

	#  Print all subtrees with given sum in a Binary Tree
	def subtree_sum(node, sum) 
		if (node == nil) 
			return 0
		end

		#  calculate the sum of left and right subtree and current node
		k = self.subtree_sum(node.left, sum) + self.subtree_sum(node.right, sum) + node.data
		if (k == sum) 
			# When sum exist
			print("\n")
			self.print_subtree(node)
		end

		return k
	end

	#  Handles the request to find subtree of given sum
	def subtree(sum) 
		if (self.root == nil) 
			print("\n Empty Tree \n")
		else 
			print("\n Subtree of sum ", sum ," are ")
			self.subtree_sum(self.root, sum)
			print("\n")
		end

	end

end

def main() 
	# Create tree object
	tree = BinaryTree.new()
	#  Binary Tree
	# 		    -----------------------
	# 		                  5
	# 		               /    \
	# 		              3      -2
	# 		             / \     / \
	# 		            2   2   2   10
	# 		           /   / \     /  \
	# 		          1  -4   2   1   -5
	# 		                        
	# 		
	
	# Add nodes
	tree.root = Node.new(5)
	tree.root.left = Node.new(3)
	tree.root.right = Node.new(-2)
	tree.root.right.right = Node.new(10)
	tree.root.right.right.left = Node.new(1)
	tree.root.right.right.right = Node.new(-5)
	tree.root.right.left = Node.new(2)
	tree.root.left.left = Node.new(2)
	tree.root.left.left.left = Node.new(1)
	tree.root.left.right = Node.new(2)
	tree.root.left.right.left = Node.new(-4)
	tree.root.left.right.right = Node.new(2)
	sum = 6
	tree.subtree(sum)
end

main()

Output

 Subtree of sum 6 are 
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
//  Scala Program 
//  Print all subtrees of given sum in binary tree

//  Binary Tree node
class Node(var data: Int , var left: Node , var right: Node)
{
	def this(data: Int)
	{
		this(data, null, null);
	}
}
// Define Binary Tree
class BinaryTree(var root: Node)
{
	def this()
	{
		this(null);
	}
	// Display inorder elements
	def print_subtree(node: Node): Unit = {
		if (node != null)
		{
			print_subtree(node.left);
			// Print node value
			print("  " + node.data);
			print_subtree(node.right);
		}
	}
	//  Print all subtrees with given sum in a Binary Tree
	def subtree_sum(node: Node, sum: Int): Int = {
		if (node == null)
		{
			return 0;
		}
		//  calculate the sum of left and right subtree and current node
		var k: Int = subtree_sum(node.left, sum) + subtree_sum(node.right, sum) + node.data;
		if (k == sum)
		{
			// When sum exist
			print("\n");
			print_subtree(node);
		}
		return k;
	}
	//  Handles the request to find subtree of given sum
	def subtree(sum: Int): Unit = {
		if (this.root == null)
		{
			print("\n Empty Tree \n");
		}
		else
		{
			print("\n Subtree of sum " + sum + " are ");
			subtree_sum(this.root, sum);
			print("\n");
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		// Create tree object
		var tree: BinaryTree = new BinaryTree();
		//  Binary Tree
		// 		    -----------------------
		// 		                  5
		// 		               /    \
		// 		              3      -2
		// 		             / \     / \
		// 		            2   2   2   10
		// 		           /   / \     /  \
		// 		          1  -4   2   1   -5
		// 		                        
		// 		
		// Add nodes
		tree.root = new Node(5);
		tree.root.left = new Node(3);
		tree.root.right = new Node(-2);
		tree.root.right.right = new Node(10);
		tree.root.right.right.left = new Node(1);
		tree.root.right.right.right = new Node(-5);
		tree.root.right.left = new Node(2);
		tree.root.left.left = new Node(2);
		tree.root.left.left.left = new Node(1);
		tree.root.left.right = new Node(2);
		tree.root.left.right.left = new Node(-4);
		tree.root.left.right.right = new Node(2);
		var sum: Int = 6;
		tree.subtree(sum);
	}
}

Output

 Subtree of sum 6 are
  1  2  3  -4  2  2
  1  10  -5
  2  -2  1  10  -5
//  Swift 4 Program 
//  Print all subtrees of given sum in binary tree

//  Binary Tree node
class Node
{
	var data: Int;
	var left: Node? ;
	var right: Node? ;
	init(_ data: Int)
	{
		//  Set node value
		self.data = data;
		self.left = nil;
		self.right = nil;
	}
}
// Define Binary Tree
class BinaryTree
{
	var root: Node? ;
	init()
	{
		// Set root of tree
		self.root = nil;
	}
	// Display inorder elements
	func print_subtree(_ node: Node? )
	{
		if (node != nil)
		{
			self.print_subtree(node!.left);
			// Print node value
			print("  ", node!.data, terminator: "");
			self.print_subtree(node!.right);
		}
	}
	//  Print all subtrees with given sum in a Binary Tree
	func subtree_sum(_ node: Node? , _ sum : Int)->Int
	{
		if (node == nil)
		{
			return 0;
		}
		//  calculate the sum of left and right subtree and current node
		let k: Int = self.subtree_sum(node!.left, sum) + self.subtree_sum(node!.right, sum) + node!.data;
		if (k == sum)
		{
			// When sum exist
			print("\n", terminator: "");
			self.print_subtree(node);
		}
		return k;
	}
	//  Handles the request to find subtree of given sum
	func subtree(_ sum: Int)
	{
		if (self.root == nil)
		{
			print("\n Empty Tree \n", terminator: "");
		}
		else
		{
			print("\n Subtree of sum ", sum ," are ", terminator: "");
			let _ = self.subtree_sum(self.root, sum);
			print("\n", terminator: "");
		}
	}
}
func main()
{
	// Create tree object
	let tree: BinaryTree = BinaryTree();
	//  Binary Tree
	// 		    -----------------------
	// 		                  5
	// 		               /    \
	// 		              3      -2
	// 		             / \     / \
	// 		            2   2   2   10
	// 		           /   / \     /  \
	// 		          1  -4   2   1   -5
	// 		                        
	// 		
	// Add nodes
	tree.root = Node(5);
	tree.root!.left = Node(3);
	tree.root!.right = Node(-2);
	tree.root!.right!.right = Node(10);
	tree.root!.right!.right!.left = Node(1);
	tree.root!.right!.right!.right = Node(-5);
	tree.root!.right!.left = Node(2);
	tree.root!.left!.left = Node(2);
	tree.root!.left!.left!.left = Node(1);
	tree.root!.left!.right = Node(2);
	tree.root!.left!.right!.left = Node(-4);
	tree.root!.left!.right!.right = Node(2);
	let sum: Int = 6;
	tree.subtree(sum);
}
main();

Output

 Subtree of sum  6  are
   1   2   3   -4   2   2
   1   10   -5
   2   -2   1   10   -5


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