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Print all nodes less than a given value in a Min Heap

Here given code implementation process.

/*
  C++ program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
#include<iostream>

using namespace std;
class Node {
	public:

	//Left and right child
	Node *left;
	Node *right;
	//Data value
	int key;
	Node(int key) {
		this->key = key;
		this->left = NULL;
		this->right = NULL;
	}
};
class MinHeap {
	public:

		//This is use to store information of number of nodes in Min heap
		int size;
	Node *root;
	MinHeap() {
		this->root = NULL;
		this->size = 0;
	}
	//Get height of insert new node
	int insert_height() {
		int i = 1;
		int sum = 0;
		while (this->size > sum + (1 << i)) {
			sum += (1 << i);
			i++;
		}
		return i;
	}
	void swap_node(Node *first, Node *second) {
		int key = first->key;
		first->key = second->key;
		second->key = key;
	}
	//Arrange node key
	void arrange_node(Node *root) {
		if (root->left != NULL && root->left->key < root->key) {
			this->swap_node(root, root->left);
		}
		if (root->right != NULL && root->right->key < root->key) {
			this->swap_node(root, root->right);
		}
	}
	bool add_node(Node *root, int height, int level, int key) {
		if (level >= height) {
			return false;
		}
		if (root != NULL) {
			if (level - 1 == height && root->left == NULL || root->right == NULL) {
				if (root->left == NULL) {
					root->left = new Node(key);
				} else {
					root->right = new Node(key);
				}
				this->arrange_node(root);
				return true;
			}
			if (this->add_node(root->left, height, level + 1, key) || 
                this->add_node(root->right, height, level + 1, key)) {
				//Check effect of new inserted node
				this->arrange_node(root);
				return true;
			}
		}
		return false;
	}
	//Handles the request to new inserting node
	void insert(int key) {
		if (this->root == NULL) {
			this->root = new Node(key);
		} else
		if (this->root->left == NULL) {
			this->root->left = new Node(key);
			this->arrange_node(this->root);
		} else
		if (this->root->right == NULL) {
			this->root->right = new Node(key);
			this->arrange_node(this->root);
		} else {
			int height = this->insert_height();
			this->add_node(this->root, height, 0, key);
		}
		this->size++;
	}
	void print_node(Node *root, int key) {
		if (root != NULL) {
			this->print_node(root->left, key);
			if (root->key < key) {
				cout << " " << root->key;
			}
			this->print_node(root->right, key);
		}
	}
};
int main() {
	MinHeap heap =  MinHeap();
	//Construct first Min heap tree
	heap.insert(5);
	heap.insert(7);
	heap.insert(4);
	heap.insert(3);
	heap.insert(8);
	heap.insert(14);
	heap.insert(2);
	heap.insert(1);
	heap.insert(6);
	heap.insert(11);
	heap.insert(9);
	/*After insert element*/
	/*
	               1
	             /    \
	            2      3 
	          /  \    /  \
	         4    8  14   5
	        / \   /\ 
	       7   6 11 9
	    */
	int k = 10;
	heap.print_node(heap.root, k);
	return 0;
}

Output

 7 4 6 2 8 9 1 3 5
/*
  Java program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
class Node
{
  //Left and right child
  public Node left;
  public Node right;

  //Data value
  public int key;

  public Node(int key)
  {
    this.key = key;

    left = null;
    right = null;
  }
}
public class MinHeap 
{ 
  //This is use to store information of number of nodes in Min heap
  public int size;

  public Node root; 

  public MinHeap()
  {
      root = null;

      size = 0;
  }
  
  //Get height of insert new node
  public int insert_height()
  {
    int i=1;

    int sum=0;

    while(this.size > sum+(1<<i) )
    {
      sum += (1<<i);
      i++;
    }
    return i;
  }
  public  void swap_node(Node first,Node second)
  {
    int key = first.key;

    first.key = second.key;
    second.key = key;
  }
  //Arrange node key
  public void arrange_node(Node root)
  {
     
    if(root.left!=null && root.left.key < root.key)
    {
       swap_node(root,root.left);
    }
    if(root.right!=null && root.right.key < root.key)
    {
       swap_node(root,root.right);
    }
  }
  public boolean  add_node(Node root, int height ,int level,int key)
  {
    if(level >= height )
    {
      return false;
    }
    if(root != null)
    {
      
      if(level-1 == height && root.left == null || root.right == null)
      {
        if(root.left==null)
        {
            root.left=new Node(key);
        }
        else
        {
            root.right=new Node(key);
        }

        arrange_node(root);

        return true;
      }

      if(add_node(root.left, height, level+1,key) || add_node(root.right, height,level+1,key))
      {
        //Check effect of new inserted node
        arrange_node(root);

        return true;
      }

         
    }
    return false;
  }
  //Handles the request to new inserting node
  public void insert(int key)
  {
      
      if(root==null)
      {
          root=new Node(key);
      }
      else if(root.left==null)
      {
          root.left = new Node(key);
          arrange_node(root);

      }
      else if(root.right==null)
      {
          root.right = new Node(key);
          arrange_node(root);
      }
      else
      {
        int height = insert_height();
      
        add_node(root,height, 0,key);
      }
      this.size++;
  }

  public void print_node(Node root,int key)
  {
    if(root!=null)
    {

      
      print_node(root.left,key);

      if(root.key < key)
      {
         System.out.print("  "+root.key);
      }
      
      print_node(root.right,key);
    }
  }

 
  public static void main(String[] args) 
  {

    MinHeap heap= new MinHeap();

     //Construct first Min heap tree
    heap.insert(5);
    heap.insert(7);
    heap.insert(4);
    heap.insert(3);
    heap.insert(8);
    heap.insert(14);
    heap.insert(2);
    heap.insert(1);
    heap.insert(6);
    heap.insert(11);
    heap.insert(9);

    /*After insert element*/

    /*
               1
             /    \
            2      3 
          /  \    /  \
         4    8  14   5
        / \   /\ 
       7   6 11 9
    */

    int k = 10;

    heap.print_node(heap.root,k);


    
  }
}

Output

 7 4 6 2 8 9 1 3 5
/*
  C# program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
using System;
public class Node {
	//Left and right child
	public Node left;
	public Node right;
	//Data value
	public int key;
	public Node(int key) {
		this.key = key;
		left = null;
		right = null;
	}
}
public class MinHeap {
	//This is use to store information of number of nodes in Min heap
	public int size;
	public Node root;
	public MinHeap() {
		root = null;
		size = 0;
	}
	//Get height of insert new node
	public int insert_height() {
		int i = 1;
		int sum = 0;
		while (this.size > sum + (1 << i)) {
			sum += (1 << i);
			i++;
		}
		return i;
	}
	public void swap_node(Node first, Node second) {
		int key = first.key;
		first.key = second.key;
		second.key = key;
	}
	//Arrange node key
	public void arrange_node(Node root) {
		if (root.left != null && root.left.key < root.key) {
			swap_node(root, root.left);
		}
		if (root.right != null && root.right.key < root.key) {
			swap_node(root, root.right);
		}
	}
	public Boolean add_node(Node root, int height, int level, int key) {
		if (level >= height) {
			return false;
		}
		if (root != null) {
			if (level - 1 == height && root.left == null || root.right == null) {
				if (root.left == null) {
					root.left = new Node(key);
				} else {
					root.right = new Node(key);
				}
				arrange_node(root);
				return true;
			}
			if (add_node(root.left, height, level + 1, key) || add_node(root.right, height, level + 1, key)) {
				arrange_node(root);
				return true;
			}
		}
		return false;
	}
	//Handles the request to new inserting node
	public void insert(int key) {
		if (root == null) {
			root = new Node(key);
		} else
		if (root.left == null) {
			root.left = new Node(key);
			arrange_node(root);
		} else
		if (root.right == null) {
			root.right = new Node(key);
			arrange_node(root);
		} else {
			int height = insert_height();
			add_node(root, height, 0, key);
		}
		this.size++;
	}
	public void print_node(Node root, int key) {
		if (root != null) {
			print_node(root.left, key);
			if (root.key < key) {
				Console.Write(" " + root.key);
			}
			print_node(root.right, key);
		}
	}
	public static void Main(String[] args) {
		MinHeap heap = new MinHeap();
		heap.insert(5);
		heap.insert(7);
		heap.insert(4);
		heap.insert(3);
		heap.insert(8);
		heap.insert(14);
		heap.insert(2);
		heap.insert(1);
		heap.insert(6);
		heap.insert(11);
		heap.insert(9);
		/*After insert element*/
		/*
		               1
		             /    \
		            2      3 
		          /  \    /  \
		         4    8  14   5
		        / \   /\ 
		       7   6 11 9
		    */
		int k = 10;
		heap.print_node(heap.root, k);
	}
}

Output

 7 4 6 2 8 9 1 3 5
<?php
/*
  Php program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
class Node {
	//Left and right child

	public $left;
	public $right;
	//Data value

	public $key;

	function __construct($key) {
		$this->key = $key;
		$this->left = null;
		$this->right = null;
	}
}
class MinHeap {
	//This is use to store information of number of nodes in Min heap

	public $size;
	public $root;

	function __construct() {
		$this->root = null;
		$this->size = 0;
	}
	//Get height of insert new node

	public 	function insert_height() {
		$i = 1;
		$sum = 0;
		while ($this->size > $sum + (1 << $i)) {
			$sum += (1 << $i);
			$i++;
		}
		return $i;
	}
	public 	function swap_node($first, $second) {
		$data = $first->key;
		$first->key = $second->key;
		$second->key = $data;
	}
	//Arrange node key

	public 	function arrange_node($root) {
		if ($root->left != null && $root->left->key < $root->key) {
			$this->swap_node($root, $root->left);
		}
		if ($root->right != null && $root->right->key < $root->key) {
			$this->swap_node($root, $root->right);
		}
	}
	public 	function add_node($root, $height, $level, $key) {
		if ($level >= $height) {
			return false;
		}
		if ($root != null) {
			if ($level - 1 == $height && $root->left == null || $root->right == null) {
				if ($root->left == null) {
					$root->left = new Node($key);
				} else {
					$root->right = new Node($key);
				}
				$this->arrange_node($root);
				return true;
			}
			if ($this->add_node($root->left, $height, $level + 1, $key) || $this->add_node($root->right, $height, $level + 1, $key)) {
				//Check effect of new inserted node
				$this->arrange_node($root);
				return true;
			}
		}
		return false;
	}
	//Handles the request to new inserting node

	public 	function insert($key) {
		if ($this->root == null) {
			$this->root = new Node($key);
		} else
		if ($this->root->left == null) {
			$this->root->left = new Node($key);
			$this->arrange_node($this->root);
		} else
		if ($this->root->right == null) {
			$this->root->right = new Node($key);
			$this->arrange_node($this->root);
		} else {
			$height = $this->insert_height();
			$this->add_node($this->root, $height, 0, $key);
		}
		$this->size++;
	}
	public 	function print_node($root, $key) {
		if ($root != null) {
			$this->print_node($root->left, $key);
			if ($root->key < $key) {
				echo(" ". $root->key);
			}
			$this->print_node($root->right, $key);
		}
	}
}

function main() {
	$heap = new MinHeap();
	//Construct first Min heap tree

	$heap->insert(5);
	$heap->insert(7);
	$heap->insert(4);
	$heap->insert(3);
	$heap->insert(8);
	$heap->insert(14);
	$heap->insert(2);
	$heap->insert(1);
	$heap->insert(6);
	$heap->insert(11);
	$heap->insert(9);
	/*After insert element*/
	/*
	               1
	             /    \
	            2      3 
	          /  \    /  \
	         4    8  14   5
	        / \   /\ 
	       7   6 11 9
	    */
	$k = 10;
	$heap->print_node($heap->root, $k);

}
main();

Output

 7 4 6 2 8 9 1 3 5
/*
  Node Js program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
class Node {

	constructor(key) {
		this.key = key;
		this.left = null;
		this.right = null;
	}
}
class MinHeap {

	constructor() {
		this.root = null;
		this.size = 0;
	}

	//Get height of insert new node
	insert_height() {
		var i = 1;
		var sum = 0;
		while (this.size > sum + (1 << i)) {
			sum += (1 << i);
			i++;
		}

		return i;
	}
	swap_node(first, second) {
		var data = first.key;
		first.key = second.key;
		second.key = data;
	}

	//Arrange node key
	arrange_node(root) {
		if (root.left != null && root.left.key < root.key) {
			this.swap_node(root, root.left);
		}

		if (root.right != null && root.right.key < root.key) {
			this.swap_node(root, root.right);
		}
	}
	add_node(root, height, level, key) {
		if (level >= height) {
			return false;
		}

		if (root != null) {
			if (level - 1 == height && root.left == null || root.right == null) {
				if (root.left == null) {
					root.left = new Node(key);
				} else {
					root.right = new Node(key);
				}
				this.arrange_node(root);
				return true;
			}

			if (this.add_node(root.left, height, level + 1, key) || this.add_node(root.right, height, level + 1, key)) {
				//Check effect of new inserted node
				this.arrange_node(root);
				return true;
			}
		}

		return false;
	}

	//Handles the request to new inserting node
	insert(key) {
		if (this.root == null) {
			this.root = new Node(key);
		} else
		if (this.root.left == null) {
			this.root.left = new Node(key);
			this.arrange_node(this.root);
		} else
		if (this.root.right == null) {
			this.root.right = new Node(key);
			this.arrange_node(this.root);
		} else {
			var height = this.insert_height();
			this.add_node(this.root, height, 0, key);
		}
		this.size++;
	}
	print_node(root, key) {
		if (root != null) {
			this.print_node(root.left, key);
			if (root.key < key) {
				process.stdout.write(" " + root.key);
			}
			this.print_node(root.right, key);
		}
	}
}

function main(args) {
	var heap = new MinHeap();
	//Construct first Min heap tree
	heap.insert(5);
	heap.insert(7);
	heap.insert(4);
	heap.insert(3);
	heap.insert(8);
	heap.insert(14);
	heap.insert(2);
	heap.insert(1);
	heap.insert(6);
	heap.insert(11);
	heap.insert(9);
	/*After insert element*/
	/*
	               1
	             /    \
	            2      3 
	          /  \    /  \
	         4    8  14   5
	        / \   /\ 
	       7   6 11 9
	    */
	var k = 10;
	heap.print_node(heap.root, k);
}

main();

Output

 7 4 6 2 8 9 1 3 5
#  Python 3 program
#  Print all nodes less than a given value in a Min Heap

# Tree node
class Node :
	
	def __init__(self, key) :
		self.key = key
		self.left = None
		self.right = None
	

class MinHeap :
	# This is use to store information of number of nodes in Min heap 
	def __init__(self) :
		self.root = None
		self.size = 0
	 # Get height of insert new node
	def insert_height(self) :
		i = 1
		sum = 0
		while (self.size > sum + (1 << i)) :
			sum += (1 << i)
			i += 1
		
		return i
	
	def swap_node(self, first, second) :
		data = first.key
		first.key = second.key
		second.key = data
	 # Arrange node key
	def arrange_node(self, root) :
		if (root.left != None and root.left.key < root.key) :
			self.swap_node(root, root.left)
		
		if (root.right != None and root.right.key < root.key) :
			self.swap_node(root, root.right)
		
	
	def add_node(self, root, height, level, key) :
		if (level >= height) :
			return False
		
		if (root != None) :
			if (level - 1 == height and root.left == None or root.right == None) :
				if (root.left == None) :
					root.left = Node(key)
				else :
					root.right = Node(key)
				
				self.arrange_node(root)
				return True
			
			if (self.add_node(root.left, height, level + 1, key) or self.add_node(root.right, height, level + 1, key)) :
				# Check effect of new inserted node
				self.arrange_node(root)
				return True
			
		
		return False
	 # Handles the request to new inserting node
	def insert(self, key) :
		if (self.root == None) :
			self.root = Node(key)
		elif (self.root.left == None) :
			self.root.left = Node(key)
			self.arrange_node(self.root)
		elif (self.root.right == None) :
			self.root.right = Node(key)
			self.arrange_node(self.root)
		else :
			height = self.insert_height()
			self.add_node(self.root, height, 0, key)
		
		self.size += 1
	
	def print_node(self, root, key) :
		if (root != None) :
			self.print_node(root.left, key)
			if (root.key < key) :
				print(" ", root.key, end = "")
			
			self.print_node(root.right, key)
		
	

def main() :
	heap = MinHeap() 
	# Construct first Min heap tree
	heap.insert(5)
	heap.insert(7)
	heap.insert(4)
	heap.insert(3)
	heap.insert(8)
	heap.insert(14)
	heap.insert(2)
	heap.insert(1)
	heap.insert(6)
	heap.insert(11)
	heap.insert(9)
 
	#After insert element
	 
	#
	#               1
	#             /    \
	#            2      3 
	#          /  \    /  \
	#         4    8  14   5
	#        / \   /\ 
	#       7   6 11 9
	#    
	

	k = 10
	heap.print_node(heap.root, k)


if __name__ == "__main__":
	main()

Output

  7  4  6  2  8  9  1  3  5
#  Ruby program
#  Print all nodes less than a given value in a Min Heap

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

class MinHeap 
    # Define the accessor and reader of class MinHeap
    attr_reader :size, :root
    attr_accessor :size, :root
	def initialize() 
		@root = nil
		@size = 0
	end
	 # Get height of insert new node
	def insert_height() 
		i = 1
		sum = 0
		while (self.size > sum + (1 << i)) 
			sum += (1 << i)
			i += 1
		end
		return i
	end
	def swap_node(first, second) 
		data = first.key
		first.key = second.key
		second.key = data
	end
	 # Arrange node key
	def arrange_node(root) 
		if (root.left != nil && root.left.key < root.key) 
			self.swap_node(root, root.left)
		end
		if (root.right != nil && root.right.key < root.key) 
			self.swap_node(root, root.right)
		end
	end
	def add_node(root, height, level, key) 
		if (level >= height) 
			return false
		end
		if (root != nil) 
			if (level - 1 == height && root.left == nil || root.right == nil) 
				if (root.left == nil) 
					root.left = Node.new(key)
				else 
					root.right = Node.new(key)
				end
				self.arrange_node(root)
				return true
			end
			if (self.add_node(root.left, height, level + 1, key) || self.add_node(root.right, height, level + 1, key)) 
				 # Check effect of new inserted node
				self.arrange_node(root)
				return true
			end
		end
		return false
	end
	 # Handles the request to new inserting node
	def insert(key) 
		if (@root == nil) 
			@root = Node.new(key)
		elsif (@root.left == nil) 
			@root.left = Node.new(key)
			self.arrange_node(@root)
		elsif (@root.right == nil) 
			@root.right = Node.new(key)
			self.arrange_node(@root)
		else 
			height = self.insert_height()
			self.add_node(@root, height, 0, key)
		end
		self.size += 1
	end
	def print_node(root, key) 
		if (root != nil) 
			self.print_node(root.left, key)
			if (root.key < key) 
				print(" ", root.key)
			end
			self.print_node(root.right, key)
		end
	end
end
def main() 
	heap = MinHeap.new()
	 # Construct first Min heap tree
	heap.insert(5)
	heap.insert(7)
	heap.insert(4)
	heap.insert(3)
	heap.insert(8)
	heap.insert(14)
	heap.insert(2)
	heap.insert(1)
	heap.insert(6)
	heap.insert(11)
	heap.insert(9)
	#After insert element
	 
	#
	#               1
	#             /    \
	#            2      3 
	#          /  \    /  \
	#         4    8  14   5
	#        / \   /\ 
	#       7   6 11 9
	#    
	
	k = 10
	heap.print_node(heap.root, k)
end


main()

Output

 7 4 6 2 8 9 1 3 5
/*
  Scala program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
class Node(var left: Node,var right: Node,var key: Int) {

	def this(key: Int) {
		this(null,null,key);
      
	}
} 
class MinHeap(var size: Int,var root: Node) {

	def this() {
		this(0,null);
	}
	//Get height of insert new node
	def insert_height(): Int = {
		var i: Int = 1;
		var sum: Int = 0;
		while (this.size > sum + (1 << i)) {
			sum += (1 << i);
			i += 1;
		}
		return i;
	}
	def swap_node(first: Node, second: Node): Unit = {
		val data: Int = first.key;
		first.key = second.key;
		second.key = data;
	}
	//Arrange node key
	def arrange_node(root: Node): Unit = {
		if (root.left != null && root.left.key < root.key) {
			this.swap_node(root, root.left);
		}
		if (root.right != null && root.right.key < root.key) {
			this.swap_node(root, root.right);
		}
	}
	def add_node(root: Node, height: Int, level: Int, key: Int): Boolean = {
		if (level >= height) {
			return false;
		}
		if (root != null) {
			if (level - 1 == height && root.left == null || root.right == null) {
				if (root.left == null) {
					root.left = new Node(key);
				} else {
					root.right = new Node(key);
				}
				this.arrange_node(root);

				return true;
			}
			if (this.add_node(root.left, height, level + 1, key) || this.add_node(root.right, height, level + 1, key)) {
				//Check effect of new inserted node
				this.arrange_node(root);

				return true;
			}
		}
		return false;
	}
	//Handles the request to new inserting node
	def insert(key: Int): Unit = {
		if (this.root == null) {
			this.root = new Node(key);
		} else
		if (this.root.left == null) {
			this.root.left = new Node(key);
			this.arrange_node(this.root);
		} else
		if (this.root.right == null) {
			this.root.right = new Node(key);
			this.arrange_node(this.root);
		} else {
			val height: Int = this.insert_height();
			this.add_node(this.root, height, 0, key);
		}
		this.size += 1;
	}
	def print_node(root: Node, key: Int): Unit = {
		if (root != null) {
			this.print_node(root.left, key);

			if (root.key < key) {
				print(" " + root.key);
			}
			this.print_node(root.right, key);
		}
	}
}
object Main {
	def main(args: Array[String]): Unit = {
		val heap: MinHeap = new MinHeap();

		//Construct first Min heap tree
		heap.insert(5);
		heap.insert(7);
		heap.insert(4);
		heap.insert(3);
		heap.insert(8);
		heap.insert(14);
		heap.insert(2);
		heap.insert(1);
		heap.insert(6);
		heap.insert(11);
		heap.insert(9);

		/*After insert element*/
		/*
		               1
		             /    \
		            2      3 
		          /  \    /  \
		         4    8  14   5
		        / \   /\ 
		       7   6 11 9
		    */
		var k: Int = 10;
		heap.print_node(heap.root, k);
	}
}

Output

 7 4 6 2 8 9 1 3 5
/*
  Swift program
  Print all nodes less than a given value in a Min Heap
*/
//Tree node
class Node {
	
	//Left and right child
	var	left  : Node?;
	var right : Node?;
	
	//Data value
	var	key : Int;
	init(_ key: Int) {
		self.key = key;
		self.left = nil;
		self.right = nil;
	}
}
class MinHeap {
	
	//This is use to store information of number of nodes in Min heap
	var	size : Int;
	var root : Node?;
	init() {
		self.root = nil;
		self.size = 0;
	}
	//Get height of insert new node
	func insert_height() -> Int {
		var i = 1;
		var sum = 0;
		while (self.size > sum + (1 << i)) {
			sum += (1 << i);
			i += 1;
		}
		return i;
	}
	func swap_node(_ first: Node?, _ second: Node?) {
		let data = first!.key;
		first!.key = second!.key;
		second!.key = data;
	}
	//Arrange node key
	func arrange_node(_ root: Node?) {
		if (root!.left != nil && root!.left!.key < root!.key) {
			self.swap_node(root, root!.left);
		}
		if (root!.right != nil && root!.right!.key < root!.key) {
			self.swap_node(root, root!.right);
		}
	}
	func add_node(_ root: Node?, _ height: Int, _ level: Int, _ key: Int) -> Bool {
		if (level >= height) {
			return false;
		}
		if (root != nil) {
			if (level - 1 == height && root!.left == nil || root!.right == nil) {
				if (root!.left == nil) {
					root!.left = Node(key);
				} else {
					root!.right = Node(key);
				}
				self.arrange_node(root);
				return true;
			}
			if (self.add_node(root!.left, height, level + 1, key) || self.add_node(root!.right, height, level + 1, key)) {
				//Check effect of new inserted node
				self.arrange_node(root);
				return true;
			}
		}
		return false;
	}
	//Handles the request to new inserting node
	func insert(_ key: Int) {
		if (self.root == nil) {
			self.root = Node(key);
		} else
		if (self.root!.left == nil) {
			self.root!.left = Node(key);
			self.arrange_node(self.root);
		} else
		if (self.root!.right == nil) {
			self.root!.right = Node(key);
			self.arrange_node(self.root);
		} else {
			let height = self.insert_height();
			let _ = self.add_node(self.root, height, 0, key);
		}
		self.size += 1;
	}
	func print_node(_ root: Node?, _ key: Int) {
		if (root != nil) {
			self.print_node(root!.left, key);
			if (root!.key < key) {
				print(" ", root!.key, terminator: "");
			}
			self.print_node(root!.right, key);
		}
	}
}
func main() {
	let heap = MinHeap();
	//Construct first Min heap tree
	heap.insert(5);
	heap.insert(7);
	heap.insert(4);
	heap.insert(3);
	heap.insert(8);
	heap.insert(14);
	heap.insert(2);
	heap.insert(1);
	heap.insert(6);
	heap.insert(11);
	heap.insert(9);
	/*After insert element*/
	/*
	               1
	             /    \
	            2      3 
	          /  \    /  \
	         4    8  14   5
	        / \   /\ 
	       7   6 11 9
	    */
	let k = 10;
	heap.print_node(heap.root, k);
}
main();

Output

  7  4  6  2  8  9  1  3  5
Last updated on by Kalkicode




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