Iterative Heap Sort

Here given code implementation process.

//C Program
//Iterative Heap Sort
#include <stdio.h>

//Swap two element in array
void swap(int arr[],int first,int second)
{
  int auxiliary=arr[first];
  arr[first]=arr[second];
  arr[second]=auxiliary;
}

int compare(int arr[],int left,int right,int root,int size)
{
  int location = -1;

  if(left < size &&  arr[left] > arr[root] )
  {

    if(right < size && arr[right] > arr[left])
    {
      swap(arr,right,root);
      location = right;
    }
    else
    {
      swap(arr,left,root);
      location = left;
    }
  }
  else if(right < size && arr[right] > arr[root])
  {
    swap(arr,right,root);
    location = right;
  }
  return location;
}
//Perform the operation of heap sort 
void heap(int arr[],int size,int root)
{
  int left,right;
  while(root!=-1)
  {
    left  = 2*root+1;
    right = 2*root+2;
   
    root = compare(arr, left, right, root, size);
  
  }
}
//Sort array element using heap sort
void heap_sort(int arr[],int size)
{
 
  for (int i = (size/2)-1; i >= 0; i--)
  {
    heap(arr, size, i);
  }
  for (int i = size-1; i >= 0; i--)
  {
    swap(arr, 0, i);
    heap(arr, i, 0);
  }
}
void print_data(int arr[],int size)
{
  
  for(int i = 0; i < size; i++)
  {
    printf("   %d",arr[i] );
  }
  printf("\n");
}
int main()
{
  //Collection of unordered sorted array
  int arr[] = {6, 8, 2, 2, 7,  1, 3, 8, 21, 11, 12 ,5};
  //Get the size of array
  int size = sizeof(arr)/sizeof(arr[0]);

  printf("  Before Sort\n");
  print_data(arr,size);

  heap_sort(arr,size);
  printf("  After Sort\n");
  print_data(arr,size);
  return 0;
}

Output

  Before Sort
   6   8   2   2   7   1   3   8   21   11   12   5
  After Sort
   1   2   2   3   5   6   7   8   8   11   12   21
/*
  C++ Program
  Iterative Heap Sort
*/
#include<iostream>

using namespace std;
class MyHeap {
	public:

    //Swap two element in array
    void swap(int arr[], int first, int second) {
      int auxiliary = arr[first];
      arr[first] = arr[second];
      arr[second] = auxiliary;
    }
	int compare(int arr[], int left, int right, int root, int size) {
		int location = -1;
		if (left < size && arr[left] > arr[root]) {
			if (right < size && arr[right] > arr[left]) {
				this->swap(arr, right, root);
				location = right;
			} else {
				this->swap(arr, left, root);
				location = left;
			}
		} else
		if (right < size && arr[right] > arr[root]) {
			this->swap(arr, right, root);
			location = right;
		}
		return location;
	}
	//Perform the operation of heap sort 
	void heap(int arr[], int size, int root) {
		int left, right;
		while (root != -1) {
			left = 2 *root + 1;
			right = 2 *root + 2;
			root = this->compare(arr, left, right, root, size);
		}
	}
	//Sort array element using heap sort
	void heap_sort(int arr[], int size) {
		for (int i = (size / 2) - 1; i >= 0; i--) {
			this->heap(arr, size, i);
		}
		for (int i = size - 1; i >= 0; i--) {
			this->swap(arr, 0, i);
			this->heap(arr, i, 0);
		}
	}
	void print_data(int arr[], int size) {
		for (int i = 0; i < size; i++) {
			cout << "  " << arr[i];
		}
		cout << "\n";
	}
};
int main() {
	MyHeap obj = MyHeap();
	int arr[] = {
		6,
		8,
		2,
		2,
		7,
		1,
		3,
		8,
		21,
		11,
		12,
		5
	};
	//Get the size of array
	int size = sizeof(arr) / sizeof(arr[0]);
	cout << " Before Sort\n";
	obj.print_data(arr, size);
	obj.heap_sort(arr, size);
	cout << "\n After Sort\n";
	obj.print_data(arr, size);
	return 0;
}

Output

 Before Sort
  6  8  2  2  7  1  3  8  21  11  12  5

 After Sort
  1  2  2  3  5  6  7  8  8  11  12  21
/*
  Java Program
  Iterative Heap Sort
*/
public class MyHeap {

  //Swap two element in array
  public void swap(int []arr,int first,int second)
  {
    int auxiliary=arr[first];
    arr[first]=arr[second];
    arr[second]=auxiliary;
  }

  public int compare(int []arr,int left,int right,int root,int size)
  {
    int location = -1;

    if(left < size &&  arr[left] > arr[root] )
    {

      if(right < size && arr[right] > arr[left])
      {
        swap(arr,right,root);
        location = right;
      }
      else
      {
        swap(arr,left,root);
        location = left;
      }
    }
    else if(right < size && arr[right] > arr[root])
    {
      swap(arr,right,root);
      location = right;
    }
    return location;
  }
  //Perform the operation of heap sort 
  public void heap(int []arr,int size,int root)
  {
    int left,right;
    while(root!=-1)
    {
      left  = 2*root+1;
      right = 2*root+2;
     
      root = compare(arr, left, right, root, size);
    
    }
  }
  //Sort array element using heap sort
  public void heap_sort(int []arr,int size)
  {
   
    for (int i = (size/2)-1; i >= 0; i--)
    {
      heap(arr, size, i);
    }
    for (int i = size-1; i >= 0; i--)
    {
      swap(arr, 0, i);
      heap(arr, i, 0);
    }
  }
  public void print_data(int []arr,int size)
  {
    
    for(int i = 0; i < size; i++)
    {
      System.out.print("   "+arr[i] );
    }
    System.out.print("\n");
  }
  public static void main(String[] args) {
    
    MyHeap obj = new MyHeap();
      
    //Collection of unordered sorted array
    int []arr = {6, 8, 2, 2, 7,  1, 3, 8, 21, 11, 12 ,5};
    //Get the size of array
    int size = arr.length;
    System.out.print("  Before Sort\n");
    obj.print_data(arr,size);

    obj.heap_sort(arr,size);
    System.out.print("\n  After Sort\n");
    obj.print_data(arr,size);

  }
}

Output

 Before Sort
  6  8  2  2  7  1  3  8  21  11  12  5

 After Sort
  1  2  2  3  5  6  7  8  8  11  12  21
/*
  C# Program
  Iterative Heap Sort
*/
using System;


public class MyHeap {
	//Swap two element in array
	public void swap(int[] arr, int first, int second) {
		int auxiliary = arr[first];
		arr[first] = arr[second];
		arr[second] = auxiliary;
	}
	public int compare(int[] arr, int left, int right, int root, int size) {
		int location = -1;
		if (left < size && arr[left] > arr[root]) {
			if (right < size && arr[right] > arr[left]) {
				swap(arr, right, root);
				location = right;
			} else {
				swap(arr, left, root);
				location = left;
			}
		} else
		if (right < size && arr[right] > arr[root]) {
			swap(arr, right, root);
			location = right;
		}
		return location;
	}
	//Perform the operation of heap sort 
	public void heap(int[] arr, int size, int root) {
		int left, right;
		while (root != -1) {
			left = 2 * root + 1;
			right = 2 * root + 2;
			root = compare(arr, left, right, root, size);
		}
	}
	//Sort array element using heap sort
	public void heap_sort(int[] arr, int size) {
		for (int i = (size / 2) - 1; i >= 0; i--) {
			heap(arr, size, i);
		}
		for (int i = size - 1; i >= 0; i--) {
			swap(arr, 0, i);
			heap(arr, i, 0);
		}
	}
	public void print_data(int[] arr, int size) {
		for (int i = 0; i < size; i++) {
			Console.Write(" " + arr[i]);
		}
		Console.Write("\n");
	}
	public static void Main(String[] args) {
		MyHeap obj = new MyHeap();
		int[]
		//Collection of unordered sorted array
		arr = {
			6,
			8,
			2,
			2,
			7,
			1,
			3,
			8,
			21,
			11,
			12,
			5
		};
		//Get the size of array
		int size = arr.Length;
		Console.Write(" Before Sort\n");
		obj.print_data(arr, size);
		obj.heap_sort(arr, size);
		Console.Write("\n After Sort\n");
		obj.print_data(arr, size);
	}
}

Output

 Before Sort
 6 8 2 2 7 1 3 8 21 11 12 5

 After Sort
 1 2 2 3 5 6 7 8 8 11 12 21
<?php
/*
  Php Program
  Iterative Heap Sort
*/
class MyHeap {
	//Swap two element in array

	public 	function swap(&$arr, $first, $second) {
		$auxiliary = $arr[$first];
		$arr[$first] = $arr[$second];
		$arr[$second] = $auxiliary;
	}
	public 	function compare(&$arr, $left, $right, $root, $size) {
		$location = -1;
		if ($left < $size && $arr[$left] > $arr[$root]) {
			if ($right < $size && $arr[$right] > $arr[$left]) {
				$this->swap($arr, $right, $root);
				$location = $right;
			} else {
				$this->swap($arr, $left, $root);
				$location = $left;
			}
		} else
		if ($right < $size && $arr[$right] > $arr[$root]) {
			$this->swap($arr, $right, $root);
			$location = $right;
		}
		return $location;
	}
	//Perform the operation of heap sort 

	public 	function heap(&$arr, $size, $root) {
		$left = 0;
		$right = 0;
		while ($root != -1) {
			$left = 2 *$root + 1;
			$right = 2 *$root + 2;
			$root = $this->compare($arr, $left, $right, $root, $size);
		}
	}
	//Sort array element using heap sort

	public 	function heap_sort(&$arr, $size) {
		for ($i = (intval($size / 2)) - 1; $i >= 0; $i--) {
			$this->heap($arr, $size, $i);
		}
		for ($i = $size - 1; $i >= 0; $i--) {
			$this->swap($arr, 0, $i);
			$this->heap($arr, $i, 0);
		}
	}
	public 	function print_data($arr, $size) {
		for ($i = 0; $i < $size; $i++) {
			echo(" ". $arr[$i]);
		}
		echo("\n");
	}
}

function main() {
	$obj = new MyHeap();
	//Collection of unordered sorted array
	$arr = array(6, 8, 2, 2, 7, 1, 3, 8, 21, 11, 12, 5);
	//Get the size of array
	$size = count($arr);
	echo(" Before Sort\n");
	$obj->print_data($arr, $size);
	$obj->heap_sort($arr, $size);
	echo("\n After Sort\n");
	$obj->print_data($arr, $size);

}
main();

Output

 Before Sort
 6 8 2 2 7 1 3 8 21 11 12 5

 After Sort
 1 2 2 3 5 6 7 8 8 11 12 21
/*
  Node Js Program
  Iterative Heap Sort
*/
class MyHeap {
	//Swap two element in array
	swap(arr, first, second) {
		var auxiliary = arr[first];
		arr[first] = arr[second];
		arr[second] = auxiliary;
	}
	compare(arr, left, right, root, size) {
		var location = -1;
		if (left < size && arr[left] > arr[root]) {
			if (right < size && arr[right] > arr[left]) {
				this.swap(arr, right, root);
				location = right;
			} else {
				this.swap(arr, left, root);
				location = left;
			}
		} else
		if (right < size && arr[right] > arr[root]) {
			this.swap(arr, right, root);
			location = right;
		}

		return location;
	}

	//Perform the operation of heap sort 
	heap(arr, size, root) {
		var left = 0;
		var right = 0;
		while (root != -1) {
			left = 2 *root + 1;
			right = 2 *root + 2;
			root = this.compare(arr, left, right, root, size);
		}
	}

	//Sort array element using heap sort
	heap_sort(arr, size) {
		for (var i = (parseInt(size / 2)) - 1; i >= 0; i--) {
			this.heap(arr, size, i);
		}

		for (var i = size - 1; i >= 0; i--) {
			this.swap(arr, 0, i);
			this.heap(arr, i, 0);
		}
	}
	print_data(arr, size) {
		for (var i = 0; i < size; i++) {
			process.stdout.write(" " + arr[i]);
		}

		process.stdout.write("\n");
	}
}

function main(args) {
	var obj = new MyHeap();
	//Collection of unordered sorted array
	var arr = [6, 8, 2, 2, 7, 1, 3, 8, 21, 11, 12, 5];
	//Get the size of array
	var size = arr.length;
	process.stdout.write(" Before Sort\n");
	obj.print_data(arr, size);
	obj.heap_sort(arr, size);
	process.stdout.write("\n After Sort\n");
	obj.print_data(arr, size);
}

main();

Output

 Before Sort
 6 8 2 2 7 1 3 8 21 11 12 5

 After Sort
 1 2 2 3 5 6 7 8 8 11 12 21
# Python 3 Program
# Iterative Heap Sort
class MyHeap :
	# Swap two element in array
	def swap(self, arr, first, second) :
		auxiliary = arr[first]
		arr[first] = arr[second]
		arr[second] = auxiliary
	
	def compare(self, arr, left, right, root, size) :
		location = -1
		if (left < size and arr[left] > arr[root]) :
			if (right < size and arr[right] > arr[left]) :
				self.swap(arr, right, root)
				location = right
			else :
				self.swap(arr, left, root)
				location = left
			
		elif (right < size and arr[right] > arr[root]) :
			self.swap(arr, right, root)
			location = right
		
		return location
	
	# Perform the operation of heap sort 
	def heap(self, arr, size, root) :
		left = 0
		right = 0
		while (root != -1) :
			left = 2 * root + 1
			right = 2 * root + 2
			root = self.compare(arr, left, right, root, size)
		
	
	# Sort array element using heap sort
	def heap_sort(self, arr, size) :
		i = (int(size / 2)) - 1
		while (i >= 0) :
			self.heap(arr, size, i)
			i -= 1
		
		i = size - 1
		while (i >= 0) :
			self.swap(arr, 0, i)
			self.heap(arr, i, 0)
			i -= 1
		
	
	def print_data(self, arr, size) :
		i = 0
		while (i < size) :
			print(" ", arr[i], end = "")
			i += 1
		
		print("\n", end = "")
	

def main() :
	obj = MyHeap()
	arr = [6, 8, 2, 2, 7, 1, 3, 8, 21, 11, 12, 5]
	size = len(arr)
	print(" Before Sort\n", end = "")
	obj.print_data(arr, size)
	obj.heap_sort(arr, size)
	print("\n After Sort\n", end = "")
	obj.print_data(arr, size)


if __name__ == "__main__":
	main()

Output

 Before Sort
  6  8  2  2  7  1  3  8  21  11  12  5

 After Sort
  1  2  2  3  5  6  7  8  8  11  12  21
# Ruby Program
# Iterative Heap Sort
class MyHeap 
	 # Swap two element in array
	def swap(arr, first, second) 
		auxiliary = arr[first]
		arr[first] = arr[second]
		arr[second] = auxiliary
	end
	def compare(arr, left, right, root, size) 
		location = -1
		if (left < size && arr[left] > arr[root]) 
			if (right < size && arr[right] > arr[left]) 
				self.swap(arr, right, root)
				location = right
			else 
				self.swap(arr, left, root)
				location = left
			end
		 elsif (right < size && arr[right] > arr[root]) 
			self.swap(arr, right, root)
			location = right
		end
		return location
	end
	 # Perform the operation of heap sort 
	def heap(arr, size, root) 
		left = 0
		right = 0
		while (root != -1) 
			left = 2 * root + 1
			right = 2 * root + 2
			root = self.compare(arr, left, right, root, size)
		end
	end
	 # Sort array element using heap sort
	def heap_sort(arr, size) 
		i = (size / 2) - 1
		while (i >= 0) 
			self.heap(arr, size, i)
			i -= 1
		end
		i = size - 1
		while (i >= 0) 
			self.swap(arr, 0, i)
			self.heap(arr, i, 0)
			i -= 1
		end
	end
	def print_data(arr, size) 
		i = 0
		while (i < size) 
			print(" ", arr[i])
			i += 1
		end
		print("\n")
	end
end
def main() 
	obj = MyHeap.new()
	arr = [6, 8, 2, 2, 7, 1, 3, 8, 21, 11, 12, 5]
	size = arr.length
	print(" Before Sort\n")
	obj.print_data(arr, size)
	obj.heap_sort(arr, size)
	print("\n After Sort\n")
	obj.print_data(arr, size)
end
main()

Output

 Before Sort
 6 8 2 2 7 1 3 8 21 11 12 5

 After Sort
 1 2 2 3 5 6 7 8 8 11 12 21
/*
  Scala Program
  Iterative Heap Sort
*/
class MyHeap {
	//Swap two element in array
	def swap(arr: Array[Int], first: Int, second: Int): Unit = {
		val auxiliary: Int = arr(first);
		arr(first) = arr(second);
		arr(second) = auxiliary;
	}
	def compare(arr: Array[Int], left: Int, right: Int, root: Int, size: Int): Int = {
		var location: Int = -1;

		if (left < size && arr(left) > arr(root)) {
			if (right < size && arr(right) > arr(left)) {
				this.swap(arr, right, root);
				location = right;
			} else {
				this.swap(arr, left, root);
				location = left;
			}
		} else
		if (right < size && arr(right) > arr(root)) {
			this.swap(arr, right, root);
			location = right;
		}
		return location;
	}
	//Perform the operation of heap sort 
	def heap(arr: Array[Int], size: Int, location : Int): Unit = {
		var left: Int = 0;
		var right: Int = 0;
      	var root : Int = location;
		while (root != -1) {
			left = 2 * root + 1;
			right = 2 * root + 2;
			root = this.compare(arr, left, right, root, size);
		}
	}
	//Sort array element using heap sort
	def heap_sort(arr: Array[Int], size: Int): Unit = {
		var i: Int = ((size / 2).toInt) - 1;
		while (i >= 0) {
			this.heap(arr, size, i);
			i -= 1;
		}
		i = size - 1;
		while (i >= 0) {
			this.swap(arr, 0, i);
			this.heap(arr, i, 0);
			i -= 1;
		}
	}
	def print_data(arr: Array[Int], size: Int): Unit = {
		var i: Int = 0;
		while (i < size) {
			print(" " + arr(i));
			i += 1;
		}
		print("\n");
	}
}
object Main {
	def main(args: Array[String]): Unit = {
		val obj: MyHeap = new MyHeap();
		var arr: Array[Int] = Array(6, 8, 2, 2, 7, 1, 3, 8, 21, 11, 12, 5);
		val size: Int = arr.length;
		print(" Before Sort\n");
		obj.print_data(arr, size);
		obj.heap_sort(arr, size);
		print("\n After Sort\n");
		obj.print_data(arr, size);
	}
}

Output

 Before Sort
 6 8 2 2 7 1 3 8 21 11 12 5

 After Sort
 1 2 2 3 5 6 7 8 8 11 12 21
/*
  Swift Program
  Iterative Heap Sort
*/
class MyHeap {
	//Swap two element in array
	func swap(_ arr: inout[Int], _ first: Int, _ second: Int) {
		let auxiliary = arr[first];
		arr[first] = arr[second];
		arr[second] = auxiliary;
	}
	func compare(_ arr: inout [Int], _ left: Int, _ right: Int, _ root: Int, _ size: Int) -> Int {
		var location = -1;
		if (left < size && arr[left] > arr[root]) {
			if (right < size && arr[right] > arr[left]) {
				self.swap(&arr, right, root);
				location = right;
			} else {
				self.swap(&arr, left, root);
				location = left;
			}
		} else
		if (right < size && arr[right] > arr[root]) {
			self.swap(&arr, right, root);
			location = right;
		}
		return location;
	}
	//Perform the operation of heap sort 
	func heap(_ arr: inout [Int], _ size: Int, _ location:  Int) {
		var left = 0;
		var right = 0;
      	var root = location;
		while (root != -1) {
			left = 2 * root + 1;
			right = 2 * root + 2;
			root = self.compare(&arr, left, right, root, size);
		}
	}
	//Sort array element using heap sort
	func heap_sort(_ arr: inout [Int], _ size: Int) {
		var i = (size / 2) - 1;
		while (i >= 0) {
			self.heap(&arr, size, i);
			i -= 1;
		}
		i = size - 1;
		while (i >= 0) {
			self.swap(&arr, 0, i);
			self.heap(&arr, i, 0);
			i -= 1;
		}
	}
	func print_data(_ arr: [Int], _ size: Int) {
		var i = 0;
		while (i < size) {
			print(" ", arr[i], terminator: "");
			i += 1;
		}
		print("\n", terminator: "");
	}
}
func main() {
	let obj = MyHeap();
	var arr = [6, 8, 2, 2, 7, 1, 3, 8, 21, 11, 12, 5];
	let size = arr.count;
	print(" Before Sort\n", terminator: "");
	obj.print_data(arr, size);
	obj.heap_sort(&arr, size);
	print("\n After Sort\n", terminator: "");
	obj.print_data(arr, size);
}
main();

Output

 Before Sort
  6  8  2  2  7  1  3  8  21  11  12  5

 After Sort
  1  2  2  3  5  6  7  8  8  11  12  21


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