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Cycle Sort

Here given code implementation process.

// C Program 
// Sort array elements by using Cycle Sort
#include <stdio.h>

//Function which is display array elements
void display(int arr[], int size)
{
	for (int i = 0; i < size; ++i)
	{
		printf("  %d", arr[i]);
	}
	printf("\n");
}
// When given item is not sorted of given array in right side 
// then they are returns new location of right side. 
// Otherwise they returns current location
int valid_position(int arr[], int cycle_start, int item, int size)
{
	int pos = cycle_start;
	//loop controlling variable
	int i = cycle_start + 1;
	while (i < size)
	{
		if (arr[i] < item)
		{
			//Find new position of current cycle element
			pos++;
		}
		i++;
	}
	return pos;
}
//This are used to find the location of next different element
int skip_duplicates(int arr[], int location, int item)
{
	int pos = location;
	//Skip similar elements
	while (item == arr[pos])
	{
		pos++;
	}
	return pos;
}
//Perform the cycle sort in given array
void cycle_sort(int arr[], int size)
{
	// Loop controlling variables
	int pos = 0;
	int item = 0;
	int temp = 0;
	int cycle_start = 0;
	// count number of memory writes operation 
	int writes = 0;
	for (cycle_start = 0; cycle_start < size - 1; cycle_start++)
	{
		//Get current cycle element
		item = arr[cycle_start];
		//Find actual valid location
		pos = valid_position(arr, cycle_start, item, size);
		//Check whether given current cycle elements is need to modified or not
		if (pos != cycle_start)
		{
			pos = skip_duplicates(arr, pos, item);
			if (item != arr[pos])
			{
				//When new location element are different to current cycle element
				temp = arr[pos];
				arr[pos] = item;
				item = temp;
				writes++;
			}
			while (pos != cycle_start)
			{
				//Find actual valid location
				pos = valid_position(arr, cycle_start, item, size);
				pos = skip_duplicates(arr, pos, item);
				if (item != arr[pos])
				{
					temp = arr[pos];
					arr[pos] = item;
					item = temp;
					writes++;
				}
			}
		}
	}
}
int main()
{
	//Define an sorted array of integers
	int arr[] = {
		11,
		8,
		3,
		8,
		32,
		-3,
		1,
		9,
		23,
		2,
		4,
		0,
		5
	};
	//Get the size of array
	int size = sizeof(arr) / sizeof(arr[0]);
	//Before sort
	printf("\n  Before Sort  :\n");
	display(arr, size);
	//Sort element
	cycle_sort(arr, size);
	//After sort
	printf("\n  After Sort  :\n");
	display(arr, size);
	return 0;
}

Output

  Before Sort  :
  11  8  3  8  32  -3  1  9  23  2  4  0  5

  After Sort  :
  -3  0  1  2  3  4  5  8  8  9  11  23  32
/*
	Java Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	//Function which is display array elements
	public void display(int[] arr, int size)
	{
		for (int i = 0; i < size; ++i)
		{
			System.out.print(" " + arr[i]);
		}
		System.out.print("\n");
	}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	public int valid_position(int[] arr, int cycle_start, int item, int size)
	{
		int pos = cycle_start;
		//loop controlling variable
		int i = cycle_start + 1;
		while (i < size)
		{
			if (arr[i] < item)
			{
				//Find new position of current cycle element
				pos++;
			}
			i++;
		}
		return pos;
	}
	//This are used to find the location of next different element
	public int skip_duplicates(int[] arr, int location, int item)
	{
		int pos = location;
		//Skip similar elements
		while (item == arr[pos])
		{
			pos++;
		}
		return pos;
	}
	//Perform the cycle sort in given array
	public void cycle_sort(int[] arr, int size)
	{
		// Loop controlling variables
		int pos = 0;
		int item = 0;
		int temp = 0;
		int cycle_start = 0;
		// count number of memory writes operation 
		int writes = 0;
		for (cycle_start = 0; cycle_start < size - 1; cycle_start++)
		{
			//Get current cycle element
			item = arr[cycle_start];
			//Find actual valid location
			pos = valid_position(arr, cycle_start, item, size);
			//Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			{
				pos = skip_duplicates(arr, pos, item);
				if (item != arr[pos])
				{
					//When new location element are different to current cycle element
					temp = arr[pos];
					arr[pos] = item;
					item = temp;
					writes++;
				}
				while (pos != cycle_start)
				{
					//Find actual valid location
					pos = valid_position(arr, cycle_start, item, size);
					pos = skip_duplicates(arr, pos, item);
					if (item != arr[pos])
					{
						temp = arr[pos];
						arr[pos] = item;
						item = temp;
						writes++;
					}
				}
			}
		}
	}
	public static void main(String[] args)
	{
		MySort obj = new MySort();
		//Define an sorted array of integers
		int[] arr = {
			11,
			8,
			3,
			8,
			32,
			-3,
			1,
			9,
			23,
			2,
			4,
			0,
			5
		};
		//Get the size of array
		int size = arr.length;
		System.out.print("\n Before Sort :\n");
		obj.display(arr, size);
		//Sort element
		obj.cycle_sort(arr, size);
		System.out.print("\n After Sort :\n");
		obj.display(arr, size);
	}
}

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32
//Include header file
#include <iostream>

using namespace std;
/*
	C++ Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	public:
		//Function which is display array elements
		void display(int arr[], int size)
		{
			for (int i = 0; i < size; ++i)
			{
				cout << " " << arr[i];
			}
			cout << "\n";
		}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	int valid_position(int arr[], int cycle_start, int item, int size)
	{
		int pos = cycle_start;
		//loop controlling variable
		int i = cycle_start + 1;
		while (i < size)
		{
			if (arr[i] < item)
			{
				//Find new position of current cycle element
				pos++;
			}
			i++;
		}
		return pos;
	}
	//This are used to find the location of next different element
	int skip_duplicates(int arr[], int location, int item)
	{
		int pos = location;
		//Skip similar elements
		while (item == arr[pos])
		{
			pos++;
		}
		return pos;
	}
	//Perform the cycle sort in given array
	void cycle_sort(int arr[], int size)
	{
		// Loop controlling variables
		int pos = 0;
		int item = 0;
		int temp = 0;
		int cycle_start = 0;
		// count number of memory writes operation 
		int writes = 0;
		for (cycle_start = 0; cycle_start < size - 1; cycle_start++)
		{
			//Get current cycle element
			item = arr[cycle_start];
			//Find actual valid location
			pos = this->valid_position(arr, cycle_start, item, size);
			//Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			{
				pos = this->skip_duplicates(arr, pos, item);
				if (item != arr[pos])
				{
					//When new location element are different to current cycle element
					temp = arr[pos];
					arr[pos] = item;
					item = temp;
					writes++;
				}
				while (pos != cycle_start)
				{
					//Find actual valid location
					pos = this->valid_position(arr, cycle_start, item, size);
					pos = this->skip_duplicates(arr, pos, item);
					if (item != arr[pos])
					{
						temp = arr[pos];
						arr[pos] = item;
						item = temp;
						writes++;
					}
				}
			}
		}
	}
};
int main()
{
	MySort obj = MySort();
	int arr[] = {
		11 , 8 , 3 , 8 , 32 , -3 , 1 , 9 , 23 , 2 , 4 , 0 , 5
	};
	//Get the size of array
	int size = sizeof(arr) / sizeof(arr[0]);
	cout << "\n Before Sort :\n";
	obj.display(arr, size);
	//Sort element
	obj.cycle_sort(arr, size);
	cout << "\n After Sort :\n";
	obj.display(arr, size);
	return 0;
}

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32
//Include namespace system
using System;
/*
	C# Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	//Function which is display array elements
	public void display(int[] arr, int size)
	{
		for (int i = 0; i < size; ++i)
		{
			Console.Write(" " + arr[i]);
		}
		Console.Write("\n");
	}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	public int valid_position(int[] arr, int cycle_start, int item, int size)
	{
		int pos = cycle_start;
		//loop controlling variable
		int i = cycle_start + 1;
		while (i < size)
		{
			if (arr[i] < item)
			{
				//Find new position of current cycle element
				pos++;
			}
			i++;
		}
		return pos;
	}
	//This are used to find the location of next different element
	public int skip_duplicates(int[] arr, int location, int item)
	{
		int pos = location;
		//Skip similar elements
		while (item == arr[pos])
		{
			pos++;
		}
		return pos;
	}
	//Perform the cycle sort in given array
	public void cycle_sort(int[] arr, int size)
	{
		// Loop controlling variables
		int pos = 0;
		int item = 0;
		int temp = 0;
		int cycle_start = 0;
		// count number of memory writes operation 
		int writes = 0;
		for (cycle_start = 0; cycle_start < size - 1; cycle_start++)
		{
			//Get current cycle element
			item = arr[cycle_start];
			//Find actual valid location
			pos = valid_position(arr, cycle_start, item, size);
			//Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			{
				pos = skip_duplicates(arr, pos, item);
				if (item != arr[pos])
				{
					//When new location element are different to current cycle element
					temp = arr[pos];
					arr[pos] = item;
					item = temp;
					writes++;
				}
				while (pos != cycle_start)
				{
					//Find actual valid location
					pos = valid_position(arr, cycle_start, item, size);
					pos = skip_duplicates(arr, pos, item);
					if (item != arr[pos])
					{
						temp = arr[pos];
						arr[pos] = item;
						item = temp;
						writes++;
					}
				}
			}
		}
	}
	public static void Main(String[] args)
	{
		MySort obj = new MySort();
		int[] arr = {
			11 , 8 , 3 , 8 , 32 , -3 , 1 , 9 , 23 , 2 , 4 , 0 , 5
		};
		//Get the size of array
		int size = arr.Length;
		Console.Write("\n Before Sort :\n");
		obj.display(arr, size);
		//Sort element
		obj.cycle_sort(arr, size);
		Console.Write("\n After Sort :\n");
		obj.display(arr, size);
	}
}

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32
<?php
/*
	Php Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	//Function which is display array elements
	public	function display( $arr, $size)
	{
		for ($i = 0; $i < $size; ++$i)
		{
			echo " ". $arr[$i];
		}
		echo "\n";
	}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	public	function valid_position( & $arr, $cycle_start, $item, $size)
	{
		$pos = $cycle_start;
		//loop controlling variable
		$i = $cycle_start + 1;
		while ($i < $size)
		{
			if ($arr[$i] < $item)
			{
				//Find new position of current cycle element
				$pos++;
			}
			$i++;
		}
		return $pos;
	}
	//This are used to find the location of next different element
	public	function skip_duplicates( & $arr, $location, $item)
	{
		$pos = $location;
		//Skip similar elements
		while ($item == $arr[$pos])
		{
			$pos++;
		}
		return $pos;
	}
	//Perform the cycle sort in given array
	public	function cycle_sort( & $arr, $size)
	{
		// Loop controlling variables
		$pos = 0;
		$item = 0;
		$temp = 0;
		$cycle_start = 0;
		// count number of memory writes operation 
		$writes = 0;
		for ($cycle_start = 0; $cycle_start < $size - 1; $cycle_start++)
		{
			//Get current cycle element
			$item = $arr[$cycle_start];
			//Find actual valid location
			$pos = $this->valid_position($arr, $cycle_start, $item, $size);
			//Check whether given current cycle elements is need to modified or not
			if ($pos != $cycle_start)
			{
				$pos = $this->skip_duplicates($arr, $pos, $item);
				if ($item != $arr[$pos])
				{
					//When new location element are different to current cycle element
					$temp = $arr[$pos];
					$arr[$pos] = $item;
					$item = $temp;
					$writes++;
				}
				while ($pos != $cycle_start)
				{
					//Find actual valid location
					$pos = $this->valid_position($arr, $cycle_start, $item, $size);
					$pos = $this->skip_duplicates($arr, $pos, $item);
					if ($item != $arr[$pos])
					{
						$temp = $arr[$pos];
						$arr[$pos] = $item;
						$item = $temp;
						$writes++;
					}
				}
			}
		}
	}
}

function main()
{
	$obj = new MySort();
	//Define an sorted array of integers
	$arr = array(11, 8, 3, 8, 32, -3, 1, 9, 23, 2, 4, 0, 5);
	//Get the size of array
	$size = count($arr);
	echo "\n Before Sort :\n";
	$obj->display($arr, $size);
	//Sort element
	$obj->cycle_sort($arr, $size);
	echo "\n After Sort :\n";
	$obj->display($arr, $size);
}
main();

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32
/*
	Node Js Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	//Function which is display array elements
	display(arr, size)
	{
		for (var i = 0; i < size; ++i)
		{
			process.stdout.write(" " + arr[i]);
		}
		process.stdout.write("\n");
	}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	valid_position(arr, cycle_start, item, size)
	{
		var pos = cycle_start;
		//loop controlling variable
		var i = cycle_start + 1;
		while (i < size)
		{
			if (arr[i] < item)
			{
				//Find new position of current cycle element
				pos++;
			}
			i++;
		}
		return pos;
	}
	//This are used to find the location of next different element
	skip_duplicates(arr, location, item)
	{
		var pos = location;
		//Skip similar elements
		while (item == arr[pos])
		{
			pos++;
		}
		return pos;
	}
	//Perform the cycle sort in given array
	cycle_sort(arr, size)
	{
		// Loop controlling variables
		var pos = 0;
		var item = 0;
		var temp = 0;
		var cycle_start = 0;
		// count number of memory writes operation 
		var writes = 0;
		for (cycle_start = 0; cycle_start < size - 1; cycle_start++)
		{
			//Get current cycle element
			item = arr[cycle_start];
			//Find actual valid location
			pos = this.valid_position(arr, cycle_start, item, size);
			//Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			{
				pos = this.skip_duplicates(arr, pos, item);
				if (item != arr[pos])
				{
					//When new location element are different to current cycle element
					temp = arr[pos];
					arr[pos] = item;
					item = temp;
					writes++;
				}
				while (pos != cycle_start)
				{
					//Find actual valid location
					pos = this.valid_position(arr, cycle_start, item, size);
					pos = this.skip_duplicates(arr, pos, item);
					if (item != arr[pos])
					{
						temp = arr[pos];
						arr[pos] = item;
						item = temp;
						writes++;
					}
				}
			}
		}
	}
}

function main()
{
	var obj = new MySort();
	//Define an sorted array of integers
	var arr = [11, 8, 3, 8, 32, -3, 1, 9, 23, 2, 4, 0, 5];
	//Get the size of array
	var size = arr.length;
	process.stdout.write("\n Before Sort :\n");
	obj.display(arr, size);
	//Sort element
	obj.cycle_sort(arr, size);
	process.stdout.write("\n After Sort :\n");
	obj.display(arr, size);
}
main();

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32
# 	Python 3 Program
# 	Sort array elements by using Cycle Sort

class MySort :
	# Function which is display array elements
	def display(self, arr, size) :
		i = 0
		while (i < size) :
			print(" ", arr[i], end = "")
			i += 1
		
		print("\n", end = "")
	
	#  When given item is not sorted of given array in right side 
	#  then they are returns new location of right side. 
	#  Otherwise they returns current location
	def valid_position(self, arr, cycle_start, item, size) :
		pos = cycle_start
		# loop controlling variable
		i = cycle_start + 1
		while (i < size) :
			if (arr[i] < item) :
				# Find new position of current cycle element
				pos += 1
			
			i += 1
		
		return pos
	
	# This are used to find the location of next different element
	def skip_duplicates(self, arr, location, item) :
		pos = location
		# Skip similar elements
		while (item == arr[pos]) :
			pos += 1
		
		return pos
	
	# Perform the cycle sort in given array
	def cycle_sort(self, arr, size) :
		#  Loop controlling variables
		pos = 0
		item = 0
		temp = 0
		cycle_start = 0
		#  count number of memory writes operation 
		writes = 0
		cycle_start = 0
		while (cycle_start < size - 1) :
			# Get current cycle element
			item = arr[cycle_start]
			# Find actual valid location
			pos = self.valid_position(arr, cycle_start, item, size)
			# Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start) :
				pos = self.skip_duplicates(arr, pos, item)
				if (item != arr[pos]) :
					# When new location element are different to current cycle element
					temp = arr[pos]
					arr[pos] = item
					item = temp
					writes += 1
				
				while (pos != cycle_start) :
					# Find actual valid location
					pos = self.valid_position(arr, cycle_start, item, size)
					pos = self.skip_duplicates(arr, pos, item)
					if (item != arr[pos]) :
						temp = arr[pos]
						arr[pos] = item
						item = temp
						writes += 1
					
				
			
			cycle_start += 1
		
	

def main() :
	obj = MySort()
	# Define an sorted array of integers
	arr = [11, 8, 3, 8, 32, -3, 1, 9, 23, 2, 4, 0, 5]
	# Get the size of array
	size = len(arr)
	print("\n Before Sort :\n", end = "")
	obj.display(arr, size)
	# Sort element
	obj.cycle_sort(arr, size)
	print("\n After Sort :\n", end = "")
	obj.display(arr, size)

if __name__ == "__main__": main()

Output

 Before Sort :
  11  8  3  8  32  -3  1  9  23  2  4  0  5

 After Sort :
  -3  0  1  2  3  4  5  8  8  9  11  23  32
# 	Ruby Program
# 	Sort array elements by using Cycle Sort

class MySort

	# Function which is display array elements
	def display(arr, size)
	
		i = 0
		while (i < size)
		
			print(" ", arr[i])
			i += 1
		end
		print("\n")
	end
	#  When given item is not sorted of given array in right side 
	#  then they are returns new location of right side. 
	#  Otherwise they returns current location
	def valid_position(arr, cycle_start, item, size)
	
		pos = cycle_start
		# loop controlling variable
		i = cycle_start + 1
		while (i < size)
		
			if (arr[i] < item)
			
				# Find new position of current cycle element
				pos += 1
			end
			i += 1
		end
		return pos
	end
	# This are used to find the location of next different element
	def skip_duplicates(arr, location, item)
	
		pos = location
		# Skip similar elements
		while (item == arr[pos])
		
			pos += 1
		end
		return pos
	end
	# Perform the cycle sort in given array
	def cycle_sort(arr, size)
	
		#  Loop controlling variables
		pos = 0
		item = 0
		temp = 0
		cycle_start = 0
		#  count number of memory writes operation 
		writes = 0
		cycle_start = 0
		while (cycle_start < size - 1)
		
			# Get current cycle element
			item = arr[cycle_start]
			# Find actual valid location
			pos = self.valid_position(arr, cycle_start, item, size)
			# Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			
				pos = self.skip_duplicates(arr, pos, item)
				if (item != arr[pos])
				
					# When new location element are different to current cycle element
					temp = arr[pos]
					arr[pos] = item
					item = temp
					writes += 1
				end
				while (pos != cycle_start)
				
					# Find actual valid location
					pos = self.valid_position(arr, cycle_start, item, size)
					pos = self.skip_duplicates(arr, pos, item)
					if (item != arr[pos])
					
						temp = arr[pos]
						arr[pos] = item
						item = temp
						writes += 1
					end
				end
			end
			cycle_start += 1
		end
	end
end
def main()

	obj = MySort.new()
	# Define an sorted array of integers
	arr = [11, 8, 3, 8, 32, -3, 1, 9, 23, 2, 4, 0, 5]
	# Get the size of array
	size = arr.length
	print("\n Before Sort :\n")
	obj.display(arr, size)
	# Sort element
	obj.cycle_sort(arr, size)
	print("\n After Sort :\n")
	obj.display(arr, size)
end
main()

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32

/*
	Scala Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	//Function which is display array elements
	def display(arr: Array[Int], size: Int): Unit = {
		var i: Int = 0;
		while (i < size)
		{
			print(" " + arr(i));
			i += 1;
		}
		print("\n");
	}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	def valid_position(arr: Array[Int], cycle_start: Int, item: Int, size: Int): Int = {
		var pos: Int = cycle_start;
		//loop controlling variable
		var i: Int = cycle_start + 1;
		while (i < size)
		{
			if (arr(i) < item)
			{
				//Find new position of current cycle element
				pos += 1;
			}
			i += 1;
		}
		return pos;
	}
	//This are used to find the location of next different element
	def skip_duplicates(arr: Array[Int], location: Int, item: Int): Int = {
		var pos: Int = location;
		//Skip similar elements
		while (item == arr(pos))
		{
			pos += 1;
		}
		return pos;
	}
	//Perform the cycle sort in given array
	def cycle_sort(arr: Array[Int], size: Int): Unit = {
		// Loop controlling variables
		var pos: Int = 0;
		var item: Int = 0;
		var temp: Int = 0;
		var cycle_start: Int = 0;
		// count number of memory writes operation 
		var writes: Int = 0;
		cycle_start = 0;
		while (cycle_start < size - 1)
		{
			//Get current cycle element
			item = arr(cycle_start);
			//Find actual valid location
			pos = valid_position(arr, cycle_start, item, size);
			//Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			{
				pos = skip_duplicates(arr, pos, item);
				if (item != arr(pos))
				{
					//When new location element are different to current cycle element
					temp = arr(pos);
					arr(pos) = item;
					item = temp;
					writes += 1;
				}
				while (pos != cycle_start)
				{
					//Find actual valid location
					pos = valid_position(arr, cycle_start, item, size);
					pos = skip_duplicates(arr, pos, item);
					if (item != arr(pos))
					{
						temp = arr(pos);
						arr(pos) = item;
						item = temp;
						writes += 1;
					}
				}
			}
			cycle_start += 1;
		}
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var obj: MySort = new MySort();
		//Define an sorted array of integers
		var arr: Array[Int] = Array(11, 8, 3, 8, 32, -3, 1, 9, 23, 2, 4, 0, 5);
		//Get the size of array
		var size: Int = arr.length;
		print("\n Before Sort :\n");
		obj.display(arr, size);
		//Sort element
		obj.cycle_sort(arr, size);
		print("\n After Sort :\n");
		obj.display(arr, size);
	}
}

Output

 Before Sort :
 11 8 3 8 32 -3 1 9 23 2 4 0 5

 After Sort :
 -3 0 1 2 3 4 5 8 8 9 11 23 32
/*
	Swift Program
	Sort array elements by using Cycle Sort
*/
class MySort
{
	//Function which is display array elements
	func display(_ arr: [Int], _ size: Int)
	{
		var i: Int = 0;
		while (i < size)
		{
			print(" ", arr[i], terminator: "");
			i += 1;
		}
		print("\n", terminator: "");
	}
	// When given item is not sorted of given array in right side 
	// then they are returns new location of right side. 
	// Otherwise they returns current location
	func valid_position(_ arr: [Int], _ cycle_start: Int, _ item: Int, _ size: Int) -> Int
	{
		var pos: Int = cycle_start;
		//loop controlling variable
		var i: Int = cycle_start + 1;
		while (i < size)
		{
			if (arr[i] < item)
			{
				//Find new position of current cycle element
				pos += 1;
			}
			i += 1;
		}
		return pos;
	}
	//This are used to find the location of next different element
	func skip_duplicates(_ arr: [Int], _ location: Int, _ item: Int) -> Int
	{
		var pos: Int = location;
		//Skip similar elements
		while (item == arr[pos])
		{
			pos += 1;
		}
		return pos;
	}
	//Perform the cycle sort in given array
	func cycle_sort(_ arr: inout[Int], _ size: Int)
	{
		// Loop controlling variables
		var pos: Int = 0;
		var item: Int = 0;
		var temp: Int = 0;
		var cycle_start: Int = 0;
		// count number of memory writes operation 
		var writes: Int = 0;
		cycle_start = 0;
		while (cycle_start < size - 1)
		{
			//Get current cycle element
			item = arr[cycle_start];
			//Find actual valid location
			pos = self.valid_position(arr, cycle_start, item, size);
			//Check whether given current cycle elements is need to modified or not
			if (pos != cycle_start)
			{
				pos = self.skip_duplicates(arr, pos, item);
				if (item != arr[pos])
				{
					//When new location element are different to current cycle element
					temp = arr[pos];
					arr[pos] = item;
					item = temp;
					writes += 1;
				}
				while (pos != cycle_start)
				{
					//Find actual valid location
					pos = self.valid_position(arr, cycle_start, item, size);
					pos = self.skip_duplicates(arr, pos, item);
					if (item != arr[pos])
					{
						temp = arr[pos];
						arr[pos] = item;
						item = temp;
						writes += 1;
					}
				}
			}
			cycle_start += 1;
		}
	}
}
func main()
{
	let obj: MySort = MySort();
	//Define an sorted array of integers
	var arr: [Int] = [11, 8, 3, 8, 32, -3, 1, 9, 23, 2, 4, 0, 5];
	//Get the size of array
	let size: Int = arr.count;
	print("\n Before Sort :\n", terminator: "");
	obj.display(arr, size);
	//Sort element
	obj.cycle_sort(&arr, size);
	print("\n After Sort :\n", terminator: "");
	obj.display(arr, size);
}
main();

Output

 Before Sort :
  11  8  3  8  32  -3  1  9  23  2  4  0  5

 After Sort :
  -3  0  1  2  3  4  5  8  8  9  11  23  32
Last updated on by Kalkicode




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