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Radix sort example

Here given code implementation process.

//C Program
//Radix sort example
#include <stdio.h>
#include <stdlib.h>

//Return maximum element in given array
int maximum_element(int arr[],int size)
{

  int max_value=arr[0],min_value=arr[0];

  for (int i = 1; i < size; ++i)
  {
    if(max_value<arr[i])
    {
      max_value=arr[i];
    }
    if(min_value>arr[i])
    {
      min_value=arr[i];
    }

  }
  if(min_value<0 && -min_value > max_value)
  {
    max_value=-min_value;
  }

  return max_value;
}
//Display array elements
void display(int arr[],int size)
{
  for (int i = 0; i < size; ++i)
  {
    //Print array value of i location
    printf("  %d",arr[i] );
  }
  printf("\n");
}
void run_sort(int arr[],int slot[],int auxiliary[], int size,int mod)
{
  //set initial slot values
  for (int i = 0; i < 10; ++i)
  {
    slot[i]=0;
  }

  for (int i = 0; i < size; ++i)
  {
    if(arr[i]<0)
    {
      printf("\nThis Algorithm are not capable to work to negative numbers\n");
      return;
    }
    //set slot element
    slot[(arr[i]/mod)%10]++;
  }
  //update slot
  for (int i = 1; i < 10; ++i)
  {

    slot[i]+=slot[i-1];

  }
  for (int i = size-1; i >=0 ; --i)
  {
    
    auxiliary[ slot[ ( arr[i] / mod) %10 ]-1 ] = arr[i];
    slot[(arr[i] / mod)%10]--;
  }
  //Assign value of actual array
  for (int i = 0; i < size; ++i)
  {
    arr[i]=auxiliary[i];
  }

}
void radix_sort(int arr[],int size)
{
  //Get the maximum element of array
  int max_value=maximum_element(arr,size);


  int mod = 1;
  //allocated slot of 0 - 9 for positive number 
  int slot[10];

  //Allocate auxiliary space to perform radix sort
  int auxiliary[size];
 
  while(max_value!=0)
  {
   
    run_sort(arr,slot,auxiliary,size,mod);

    mod = mod*10;

    //remove last digit
    max_value /= 10;

  }

}
int main()
{
 
  //Define array elements
  int arr[]= {8,2,3,8,1,3,73,121,54,23,84,13,67,23,52};
  
  //Get the size of array elements
  int size=sizeof(arr)/sizeof(arr[0]);

  printf("Before Sort : \n");
  display(arr,size);
  radix_sort(arr,size);

  printf("After Sort : \n");
  display(arr,size);

 
  return 0;
}

Output

Before Sort :
  8  2  3  8  1  3  73  121  54  23  84  13  67  23  52
After Sort :
  1  2  3  3  8  8  13  23  23  52  54  67  73  84  121
/*
  C++ Program
  Radix sort example
*/
#include<iostream>

using namespace std;

class MySort {
	public:

		//Return maximum element in given array
		int maximum_element(int arr[], int size) {
			int max_value = arr[0], min_value = arr[0];
			for (int i = 1; i < size; ++i) {
				if (max_value < arr[i]) {
					max_value = arr[i];
				}
				if (min_value > arr[i]) {
					min_value = arr[i];
				}
			}
			if (min_value < 0 && -min_value > max_value) {
				max_value = -min_value;
			}
			return max_value;
		}
	//Display array elements
	void display(int arr[], int size) {
		for (int i = 0; i < size; ++i) {
			cout << " " << arr[i];
		}
		cout << "\n";
	}
	void run_sort(int arr[], int slot[], int auxiliary[], int size, int mod) {
		//set initial slot values

		for (int i = 0; i < 10; ++i) {
			slot[i] = 0;
		}
		for (int i = 0; i < size; ++i) {
			if (arr[i] < 0) {
				cout << "\nThis Algorithm are not capable to work to negative numbers\n";
				return;
			}
			//set slot element
			slot[(arr[i] / mod) % 10]++;
		}
		//update slot

		for (int i = 1; i < 10; ++i) {
			slot[i] += slot[i - 1];
		}
		for (int i = size - 1; i >= 0; --i) {
			auxiliary[slot[(arr[i] / mod) % 10] - 1] = arr[i];
			slot[(arr[i] / mod) % 10]--;
		}
		//Assign value of actual array

		for (int i = 0; i < size; ++i) {
			arr[i] = auxiliary[i];
		}
	}
	void radix_sort(int arr[], int size) {
		//Get the maximum element of array
		int max_value = this->maximum_element(arr, size);
		int mod = 1;
		int slot[10];
		int auxiliary[size];
		while (max_value != 0) {
			this->run_sort(arr, slot, auxiliary, size, mod);
			mod = mod *10;
			//remove last digit
			max_value /= 10;
		}
	}
};
int main() {
	MySort obj ;
	int arr[] = {
		8,
		2,
		3,
		8,
		1,
		3,
		73,
		121,
		54,
		23,
		84,
		13,
		67,
		23,
		52
	};
	//Get the size of array
	int size = sizeof(arr) / sizeof(arr[0]);
	cout << "Before Sort : \n";
	obj.display(arr, size);
	obj.radix_sort(arr, size);
	cout << "After Sort : \n";
	obj.display(arr, size);
	return 0;
}

Output

Before Sort :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121
/*
  Java Program
  Radix sort example
*/
public class MySort {


  //Return maximum element in given array
  public int maximum_element(int []arr,int size)
  {

    int max_value=arr[0],min_value=arr[0];

    for (int i = 1; i < size; ++i)
    {
      if(max_value<arr[i])
      {
        max_value=arr[i];
      }
      if(min_value>arr[i])
      {
        min_value=arr[i];
      }

    }
    if(min_value<0 && -min_value > max_value)
    {
      max_value=-min_value;
    }

    return max_value;
  }
  //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");
  }
  public void run_sort(int []arr,int []slot,int []auxiliary, int size,int mod)
  {
    //set initial slot values
    for (int i = 0; i < 10; ++i)
    {
      slot[i]=0;
    }

    for (int i = 0; i < size; ++i)
    {
      if(arr[i]<0)
      {
        System.out.print("\nThis Algorithm are not capable to work to negative numbers\n");
        return;
      }
      //set slot element
      slot[(arr[i]/mod)%10]++;
    }
    //update slot
    for (int i = 1; i < 10; ++i)
    {

      slot[i]+=slot[i-1];

    }
    for (int i = size-1; i >=0 ; --i)
    {
      
      auxiliary[ slot[ ( arr[i] / mod) %10 ]-1 ] = arr[i];
      slot[(arr[i] / mod)%10]--;
    }
    //Assign value of actual array
    for (int i = 0; i < size; ++i)
    {
      arr[i]=auxiliary[i];
    }

  }
  public void radix_sort(int []arr,int size)
  {
    //Get the maximum element of array
    int max_value=maximum_element(arr,size);


    int mod = 1;
    //allocated slot of 0 - 9 for positive number 
    int []slot= new int[10];

    //Allocate auxiliary space to perform radix sort
    int []auxiliary = new int[size];
   
    while(max_value!=0)
    {
     
      run_sort(arr,slot,auxiliary,size,mod);

      mod = mod*10;

      //remove last digit
      max_value /= 10;

    }

  }
  public static void main(String[] args) 
  {
  

    MySort obj = new MySort();
    //Define array elements
    int []arr= {8,2,3,8,1,3,73,121,54,23,84,13,67,23,52};
    //Get the size of array
    int size = arr.length;
    System.out.print("Before Sort : \n");
    obj.display(arr,size);

    obj.radix_sort(arr,size);
    System.out.print("After Sort : \n");
    obj.display(arr,size);

  }
}

Output

Before Sort :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121
/*
  C# Program
  Radix sort example
*/
using System;
public class MySort {
	//Return maximum element in given array
	public int maximum_element(int[] arr, int size) {
		int max_value = arr[0], min_value = arr[0];
		for (int i = 1; i < size; ++i) {
			if (max_value < arr[i]) {
				max_value = arr[i];
			}
			if (min_value > arr[i]) {
				min_value = arr[i];
			}
		}
		if (min_value < 0 && -min_value > max_value) {
			max_value = -min_value;
		}
		return max_value;
	}
	//Display array elements
	public void display(int[] arr, int size) {
		for (int i = 0; i < size; ++i) {
			Console.Write(" " + arr[i]);
		}
		Console.Write("\n");
	}
	public void run_sort(int[] arr, int[] slot, int[] auxiliary, int size, int mod) {
		//set initial slot values

		for (int i = 0; i < 10; ++i) {
			slot[i] = 0;
		}
		for (int i = 0; i < size; ++i) {
			if (arr[i] < 0) {
				Console.Write("\nThis Algorithm are not capable to work to negative numbers\n");
				return;
			}
			//set slot element
			slot[(arr[i] / mod) % 10]++;
		}
		//update slot

		for (int i = 1; i < 10; ++i) {
			slot[i] += slot[i - 1];
		}
		for (int i = size - 1; i >= 0; --i) {
			auxiliary[slot[(arr[i] / mod) % 10] - 1] = arr[i];
			slot[(arr[i] / mod) % 10]--;
		}
		//Assign value of actual array

		for (int i = 0; i < size; ++i) {
			arr[i] = auxiliary[i];
		}
	}
	public void radix_sort(int[] arr, int size) {
		//Get the maximum element of array
		int max_value = maximum_element(arr, size);
		int mod = 1;
      	//allocated slot of 0 - 9 for positive number 
		int[] slot = new int[10];
      	//Allocate auxiliary space to perform radix sort
		int[] auxiliary = new int[size];
		while (max_value != 0) {
			run_sort(arr, slot, auxiliary, size, mod);
			mod = mod * 10;
			//remove last digit
			max_value /= 10;
		}
	}
	public static void Main(String[] args) {
		MySort obj = new MySort();
		int[]
		//Define array elements
		arr = {
			8,
			2,
			3,
			8,
			1,
			3,
			73,
			121,
			54,
			23,
			84,
			13,
			67,
			23,
			52
		};
		//Get the size of array
		int size = arr.Length;
		Console.Write("Before Sort : \n");
		obj.display(arr, size);
		obj.radix_sort(arr, size);
		Console.Write("After Sort : \n");
		obj.display(arr, size);
	}
}

Output

Before Sort :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121
<?php
/*
  Php Program
  Radix sort example
*/
class MySort {
	//Return maximum element in given array

	public 	function maximum_element($arr, $size) {
		$max_value = $arr[0];
		$min_value = $arr[0];
		for ($i = 1; $i < $size; ++$i) {
			if ($max_value < $arr[$i]) {
				$max_value = $arr[$i];
			}
			if ($min_value > $arr[$i]) {
				$min_value = $arr[$i];
			}
		}
		if ($min_value < 0 && -$min_value > $max_value) {
			$max_value = -$min_value;
		}
		return $max_value;
	}
	//Display array elements

	public 	function display($arr, $size) {
		for ($i = 0; $i < $size; ++$i) {
			echo(" ". $arr[$i]);
		}
		echo("\n");
	}
	public 	function run_sort(&$arr, $slot, $auxiliary, $size, $mod) {
		//set initial slot values

		for ($i = 0; $i < 10; ++$i) {
			$slot[$i] = 0;
		}
		for ($i = 0; $i < $size; ++$i) {
			if ($arr[$i] < 0) {
				echo("\nThis Algorithm are not capable to work to negative numbers\n");
				return;
			}
			//set slot element
			$slot[(intval($arr[$i] / $mod)) % 10]++;
		}
		//update slot

		for ($i = 1; $i < 10; ++$i) {
			$slot[$i] += $slot[$i - 1];
		}
		for ($i = $size - 1; $i >= 0; --$i) {
			$auxiliary[$slot[(intval($arr[$i] / $mod)) % 10] - 1] = $arr[$i];
			$slot[(intval($arr[$i] / $mod)) % 10]--;
		}
		//Assign value of actual array

		for ($i = 0; $i < $size; ++$i) {
			$arr[$i] = $auxiliary[$i];
		}
	}
	public 	function radix_sort(&$arr, $size) {
		//Get the maximum element of array
		$max_value = $this->maximum_element($arr, $size);
		$mod = 1;
		//allocated slot of 0 - 9 for positive number 
		$slot = array_fill(0, 10, 0);
		//Allocate auxiliary space to perform radix sort
		$auxiliary = array_fill(0, $size, 0);
		while ($max_value != 0) {
			$this->run_sort($arr, $slot, $auxiliary, $size, $mod);
			$mod = $mod *10;
          	//remove last digit
			$max_value = intval($max_value / 10);
		}
	}
}

function main() {
	$obj = new MySort();
	//Define array elements
	$arr = array(8, 2, 3, 8, 1, 3, 73, 121, 54, 23, 84, 13, 67, 23, 52);
	//Get the size of array
	$size = count($arr);
	echo("Before Sort : \n");
	$obj->display($arr, $size);
	$obj->radix_sort($arr, $size);
	echo("After Sort : \n");
	$obj->display($arr, $size);

}
main();

Output

Before Sort :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121
/*
  Node Js Program
  Radix sort example
*/
class MySort {
	//Return maximum element in given array
	maximum_element(arr, size) {
		var max_value = arr[0];
		var min_value = arr[0];
		for (var i = 1; i < size; ++i) {
			if (max_value < arr[i]) {
				max_value = arr[i];
			}

			if (min_value > arr[i]) {
				min_value = arr[i];
			}
		}

		if (min_value < 0 && -min_value > max_value) {
			max_value = -min_value;
		}

		return max_value;
	}

	//Display array elements
	display(arr, size) {
		for (var i = 0; i < size; ++i) {
			process.stdout.write(" " + arr[i]);
		}

		process.stdout.write("\n");
	}
	run_sort(arr, slot, auxiliary, size, mod) {
		//set initial slot values

		for (var i = 0; i < 10; ++i) {
			slot[i] = 0;
		}

		for (var i = 0; i < size; ++i) {
			if (arr[i] < 0) {
				process.stdout.write("\nThis Algorithm are not capable to work to negative numbers\n");
				return;
			}

			//set slot element
			slot[(parseInt(arr[i] / mod)) % 10]++;
		}

		//update slot

		for (var i = 1; i < 10; ++i) {
			slot[i] += slot[i - 1];
		}

		for (var i = size - 1; i >= 0; --i) {
			auxiliary[slot[(parseInt(arr[i] / mod)) % 10] - 1] = arr[i];
			slot[(parseInt(arr[i] / mod)) % 10]--;
		}

		//Assign value of actual array

		for (var i = 0; i < size; ++i) {
			arr[i] = auxiliary[i];
		}
	}
	radix_sort(arr, size) {
		//Get the maximum element of array
		var max_value = this.maximum_element(arr, size);
		var mod = 1;
		//allocated slot of 0 - 9 for positive number 
		var slot = Array(10).fill(0);
		//Allocate auxiliary space to perform radix sort
		var auxiliary = Array(size).fill(0);
		while (max_value != 0) {
			this.run_sort(arr, slot, auxiliary, size, mod);
			mod = mod *10;
          	//remove last digit
			max_value = parseInt(max_value / 10);
		}
	}
}

function main(args) {
	var obj = new MySort();
	//Define array elements
	var arr = [8, 2, 3, 8, 1, 3, 73, 121, 54, 23, 84, 13, 67, 23, 52];
	//Get the size of array
	var size = arr.length;
	process.stdout.write("Before Sort : \n");
	obj.display(arr, size);
	obj.radix_sort(arr, size);
	process.stdout.write("After Sort : \n");
	obj.display(arr, size);
}

main();

Output

Before Sort :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121
# Python 3 Program
# Radix sort example
class MySort :
	# Return maximum element in given array
	def maximum_element(self, arr, size) :
		max_value = arr[0]
		min_value = arr[0]
		i = 1
		while (i < size) :
			if (max_value < arr[i]) :
				max_value = arr[i]
			
			if (min_value > arr[i]) :
				min_value = arr[i]
			
			i += 1
		
		if (min_value < 0 and - min_value > max_value) :
			max_value = -min_value
		
		return max_value
	
	# Display array elements
	def display(self, arr, size) :
		i = 0
		while (i < size) :
			print(" ", arr[i], end = "")
			i += 1
		
		print("\n", end = "")
	
	def run_sort(self, arr, slot, auxiliary, size, mod) :
		# set initial slot values
		i = 0
		while (i < 10) :
			slot[i] = 0
			i += 1
		
		i = 0
		while (i < size) :
			if (arr[i] < 0) :
				print("\nThis Algorithm are not capable to work to negative numbers\n", end = "")
				return
			
			# set slot element
			slot[(int(arr[i] / mod)) % 10] += 1
			i += 1
		
		# update slot
		i = 1
		while (i < 10) :
			slot[i] += slot[i - 1]
			i += 1
		
		i = size - 1
		while (i >= 0) :
			auxiliary[slot[(int(arr[i] / mod)) % 10] - 1] = arr[i]
			slot[(int(arr[i] / mod)) % 10] -= 1
			i -= 1
		
		# Assign value of actual array
		i = 0
		while (i < size) :
			arr[i] = auxiliary[i]
			i += 1
		
	
	def radix_sort(self, arr, size) :
		max_value = self.maximum_element(arr, size)
		mod = 1
		slot = [0] * 10
		auxiliary = [0] * size
		while (max_value != 0) :
			self.run_sort(arr, slot, auxiliary, size, mod)
			mod = mod * 10
			# remove last digit
			max_value = int(max_value / 10)
		
	

def main() :
	obj = MySort()
	arr = [8, 2, 3, 8, 1, 3, 73, 121, 54, 23, 84, 13, 67, 23, 52]
	size = len(arr)
	print("Before Sort : \n", end = "")
	obj.display(arr, size)
	obj.radix_sort(arr, size)
	print("After Sort : \n", end = "")
	obj.display(arr, size)


if __name__ == "__main__":
	main()

Output

Before Sort :
  8  2  3  8  1  3  73  121  54  23  84  13  67  23  52
After Sort :
  1  2  3  3  8  8  13  23  23  52  54  67  73  84  121
#   Ruby Program
#   Radix sort example
class MySort 
	# Return maximum element in given array
	def maximum_element(arr, size) 
		max_value = arr[0]
		min_value = arr[0]
		i = 1
		while (i < size) 
			if (max_value < arr[i]) 
				max_value = arr[i]
			end
			if (min_value > arr[i]) 
				min_value = arr[i]
			end
			i += 1
		end
		if (min_value < 0 && -min_value > max_value) 
			max_value = -min_value
		end
		return max_value
	end
	# Display array elements
	def display(arr, size) 
		i = 0
		while (i < size) 
			print(" ", arr[i])
			i += 1
		end
		print("\n")
	end
	def run_sort(arr, slot, auxiliary, size, mod) 
		# set initial slot values
		i = 0
		while (i < 10) 
			slot[i] = 0
			i += 1
		end
		i = 0
		while (i < size) 
			if (arr[i] < 0) 
				print("\nThis Algorithm are not capable to work to negative numbers\n")
				return
			end
			# set slot element
			slot[(arr[i] / mod) % 10] += 1
			i += 1
		end
		# update slot
		i = 1
		while (i < 10) 
			slot[i] += slot[i - 1]
			i += 1
		end
		i = size - 1
		while (i >= 0) 
			auxiliary[slot[(arr[i] / mod) % 10] - 1] = arr[i]
			slot[(arr[i] / mod) % 10] -= 1
			i -= 1
		end
		# Assign value of actual array
		i = 0
		while (i < size) 
			arr[i] = auxiliary[i]
			i += 1
		end
	end
	def radix_sort(arr, size) 
		max_value = self.maximum_element(arr, size)
		mod = 1
		slot = Array.new(10, 0)
		auxiliary = Array.new(size, 0)
		while (max_value != 0) 
			self.run_sort(arr, slot, auxiliary, size, mod)
			mod = mod * 10
			# remove last digit
			max_value /= 10
		end
	end
end
def main() 
	obj = MySort.new()
	arr = [8, 2, 3, 8, 1, 3, 73, 121, 54, 23, 84, 13, 67, 23, 52]
	size = arr.length
	print("Before Sort  :\n")
	obj.display(arr, size)
	obj.radix_sort(arr, size)
	print("After Sort  :\n")
	obj.display(arr, size)
end
main()

Output

Before Sort  :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort  :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121

/*
  Scala Program
  Radix sort example
*/
class MySort {
	//Return maximum element in given array
	def maximum_element(arr: Array[Int], size: Int): Int = {
		var max_value: Int = arr(0);
		var min_value: Int = arr(0);
		var i: Int = 1;
		while (i < size) {
			if (max_value < arr(i)) {
				max_value = arr(i);
			}
			if (min_value > arr(i)) {
				min_value = arr(i);
			}
			i += 1;
		}
		if (min_value < 0 && -min_value > max_value) {
			max_value = -min_value;
		}
		return max_value;
	}
	//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");
	}
	def run_sort(arr: Array[Int], slot: Array[Int], auxiliary: Array[Int], size: Int, mod: Int): Unit = {
		//set initial slot values
		var i: Int = 0;
		while (i < 10) {
			slot(i) = 0;
			i += 1;
		}
		i = 0;
		while (i < size) {
			if (arr(i) < 0) {
				print("\nThis Algorithm are not capable to work to negative numbers\n");

				return;
			}
			//set slot element
			slot(((arr(i) / mod).toInt) % 10) += 1;
			i += 1;
		}
		//update slot
		i = 1;
		while (i < 10) {
			slot(i) += slot(i - 1);
			i += 1;
		}
		i = size - 1;
		while (i >= 0) {
			auxiliary(slot(((arr(i) / mod).toInt) % 10) - 1) = arr(i);
			slot(((arr(i) / mod).toInt) % 10) -= 1;
			i -= 1;
		}
		//Assign value of actual array
		i = 0;
		while (i < size) {
			arr(i) = auxiliary(i);
			i += 1;
		}
	}
	def radix_sort(arr: Array[Int], size: Int): Unit = {
		var max_value: Int = this.maximum_element(arr, size);
		var mod: Int = 1;
		val slot: Array[Int] = Array.fill[Int](10)(0);
		val auxiliary: Array[Int] = Array.fill[Int](size)(0);
        while (max_value != 0) {
            this.run_sort(arr, slot, auxiliary, size, mod);
            mod = mod * 10;
          //remove last digit
            max_value = (max_value / 10).toInt;
        }
    }
}
object Main {
	def main(args: Array[String]): Unit = {
		val obj: MySort = new MySort();
		var arr: Array[Int] = Array(8, 2, 3, 8, 1, 3, 73, 121, 54, 23, 84, 13, 67, 23, 52);
		val size: Int = arr.length;
		print("Before Sort : \n");
		obj.display(arr, size);
		obj.radix_sort(arr, size);
		print("After Sort : \n");
		obj.display(arr, size);
	}
}

Output

Before Sort :
 8 2 3 8 1 3 73 121 54 23 84 13 67 23 52
After Sort :
 1 2 3 3 8 8 13 23 23 52 54 67 73 84 121
/*
  Swift Program
  Radix sort example
*/
class MySort {
	//Return maximum element in given array
	func maximum_element(_ arr: [Int], _ size: Int) -> Int {
		var max_value: Int = arr[0];
		var min_value: Int = arr[0];
		var i: Int = 1;
		while (i < size) {
			if (max_value < arr[i]) {
				max_value = arr[i];
			}
			if (min_value > arr[i]) {
				min_value = arr[i];
			}
			i += 1;
		}
		if (min_value < 0 && -min_value > max_value) {
			max_value = -min_value;
		}
		return max_value;
	}
	//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: "");
	}
	func run_sort(_ arr: inout [Int], _ slot: inout [Int], _ auxiliary: inout [Int], _ size: Int, _ mod: Int) {
		//set initial slot values
		var i: Int = 0;
		while (i < 10) {
			slot[i] = 0;
			i += 1;
		}
		i = 0;
		while (i < size) {
			if (arr[i] < 0) {
				print("\nThis Algorithm are not capable to work to negative numbers\n", terminator: "");
				return;
			}
			//set slot element
			slot[(arr[i] / mod) % 10] += 1;
			i += 1;
		}
		//update slot
		i = 1;
		while (i < 10) {
			slot[i] += slot[i - 1];
			i += 1;
		}
		i = size - 1;
		while (i >= 0) {
			auxiliary[slot[(arr[i] / mod) % 10] - 1] = arr[i];
			slot[(arr[i] / mod) % 10] -= 1;
			i -= 1;
		}
		//Assign value of actual array
		i = 0;
		while (i < size) {
			arr[i] = auxiliary[i];
			i += 1;
		}
	}
	func radix_sort(_ arr: inout [Int], _ size: Int) {
		var max_value: Int = self.maximum_element(arr, size);
		var mod: Int = 1;
		var slot: [Int] = Array(repeating: 0, count: 10);
		var auxiliary: [Int] = Array(repeating: 0, count: size);
        while (max_value != 0) {
            self.run_sort(&arr, &slot, &auxiliary, size, mod);
            mod = mod * 10;
            //remove last digit
            max_value /= 10;
        }
	}
}
func main() {
	let obj: MySort = MySort();
	var arr: [Int] = [8, 2, 3, 8, 1, 3, 73, 121, 54, 23, 84, 13, 67, 23, 52];
	let size: Int = arr.count;
	print("Before Sort : \n", terminator: "");
	obj.display(arr, size);
	obj.radix_sort(&arr, size);
	print("After Sort : \n", terminator: "");
	obj.display(arr, size);
}
main();

Output

Before Sort :
  8  2  3  8  1  3  73  121  54  23  84  13  67  23  52
After Sort :
  1  2  3  3  8  8  13  23  23  52  54  67  73  84  121
Last updated on by Kalkicode




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