Bucket Sort
Here given code implementation process.
/*
Java Program
Sort the Array elements using bucket Sort
*/
// This are storing information about array element
class Node {
public int data;
public Node next;
public Node(int data) {
this.data = data;
this.next = null;
}
}
public class BucketSort {
public Node[] slot;
public BucketSort(int size) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
slot = new Node[size];
//Set that initial have no element in bucket
for (int i = 0; i < size; i++) {
slot[i] = null;
}
}
//Get the location of array elements
public int location(int data, int element, int max_value) {
return data*element / (max_value + 1);
}
//Find the maximum element in given array
public int maximum_element(int []arr, int size) {
int max_value = arr[0];
for (int i = 1; i < size; ++i) {
if (max_value < arr[i]) {
max_value = arr[i];
}
}
return max_value;
}
public void sorted_add(Node auxiliary, int data) {
//Find node to insert new element
while (auxiliary != null && auxiliary.next != null && auxiliary.next.data <= data) {
auxiliary = auxiliary.next;
}
//Create new node and fit into bucket
Node node = new Node(data);
node.next = auxiliary.next;
auxiliary.next = node;
}
public void bucket_sort(int []arr, int size) {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
int max_value = maximum_element(arr, size);
//Some variables which are using to perform sorting execution
Node auxiliary = null, temp = null;
int index = 0;
for (int i = 0; i < size; ++i) {
index = location(arr[i], size, max_value);
// check given slot are null or not
if (slot[index] == null) {
// inserting first element in given (index) slot
slot[index] = new Node(arr[i]);
} else {
// In this case slots are not empty then get first node in slot
auxiliary = slot[index];
if (auxiliary.data >= arr[i]) {
//add new node at first position in bucket
temp = new Node(arr[i]);
temp.next = auxiliary;
slot[index] = temp;
} else {
//otherwise add node in sorted way
sorted_add(auxiliary, arr[i]);
}
}
}
//Assign slot value into actual array
for (int i = 0, j = 0; i < size && j < size; ++i) {
if (slot[i] != null) {
auxiliary = slot[i];
//Check if bucket slot empty or not
while (auxiliary != null) {
arr[j] = auxiliary.data;
auxiliary = auxiliary.next;
j++;
}
}
}
}
//Display array element
public void display(int []arr, int size) {
for (int i = 0; i < size; ++i) {
//print array element value
System.out.print(" " + arr[i]);
}
System.out.print("\n");
}
public static void main(String[] args) {
//Array which are sorting by using bucket sort
int[] arr = {8,3,8,1,3,73,-3,121,54,23,84,13,67,23,52};
//Get the size of array
int size = arr.length;
BucketSort obj = new BucketSort(size);
//sort element
obj.bucket_sort(arr, size);
//display array element
obj.display(arr, size);
}
}
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121/*
C++ Program
Sort the Array elements using bucket Sort
*/
#include<iostream>
using namespace std;
// This are storing information about array element
class Node {
public:
int data;
Node *next;
Node(int data) {
this->data = data;
this->next = NULL;
}
};
class BucketSort {
public:
Node **slot;
BucketSort(int size) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
slot = new Node*[size];
//Set that initial have no element in bucket
for (int i = 0; i < size; i++) {
slot[i] = NULL;
}
}
//Get the location of array elements
int location(int data, int element, int max_value) {
return data *element / (max_value + 1);
}
//Find the maximum element in given array
int maximum_element(int arr[], int size) {
int max_value = arr[0];
for (int i = 1; i < size; ++i) {
if (max_value < arr[i]) {
max_value = arr[i];
}
}
return max_value;
}
void sorted_add(Node *auxiliary, int data) {
//Find node to insert new element
while (auxiliary != NULL && auxiliary->next != NULL && auxiliary->next->data <= data) {
auxiliary = auxiliary->next;
}
//Create new node and fit into bucket
Node *node = new Node(data);
node->next = auxiliary->next;
auxiliary->next = node;
}
void bucket_sort(int arr[], int size) {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
int max_value = this->maximum_element(arr, size);
//Some variables which are using to perform sorting execution
Node *auxiliary = NULL, *temp = NULL;
int index = 0;
for (int i = 0; i < size; ++i) {
index = this->location(arr[i], size, max_value);
// check given slot are null or not
if (this->slot[index] == NULL) {
// inserting first element in given (index) slot
this->slot[index] = new Node(arr[i]);
} else {
// In this case slots are not empty then get first node in slot
auxiliary = this->slot[index];
if (auxiliary->data >= arr[i]) {
//add new node at first position in bucket
temp = new Node(arr[i]);
temp->next = auxiliary;
this->slot[index] = temp;
} else {
//otherwise add node in sorted way
this->sorted_add(auxiliary, arr[i]);
}
}
}
//Assign slot value into actual array
for (int i = 0, j = 0; i < size && j < size; ++i) {
if (this->slot[i] != NULL) {
auxiliary = this->slot[i];
//Check if bucket slot empty or not
while (auxiliary != NULL) {
arr[j] = auxiliary->data;
auxiliary = auxiliary->next;
j++;
}
}
}
}
//Display array element
void display(int arr[], int size) {
for (int i = 0; i < size; ++i) {
//print array element value
cout << " " << arr[i];
}
cout << "\n";
}
};
int main() {
//Array which are sorting by using bucket sort
int arr[] = {8,3,8,1,3,73,-3,121,54,23,84,13,67,23,52};
//Get the size of array
int size = sizeof(arr)/sizeof(arr[0]);
BucketSort obj(size);
//sort element
obj.bucket_sort(arr, size);
//display array element
obj.display(arr, size);
return 0;
}
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121/*
Java Program
Sort the Array elements using bucket Sort
*/
// This are storing information about array element
class Node {
public int data;
public Node next;
public Node(int data) {
this.data = data;
this.next = null;
}
}
public class BucketSort {
public Node[] slot;
public BucketSort(int size) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
slot = new Node[size];
//Set that initial have no element in bucket
for (int i = 0; i < size; i++) {
slot[i] = null;
}
}
//Get the location of array elements
public int location(int data, int element, int max_value) {
return data*element / (max_value + 1);
}
//Find the maximum element in given array
public int maximum_element(int []arr, int size) {
int max_value = arr[0];
for (int i = 1; i < size; ++i) {
if (max_value < arr[i]) {
max_value = arr[i];
}
}
return max_value;
}
public void sorted_add(Node auxiliary, int data) {
//Find node to insert new element
while (auxiliary != null && auxiliary.next != null && auxiliary.next.data <= data) {
auxiliary = auxiliary.next;
}
//Create new node and fit into bucket
Node node = new Node(data);
node.next = auxiliary.next;
auxiliary.next = node;
}
public void bucket_sort(int []arr, int size) {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
int max_value = maximum_element(arr, size);
//Some variables which are using to perform sorting execution
Node auxiliary = null, temp = null;
int index = 0;
for (int i = 0; i < size; ++i) {
index = location(arr[i], size, max_value);
// check given slot are null or not
if (slot[index] == null) {
// inserting first element in given (index) slot
slot[index] = new Node(arr[i]);
} else {
// In this case slots are not empty then get first node in slot
auxiliary = slot[index];
if (auxiliary.data >= arr[i]) {
//add new node at first position in bucket
temp = new Node(arr[i]);
temp.next = auxiliary;
slot[index] = temp;
} else {
//otherwise add node in sorted way
sorted_add(auxiliary, arr[i]);
}
}
}
//Assign slot value into actual array
for (int i = 0, j = 0; i < size && j < size; ++i) {
if (slot[i] != null) {
auxiliary = slot[i];
//Check if bucket slot empty or not
while (auxiliary != null) {
arr[j] = auxiliary.data;
auxiliary = auxiliary.next;
j++;
}
}
}
}
//Display array element
public void display(int []arr, int size) {
for (int i = 0; i < size; ++i) {
//print array element value
System.out.print(" " + arr[i]);
}
System.out.print("\n");
}
public static void main(String[] args) {
//Array which are sorting by using bucket sort
int[] arr = {8,3,8,1,3,73,-3,121,54,23,84,13,67,23,52};
//Get the size of array
int size = arr.length;
BucketSort obj = new BucketSort(size);
//sort element
obj.bucket_sort(arr, size);
//display array element
obj.display(arr, size);
}
}
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121
/*
C# Program
Sort the Array elements using bucket Sort
*/
using System;
// This are storing information about array element
public class Node {
public int data;
public Node next;
public Node(int data) {
this.data = data;
this.next = null;
}
}
public class BucketSort {
public Node[] slot;
public BucketSort(int size) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
slot = new Node[size];
//Set that initial have no element in bucket
for (int i = 0; i < size; i++) {
slot[i] = null;
}
}
//Get the location of array elements
public int location(int data, int element, int max_value) {
return data*element / (max_value + 1);
}
//Find the maximum element in given array
public int maximum_element(int []arr, int size) {
int max_value = arr[0];
for (int i = 1; i < size; ++i) {
if (max_value < arr[i]) {
max_value = arr[i];
}
}
return max_value;
}
public void sorted_add(Node auxiliary, int data) {
//Find node to insert new element
while (auxiliary != null && auxiliary.next != null && auxiliary.next.data <= data) {
auxiliary = auxiliary.next;
}
//Create new node and fit into bucket
Node node = new Node(data);
node.next = auxiliary.next;
auxiliary.next = node;
}
public void bucket_sort(int []arr, int size) {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
int max_value = maximum_element(arr, size);
//Some variables which are using to perform sorting execution
Node auxiliary = null, temp = null;
int index = 0;
for (int i = 0; i < size; ++i) {
index = location(arr[i], size, max_value);
// check given slot are null or not
if (slot[index] == null) {
// inserting first element in given (index) slot
slot[index] = new Node(arr[i]);
} else {
// In this case slots are not empty then get first node in slot
auxiliary = slot[index];
if (auxiliary.data >= arr[i]) {
//add new node at first position in bucket
temp = new Node(arr[i]);
temp.next = auxiliary;
slot[index] = temp;
} else {
//otherwise add node in sorted way
sorted_add(auxiliary, arr[i]);
}
}
}
//Assign slot value into actual array
for (int i = 0, j = 0; i < size && j < size; ++i) {
if (slot[i] != null) {
auxiliary = slot[i];
//Check if bucket slot empty or not
while (auxiliary != null) {
arr[j] = auxiliary.data;
auxiliary = auxiliary.next;
j++;
}
}
}
}
//Display array element
public void display(int []arr, int size) {
for (int i = 0; i < size; ++i) {
//print array element value
Console.Write(" " + arr[i]);
}
Console.Write("\n");
}
public static void Main(String[] args) {
//Array which are sorting by using bucket sort
int[] arr = {8,3,8,1,3,73,-3,121,54,23,84,13,67,23,52};
//Get the size of array
int size = arr.Length;
BucketSort obj = new BucketSort(size);
//sort element
obj.bucket_sort(arr, size);
//display array element
obj.display(arr, size);
}
}
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121# Python 3 Program
# Sort the Array elements using bucket Sort
# This are storing information about array element
class Node :
def __init__(self, data) :
self.data = data
self.next = None
class BucketSort :
def __init__(self,size) :
# Which is store the information of sort element
# First create auxiliary memory to Bucket type
self.slot = [None]*size
i = 0
# Set that initial have no element in bucket
while (i < size) :
self.slot[i] = None
i += 1
# Get the location of array elements
def location(self, data, element, max_value) :
return int(data * element / (max_value + 1))
# Find the maximum element in given array
def maximum_element(self, arr, size) :
max_value = arr[0]
i = 1
while (i < size) :
if (max_value < arr[i]) :
max_value = arr[i]
i += 1
return max_value
def sorted_add(self, auxiliary, data) :
# Find node to insert new element
while (auxiliary != None and auxiliary.next != None and auxiliary.next.data <= data) :
auxiliary = auxiliary.next
# Create new node and fit into bucket
node = Node(data)
node.next = auxiliary.next
auxiliary.next = node
def bucket_sort(self, arr, size) :
if (size <= 0) :
return
# Because calculation is based on max element value
# We are need to find maximum element in array
max_value = self.maximum_element(arr, size)
# Some variables which are using to perform sorting execution
auxiliary = None
temp = None
index = 0
i = 0
j = 0
while (i < size) :
index = self.location(arr[i], size, max_value)
# check given slot are null or not
if (self.slot[index] == None) :
# inserting first element in given (index) slot
self.slot[index] = Node(arr[i])
else :
# In this case slots are not empty then get first node in slot
auxiliary = self.slot[index]
if (auxiliary.data >= arr[i]) :
# add new node at first position in bucket
temp = Node(arr[i])
temp.next = auxiliary
self.slot[index] = temp
else :
# otherwise add node in sorted way
self.sorted_add(auxiliary, arr[i])
i += 1
i = 0
j = 0
# Assign slot value into actual array
while (i < size and j < size) :
if (self.slot[i] != None) :
auxiliary = self.slot[i]
# Check if bucket slot empty or not
while (auxiliary != None) :
arr[j] = auxiliary.data
auxiliary = auxiliary.next
j += 1
i += 1
# Display array element
def display(self, arr, size) :
i = 0
while (i < size) :
# print array element value
print(" ", arr[i],end="")
i += 1
print(end="\n")
def main() :
# Array which are sorting by using bucket sort
arr = [8, 3, 8, 1, 3, 73, -3, 121, 54, 23, 84, 13, 67, 23, 52]
# Get the size of array
size = len(arr)
obj = BucketSort(size)
# sort element
obj.bucket_sort(arr, size)
# display array element
obj.display(arr, size)
if __name__ == "__main__":
main()
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121# Ruby Program
# Sort the Array elements using bucket Sort
# This are storing information about array element
class Node
# Define the accessor and reader of class Node
attr_reader :data, :next
attr_accessor :data, :next
def initialize(data)
self.data = data
self.next = nil
end
end
class BucketSort
# Define the accessor and reader of class BucketSort
attr_reader :slot
attr_accessor :slot
def initialize(size)
# Which is store the information of sort element
# First create auxiliary memory to Bucket type
@slot = Array.new(size,nil)
i = 0
# Set that initial have no element in bucket
while (i < size)
@slot[i] = nil
i += 1
end
end
# Get the location of array elements
def location(data, size, max_value)
return ((data * size) / (max_value + 1)).to_i
end
# Find the maximum element in given array
def maximum_element(arr, size)
max_value = arr[0]
i = 1
while (i < size)
if (max_value < arr[i])
max_value = arr[i]
end
i += 1
end
return max_value
end
def sorted_add(auxiliary, data)
# Find node to insert new element
while (auxiliary != nil and auxiliary.next != nil and auxiliary.next.data <= data)
auxiliary = auxiliary.next
end
# Create new node and fit into bucket
node = Node.new(data)
node.next = auxiliary.next
auxiliary.next = node
end
def bucket_sort(arr, size)
if (size <= 0)
return
end
# Because calculation is based on max element value
# We are need to find maximum element in array
max_value = self.maximum_element(arr, size)
# Some variables which are using to perform sorting execution
auxiliary = nil
temp = nil
location = 0
i = 0
j = 0
while (i < size)
location = self.location(arr[i], size, max_value)
if(location<0)
# when unnecessarily producing a invalid index
# ex : (-3*15 / 121 ) == -0.37190082644
# but ruby (ruby 2.3) producing -1
location=0
end
# check given slot are null or not
if (@slot[location] == nil)
# inserting first element in given (location) slot
@slot[location] = Node.new(arr[i])
else
# In this case slots are not empty then get first node in slot
auxiliary = @slot[location]
if (auxiliary.data >= arr[i])
# add new node at first position in bucket
temp = Node.new(arr[i])
temp.next = auxiliary
@slot[location] = temp
else
# otherwise add node in sorted way
self.sorted_add(auxiliary, arr[i])
end
end
i += 1
end
i = 0
j = 0
# Assign slot value into actual array
while (i < size and j < size)
if (@slot[i] != nil)
auxiliary = @slot[i]
# Check if bucket slot empty or not
while (auxiliary != nil)
arr[j] = auxiliary.data
auxiliary = auxiliary.next
j += 1
end
end
i += 1
end
end
# Display array element
def display(arr, size)
i = 0
while (i < size)
# print array element value
print(" ", arr[i])
i += 1
end
print("\n")
end
end
def main()
# Array which are sorting by using bucket sort
arr = [8, 3, 8, 1, 3, 73, -3, 121, 54, 23, 84, 13, 67, 23, 52]
# Get the size of array
size = arr.length
obj = BucketSort.new(size)
# sort element
obj.bucket_sort(arr, size)
# display array element
obj.display(arr, size)
end
main()
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121<?php
/*
Php Program
Sort the Array elements using bucket Sort
*/
// This are storing information about array element
class Node {
public $data;
public $next;
function __construct($data) {
$this->data = $data;
$this->next = null;
}
}
class BucketSort {
public $slot;
function __construct($size) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
//Set that initial have no element in bucket
$this->slot = array_fill(0, $size, null);
}
//Get the location of array elements
public function location($data, $element, $max_value) {
return intval($data *$element / ($max_value + 1));
}
//Find the maximum element in given array
public function maximum_element($arr, $size) {
$max_value = $arr[0];
for ($i = 1; $i < $size; ++$i) {
if ($max_value < $arr[$i]) {
$max_value = $arr[$i];
}
}
return $max_value;
}
public function sorted_add($auxiliary, $data) {
//Find node to insert new element
while ($auxiliary != null && $auxiliary->next != null && $auxiliary->next->data <= $data) {
$auxiliary = $auxiliary->next;
}
//Create new node and fit into bucket
$node = new Node($data);
$node->next = $auxiliary->next;
$auxiliary->next = $node;
}
public function bucket_sort(&$arr, $size) {
if ($size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
$max_value = $this->maximum_element($arr, $size);
//Some variables which are using to perform sorting execution
$auxiliary = null;
$temp = null;
$index = 0;
for ($i = 0; $i < $size; ++$i) {
$index = $this->location($arr[$i], $size, $max_value);
// check given slot are null or not
if ($this->slot[$index] == null) {
// inserting first element in given (index) slot
$this->slot[$index] = new Node($arr[$i]);
} else {
// In this case slots are not empty then get first node in slot
$auxiliary = $this->slot[$index];
if ($auxiliary->data >= $arr[$i]) {
//add new node at first position in bucket
$temp = new Node($arr[$i]);
$temp->next = $auxiliary;
$this->slot[$index] = $temp;
} else {
//otherwise add node in sorted way
$this->sorted_add($auxiliary, $arr[$i]);
}
}
}
//Assign slot value into actual array
for ($i = 0, $j = 0; $i < $size && $j < $size; ++$i) {
if ($this->slot[$i] != null) {
$auxiliary = $this->slot[$i];
//Check if bucket slot empty or not
while ($auxiliary != null) {
$arr[$j] = $auxiliary->data;
$auxiliary = $auxiliary->next;
$j++;
}
}
}
}
//Display array element
public function display($arr, $size) {
for ($i = 0; $i < $size; ++$i) {
//print array element value
echo (" ". $arr[$i]);
}
echo("\n");
}
}
function main() {
//Array which are sorting by using bucket sort
$arr = array(8, 3, 8, 1, 3, 73, -3, 121, 54, 23, 84, 13, 67, 23, 52);
//Get the size of array
$size = count($arr);
$obj = new BucketSort($size);
//sort element
$obj->bucket_sort($arr, $size);
//display array element
$obj->display($arr, $size);
}
main();
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121/*
Node Js Program
Sort the Array elements using bucket Sort
*/
// This are storing information about array element
class Node {
constructor(data) {
this.data = data;
this.next = null;
}
}
class BucketSort {
constructor(size) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
// Set that initial have no element in bucket
this.slot = Array(size).fill(null);
}
//Get the location of array elements
location(data, element, max_value) {
return parseInt(data *element / (max_value + 1));
}
//Find the maximum element in given array
maximum_element(arr, size) {
var max_value = arr[0];
for (var i = 1; i < size; ++i) {
if (max_value < arr[i]) {
max_value = arr[i];
}
}
return max_value;
}
sorted_add(auxiliary, data) {
//Find node to insert new element
while (auxiliary != null && auxiliary.next != null && auxiliary.next.data <= data) {
auxiliary = auxiliary.next;
}
//Create new node and fit into bucket
var node = new Node(data);
node.next = auxiliary.next;
auxiliary.next = node;
}
bucket_sort(arr, size) {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
var max_value = this.maximum_element(arr, size);
//Some variables which are using to perform sorting execution
var auxiliary = null;
var temp = null;
var index = 0;
for (var i = 0; i < size; ++i) {
index = this.location(arr[i], size, max_value);
// check given slot are null or not
if (this.slot[index] == null) {
// inserting first element in given (index) slot
this.slot[index] = new Node(arr[i]);
} else {
// In this case slots are not empty then get first node in slot
auxiliary = this.slot[index];
if (auxiliary.data >= arr[i]) {
//add new node at first position in bucket
temp = new Node(arr[i]);
temp.next = auxiliary;
this.slot[index] = temp;
} else {
//otherwise add node in sorted way
this.sorted_add(auxiliary, arr[i]);
}
}
}
//Assign slot value into actual array
for (var i = 0,j = 0; i < size && j < size; ++i) {
if (this.slot[i] != null) {
auxiliary = this.slot[i];
//Check if bucket slot empty or not
while (auxiliary != null) {
arr[j] = auxiliary.data;
auxiliary = auxiliary.next;
j++;
}
}
}
}
//Display array element
display(arr, size) {
for (var i = 0; i < size; ++i) {
//print array element value
process.stdout.write(" " + arr[i]);
}
process.stdout.write("\n");
}
}
function main() {
//Array which are sorting by using bucket sort
var arr = [8, 3, 8, 1, 3, 73, -3, 121, 54, 23, 84, 13, 67, 23, 52];
//Get the size of array
var size = arr.length;
var obj = new BucketSort(size);
//sort element
obj.bucket_sort(arr, size);
//display array element
obj.display(arr, size);
}
main();
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121/*
Swift 4 Program
Sort the Array elements using bucket Sort
*/
// This are storing information about array element
class Node {
var data: Int;
var next: Node? ;
init(_ data: Int) {
self.data = data;
self.next = nil;
}
}
class BucketSort {
var slot: [Node?] = [Node]() ;
init(_ size: Int) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
var i: Int = 0;
//Set that initial have no element in bucket
while (i < size) {
self.slot.append(nil);
i += 1;
}
}
//Get the location of array elements
func location(_ data: Int, _ element: Int, _ max_value: Int) ->Int {
return data * element / (max_value + 1);
}
//Find the maximum element in given array
func maximum_element(_ arr: [Int] , _ size : Int) -> Int {
var max_value: Int = arr[0];
var i: Int = 1;
while (i < size) {
if (max_value < arr[i]) {
max_value = arr[i];
}
i += 1;
}
return max_value;
}
func sorted_add(_ element: Node? , _ data : Int) {
var auxiliary : Node? = element;
//Find node to insert new element
while (auxiliary != nil && auxiliary!.next != nil && auxiliary!.next!.data <= data) {
auxiliary = auxiliary!.next;
}
//Create new node and fit into bucket
let node: Node? = Node(data);
node!.next = auxiliary!.next;
auxiliary!.next = node;
}
func bucket_sort(_ arr: inout [Int] , _ size : Int) {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
let max_value: Int = self.maximum_element(arr, size);
//Some variables which are using to perform sorting execution
var auxiliary: Node? = nil;
var temp: Node? = nil;
var index: Int = 0;
var i: Int = 0;
var j = 0;
while (i < size) {
index = self.location(arr[i], size, max_value);
// check given slot are null or not
if (self.slot[index] == nil) {
// inserting first element in given (index) slot
self.slot[index] = Node(arr[i]);
} else {
// In this case slots are not empty then get first node in slot
auxiliary = self.slot[index];
if (auxiliary!.data >= arr[i]) {
//add new node at first position in bucket
temp = Node(arr[i]);
temp!.next = auxiliary;
self.slot[index] = temp;
} else {
//otherwise add node in sorted way
self.sorted_add(auxiliary, arr[i]);
}
}
i += 1;
}
i = 0;
j = 0;
//Assign slot value into actual array
while (i < size && j < size) {
if (self.slot[i] != nil) {
auxiliary = self.slot[i];
//Check if bucket slot empty or not
while (auxiliary != nil) {
arr[j] = auxiliary!.data;
auxiliary = auxiliary!.next;
j += 1;
}
}
i += 1;
}
}
//Display array element
func display(_ arr: [Int] , _ size : Int) {
var i: Int = 0;
while (i < size) {
//print array element value
print(" ", arr[i],terminator:"");
i += 1;
}
print(terminator:"\n");
}
}
func main() {
//Array which are sorting by using bucket sort
var arr: [Int] = [8, 3, 8, 1, 3, 73, -3, 121, 54, 23, 84, 13, 67, 23, 52];
//Get the size of array
let size: Int = arr.count;
let obj: BucketSort = BucketSort(size);
//sort element
obj.bucket_sort(&arr, size);
//display array element
obj.display(arr, size);
}
main();
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121/*
Scala Program
Sort the Array elements using bucket Sort
*/
// This are storing information about array element
class Node(var data: Int,
var next: Node) {
def this(data: Int) {
this(data,null);
}
}
class BucketSort(var slot: Array[Node]) {
def this(size: Int) {
// First create auxiliary memory to Bucket type
// Which is store the information of sort element
this(Array.fill[Node](size)(null));
}
//Get the location of array elements
def location(data: Int, element: Int, max_value: Int): Int = {
return (data * element / (max_value + 1)).toInt;
}
//Find the maximum element in given array
def maximum_element(arr: Array[Int], size: Int): Int = {
var max_value: Int = arr(0);
var i = 1;
while (i < size) {
if (max_value < arr(i)) {
max_value = arr(i);
}
i+=1;
}
return max_value;
}
def sorted_add(temp : Node, data: Int): Unit = {
var auxiliary : Node = temp;
//Find node to insert new element
while (auxiliary != null &&
auxiliary.next != null &&
auxiliary.next.data <= data) {
auxiliary = auxiliary.next;
}
//Create new node and fit into bucket
var node: Node = new Node(data);
node.next = auxiliary.next;
auxiliary.next = node;
}
def bucket_sort(arr: Array[Int], size: Int): Unit = {
if (size <= 0) {
return;
}
// We are need to find maximum element in array
// Because calculation is based on max element value
var max_value: Int = maximum_element(arr, size);
//Some variables which are using to perform sorting execution
var auxiliary: Node = null;
var temp: Node = null;
var index: Int = 0;
var i = 0;
while (i < size) {
index = location(arr(i), size, max_value);
// check given slot are null or not
if (slot(index) == null) {
// inserting first element in given (index) slot
slot(index) = new Node(arr(i));
} else {
// In this case slots are not empty then get first node in slot
auxiliary = slot(index);
if (auxiliary.data >= arr(i)) {
//add new node at first position in bucket
temp = new Node(arr(i));
temp.next = auxiliary;
slot(index) = temp;
} else {
//otherwise add node in sorted way
sorted_add(auxiliary, arr(i));
}
}
i+=1;
}
//Assign slot value into actual array
i = 0;
var j : Int = 0;
while (i < size &&
j < size) {
if (slot(i) != null) {
auxiliary = slot(i);
//Check if bucket slot empty or not
while (auxiliary != null) {
arr(j) = auxiliary.data;
auxiliary = auxiliary.next;
j += 1;
}
}
i+=1;
}
}
//Display array element
def display(arr: Array[Int], size: Int): Unit = {
var i = 0;
while (i < size) {
//print array element value
print(" " + arr(i));
i+=1;
}
print("\n");
}
}
object Main {
def main(args: Array[String]): Unit = {
//Array which are sorting by using bucket sort
var arr: Array[Int] = Array(8, 3, 8, 1, 3, 73, -3, 121, 54, 23, 84, 13, 67, 23, 52);
//Get the size of array
var size: Int = arr.length;
var obj: BucketSort = new BucketSort(size);
//sort element
obj.bucket_sort(arr, size);
//display array element
obj.display(arr, size);
}
}
Output
-3 1 3 3 8 8 13 23 23 52 54 67 73 84 121
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