Skip to main content

Find sum of all perfect numbers in linked list

Here given code implementation process.

// C Program
// Find sum of all perfect numbers in linked list

#include <stdio.h>
 //for malloc function
#include <stdlib.h>

//Linked List Node
struct Node
{
	int data;
	struct Node *next;
};
//Create a node of linked list
struct Node *create_node(int data)
{
	//Create dynamic node
	struct Node *node = (struct Node *) malloc(sizeof(struct Node));
	if (node == NULL)
	{
		printf("Memory overflow\n");
	}
	else
	{
		//Set initial node value
		node->data = data;
		node->next = NULL;
	}
	return node;
}
//Add new node at end of linked list 
void insert(struct Node **head, int data)
{
	struct Node *node = create_node(data);
	if ( *head == NULL)
	{
		*head = node;
	}
	else
	{
		struct Node *temp = *head;
		//Find last node
		while (temp->next != NULL)
		{
			temp = temp->next;
		}
		//Add node at last possition
		temp->next = node;
	}
}
//Display linked list element
void display(struct Node *head)
{
	if (head == NULL)
	{
		printf("\nEmpty linked list\n");
		return;
	}
	struct Node *temp = head;
	printf("\n Linked Linked : ");
	while (temp != NULL)
	{
		printf("  %d", temp->data);
		temp = temp->next;
	}
}
//Get the sum of factor in a given number
int get_factor_sum(int num)
{
	int sum = 0;
	int i = 1;
	while (i <= (num / 2))
	{
		if (num % i == 0)
		{
			// When number is divisible by number i
			sum += i;
		}
		i++;
	}
	return sum;
}
//Find the sum of perfect node values in given linked list
void perfect_num_sum(struct Node *head)
{
	if (head == NULL)
	{
		printf("\n Empty Linked List \n");
		return;
	}
	//Define resultant variable
	int result = 0;
	//Get first node of linked list
	struct Node *temp = head;
	//iterate linked list node
	while (temp != NULL)
	{
		if (temp->data > 0 && temp->data == get_factor_sum(temp->data))
		{
			//When node data is perfect number
			result += temp->data;
		}
		//Visit to next node
		temp = temp->next;
	}
	//Display of calculated result
	printf("\n Perfect number sum is : %d\n", result);
}
int main()
{
	struct Node *head = NULL;
	//Create  linked list
	insert( &head, 5);
	insert( &head, 28);
	insert( &head, 7);
	insert( &head, 6);
	insert( &head, 1);
	insert( &head, 21);
	display(head);
	// 6 + 28  = 34
	perfect_num_sum(head);
	return 0;
}

Output

 Linked Linked :   5  28  7  6  1  21
 Perfect number sum is : 34
// Java Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node
{
	public int data;
	public Node next;
	public Node(int data)
	{
		//Set node value
		this.data = data;
		this.next = null;
	}
}
class MyLinkedList
{
	public Node head;
	public Node tail;
	//Class constructors
	public MyLinkedList()
	{
		this.head = null;
		this.tail = null;
	}
	//insert node at last of linke list
	public void insert(int data)
	{
		//Create a node
		Node node = new Node(data);
		if (this.head == null)
		{
			//When linked list empty add first node
			this.head = node;
			this.tail = node;
		}
		else
		{
			//Add new node at end of linked list
			this.tail.next = node;
			this.tail = node;
		}
	}
	//Display linked list element
	public void display()
	{
		if (this.head == null)
		{
			System.out.print("\nEmpty linked list\n");
			return;
		}
		Node temp = this.head;
		System.out.print("\n Linked List : ");
		while (temp != null)
		{
			System.out.print("  " + temp.data);
			temp = temp.next;
		}
	}
	//Get the sum of factor in a given number
	public int get_factor_sum(int num)
	{
		int sum = 0;
		int i = 1;
		while (i <= (num / 2))
		{
			if (num % i == 0)
			{
				// When number is divisible by number i
				sum += i;
			}
			i++;
		}
		return sum;
	}
	//Find the sum of perfect node values in given linked list
	public void perfect_num_sum()
	{
		if (this.head == null)
		{
			System.out.print("\n Empty Linked List \n");
			return;
		}
		//Define resultant variable
		int result = 0;
		//Get first node of linked list
		Node temp = this.head;
		//iterate linked list node
		while (temp != null)
		{
			if (temp.data > 0 && temp.data == get_factor_sum(temp.data))
			{
				//When node data is perfect number
				result += temp.data;
			}
			//Visit to next node
			temp = temp.next;
		}
		//Display of calculated result
		System.out.print("\n Perfect number sum is : " + result + "\n");
	}
	public static void main(String[] args)
	{
		MyLinkedList obj = new MyLinkedList();
		//Add node in linked list
		obj.insert(5);
		obj.insert(28);
		obj.insert(7);
		obj.insert(6);
		obj.insert(1);
		obj.insert(21);
		obj.display();
		// 6 + 28  = 34
		obj.perfect_num_sum();
	}
}

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34
//Include header file
#include <iostream>
using namespace std;

// C++ Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node
{
	public: 
    int data;
	Node * next;
	Node(int data)
	{
		//Set node value
		this->data = data;
		this->next = NULL;
	}
};
class MyLinkedList
{
	public: Node * head;
	Node * tail;
	//Class constructors
	MyLinkedList()
	{
		this->head = NULL;
		this->tail = NULL;
	}
	//insert node at last of linke list
	void insert(int data)
	{
		//Create a node
		Node * node = new Node(data);
		if (this->head == NULL)
		{
			//When linked list empty add first node
			this->head = node;
			this->tail = node;
		}
		else
		{
			//Add new node at end of linked list
			this->tail->next = node;
			this->tail = node;
		}
	}
	//Display linked list element
	void display()
	{
		if (this->head == NULL)
		{
			cout << "\nEmpty linked list\n";
			return;
		}
		Node * temp = this->head;
		cout << "\n Linked List : ";
		while (temp != NULL)
		{
			cout << "  " << temp->data;
			temp = temp->next;
		}
	}
	//Get the sum of factor in a given number
	int get_factor_sum(int num)
	{
		int sum = 0;
		int i = 1;
		while (i <= (num / 2))
		{
			if (num % i == 0)
			{
				// When number is divisible by number i
				sum += i;
			}
			i++;
		}
		return sum;
	}
	//Find the sum of perfect node values in given linked list
	void perfect_num_sum()
	{
		if (this->head == NULL)
		{
			cout << "\n Empty Linked List \n";
			return;
		}
		//Define resultant variable
		int result = 0;
		//Get first node of linked list
		Node * temp = this->head;
		//iterate linked list node
		while (temp != NULL)
		{
			if (temp->data > 0 && temp->data == this->get_factor_sum(temp->data))
			{
				//When node data is perfect number
				result += temp->data;
			}
			//Visit to next node
			temp = temp->next;
		}
		//Display of calculated result
		cout << "\n Perfect number sum is : " << result << "\n";
	}
};
int main()
{
	MyLinkedList obj = MyLinkedList();
	//Add node in linked list
	obj.insert(5);
	obj.insert(28);
	obj.insert(7);
	obj.insert(6);
	obj.insert(1);
	obj.insert(21);
	obj.display();
	// 6 + 28  = 34
	obj.perfect_num_sum();
	return 0;
}

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34
//Include namespace system
using System;

// C# Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node
{
	public int data;
	public Node next;
	public Node(int data)
	{
		//Set node value
		this.data = data;
		this.next = null;
	}
}
class MyLinkedList
{
	public Node head;
	public Node tail;
	//Class constructors
	public MyLinkedList()
	{
		this.head = null;
		this.tail = null;
	}
	//insert node at last of linke list
	public void insert(int data)
	{
		//Create a node
		Node node = new Node(data);
		if (this.head == null)
		{
			//When linked list empty add first node
			this.head = node;
			this.tail = node;
		}
		else
		{
			//Add new node at end of linked list
			this.tail.next = node;
			this.tail = node;
		}
	}
	//Display linked list element
	public void display()
	{
		if (this.head == null)
		{
			Console.Write("\nEmpty linked list\n");
			return;
		}
		Node temp = this.head;
		Console.Write("\n Linked List : ");
		while (temp != null)
		{
			Console.Write("  " + temp.data);
			temp = temp.next;
		}
	}
	//Get the sum of factor in a given number
	public int get_factor_sum(int num)
	{
		int sum = 0;
		int i = 1;
		while (i <= (num / 2))
		{
			if (num % i == 0)
			{
				// When number is divisible by number i
				sum += i;
			}
			i++;
		}
		return sum;
	}
	//Find the sum of perfect node values in given linked list
	public void perfect_num_sum()
	{
		if (this.head == null)
		{
			Console.Write("\n Empty Linked List \n");
			return;
		}
		//Define resultant variable
		int result = 0;
		//Get first node of linked list
		Node temp = this.head;
		//iterate linked list node
		while (temp != null)
		{
			if (temp.data > 0 && temp.data == get_factor_sum(temp.data))
			{
				//When node data is perfect number
				result += temp.data;
			}
			//Visit to next node
			temp = temp.next;
		}
		//Display of calculated result
		Console.Write("\n Perfect number sum is : " + result + "\n");
	}
	public static void Main(String[] args)
	{
		MyLinkedList obj = new MyLinkedList();
		//Add node in linked list
		obj.insert(5);
		obj.insert(28);
		obj.insert(7);
		obj.insert(6);
		obj.insert(1);
		obj.insert(21);
		obj.display();
		// 6 + 28  = 34
		obj.perfect_num_sum();
	}
}

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34
<?php
// Php Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node
{
	public $data;
	public $next;

	function __construct($data)
	{
		//Set node value
		$this->data = $data;
		$this->next = null;
	}
}
class MyLinkedList
{
	public $head;
	public $tail;
	//Class constructors
	function __construct()
	{
		$this->head = null;
		$this->tail = null;
	}
	//insert node at last of linke list
	public	function insert($data)
	{
		//Create a node
		$node = new Node($data);
		if ($this->head == null)
		{
			//When linked list empty add first node
			$this->head = $node;
			$this->tail = $node;
		}
		else
		{
			//Add new node at end of linked list
			$this->tail->next = $node;
			$this->tail = $node;
		}
	}
	//Display linked list element
	public	function display()
	{
		if ($this->head == null)
		{
			echo "\nEmpty linked list\n";
			return;
		}
		$temp = $this->head;
		echo "\n Linked List : ";
		while ($temp != null)
		{
			echo "  ". $temp->data;
			$temp = $temp->next;
		}
	}
	//Get the sum of factor in a given number
	public	function get_factor_sum($num)
	{
		$sum = 0;
		$i = 1;
		while ($i <= (intval($num / 2)))
		{
			if ($num % $i == 0)
			{
				// When number is divisible by number i
				$sum += $i;
			}
			$i++;
		}
		return $sum;
	}
	//Find the sum of perfect node values in given linked list
	public	function perfect_num_sum()
	{
		if ($this->head == null)
		{
			echo "\n Empty Linked List \n";
			return;
		}
		//Define resultant variable
		$result = 0;
		//Get first node of linked list
		$temp = $this->head;
		//iterate linked list node
		while ($temp != null)
		{
			if ($temp->data > 0 && $temp->data == $this->get_factor_sum($temp->data))
			{
				//When node data is perfect number
				$result += $temp->data;
			}
			//Visit to next node
			$temp = $temp->next;
		}
		//Display of calculated result
		echo "\n Perfect number sum is : ". $result ."\n";
	}
}

function main()
{
	$obj = new MyLinkedList();
	//Add node in linked list
	$obj->insert(5);
	$obj->insert(28);
	$obj->insert(7);
	$obj->insert(6);
	$obj->insert(1);
	$obj->insert(21);
	$obj->display();
	// 6 + 28  = 34
	$obj->perfect_num_sum();
}
main();

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34
// Node Js Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node
{
	constructor(data)
	{
		//Set node value
		this.data = data;
		this.next = null;
	}
}
class MyLinkedList
{
	//Class constructors
	constructor()
	{
		this.head = null;
		this.tail = null;
	}
	//insert node at last of linke list
	insert(data)
	{
		//Create a node
		var node = new Node(data);
		if (this.head == null)
		{
			//When linked list empty add first node
			this.head = node;
			this.tail = node;
		}
		else
		{
			//Add new node at end of linked list
			this.tail.next = node;
			this.tail = node;
		}
	}
	//Display linked list element
	display()
	{
		if (this.head == null)
		{
			process.stdout.write("\nEmpty linked list\n");
			return;
		}
		var temp = this.head;
		process.stdout.write("\n Linked List : ");
		while (temp != null)
		{
			process.stdout.write("  " + temp.data);
			temp = temp.next;
		}
	}
	//Get the sum of factor in a given number
	get_factor_sum(num)
	{
		var sum = 0;
		var i = 1;
		while (i <= (parseInt(num / 2)))
		{
			if (num % i == 0)
			{
				// When number is divisible by number i
				sum += i;
			}
			i++;
		}
		return sum;
	}
	//Find the sum of perfect node values in given linked list
	perfect_num_sum()
	{
		if (this.head == null)
		{
			process.stdout.write("\n Empty Linked List \n");
			return;
		}
		//Define resultant variable
		var result = 0;
		//Get first node of linked list
		var temp = this.head;
		//iterate linked list node
		while (temp != null)
		{
			if (temp.data > 0 && temp.data == this.get_factor_sum(temp.data))
			{
				//When node data is perfect number
				result += temp.data;
			}
			//Visit to next node
			temp = temp.next;
		}
		//Display of calculated result
		process.stdout.write("\n Perfect number sum is : " + result + "\n");
	}
}

function main()
{
	var obj = new MyLinkedList();
	//Add node in linked list
	obj.insert(5);
	obj.insert(28);
	obj.insert(7);
	obj.insert(6);
	obj.insert(1);
	obj.insert(21);
	obj.display();
	// 6 + 28  = 34
	obj.perfect_num_sum();
}
main();

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34
#  Python 3 Program
#  Find sum of all perfect numbers in linked list

# Node of LinkedList
class Node :
	
	def __init__(self, data) :
		# Set node value
		self.data = data
		self.next = None
	

class MyLinkedList :
	
	# Class constructors
	def __init__(self) :
		self.head = None
		self.tail = None
	
	# insert node at last of linke list
	def insert(self, data) :
		# Create a node
		node = Node(data)
		if (self.head == None) :
			# When linked list empty add first node
			self.head = node
			self.tail = node
		else :
			# Add new node at end of linked list
			self.tail.next = node
			self.tail = node
		
	
	# Display linked list element
	def display(self) :
		if (self.head == None) :
			print("\nEmpty linked list\n", end = "")
			return
		
		temp = self.head
		print("\n Linked List : ", end = "")
		while (temp != None) :
			print("  ", temp.data, end = "")
			temp = temp.next
		
	
	# Get the sum of factor in a given number
	def get_factor_sum(self, num) :
		sum = 0
		i = 1
		while (i <= (int(num / 2))) :
			if (num % i == 0) :
				#  When number is divisible by number i
				sum += i
			
			i += 1
		
		return sum
	
	# Find the sum of perfect node values in given linked list
	def perfect_num_sum(self) :
		if (self.head == None) :
			print("\n Empty Linked List \n", end = "")
			return
		
		# Define resultant variable
		result = 0
		# Get first node of linked list
		temp = self.head
		# iterate linked list node
		while (temp != None) :
			if (temp.data > 0 and temp.data == self.get_factor_sum(temp.data)) :
				# When node data is perfect number
				result += temp.data
			
			# Visit to next node
			temp = temp.next
		
		# Display of calculated result
		print("\n Perfect number sum is : ", result ,"\n", end = "")
	

def main() :
	obj = MyLinkedList()
	# Add node in linked list
	obj.insert(5)
	obj.insert(28)
	obj.insert(7)
	obj.insert(6)
	obj.insert(1)
	obj.insert(21)
	obj.display()
	#  6 + 28  = 34
	obj.perfect_num_sum()

if __name__ == "__main__": main()

Output

 Linked List :    5   28   7   6   1   21
 Perfect number sum is :  34
#  Ruby Program
#  Find sum of all perfect numbers in linked list

# Node of LinkedList
class Node 

	# Define the accessor and reader of class Node  
	attr_reader :data, :next
	attr_accessor :data, :next


	
	def initialize(data)
	
		# Set node value
		self.data = data
		self.next = nil
	end
end
class MyLinkedList 

	# Define the accessor and reader of class MyLinkedList  
	attr_reader :head, :tail
	attr_accessor :head, :tail


	
	# Class constructors
	def initialize()
	
		self.head = nil
		self.tail = nil
	end
	# insert node at last of linke list
	def insert(data)
	
		# Create a node
		node = Node.new(data)
		if (self.head == nil)
		
			# When linked list empty add first node
			self.head = node
			self.tail = node
		else
		
			# Add new node at end of linked list
			self.tail.next = node
			self.tail = node
		end
	end
	# Display linked list element
	def display()
	
		if (self.head == nil)
		
			print("\nEmpty linked list\n")
			return
		end
		temp = self.head
		print("\n Linked List : ")
		while (temp != nil)
		
			print("  ", temp.data)
			temp = temp.next
		end
	end
	# Get the sum of factor in a given number
	def get_factor_sum(num)
	
		sum = 0
		i = 1
		while (i <= (num / 2))
		
			if (num % i == 0)
			
				#  When number is divisible by number i
				sum += i
			end
			i += 1
		end
		return sum
	end
	# Find the sum of perfect node values in given linked list
	def perfect_num_sum()
	
		if (self.head == nil)
		
			print("\n Empty Linked List \n")
			return
		end
		# Define resultant variable
		result = 0
		# Get first node of linked list
		temp = self.head
		# iterate linked list node
		while (temp != nil)
		
			if (temp.data > 0 && temp.data == self.get_factor_sum(temp.data))
			
				# When node data is perfect number
				result += temp.data
			end
			# Visit to next node
			temp = temp.next
		end
		# Display of calculated result
		print("\n Perfect number sum is : ", result ,"\n")
	end
end
def main()

	obj = MyLinkedList.new()
	# Add node in linked list
	obj.insert(5)
	obj.insert(28)
	obj.insert(7)
	obj.insert(6)
	obj.insert(1)
	obj.insert(21)
	obj.display()
	#  6 + 28  = 34
	obj.perfect_num_sum()
end
main()

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34

// Scala Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node(var data: Int,
	var next: Node)
{
	def this(data: Int)
	{
		this(data, null);
	}
}
class MyLinkedList(var head: Node,
	var tail: Node)
{
	//Class constructors
	def this()
	{
		this(null, null);
	}
	//insert node at last of linke list
	def insert(data: Int): Unit = {
		//Create a node
		var node: Node = new Node(data);
		if (this.head == null)
		{
			//When linked list empty add first node
			this.head = node;
			this.tail = node;
		}
		else
		{
			//Add new node at end of linked list
			this.tail.next = node;
			this.tail = node;
		}
	}
	//Display linked list element
	def display(): Unit = {
		if (this.head == null)
		{
			print("\nEmpty linked list\n");
			return;
		}
		var temp: Node = this.head;
		print("\n Linked List : ");
		while (temp != null)
		{
			print("  " + temp.data);
			temp = temp.next;
		}
	}
	//Get the sum of factor in a given number
	def get_factor_sum(num: Int): Int = {
		var sum: Int = 0;
		var i: Int = 1;
		while (i <= ((num / 2).toInt))
		{
			if (num % i == 0)
			{
				// When number is divisible by number i
				sum += i;
			}
			i += 1;
		}
		return sum;
	}
	//Find the sum of perfect node values in given linked list
	def perfect_num_sum(): Unit = {
		if (this.head == null)
		{
			print("\n Empty Linked List \n");
			return;
		}
		//Define resultant variable
		var result: Int = 0;
		//Get first node of linked list
		var temp: Node = this.head;
		//iterate linked list node
		while (temp != null)
		{
			if (temp.data > 0 && temp.data == get_factor_sum(temp.data))
			{
				//When node data is perfect number
				result += temp.data;
			}
			//Visit to next node
			temp = temp.next;
		}
		//Display of calculated result
		print("\n Perfect number sum is : " + result + "\n");
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var obj: MyLinkedList = new MyLinkedList();
		//Add node in linked list
		obj.insert(5);
		obj.insert(28);
		obj.insert(7);
		obj.insert(6);
		obj.insert(1);
		obj.insert(21);
		obj.display();
		// 6 + 28  = 34
		obj.perfect_num_sum();
	}
}

Output

 Linked List :   5  28  7  6  1  21
 Perfect number sum is : 34
// Swift Program
// Find sum of all perfect numbers in linked list

//Node of LinkedList
class Node
{
	var data: Int;
	var next: Node? ;
	init(_ data: Int)
	{
		//Set node value
		self.data = data;
		self.next = nil;
	}
}
class MyLinkedList
{
	var head: Node? ;
	var tail: Node? ;
	//Class constructors
	init()
	{
		self.head = nil;
		self.tail = nil;
	}
	//insert node at last of linke list
	func insert(_ data: Int)
	{
		//Create a node
		let node: Node? = Node(data);
		if (self.head == nil)
		{
			//When linked list empty add first node
			self.head = node;
			self.tail = node;
		}
		else
		{
			//Add new node at end of linked list
			self.tail!.next = node;
			self.tail = node;
		}
	}
	//Display linked list element
	func display()
	{
		if (self.head == nil)
		{
			print("\nEmpty linked list\n", terminator: "");
			return;
		}
		var temp: Node? = self.head;
		print("\n Linked List : ", terminator: "");
		while (temp != nil)
		{
			print("  ", temp!.data, terminator: "");
			temp = temp!.next;
		}
	}
	//Get the sum of factor in a given number
	func get_factor_sum(_ num: Int) -> Int
	{
		var sum: Int = 0;
		var i: Int = 1;
		while (i <= (num / 2))
		{
			if (num % i == 0)
			{
				// When number is divisible by number i
				sum += i;
			}
			i += 1;
		}
		return sum;
	}
	//Find the sum of perfect node values in given linked list
	func perfect_num_sum()
	{
		if (self.head == nil)
		{
			print("\n Empty Linked List \n", terminator: "");
			return;
		}
		//Define resultant variable
		var result: Int = 0;
		//Get first node of linked list
		var temp: Node? = self.head;
		//iterate linked list node
		while (temp != nil)
		{
			if (temp!.data > 0 && temp!.data == self.get_factor_sum(temp!.data))
			{
				//When node data is perfect number
				result += temp!.data;
			}
			//Visit to next node
			temp = temp!.next;
		}
		//Display of calculated result
		print("\n Perfect number sum is : ", result ,"\n", terminator: "");
	}
}
func main()
{
	let obj: MyLinkedList = MyLinkedList();
	//Add node in linked list
	obj.insert(5);
	obj.insert(28);
	obj.insert(7);
	obj.insert(6);
	obj.insert(1);
	obj.insert(21);
	obj.display();
	// 6 + 28  = 34
	obj.perfect_num_sum();
}
main();

Output

 Linked List :    5   28   7   6   1   21
 Perfect number sum is :  34
Last updated on by Kalkicode




Comment

Please share your knowledge to improve code and content standard. Also submit your doubts, and test case. We improve by your feedback. We will try to resolve your query as soon as possible.

New Comment