Write a Program to sort the elements of the doubly linked list.
Solution:
using System;
namespace LinkedListOpearation
{
class Program
{
public static void Main()
{
var dList = new DoublyLinkedList();
dList.Add(19);
dList.Add(82);
dList.Add(12);
dList.Add(21);
dList.Add(43);
Console.WriteLine("Doubly Linked List: ");
dList.Print();
dList.Sort();
Console.WriteLine("Sorted Doubly Linked List: ");
dList.Print();
Console.ReadLine();
}
}
public class DoublyLinkedList
{
public int Size;
public Node Head;
public Node Tail;
public void Add(int data)
{
var newNode = new Node(data);
if (Head == null)
{
Head = Tail = newNode;
Head.Previous = null;
Tail.Next = null;
}
else
{
Tail.Next = newNode;
newNode.Previous = Tail;
Tail = newNode;
Tail.Next = null;
}
Size++;
}
public void Sort()
{
Node current;
if (Head == null)
return;
for (current = Head; current.Next != null; current = current.Next)
{
Node index = null;
for (index = current.Next; index != null; index = index.Next)
{
if (current.Data <= index.Data) continue;
var temp = current.Data;
current.Data = index.Data;
index.Data = temp;
}
}
}
public void Print()
{
var current = Head;
if (Head == null)
return;
while (current != null)
{
Console.WriteLine(current.Data);
current = current.Next;
}
}
}
public class Node
{
public int Data;
public Node Next;
public Node Previous;
public Node(int data)
{
Data = data;
}
}
}