static void Main(string[] args)
{
int choice, data, k, x;
DoubleLinkedList list = new DoubleLinkedList();
list.CreateList();
while (true)
{
Console.WriteLine("1. Display List ");
Console.WriteLine("2. Insert in empty list");
Console.WriteLine("3. Insert a node in beginning of the list");
Console.WriteLine("4. Insert a node at the end of the list");
Console.WriteLine("5. Insert a node after a specified node");
Console.WriteLine("6. Insert a node before a specified node");
Console.WriteLine("7. Delete first node");
Console.WriteLine("8. Delete last node");
Console.WriteLine("9. Delete a specified node");
Console.WriteLine("10. Reverse the list");
Console.WriteLine("11. Exit program");
Console.WriteLine("Enter your choice: ");
choice = Convert.ToInt32(Console.ReadLine());
if (choice == 11)
{
break;
}
switch (choice)
{
case 1: // Display current list
list.DisplayList();
break;
case 2: // Insert node to empty list
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
list.InsertInEmptyList(data);
break;
case 3: // Insert node at beginning of list
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
list.InsertInBeginning(data);
break;
case 4: // Insert node at end of list
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
list.InsertAtEnd(data);
break;
case 5: // Insert a node after specifed node
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the element before which to insert: ");
x = Convert.ToInt32(Console.ReadLine());
list.InsertAfter(data, x);
break;
case 6: // Insert a node before specified node
Console.Write("Enter the element to be inserted: ");
data = Convert.ToInt32(Console.ReadLine());
Console.Write("Enter the element after which to insert: ");
x = Convert.ToInt32(Console.ReadLine());
list.InsertBefore(data, x);
break;
case 7: // Delete first node
list.DeleteFirstNode();
break;
case 8: // Delete last node
list.DeleteLastNode();
break;
case 9: // Delete node with specified data
Console.Write("Enter the element to be deleted: ");
data = Convert.ToInt32(Console.ReadLine());
list.DeleteNode(data);
break;
case 10: // Reverse the list
list.ReverseList();
break;
case 11: //
break;
}
}
}
static void Main(string[] args)
{
int choice, data, x;
DoubleLinkedList list = new DoubleLinkedList();
list.CreateList();
while (true)
{
Console.WriteLine("1. Display list");
Console.WriteLine("2. Insert in empty list");
Console.WriteLine("3. Insert at the beginning of the list");
Console.WriteLine("4. Insert at the end of the list");
Console.WriteLine("5. Insert node after particular node");
Console.WriteLine("6. Insert node before particular node");
Console.WriteLine("7. Delete first node");
Console.WriteLine("8. Delete last node");
Console.WriteLine("9. Delete particualr node");
Console.WriteLine("10. The list reverse");
Console.WriteLine("11. Exit");
do
{
Console.WriteLine("Enter your choice: ");
}while (!int.TryParse(Console.ReadLine(), out choice));
if (choice == 11)
{
break;
}
Console.Clear();
switch (choice)
{
case 1:
list.DisplayList();
break;
case 2:
do
{
Console.WriteLine("Insert node: ");
}while (!int.TryParse(Console.ReadLine(), out data));
list.InsertInEmptyList(data);
break;
case 3:
do
{
Console.WriteLine("Insert node: ");
}while (!int.TryParse(Console.ReadLine(), out data));
list.InsertInBeginning(data);
break;
case 4:
do
{
Console.WriteLine("Insert node: ");
}while (!int.TryParse(Console.ReadLine(), out data));
list.InsertAtEnd(data);
break;
case 5:
do
{
Console.WriteLine("Insert node: ");
}while (!int.TryParse(Console.ReadLine(), out data));
do
{
Console.WriteLine("Insert node after a particular node: ");
}while (!int.TryParse(Console.ReadLine(), out x));
list.InsertAfter(data, x);
break;
case 6:
do
{
Console.WriteLine("Insert node: ");
}while (!int.TryParse(Console.ReadLine(), out data));
do
{
Console.WriteLine("Insert node before a particular node: ");
}while (!int.TryParse(Console.ReadLine(), out x));
list.InsertAfter(data, x);
break;
case 7:
list.DeleteFirstNode();
break;
case 8:
list.DeleteLastNode();
break;
case 9:
do
{
Console.WriteLine("Delete node: ");
}while (!int.TryParse(Console.ReadLine(), out data));
list.DeleteNode(data);
break;
case 10:
list.ReverseList();
break;
default:
Console.WriteLine("Wrong choice! Try again!");
break;
}
Console.WriteLine();
}
Console.WriteLine("Exit");
}