//In this part, this gets the times a number has occurred
private ILinkedList <Occurrence> GetNumberOccurrences()
{
var occurrences = new DoublyLinkedList <Occurrence>();
var storage = new Occurrence[10];
for (int i = 0; i < storage.Length; i++)
{
storage[i] = new Occurrence(i.ToString(), 0);
}
foreach (int number in Numbers)
{
string numberInString = number.ToString();
if (numberInString.Length < 3)
{
numberInString = numberInString.PadLeft(3, '0');
}
foreach (char c in numberInString)
{
storage[c - 48].Count++;
}
}
foreach (var occurrence in storage)
{
if (occurrence.Count > 0)
{
occurrences.AddToTail(occurrence);
}
}
return(occurrences);
}
public void AddToTailTest(int input)
{
Node newNode = new Node(5);
DoublyLinkedList doublyLinked = new DoublyLinkedList(newNode);
doublyLinked.AddToTail(input);
Assert.Equals(input, doublyLinked.Tail.Value);
}
public void DeleteTest(int value)
{
LinkedList.DoublyLinkedList doublyLL = new DoublyLinkedList(value * 2);
Node newNode = new Node(99);
doublyLL.AddToTail(newNode);
Assert.Equal(true, doublyLL.Tail.Value);
}
private ILinkedList <int> ParseInput(string[] numbers)
{
var list = new DoublyLinkedList <int>();
foreach (string item in numbers)
{
int parsed = int.Parse(item);
if (Math.Abs(parsed).ToString().Length > 3)
{
throw new InvalidOperationException("The length ");
}
list.AddToTail(int.Parse(item));
}
return(list);
}
