private Node FindALoop(CLinkedList cLinkedList)
{
var root = cLinkedList.GetRoot();
HashSet <int> hs = new HashSet <int>();
if (root != null)
{
var pointer = root;
while (pointer.next != null)
{
if (found(ref hs, pointer.Data))
{
return(pointer);
}
pointer = pointer.next;
}
if (found(ref hs, pointer.Data))
{
return(pointer);
}
}
return(cLinkedList.GetRoot());
}
private int LinkedListToNumber(CLinkedList c)
{
var start = c.GetRoot();
int dig = 0;
int number = 0;
while (true)
{
if (start.Data != 0)
{
int mutl = (int)Math.Pow(10, dig);
number += (start.Data * mutl);
}
else
{
number += 0;
}
dig++;
if (start.next == null)
{
break;
}
start = start.next;
}
return(number);
}
public void FindDuplicate()
{
CLinkedList c = new CLinkedList();
c.Insert(4);
c.Insert(3);
c.Insert(1);
c.Insert(2);
c.Insert(4);
c.print();
var node = FindALoop(c);
if (node != c.GetRoot())
{
Console.WriteLine($"Faulty node is {node.Data}");
}
else
{
Console.WriteLine($"No faulty node in c");
}
CLinkedList c2 = new CLinkedList();
c2.Insert(5);
c2.Insert(1);
c2.Insert(3);
c2.Insert(4);
c2.print();
var node2 = FindALoop(c2);
if (node2 != c2.GetRoot())
{
Console.WriteLine($"Faulty node is {node2.Data}");
}
else
{
Console.WriteLine($"No faulty node in c2");
}
}
