public static int PrintKthElementToLast(graphNodes1 head, int k)
{
if (head == null)
{
return(0);
}
int index = PrintKthElementToLast(head.next, k) + 1;
if (index == k)
{
Console.WriteLine(head.val);
}
return(index);
}
//public static void Main(string[] args)
//{
// # region "INPUT"
// Node e = new Node();
// e.val = 7;
// e.next = null;
// Node d = new Node();
// d.val = 6;
// d.next = e;
// Node c = new Node();
// c.val = 5;
// c.next = d;
// Node b = new Node();
// b.val = 4;
// b.next = c;
// Node a = new Node();
// a.val = 3;
// a.next = b;
// #endregion
// PrintKthElementToLast(a, 2);
// //RemoveDups(a);
//}
public static void RemoveDups(graphNodes1 n)
{
List <int> lst = new List <int>();
graphNodes1 prev = null;
while (n != null)
{
if (lst.Contains(n.val))
{
prev.next = n.next;
}
else
{
lst.Add(n.val);
prev = n;
}
n = n.next;
}
}