using System;
using System.Collections.Generic;
class Test
{
public class ListNode
{
public int val;
public ListNode next;
public ListNode(int x)
{
val = x;
}
}
static void Main()
{
var list = new ListNode(0)
{
next = new ListNode(0)
{
next = new ListNode(1)
}
};
var node = list.next.next;
DeleteNode(list);
}
public static void DeleteNode(ListNode node)
{
if (node != null && node.next != null)
{
node.val = node.next.val;
node.next = (node.next.next == null) ? null : node.next;
DeleteNode(node.next);
}
}
}