public void Solution1Test()
{
ListNode head = new ListNode(1);
ListNode node1 = new ListNode(2);
ListNode node2 = new ListNode(3);
ListNode node3 = new ListNode(4);
ListNode node4 = new ListNode(5);
head.next = node1;
node1.next = node2;
node2.next = node3;
node3.next = node4;
RemoveNthFromEnd myRNFE = new RemoveNthFromEnd();
myRNFE.Solution1(head, 5);
myRNFE.Solution1(head, 1);
myRNFE.Solution1(node4, 1);
Assert.Fail();
}
