LeetCode -- Remove Duplicates from Sorted List

public class Solution {
    public ListNode DeleteDuplicates(ListNode head) {
         if(head == null || head.next == null){
            return head;
        }
        
        var node = new ListNode(head.val);
		var tmp = node;
		
        head = head.next;
        while(head != null){
            if(head.val != node.val){
                node.next = new ListNode(head.val);
                node = node.next;
            }
            head = head.next;
        }
        
		node = tmp;
        return node;
    }
}

LeetCode -- Remove Duplicates from Sorted List

原文：http://blog.csdn.net/lan_liang/article/details/48576027