LeetCode Linked List Easy 83. Remove Duplicates from Sorted List

 Description

Given a sorted linked list, delete all duplicates such that each element appear only once.

Example 1:

Input: 1->1->2
Output: 1->2

Example 2:

Input: 1->1->2->3->3
Output: 1->2->3

 问题描述：给定一个已排序链表，移除重复元素

代码：

 public ListNode DeleteDuplicates(ListNode head) {
        ListNode l = head;
        while(l != null && l.next != null){
            
            if(l.val == l.next.val){
                l.next = l.next.next;
            }else{
                l = l.next;
            }
        }
        return head;
    }