Leetcode学习笔记：#83. Remove Duplicates from Sorted List

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

实现：

public ListNode deleteDuplicates(ListNode head) { if(head == null || head.next == null)return head; head.next = deleteDuplicates(head.next); return head.val == head.next.val ? head.next : head; }