题目传送地址: https://leetcode.cn/problems/remove-duplicates-from-sorted-list/
运行效率
代码如下:
class Solution {
public static ListNode deleteDuplicates(ListNode head) {
//处理边界情况
if (head == null || head.next == null) {
return head;
}
//递归解法
ListNode listNode = deleteDuplicates(head.next);
if (listNode.val == head.val) {
return listNode;
}else{
head.next=listNode;
return head;
}
}
}