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【链表】83. 删除排序链表中的重复元素 #19

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@lyonyang

存在一个按升序排列的链表,给你这个链表的头节点 head ,请你删除所有重复的元素,使每个元素 只出现一次 。

返回同样按升序排列的结果链表。

示例 1:

demo 1

输入:head = [1,1,2]
输出:[1,2]

示例 2:

demo 2

输入:head = [1,1,2,3,3]
输出:[1,2,3]

提示:

  • 链表中节点数目在范围 [0, 300]
  • -100 <= Node.val <= 100
  • 题目数据保证链表已经按升序排列

来源:力扣(LeetCode)
链接:https://leetcode-cn.com/problems/remove-duplicates-from-sorted-list
著作权归领扣网络所有。商业转载请联系官方授权,非商业转载请注明出处。

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