https://leetcode.com/problems/remove-duplicates-from-sorted-list
Given the head of a sorted linked list, delete all duplicates such that each element appears only once. Return the linked list sorted as well.
head
Example 1:
Example 2:
Constraints:
The number of nodes in the list is in the range [0, 300].
[0, 300]
-100 <= Node.val <= 100
The list is guaranteed to be sorted in ascending order.
Last updated 4 years ago
**Input:** head = [1,1,2] **Output:** [1,2]
**Input:** head = [1,1,2,3,3] **Output:** [1,2,3]
