Remove Duplicates from Sorted List
Easy
Topics
Given the head of a sorted linked list, delete all duplicates so that each value appears only once. Return the sorted list.
Example 1
Input: head = [1,1,2] Output: [1,2]
Example 2
Input: head = [1,1,2,3,3] Output: [1,2,3]
Constraints
- 0 <= number of nodes <= 300
- -100 <= Node.val <= 100
- The list is sorted in non-decreasing order.
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