Practice Remove Duplicates from Sorted List
Read the task, work through the examples, and check your approach against the constraints. Use the original LeetCode task for coding and submissions.
Problem Statement
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.
Source: Remove Duplicates from Sorted List on LeetCode. Use the original task for its coding environment and submissions.
Examples
# Example 1
Input
head = [1,1,2]
Output
[1,2]
# Example 2
Input
head = [1,1,2,3,3]
Output
[1,2,3]
Constraints
The number of nodes in the list is in the range [0, 300].
-100 <= Node.val <= 100
The list is guaranteed to be sorted in ascending order.
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