Remove Duplicates from Sorted List

Easy

linked-list

Given the head of a sorted linked list, delete duplicates so each value appears once, and return the (still sorted) list.

Input: one line of space-separated integers (sorted). Output: the deduplicated list's values.

Example 1

Input:

1 1 2

Output:

1 2

Example 2

Input:

1 1 2 3 3

Output:

1 2 3

Run your code against the sample tests, or Submit to run the full suite.

Easy

linked-list

Given the head of a sorted linked list, delete duplicates so each value appears once, and return the (still sorted) list.

Input: one line of space-separated integers (sorted). Output: the deduplicated list's values.

Example 1

Input:

1 1 2

Output:

1 2

Example 2

Input:

1 1 2 3 3

Output:

1 2 3

Run your code against the sample tests, or Submit to run the full suite.