contributed by < kdnvt >
:information_source: There are two branches in the GitHub repository. While main is the straightforward version, unrolling use the technique of loop unrolling to optimize the code.
Palindrome Linked List (LeetCode 234)
Description: Given the head of a singly linked list, return true if it is a palindrome or false otherwise.
Constraints: The number of nodes in the list is in the range [1, 105].
0 <= Node.val <= 9