Solution: Palindrome Linked List
Explore how to apply the fast and slow pointer technique to identify the midpoint of a linked list, reverse its second half, and compare both halves to check for palindrome properties. Learn how to restore the original linked list structure after the check. This lesson helps you implement an O(n) time and O(1) space efficient algorithm for palindrome verification in linked lists.
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We'll cover the following...
Statement
Given the head of a linked list, your task is to check whether the linked list is a palindrome or not. Return TRUE if the linked list is a palindrome; otherwise, return FALSE.
Note: The original structure of the linked list must remain unchanged before and after the checking process.
Constraints:
Let n be the number of nodes in a linked list.
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n...