Solution: Palindrome Linked List
Explore how to determine if a singly linked list is a palindrome without altering its structure. Learn to find the middle with fast and slow pointers, reverse the second half for comparison, and restore the list, mastering a space-efficient O(1) approach.
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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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