algoadvance

Leetcode Question: 234 ***************************

234. Palindrome Linked List

***************************

Given the head of a singly linked list, return true if it is a

palindrome

or false otherwise.

 

Example 1:

Input: head = [1,2,2,1]
Output: true

Example 2:

Input: head = [1,2]
Output: false

 

Constraints:

• The number of nodes in the list is in the range [1, 105].
• 0 <= Node.val <= 9

 

Follow up: Could you do it in O(n) time and O(1) space?

---

Solutions: Python   Java  C++
Cut study time in HALF and DOMINATE your interview with AlgoAdvance AI