Class Solution

java.lang.Object
g0201_0300.s0234_palindrome_linked_list.Solution

public class Solution extends java.lang.Object
234 - Palindrome Linked List.

Easy

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

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?

  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • isPalindrome

      public boolean isPalindrome(ListNode head)