dsa · easy
Palindrome Linked List
GreyOrangeLinked ListTwo PointersFoundation
Return whether the value list head is a palindrome.
Arguments
head— the linked list, given as a Python list of node values
**Example:** [1,2,2,1] → true. [1,2] → false.
Constraints
0 <= length <= 10^5 Hidden tests include near-max size for this bound; a slower-than-intended solution TLEs.
Examples
Example 1
Input: [1,2,2,1] Expected: true
Example 2
Input: [1,2] Expected: false