Reverse Linked List — Easy Coding Interview Question

Given the head of a singly linked list, reverse the list, and return the reversed list.

Example

Input: head = [1,2,3,4,5]

Output: [5,4,3,2,1]

Constraints

• 0 ≤ list length ≤ 5000

Topics & Companies

Topics: linked-list

Asked by: Amazon, Google, Meta, Microsoft, Apple, Adobe

Optimal Solution Complexity

Time complexity: O(n). Space complexity: O(1).

Practice more

• All DSA Problems
• DSA Patterns