Solution: Reverse Linked List
Explore how to reverse a singly linked list by in-place manipulation, learning to update node pointers efficiently without extra memory. This lesson helps you understand the algorithm steps, analyze time and space complexity, and implement an optimized solution for linked list reversal useful in coding interviews.
Statement
Given the head of a singly linked list, reverse the linked list and return its updated head.
Constraints:
Let n be the number of nodes in a linked list.