Search⌘ K
AI Features

Solution: Reorder List

Explore how to reorder a singly linked list by finding its middle node, reversing the second half, and merging both halves alternately. Understand the optimized in-place approach that achieves linear time complexity and constant space, enabling efficient linked list manipulation without extra memory.

Statement

Given the head of a singly linked list, reorder the list as if it were folded on itself. For example, if the list is represented as follows:

L0L_{0} ...