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Solution: Reorder List

Explore how to reorder a singly linked list in place by locating its middle, reversing the second half, and merging the halves alternately. This lesson guides you through an optimized approach with linear time complexity and constant space, helping you master efficient linked list manipulation for coding interviews.

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} ...