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Grokking the Coding Interview Patterns in Go

Solution: Reverse Nodes in Even Length Groups

Explore how to reverse nodes in each even-length group of a linked list in-place. Understand the algorithm that identifies group sizes, reverses nodes only in even-sized groups using pointer manipulation, and preserves odd groups. This lesson helps you master linked list segment reversal with optimal time and space complexity.

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Statement

Given the head of a linked list, the nodes in it are assigned to each group in a sequential manner. The length of these groups follows the sequence of natural numbers. Natural numbers are positive whole numbers denoted by (1,2,3,4...)(1,2,3,4...).

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