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Grokking the Coding Interview Patterns in JavaScript

Solution: Reverse Nodes in Even Length Groups

Explore how to reverse nodes in each even-length group within a linked list by manipulating pointers directly. This lesson teaches an in-place technique to handle node reversal without extra space, focusing on correctly maintaining connections while preserving odd-length groups.

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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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