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Grokking the Coding Interview Patterns in C#

Solution: Reverse Nodes in Even Length Groups

Explore how to reverse nodes in even-length groups of a linked list by modifying links in-place. This lesson teaches you to efficiently manipulate linked lists with O(n) time and O(1) space complexity, focusing on reversing segments without extra storage.

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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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