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Reverse Nodes in Even Length Groups

Explore how to reverse nodes in even-length groups within a linked list by manipulating the list in-place for optimized memory use. Understand the grouping based on natural number sequences and practice implementing this technique to strengthen your linked list problem-solving skills.

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...).

In other words:

  • The 1st1^{st} ...