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Grokking the Coding Interview Patterns

Swapping Nodes in a Linked List

Understand how to swap the values of the kth node from the beginning and the kth node from the end in a linked list. Explore efficient in-place linked list operations and practice implementing these techniques to reorder nodes without extra space.

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Statement

Given the head of a linked list and an integer, k, return the head of the linked list after swapping the values of the kthk^{th} node from the beginning and the k ...