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Grokking the Coding Interview Patterns in JavaScript

Solution: Reverse Linked List II

Explore how to reverse a portion of a singly linked list from a given left to right position using in-place pointer manipulation. Learn an optimized algorithm that uses a dummy node and pointer re-linking to achieve linear time complexity and constant space usage. Understand the step-by-step process to modify the list efficiently without extra memory.

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Statement

Given a singly linked list with nn nodes and two positions, left and right, the objective is to reverse the nodes of the list from left to right. Return the modified list.

Constraints:

  • 1≤1 \leq n ≤500\leq 500
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