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Learn Data Structures and Algorithms in JavaScript

Problem: Remove Nth Node From End of List

Explore how to remove the nth node from the end of a singly linked list efficiently using JavaScript. Understand the two-pointer approach with a dummy node to perform the removal in a single pass while handling edge cases. Learn to implement this linear-time, constant-space algorithm for linked list manipulation.

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Statement

Given the head of a singly linked list, remove the nthn^{th} node from the end of the list and return the head of the modified list.

Note: Could you solve this in a single pass through the list?

Constraints:

  • The number of nodes in the list is sz

  • 1≤1 \leq sz ≤30\leq 30

  • ...