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Learn Data Structures and Algorithms in JavaScript

Problem: Remove Nth Node From End of List

Explore how to efficiently remove the nth node from the end of a singly linked list using the two-pointer approach. Understand how to implement this with a single pass, handle edge cases using a dummy node, and grasp the time and space complexity of the solution.

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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

  • ...