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Deep-copy a finite singly linked list represented by nested Python lists. Preserve values and structure while allocating every returned node independently and leaving the original chain untouched.

  • medium
  • Grammarly
  • Coding & Algorithms
  • Software Engineer

Deep-Copy a Linear Linked List

Company: Grammarly

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Quick Answer: Deep-copy a finite singly linked list represented by nested Python lists. Preserve values and structure while allocating every returned node independently and leaving the original chain untouched.

Last updated: Jul 18, 2026
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