Phase 21 · Data Structures & Algorithms

Topics

Linked List

Part of the Backend Developer Roadmap.

Summary

A linear data structure of nodes linked via pointers rather than contiguous memory — a classic interview topic for pointer manipulation practice.

How to Learn This

  • 1Implement a singly linked list from scratch (insert, delete, traverse).
  • 2Solve classic problems: reverse a linked list, detect a cycle, find the middle node.
  • 3Learn the 'fast and slow pointer' (tortoise and hare) technique.
InsideEdge

Stuck on this topic? Ask an Insider

Get 1:1 guidance from people who've walked this exact path — free on the InsideEdge app.

Download
InsideEdge