All Roadmaps›🧠 Data Structures & Algorithms›Phase 2

Phase 2: Core Data Structures

Master arrays, strings, linked lists, stacks, queues, hash tables, sets, sorting, searching, and foundational patterns.

Phase progress

0 of 14 topics completed

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1

Arrays — Deep Dive & Internal Implementation

2

String Manipulation & Pattern Matching

3

Singly Linked Lists — Build from Scratch

4

Doubly Linked Lists & Circular Lists

5

Stacks — Implementation & Applications

6

Queues, Deques & Circular Queues

7

Hash Tables & Hash Maps — Internal Working

8

Sets & Maps — Built-in & Custom

9

Recursion-Based Structures (Linked List Ops, Nested Structures)

10

Matrices & 2D Arrays

11

Sorting Algorithms (Bubble, Selection, Insertion, Merge, Quick)

12

Searching Algorithms (Linear & Binary Search)

13

Two Pointers Pattern

14

Sliding Window Pattern

🎤 Mock Interview

Practice a live interview for Phase 2: Core Data Structures