All Roadmaps›🧠 Data Structures & Algorithms›Phase 4

Phase 4: Advanced Data Structures

Master trees, BSTs, heaps, graphs, tries, union-find, segment trees, and advanced graph algorithms for top-tier interviews.

Phase progress

0 of 12 topics completed

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1

Binary Trees — Traversals & Core Operations

2

Binary Search Trees (BST) — Build, Search, Balance

3

Heaps & Priority Queues

4

Graphs — Representations & Fundamentals

5

Advanced Graph Algorithms (Dijkstra, Topological Sort, Union-Find)

6

Tries (Prefix Trees)

7

Segment Trees — Range Queries & Updates

8

Binary Indexed Tree (Fenwick Tree)

9

Balanced BSTs (AVL, Red-Black — Conceptual)

10

Bloom Filters & Probabilistic Data Structures

11

Skip Lists — Probabilistic Balanced Structure

12

Monotonic Stack & Monotonic Queue

🎤 Mock Interview

Practice a live interview for Phase 4: Advanced Data Structures