Revision vault
DSA Sheets, Notes & Daily Solves
Curated roadmaps for DSA, SQL, DBMS and system design. Work through them topic by topic, track every solve, and keep notes on what you learn.
- Solved
- 86
- Sheets
- 6
- Streak
- 14d
Striver's A2Z DSA Sheet
20 modules • Complete roadmap from basics to advanced DP, graphs & tries
SQL Mastery & Query Notes
Top 50 LeetCode SQL • Window Functions & Schema Design
DBMS Core Interview Notes
ACID • Normalization • B+ Tree Indexes • Concurrency Control
System Design (HLD + LLD)
Scalable Architecture Blueprints & Real-World Interview Case Studies
Blind 75 & NeetCode 150
18 patterns • The NeetCode roadmap, with the Blind 75 marked
OS & Computer Networks
Core CS Foundations Asked in Technical Interview Rounds 1 & 2
Question Solving Heatmap
Continuous activity across LeetCode, Striver A2Z & SQL Playbooks
Recently Solved
Your latest accepted LeetCode submissions
Solvers Leaderboard
Peer rankings automatically synced from questions solved today
Kavya Sharma
IIIT Hyderabad • Google Intern
Aditya Patel
DTU • Microsoft Prep
Rohit Verma
NIT Trichy • Amazon Prep
Sneha Reddy
BITS Pilani • Uber SDE
Tanmay Gupta
NSUT • Bloomberg Prep
Dev Kulkarni
IIT Bombay • Databricks Aspirant
You (Current Rank)
YOUTarget: FAANG / Tier 1 SDE