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Pick a subject and work through the Top 10 → Top 25 → Top 50 notes in priority order.

Subjects

DSA Patterns

Master Data Structures & Algorithms through structured learning paths and interview-focused problem patterns.

CSE Starter Guide

A structured roadmap for beginners covering programming, Git, Linux, CS fundamentals, and essential developer tools.

Placement Guide

Complete placement preparation covering resumes, aptitude, coding rounds, interviews, and job search strategies.

Quantitative Aptitude

Master arithmetic, number theory, and advanced math—essential for competitive coding, technical interviews, and aptitude tests.

Logical Reasoning

Step-by-step logic for puzzles, seating arrangements, and syllogisms. Master the patterns that matter in competitive exams and interviews.

Verbal Ability

Improve your grammar, comprehension, and vocabulary—the final step in your placement preparation and interview communication skills.

Operating Systems

Processes, threads, scheduling, memory management, synchronization, deadlocks, and placement interview preparation.

DBMS

Placement-focused DBMS covering ER models, normalization, transactions, indexing, SQL integration, and interview questions.

SQL

Master SQL from basic queries to joins, subqueries, window functions, query optimization, and interview-focused problem solving.

Computer Networks

OSI, TCP/IP, routing, subnetting, DNS, HTTP, congestion control, and interview-focused networking concepts for placement and technical interviews.

SDLC

Software engineering, Agile, Scrum, DevOps, SDLC models, testing, and software development interview preparation.

Java

Core Java, OOPs, Collections, Exceptions, Multithreading, and Java 8+ — interview-focused.

Python

Python fundamentals, data structures, GIL, comprehensions, and interview deep-dives.

Go

Goroutines, channels, slices, interfaces, and concurrency patterns.

C++

Pointers, memory, STL containers, templates, and OOP in C++.

C

Pointers, memory management, structs, and the C preprocessor.

Rust

Ownership, borrowing, lifetimes, traits, and enums.

Interview Puzzle

Master Puzzle's that are asked in Interviews .

Behavioral Interviews

Master STAR, core stories, and 31+ behavioral question patterns. Frameworks for Tell Me About Yourself, conflict, failure, and more.

DSA Playlists

Blind 75

Practice the famous Blind 75 interview questions after completing the core DSA roadmap.

SWE Sheet

Pattern-based curated list: arrays, two pointers, sliding window, and binary search problems.

Last Minute Revision

84 essential coding patterns with difficulty and practice links for last-minute prep.

Arrays

Build a strong foundation with arrays, hashing, prefix sums, two pointers, and sliding window patterns.

Strings

Master string manipulation, hashing, pattern matching, and sliding window techniques.

Binary Search

Learn binary search, search space reduction, lower/upper bounds, and optimization problems.

Linked List

Fast & slow pointers, reversing lists, merging, cycle detection, and interview patterns.

Stack & Queue

Master stacks, queues, monotonic stacks, deques, parentheses problems, and interview-focused simulation techniques.

Recursion

Learn recursive thinking, divide-and-conquer, and recursive problem-solving techniques.

Backtracking

Solve subsets, permutations, combinations, N-Queens, Sudoku, and constraint-search problems.

Binary Tree

Master DFS, BFS, traversals, path problems, diameter, LCA, and tree recursion.

Binary Search Tree

Learn BST operations, validation, balancing, iterators, and interview problems.

Heap / Priority Queue

Top-K problems, scheduling, merge K lists, median finding, and heap patterns.

Greedy Algorithms

Interval scheduling, activity selection, Huffman coding, and greedy optimization techniques.

Graph

BFS, DFS, shortest paths, topological sort, Union-Find, MST, and graph algorithms.

Dynamic Programming

Learn memoization, tabulation, state transitions, and classic DP interview patterns.

Bit Manipulation

Master XOR tricks, bitmasks, bitwise operators, and binary optimization techniques.

Trie

Prefix trees, autocomplete, word search, XOR queries, and advanced trie applications.