Everything about DSA
A structured pattern-based approach to DSA mastery. Instead of solving random problems, learn to recognise the 56 patterns across 10 categories that cover 95% of coding interview questions.
10
Categories
56+
Patterns
276+
Problems
2026
Updated
Side-by-side comparison across 18 industry-critical features
DSA Leading Score
Content Depth
8.8
Industry Rel.
9.5
Hiring Align
9.7
Trend Align
9.2
Practicality
9.6
Beginner
9.4
Unique approach - most courses show code, this teaches when and why to apply each pattern
Most comprehensive DP pattern breakdown - from basic to probability & interval DP
Full coverage from connected components to MST and graph coloring - rare in one roadmap
Unique graph-integrated heap patterns rarely grouped this way anywhere else
Unified tree framework covering traversal, construction, paths, validation in one place
Every problem mapped to its exact pattern - builds muscle memory for pattern identification
Pattern Recognition System
Recognition Clue per Pattern
Interview-Ready Problem Coverage
Binary Trees & BST Coverage
Dynamic Programming Patterns
Graph Algorithm Coverage
Scenario-Based Pattern Identification
Beginner to Interview-Ready Path
FAANG Interview Alignment
Problem-Pattern Mapping
Beyond Problem Memorization
Most courses teach you to solve problems by memorizing solutions. This roadmap is built around pattern recognition - so you can solve problems you've never seen before.
Traditional DSA Courses
Solution memorization without pattern intuition
Memorise solutions, not patterns
Commonly taught across generic DSA platforms
Random problem ordering - no structure
Commonly taught across generic DSA platforms
No recognition clue per pattern
Commonly taught across generic DSA platforms
Basic graph coverage only (BFS/DFS)
Commonly taught across generic DSA platforms
DP taught as individual problems
Commonly taught across generic DSA platforms
No scenario-based identification
Commonly taught across generic DSA platforms
DSA Pattern-Wise Mastery
Pattern-first recognition system
Pattern Recognition System
56 patterns across 10 categories - recognise the pattern before you attempt the problem.
Scenario-Based Clue per Pattern
Exact keywords and scenarios that signal each pattern - teaches you how to identify, not just solve.
Structured Learning Path
Beginner → Interview-Ready → Competitive - 276 curated problems with zero noise.
Complete Graph Coverage
BFS, DFS, Dijkstra, Topological Sort, Bipartite, MST - full 7-pattern graph mastery.
Dynamic Programming - 8 Patterns
From basic Fibonacci to Interval DP and Probability DP - every variant, not just the classics.
Problem-Pattern Mapping
Every one of the 276 problems is mapped directly to its pattern - builds muscle memory for recognition.
What's Inside
Arrays
Two pointers, sliding window, merge intervals, sorting, prefix sums
Strings
Pattern matching, string manipulation, frequency maps, palindromes
Binary Search
Classic, rotated arrays, search in matrix, bounds-based variants
Recursion
Backtracking, divide & conquer, memoised recursion
Linked List
Fast/slow pointer, reversal, merge, cycle detection
Stacks & Queues
Monotonic stack, BFS queue, expression evaluation
Binary Trees & BST
Traversal, LCA, diameter, BST operations
Priority Queues
Heap patterns, top-K problems, stream processing
Dynamic Programming
1D/2D DP, knapsack, LCS, state machine patterns
Graphs
BFS, DFS, topological sort, union-find, shortest path
How to Use This Sheet
Beginner
Start with Arrays, Strings, and Binary Search. Build fundamentals with easy problems before advancing.
Interview Prep
Cover all 10 categories. Aim for 3 to 5 problems per pattern. Time yourself to simulate interview pressure.
Advanced
Focus on Dynamic Programming and Graphs. Practice pattern identification across mixed, unseen problem sets.
Key Features
- 10 interview-critical DSA categories
- 56 recognisable patterns with clues
- 276 curated LeetCode practice problems
- Pattern-first learning: recognise before solving
- Scenario + Recognition Clue for every pattern
- Organised from fundamentals to advanced DP and Graphs