Learn Dsa Dev

Complete DSA Roadmap

A practical guide with curated problems and resources

3-4 months commitment
75+ handpicked problems
Curated video resources
Progressive difficulty

Step 0: Prerequisites

Setup your coding environment and basics

Beginner1 week

Environment Setup

Learning Resources:

VS Code SetupGit Basics

Practice Problems:

Hello WorldEasyBasic I/OEasy

Language Basics

Learning Resources:

Python for DSAJava for DSA

Practice Problems:

String MethodsEasyArray MethodsEasy

Step 1: Programming Basics

Build your foundation with these essential concepts

Beginner2-3 weeks

Time & Space Complexity

Learning Resources:

Big-O Notation Guide14 PatternsComplexity Quiz

Practice Problems:

Two SumEasyValid AnagramEasy

Arrays & Basic Math

Learning Resources:

Array Techniques

Practice Problems:

Plus OneEasyMaximum SubarrayMedium

Step 2: Basic Data Structures

Master the fundamental building blocks

Beginner-Intermediate3-4 weeks

Arrays & Strings

Learning Resources:

Sliding WindowTwo Pointers

Practice Problems:

Contains DuplicateEasyValid PalindromeEasy3SumMedium

Hashing

Learning Resources:

Hash Table Guide

Practice Problems:

Group AnagramsMediumTop K FrequentMedium

Step 3: Core Data Structures

Learn essential data structures used in interviews

Intermediate4-5 weeks

Linked Lists

Learning Resources:

Linked List Patterns

Practice Problems:

Reverse Linked ListEasyMiddle of Linked ListEasyLRU CacheMedium

Trees

Learning Resources:

Tree Traversal Guide

Practice Problems:

Maximum DepthEasyLevel OrderMedium

Step 4: Advanced Patterns

Master common algorithmic patterns

Intermediate-Advanced4-6 weeks

Dynamic Programming

Learning Resources:

DP Patterns

Practice Problems:

Climbing StairsEasyHouse RobberMediumLongest Common SubsequenceMedium

Graphs

Learning Resources:

Graph Algorithms

Practice Problems:

Number of IslandsMediumCourse ScheduleMedium

Step 5: Advanced Data Structures

Master complex data structures used in advanced problems

Advanced4-5 weeks

Advanced Trees

Learning Resources:

Red Black TreesSegment Trees

Practice Problems:

Range Sum QueryMediumBinary LiftingHard

Advanced Heaps

Learning Resources:

Priority Queue Patterns

Practice Problems:

Merge K ListsHardFind MedianHard

Step 6: Advanced Algorithms

Learn complex algorithmic techniques

Advanced5-6 weeks

String Algorithms

Learning Resources:

KMP AlgorithmRabin Karp

Practice Problems:

String MatchingMediumLongest PalindromeHard

Advanced Graph

Learning Resources:

Network Flow

Practice Problems:

Critical ConnectionsHardBus RoutesHard

Step 7: Dynamic Programming Advanced

Master advanced DP patterns and techniques

Advanced6-8 weeks

DP Patterns

Learning Resources:

MCM PatternBitmask DP

Practice Problems:

Burst BalloonsHardRegular ExpressionHard

Advanced DP

Learning Resources:

Tree DP

Practice Problems:

Longest Increasing PathHardCherry Pickup IIHard

Step 8: Interview Preparation

Final preparation and interview patterns

Mixed4-6 weeks

System Design

Learning Resources:

System Design PrimerDesign Patterns

Practice Problems:

LRU CacheMediumDesign TwitterHard

Mock Interviews

Learning Resources:

Interview Tips

Practice Problems:

Common ProblemsMixedCompany QuestionsMixed

Study Tips:

  • Solve problems without looking at solutions first
  • Watch concept videos before starting a new topic
  • Review solutions even for correctly solved problems
  • Practice similar problems to reinforce patterns