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Module 1 free

DSA Fundamentals

Visual-first Data Structures & Algorithms — arrays, strings, searching, sorting, recursion, linked lists, stacks, queues, hashing, trees, BST, heaps, graphs, greedy, backtracking, DP, interview drills, and four capstone projects.

Continue · Welcome to DSAView full curriculum

Your Outcome

Students who complete this course receive

  • Certificate
  • Projects
  • Skills

12 skills.

21 modules·248 lessons·Earn your certificate

What you'll learn

  • Explain core data structures with clear visual mental models
  • Analyze time and space complexity for beginner interview problems
  • Implement patterns like two pointers, sliding window, and BFS/DFS
  • Apply greedy, backtracking, and DP ideas on classic problems
  • Practice interview sets and ship four visual DSA projects

Where this course fits

Visual-first DSA for students and placement starters — patterns before memorization.

Prerequisites

Basic Python (variables, loops, functions)

Advisory only — Module 1 is open to everyone.

Earn while learning

Invite a friend. Both of you receive ₹50 Avora Credits after their first successful purchase.

Invite friends

Frequently asked questions

No. You need comfort with basic Python and willingness to practice patterns. Complexity is taught visually.

Skills You'll Gain

Practical skills you can list on your resume.

  • Arrays & strings
  • Searching & sorting
  • Recursion
  • Linked lists
  • Stacks & queues
  • Hashing
  • Trees & BST
  • Heaps
  • Graphs
  • Greedy & backtracking
  • Dynamic programming
  • Interview drills

Module 1 preview lessons are free to start.

Full curriculum

Every module and lesson is listed — nothing hidden behind a paywall.

  1. 1Welcome to DSA🧠 Theory
  2. 2Why Data Structures?🧠 Theory
  3. 3Why Algorithms?🧠 Theory
  4. 4Big-O Intuition🧠 Theory
  5. 5Common Complexities🧠 Theory
  6. 6Time vs Space Tradeoffs🧠 Theory
  7. 7Problem-Solving Framework🧠 Theory
  8. 8Complexity Recap🧠 Theory

🏆 What You'll Get

Finish the course and walk away with proof employers can verify.

  • Digital Certificate of Completion

    A shareable credential that proves you finished the course.

  • Verifiable Certificate ID

    Every certificate includes a unique ID employers can check.

  • Downloadable PDF

    Save and print a polished PDF anytime after you earn it.

  • LinkedIn Ready

    Add it to your profile and share your achievement with one click.

  • Lifetime Verification

    Public verification stays available so your credential remains trusted.

Certificate preview

A sample of the credential you'll earn — with your name after completion.

YOUR NAME HERE

DSA Fundamentals

AVL-DSA-2026-000000

July 11, 2026

Scan to Verify

avora.ai/verify

Arrays & strings

Searching & sorting

Recursion

Linked lists

Stacks & queues

Hashing

92%

Mastery

Sample certificate for DSA Fundamentals. Display ID AVL-DSA-2026-000000. Issue date July 11, 2026.

How to Earn Your Certificate

Clear requirements — no surprises when you finish.

  1. Step 1

    Complete all lessons

    Finish every lesson in the curriculum.

  2. Step 2

    Complete coding challenges

    Solve the playgrounds and practice tasks.

  3. Step 3

    Pass final assessment

    Show you can apply what you learned.

  4. Step 4

    Achieve required mastery

    Meet the course mastery threshold to unlock your certificate.

Reviews & ratings

From verified learners who made meaningful progress in this course.

Sign in to leave a course review.

🚀 Where You'll Use These Skills

Concrete ways this course pays off beyond the classroom.

  • Build Personal Projects

    Ship small sites and pages you can show friends and employers.

  • Create Portfolio Websites

    Turn course builds into portfolio pieces with real structure.

  • Prepare for Technical Interviews

    Practice explaining markup, layout, and browser basics with confidence.

  • Foundation for Advanced Courses

    Unlock CSS, JavaScript, and project courses on a solid base.

By the end of this course you will be able to

  • Choose the right structure for a problem
  • Trace algorithms with visual intuition
  • Solve placement-style coding prompts confidently
  • Build portfolio DSA projects you can explain in interviews

Skill level & time

Know what you're signing up for.

Difficulty

BeginnerIntermediateAdvanced
Estimated completion
~116h to complete
Estimated study hours
About 116 study hours
Difficulty
Beginner

💼 Portfolio Ready

Projects completed in this course can be added to your portfolio — proof of skills employers can see, not just a course title.

Complete the course challenges and practice builds — then publish them as portfolio proof alongside your Avora certificate.

Continue Your Journey

Recommended next Avora courses after this one.

  1. This course
  2. Python
  3. SQL
  4. Git & GitHub

How the course progresses

A high-level view of how your knowledge grows.

  1. Core structures

    Arrays, strings, lists, stacks, queues, hashing

  2. Trees & graphs

    Trees, BST, heaps, BFS/DFS, and graph patterns

  3. Advanced patterns

    Greedy, backtracking, and dynamic programming

  4. Interview & projects

    Drills plus four capstone builds