Certification course

Learn Data Structures and Algorithms.

Learn DSA and build the problem-solving skills interviews test.

$95Exam and certificate included

All 33 courses · $499

Already know Data Structures and Algorithms? Take the exam · $95

14-day money-back guarantee · Instant access · Lifetime access

BeginnerNo experience needed
40 hoursAt your own pace
53 modulesLessons, quizzes, exercises
Exam includedNo need to buy separately
W3Schools Hero1 year included

Our learners work at

What you'll learn

Real Data Structures and Algorithms skills, step by step.

Everything you need to use Data Structures and Algorithms with confidence, from the first line to real projects.

Understand basic data structures like arrays, linked lists, trees, and graphs.
Learn how to sort and search data efficiently.
Analyze the performance of algorithms using time complexity.
Improve program efficiency by selecting appropriate data structures.
Solve real-world problems with effective algorithms.

Roles you'll be ready for

Software Engineer
Back-End Developer
Full Stack Developer
Systems Engineer
Algorithm Engineer
Machine Learning Engineer
Competitive Programmer
Game Developer
Data Engineer
Technical Interview Candidate
Platform Engineer
Embedded Software Engineer

Syllabus

Everything the course covers.

8 chapters · 53 modules · 40 hours

01Introduction and arrays4 modules

DSA HOME
DSA Intro
DSA Simple Algorithm
DSA Arrays

02Sorting7 modules

DSA Bubble Sort
DSA Selection Sort
DSA Insertion Sort
DSA Quick Sort
DSA Counting Sort
DSA Radix Sort
DSA Merge Sort

03Searching2 modules

DSA Linear Search
DSA Binary Search

04Linked lists, stacks and queues6 modules

DSA Linked Lists
DSA Linked Lists in Memory
DSA Linked Lists Types
Linked Lists Operations
DSA Stacks
DSA Queues

05Hash tables3 modules

DSA Hash Tables
DSA Hash Sets
DSA Hash Maps

06Trees8 modules

DSA Trees
DSA Binary Trees
DSA Pre-order Traversal
DSA In-order Traversal
DSA Post-order Traversal
DSA Array Implementation
DSA Binary Search Trees
DSA AVL Trees

07Graphs13 modules

DSA Graphs
Graphs Implementation
DSA Graphs Traversal
DSA Cycle Detection
DSA Shortest Path
DSA Dijkstra's
DSA Bellman-Ford
Minimum Spanning Tree
DSA Prim's
DSA Kruskal's
DSA Maximum Flow
DSA Ford-Fulkerson
DSA Edmonds-Karp

08Time complexity10 modules

DSA Time Complexity
DSA Bubble Sort Time Complexity
DSA Selection Sort Time Complexity
DSA Insertion Sort Time Complexity
DSA Time Complexity for Specific Algorithms
DSA Counting Sort Time Complexity
DSA Radix Sort Time Complexity
DSA Merge Sort Time Complexity
DSA Linear Search Time Complexity
DSA Binary Search Time Complexity

Your certificate

Become a Certified DSA Developer.

A credential from the site that has taught the web since 1999.

Learn
Lessons, quizzes and exercises. No deadlines.
Pass the exam
Online, multiple choice. 3 attempts, results instantly.
Share it
On LinkedIn and your CV. Employers verify it by link or QR code.

Your score sets your level: Intermediate 40% · Advanced 75% · Professional 90%

Also included

A year of W3Schools Hero.

Keep learning and building long after the exam. Worth $120, included.

Unlimited learning in the app
Full access on iOS and Android. Learn anywhere.
Build with Spaces
Your own space to build, test and deploy real projects.
Ad-free W3Schools
Learn on w3schools.com without ads.
Leaderboard and challenges
Earn XP, keep your streak, compete with other learners.

Pricing

One course, or all of them.

This course

Learn Data Structures and Algorithms

$95one-time

The full Data Structures and Algorithms course
Data Structures and Algorithms exam and certificate
1 year of W3Schools Hero
Lifetime access

14-day money-back guarantee, as long as no exam attempt is used.

Best value

Full Access

$499one-time

All 33 courses, including Data Structures and Algorithms
45+ certification exams and certificates
W3Schools Hero for life
Lifetime access

Get Full Access 14-day money-back guarantee, as long as no exam attempt is used.

Questions? Answers.

Do you have a money-back guarantee?

Yes. If you are not satisfied, you get your money back within 14 days of purchase, as long as no exam attempts are used. Our refund policy.

How fast do I get access?

Instantly. Right after purchase you get an email with access to the course and the exam.

How does the exam work?

The exam is online and multiple choice. You get 3 attempts and choose when to take each one. Your score sets your level: Intermediate (40%), Advanced (75%) or Professional (90%).

Does the certificate expire?

No. The certificate never expires. It is issued in your name and employers can verify it with a unique link or QR code.

What is the difference between the course and the exam?

The course includes lessons, exercises, progress tracking and the exam. If you already know the subject, you can buy the exam only and go straight to certification.