Introduction to Algorithms and Data Structures — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Introduction to Algorithms and Data Structures

Build a solid computer science foundation by learning essential algorithms, key data structures, and practical logic through clear written lessons and exercises.

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About this course

Understanding algorithms is essential for writing efficient code and solving complex computational problems. This beginner-friendly text-based course guides you through core computer science concepts from the ground up, giving you the confidence to think algorithmically. You will start with key terminology and basic efficiency analysis before exploring how fundamental logic operates under the hood. What you will learn: Learn core algorithm concepts, terminology, and Big O notation for measuring efficiency; Understand essential data structures including arrays, linked lists, stacks, queues, and hash tables; Master searching and sorting techniques through structured code walkthroughs; Apply recursion and iterative patterns to break down multi-step problems; Practice step-by-step logic design with written problem sets of varying difficulty. The course begins with foundational principles before guiding you through structured trace examples and practical exercises. Ideal for aspiring software developers and computer science beginners, this course requires no prior algorithm background. Begin reading today to strengthen your problem-solving skills.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    2h 48m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Introduction to Algorithms and Data Structures
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Introduction to Algorithms and Data Structures
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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