Data Structures and Algorithms through Coding Challenges — PickAClass
3.8 (4) ⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Data Structures and Algorithms through Coding Challenges

Master essential computer science concepts and write highly efficient code by solving practical programming challenges designed for developers of all backgrounds.

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About this course

Every developer eventually faces complex coding problems that require more than just basic syntax to solve. Developing a strong grasp of how data is organized and processed is the key to writing clean, optimized, and professional code. This text-based course guides you step-by-step through core computer science principles, showing you how to analyze code performance and implement classic structures from scratch. Through clear written explanations, detailed code walkthroughs, and targeted exercises, you will transform from a syntax-focused coder into an analytical problem solver ready for technical challenges. What you'll learn: - Analyze code performance using Big O notation to evaluate time and space complexity - Master recursion to solve complex, repetitive programming problems with elegant code - Implement fundamental data structures including linked lists, stacks, queues, trees, and hash maps - Compare and apply classic sorting algorithms like bubble, selection, merge, and quick sort - Write clean, modern JavaScript solutions using high-order array methods and modern syntax standards The course begins with foundational definitions of algorithmic efficiency before moving into hands-on coding challenges. You will progress from basic iteration problems to advanced data structure implementations, custom class designs, and traversal techniques. This course is designed for beginner to intermediate developers who understand basic programming concepts like loops, functions, and arrays, and want to build a rock-solid computer science foundation. Start reading today to elevate your programming skills and approach any coding problem with confidence.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • 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
Data Structures and Algorithms through Coding Challenges
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
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PickAClass — Name Surname
Data Structures and Algorithms through Coding Challenges
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.

Reviews (4)

임하윤 KR
★ 2 · August 9, 2026

Hmm, I'm not sure this is for absolute beginners. It assumes a bit of prior knowledge that wasn't explicitly taught. Some examples were confusing.

ريم بنت عبدالله بن محمد آل ثاني QA
★ 5 · July 29, 2026

So impressed with how this was put together. The examples were perfect, and the overall structure made complex ideas easy to grasp. Loved it!

Tom Schmit LU
★ 4 · July 19, 2026

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

محمد DZ Verified learner
★ 4 · July 14, 2026

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

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

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

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

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

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