Foundations of Algorithms, Data Structures, and Coding Interviews — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Foundations of Algorithms, Data Structures, and Coding Interviews

Master essential computer science algorithms and data structures through written explanations and practice problems designed to help you clear technical interviews.

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About this course

Cracking the technical interview requires more than just knowing how to write code; it demands a deep, structural understanding of how to solve complex problems efficiently. This text-based course guides you through the fundamental building blocks of computer science, from basic complexity analysis to advanced optimization techniques. You will transition from writing brute-force solutions to designing elegant, optimized algorithms. By studying clear written breakdowns of classical problems, you will learn how to analyze runtime complexity, select the right data structures, and approach coding interview questions with systematic confidence. What you'll learn: - Understand Big O notation and learn how to analyze the time and space complexity of any algorithm. - Implement core data structures, including arrays, matrices, linked lists, and trees, using clean and modern programming practices. - Master essential search and sort algorithms to solve data manipulation challenges efficiently. - Apply mathematical algorithms and number system conversions to tackle specialized computational problems. - Solve realistic algorithmic interview questions by breaking down complex problem statements into structured, step-by-step solutions. - Practice modern code formatting and basic testing principles to ensure your algorithmic solutions are robust and readable. The course begins with foundational definitions and complexity theory before moving into hands-on problem-solving techniques. You will progress through structured written explanations, step-by-step code walkthroughs, and conceptual exercises modeled after real-world technical interviews. This course is designed for beginner programmers and self-taught developers who want to build a strong computer science foundation. No advanced mathematical background or prior algorithm experience is required. Start reading today to build your problem-solving toolkit and prepare for your next technical interview.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 36m 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
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Foundations of Algorithms, Data Structures, and Coding Interviews
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
Foundations of Algorithms, Data Structures, and Coding Interviews
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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