Algorithms and Data Structures: Practical Foundations and Big-O Analysis — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Algorithms and Data Structures: Practical Foundations and Big-O Analysis

Build a solid foundation in computational thinking by understanding how to implement and analyze essential data structures, including lists, stacks, trees, and hash tables.

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About this course

Writing clean code is only half the battle; truly effective programming requires understanding how data is organized and processed. This course provides the foundational knowledge of algorithms and data structures needed to solve complex problems efficiently.By the end of this course, you will be able to select the correct data structure for a given task, evaluate the performance of various algorithms using Big-O notation, and confidently approach common coding challenges encountered in professional practice.What you'll learn:<ul><li>Learn the principles of computational complexity and Big-O notation for measuring algorithm efficiency.</li><li>Understand the core linear data structures, including arrays, linked lists, stacks, and queues.</li><li>Implement and analyze essential searching and sorting algorithms, such as binary search and merge sort.</li><li>Master non-linear structures like trees, heaps, and hash maps, and their practical uses.</li><li>Apply foundational data structure patterns used efficiently in modern programming language libraries.</li><li>Practice analyzing space and time trade-offs for various algorithmic solutions.</li></ul>The course begins by defining computational complexity and Big-O notation, then systematically moves through fundamental data structures and the most common algorithms used for searching and sorting data. Practical application exercises are provided throughout the material.This course is designed for absolute beginners to computer science or programmers who need a solid, practical review of core concepts. No prior knowledge of algorithms or advanced mathematics is required.Start building your expertise in efficient programming today.

What you'll get

  • 📜 Certificate of completion
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  • 📱 Phone or computer
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  • Short & focused
    3h 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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Certificate of Mastery
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Name Surname
has successfully demonstrated mastery of
Algorithms and Data Structures: Practical Foundations and Big-O Analysis
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
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1.9 hrs
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PickAClass — Name Surname
Algorithms and Data Structures: Practical Foundations and Big-O Analysis
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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
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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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