Big O Notation: Analyzing Algorithm Time and Space Complexity โ€” WalkSelf
โฑ 2h 30m ๐Ÿ“š 25 lessons

Big O Notation: Analyzing Algorithm Time and Space Complexity

Learn the foundational concepts of Big O notation to accurately measure the efficiency of algorithms and prepare for technical assessments.

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  • ๐Ÿ• Start anytime
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  • ๐ŸŒ In English
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About this course

Are you struggling to predict how your code will perform as data scales? Understanding algorithm efficiency is crucial for writing reliable, high-performing software. This course provides a complete, text-based guide to mastering Big O notation, enabling you to analyze any algorithm, identify performance bottlenecks, and confidently discuss complexity in professional settings. What you'll learn: * Understand the core mathematical definitions and rules governing Big O notation and asymptotic analysis. * Analyze the time complexity of single loops, nested loops, and conditional statements, including non-linear iteration patterns. * Practice calculating the space complexity (auxiliary space) required by various data structures and algorithms. * Apply Big O principles to common operations in fundamental data structures like arrays, lists, and hash maps. * Learn how to determine the complexity of algorithms involving recursion using recurrence relations. * Master the process of dropping constants and identifying the dominant term in complex equations. The course begins with foundational terminology and the mathematical basis of complexity analysis. We then move step-by-step through practical written examples, analyzing progressively complex code snippets and algorithmic structures. This course is designed for absolute beginners in computer science or programming who need a solid foundation in algorithm analysis. No prior knowledge of Big O notation or advanced mathematics is required. Start reading today and transform your understanding of code performance.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
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  • โ™พ๏ธ Lifetime access
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  • ๐Ÿ“ฑ Phone or computer
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  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 30m of practical content

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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 donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” 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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