Matrix Manipulation: Setting Rows and Columns to Zero โ€” WalkSelf
โฑ 2h 36m ๐Ÿ“š 26 lessons ๐ŸŽง Audio version

Matrix Manipulation: Setting Rows and Columns to Zero

Learn to solve the classic zero-matrix transformation problem using efficient algorithms and modern data structures in your favorite programming language.

  • ๐Ÿ’ฌ AI instructor
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  • ๐Ÿ• Start anytime
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  • ๐ŸŒ In English
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About this course

Working with multi-dimensional arrays is a fundamental skill in software engineering, technical interviews, and data processing. This text-based course guides you through the logic of transforming a 2D matrix by setting entire rows and columns to zero whenever a zero element is detected. You will start with the basic concepts of matrix representation and progressively learn how to optimize your code from a naive approach to an in-place space-efficient solution. By reading and analyzing the step-by-step logic, you will build a deep understanding of spatial complexity and array manipulation. What you will learn: Understand the core mechanics of 2D arrays and matrix indexing; Analyze the naive approach and identify its performance bottlenecks; Apply tracking strategies using auxiliary arrays to manage row and column states; Optimize space complexity to achieve an in-place matrix transformation; Practice writing clean, modern code with proper type hints and memory efficiency; Trace algorithm execution step-by-step to debug complex state changes. The course begins with essential terminology and fundamental definitions of matrix traversal before moving into design patterns for space optimization. It then walks you through multiple implementation strategies, comparing their time and space trade-offs so you can write production-ready code. This course is designed for beginner to intermediate programmers and candidates preparing for technical coding interviews who want to master array-based algorithms. No advanced mathematical background is required. Start reading to master matrix transformations and write highly optimized code today.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
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  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    2h 36m 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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