Searching Rotated Arrays with Modified Binary Search โ€” WalkSelf
โฑ 2h 48m ๐Ÿ“š 28 lessons ๐ŸŽง Audio version

Searching Rotated Arrays with Modified Binary Search

Master a classic algorithmic challenge by learning how to adapt binary search for rotated sorted arrays, complete with step-by-step written walkthroughs.

  • ๐Ÿ’ฌ AI instructor
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  • ๐Ÿ• Start anytime
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  • ๐ŸŒ In English
    Lessons, tasks and certificate โ€” all fully in your language.

About this course

Algorithmic interviews and coding challenges frequently feature rotated array problems that test your fundamental understanding of search efficiency. This text-only course teaches you how to transition from slow, brute-force searching to designing highly optimized, logarithmic-time solutions. What you'll learn: - Understand the core mechanics of standard binary search and how array rotation impacts search logic. - Identify sorted and unsorted halves of a rotated array using logical conditions. - Implement a modified binary search algorithm using clean, modern code and type hints. - Handle tricky edge cases confidently, including arrays containing duplicate elements. - Analyze time and space complexities using Big O notation to prove your solution's efficiency. - Practice verifying your search logic through written code walkthroughs and test scenarios. We begin by clarifying foundational array concepts and standard binary search before diving step-by-step into the modified logic required for rotated arrays. This course is designed for beginner programmers and aspiring software engineers looking to strengthen their technical problem-solving skills. Read through the explanations, study the code snippets, and master this essential algorithmic pattern.

What you'll get

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 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 48m 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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