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Algorithm & Data Structure

Coding Interview Practical Package Targeting Both Domestic and International Markets

“There are many ways to solve problems, but why do we feel lost during interviews?” This lecture offers coding interview survival strategies directly from a current engineer working in Silicon Valley. Focusing on problems frequently encountered in real interviews, we'll guide you not just through simple solutions, but also how to articulate your thought process and how you'll be perceived from the interviewer's perspective. Designed for mid-level developers and above, the curriculum is optimized for real-world interviews. If you are preparing for coding tests and technical interviews, gain practical skills and confidence through this lecture.

(5.0) 8 reviews

150 learners

Level Beginner

Course period Unlimited

  • altoformula
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알고리즘
알고리즘
Python
Python
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알고리즘
알고리즘
Python
Python

Reviews from Early Learners

What you will gain after the course

  • Thought process training appealing to interviewers, not just finding answers

  • Concentrated attack on frequently appearing topics such as arrays, hash maps, trees, graphs, recursion, DP, etc.

  • Practice articulating thoughts in a real-world interview environment.

  • FAANG, Coupang, Toss, Karrot, Banksalad, etc. Technical Interview Common Points

Silicon Valley Engineer's Survival Strategy for Coding Interviews

  • Why do I feel lost in interviews even though I've studied algorithms a lot?

  • Can you solve problems, but find yourself unable to speak in front of an interviewer?

  • Do you understand time complexity but find it confusing when approaching actual problems?

  • Are you perhaps struggling with similar problems each time, but keep approaching them in different ways?

  • Have you ever been so flustered by just hearing a question in English that you lost track of the conversation?

  • Did you feel like you got the answer right but don't understand why you failed?


  • Have you ever tried training that shows your 'way of thinking'?

  • Did you prepare diligently, but always feel regretful after the interview ends?


Stop simply memorizing answers, now it's time to grasp the flow of thinking first.

The most important thing in coding interviews is not fancy tricks, but a deep understanding of the fundamentals.

Data structures, algorithms, and problem-solving approaches - when these fundamentals are solid, you won't waver no matter what problem comes your way.

If your foundation is weak, you'll quickly crumble when faced with unfamiliar problems, but if your basics are solid, you can logically work through any question.


Learn common problem types and solution strategies through practical examples.

  • What will you learn?

    • Core Patterns Frequently Appearing in Coding Interviews (Two Pointers, DFS/BFS, Heap, etc.)

    • A communication strategy that articulates the flow of thought

    • Time and Space Complexity Optimized Solution


  • Where is this helpful?

    • Big Tech (FAANG) and Domestic/International IT Company Technical Interviews

    • Preparing for a Career Transition

    • Developing the ability to apply algorithmic skills in real-world situations

  • Recommended For

    • I studied algorithms but always felt lost during interviews

    • Someone with intermediate or higher practical experience who is starting interview preparation again

    • Software engineer aiming for career transition/overseas employment in tech

📚 What You'll Learn

🧱Preparation for Basic Concepts

Frequently appearing concepts and problem-solving approaches are organized from the basics to prepare for coding interviews. You can also learn key English vocabulary and sentences that frequently appear in interviews.

🧠 Visual materials to aid understanding + Interview preparation with frequently asked questions

Easily understand and master core coding interview concepts with various illustrations.
Naturally learn problem-solving approaches and strategies through practical examples.

📌 Notes Before Taking the Course

Practice Environment

  • Operating System and Version (OS): Windows, macOS, Linux, Ubuntu

  • Tools Used: Visual Studio Code or Python-compatible environment

Learning Materials

  • PDF and all code examples provided

  • More sample problems and explanations will be added in the future (for now, only the basics have been organized).

Prerequisites and Important Notes

  • Basic Programming Language Knowledge

    • Experience with at least one of Python, Java, or C++

    • Understanding basic syntax including variables, conditionals, loops, and functions

  • This is a hands-on lecture

  • The problem difficulty is focused on beginner to intermediate levels


📘 Great to take together

lecture_intro (1)

Silicon Valley Engineers' Know-How Transfer!

  • Practice-oriented curriculum: Practical learning through real project cases.

  • Experienced Instructors: Learn from the know-how of top industry experts.

  • Acquiring Advanced Technical Capabilities: Mastering essential skills for career growth.

Recommended for
these people

Who is this course right for?

  • Developer facing a technical interview

  • Junior/Mid Developer (<5 yrs exp)

  • Knows theory but lacks practical sense

  • Those interested in FAANG and global tech companies

Need to know before starting?

  • Familiarity with at least one programming language (e.g., Python, Java, JS, etc.)

  • Someone able to handle basic syntax like for, if, and function definition without issues

  • Basic Mathematical Thinking Skills

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Reviews

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Answers

4.8

Rating

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Curriculum

All

43 lectures ∙ (4hr 15min)

Course Materials:

Lecture resources
Published: 
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Reviews

All

8 reviews

5.0

8 reviews

  • calculator님의 프로필 이미지
    calculator

    Reviews 85

    Average Rating 4.9

    5

    56% enrolled

    This clearly explains the intent behind coding interviews in the hiring process and the core essence of coding interviews. I will complete the entire course.

    • altoformula
      Instructor

      Hello, 든든한 꼬마, Thank you so much for leaving such a warm review 🙏 Understanding the intent and core principles of coding interviews is truly important, and I'm deeply rewarded as an instructor to know that this was well conveyed to you. I'm also very grateful that you're committed to completing the course. Nothing would make me happier than being a small guide for you during your learning journey. If you have any questions or encounter any difficulties, please feel free to ask anytime. Let's go all the way together! 🚀💛 Thank you once again for your warm encouragement. Have a wonderful day today :)

  • seungilbang7185님의 프로필 이미지
    seungilbang7185

    Reviews 8

    Average Rating 5.0

    5

    60% enrolled

    Good!

    • altoformula
      Instructor

      Hello Seung-il Bang, Thank you for taking the time to leave such a great review.

  • minpark님의 프로필 이미지
    minpark

    Reviews 3

    Average Rating 5.0

    5

    60% enrolled

    • altoformula
      Instructor

      Hello Mr. Park Min-jun, Thank you for taking the time to give us a good score.

  • tongnamuu3255님의 프로필 이미지
    tongnamuu3255

    Reviews 11

    Average Rating 5.0

    5

    51% enrolled

    I had an interview scheduled and felt overwhelmed when I started doing LeetCode again, but the lectures were very helpful for reviewing data structures and algorithms. Old memories are gradually coming back to me.

    • altoformula
      Instructor

      Hi Rorschach, Glad the lecture was helpful. I'll keep supplementing it to make it even more useful.

  • jameskim551232648님의 프로필 이미지
    jameskim551232648

    Reviews 2

    Average Rating 5.0

    5

    53% enrolled

    Honestly, I used to study coding with the mindset of "just work hard and it'll work out," but after taking this course, my thinking completely changed. I learned for the first time what "strategic preparation" really means. Interview problems that I couldn't grasp at all when studying from books alone now I have this sense of "ah, if they ask this way, I should solve it this way!" And what was really genuine was... They covered everything including overseas company interview processes, which gave me the confidence to think "maybe I should try it once too!" 😆

    • altoformula
      Instructor

      Hello Nallari Gongdaesaeng-nim, It's truly gratifying that you've gained confidence. Thank you for the good review and score.

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