AMAZON Software Engineer takes my Interview @rite2riddhi​ | Summary and Q&A

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May 6, 2022
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Fraz
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AMAZON Software Engineer takes my Interview @rite2riddhi​

TL;DR

A mock interview illustrates a tricky problem-solving session for Amazon's SDE candidates.

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Key Insights

  • ❓ Mock interviews simulate real technical interviews, providing valuable experience and a chance to practice problem-solving under pressure.
  • 🈸 Practicing common algorithmic problems, such as those involving matrix manipulation, reveals the importance of understanding data structures and their applications.
  • 💭 Communication is critical during technical interviews, as clearly articulating thought processes can help interviewers guide candidates and clarify any confusion.
  • ❓ Encountering tricky variations of basic problems is common in interviews, highlighting the necessity of careful analysis and flexible problem-solving strategies.
  • 🥺 It's essential to account for edge cases or possible pitfalls when devising a solution, as overlooking these can lead to incorrect results or inefficient algorithms.
  • 👨‍💻 Feedback on code quality and structure is vital in a professional setting, reflecting on the need for writing production-ready code.
  • 🥺 Collaborating and seeking help during the problem-solving process can lead to better outcomes and innovative solutions.

Transcript

hi everyone so today i am going to be interviewed by an amazon sde so this will be exactly like your real amazon interview this is the difficulty level that you can expect sometimes and yeah i have already given the interview it was pretty well but the question was tricky i would not say it was difficult it was very basic question but it was tricky... Read More

Questions & Answers

Q: What is the main challenge presented in this mock interview?

The primary challenge is to solve a problem involving a binary matrix where the candidate must find the largest connected island of ones after altering at most one zero to a one. This requires understanding of both depth-first search (DFS) and optimal space management.

Q: How does the candidate propose to solve the island size problem?

The candidate suggests utilizing depth-first search (DFS) to explore each island, marking visited cells, and maintaining a map to count the sizes of distinct islands. A bridge could potentially be formed by changing a zero to a one, connecting two or more islands, which needs careful tracking to avoid counting the same island multiple times.

Q: What feedback did the interviewer provide regarding the coding approach?

The interviewer praised the candidate's coding and problem-solving abilities but suggested improving code readability through better variable naming and formatting. They also advised conducting dry runs with various test cases to ensure no edge cases are overlooked.

Q: How can the candidate improve their interview performance based on feedback?

The candidate can focus on clean coding practices, such as meaningful variable names and consistent formatting, to enhance code readability. Additionally, testing the code with edge cases beforehand could help ensure all scenarios are considered before final submission.

Summary & Key Takeaways

  • The content depicts a mock interview scenario for an Amazon Software Development Engineer position, focusing on problem-solving strategies typical in technical interviews.

  • The interview revolves around a grid-based problem where candidates need to manipulate binary data to maximize island size by changing at most one zero to a one.

  • Emphasis is placed on explaining the thought process, exploring different approaches, and addressing potential pitfalls in problem-solving, showcasing the importance of communication and clarity during interviews.

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