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I'm an ex-Google interviewer. You're doing LeetCode wrong.

by Anthony D. Mays

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📚 Main Topics

  1. Common Mistakes in LeetCode Preparation

    • Memorizing problems instead of understanding patterns.
    • Rushing to find solutions without fully grasping the problem.
  2. The Interviewer's Perspective

    • Importance of demonstrating problem-solving skills.
    • Need for effective communication and thought processes during interviews.
  3. Asking Questions

    • The significance of asking clarifying questions during interviews.
    • Understanding that the interviewer is there to help, not to trick.
  4. Problem-Solving Approach

    • Focusing on patterns rather than memorization.
    • The value of brainstorming multiple solutions before implementation.
  5. The Role of Algorithms and Data Structures

    • How knowledge of algorithms and data structures aids in asking the right questions.
    • Filtering out unnecessary solutions based on the problem context.

✨ Key Takeaways

  • Memorization is IneffectiveInstead of memorizing specific problems, focus on understanding the underlying patterns that can be applied to various problems.
  • Demonstrate Your Thought ProcessInterviewers want to see how you approach problems, not just the final answer. Show your work and communicate your thought process.
  • Engage with the InterviewerDon’t hesitate to ask questions for clarification. This shows your engagement and willingness to understand the problem fully.
  • Be Prepared for VariabilityInterviews may not follow the exact format of LeetCode problems. Be ready to adapt and think critically about new problems.
  • Utilize Resources WiselyUse platforms like LeetCode and HackerRank to practice, but focus on learning how to ask the right questions and understand algorithms.

🧠 Lessons

  • Trust the ProcessGetting stuck is part of the learning process. Embrace challenges as opportunities to demonstrate your problem-solving abilities.
  • Communication is KeyEffective communication with your interviewer can significantly impact your performance. Be proactive in discussing your thought process and asking for guidance.
  • Practice Makes PerfectRegularly practice coding problems while focusing on understanding patterns and algorithms, rather than rote memorization.

In conclusion, Anthony D. Mays emphasizes the importance of a strategic approach to coding interviews, focusing on understanding and communication rather than mere memorization.

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