Coding interviews can be a daunting experience for many aspiring tech professionals. However, proper preparation can help alleviate some of that anxiety. In this guide, we will navigate through essential coding interview questions, particularly focusing on those coveted by major tech companies such as FAANG (Facebook, Apple, Amazon, Netflix, and Google). Let’s roll up our sleeves and dive in!

Table of Contents

• FAANG Must Do Problems
• Amazon
• Microsoft
• Facebook
• Google Top 50
• Google
• LinkedIn
• Flipkart
• Netflix

FAANG Must Do Problems

Buckle up! Here are some of the must-do problems that will solidify your coding foundation:

• Two Sum
• Longest Substring Without Repeating Characters
• Longest Palindromic Substring
• Container With Most Water
• 3Sum

By tackling these questions, you’ll enhance your problem-solving abilities and familiarize yourself with common data structures and algorithms.

Amazon

Amazon interviews often include a range of programming questions. Here’s a list to get you started:

• Two Sum
• Add Two Numbers
• Median of Two Sorted Arrays

Microsoft

Microsoft’s interviews are known for emphasizing analytical thinking. Here are some problems you should practice:

• Two Sum
• 3Sum
• Valid Parentheses

Facebook

Facebook focuses on your coding skills and ability to think critically. Be prepared with these problems:

• Regular Expression Matching
• 3Sum
• Valid Parentheses

Google Top 50

Google’s interviews frequently introduce tricky problems. Here’s a selection of top 50 questions you may face:

• Two Sum
• Minimum Window Substring
• Maximal Rectangle

Google

Google still relies on an extensive range of algorithm-based questions:

• Two Sum
• Regular Expression Matching
• Valid Parentheses

LinkedIn

LinkedIn focuses on finding well-rounded candidates. Here are some problems to consider:

• Nested List Weight Sum II
• Closest Binary Search Tree Value II

Flipkart

Flipkart interviews emphasize logical reasoning and programming abilities:

• Add Two Numbers

Netflix

Netflix expects candidates to demonstrate both technical and analytical skills:

• LRU Cache
• Department Top Three Salaries

Troubleshooting Tips for Coding Interviews

Preparing for coding interviews can bring about its fair share of challenges. Here are some troubleshooting ideas you may find helpful:

• If you struggle to understand a problem, try rewriting it in plain language to clarify your thoughts.
• If you’re having difficulty coding while under pressure, practice timed coding tests to simulate the interview environment.
• If you frequently run into bugs, create a system for debugging your code; for example, use print statements to track variable values.
• Practice with mock interviews to improve your confidence and articulate your thought process during real interviews.

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Conclusion

Prepare well, practice diligently, and don’t forget to keep a positive mindset. Each problem you solve brings you one step closer to mastering coding interviews. Good luck on your journey!