Redfin LeetCode Interview Questions
Practice 32 real coding problems frequently asked in Redfin technical interviews. Master these questions to ace your next Redfin software engineering interview.
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Redfin Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Largest Rectangle in Histogram 100% | HardH | Solve→ |
Can Place Flowers 96% | EasyE | Solve→ |
Basic Calculator II 95% | MediumM | Solve→ |
All O`one Data Structure 95% | HardH | Solve→ |
Top K Frequent Elements 90% | MediumM | Solve→ |
Group Shifted Strings 83% | MediumM | Solve→ |
Maximum Swap 78% | MediumM | Solve→ |
Invalid Transactions 70% | MediumM | Solve→ |
Check If N and Its Double Exist 69% | EasyE | Solve→ |
Recyclable and Low Fat Products 66% | EasyE | Solve→ |
Find Longest Self-Contained Substring 63% | HardH | Solve→ |
Ways to Make a Fair Array 62% | MediumM | Solve→ |
Combination Sum II 61% | MediumM | Solve→ |
Decode String 59% | MediumM | Solve→ |
Range Sum of BST 56% | EasyE | Solve→ |
Counting Bits 54% | EasyE | Solve→ |
Friends Of Appropriate Ages 51% | MediumM | Solve→ |
Find K Pairs with Smallest Sums 43% | MediumM | Solve→ |
Random Pick Index 42% | MediumM | Solve→ |
Find the Celebrity 41% | MediumM | Solve→ |
Koko Eating Bananas 40% | MediumM | Solve→ |
Make String a Subsequence Using Cyclic Increments 38% | MediumM | Solve→ |
Reverse Linked List 38% | EasyE | Solve→ |
Zero Array Transformation I 37% | MediumM | Solve→ |
Adding Spaces to a String 37% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Redfin ask in interviews?
Redfin commonly asks 32 coding problems in technical interviews, including Largest Rectangle in Histogram, Can Place Flowers, Basic Calculator II. The difficulty breakdown is 7 Easy, 20 Medium, and 5 Hard problems.
How should I prepare for a Redfin coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Redfin interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Redfin coding interviews?
Based on our data, Redfin interviews include 7 Easy (22%), 20 Medium (63%), and 5 Hard (16%) problems.
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