Nextdoor LeetCode Interview Questions
Practice 28 real coding problems frequently asked in Nextdoor technical interviews. Master these questions to ace your next Nextdoor software engineering interview.
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Nextdoor Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Add Two Integers 100% | EasyE | Solve→ |
4Sum 83% | MediumM | Solve→ |
Check Completeness of a Binary Tree 77% | MediumM | Solve→ |
Trips and Users 76% | HardH | Solve→ |
LRU Cache 75% | MediumM | Solve→ |
Copy List with Random Pointer 75% | MediumM | Solve→ |
Valid Palindrome III 75% | HardH | Solve→ |
Minimum Difference in Sums After Removal of Elements 73% | HardH | Solve→ |
K Inverse Pairs Array 70% | HardH | Solve→ |
House Robber 66% | MediumM | Solve→ |
Split Array Largest Sum 60% | HardH | Solve→ |
Permutation in String 58% | MediumM | Solve→ |
Maximum Number of Occurrences of a Substring 56% | MediumM | Solve→ |
Spiral Matrix 52% | MediumM | Solve→ |
Maximum Subarray 51% | MediumM | Solve→ |
Move Pieces to Obtain a String 51% | MediumM | Solve→ |
Flood Fill 48% | EasyE | Solve→ |
Sliding Window Maximum 44% | HardH | Solve→ |
Convert Binary Search Tree to Sorted Doubly Linked List 39% | MediumM | Solve→ |
Jump Game II 35% | MediumM | Solve→ |
Implement Queue using Stacks 31% | EasyE | Solve→ |
3Sum 30% | MediumM | Solve→ |
Subsets II 28% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Tree 27% | MediumM | Solve→ |
Majority Element 27% | EasyE | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Nextdoor ask in interviews?
Nextdoor commonly asks 28 coding problems in technical interviews, including Add Two Integers, 4Sum, Check Completeness of a Binary Tree. The difficulty breakdown is 5 Easy, 16 Medium, and 7 Hard problems.
How should I prepare for a Nextdoor coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Nextdoor interviews typically emphasize Array and Dynamic Programming. Practice explaining your thought process while coding.
What is the difficulty level of Nextdoor coding interviews?
Based on our data, Nextdoor interviews include 5 Easy (18%), 16 Medium (57%), and 7 Hard (25%) problems.
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