Chainalysis LeetCode Interview Questions
Practice 23 real coding problems frequently asked in Chainalysis technical interviews. Master these questions to ace your next Chainalysis software engineering interview.
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Chainalysis Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Boundary of Binary Tree 100% | MediumM | Solve→ |
Dot Product of Two Sparse Vectors 83% | MediumM | Solve→ |
Decode String 82% | MediumM | Solve→ |
Koko Eating Bananas 81% | MediumM | Solve→ |
Nested List Weight Sum II 79% | MediumM | Solve→ |
Find the Index of the First Occurrence in a String 78% | EasyE | Solve→ |
Vertical Order Traversal of a Binary Tree 73% | HardH | Solve→ |
Reverse Integer 65% | MediumM | Solve→ |
Remove Duplicates from Sorted Array 59% | EasyE | Solve→ |
Same Tree 58% | EasyE | Solve→ |
Best Time to Buy and Sell Stock 57% | EasyE | Solve→ |
LFU Cache 57% | HardH | Solve→ |
Lowest Common Ancestor of a Binary Tree 52% | MediumM | Solve→ |
Number of Islands II 52% | HardH | Solve→ |
Take Gifts From the Richest Pile 51% | EasyE | Solve→ |
Valid Word Abbreviation 50% | EasyE | Solve→ |
Remove Stones to Minimize the Total 40% | MediumM | Solve→ |
Nested List Weight Sum 37% | MediumM | Solve→ |
Ransom Note 34% | EasyE | Solve→ |
Evaluate Division 26% | MediumM | Solve→ |
First Missing Positive 23% | HardH | Solve→ |
Shortest Palindrome 22% | HardH | Solve→ |
Trips and Users 22% | HardH | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Chainalysis ask in interviews?
Chainalysis commonly asks 23 coding problems in technical interviews, including Boundary of Binary Tree, Dot Product of Two Sparse Vectors, Decode String. The difficulty breakdown is 7 Easy, 10 Medium, and 6 Hard problems.
How should I prepare for a Chainalysis coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Chainalysis interviews typically emphasize Array and Depth-First Search. Practice explaining your thought process while coding.
What is the difficulty level of Chainalysis coding interviews?
Based on our data, Chainalysis interviews include 7 Easy (30%), 10 Medium (43%), and 6 Hard (26%) problems.
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