Dropbox LeetCode Interview Questions
Practice 39 real coding problems frequently asked in Dropbox technical interviews. Master these questions to ace your next Dropbox software engineering interview.
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Dropbox Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Linked List Cycle 100% | EasyE | Solve→ |
Kth Largest Element in an Array 86% | MediumM | Solve→ |
Binary Tree Zigzag Level Order Traversal 82% | MediumM | Solve→ |
Binary Tree Vertical Order Traversal 82% | MediumM | Solve→ |
Take Gifts From the Richest Pile 82% | EasyE | Solve→ |
Populating Next Right Pointers in Each Node 79% | MediumM | Solve→ |
K Inverse Pairs Array 79% | HardH | Solve→ |
Word Ladder II 78% | HardH | Solve→ |
Longest Repeating Character Replacement 78% | MediumM | Solve→ |
Maximum Nesting Depth of the Parentheses 76% | EasyE | Solve→ |
Word Pattern II 75% | MediumM | Solve→ |
Flatten Binary Tree to Linked List 73% | MediumM | Solve→ |
Max Stack 70% | HardH | Solve→ |
N-Queens 63% | HardH | Solve→ |
Group Anagrams 60% | MediumM | Solve→ |
Reverse Words in a String 60% | MediumM | Solve→ |
Remove Letter To Equalize Frequency 60% | EasyE | Solve→ |
Missing Ranges 60% | EasyE | Solve→ |
Trapping Rain Water 59% | HardH | Solve→ |
Longest Arithmetic Subsequence of Given Difference 57% | MediumM | Solve→ |
Accounts Merge 54% | MediumM | Solve→ |
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit 52% | MediumM | Solve→ |
Asteroid Collision 47% | MediumM | Solve→ |
Search a 2D Matrix 46% | MediumM | Solve→ |
K Closest Points to Origin 46% | MediumM | Solve→ |
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Valid Sudoku 41% | MediumM | Solve→ |
Minimum Area Rectangle 40% | MediumM | Solve→ |
Ways to Make a Fair Array 37% | MediumM | Solve→ |
Friends Of Appropriate Ages 36% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Tree III 34% | MediumM | Solve→ |
Add Two Integers 33% | EasyE | Solve→ |
Find K Closest Elements 30% | MediumM | Solve→ |
Roman to Integer 30% | EasyE | Solve→ |
Length of Last Word 29% | EasyE | Solve→ |
Implement Queue using Stacks 28% | EasyE | Solve→ |
Check Completeness of a Binary Tree 28% | MediumM | Solve→ |
Sort Colors 25% | MediumM | Solve→ |
Custom Sort String 24% | MediumM | Solve→ |
Squares of a Sorted Array 23% | EasyE | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Dropbox ask in interviews?
Dropbox commonly asks 39 coding problems in technical interviews, including Linked List Cycle, Kth Largest Element in an Array, Binary Tree Zigzag Level Order Traversal. The difficulty breakdown is 10 Easy, 24 Medium, and 5 Hard problems.
How should I prepare for a Dropbox coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Dropbox interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Dropbox coding interviews?
Based on our data, Dropbox interviews include 10 Easy (26%), 24 Medium (62%), and 5 Hard (13%) problems.
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