Coding interview questions

DE Shaw Coding Interview Questions (DSA)

The 14 DSA problems DE Shaw has asked most in the last six months, most-asked first. 14 of them have a full breakdown with diagrams and code. Tick them off as you go.

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14problems
14full breakdowns
29topics

By difficulty: Easy (2) · Medium (7) · Hard (5)

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Topics

968.Binary Tree Cameras
Full breakdownDynamic ProgrammingTreeDepth-First Search
1642.Furthest Building You Can Reach
Full breakdownArrayGreedyHeap (Priority Queue)
Medium▶ Mock
767.Reorganize String
Full breakdownHash TableStringGreedy
Medium▶ Mock
779.K-th Symbol in Grammar
Full breakdownMathBit ManipulationRecursion
Medium▶ Mock
424.Longest Repeating Character Replacement
Full breakdownHash TableStringSliding Window
Medium▶ Mock
239.Sliding Window Maximum
Full breakdownArrayQueueSliding Window
Hard+2▶ Mock
1293.Shortest Path in a Grid with Obstacles Elimination
Full breakdownArrayBreadth-First SearchMatrix
1004.Max Consecutive Ones III
Full breakdownArrayBinary SearchSliding Window
Medium▶ Mock
2062.Count Vowel Substrings of a String
Full breakdownHash TableString
696.Count Binary Substrings
Full breakdownTwo PointersString
871.Minimum Number of Refueling Stops
Full breakdownArrayDynamic ProgrammingGreedy
735.Asteroid Collision
Full breakdownArrayStackSimulation
Medium+1▶ Mock
295.Find Median from Data Stream
Full breakdownTwo PointersDesignSorting
Hard+6▶ Mock
2171.Removing Minimum Number of Magic Beans
Full breakdownArrayGreedySorting
Medium▶ Mock

Frequently Asked Questions

What questions does DE Shaw ask in coding interviews?

DE Shaw coding interviews focus on Array, Binary Search, Binary Tree, Bit Manipulation, and other data structure problems. We compiled 14 questions from real DE Shaw interviews. The most common topics are Array, Binary Search, Binary Tree, Bit Manipulation, Breadth-First Search. Filter by topic to see what comes up most often.

How many DE Shaw coding interview questions are there?

InterviewSkool has 14 DE Shaw coding interview questions: 2 Easy, 7 Medium, and 5 Hard. Most DE Shaw interviews focus on Medium-difficulty problems, so prioritize those in your prep.

How should I prepare for DE Shaw coding interviews?

Start with Medium difficulty problems. Group by topic (Array, Tree, DP) to build pattern recognition. Aim to solve 30 to 40 problems before your interview. Then practice under pressure with a mock interview.

Are DE Shaw coding interview questions free?

Yes. All 14 DE Shaw coding interview questions are free to browse with no sign-up required. You can filter by difficulty and topic tags. Start a mock interview with a free credit to practice under real pressure.

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