•CODING INTERVIEW QUESTIONS
OpenAI Coding Interview Questions (DSA)
14 DSA problems sourced from real OpenAI interviews
OpenAI Coding Interview Questions
| Problem | Difficulty | Tags |
|---|---|---|
| Medium | ArrayBreadth-First SearchMatrix | |
| Design Memory Allocator | Medium | ArrayHash TableDesign |
| Design Authentication Manager | Medium | Hash TableLinked ListDesign |
| Design Excel Sum Formula | Hard | ArrayHash TableString |
| Design SQL | Medium | ArrayHash TableString |
| Flatten Nested List Iterator | Medium | StackTreeDepth-First Search |
| Time Based Key-Value Store | Medium | Hash TableStringBinary Search |
| Encode and Decode Strings | Medium | ArrayStringDesign |
| Largest Local Values in a Matrix | Easy | ArrayMatrix |
| Asteroid Collision | Medium | ArrayStackSimulation |
| Simplify Path | Medium | StringStack |
| IP to CIDR | Medium | StringBit Manipulation |
| Design Spreadsheet | Medium | ArrayHash TableString |
| Hard | ArrayTwo PointersDynamic Programming |
Difficulty Breakdown
Top Data Structures & Patterns
Frequently Asked Questions
What questions does OpenAI ask in coding interviews?
OpenAI coding interviews focus on Array, Binary Search, Bit Manipulation, Breadth-First Search, and other data structure problems. We compiled 14 questions from real OpenAI interviews. The most common topics are Array, Binary Search, Bit Manipulation, Breadth-First Search, Depth-First Search. Filter by topic to see what comes up most often.
How many OpenAI coding interview questions are there?
InterviewSkool has 14 OpenAI coding interview questions: 1 Easy, 11 Medium, and 2 Hard. Most OpenAI interviews focus on Medium-difficulty problems, so prioritize those in your prep.
How should I prepare for OpenAI 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 OpenAI coding interview questions free?
Yes. All 14 OpenAI 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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