QUESTIONS BY COMPANY

Openai LeetCode Questions 2026

Browse LeetCode problems frequently asked by Openai. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 20 May 2026

ProblemDifficultyFrequencyTopics
Simplify PathMEDIUM
75%
StringStack
Design Excel Sum FormulaHARD
75%
ArrayHash TableStringGraph TheoryDesignTopological SortMatrix
Web Crawler MultithreadedMEDIUM
50%
Depth-First SearchBreadth-First SearchConcurrency
Design SQLMEDIUM
100%
ArrayHash TableStringDesign
Time Based Key-Value StoreMEDIUM
75%
Hash TableStringBinary SearchDesign
Flatten Nested List IteratorMEDIUM
87.5%
StackTreeDepth-First SearchDesignQueueIterator
Encode and Decode StringsMEDIUM
87.5%
ArrayStringDesign
Design Memory AllocatorMEDIUM
87.5%
ArrayHash TableDesignSimulation
Largest Local Values in a MatrixEASY
50%
ArrayMatrix
Asteroid CollisionMEDIUM
50%
ArrayStackSimulation
IP to CIDRMEDIUM
75%
StringBit Manipulation
Trapping Rain WaterHARD
50%
ArrayTwo PointersDynamic ProgrammingStackMonotonic Stack
Design SpreadsheetMEDIUM
50%
ArrayHash TableStringDesignMatrix
Rotting OrangesMEDIUM
75%
ArrayBreadth-First SearchMatrix
Design Hit CounterMEDIUM
50%
ArrayBinary SearchDesignQueueData Stream

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