OpenAI Machine Learning Engineer Coding & Algorithms Interview Questions
Master your tech interview with our curated database of real questions from top companies.
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OpenAI
Medium
Machine Learning EngineerFind earliest supporting version under constraints
You are given version strings formatted as {major}.{minor}.{patch}, e.g., "103.003.03". Each version either supports a feature or not. You may call is...
Coding & Algorithms
1
0
Sep 6, 2025
OpenAI
Hard
Machine Learning EngineerCompute time to infect all cells
You are given an n × m grid representing people in a city. - Each cell is either infected (1) or healthy (0). - Two cells are neighbors if they share ...
Coding & Algorithms
0
0
Oct 24, 2025
OpenAI
Medium
Machine Learning EngineerFind earliest supporting dependency version
Question Given a list of dependency versions (e.g. [103.003.02, 103.003.03, 203.003.02]) and a black-box API isSupported(v), design an algorithm to fi...
Coding & Algorithms
0
0
Aug 4, 2025
OpenAI
Hard
Machine Learning EngineerImplement in-memory database insert and delete operations
Design and implement a simple in-memory database (key-value store) that supports the following operations: - insert(key, value): Insert a key-value pa...
Coding & Algorithms
0
0
Apr 6, 2025