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openai

130 interview questions available

Design a Slack-like real-time messaging system

Implement type AST and infer generics

Design a crossword puzzle solver system

Improve classifier with noisy multi-annotator labels

Design a sandboxed cloud IDE

Answer project deep dive and cross-functional questions

Design a distributed crossword fill solver

Implement a memory allocator with malloc/free

Design a RAG system with evaluation

Explain KV cache in Transformer inference