#code review

Review a compact GPT-style transformer implementation
ML designMercor
▲ 00 solutions
Find the bugs in a dictionary memoization cache under concurrency
CodingMercor
▲ 00 solutions
Review a CSV-building function for correctness and performance bugs
CodingMercor
▲ 00 solutions
Make a charge-then-record payment flow safe against crashes and retries
CodingMercor
▲ 00 solutions
Review a feature pipeline pull request, then serve features by freshness
ML designNetflix
▲ 00 solutions
Build a hash map, make it thread-safe, and review a producer-consumer queue
CodingMicrosoft
▲ 00 solutions
Find the bugs in an AI-generated URL shortener
CodingMicrosoft
▲ 00 solutions
Design a code review agent
AI systemMeta
▲ 00 solutions
Review a series of pull requests
CodingMediumAirbnbAnthropic
▲ 00 solutions
Debug a codebase then propose long-term fixes
CodingCursor
▲ 01 solution