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LRU Cache + Thread-Safe Follow-up

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Implement an LRU cache, then extend to a thread-safe version. In post-reform loops this is often delivered as the AI-coding round: candidates outline the doubly-linked-list + hashmap design, let the i...

SWE
Infra Eng
data-structure
hashmap
linked-list
concurrency
threading
ai-tools
medium
Frequency
Medium
Last asked
2026-01-22
Stage
phone-screen · onsite-coding

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