LRU Cache

Phone ScreenSnowflakeLast reported August 2025Low Frequency
Reported
1× across candidate reports
First seen
August 2025
Last reported
August 2025
Reported outcome
unknown

Problem Overview

Implement an LRU (Least Recently Used) Cache that supports two operations: get(key) — return the value of the key if it exists in the cache, otherwise return -1; and put(key, value) — insert or update the key-value pair. When the…

  • The rest of the problem statement — full requirements, constraints, and edge cases
  • Approach and trade-offs — what passing candidates did, and the mistakes that sink people
Unlock the full Snowflake catalog
Full problem statements, candidate-reported follow-ups, and walkthroughs — for every Snowflake question.
Unlock with Pro
Already a member? Sign in
Verified Source
Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.
Codex Fact-Checked
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
Is this helpful?