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Time Based Key-Value Store | LeetCode 981

Time Based Key-Value Store | LeetCode 981

Subscribe for the full, step-by-step walkthroughs: https://www.youtube.com/@unrote Build a store where a key changes over time, and you can ask what it was at any moment in the past. LeetCode 981, explained from zero. The first move is realising a key cannot map to a value, because every write would destroy the history you are about to be asked ...

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