Coding·45 minMembers

Event Stream Count in Time Range

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Stream of `(event_type, timestamp)` events with monotonically increasing timestamps. Implement `Receive(event_type, timestamp)` and `Count(event_type, start_time, end_time)` returning how many events ...

SWE

data-structure

binary-search

streaming

hashmap

medium

Frequency

Low

Last asked

2026-05-30

Stage

phone-screen

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