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Coding·60 minMembers

Movie History Friends I / II

Members only

Two related prompts over per-customer watch histories: Part I pairs customers whose last k movies match exactly (same order); Part II pairs customers sharing at least m of their last k watches in any ...

SWE
hashmap
set
string
medium
Frequency
Single report
Last asked
2026-01-28
Stage
phone-screen · onsite-coding

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