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Quick Summary
Extract a specific user's flight history from a mixed dataset of travel records.
Determine the user's exact location at a given timestamp using interval-based logic.
Handle edge cases including pre-departure, airborne status, and ground layovers.
What This Tests
Data filtering and grouping
Lexicographical string comparison for timestamps
Interval boundary condition handling
Linear scanning with sorted data
Common Patterns
Sorting
Hashing
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Accepted
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/98
Acceptance Rate
20.4%
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Python3
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Input
flights =
userId =
time =
Output
Expected
