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Quick Summary

Parse chronological log entries containing user IDs, actions, and timestamps.
Pair each sign-in with its immediately following sign-out for the same user.
Return unique user IDs that have at least one session duration within the limit.

What This Tests

Hash map usage for maintaining transient state
String splitting and field extraction
Sequential event pairing and validation
Set-based deduplication

Common Patterns

Hashing

Accepted

900/1.8k

Acceptance Rate50.5%

Test Cases

Input

logs =

maxTime =

Output

Expected