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Quick Summary

Process a sequential stream of query registrations and log analysis events.
Assign incremental IDs to queries and track their normalized word frequencies.
Match incoming logs against prior queries using case-insensitive, punctuation-free word count validation.

What This Tests

Text normalization and string parsing
Hash map usage for frequency counting
Inverted index construction for lookups
Stateful event processing

Common Patterns

Hashing

Test Cases

Input

Output

Expected