Find Company Tickers Mentioned in a News Headline
Company: SIG (Susquehanna)
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: easy
Interview Round: Onsite
Overview: Detect company names as consecutive whole-word sequences in a news headline and return their unique tickers in mapping order. This coding task evaluates ASCII tokenization, case folding, shared-prefix matching, repeated mentions, deterministic output, and scalable multi-pattern lookup.
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