Determine order of alien alphabet
Company: Citadel
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: hard
Interview Round: Technical Screen
Overview: This question evaluates the ability to infer ordering constraints among characters, model dependencies from ordered examples, and reason about edge cases in lexicographic sequences. Commonly asked in Coding & Algorithms interviews, it assesses both practical algorithmic implementation and conceptual understanding within the domains of string processing and graph-based ordering problems.