Clarify and Solve a Rotate-or-Flip Array Puzzle
Company: Amazon
Role: Software Engineer
Category: Software Engineering Fundamentals
Difficulty: medium
Interview Round: Online Assessment
Overview: Turn an underspecified rotate-or-flip array puzzle into a precise interview problem before solving it. Learn how operation scope, direction, distance, and cost change reachability and minimum-operation reasoning, then choose an algorithm that fits the clarified contract and input bounds.
