Identify and prevent code-breaking inputs

Q: Identify and prevent code-breaking inputs

This question evaluates competency in input validation, defensive programming, error handling, and designing unit and property-based tests to ensure robustness against malformed, out-of-bounds, or conflicting inputs.

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Question

Identify inputs and scenarios that could break your implementation and explain how you would prevent them. Consider null or empty inputs, invalid directions or coordinates, out-of-bounds indices, integer overflows, malformed food lists, and duplicate or conflicting constraints. Propose an input-validation strategy, error-handling policy, and a set of unit and property-based tests to catch these cases early. Discuss the trade-offs between defensive checks and runtime performance in production code.

Identify and prevent code-breaking inputs

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