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Hands-on C# interview coding problems focused on production-shaped data, APIs, and edge cases.
Practice items tagged with Practical C# Coding.
Aggregates log entries into per-minute error counts with deterministic output.
Implements a safe in-memory paging helper with metadata and boundary handling.
Implements invoice total calculation with quantity, unit price, percentage discount, and rounding.
Implements chunking for batch processing without dropping final partial batches.
Implements comparison for simple semantic version strings with missing patch parts treated as zero.
Implements a word-frequency counter with normalization, punctuation handling, and stable ordering.