Skip to content

Tracks Drills Topics Technologies Tech stacks Skill areas

Tracks Drills Topics

Loading

Aporeon

Technical interview practice, from one developer to another.

About Privacy Terms

C# Practical Coding Problems

Test Thinking & Edge Cases

Version comparison, invoice totals, log redaction, batch chunking, and hidden-test reasoning.

4 drillsPractice one at a timeOrdered pathCoding problem

Recommended start

Version Compare

Implements comparison for simple semantic version strings with missing patch parts treated as zero.

Medium~25 minStep 1 of 4

Practice this drill Choose another

Search

4 of 4 shown

1Version CompareRecommended startImplements comparison for simple semantic version strings with missing patch parts treated as zero.Coding problemMedium~25 min.NETC#Practice 2Invoice TotalImplements invoice total calculation with quantity, unit price, percentage discount, and rounding.Coding problemMedium~25 min.NETC#Practice 3Redact Log DataImplements safe redaction of known sensitive keys in a dictionary before logging.Coding problemMedium~25 min.NETC#Practice 4Batch ChunkingImplements chunking for batch processing without dropping final partial batches.Coding problemEasy~15 min.NETC#Practice

Practice order

4 drillsOne at a time

1Version CompareUp next / Medium / ~25 min
2Invoice TotalMedium / ~25 min
3Redact Log DataMedium / ~25 min
4Batch ChunkingEasy / ~15 min