Technical interview questions and drills

18 results across 1 active filter

Page 1 of 1

Showing the C# Practical Coding Problems curriculum. Technology tags describe each drill's actual implementation context; shared drills can belong to more than one track.

Coding problemMedium~25 min

Aggregate errors by minute

Aggregates log entries into per-minute error counts with deterministic output.

In C# Practical Coding ProblemsShared across 3 tracks

.NETC#

Coding problem

Drills

Aggregate errors by minute

Build a paged result from a list

Calculate invoice total with discounts

Chunk items for batch processing

Compare simplified dotted versions

Count normalized words in text

Deduplicate events by idempotency key

Find the first non-repeating character

Flatten a category tree to paths

Group orders by customer summary

Implement a simple fixed-window rate limiter

Implement a simple LRU cache

Merge overlapping time ranges

Parse a query filter string

Redact sensitive fields in log data

Retry an async operation with cancellation

Return the top K frequent values

Validate a date range request