The Productive C# Podcast

Efficient Top K Algorithm in C# Using Built-In PriorityQueue


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πŸš€ Boost your .NET skills with this efficient algorithm tip! Want to find the Top K elements from a large dataset without sorting the entire thing?Let me show you how to use the built-in PriorityQueue in .NET to get it done with just O(N log K) complexity πŸ’‘It’s a simple but powerful trick: βœ… Use a MinHeap of size K βœ… Keep only the top K elements seen so far βœ… Achieve blazing-fast performance thanks to O(1) min peekπŸ“Ί I walk through the full solution (with modern C# code)If you found this helpful: πŸ” Share with your fellow devs πŸ‘₯ Subscribe for more practical .NET tips and software engineering content!
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The Productive C# PodcastBy Andrea Angella - Senior Software Engineering Manager, former Microsoft C# MVP

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