5)The Complete Heap & Priority Queue Roadmap: 7 Algorithms from Beginner to Expert (2026 Guide)
“Sorting takes O(N log N).” We all know that. But what if you don’t need everything sorted? What if you only care about the Top 10 users, or the Next urgent task? Sorting the whole dataset is a waste of resources. This is where the Heap (Priority Queue) shines. It allows us to extract the … Read more