Kth Largest Element in an Array (LeetCode 215)
The problem You get an integer array and an integer . Return the kth largest…
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#top-k
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Kth Largest Element in a Stream (LeetCode 703)
The problem Design a class . It starts with the numbers in . Each call to adds…
K Closest Points to Origin (LeetCode 973)
The problem You get a list of points on a plane and an integer . Return the k…
Heaps / Top-K — Practice Problems
Eleven problems that drill heaps / top-K from Lesson 14. The one trick to burn…
Heaps / Top-K / Two Heaps
When you need the biggest or smallest few — but not a full sort — a heap is the…
Design Top-K / Trending
“Show me the 10 most-watched videos in the last hour.” “What are the top…