Top K Frequent Elements | Heap vs Bucket Sort | FAANG Interview Problem
23:24
YouTubeThe Consistent Coder
Top K Frequent Elements | Heap vs Bucket Sort | FAANG Interview Problem
In this video, I explain how to solve the “Top K Frequent Elements” problem step by step using TWO different approaches. 🔹 Problem: Given an integer array, return the k most frequent elements. 🔹 Approach 1: Priority Queue (Max Heap) • Use a HashMap to count frequencies • Use a PriorityQueue with a custom comparator • Extract top ...
1 day ago
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