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3 questions

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CodingMediumLeetCode 347
Top K Frequent Elements
Given an integer array and k, return the k most frequent elements — the core challenge is to count element frequencies and extract the top-k…
Companies: Amazon, Bloomberg, Google, Meta +9
Array · Bucket Sort · Counting · Divide and Conquer
Last reported Oct 2026
Open workspace
CodingMediumLeetCode 215
Kth Largest Element in an Array
Return the k-th largest element (by sorted order, not distinct) from an unsorted array. For inputs up to ~1e5 elements, solve it faster than full…
Companies: Bloomberg, LinkedIn, Meta, Salesforce +1
Array · Divide and Conquer · Heap (Priority Queue) · Quickselect
Last reported Sep 2026
Open workspace
CodingMediumLeetCode 973
K Closest Points to Origin

Interview questions by company and topic | SysRound

Given N points on the plane and an integer k, return the k points with the smallest Euclidean distance to the origin (order doesn't matter)…

Companies: Airbnb, Amazon, Asana, Meta

Array · Divide and Conquer · Geometry · Heap (Priority Queue)

Last reported Aug 2026