Amazon and Meta ask this frequently. Amazon interviewers particularly want to see QuickSelect. Meta is often okay with the heap approach. The real test: do you know multiple approaches? The heap solution is . QuickSelect is average but worst case. Sorting is . Discuss trade-offs. This is a building block for "Top K Frequent Elements" and "K Closest Points to Origin," both of which are also frequently asked.
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$ curl repovive.com/roadmaps/maang-interview-prep/heaps-priority-queues/kth-largest-element-why-this-problem
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