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Basic

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703Kth Largest Element in a StreamHeap basics1046Last Stone WeightHeap basics506Relative RanksHeap basics973K Closest Points to OriginQuickselect215Kth Largest Element in an ArrayQuickselect692Top K Frequent WordsHeap + custom comparator621Task SchedulerGreedy (most-frequent-first)1094Car PoolingDifference Array (bucket by location)

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Advanced

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1834Single-Threaded CPUHeap + sort simulation767Reorganize StringHeap + greedy1642Furthest Building You Can ReachHeap + greedy2462Total Cost to Hire K WorkersTwo Heaps295Find Median from Data StreamTwo Heaps502IPOTwo Heaps

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