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Is there any simple explanation of Frederickson's heap selection algorithm to find the k'th ranked element in O(k) time in a min-heap available anywhere online? If not, can anyone explain the gut of the algorithm?
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Try googling "frederickson heap select".
http://160592857366.free.fr/joe/ebooks/ShareData/An%20Optimal%20Algorithm%20for%20Selection%20in%20a%20Min-Heap.pdf