lets say these are are a representation of max-heap 21 14 7 9 12 5 what do we get after one call of removemax. use . to separates the values Now what do we get after inserting 27 to the resulting heap . to separates the values

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Heap Sort

A Heap is a type of data structure that is built on trees. It's a binary tree that's virtually complete. Except for the very bottom level, all levels of the tree must be filled in a heap. The last (bottom) level should be filled from left to right. The heap data structure is used for the efficient implementation of priority queues.Heap can be of two types: