Data structures - How to perform bottom-up construction of heaps? - Computer Science Stack Exchange - Bottom up heap construction
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The heap invariant is that each parent is smaller than both its children. In the heap construction algorithm you work bottom up, restoring the heap invariant. Definition A heap is a binary tree with keys at its nodes (one p y y. (key per node) such that: All rights reserved. Pseudopodia of bottom-up heap construction.