heapify operation and parent-child relationship

Heapify operation is a procedure used to maintain or establish the heap property in a heap data structure. It rearranges elements in a way that the parent-child relationship is preserved. Parent-child relationship refers to the hierarchical connection between the elements of a tree-like data structure, such as a heap. In a heap, each parent node has one or more child nodes, and each child node has a parent node. The heapify operation ensures that the largest (or smallest, depending on the type of heap) element is at the root and the heap property is maintained by comparing and swapping elements between parent and child nodes.

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