bottom-up reheapify
Bottom-up reheapify is a process used in binary heaps to restore the heap property efficiently after a decrease in a key (or value) of an element. It involves moving the element upwards through the heap until it reaches its correct position relative to other elements. This operation maintains the heap property, which states that a parent node is always greater (or smaller) than its children. By employing bottom-up reheapify, the element moves towards the root, swapping places with its parent until it is correctly positioned.
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