The answer
Because managing K discrete variables manually requires massive amounts of hardcoded logic, making it impossible to write dynamically for an unknown K.
Generalizing to Find the k-th Largest Element
Why can't we use the one-pass discrete variable method for K-th largest?
More FAQs in Generalizing to Find the k-th Largest Element
It is a generalized problem where you must find the element that would sit at the K-th position if the array were sorted in descending order.
A Min-Heap is a specialized tree-based data structure where the parent node is always smaller than its children, meaning the absolute smallest value is always at the top.
By maintaining a heap of size K and constantly removing the smallest element, you ensure only the K largest elements remain. The smallest of those (the root) is the K-th largest.
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