Perform an External Merge Sort with a Heap

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Question

Perform an External Merge Sort with a Heap

PracHub · Accepted Answer

Implement external merge sort by splitting integers into memory-bounded sorted runs and merging them with a deterministic min-heap. Preserve duplicates, validate input, and explain how the in-memory simulation translates to temporary files and buffered readers.

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Perform an External Merge Sort with a Heap