The original question didn't specify how the data would be available, so I'm just going to assume it fits in memory. Note that a heapsort only requires a constant amount of memory additional to the data to be sorted.

If the data doesn't fit in memory, then that's a different problem. One can always tie the used array to whatever solution will keep the data to be worked on out of memory.

Abigail

In reply to Re: Heap sorting in perl by Abigail-II
in thread Heap sorting in perl by blakem

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