| 1. | In this situation it would be identical to a merge sort.
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| 2. | In the extreme case, this variant works similar to merge sort.
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| 3. | Merge sort algorithms typically require a time approximately proportional to.
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| 4. | This is a standard sorting technique, not restricted to merge sort.
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| 5. | Suggested an alternative version of merge sort that uses constant additional space.
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| 6. | This is also described at Merge sort # Use with tape drives.
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| 7. | Merge sort comes very close to the lower bound on the number of comparisons.
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| 8. | Next it must extract two internal buffers for each level of the merge sort.
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| 9. | Unlike some ( efficient ) implementations of quicksort, merge sort is a stable sort.
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| 10. | An example merge sort is given above.
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