Abstract
We study the problem of cutting a number of pieces of the same length from n rolls of different lengths so that the remaining part of each utilized roll is either sufficiently short or sufficiently long. A piece is sufficiently short, if it is shorter than a pre-specified threshold value δ min, so that it can be thrown away as it cannot be used again for cutting future orders. And a piece is sufficiently long, if it is longer than a pre-specified threshold value δ max (with δ max > δ min), so that it can reasonably be expected to be usable for cutting future orders of almost any length. We show that this problem, faced by a curtaining wholesaler, is solvable in O(n log n) time by analyzing a non-trivial class of allocation problems.
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© 2005 Springer-Verlag Berlin Heidelberg
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Alfieri, A., van de Velde, S.L., Woeginger, G.J. (2005). Roll Cutting in the Curtain Industry. In: Brodal, G.S., Leonardi, S. (eds) Algorithms – ESA 2005. ESA 2005. Lecture Notes in Computer Science, vol 3669. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11561071_27
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DOI: https://doi.org/10.1007/11561071_27
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-29118-3
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