On efficient weighted rectangle packing with large resources

  • Authors:
  • Aleksei V. Fishkin;Olga Gerber;Klaus Jansen

  • Affiliations:
  • University of Liverpool, Liverpool, UK;Institute of Computer Science, University of Kiel, Kiel, Germany;Institute of Computer Science, University of Kiel, Kiel, Germany

  • Venue:
  • ISAAC'05 Proceedings of the 16th international conference on Algorithms and Computation
  • Year:
  • 2005

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Abstract

We address the problem of packing of a set of n weighted rectangles into a single rectangle so that the total weight of the packed rectangles is maximized. We consider the case of large resources, that is, the single rectangle is ${\it \Omega}(1/\varepsilon^{3})$ times larger than any rectangle to be packed, for small ε0. We present an algorithm which finds a packing of a subset of rectangles with the total weight at least (1−ε) times the optimum. The running time of the algorithm is polynomial in n and 1/ε. As an application we present a (2+ε)-approximation algorithm for a special case of the advertisement placement problem.