A set coverage problem

  • Authors:
  • Guo-Qiang Zhang;Licong Cui

  • Affiliations:
  • Department of Electrical Engineering and Computer Science, Case Western Reserve University, Cleveland, OH 44106, USA;Department of Electrical Engineering and Computer Science, Case Western Reserve University, Cleveland, OH 44106, USA

  • Venue:
  • Information Processing Letters
  • Year:
  • 2010

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Abstract

This paper shows that with B={1,2,...,n}, the smallest k such that(BxB)-{(j,j)|j@?B}=@?i=1k(C"ixD"i) is s(n), where s(n) is the smallest integer k such that n=