3,000,000 Queens in less than one minute

  • Authors:
  • Rok Sosic;Jun Gu

  • Affiliations:
  • -;-

  • Venue:
  • ACM SIGART Bulletin
  • Year:
  • 1991

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Abstract

The n - queens problem is a classical combinatorial search problem. In this paper we give a linear time algorithm for this problem. The algorithm is an extension of one of our previous local search algorithms [3, 4, 6]. On an IBM RS 6000 computer, this algorithm is capable of solving problems with 3,000,000 queens in approximately 55 seconds.