A lower bound on the average-case complexity of shellsort

  • Authors:
  • Tao Jiang;Ming Li;Paul Vitányi

  • Affiliations:
  • Univ. of California, Riverside;Univ. of California, Santa Barbara;CWI, Amsterdam, The Netherlands

  • Venue:
  • Journal of the ACM (JACM)
  • Year:
  • 2000

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Abstract

We demonstrate an &Ohgr;(pn1+1/p ) lower bound on the average-case running time (uniform distribution) of p-pass Shellsort. This is the first nontrivial general lower bound for average-case Shellsort.