Acta Informatica

, Volume 6, Issue 4, pp 357–359

On a gauntlet thrown by David Gries


  • Edsger W. Dijkstra
    • Burroughs

DOI: 10.1007/BF00268136

Cite this article as:
Dijkstra, E.W. Acta Informatica (1976) 6: 357. doi:10.1007/BF00268136


It is requested to design a program that will generate the N! permutations of the values from 0 through N1 in such an order that the transition from one permutation to the next is always performed by exactly one swap of two neighbours.

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© Springer-Verlag 1976