fork download
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  1. road(durango,redville).
  2. road(redville,durango).
  3. road(redville,hardwick).
  4. road(hardwick,redville).
  5. road(hardwick,newton).
  6. road(newton,hardwick).
  7. road(newton,burr).
  8. road(burr,newton).
  9. road(newton,hallsburg).
  10. road(hallsburg,newton).
  11. road(newton,burlington).
  12. road(burlington,newton).
  13. road(hallsburg,burlington).
  14. road(burlington,hallsburg).
Success #stdin #stdout 0.02s 6204KB
comments (?)
stdin
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road(burr, First), road(First, Second), Second \= burr, format('~w can be visited in two hops from burr.\n', Second), fail
stdout
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Standard output is empty
https://ideone.com/sDHkv
language:
Prolog (swi 7.6.4)
created:
14 years ago
visibility:
public

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