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  1. countdown(1) :- write(1).
  2. countdown(N) :-
  3. write(N),
  4. M is N - 1,
  5. write(M).
Success #stdin #stdout 0.02s 68352KB
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stdin
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countdown(5).
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GNU Prolog 1.3.1
By Daniel Diaz
Copyright (C) 1999-2009 Daniel Diaz
54

yes
https://ideone.com/3iaYr
language:
Prolog (gprolog 1.4.5)
created:
14 years ago
visibility:
public

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