prolog/problems/sorting/pivoting_4/common.py


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# coding=utf-8

id = 124
number = 31
visible = True
facts = None

solution = '''\
pivoting(_, [], [], []).
pivoting(P, [H|T], [H|S], G) :-
  H =< P,
  pivoting(P, T, S, G).
pivoting(P, [H|T], S, [H|G]) :-
  H > P,
  pivoting(P, T, S, G).
'''