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# coding=utf-8
from operator import itemgetter
import prolog.engine
import server.problems
id = 126
number = 33
visible = False
facts = None
solution = '''\
del126(X, [X|T], T).
del126(X, [Y|T], [Y|L]) :-
del126(X, T, L).
permute126([], []).
permute126(L, [X|P]) :-
del126(X, L, L1),
permute126(L1, P).
is_sorted126([_]).
is_sorted126([H1,H2|T]) :-
H1 =< H2,
is_sorted126([H2|T]).
slowest_sort_ever(L, S) :-
permute126(L, S),
is_sorted126(S).
'''
test_cases = [
('slowest_sort_ever([], X)',
[{'X': '[]'}]),
('slowest_sort_ever([5, 3, 5, 1], X)',
[{'X': '[1, 3, 5, 5]'}]),
('slowest_sort_ever([2, 1, 5, 6], X)',
[{'X': '[1, 2, 5, 6]'}]),
('slowest_sort_ever([5, 4, 3, 2], X)',
[{'X': '[2, 3, 4, 5]'}]),
]
def test(code, aux_code):
n_correct = 0
engine_id = None
try:
engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0)
if engine_id is not None and 'error' not in map(itemgetter(0), output):
# Engine successfully created, and no syntax error in program.
for query, answers in test_cases:
if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0):
n_correct += 1
except socket.timeout:
pass
finally:
if engine_id:
prolog.engine.destroy(engine_id)
hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
return n_correct, len(test_cases), hints
def hint(code, aux_code):
# TODO
return []
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