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from operator import itemgetter
import prolog.engine
import server.problems
id = 153
number = 20
visible = True
facts = None
solution = '''\
puzzle_abc(A, B, C) :-
A #= B + 2,
B #= 2 * C,
A+B+C #= 27,
[A,B,C] ins 0..inf,
labeling([], [A,B,C]).
'''
test_cases = [
('puzzle_abc(A, B, C)',
[{'A': '12', 'B': '10', 'C': '5'}]),
('setof(A/B/C, puzzle_abc(A, B, C), X)',
[{'X': '[12/10/5]'}]),
]
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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