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from operator import itemgetter
import prolog.engine
import server.problems
id = 154
number = 40
visible = True
facts = None
solution = '''\
puzzle_ratio(A, B) :-
A #= 5*X,
B #= 4*X,
X #> 0,
A+3 #= 11*Y,
B+3 #= 9*Y,
Y #> 0,
A #< 200,
B #< 200,
labeling([], [A, B]).'''
test_cases = [
('puzzle_ratio(A, B)',
[{'A': '30', 'B': '24'}]),
('setof(A/B, puzzle_ratio(A, B), X)',
[{'X': '[30/24]'}]),
]
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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