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# coding=utf-8
from operator import itemgetter
import prolog.engine
import server.problems
id = 152
number = 58
visible = True
facts = None
solution = '''\
puzzle_momson(M, S) :-
M #= 10*A + B,
S #= 10*B + A,
[A,B] ins 1..9,
M + S #= 66,
M #> S,
labeling([], [M, S]).'''
test_cases = [
('puzzle_momson(M, S)',
[{'M': '42', 'S': '24'}]),
('puzzle_momson(M, S)',
[{'M': '51', 'S': '15'}]),
('setof(M/S, puzzle_momson(M, S), X)',
[{'X': '[42/24, 51/15]'}]),
]
def test(program, solved_problems):
code = (program + '\n' +
server.problems.solutions_for_problems('prolog', solved_problems))
n_correct = 0
engine_id = None
try:
engine_id, output = prolog.engine.create(code=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
finally:
if engine_id:
prolog.engine.destroy(engine_id)
passed = n_correct == len(test_cases)
hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
return passed, hints
def hint(program, solved_problems):
# TODO
return []
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