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author | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-03-17 14:19:45 +0100 |
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committer | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-03-17 14:19:45 +0100 |
commit | cf4e59c9d6bce337514fc7d77120baced0d6d7bc (patch) | |
tree | 33f7cd7d3ae9595ad548427f3a718f5918935e53 /prolog/problems/lists_advanced/count_3/common.py | |
parent | a9416de1d2bde1b2327928717d00d262160912af (diff) |
Prolog: split lists exercises into two groups
Diffstat (limited to 'prolog/problems/lists_advanced/count_3/common.py')
-rw-r--r-- | prolog/problems/lists_advanced/count_3/common.py | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/prolog/problems/lists_advanced/count_3/common.py b/prolog/problems/lists_advanced/count_3/common.py new file mode 100644 index 0000000..2953f06 --- /dev/null +++ b/prolog/problems/lists_advanced/count_3/common.py @@ -0,0 +1,54 @@ +# coding=utf-8 + +from operator import itemgetter +import prolog.engine +import server.problems + +id = 120 +number = 27 +visible = False +facts = None + +solution = '''\ +count(_, [], 0). +count(X, [X|T], N) :- + count(X, T, NT), + N is NT + 1. +count(X, [Y|T], NT) :- + X \== Y, + count(X, T, NT). +''' + +test_cases = [ + ('count(a, [], X)', + [{'X': '0'}]), + ('count(r, [a, r, b, c, r], X)', + [{'X': '2'}]), + ('count(l, [l, l, l, 1, 2, 3], X)', + [{'X': '3'}]), + ('count(z, [a, b, c, z, z], X)', + [{'X': '2'}]), +] + +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 [] |