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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/rev_2 | |
parent | a9416de1d2bde1b2327928717d00d262160912af (diff) |
Prolog: split lists exercises into two groups
Diffstat (limited to 'prolog/problems/lists_advanced/rev_2')
-rw-r--r-- | prolog/problems/lists_advanced/rev_2/common.py | 52 | ||||
-rw-r--r-- | prolog/problems/lists_advanced/rev_2/en.py | 15 | ||||
-rw-r--r-- | prolog/problems/lists_advanced/rev_2/sl.py | 15 |
3 files changed, 82 insertions, 0 deletions
diff --git a/prolog/problems/lists_advanced/rev_2/common.py b/prolog/problems/lists_advanced/rev_2/common.py new file mode 100644 index 0000000..408389a --- /dev/null +++ b/prolog/problems/lists_advanced/rev_2/common.py @@ -0,0 +1,52 @@ +# coding=utf-8 + +from operator import itemgetter +import prolog.engine +import server.problems + +id = 111 +number = 18 +visible = False +facts = None + +solution = '''\ +conc111([], L, L). +conc111([H|T], L2, [H|L]) :- + conc111(T, L2, L). +rev([], []). +rev([H|T], R):- + rev(T, R1), + conc111(R1, [H], R). +''' + +test_cases = [ + ('rev([], X)', + [{'X': '[]'}]), + ('rev([s, k, c, d, d], X)', + [{'X': '[d, d, c, k, s]'}]), + ('rev(X, [s, k, c, d, d])', + [{'X': '[d, d, c, k, s]'}]), +] + +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 [] diff --git a/prolog/problems/lists_advanced/rev_2/en.py b/prolog/problems/lists_advanced/rev_2/en.py new file mode 100644 index 0000000..3ae126e --- /dev/null +++ b/prolog/problems/lists_advanced/rev_2/en.py @@ -0,0 +1,15 @@ +# coding=utf-8 + +name = 'rev/2' +slug = 'reverse a list' + +description = '''\ +<p><code>rev(L1, L2)</code>: the list <code>L2</code> is obtained from <code>L1</code> by reversing the order of the elements.</p> +<pre> +?- rev([1,2,3], X). + X = [3,2,1]. +?- rev([], X). + X = []. +</pre>''' + +hint = {} diff --git a/prolog/problems/lists_advanced/rev_2/sl.py b/prolog/problems/lists_advanced/rev_2/sl.py new file mode 100644 index 0000000..ab58a1c --- /dev/null +++ b/prolog/problems/lists_advanced/rev_2/sl.py @@ -0,0 +1,15 @@ +# coding=utf-8 + +name = 'rev/2' +slug = 'Obrni seznam' + +description = '''\ +<p><code>rev(L1, L2)</code>: seznam <code>L2</code> ima elemente v obratnem vrstnem redu kot seznam <code>L1</code>.</p> +<pre> +?- rev([1,2,3], X). + X = [3,2,1]. +?- rev([], X). + X = []. +</pre>''' + +hint = {} |