From cf4e59c9d6bce337514fc7d77120baced0d6d7bc Mon Sep 17 00:00:00 2001 From: Timotej Lazar Date: Thu, 17 Mar 2016 14:19:45 +0100 Subject: Prolog: split lists exercises into two groups --- prolog/problems/lists_advanced/len_2/common.py | 49 ++++++++++++++++++++++++++ prolog/problems/lists_advanced/len_2/en.py | 13 +++++++ prolog/problems/lists_advanced/len_2/sl.py | 13 +++++++ 3 files changed, 75 insertions(+) create mode 100644 prolog/problems/lists_advanced/len_2/common.py create mode 100644 prolog/problems/lists_advanced/len_2/en.py create mode 100644 prolog/problems/lists_advanced/len_2/sl.py (limited to 'prolog/problems/lists_advanced/len_2') diff --git a/prolog/problems/lists_advanced/len_2/common.py b/prolog/problems/lists_advanced/len_2/common.py new file mode 100644 index 0000000..93a1faa --- /dev/null +++ b/prolog/problems/lists_advanced/len_2/common.py @@ -0,0 +1,49 @@ +# coding=utf-8 + +from operator import itemgetter +import prolog.engine +import server.problems + +id = 119 +number = 26 +visible = False +facts = None + +solution = '''\ +len([], 0). +len([_|T], Len) :- + len(T, LenT), + Len is LenT + 1. +''' + +test_cases = [ + ('len([8, 3, 5, 1], X)', + [{'X': '4'}]), + ('len([2, -3, 5, 0, 3], X)', + [{'X': '5'}]), + ('len([], X)', + [{'X': '0'}]), +] + +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/len_2/en.py b/prolog/problems/lists_advanced/len_2/en.py new file mode 100644 index 0000000..3ca963e --- /dev/null +++ b/prolog/problems/lists_advanced/len_2/en.py @@ -0,0 +1,13 @@ +# coding=utf-8 + +name = 'len/2' +slug = 'find the length of a list' + +description = '''\ +

len(L, Len): Len is the length of the list L.

+
+?- len([1,2,3], Len).
+  Len = 3.
+
''' + +hint = {} diff --git a/prolog/problems/lists_advanced/len_2/sl.py b/prolog/problems/lists_advanced/len_2/sl.py new file mode 100644 index 0000000..0e98272 --- /dev/null +++ b/prolog/problems/lists_advanced/len_2/sl.py @@ -0,0 +1,13 @@ +# coding=utf-8 + +name = 'len/2' +slug = 'Izračunaj dolžino danega seznama' + +description = '''\ +

len(L, Len): Len je dolžina seznama L.

+
+?- len([1,2,3], Len).
+  Len = 3.
+
''' + +hint = {} -- cgit v1.2.1