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/max_2/common.py | 53 ++++++++++++++++++++++++++ prolog/problems/lists_advanced/max_2/en.py | 15 ++++++++ prolog/problems/lists_advanced/max_2/sl.py | 15 ++++++++ 3 files changed, 83 insertions(+) create mode 100644 prolog/problems/lists_advanced/max_2/common.py create mode 100644 prolog/problems/lists_advanced/max_2/en.py create mode 100644 prolog/problems/lists_advanced/max_2/sl.py (limited to 'prolog/problems/lists_advanced/max_2') diff --git a/prolog/problems/lists_advanced/max_2/common.py b/prolog/problems/lists_advanced/max_2/common.py new file mode 100644 index 0000000..92cf793 --- /dev/null +++ b/prolog/problems/lists_advanced/max_2/common.py @@ -0,0 +1,53 @@ +# coding=utf-8 + +from operator import itemgetter +import prolog.engine +import server.problems + +id = 109 +number = 16 +visible = False +facts = None + +solution = '''\ +max([X], X). +max([H|T], Max):- + max(T, Max1), + ( H > Max1, Max is H + ; + H =< Max1, Max is Max1 ). +''' + +test_cases = [ + ('max([15], X)', + [{'X': '15'}]), + ('max([22, 13, 81], X)', + [{'X': '81'}]), + ('max([42, 42, 42, 42], X)', + [{'X': '42'}]), + ('max([-22, -113, -41], X)', + [{'X': '-22'}]), +] + +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/max_2/en.py b/prolog/problems/lists_advanced/max_2/en.py new file mode 100644 index 0000000..c4bc7e2 --- /dev/null +++ b/prolog/problems/lists_advanced/max_2/en.py @@ -0,0 +1,15 @@ +# coding=utf-8 + +name = 'max/2' +slug = 'find the largest element in list' + +description = '''\ +

max(L, Max): Max is the largest value in the list L.

+
+?- max([5,4,1,6], M).
+  M = 6.
+?- max([3,2,2], M).
+  M = 3.
+
''' + +hint = {} diff --git a/prolog/problems/lists_advanced/max_2/sl.py b/prolog/problems/lists_advanced/max_2/sl.py new file mode 100644 index 0000000..7a0d07a --- /dev/null +++ b/prolog/problems/lists_advanced/max_2/sl.py @@ -0,0 +1,15 @@ +# coding=utf-8 + +name = 'max/2' +slug = 'Poišči največji element v danem seznamu' + +description = '''\ +

max(L, Max): Max je največji element v seznamu L.

+
+?- max([5,4,1,6], M).
+  M = 6.
+?- max([3,2,2], M).
+  M = 3.
+
''' + +hint = {} -- cgit v1.2.1