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authorTimotej Lazar <timotej.lazar@fri.uni-lj.si>2016-03-17 14:19:45 +0100
committerTimotej Lazar <timotej.lazar@fri.uni-lj.si>2016-03-17 14:19:45 +0100
commitcf4e59c9d6bce337514fc7d77120baced0d6d7bc (patch)
tree33f7cd7d3ae9595ad548427f3a718f5918935e53 /prolog/problems/lists_advanced/max_2
parenta9416de1d2bde1b2327928717d00d262160912af (diff)
Prolog: split lists exercises into two groups
Diffstat (limited to 'prolog/problems/lists_advanced/max_2')
-rw-r--r--prolog/problems/lists_advanced/max_2/common.py53
-rw-r--r--prolog/problems/lists_advanced/max_2/en.py15
-rw-r--r--prolog/problems/lists_advanced/max_2/sl.py15
3 files changed, 83 insertions, 0 deletions
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 = '''\
+<p><code>max(L, Max)</code>: <code>Max</code> is the largest value in the list <code>L</code>.</p>
+<pre>
+?- max([5,4,1,6], M).
+ M = 6.
+?- max([3,2,2], M).
+ M = 3.
+</pre>'''
+
+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 = '''\
+<p><code>max(L, Max)</code>: <code>Max</code> je največji element v seznamu <code>L</code>.</p>
+<pre>
+?- max([5,4,1,6], M).
+ M = 6.
+?- max([3,2,2], M).
+ M = 3.
+</pre>'''
+
+hint = {}