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author | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-10-18 16:26:00 +0200 |
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committer | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-10-18 16:26:00 +0200 |
commit | d0dd9cd28eec6007c2f80737a47895498b0ee9f7 (patch) | |
tree | 64c5f61d862de22609a70b9fb313e08dd236f4a0 /prolog/problems/world_data/flows_2 | |
parent | 64e1f9eb2e18910e4ecc7299c53868445d3ed9b1 (diff) |
Prolog: add more world_data exercises
Diffstat (limited to 'prolog/problems/world_data/flows_2')
-rw-r--r-- | prolog/problems/world_data/flows_2/common.py | 51 | ||||
-rw-r--r-- | prolog/problems/world_data/flows_2/en.py | 20 | ||||
-rw-r--r-- | prolog/problems/world_data/flows_2/sl.py | 34 |
3 files changed, 105 insertions, 0 deletions
diff --git a/prolog/problems/world_data/flows_2/common.py b/prolog/problems/world_data/flows_2/common.py new file mode 100644 index 0000000..a3cf79b --- /dev/null +++ b/prolog/problems/world_data/flows_2/common.py @@ -0,0 +1,51 @@ +from operator import itemgetter +import socket +import prolog.engine +import prolog.util +from server.hints import Hint +import server.problems + +id = 10009 +number = 90 +visible = True +facts = 'mondial' + +solution = '''\ +flows(River, Sea) :- + river(River, _, _, Sea, _, _, _, _, _, _, _, _), + Sea \= null. +flows(River, Sea) :- + river(River, River2, _, _, _, _, _, _, _, _, _, _), + River2 \= null, + flows(River2, Sea). +''' + +hint_type = { +} + +test_cases = [ + ("flows('Rhone', X)", [{'X': "'Mediterranean Sea'"}]), + ("flows(X, 'Java Sea')", [{'X': "'Mahakam'"}, {'X': "'Barito'"}]), + ("flows('Drau', X)", [{'X': "'Black Sea'"}]), +] + +def test(code, aux_code): + n_correct = 0 + engine_id = None + try: + engine_id, output = prolog.engine.create(code=code+aux_code, timeout=5.0) + 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=2.0, inference_limit=None): + 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)}}] + if n_correct == len(test_cases): + hints += [{'id': 'final_hint'}] + return n_correct, len(test_cases), hints diff --git a/prolog/problems/world_data/flows_2/en.py b/prolog/problems/world_data/flows_2/en.py new file mode 100644 index 0000000..f108001 --- /dev/null +++ b/prolog/problems/world_data/flows_2/en.py @@ -0,0 +1,20 @@ +name = 'flows/2' +slug = '' + +description = '''\ +<p><code>flows(X, Y)</code>: the river <code>X</code> flows to sea <code>Y</code>. +The predicate should follow the flow from <code>X</code> through different rivers +until it reaches a sea - for example, Drina flows into Save, which flows into Donau, +ending in the Black Sea:</p> +<pre> +?- flows('Drina', Y). + Y = 'Black Sea'. +</pre> +<p>River data is given by the predicate</p> +<pre> +river(Name, FlowsToRiver, FlowsToLake, FlowsToSea, Length, Area, + SourceLat, SourceLon, SourceElevation, MouthLat, MouthLon). +</pre> +''' + +hint = {} diff --git a/prolog/problems/world_data/flows_2/sl.py b/prolog/problems/world_data/flows_2/sl.py new file mode 100644 index 0000000..ef46f6b --- /dev/null +++ b/prolog/problems/world_data/flows_2/sl.py @@ -0,0 +1,34 @@ +name = 'flows/2' +slug = '' + +description = '''\ +<p><code>flows(X, Y)</code>: reka <code>X</code> se izliva v morje <code>Y</code>. +Predikat naj sledi toku skozi različne reke - Drina se npr. priključi Savi, +ki se priključi Donavi, ki teče v Črno morje, zato naj program odgovori tako:</p> +<pre> +?- flows('Drina', Y). + Y = 'Black Sea'. +</pre> +<p>Podatki o rekah so predstavljeni s predikatom</p> +<pre> +river(Name, FlowsToRiver, FlowsToLake, FlowsToSea, Length, Area, + SourceLat, SourceLon, SourceElevation, MouthLat, MouthLon). +</pre> +<p>Za vsako reko je podan največ en izmed argumentov <code>FlowsToRiver</code>, +<code>FlowsToLake</code> in <code>FlowsToSea</code>, ki pove, v katero reko, +jezero oziroma morje se izliva; ostala dva argumenta pa sta <code>null</code>. +''' + +plan = [ + '''\ +<p>Reke, ki se izlivajo neposredno v morje, lahko dobimo s poizvedbo:</p> +<pre> +?- river(River, _, _, Sea, _, _, _, _, _, _, _, _), Sea \= null. + River = 'Thjorsa', Sea = 'Atlantic Ocean' ; + River = 'Thames', Sea = 'North Sea' ; + … +</pre> +''', +] + +hint = {} |