From 6a5d6fc44906734b35f5fcb70a447c5300bf26e5 Mon Sep 17 00:00:00 2001
From: Aleksander Sadikov <aleksander.sadikov@fri.uni-lj.si>
Date: Tue, 18 Oct 2016 02:11:35 +0200
Subject: Week2: grant/1 and landlocked2/1 exercises added.

---
 prolog/problems/world_data/grant_1/common.py       | 50 ++++++++++++++++++++++
 prolog/problems/world_data/grant_1/en.py           | 15 +++++++
 prolog/problems/world_data/grant_1/sl.py           | 15 +++++++
 prolog/problems/world_data/landlocked2_1/common.py | 48 +++++++++++++++++++++
 prolog/problems/world_data/landlocked2_1/en.py     | 12 ++++++
 prolog/problems/world_data/landlocked2_1/sl.py     | 12 ++++++
 6 files changed, 152 insertions(+)
 create mode 100644 prolog/problems/world_data/grant_1/common.py
 create mode 100644 prolog/problems/world_data/grant_1/en.py
 create mode 100644 prolog/problems/world_data/grant_1/sl.py
 create mode 100644 prolog/problems/world_data/landlocked2_1/common.py
 create mode 100644 prolog/problems/world_data/landlocked2_1/en.py
 create mode 100644 prolog/problems/world_data/landlocked2_1/sl.py

diff --git a/prolog/problems/world_data/grant_1/common.py b/prolog/problems/world_data/grant_1/common.py
new file mode 100644
index 0000000..aa016b0
--- /dev/null
+++ b/prolog/problems/world_data/grant_1/common.py
@@ -0,0 +1,50 @@
+from operator import itemgetter
+import socket
+import prolog.engine
+from server.hints import Hint
+import server.problems
+
+id = 12536
+number = 20
+visible = True
+facts = 'mondial'
+
+solution = '''\
+grant(Loc):-
+  (city(Loc, _, _, _, Lat, _, _)
+   ;
+   island(Loc, _, _, _, _, Lat, _)),
+  number(Lat),
+  Lat > -38,
+  Lat < -36.
+'''
+
+test_cases = [
+    ("grant(Loc)",
+        [{'Loc': "'Melbourne'"}, {'Loc': "'Auckland'"}, {'Loc': "'Hamilton'"}, {'Loc': "'Santa Rosa'"},
+         {'Loc': "'Concepción'"}, {'Loc': "'Talcahuano'"}, {'Loc': "'Tristan Da Cunha'"}]),
+    ("\+ grant('Ljubljana')",
+        [{}]),
+    ("grant('Tristan Da Cunha')",
+        [{}]),
+]
+
+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=1.0, 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)}}]
+    return n_correct, len(test_cases), hints
+
diff --git a/prolog/problems/world_data/grant_1/en.py b/prolog/problems/world_data/grant_1/en.py
new file mode 100644
index 0000000..20ad118
--- /dev/null
+++ b/prolog/problems/world_data/grant_1/en.py
@@ -0,0 +1,15 @@
+name = 'grant/1'
+slug = 'Otroka kapitana Granta'
+
+description = '''\
+<p>Otroka kapitana Granta, tako pravi Jules Verne, sta našla njegovo pismo v steklenici. Izgubil naj bi se v
+brodolomu nekje na morju. Vse kar vesta o njegovi lokaciji je, da leži na 37 poldnevniku južne širine. Povprašaj
+prolog v katerem mestu ali na katerem otoku se lahko nahaja, da ga rešimo. Privzemimo, da poiščemo vse
+lokacije med -36 in -38 stopinjami južne širine (minus ker je pod ekvatorjem).</p>
+<p><code>grant(Location)</code>: predikat eno po eno vrne vse lokacije <code>Location</code>, ki ustrezajo
+pogojem. <code>Location</code> predstavlja <em>ime</em> lokacije.</p>
+<p>Prav ti znajo priti podatki v obliki <code>city(Name, CountryCode, Province, Population, Latitude, Longitude,
+Elevation)</code> in <code>island(Name, Group, Area, Elevation, Type, Latitude, Longitude)</code>.</p>
+'''
+
+hint = {}
diff --git a/prolog/problems/world_data/grant_1/sl.py b/prolog/problems/world_data/grant_1/sl.py
new file mode 100644
index 0000000..20ad118
--- /dev/null
+++ b/prolog/problems/world_data/grant_1/sl.py
@@ -0,0 +1,15 @@
+name = 'grant/1'
+slug = 'Otroka kapitana Granta'
+
+description = '''\
+<p>Otroka kapitana Granta, tako pravi Jules Verne, sta našla njegovo pismo v steklenici. Izgubil naj bi se v
+brodolomu nekje na morju. Vse kar vesta o njegovi lokaciji je, da leži na 37 poldnevniku južne širine. Povprašaj
+prolog v katerem mestu ali na katerem otoku se lahko nahaja, da ga rešimo. Privzemimo, da poiščemo vse
+lokacije med -36 in -38 stopinjami južne širine (minus ker je pod ekvatorjem).</p>
+<p><code>grant(Location)</code>: predikat eno po eno vrne vse lokacije <code>Location</code>, ki ustrezajo
+pogojem. <code>Location</code> predstavlja <em>ime</em> lokacije.</p>
+<p>Prav ti znajo priti podatki v obliki <code>city(Name, CountryCode, Province, Population, Latitude, Longitude,
+Elevation)</code> in <code>island(Name, Group, Area, Elevation, Type, Latitude, Longitude)</code>.</p>
+'''
+
+hint = {}
diff --git a/prolog/problems/world_data/landlocked2_1/common.py b/prolog/problems/world_data/landlocked2_1/common.py
new file mode 100644
index 0000000..5c17886
--- /dev/null
+++ b/prolog/problems/world_data/landlocked2_1/common.py
@@ -0,0 +1,48 @@
+from operator import itemgetter
+import socket
+import prolog.engine
+from server.hints import Hint
+import server.problems
+
+id = 12539
+number = 39
+visible = True
+facts = 'mondial'
+
+solution = '''\
+landlocked2(Country):-
+  findall(CC, (country(_,CC,_,_,_,_), \+ geo_sea(_,CC,_)), LL),
+  member(C, LL),
+  \+ ( (borders(C,C1,_) ; borders(C1,C,_)),
+       \+ member(C1, LL) ),
+  country(Country,C,_,_,_,_).
+'''
+
+test_cases = [
+    ("landlocked2(Country)",
+        [{'Country': "'Liechtenstein'"}, {'Country': "'Uzbekistan'"}]),
+    ("\+ landlocked2('Slovenia')",
+        [{}]),
+    ("landlocked2('Uzbekistan')",
+        [{}]),
+]
+
+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=1.0, 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)}}]
+    return n_correct, len(test_cases), hints
+
diff --git a/prolog/problems/world_data/landlocked2_1/en.py b/prolog/problems/world_data/landlocked2_1/en.py
new file mode 100644
index 0000000..6d69382
--- /dev/null
+++ b/prolog/problems/world_data/landlocked2_1/en.py
@@ -0,0 +1,12 @@
+name = 'landlocked2/1'
+slug = 'poišči države brez morja, ki ne mejijo na države z morjem'
+
+description = '''\
+<p>Nekatere države nimajo morja. Spet druge države imajo še manj sreče -- ne samo, da nimajo morja,
+tudi ne mejijo na nobeno državo, ki bi morje imela. Po angleško takim državam rečemo "double landlocked".</p>
+<p><code>landlocked2(Country)</code>: predikat eno po eno vrne vse države, ki nimajo ne morja, ne sosede
+z morjem.</p>
+<p>Prav ti znajo priti podatki v obliki <code>geo_sea(Sea, CountryCode, Province)</code>.</p>
+'''
+
+hint = {}
diff --git a/prolog/problems/world_data/landlocked2_1/sl.py b/prolog/problems/world_data/landlocked2_1/sl.py
new file mode 100644
index 0000000..6d69382
--- /dev/null
+++ b/prolog/problems/world_data/landlocked2_1/sl.py
@@ -0,0 +1,12 @@
+name = 'landlocked2/1'
+slug = 'poišči države brez morja, ki ne mejijo na države z morjem'
+
+description = '''\
+<p>Nekatere države nimajo morja. Spet druge države imajo še manj sreče -- ne samo, da nimajo morja,
+tudi ne mejijo na nobeno državo, ki bi morje imela. Po angleško takim državam rečemo "double landlocked".</p>
+<p><code>landlocked2(Country)</code>: predikat eno po eno vrne vse države, ki nimajo ne morja, ne sosede
+z morjem.</p>
+<p>Prav ti znajo priti podatki v obliki <code>geo_sea(Sea, CountryCode, Province)</code>.</p>
+'''
+
+hint = {}
-- 
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