From 84f3426c937d1bb9d44ba25a71706416fbb8b85d Mon Sep 17 00:00:00 2001
From: Martin <martin@leo.fri1.uni-lj.si>
Date: Fri, 9 Oct 2015 11:17:49 +0200
Subject: Added several new problems.

They have no tests nor hints implemented.
---
 .../problems/functions/friendly_numbers/common.py  | 53 ++++++++++++++++++++++
 python/problems/functions/friendly_numbers/en.py   | 16 +++++++
 python/problems/functions/friendly_numbers/sl.py   | 37 +++++++++++++++
 3 files changed, 106 insertions(+)
 create mode 100644 python/problems/functions/friendly_numbers/common.py
 create mode 100644 python/problems/functions/friendly_numbers/en.py
 create mode 100644 python/problems/functions/friendly_numbers/sl.py

(limited to 'python/problems/functions/friendly_numbers')

diff --git a/python/problems/functions/friendly_numbers/common.py b/python/problems/functions/friendly_numbers/common.py
new file mode 100644
index 0000000..415040e
--- /dev/null
+++ b/python/problems/functions/friendly_numbers/common.py
@@ -0,0 +1,53 @@
+# coding=utf-8
+
+import re
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+
+id = 233
+group = 'functions'
+number = 12
+visible = True
+
+solution = '''\
+def divisors_sum(n):
+    s = 0
+    for i in range(1, n):
+        if n % i == 0:
+            s += i
+    return s
+
+def friendly_number(n):
+    s = divisors_sum(n)
+    if n == divisors_sum(s):
+        return s
+'''
+
+hint_type = {
+    'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+    test_in = [1]
+    n_correct = 0
+
+    passed = n_correct == len(test_in)
+    tin = None
+    tout = None
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if tin:
+        hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+    exc = get_exception_desc(answer[0][3])
+    if exc: return exc
+
+    return None
diff --git a/python/problems/functions/friendly_numbers/en.py b/python/problems/functions/friendly_numbers/en.py
new file mode 100644
index 0000000..ba740ae
--- /dev/null
+++ b/python/problems/functions/friendly_numbers/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 233
+name = 'Friendly numbers'
+slug = 'Friendly numbers'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/functions/friendly_numbers/sl.py b/python/problems/functions/friendly_numbers/sl.py
new file mode 100644
index 0000000..d1c15ff
--- /dev/null
+++ b/python/problems/functions/friendly_numbers/sl.py
@@ -0,0 +1,37 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 233
+name = 'Prijateljska števila'
+slug = 'Prijateljska števila'
+
+
+description = '''\
+<p>
+220 in 284 sta prijateljski števili. Delitelji 220 so 1, 2, 4, 5, 10, 11, 20, 22, 44, 55 in 110.
+Če jih seštejemo, dobimo 284. Delitelji 284 pa so 1, 2, 4, 71 in 142. Vsota teh števil pa je 220.
+Napiši funkcijo <code>friendly_number(n)</code>, ki vrne prijateljsko število številu <code>n</code>, če ga ima, oz.
+vrne <code>None</code>, če ga nima. Primer:
+<pre>
+>>> friendly_number(220)
+284
+>>> friendly_number(222)
+None
+</pre>
+</p>
+<p> Uporabite funkcijo za vsoto deliteljev!</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
-- 
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