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.
---
 .../lists_and_for/calculator_polish/common.py      | 70 ++++++++++++++++++++++
 .../problems/lists_and_for/calculator_polish/en.py | 16 +++++
 .../problems/lists_and_for/calculator_polish/sl.py | 61 +++++++++++++++++++
 3 files changed, 147 insertions(+)
 create mode 100644 python/problems/lists_and_for/calculator_polish/common.py
 create mode 100644 python/problems/lists_and_for/calculator_polish/en.py
 create mode 100644 python/problems/lists_and_for/calculator_polish/sl.py

(limited to 'python/problems/lists_and_for/calculator_polish')

diff --git a/python/problems/lists_and_for/calculator_polish/common.py b/python/problems/lists_and_for/calculator_polish/common.py
new file mode 100644
index 0000000..d08f19c
--- /dev/null
+++ b/python/problems/lists_and_for/calculator_polish/common.py
@@ -0,0 +1,70 @@
+# 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 = 224
+group = 'lists_and_for'
+number = 10
+visible = True
+
+solution = '''\
+operacije = ["*", "+", "-", "/", "%"]
+
+while True:
+    izraz = input("Izraz: ").split()
+    if not izraz:
+        break
+
+    sklad = []
+    for e in izraz:
+        sklad.append(e)
+        if sklad[-1] in operacije:
+            operacija = sklad.pop()
+            o2 = int(sklad.pop())
+            o1 = int(sklad.pop())
+            if operacija == "+":
+                rezultat = o1 + o2
+            elif operacija == "-":
+                rezultat = o1 - o2
+            elif operacija == "*":
+                rezultat = o1 * o2
+            elif operacija == "/":
+                rezultat = o1 // o2
+            elif operacija == "%":
+                rezultat = o1 % o2
+            sklad.append(rezultat)
+
+    print("Rezultat:", sklad[0])
+    print()
+'''
+
+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/lists_and_for/calculator_polish/en.py b/python/problems/lists_and_for/calculator_polish/en.py
new file mode 100644
index 0000000..f0618e8
--- /dev/null
+++ b/python/problems/lists_and_for/calculator_polish/en.py
@@ -0,0 +1,16 @@
+# coding=utf-8
+
+id = 224
+name = 'Reverse polish potation calculator'
+slug = 'Reverse polish potation calculator'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+    'plan': '''\
+<p>(translation missing)</p>''',
+
+    'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/lists_and_for/calculator_polish/sl.py b/python/problems/lists_and_for/calculator_polish/sl.py
new file mode 100644
index 0000000..b7ff8a1
--- /dev/null
+++ b/python/problems/lists_and_for/calculator_polish/sl.py
@@ -0,0 +1,61 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 224
+name = 'Kalkulator v inverzni poljski notaciji'
+slug = 'Kalkulator v inverzni poljski notaciji'
+
+
+description = '''\
+<p>
+V <a href="http://en.wikipedia.org/wiki/Reverse_Polish_notation">inverzni poljski ali postfiksni notaciji</a> ne potrebujemo oklepajev:
+računska operacija sledi številoma in se vedno izvede takoj ter zamenja predhodni števili in operacijo z rezultatom operacije.
+
+Poglejmo si računanje <code>(3 + 5) * 2 - 10 * (2 - 1)</code> ali postfiksno <code>3 5 + 2 * 10 2 1 - * -</code>:
+
+<ul>
+<li> Beremo vhod do prve operacije. </li>
+<li> <code>3 5 + </code>; izvede se seštevanje, tri elemente zamenja rezultat 8, beremo dalje. </li>
+<li> <code>8 2 * </code>; rezultat je 16, beremo dalje.</li>
+<li> <code>16 10 2 1 -</code>; rezultat 1, beremo dalje.</li>
+<li> <code>16 10 1 *</code>; rezultat 10, beremo dalje.</li>
+<li> <code>16 10 -</code>; rezultat 6, beremo dalje.</li>
+<li> <code>6</code>; vhoda je konec zato se se računanje ustavi.</li>
+</ul>
+Napišite kalkulator s celoštevilskimi operacijami seštevanja, odštevanja, množenja, deljenja in izračunom ostanka,
+ki prejme vhod v inverzni poljski notaciji. Ko uporabnik ne poda ničesar (pritisne le enter), naj se program zaključi.
+Števila ter operande ločujte s presledkom.
+<pre>
+Izraz: 3 5 +
+Rezultat: 8
+
+Izraz: 16 5 %
+Rezultat: 1
+
+Izraz: 16 5 /
+Rezultat: 3
+
+Izraz: 3 3 3 + +
+Rezultat: 9
+
+Izraz: 3 5 + 2 * 10 2 1 - * -
+Rezultat: 6
+
+Izraz:
+</pre>
+</p>'''
+
+plan = ['''\
+<p></p>
+''',
+        '''\
+<p></p>''']
+
+hint = {
+    'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}
-- 
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