1 files changed, 96 insertions, 0 deletions
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..cb89a50
--- /dev/null
+++ b/python/problems/lists_and_for/calculator_polish/common.py
@@ -0,0 +1,96 @@
+# 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
+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):
+    in_out = [
+        (['6 3 +'], [9]),
+        (['6 3 -'], [3]),
+        (['6 3 /'], [2]),
+        (['7 3 /'], [2]),
+        (['6 3 *'], [18]),
+        (['6 3 %'], [0]),
+        (['1 2 +', '2 3 +', '1 2 3 4 5 * * * *'], [3, 5, 120]),
+        (['1 2 + 3 +'], [6]),
+        (['1 2 3 + +'], [6]),
+        (['1 2 + 3 4 + *'], [21]),
+        (['1 2 3 * 4 + +'], [11]),
+        (['3 5 + 2 * 10 2 1 - * -'], [6]),
+        (['11 22 33 * * 7 + 2 / 100 % 1 2 - -'], [97]),
+    ]
+
+    test_in = [(None, '\n'.join(s[0])+'\n') for s in in_out]
+    test_out = [s[1] for s in in_out]
+    # List of outputs: (expression result, stdout, stderr, exception).
+    answers = python(code=code, inputs=test_in, timeout=1.0)
+    outputs = [ans[1] for ans in answers]
+
+    n_correct = 0
+    tin = None
+    for i, (output, correct) in enumerate(zip(outputs, test_out)):
+        if all(string_almost_equal(output, c, prec=2) for c in correct):
+            n_correct += 1
+        else:
+            tin = test_in[i][1]
+            tout = correct
+
+    passed = n_correct == len(test_in)
+
+    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