Added mrange

.idea/AlgoDatSoSe25.iml

@@ -3,6 +3,7 @@
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.venv" />
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
     </content>
     <orderEntry type="jdk" jdkName="Python 3.12 (AlgoDatSoSe25)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />

praktika/01_big_o/max_folge.py

@@ -1,20 +1,20 @@
 from utils.memory_array import MemoryArray
-from utils.literal import Literal
 from utils.memory_cell import MemoryCell
 from utils.constants import MIN_VALUE
 from utils.memory_manager import MemoryManager
+from utils.memory_range import mrange
 
 def max_sequence_1(z: MemoryArray):
-    n = len(z)
+    n = z.length()
     m = MemoryCell(MIN_VALUE)
     s = MemoryCell()
     l = MemoryCell()
     r = MemoryCell()
-    for i in range(n):
+    for i in mrange(n):
-        for j in range(i, n):
+        for j in mrange(i, n):
             s.set(0)
-            for k in range(i, j):
+            for k in mrange(i, j):
-                s += z[Literal(k)]
+                s += z[k]
             if s > m:
                 m.set(s)
                 l.set(i)
@@ -22,11 +22,9 @@ def max_sequence_1(z: MemoryArray):
     return m, l, r
 
 
-def example(max_sequende_func):
+def example(max_sequence_func):
-    z = MemoryArray(Literal(10))
+    z = MemoryArray([-59, 52, 46, 14, -50, 58, -87, -77, 34, 15])
-    for i, v in enumerate([-59, 52, 46, 14, -50, 58, -87, -77, 34, 15]):
+    m, l, r = max_sequence_func(z)
-        z[Literal(i)] = Literal(v)
-    m, l, r = max_sequende_func(z)
     print(m, l, r)
 
 

utils/memory_array.py

@@ -6,7 +6,16 @@ from random import randint
 
 class MemoryArray:
 
-    def __init__(self, size):
+    def __init__(self, parm):
+        if isinstance(parm, Literal):
+            self.init_with_size(parm)
+        elif isinstance(parm, list):
+            self.size = len(parm)
+            self.cells = [MemoryCell(value) for value in parm]
+        else:
+            raise ValueError("Invalid parameter type")
+
+    def init_with_size(self, size):
         """Initialisiert ein Speicherarray mit einer bestimmten Größe."""
         assert isinstance(size, Literal), "Size must be a Literal or MemoryCell"
         assert isinstance(size.value, int), "Size must be an int"
@@ -45,6 +54,10 @@ class MemoryArray:
         """Gibt eine Liste der Indizes der Speicherzellen zurück."""
         return [Literal(i) for i in range(self.size)]
 
+    def length(self):
+        """Gibt die Größe des Speicherarrays zurück."""
+        return Literal(self.size)
+
     def reset_counters(self):
         """Setzt alle Zähler auf 0 zurück."""
         for cell in self.cells:
@@ -85,8 +98,8 @@ if __name__ == "__main__":
     for i in a.indices():
         a[i] = Literal(random.randint(1,100))
     print(a)
-    sum = MemoryCell(0)
+    s = MemoryCell(0)
     for cell in a.cells:
-        sum += cell
+        s += cell
-    print(sum)
+    print(s)
-    MemoryManager.print_statistics()
+    print(f"Anzahl der Additionen: {MemoryManager.count_adds()}")

utils/memory_manager.py

@@ -53,7 +53,7 @@ class MemoryManager:
     def reset():
         manager = MemoryManager.get_instance()
         for cell in manager.cells:
-            cell.reset_counters
+            cell.reset_counters()
 
     @staticmethod
     def purge():

utils/memory_range.py

@@ -0,0 +1,24 @@
+from utils.literal import Literal
+
+# a generator that yields items instead of returning a list
+def mrange(parm1, parm2=None, parm3=None):
+    if parm2 is None:
+        start = 0
+        stop = int(parm1)
+        step = 1
+    elif parm3 is None:
+        start = int(parm1)
+        stop = int(parm2)
+        step = 1
+    else:
+        start = int(parm1)
+        stop = int(parm2)
+        step = int(parm3)
+    num = start
+    while num < stop:
+        yield Literal(num)
+        num += step
+
+if __name__ == "__main__":
+    for l in mrange(10):
+        print(l)

utils/test_memory_array.py

@@ -22,27 +22,18 @@ class TestMemoryArray(TestCase):
 
     def test_get_item(self):
         l = random.randint(5,10)
-        size = Literal(l)
+        values = [random.randint(1,100) for _ in range(l)]
-        a = MemoryArray(size)
+        a = MemoryArray(values)
-        values = []
-        for i in a.indices():
-            v = Literal(random.randint(1,100))
-            values.append(v.value)
-            a[i] = v
         for pos, i in enumerate(a.indices()):
             self.assertEqual(a[i].value, values[pos])
 
     def test_reset_counters(self):
         l = random.randint(5,10)
-        size = Literal(l)
+        values = [random.randint(1,100) for _ in range(l)]
-        a = MemoryArray(size)
+        a = MemoryArray(values)
-        for i in a.indices():
-            v = Literal(random.randint(1,100))
-            a[i] = v
         for i in a.indices():
             self.assertEqual(a[i].write_count, 1)
         a.reset_counters()
-
         for i in a.indices():
             self.assertEqual(a[i].write_count, 0)