1 files changed, 34 insertions, 0 deletions
diff --git a/040.py b/040.py
new file mode 100644
index 0000000..6f20325
--- /dev/null
+++ b/040.py
@@ -0,0 +1,34 @@
+
+# liefert zurueck an welcher Stelle die x-stelligen Zahlen beginnen
+def begin(x):
+	stelle = 1
+	for i in range(1, x):
+		stelle += 9 * (10**(i-1)) * i
+	return stelle
+
+
+def stelle(pos):
+	n = 0
+	i = 0
+	# suche nach Anfang der x-stelligen Region in der pos liegt
+	while n <= pos:
+		i += 1
+		n = begin(i)
+
+	stellen = i-1
+	startpos = begin(stellen)
+	startvalue = 10**(stellen-1)
+	diff = pos - startpos
+	zahl = startvalue + diff/stellen
+	result = (zahl / (10**(stellen-(diff%stellen)-1))) % 10
+
+	return result
+
+
+product = 1
+
+for i in range(0, 7):
+	product *= stelle(10**i)
+
+print product
+