'Geldscheinprüfer' ändern

Geldscheinprüfer

@@ -1,8 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace ConsoleApplication9
 {
@@ -28,32 +24,18 @@ namespace ConsoleApplication9
 
             int positionszahl = (int)seriennummerChar[0] - 64;
             int q1 = QuerSumme(positionszahl);
-
-            Console.WriteLine(Convert.ToString(q1));
-
-            string snqs = new string(seriennummerChar);
-
-            Console.WriteLine(snqs + "\r\n");
-
-            int quersumme = 0;
-
-            Console.WriteLine(Convert.ToString(seriennummerChar[0] + "!!!! \r\n"));
-
-            for (int i = 0; i <= 10; i++)
-            {
-
-                Console.WriteLine(seriennummerChar[i] + "\r\n \r\n");
-
-                quersumme += Convert.ToInt32(seriennummerChar[i]);
-
-                Console.WriteLine(Convert.ToString(quersumme));
+            int q2 = 0;       
+            for (int i = 1; i <= 10; i++) {
+                Console.WriteLine(Convert.ToString(q2 + "\r\n"));
+                q2 += ((int)seriennummerChar[i]-48);
             }
+            int quersumme = (int)q1 + (int)q2;
 
-            //int subtrahend = (quersumme % 9);
-            //int result = 8 - subtrahend;
-            //if (result == 0) result = 9;
+            int subtrahend = (quersumme % 9);
+            int result = 8 - subtrahend;
+            if (result == 0) result = 9;
 
-            return positionszahl;
+            return result;
         }
     }