diff --git a/.idea/discord.xml b/.idea/discord.xml
index 30bab2a..d8e9561 100644
--- a/.idea/discord.xml
+++ b/.idea/discord.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="DiscordProjectSettings">
-    <option name="show" value="ASK" />
+    <option name="show" value="PROJECT_FILES" />
     <option name="description" value="" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/Encryption/AdvancedEncryption.java b/src/Encryption/AdvancedEncryption.java
index 8fc9de7..ac21db3 100644
--- a/src/Encryption/AdvancedEncryption.java
+++ b/src/Encryption/AdvancedEncryption.java
@@ -62,6 +62,8 @@ public class AdvancedEncryption
         Assertions.assertEquals(input, plainText);
         long time = finish - start;
         System.out.println(time + " nanoseconds");
+        System.out.println(cipherText);
+        System.out.println(plainText);
     }
 
 }
diff --git a/src/FindPathsPls/FindPathsMatrixTest.java b/src/FindPathsPls/FindPathsMatrixTest.java
index 05611a2..7ce18ba 100644
--- a/src/FindPathsPls/FindPathsMatrixTest.java
+++ b/src/FindPathsPls/FindPathsMatrixTest.java
@@ -36,7 +36,7 @@ class FindPathsMatrixTest
     }
 
     @Test
-    void rxC()
+    void RowMultiplyColumn()
     {
         int[][] M1 =
             {
diff --git a/src/FindPathsPls/PathFinder.java b/src/FindPathsPls/PathFinder.java
index 9a31ea8..7ebe92b 100644
--- a/src/FindPathsPls/PathFinder.java
+++ b/src/FindPathsPls/PathFinder.java
@@ -120,5 +120,4 @@ public class PathFinder
     {
         return input.get(index);
     }
-
 }
diff --git a/src/ScuffedLinkedList/linkedlist.java b/src/ScuffedLinkedList/linkedlist.java
index 28c18d1..0096406 100644
--- a/src/ScuffedLinkedList/linkedlist.java
+++ b/src/ScuffedLinkedList/linkedlist.java
@@ -8,8 +8,7 @@ public class linkedlist
 
     linkedlist()
     {
-        size = -1;
-
+        size = 0;
     }
 
     linkedlist(int value)
@@ -17,7 +16,7 @@ public class linkedlist
         node inserted =new node(value);
         this.head = inserted;
         this.tail = inserted;
-        size = 0;
+        size = 1;
     }
 
 
@@ -27,19 +26,19 @@ public class linkedlist
         if(index == 0)
             return head;
 
-        else if(index == size)
+        else if(index == size-1)
             return tail;
 
 
-        else if(index > size/2 && size > 10)
+        else if(index > size/2)
         {
             node current = tail;
-            for(int count = size; count > index-2; count--)
+            for(int count = size-1; count > index; count--)
                 current = current.prev;
             return current;
         }
 
-        else if(index <= size/2 || size < 10)
+        else if(index <= size/2)
         {
             node current = head;
             for(int count = 0; count < index-1; count++)
@@ -117,4 +116,6 @@ public class linkedlist
         }
        size--;
     }
+    // Get factorial of number
+
 }
diff --git a/src/ScuffedLinkedList/node.java b/src/ScuffedLinkedList/node.java
index 3fcb9ab..a115028 100644
--- a/src/ScuffedLinkedList/node.java
+++ b/src/ScuffedLinkedList/node.java
@@ -30,9 +30,6 @@ public class node
     @Override
     public String toString()
     {
-        return String.valueOf(this.data);
+        return Integer.toString(data);
     }
-    
-    
-
 }
diff --git a/src/ScuffedLinkedList/sheet1DS.class b/src/ScuffedLinkedList/sheet1DS.class
new file mode 100644
index 0000000..888243a
Binary files /dev/null and b/src/ScuffedLinkedList/sheet1DS.class differ
diff --git a/src/ScuffedLinkedList/sheet1DS.java b/src/ScuffedLinkedList/sheet1DS.java
new file mode 100644
index 0000000..80a67d3
--- /dev/null
+++ b/src/ScuffedLinkedList/sheet1DS.java
@@ -0,0 +1,61 @@
+package ScuffedLinkedList;
+
+import java.util.Scanner;
+import java.util.Stack;
+
+public class sheet1DS
+{
+  public static String Grade(int score)
+  {
+    if(score >= 90)
+      return "A";
+    else if(score >= 80)
+      return "B";
+    else if(score >= 70)
+      return "C";
+    else if(score >= 60)
+      return "D";
+    else
+      return "F";
+  }
+  public static int factorial(int n)
+  {
+
+    if(n > 2)
+    return n * factorial(n-1); 
+    else
+      return 1;
+  }
+  public static void PassOrFail(int n)
+  {
+    int entered = 0,current,fail = 0,fullmark = 0;
+    Scanner input = new Scanner(System.in);
+    Stack<Integer> Students = new Stack<>();
+    while(entered <= n)
+    {
+      Students.push(input.nextInt());
+      entered++;
+    }
+    input.close();
+    while(!Students.isEmpty())
+    { 
+      current = Students.pop();
+      if(current < 50)
+        fail++;
+      if(current == 100)
+        fullmark++;
+    }
+    System.out.println("Failed " + fail);
+    System.out.println("Full Mark " + fullmark);
+
+  }
+
+  public static void main(String[] args)
+  {
+    System.out.println(factorial(4));
+    System.out.print(Grade(91));
+    PassOrFail(10);
+  }
+
+
+}