diff --git a/data_structures/binary_search_tree.cpp b/data_structures/binary_search_tree.cpp
index ebcf2754e..947bb53d8 100644
--- a/data_structures/binary_search_tree.cpp
+++ b/data_structures/binary_search_tree.cpp
@@ -145,28 +145,28 @@ int main() {
         std::cin >> ch;
         int x;
         switch (ch) {
-            case 1:
-                std::cout << "\nEnter the value to be Inserted : ";
-                std::cin >> x;
-                Insert(root, x);
-                break;
-            case 2:
-                std::cout << "\nEnter the value to be Deleted : ";
-                std::cin >> x;
-                Remove(root, root, x);
-                break;
-            case 3:
-                BFT(root);
-                break;
-            case 4:
-                Pre(root);
-                break;
-            case 5:
-                In(root);
-                break;
-            case 6:
-                Post(root);
-                break;
+        case 1:
+            std::cout << "\nEnter the value to be Inserted : ";
+            std::cin >> x;
+            Insert(root, x);
+            break;
+        case 2:
+            std::cout << "\nEnter the value to be Deleted : ";
+            std::cin >> x;
+            Remove(root, root, x);
+            break;
+        case 3:
+            BFT(root);
+            break;
+        case 4:
+            Pre(root);
+            break;
+        case 5:
+            In(root);
+            break;
+        case 6:
+            Post(root);
+            break;
         }
     } while (ch != 0);
 
diff --git a/data_structures/linkedlist_implentation_usingarray.cpp b/data_structures/linkedlist_implentation_usingarray.cpp
index 837d9f65b..75d400d72 100644
--- a/data_structures/linkedlist_implentation_usingarray.cpp
+++ b/data_structures/linkedlist_implentation_usingarray.cpp
@@ -87,26 +87,26 @@ int main() {
         std::cout << "Enter Your choice" << std::endl;
         std::cin >> z;
         switch (z) {
-            case 1:
-                std::cout << "Enter the number you want to enter" << std::endl;
-                std::cin >> x;
-                insertAtTheBeginning(x);
-                break;
-            case 2:
-                std::cout << "Enter the number you want to enter" << std::endl;
-                std::cin >> y;
-                insertAtTheEnd(y);
-                break;
-            case 3:
-                std::cout
-                    << "The linked list contains the following element in order"
-                    << std::endl;
-                display();
-                break;
-            case 4:
-                return 0;
-            default:
-                std::cout << "The entered choice is not correct" << std::endl;
+        case 1:
+            std::cout << "Enter the number you want to enter" << std::endl;
+            std::cin >> x;
+            insertAtTheBeginning(x);
+            break;
+        case 2:
+            std::cout << "Enter the number you want to enter" << std::endl;
+            std::cin >> y;
+            insertAtTheEnd(y);
+            break;
+        case 3:
+            std::cout
+                << "The linked list contains the following element in order"
+                << std::endl;
+            display();
+            break;
+        case 4:
+            return 0;
+        default:
+            std::cout << "The entered choice is not correct" << std::endl;
         }
     }