Add constants

ex1/ex1.c

@@ -13,8 +13,10 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#define VALUES_LENGTH 8
+
 int main() {
-    int32_t values_length = 8;
+    int32_t values_length = VALUES_LENGTH;
     int32_t values[values_length];
 
     // Reading of the 8 input values.

ex2/ex2.c

@@ -14,6 +14,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
+#define VALUES_LENGTH 4
+
 // LinkedListNode.h
 
 typedef struct LinkedListNode {
@@ -255,7 +257,7 @@ void linked_list_remove_at_index(LinkedList *list, int32_t index) {
 }
 
 int main() {
-    int32_t values_length = 4;
+    int32_t values_length = VALUES_LENGTH;
     int32_t values[values_length];
 
     // Reading of the 4 input values to be added to the list.
@@ -278,7 +280,7 @@ int main() {
     LinkedList *list = linked_list_new();
 
     // Addition of the 4 numbers read as input in the list.
-    for (int32_t i = 4 - 1; i >= 0; i -= 1) {
+    for (int32_t i = values_length - 1; i >= 0; i -= 1) {
         linked_list_add_last(list, values[i]);
     }