Add unfinished ex4

ex4/ex4.c

@@ -5,9 +5,23 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
 
 int main() {
+    const int ARRAY_LENGTH = 2;
+    int points_size;
+    scanf("%d", &points_size);
+    int *array = malloc(sizeof(int) * ARRAY_LENGTH);
+
+    // Get the values
+    for (int i = 0; i < ARRAY_LENGTH; i++) {
+        int value;
+        scanf("%d", &value);
+        array[i] = value;
+    }
+
+    printf("%d \n", 0);
+
+    // Free the memory and exit the program
+    free(array);
     return EXIT_SUCCESS;
 }