diff --git a/grader/assignments/array/assign.c b/grader/assignments/array/assign.c
index 80f77a76..714c861c 100644
--- a/grader/assignments/array/assign.c
+++ b/grader/assignments/array/assign.c
@@ -5,8 +5,8 @@ int main(int argc, char** argv) {
 
   arr[0] = 4;
   arr[1] = 8;
-  arr[2]= 14;
-  arr[3] = 16;
+  arr[1 * 2]= 14;
+  arr[*(arr + 1)  - 5] = 16;
 
   return *arr + *(arr + 1) + *(arr + 2) + *(arr + 3);
 }
diff --git a/grader/assignments/array/use.c b/grader/assignments/array/use.c
index 93ba552c..c8efd61d 100644
--- a/grader/assignments/array/use.c
+++ b/grader/assignments/array/use.c
@@ -8,5 +8,5 @@ int main(int argc, char** argv) {
   *(arr + 2) = 14;
   *(arr + 3) = 16;
 
-  return arr[0] + arr[1] + arr[2] + arr[3];
+  return arr[0] + arr[1] + arr[1 * 2] + arr[arr[0] - 1];
 }