diff --git a/bubblesort.hpp b/bubblesort.hpp
index 9eaef72..36a1a04 100644
--- a/bubblesort.hpp
+++ b/bubblesort.hpp
@@ -1,10 +1,15 @@
 template <class T>
-void bubblesort(T a[], size_t size) {
-  for (size_t i = size; i > 0; i--) 
+void bubblesort(T a[], int size) {
+  for (int i = o; i < size; i++)
+  { 
     for (size_t j = 0; j < i-1; j++)
-      if (a[j] > a[j+1]) {
+    {
+      if (a[j] > a[j+1]) 
+      {
         T t = a[j];
         a[j] = a[j+1];
         a[j+1]=t;
       }
+   }
+   }
 }  
diff --git a/test-executor.cpp b/test-executor.cpp
index bd2f346..0597237 100644
--- a/test-executor.cpp
+++ b/test-executor.cpp
@@ -53,7 +53,7 @@ void doTests(std::string sortname) {
 
 void cleanUp() {
   for (int i = MIN_POWER; i <= MAX_POWER; i++) {
-    for (int j = 0; j < TRIES; j++) {
+    for (int j = 0; j <= TRIES; j++) {
       delete[] dt[i][j];
     }
   }
@@ -71,6 +71,7 @@ int main(int argc, const char* argv[]) {
   doTests(sortname);
   
   cleanUp();
+  delay(100);
 
   return 0;
 }