Make success messages shorter

More visible

main.cc

@@ -235,9 +235,9 @@ int main()
 
 	// Display DFS result
 	if (exitFound)
-		cout << "DFS succeeded to reach the target" << endl;
+		cout << "SUCCESS !" << endl;
 	else
-		cout << "FAILURE : DFS failed to reach target" << endl;
+		cout << "FAILURE ..." << endl;
 
 	return 0;
 }