1 files changed, 2 insertions, 2 deletions
diff --git a/snake.c b/snake.c
index b130b75..f82642b 100644
--- a/snake.c
+++ b/snake.c
@@ -48,7 +48,7 @@ int main(int argc, char **argv) {
 			return 0;
 		}
 		else if(strcmp("--help", argv[i]) == 0) {
-			printf("usage: snake3 [--version] [--help] [--size board_size] [--speed speed]\n");
+			printf("usage: snake3 [--version] [--help] [--size board_size] [--speed speed] [--obstacles obstacles]\n");
 			return 0;
 		}
 		else if(strcmp("--size", argv[i]) == 0 || strcmp("--speed", argv[i]) == 0 || strcmp("--obstacles", argv[i]) == 0) {
@@ -114,7 +114,7 @@ int main(int argc, char **argv) {
 	snakePositions.vectors[4] = init_vector(3, 3);
 	foodPos = init_vector(7, 9);
 	lastMoveDir = init_vector(0, 1);
-	int opc = (obstacleSize ^ 2) * obstacles;
+	int opc = (int)pow(obstacleSize, 2) * obstacles;
 	obstaclePositions = init_vectorp(malloc(opc * sizeof(vector_t)), opc);
 	srand(time(NULL));
 	/* place the obstacles */