diff --git a/builds/print.o b/builds/print.o
index fa902f2..67e90cc 100644
Binary files a/builds/print.o and b/builds/print.o differ
diff --git a/builds/push_swap.o b/builds/push_swap.o
index 7118121..145675d 100644
Binary files a/builds/push_swap.o and b/builds/push_swap.o differ
diff --git a/push_swap b/push_swap
index 3fbf108..9a1a1fd 100755
Binary files a/push_swap and b/push_swap differ
diff --git a/srcs/print.c b/srcs/print.c
index eebd0f8..8eb2226 100644
--- a/srcs/print.c
+++ b/srcs/print.c
@@ -86,7 +86,6 @@ void	print_flags(char **part, int flag)
 void	print_result(t_list *result, int flag)
 {
 	int		i;
-	int		j;
 	char	**part;
 
 	i = -1;
@@ -99,13 +98,7 @@ void	print_result(t_list *result, int flag)
 		print_flags(part, flag);
 		ft_putchar('\n');
 		result = result->next;
-		j = 0;
-		while (part[j] != NULL)
-		{
-			free(part[j]);
-			j++;
-		}
-		free(part);
+		ft_free_tab(part);
 	}
 	if (flag)
 		ft_putnbrendl(i);
diff --git a/srcs/push_swap.c b/srcs/push_swap.c
index 269e58a..e792059 100644
--- a/srcs/push_swap.c
+++ b/srcs/push_swap.c
@@ -1,5 +1,21 @@
 #include "push_swap.h"
 
+int	is_ordered(t_stack *list)
+{
+	int	cmp;
+
+	cmp = list->n;
+	while (list->next != NULL)
+	{
+		list = list->next;
+		ft_printf("n:%i cmp:%i\n", cmp, list->n);
+		if (list->n < cmp)
+			return (0);
+		cmp = list->n;
+	}
+	return (1);
+}
+
 int	check_flag(int *ac, char ***av)
 {
 	if (ft_strcmp((*av)[1], "-p") == 0)
@@ -55,6 +71,7 @@ t_stack	*init_stack(int ac, char **av)
 			i++;
 		while (--i >= 0)
 			list = fill_stack(list, split[i]);
+		ft_free_tab(split);
 	}
 	return (list);
 }
@@ -96,8 +113,11 @@ int	main(int ac, char **av)
 	flag = check_flag(&ac, &av);
 	a = init_stack(ac, av);
 	b = NULL;
-	solution = launch_algo(&a, &b, flag);
-	print_result(solution, flag);
+	if (is_ordered(a) == 1)
+	{
+		solution = launch_algo(&a, &b, flag);
+		print_result(solution, flag);
+	}
 	ps_stop(solution, 0);
 	return (0);
 }
diff --git a/tester.sh b/tester.sh
index 0e675b9..6411cfe 100644
--- a/tester.sh
+++ b/tester.sh
@@ -24,7 +24,7 @@ else
 	exit 0
 fi
 
-PRGM=push_swap	# path to program
+PRGM="push_swap"	# path to program
 # range of random numbers
 RANGE=$(($SIZE * 2))
 
@@ -33,7 +33,7 @@ LIST=($(shuf -i 0-$RANGE -n $SIZE))
 echo -e "${WHITE}test lancé avec la liste de nombres suivantes :${NC}"
 echo -e "${LIST[@]}"
 
-OUTPUT=`./$PRGM ${LIST[@]}`
+OUTPUT=$(./$PRGM ${LIST[@]})
 COUNT=$(echo "$OUTPUT" | wc -l)
 RESULT=$(echo "$OUTPUT" | ./checker ${LIST[@]})