diff --git a/flags/algorithms_sort.c b/flags/algorithms_sort.c
index a0f9b28..a5af124 100644
--- a/flags/algorithms_sort.c
+++ b/flags/algorithms_sort.c
@@ -18,6 +18,7 @@ void	simple(t_stacks *piles)
 	int	len;
 
 	len = stack_a_len(piles);
+	piles->algo = 1;
 	insertion(piles, len);
 }
 
@@ -26,6 +27,7 @@ void	medium(t_stacks *piles)
 	t_tab	*buckets;
 	int		range;
 
+	piles->algo = 2;
 	range = range_bucket(piles->a);
 	buckets = get_tabs(piles->a, range);
 	bucket_algo(piles, buckets, range);
@@ -33,7 +35,8 @@ void	medium(t_stacks *piles)
 
 void	complex(t_stacks *piles)
 {
-	return ;
+	piles->algo = 3;
+	radix(piles);
 }
 
 void	adaptive(t_stacks *piles)
diff --git a/flags/flag.c b/flags/flag.c
index 31e0811..6ded21e 100644
--- a/flags/flag.c
+++ b/flags/flag.c
@@ -13,7 +13,80 @@
 #include "push_swap.h"
 #include "parsing.h"
 
-void	flags(int pos, char **argv, t_stacks *piles)
+static int	verif_arg(char *argv)
+{
+	int	i;
+
+	i = 0;
+	while (argv[i])
+	{
+		if (argv[i] == ' ')
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	calcul_mod(int argc, char **argv)
+{
+	int	mod;
+
+	if (verif_arg(argv[argc -1]))
+	{
+		if (ft_strncmp(argv[1], "--", 2) && ft_strncmp(argv[2], "--", 2))
+			mod = 2;
+		else if (ft_strncmp(argv[1], "--", 2) && !ft_strncmp(argv[2], "--", 2))
+			mod = 1;
+		else
+			mod = 0;
+	}
+	else
+	{
+		if (ft_strncmp(argv[1], "--", 2) && ft_strncmp(argv[2], "--", 2))
+			mod = 5;
+		else if (ft_strncmp(argv[1], "--", 2) && !ft_strncmp(argv[2], "--", 2))
+			mod = 4;
+		else
+			mod = 3;
+	}
+	return (mod);
+}
+
+int	pos_flag(char **argv, int mod)
+{
+	if (mod == 1 || mod == 4)
+	{
+		if (!ft_strncmp(argv[1], "--bench", 20))
+			return (1);
+	}
+	else if (mod == 2 || mod == 5)
+	{
+		if (!ft_strncmp(argv[1], "--bench", 20))
+			return (1);
+		else
+			return (2);
+	}
+	return (0);
+}
+
+int	pos_bench(char **argv, int mod)
+{
+	if (mod == 1 || mod == 4)
+	{
+		if (ft_strncmp(argv[1], "--bench", 20))
+			return (1);
+	}
+	else if (mod == 2 || mod == 5)
+	{
+		if (ft_strncmp(argv[1], "--bench", 20))
+			return (1);
+		else
+			return (2);
+	}
+	return (0);
+}
+
+void	flags(int pos, int pos_b, char **argv, t_stacks *piles)
 {
 	if (ft_strncmp(argv[pos], "--simple", 30) && pos > 0)
 		simple(piles);
@@ -25,4 +98,6 @@ void	flags(int pos, char **argv, t_stacks *piles)
 		adaptive(piles);
 	else
 		adaptive(piles);
+	if (pos_b > 0)
+		piles->bench = 1;
 }
diff --git a/headers/flags.h b/headers/flags.h
index 90130e2..fb50c17 100644
--- a/headers/flags.h
+++ b/headers/flags.h
@@ -17,6 +17,9 @@ void	simple(t_stacks *piles);
 void	medium(t_stacks *piles);
 void	complex(t_stacks *piles);
 void	adaptive(t_stacks *piles);
-void	flags(int pos, char **argv, t_stacks *piles);
+void	flags(int pos, int pos_b, char **argv, t_stacks *piles);
+int		pos_bench(char **argv, int mod);
+int		pos_flag(char **argv, int mod);
+int		calcul_mod(int argc, char **argv);
 
 #endif