diff --git a/srcs/bfs.c b/srcs/bfs.c
index cd6eea0..9825639 100644
--- a/srcs/bfs.c
+++ b/srcs/bfs.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/18 09:25:05 by tmaze             #+#    #+#             */
-/*   Updated: 2019/04/20 18:04:48 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/21 14:42:08 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -26,20 +26,24 @@ void	bfs_init(t_lmdata *data, t_bfs *tab)
 	}
 }
 
-int		is_in_queue(t_lmdata *data, t_bfs *tab, int node)
+void	bfs_add_to_queue(t_lmdata *data, t_bfs *tab, int node, int i)
 {
-	int	i;
+	int	j;
 
-	i = 0;
-	while (i < data->nb_nodes && tab[i].queue != node)
-		i++;
-	return (i < data->nb_nodes && tab[i].queue == node);
+	j = 0;
+	while (j < data->nb_nodes && tab[j].queue != -1
+			&& tab[j].queue != node)
+		j++;
+	if (j < data->nb_nodes && tab[j].queue == -1)
+	{
+		tab[j].queue = node;
+		tab[node].parent = tab[i].queue;
+	}
 }
 
 void	bfs(t_lmdata *data, t_bfs *tab, int s_ind, int e_ind)
 {
 	int		i;
-	int		j;
 	int		used;
 	t_ind	*it;
 
@@ -49,21 +53,15 @@ void	bfs(t_lmdata *data, t_bfs *tab, int s_ind, int e_ind)
 	while (i < data->nb_nodes && tab[i].queue != -1 && tab[e_ind].parent == -1)
 	{
 		tab[tab[i].queue].visited = 1;
-		used = (tab[tab[i].queue].old_visited && get_node_path(data->adj[tab[tab[i].queue].parent], tab[i].queue)->weight == 1);
+		used = (tab[tab[i].queue].old_visited
+				&& get_node_path(data->adj[tab[tab[i].queue].parent]
+								, tab[i].queue)->weight == 1);
 		it = data->adj[tab[i].queue];
 		while (it)
 		{
-			if (it->weight > 0 && !tab[it->index].visited && (!used || (used && it->weight == 2)))
-			{
-						j = 0;
-				while (j < data->nb_nodes && tab[j].queue != -1 && tab[j].queue != it->index)
-					j++;
-				if (j < data->nb_nodes && tab[j].queue == -1)
-				{
-					tab[j].queue = it->index;
-					tab[it->index].parent = tab[i].queue;
-				}
-			}
+			if (it->weight > 0 && !tab[it->index].visited
+				&& (!used || (used && it->weight == 2)))
+				bfs_add_to_queue(data, tab, it->index, i);
 			it = it->next;
 		}
 		i++;
diff --git a/srcs/edmonds_karp.c b/srcs/edmonds_karp.c
index e93cce4..1d885ff 100644
--- a/srcs/edmonds_karp.c
+++ b/srcs/edmonds_karp.c
@@ -6,43 +6,50 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/18 09:59:11 by tmaze             #+#    #+#             */
-/*   Updated: 2019/04/20 18:58:38 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/21 16:11:56 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "lem_in.h"
 
-t_ind	**resolve_paths(t_lmdata *data, int nb_paths, int s_ind, int e_ind)
+static void		go_upstream(t_lmdata *data, t_ind **path, int s_ind, t_ind *it)
+{
+	int		nb_nodes;
+	int		j;
+	t_ind	*it2;
+
+	nb_nodes = 1;
+	j = it->index;
+	while (j != s_ind)
+	{
+		lst_indadd(path, j);
+		nb_nodes++;
+		it2 = data->adj[j];
+		while (it2 && it2->weight != 2)
+			it2 = it2->next;
+		if (it2 && it2->weight == 2)
+			j = it2->index;
+	}
+	(*path)->weight = nb_nodes;
+}
+
+static t_ind	**resolve_paths(t_lmdata *data, int nb_paths, int s_ind
+								, int e_ind)
 {
 	t_ind	**ret;
 	t_ind	*it;
-	t_ind	*it2;
 	int		i;
-	int		j;
-	int		nb_nodes;
 
 	if ((ret = (t_ind**)ft_memalloc(sizeof(t_ind*) * (nb_paths + 1))) != NULL)
 	{
 		i = 0;
 		it = data->adj[e_ind];
-		j = e_ind;
 		while (it && i < nb_paths)
 		{
-			if (it->weight == 2 && (nb_nodes = 1))
+			if (it->weight == 2)
 			{
 				lst_indadd(&(ret[i]), e_ind);
-				j = it->index;
-				while (j != s_ind)
-				{
-					lst_indadd(&(ret[i]), j);
-					nb_nodes++;
-					it2 = data->adj[j];
-					while (it2 && it2->weight != 2)
-						it2 = it2->next;
-					if (it2 && it2->weight == 2)
-						j = it2->index;
-				}
-				ret[i]->weight = nb_nodes;
+				go_upstream(data, &(ret[i]), s_ind, it);
 				i++;
 			}
 			it = it->next;
@@ -51,86 +58,67 @@ t_ind	**resolve_paths(t_lmdata *data, int nb_paths, int s_ind, int e_ind)
 	return (ret);
 }
 
-void	print_paths(t_lmdata *data, t_ind **ret)
+static void		update_weights(t_lmdata *data, t_bfs *tab, int s_ind, int e_ind)
 {
 	int		i;
 	t_ind	*it;
 
-	i = 0;
-	ft_putstr("=== all paths ===\n");
-	while (ret[i])
+	i = e_ind;
+	while (i != s_ind)
 	{
-		it = ret[i];
-		while (it)
-		{
-			ft_printf("%s-> ", get_node(data, it->index)->name);
+		it = data->adj[i];
+		while (it && it->index != tab[i].parent)
 			it = it->next;
-		}
-		ft_putstr("\n\n");
-		i++;
+		if (it->index == tab[i].parent)
+			it->weight++;
+		it = data->adj[tab[i].parent];
+		while (it && it->index != i)
+			it = it->next;
+		if (it)
+			it->weight--;
+		it = data->adj[i];
+		while (it && it->weight == 1)
+			it = it->next;
+		tab[i].old_visited = (it && it->weight != 1);
+		i = tab[i].parent;
 	}
 }
 
-int		check_if_visited(t_lmdata *data, int node)
+static void		cmp_scores(t_ind ***ret, int *scores)
 {
-	t_ind	*it;
-
-	it = data->adj[node];
-	while (it)
+	if (ret[0] == NULL || scores[1] < scores[0])
 	{
-		if (it->weight != 1)
-			return (1);
-		it = it->next;
+		if (ret[0] != NULL)
+			tablst_inddel(ret[0]);
+		ret[0] = ret[1];
+		scores[0] = scores[1];
 	}
-	return (0);
+	else
+		tablst_inddel(ret[1]);
 }
 
-t_ind	**edmonds_karp(t_lmdata *data, int s_ind, int e_ind)
+t_ind			**edmonds_karp(t_lmdata *data, int s_ind, int e_ind)
 {
 	t_bfs	tab[data->nb_nodes];
 	t_ind	**ret[2];
-	t_ind	*it;
 	int		nb_paths;
 	int		scores[2];
 	int		i;
 
 	ret[0] = NULL;
 	scores[0] = 0;
-	i = 0;
 	nb_paths = 0;
+	i = 0;
 	while (i < data->nb_nodes)
 		tab[i++].old_visited = 0;
 	bfs(data, tab, s_ind, e_ind);
 	while (tab[e_ind].parent != -1)
 	{
 		nb_paths++;
-		i = e_ind;
-		while (i != s_ind)
-		{
-			it = data->adj[i];
-			while (it && it->index != tab[i].parent)
-				it = it->next;
-			if (it->index == tab[i].parent)
-				it->weight++;
-			it = data->adj[tab[i].parent];
-			while (it && it->index != i)
-				it = it->next;
-			if (it)
-				it->weight--;
-			tab[i].old_visited = check_if_visited(data, i);
-			i = tab[i].parent;
-		}
+		update_weights(data, tab, s_ind, e_ind);
 		ret[1] = resolve_paths(data, nb_paths, s_ind, e_ind);
 		scores[1] = get_score(data, ret[1], nb_paths);
-		if (ret[0] == NULL || scores[1] < scores[0])
-		{
-			if (ret[0] != NULL)
-				tablst_inddel(ret[0]);
-			ret[0] = ret[1];
-			scores[0] = scores[1];
-		}
-		else
-			tablst_inddel(ret[1]);
+		cmp_scores(ret, scores);
 		bfs(data, tab, s_ind, e_ind);
 	}
 	return (ret[0]);
diff --git a/srcs/push_ants.c b/srcs/push_ants.c
index 37c5b52..91b482b 100644
--- a/srcs/push_ants.c
+++ b/srcs/push_ants.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/06 11:37:56 by tmaze             #+#    #+#             */
-/*   Updated: 2019/04/20 19:05:32 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/21 16:14:45 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -78,11 +78,10 @@ int			push_ants(t_lmdata *data, t_ind **paths, int nb_paths)
 		while (++i < nb_paths)
 			if (paths[i]->weight > 0)
 			{
-				if (!add_ant(&ants, ant_c, i, paths))
+				if (!add_ant(&ants, ant_c++, i, paths))
 					del_ants(&ants);
 				if (!ants)
 					return (0);
-				ant_c++;
 			}
 		print_ants(data, &ants, paths);
 		i = -1;
diff --git a/srcs/score_utils.c b/srcs/score_utils.c
index 2def457..bb5c945 100644
--- a/srcs/score_utils.c
+++ b/srcs/score_utils.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/04/18 18:05:06 by tmaze             #+#    #+#             */
-/*   Updated: 2019/04/19 12:52:45 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/04/21 16:53:11 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -37,6 +37,36 @@ static int	get_nb_nodes(t_ind *lst)
 	return (i);
 }
 
+static int	get_min_score(t_ind **ret, int *scores)
+{
+	int	i;
+	int	min;
+
+	i = -1;
+	min = FT_INT_MAX;
+	while (ret[++i])
+		if (min > scores[i])
+			min = scores[i];
+	return (min);
+}
+
+static int	get_final_score(t_ind **ret, int *scores)
+{
+	int	i;
+	int	min;
+
+	i = -1;
+	min = 0;
+	while (ret[++i])
+	{
+		scores[i] = (ret[i]->weight > 0) * (get_nb_nodes(ret[i])
+											+ ret[i]->weight - 1);
+		if (min < scores[i])
+			min = scores[i];
+	}
+	return (min);
+}
+
 int			get_score(t_lmdata *data, t_ind **ret, int nb_paths)
 {
 	int	nbants;
@@ -44,46 +74,20 @@ int			get_score(t_lmdata *data, t_ind **ret, int nb_paths)
 	int	min;
 	int	scores[nb_paths];
 
-	if (nb_paths == 1)
+	nbants = data->nbants;
+	init_scores(ret, scores);
+	min = get_min_score(ret, scores);
+	while (nbants > 0 && (i = -1))
 	{
-		ret[0]->weight = data->nbants;
-		min = (ret[0]->weight > 0) * (get_nb_nodes(ret[0]) + ret[0]->weight - 1);
-	}
-	else
-	{
-		min = FT_INT_MAX;
-		i = -1;
-		nbants = data->nbants;
-		init_scores(ret, scores);
-		while (ret[++i])
-			if (min > scores[i])
-				min = scores[i];
-		while (nbants > 0 && !(i = 0))
-		{
-			while (i < nb_paths && nbants > 0)
+		while (++i < nb_paths && nbants > 0)
+			if (scores[i] == min)
 			{
-				if (scores[i] == min)
-				{
-					nbants--;
-					ret[i]->weight++;
-					scores[i] = (ret[i]->weight > 0) * (get_nb_nodes(ret[i]) + ret[i]->weight - 1);
-				}
-				i++;
+				nbants--;
+				ret[i]->weight++;
+				scores[i] = (ret[i]->weight > 0) * (get_nb_nodes(ret[i])
+													+ ret[i]->weight - 1);
 			}
-			i = -1;
-			min = FT_INT_MAX;
-			while (ret[++i])
-				if (min > scores[i])
-					min = scores[i];
-		}
-		i = -1;
-		min = 0;
-		while (ret[++i])
-		{
-			scores[i] = (ret[i]->weight > 0) * (get_nb_nodes(ret[i]) + ret[i]->weight - 1);
-			if (min < scores[i])
-				min = scores[i];
-		}
+		min = get_min_score(ret, scores);
 	}
-	return (min);
+	return (get_final_score(ret, scores));
 }