94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* score_utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/04/18 18:05:06 by tmaze #+# #+# */
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/* Updated: 2019/04/30 07:05:10 by mndhlovu ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "lem_in.h"
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static void init_scores(t_ind **ret, int *scores)
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{
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int i;
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i = 0;
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while (ret[i])
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{
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scores[i] = ret[i]->weight;
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ret[i]->weight = 0;
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i++;
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}
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}
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static int get_nb_nodes(t_ind *lst)
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{
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t_ind *it;
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int i;
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i = 0;
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it = lst;
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while (it && (++i))
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it = it->next;
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return (i);
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}
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static int get_min_score(t_ind **ret, int *scores)
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{
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int i;
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int min;
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i = -1;
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min = FT_INT_MAX;
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while (ret[++i])
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if (min > scores[i])
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min = scores[i];
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return (min);
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}
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static int get_final_score(t_ind **ret, int *scores)
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{
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int i;
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int min;
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i = -1;
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min = 0;
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while (ret[++i])
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{
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scores[i] = (ret[i]->weight > 0) * (get_nb_nodes(ret[i])
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+ ret[i]->weight - 1);
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if (min < scores[i])
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min = scores[i];
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}
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return (min);
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}
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int get_score(t_lmdata *data, t_ind **ret, int nb_paths)
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{
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int nbants;
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int i;
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int min;
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int scores[nb_paths];
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nbants = data->nbants;
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init_scores(ret, scores);
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min = get_min_score(ret, scores);
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while (nbants > 0 && (i = -1))
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{
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while (++i < nb_paths && nbants > 0)
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if (scores[i] == min)
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{
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nbants--;
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ret[i]->weight++;
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scores[i] = (ret[i]->weight > 0) * (get_nb_nodes(ret[i])
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+ ret[i]->weight - 1);
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}
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min = get_min_score(ret, scores);
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}
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return (get_final_score(ret, scores));
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}
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