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https://github.com/DavidGailleton/42-Push_Swap.git
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finish my shit on medium
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113
algorithms/medium/move_pathb.c
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113
algorithms/medium/move_pathb.c
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* move_pathb.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mteriier <mteriier@student.42lyon.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2026/01/16 06:20:38 by mteriier #+# #+# */
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/* Updated: 2026/01/16 06:20:42 by mteriier ### ########lyon.fr */
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/* */
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/* ************************************************************************** */
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#include "medium_headers.h"
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#include "push_swap.h"
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static int path_to_end(t_stacks *stacks, int max_range, int range, char c)
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{
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t_stack *tmp;
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t_stack *start;
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int i;
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int first_pass;
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tmp = assign_stack(stacks, c);
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start = assign_stack(stacks, c);
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tmp = tmp->previous;
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i = 0;
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first_pass = 1;
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while (first_pass || tmp != start->previous)
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{
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first_pass = 0;
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if (in_range(tmp->value, max_range, range))
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tmp = start;
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tmp = tmp->previous;
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i++;
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}
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return (i);
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}
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static int path_to_start(t_stacks *stacks, int max_range, int range, char c)
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{
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t_stack *tmp;
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t_stack *start;
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int i;
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int first_pass;
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tmp = assign_stack(stacks, c);
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start = assign_stack(stacks, c);
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i = 0;
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first_pass = 1;
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while (first_pass || tmp != start)
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{
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first_pass = 0;
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if (in_range(tmp->value, max_range, range))
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{
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tmp = start->previous;
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}
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tmp = tmp->next;
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i++;
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}
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return (i);
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}
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int wich_path(t_stacks *stacks, int max_range, int range, char c)
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{
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int path_start;
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int path_end;
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path_start = path_to_start(stacks, max_range, range, c);
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path_end = path_to_end(stacks, max_range, range, c);
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if (path_start < path_end)
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return (1);
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return (0);
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}
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void normal_move_path(t_stacks *stacks, t_tab *one_preset, int range)
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{
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if (wich_path(stacks, one_preset->max_range, range, 'b'))
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{
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while (!in_range(stacks->b->value, one_preset->max_range, range))
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rb(stacks);
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}
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else
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{
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while (!in_range(stacks->b->value, one_preset->max_range, range))
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{
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rrb(stacks);
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}
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}
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}
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int get_pre_move_b(t_stacks *stacks, t_tab *one_preset, int range)
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{
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int i;
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t_stack *tmp;
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i = 0;
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tmp = assign_stack(stacks, 'b');
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if (wich_path(stacks, one_preset->max_range, range, 'b'))
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{
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while (!in_range(tmp->value, one_preset->max_range, range))
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{
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i++;
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tmp = tmp->next;
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}
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}
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else
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while (!in_range(tmp->value, one_preset->max_range, range))
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{
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i++;
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tmp = tmp->previous;
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}
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return (i);
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}
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