debut ecriture algo recursive pivot
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builds/algo.o
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builds/print.o
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builds/push.o
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162
srcs/algo.c
162
srcs/algo.c
@@ -1,48 +1,5 @@
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#include "push_swap.h"
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/*
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** n is the nbr of elements of the list that are competiting
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** position start at 0, ie position 3 is the 4th element
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*/
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int match(t_stack *a, int n, int *smaller)
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{
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int position;
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int i;
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*smaller = a->n;
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position = 0;
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i = 1;
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while (a->next && i < n)
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{
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a = a->next;
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if (a->n < *smaller)
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{
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*smaller = a->n;
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position = i;
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}
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i++;
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}
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return (position);
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}
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void nb_to_top(t_stack **a, t_list *solution, int i)
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{
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int n;
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if (!i)
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return ;
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n = i;
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while (--n)
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ra(a, &solution);
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n = i;
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sa(a, &solution);
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while (--n)
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{
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rra(a, &solution);
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sa(a, &solution);
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}
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}
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int last_element(t_stack *a)
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{
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while (a->next)
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@@ -50,37 +7,104 @@ int last_element(t_stack *a)
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return (a->n);
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}
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void push_to_b(t_stack **a, t_stack **b, t_list *solution, int position)
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void recursive(t_stack **a, t_stack **b, t_list *solution, int last)
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{
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int i;
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i = position;
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while (i--)
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ra(a, &solution);
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pb(b, a, &solution);
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while (++i < position)
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rra(a, &solution);
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}
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/*
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** so far it's bullshit :p
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*/
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void hugo_sort(t_stack **a, t_stack **b, t_list *solution)
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{
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int last;
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int position;
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int value;
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last = last_element(*a);
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while ((*a)->n != last)
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if (sublist_size(last, *a) > 5)
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pivot_a_to_b(a, b, solution, last);
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else
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{
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position = match(*a, 4, &value);
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if (!(*b) || value > (*b)->n)
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push_to_b(a, b, solution, position);
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sort_sublist_a(a, b, solution, last);
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if (sublist_size(last, *b) < 5)
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send_sublist_to_a(a, b, solution, last);
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else
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ra(a, &solution);
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pivot_b_to_a(a, b, solution, last);
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}
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}
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void hugo_sort(t_stack **a, t_stack **b, t_list *solution)
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{
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(void)solution;
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(void)b;
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int last;
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last = last_element(*a);
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recursive(*a, *b, solution, last);
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}
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// /*
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// ** n is the nbr of elements of the list that are competiting
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// ** position start at 0, ie position 3 is the 4th element
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// */
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// int match(t_stack *a, int n, int *smaller)
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// {
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// int position;
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// int i;
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//
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// *smaller = a->n;
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// position = 0;
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// i = 1;
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// while (a->next && i < n)
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// {
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// a = a->next;
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// if (a->n < *smaller)
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// {
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// *smaller = a->n;
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// position = i;
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// }
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// i++;
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// }
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// return (position);
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// }
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//
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// void nb_to_top(t_stack **a, t_list *solution, int i)
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// {
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// int n;
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//
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// if (!i)
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// return ;
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// n = i;
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// while (--n)
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// ra(a, &solution);
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// n = i;
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// sa(a, &solution);
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// while (--n)
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// {
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// rra(a, &solution);
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// sa(a, &solution);
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// }
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// }
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//
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// void push_to_b(t_stack **a, t_stack **b, t_list *solution, int position)
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// {
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// int i;
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//
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// i = position;
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// while (i--)
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// ra(a, &solution);
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// pb(b, a, &solution);
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// while (++i < position)
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// rra(a, &solution);
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// }
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//
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// /*
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// ** so far it's bullshit :p
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// */
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// void hugo_sort(t_stack **a, t_stack **b, t_list *solution)
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// {
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// int last;
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// int position;
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// int value;
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//
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// last = last_element(*a);
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// while ((*a)->n != last)
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// {
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// position = match(*a, 4, &value);
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// if (!(*b) || value > (*b)->n)
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// push_to_b(a, b, solution, position);
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// else
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// ra(a, &solution);
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// }
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// }
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/*
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sa(a, &solution);
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pb(b, a, &solution);
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@@ -48,7 +48,7 @@ t_list *launch_algo(t_stack **a, t_stack **b, int flag)
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if (flag)
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fill_solution(solution, "start");
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hugo_sort(a, b, solution);
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// bubble_sort(a, b, solution);
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//bubble_sort(a, b, solution);
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return (solution);
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}
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