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add three pre sort alg + optimized simple sort alg

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David Gailleton
2025-12-15 14:47:27 +01:00
parent e9c90e447c
commit e2495fa62f
4 changed files with 64 additions and 27 deletions
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49
algorithms/utils/pre_sort.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* pre_sort.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/12/15 14:21:20 by dgaillet #+# #+# */
/* Updated: 2025/12/15 14:39:21 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
int r_to_lowest(t_stack *stack, int len)
{
t_stack *lowest;
int lowest_i;
int i;
i = 1;
lowest_i = 0;
lowest = stack;
stack = stack->next;
while (i < len)
{
if (stack->value < lowest->value)
{
lowest_i = i;
lowest = stack;
}
stack = stack->next;
i++;
}
return (lowest_i);
}
void sort_three_a(t_stacks *stacks)
{
if (check_order(stacks->a))
return ;
optimal_rotate(stacks, r_to_lowest(stacks->a, 3), 3, 'a');
if (stacks->a->next->value > stacks->a->previous->value)
{
ra(stacks);
sa(stacks);
rra(stacks);
}
}