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05 bonus

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David Gailleton
2025-12-16 14:38:00 +01:00
parent 0a617cc507
commit a11db9327e
5 changed files with 1367 additions and 0 deletions
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27
05_b/aoc05.h Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* aoc05.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/12/16 10:28:12 by dgaillet #+# #+# */
/* Updated: 2025/12/16 11:39:24 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#ifndef AOC05_H
# define AOC05_H
typedef struct s_range
{
long long start;
long long end;
void *next;
void *pre;
} t_range;
t_range *parsing(int fd);
void lst_clear(t_range *lst);
#endif

6
05_b/example Normal file
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3-5
10-14
16-20
12-18
10-20
1-1000

1183
05_b/input Normal file
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72
05_b/main.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/12/16 10:44:11 by dgaillet #+# #+# */
/* Updated: 2025/12/16 15:25:14 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include "aoc05.h"
#include "get_next_char.h"
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
static void update_range(t_range *lst)
{
t_range *node = lst;
while (lst->pre)
lst = lst->pre;
while (lst != node)
{
if (node->start >= lst->start && node->start <= lst->end)
node->start = lst->end + 1;
if (node->end >= lst->start && node->end <= lst->end)
node->end = lst->start - 1;
if ((lst->start >= node->start && lst->start <= node->end)
&& (lst->end >= node->start && lst->end <= node->end))
{
lst->start = 0;
lst->end = -1;
}
lst = lst->next;
}
if (node->start > node->end)
{
node->start = 0;
node->end = -1;
}
}
int main(void)
{
int fd = open("input", O_RDONLY);
t_range *lst = parsing(fd);
unsigned long long nb_fresh = 0;
while (lst->next)
{
update_range(lst);
lst = lst->next;
}
update_range(lst);
while (lst->pre)
lst = lst->pre;
while (lst->next)
{
nb_fresh += 1 + lst->end - lst->start;
lst = lst->next;
}
nb_fresh += 1 + lst->end - lst->start;
while (lst->pre)
lst = lst->pre;
close(fd);
lst_clear(lst);
printf("\n%lld\n", nb_fresh);
}

79
05_b/parsing.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parsing.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/12/16 10:30:27 by dgaillet #+# #+# */
/* Updated: 2025/12/16 11:51:22 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include "aoc05.h"
#include "get_next_char.h"
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
static t_range *new_range(char *str)
{
t_range *range;
range = malloc(sizeof(t_range));
if (!range)
return (NULL);
range->start = atoll(str);
range->end = atoll(strchr(str, '-') + 1);
range->next = NULL;
range->pre = NULL;
return (range);
}
static void range_add_back(t_range **lst, t_range *new)
{
t_range *temp;
if (!lst)
return ;
if (!(*lst))
*lst = new;
else
{
temp = *lst;
while (temp->next)
temp = temp->next;
temp->next = new;
new->pre = temp;
}
}
void lst_clear(t_range *lst)
{
t_range *temp;
while (lst)
{
temp = lst->next;
free(lst);
lst = temp;
}
}
t_range *parsing(int fd)
{
t_range *lst = NULL;
char *temp;
temp = get_next_char(fd, '\n');
while (temp && strlen(temp) > 1)
{
range_add_back(&lst, new_range(temp));
free(temp);
temp = get_next_char(fd, '\n');
}
if (temp)
free(temp);
return (lst);
}