mirror of
https://github.com/DavidGailleton/AdventOfCode-2025.git
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07
This commit is contained in:
David Gailleton
142
07/input
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142
07/input
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..^.^.^.^.^.....^...^.^.^.^...^.^...^...^.^.^.^...^...^...^.^.^.^.....^.^.^.^.^.^.^.^.^...^.^.^...^.^.^...^.^.^.^.^.^.^.^...^.^...^...^...^..
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64
07/main.c
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07/main.c
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* main.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/12/17 14:58:08 by dgaillet #+# #+# */
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/* Updated: 2025/12/17 15:25:49 by dgaillet ### ########lyon.fr */
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/* */
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/* ************************************************************************** */
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#include <fcntl.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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char **parsing(int fd);
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static size_t nb_split(char **tab)
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{
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size_t nb_split = 0;
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int i = 0;
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int j;
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while (tab[i])
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{
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j = 0;
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while (tab[i][j])
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{
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if ((tab[i][j] == 'S' || tab[i][j] == '|' ) && tab[i + 1] && tab[i+1][j] != '^')
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tab[i + 1][j] = '|';
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else if (tab[i][j] == '^' && tab[i - 1][j] == '|')
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{
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tab[i][j + 1] = '|';
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tab[i][j - 1] = '|';
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if (tab[i + 1] && tab[i + 1][j + 1] != '^')
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tab[i + 1][j + 1] = '|';
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if (tab[i + 1] && tab[i + 1][j - 1] != '^')
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tab[i + 1][j - 1] = '|';
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nb_split++;
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}
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j++;
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}
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i++;
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}
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return (nb_split);
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}
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int main(void)
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{
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int fd = open("input", O_RDONLY);
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char **tab = parsing(fd);
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int i = 0;
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printf("%zu\n", nb_split(tab));
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while (tab[i])
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{
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free(tab[i]);
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i++;
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}
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free(tab);
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close(fd);
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}
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60
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/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* parsing.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/12/17 15:02:13 by dgaillet #+# #+# */
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/* Updated: 2025/12/17 15:29:54 by dgaillet ### ########lyon.fr */
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/* */
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/* ************************************************************************** */
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#include <stdlib.h>
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#include "get_next_char.h"
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size_t tab_len(char **tab)
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{
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size_t i = 0;
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if (!tab)
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return (0);
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while (tab[i])
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i++;
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return (i);
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}
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char **tab_extend(char **tab, char *str)
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{
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char **new_tab;
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size_t i = 0;
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size_t len = tab_len(tab);
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new_tab = malloc(sizeof(char *) * (len + 2));
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if (!new_tab)
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return (NULL);
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while (i < len)
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{
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new_tab[i] = tab[i];
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i++;
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}
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new_tab[len] = str;
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new_tab[len + 1] = NULL;
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if (len > 0)
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free(tab);
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return (new_tab);
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}
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char **parsing(int fd)
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{
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char **tab = NULL;
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char *temp;
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temp = get_next_char(fd, '\n');
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while (temp)
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{
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tab = tab_extend(tab, temp);
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temp = get_next_char(fd, '\n');
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}
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return (tab);
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}
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