da7e/AdventOfCode-2025
1
0
Fork 0
mirror of https://github.com/DavidGailleton/AdventOfCode-2025.git synced 2026-01-26 23:11:58 +00:00
Code Issues Packages Projects Releases Wiki Activity

07

Browse Source
This commit is contained in:
David Gailleton
2025-12-17 15:30:28 +01:00
parent e3a675e1b7
commit 3b878c0bd0
3 changed files with 266 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
07/main.c Normal file
View File

@@ -0,0 +1,64 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/12/17 14:58:08 by dgaillet #+# #+# */
/* Updated: 2025/12/17 15:25:49 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
char **parsing(int fd);
static size_t nb_split(char **tab)
{
size_t nb_split = 0;
int i = 0;
int j;
while (tab[i])
{
j = 0;
while (tab[i][j])
{
if ((tab[i][j] == 'S' || tab[i][j] == '|' ) && tab[i + 1] && tab[i+1][j] != '^')
tab[i + 1][j] = '|';
else if (tab[i][j] == '^' && tab[i - 1][j] == '|')
{
tab[i][j + 1] = '|';
tab[i][j - 1] = '|';
if (tab[i + 1] && tab[i + 1][j + 1] != '^')
tab[i + 1][j + 1] = '|';
if (tab[i + 1] && tab[i + 1][j - 1] != '^')
tab[i + 1][j - 1] = '|';
nb_split++;
}
j++;
}
i++;
}
return (nb_split);
}
int main(void)
{
int fd = open("input", O_RDONLY);
char **tab = parsing(fd);
int i = 0;
printf("%zu\n", nb_split(tab));
while (tab[i])
{
free(tab[i]);
i++;
}
free(tab);
close(fd);
}