tom/aoc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add day 10

Browse Source
This commit is contained in:
tomoron
2024-12-10 12:36:52 +01:00
parent 7b97aee6a2
commit f94d1948d6
5 changed files with 303 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
2024/10/part2.c Normal file
View File

@ -0,0 +1,58 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* part2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <tomoron@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */
/* Updated: 2024/12/10 12:32:48 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <stdlib.h>
#include "libft/libft.h"
static long int find_trails(char **map, int pos[2])
{
char c;
long int res;
c = map[pos[0]][pos[1]];
res = 0;
if(c == '9')
return(1);
if(map[pos[0] + 1] && map[pos[0] + 1][pos[1]] == c + 1)
res += find_trails(map, (int [2]){pos[0] + 1, pos[1]});
if(pos[0] - 1 >= 0 && map[pos[0] - 1][pos[1]] == c + 1)
res += find_trails(map, (int [2]){pos[0] - 1, pos[1]});
if(map[pos[0]][pos[1] + 1] && map[pos[0]][pos[1] + 1] == c + 1)
res += find_trails(map, (int [2]){pos[0], pos[1] + 1});
if(pos[1] - 1 >= 0 && map[pos[0]][pos[1] - 1] == c + 1)
res += find_trails(map, (int [2]){pos[0], pos[1] - 1});
return(res);
}
long int resolve_part2(char *input, char **split)
{
(void)input;
int i;
int j;
long int res;
i = 0;
res = 0;
while(split[i])
{
j = 0;
while(split[i][j])
{
if(split[i][j] == '0')
res += find_trails(split, (int [2]){i, j});
j++;
}
i++;
}
return(res);
}