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add day 4 and 5

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tomoron
2024-12-05 08:53:54 +01:00
parent 0f2cc977b0
commit e3ece8ca06
10 changed files with 749 additions and 0 deletions
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69
2024/4/Makefile Normal file
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# **************************************************************************** #
# #
# ::: :::::::: #
# Makefile :+: :+: :+: #
# +:+ +:+ +:+ #
# By: tomoron <tomoron@student.42.fr> +#+ +:+ +#+ #
# +#+#+#+#+#+ +#+ #
# Created: 2024/07/17 15:48:36 by tomoron #+# #+# #
# Updated: 2024/10/29 20:43:12 by tomoron ### ########.fr #
# #
# **************************************************************************** #
SRCS = main.c\
part1.c\
part2.c
OBJS = $(SRCS:.c=.o)
FLAGS = -Wextra -Werror -Wall -g
LIB = libft/libft.a
all: $(LIB) a.out test
cp test cur_input
./a.out
f: $(LIB) a.out input
cp input cur_input
./a.out
test:
touch test
input:
touch input
cp:
cp part1.c part2.c
sed -i 's/resolve_part1/resolve_part2/g' part2.c
$(LIB): libft
make -C libft
libft:
cp -r ~/Desktop/aoc/libft .
main.c:
cp ~/Desktop/aoc/main.c .
part1.c:
cp ~/Desktop/aoc/part1.c .
part2.c:
cp ~/Desktop/aoc/part2.c .
a.out: main.c $(OBJS) $(LIB)
clang $(FLAGS) $(OBJS) $(LIB)
clean:
rm -rf $(OBJS)
rm -rf libft
fclean: clean
rm -rf a.out
.c.o:
clang $(FLAGS) -c $< -o $@
.PHONY: t all clean fclean cp

67
2024/4/main.c Normal file
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#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include "libft/libft.h"
long int resolve_part1(char *input, char **split);
long int resolve_part2(char *input, char **split);
char *get_input(char *file)
{
int fd;
int rd_len;
char buffer[1000];
int len;
char *res;
fd = open(file, O_RDONLY);
len = 0;
if(fd < 0)
return(0);
rd_len = -1;
while(rd_len)
{
rd_len = read(fd, buffer, 1000);
len+= rd_len;
}
close(fd);
res = malloc(len + 1);
if(!res)
return(0);
fd = open(file, O_RDONLY);
if(fd < 0)
return(0);
rd_len = read(fd,res, len);
res[len] = 0;
close(fd);
return(res);
}
int main(void)
{
char *input;
char *input_cpy;
char **split;
input = get_input("cur_input");
input_cpy = ft_strdup(input);
if(!input || !input_cpy)
{
fprintf(stderr, "file read error\n");
return(1);
}
split = ft_split(input, '\n');
if(!split)
return(1);
printf("result part 1: %ld\n", resolve_part1(input, split));
ft_free_str_arr(split);
split = ft_split(input_cpy, '\n');
if(!split)
return(1);
printf("result part 2: %ld\n", resolve_part2(input, split));
ft_free_str_arr(split);
free(input);
free(input_cpy);
return(0);
}

78
2024/4/part1.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* part1.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <tomoron@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */
/* Updated: 2024/12/04 10:41:12 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <stdlib.h>
#include "libft/libft.h"
static int is_word(char **split, int y, int x, int depth, int dir)
{
char *word = "XMAS";
int nb;
if(depth == 4)
return(1);
if( y < 0 || x < 0 || !split[y] || !split[y][x])
return(0);
if(split[y][x] != word[depth])
return(0);
nb = 0;
if((dir == 0 || dir == 1) &&
is_word(split, y - 1, x - 1, depth + 1, 1))
nb++;
if((dir == 0 || dir == 2) &&
is_word(split, y - 1, x, depth + 1, 2))
nb++;
if((dir == 0 || dir == 3) &&
is_word(split, y - 1, x + 1, depth + 1, 3))
nb++;
if((dir == 0 || dir == 4) &&
is_word(split, y, x + 1, depth + 1, 4))
nb++;
if((dir == 0 || dir == 5) &&
is_word(split, y + 1, x + 1, depth + 1, 5))
nb++;
if((dir == 0 || dir == 6) &&
is_word(split, y + 1, x, depth + 1, 6))
nb++;
if((dir == 0 || dir == 7) &&
is_word(split, y + 1, x - 1, depth + 1, 7))
nb++;
if((dir == 0 || dir == 8) &&
is_word(split, y, x - 1, depth + 1, 8))
nb++;
return(nb);
}
long int resolve_part1(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])
{
res += is_word(split, i, j, 0, 0);
j++;
}
i++;
}
i = 0;
return(res);
}

60
2024/4/part2.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* part2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: tomoron <tomoron@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */
/* Updated: 2024/12/04 10:48:38 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <stdlib.h>
#include "libft/libft.h"
static int is_word(char **split, int y, int x)
{
if(split[y][x] != 'A')
return(0);
if(x == 0 || y == 0 || !split[y + 1])
return(0);
if(((split[y - 1][x - 1] == 'M' && split[y + 1][x + 1] == 'S') ||
(split[y - 1][x - 1] == 'S' && split[y + 1][x + 1] == 'M')) &&
((split[y - 1][x + 1] == 'S' && split[y + 1][x - 1] == 'M') ||
(split[y - 1][x + 1] == 'M' && split[y + 1][x - 1] == 'S')))
return(1);
return(0);
}
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(is_word(split, i, j))
{
printf("%c", split[i][j]);
res++;
}
else
printf(".");
j++;
}
printf("\n");
i++;
}
i = 0;
return(res);
}

10
2024/4/test Normal file
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MMMSXXMASM
MSAMXMSMSA
AMXSXMAAMM
MSAMASMSMX
XMASAMXAMM
XXAMMXXAMA
SMSMSASXSS
SAXAMASAAA
MAMMMXMMMM
MXMXAXMASX