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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
2024/5/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
2024/5/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);
}

148
2024/5/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: 2024/12/05 08:50:09 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <stdlib.h>
#include "libft/libft.h"
typedef struct s_orders
{
int left;
int right;
struct s_orders *next;
} t_orders;
static void add_order(char *line, t_orders **orders)
{
t_orders *new;
new = malloc(sizeof(t_orders));
new->left = ft_atoi(line);
while(ft_isdigit(*line))
line++;
line++;
new->right = ft_atoi(line);
new->next = *orders;
*orders = new;
}
static int count_char(char *str, char c)
{
int res;
res = 0;
while(*str)
{
if(*str == c)
res++;
str++;
}
return(res);
}
static int *get_numbers(char *line, int *len)
{
int *res;
int i;
*len = count_char(line, ',') + 1;
res = malloc(*len * sizeof(int));
i = 0;
while(*line)
{
res[i] = ft_atoi(line);
while(ft_isdigit(*line))
line++;
if(*line == ',')
line++;
i++;
}
return(res);
}
static int respect_order(int *nbrs, t_orders *orders, int len)
{
int i;
int j;
// int tmp;
i = 0;
while(i < len)
{
j = 0;
while(j < len)
{
if(i != j)
{
if(nbrs[i] == orders->left && nbrs[j] == orders->right && i > j)
{
// tmp = nbrs[i];
// nbrs[i] = nbrs[j];
// nbrs[j] = tmp;
return(0);
}
}
j++;
}
i++;
}
return(1);
}
static int is_ordered(int *nbrs, t_orders *orders, int len)
{
while(orders)
{
if(!respect_order(nbrs, orders, len))
return(0);
orders = orders->next;
}
return(1);
}
static long int check_line(char *line, t_orders *orders)
{
int *nbrs;
int len;
int res;
nbrs = get_numbers(line, &len);
if(!is_ordered(nbrs, orders, len))
return(0);
res = nbrs[(len / 2)];
free(nbrs);
return(res);
}
long int resolve_part1(char *input, char **split)
{
(void)input;
t_orders *orders;
long int res;
orders = 0;
while((*split)[2] == '|')
{
add_order(*split, &orders);
split++;
}
res = 0;
while(*split)
{
res += check_line(*split, orders);
split++;
}
return(res);
}

153
2024/5/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: 2024/12/05 08:49:16 by tomoron ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdio.h>
#include <stdlib.h>
#include "libft/libft.h"
typedef struct s_orders
{
int left;
int right;
struct s_orders *next;
} t_orders;
static void add_order(char *line, t_orders **orders)
{
t_orders *new;
new = malloc(sizeof(t_orders));
new->left = ft_atoi(line);
while(ft_isdigit(*line))
line++;
line++;
new->right = ft_atoi(line);
new->next = *orders;
*orders = new;
}
static int count_char(char *str, char c)
{
int res;
res = 0;
while(*str)
{
if(*str == c)
res++;
str++;
}
return(res);
}
static int *get_numbers(char *line, int *len)
{
int *res;
int i;
*len = count_char(line, ',') + 1;
res = malloc(*len * sizeof(int));
i = 0;
while(*line)
{
res[i] = ft_atoi(line);
while(ft_isdigit(*line))
line++;
if(*line == ',')
line++;
i++;
}
return(res);
}
static int respect_order(int *nbrs, t_orders *orders, int len)
{
int i;
int j;
int tmp;
i = 0;
while(i < len)
{
j = 0;
while(j < len)
{
if(i != j)
{
if(nbrs[i] == orders->left && nbrs[j] == orders->right && i > j)
{
tmp = nbrs[i];
nbrs[i] = nbrs[j];
nbrs[j] = tmp;
return(0);
}
}
j++;
}
i++;
}
return(1);
}
static int is_ordered(int *nbrs, t_orders *orders, int len)
{
while(orders)
{
if(!respect_order(nbrs, orders, len))
return(0);
orders = orders->next;
}
return(1);
}
static long int check_line(char *line, t_orders *orders)
{
int *nbrs;
int len;
int res;
int err;
nbrs = get_numbers(line, &len);
err = 0;
while(!is_ordered(nbrs, orders, len))
err = 1;
if(err)
res = nbrs[(len / 2)];
else
res = 0;
free(nbrs);
return(res);
}
long int resolve_part2(char *input, char **split)
{
(void)input;
t_orders *orders;
long int res;
orders = 0;
while((*split)[2] == '|')
{
add_order(*split, &orders);
split++;
}
res = 0;
while(*split)
{
res += check_line(*split, orders);
split++;
}
return(res);
}

28
2024/5/test Normal file
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47|53
97|13
97|61
97|47
75|29
61|13
75|53
29|13
97|29
53|29
61|53
97|53
61|29
47|13
75|47
97|75
47|61
75|61
47|29
75|13
53|13
75,47,61,53,29
97,61,53,29,13
75,29,13
75,97,47,61,53
61,13,29
97,13,75,29,47