add day 25

2024/25/Makefile

@@ -0,0 +1,69 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    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

2024/25/main.c

@@ -0,0 +1,67 @@
+#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);
+}

2024/25/part1.c

@@ -0,0 +1,132 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part1.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2024/12/25 12:08:33 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libft/libft.h"
+
+typedef struct s_elem
+{
+	int nbrs[5];
+	int lock;
+	struct s_elem *next;
+} t_elem;
+
+void set_nbrs(t_elem *res, char **split)
+{
+	int y;
+	int x;
+	
+	if(**split == '#')
+		res->lock = 1;
+	x = 0;
+	y = 0;
+	while(split[0][x])
+	{
+		y = 0;
+		while((res->lock && split[y][x] == '#') || (!res->lock && split[y][x] == '.'))
+			y++;	
+		res->nbrs[x] = y;
+		x++;
+	}
+}
+
+void add_elem(t_elem **res, char **split)
+{
+	t_elem *new;
+
+	new = malloc(sizeof(t_elem));
+	new->lock = 0;
+	new->next = *res;
+	set_nbrs(new, split);
+	*res = new;
+}
+
+t_elem *get_all(char **all)
+{
+	char **split;
+	t_elem *res;
+
+	res = 0;
+	while(*all)
+	{
+		split = ft_split(*all, '\n');	
+		add_elem(&res, split);	
+		ft_free_str_arr(split);
+		all++;
+	}
+	return(res);
+}
+
+int try_keys(t_elem *all, t_elem *lock)
+{
+	int i;
+	int res;
+
+	res = 0;
+	while(all)
+	{
+		if(all->lock == 0)
+		{
+			i = 0;
+			while(i < 5)
+			{
+				if(lock->nbrs[i] > all->nbrs[i])		
+					break;
+				i++;
+			}
+			if(i == 5)
+				res++;
+		}
+		all = all->next;
+	}
+	return(res);
+}
+
+int get_res(t_elem *lst)
+{
+	t_elem *start;
+	int res;
+
+	res = 0;
+	start = lst;
+	while(lst)
+	{
+		if(lst->lock == 1)
+			res += try_keys(start, lst);
+		lst = lst->next;
+	}
+	return(res);
+}
+
+long int resolve_part1(char *input, char **split)
+{
+	int i;
+	t_elem *lst;
+	int res;
+
+	i = 1;
+	while(input[i])
+	{
+		if(input[i - 1] == '\n' && input[i] == '\n')
+		{
+			input[i - 1] = 'x';
+			input[i] = 'x';
+		}
+		i++;
+	}
+	split = ft_split(input, 'x');
+	lst = get_all(split);
+	ft_free_str_arr(split);
+	res = get_res(lst);
+	return(res);
+}

2024/25/part2.c

@@ -0,0 +1,22 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part2.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2024/07/17 23:18:02 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libft/libft.h"
+
+long int resolve_part2(char *input, char **split)
+{
+	(void)input;
+	(void)split;
+	return(0);
+}

2024/25/test

@@ -0,0 +1,39 @@
+#####
+.####
+.####
+.####
+.#.#.
+.#...
+.....
+
+#####
+##.##
+.#.##
+...##
+...#.
+...#.
+.....
+
+.....
+#....
+#....
+#...#
+#.#.#
+#.###
+#####
+
+.....
+.....
+#.#..
+###..
+###.#
+###.#
+#####
+
+.....
+.....
+.....
+#....
+#.#..
+#.#.#
+#####