diff --git a/2024/25/Makefile b/2024/25/Makefile new file mode 100644 index 0000000..808a501 --- /dev/null +++ b/2024/25/Makefile @@ -0,0 +1,69 @@ +# **************************************************************************** # +# # +# ::: :::::::: # +# Makefile :+: :+: :+: # +# +:+ +:+ +:+ # +# By: tomoron +#+ +:+ +#+ # +# +#+#+#+#+#+ +#+ # +# 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 diff --git a/2024/25/main.c b/2024/25/main.c new file mode 100644 index 0000000..4f9b609 --- /dev/null +++ b/2024/25/main.c @@ -0,0 +1,67 @@ +#include +#include +#include +#include +#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); +} diff --git a/2024/25/part1.c b/2024/25/part1.c new file mode 100644 index 0000000..35161e9 --- /dev/null +++ b/2024/25/part1.c @@ -0,0 +1,132 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part1.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2024/12/25 12:08:33 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#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); +} diff --git a/2024/25/part2.c b/2024/25/part2.c new file mode 100644 index 0000000..35dff46 --- /dev/null +++ b/2024/25/part2.c @@ -0,0 +1,22 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part2.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2024/07/17 23:18:02 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#include "libft/libft.h" + +long int resolve_part2(char *input, char **split) +{ + (void)input; + (void)split; + return(0); +} diff --git a/2024/25/test b/2024/25/test new file mode 100644 index 0000000..8e29855 --- /dev/null +++ b/2024/25/test @@ -0,0 +1,39 @@ +##### +.#### +.#### +.#### +.#.#. +.#... +..... + +##### +##.## +.#.## +...## +...#. +...#. +..... + +..... +#.... +#.... +#...# +#.#.# +#.### +##### + +..... +..... +#.#.. +###.. +###.# +###.# +##### + +..... +..... +..... +#.... +#.#.. +#.#.# +#####