diff --git a/2025/7/Makefile b/2025/7/Makefile new file mode 100644 index 0000000..5fad37f --- /dev/null +++ b/2025/7/Makefile @@ -0,0 +1,69 @@ +# **************************************************************************** # +# # +# ::: :::::::: # +# Makefile :+: :+: :+: # +# +:+ +:+ +:+ # +# By: tomoron +#+ +:+ +#+ # +# +#+#+#+#+#+ +#+ # +# Created: 2024/07/17 15:48:36 by tomoron #+# #+# # +# Updated: 2025/12/02 14:14:04 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 ../../libft . + +main.c: + cp ../../main.c . + +part1.c: + cp ../../part1.c . + +part2.c: + cp ../../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/2025/7/main.c b/2025/7/main.c new file mode 100644 index 0000000..4f9b609 --- /dev/null +++ b/2025/7/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/2025/7/part1.c b/2025/7/part1.c new file mode 100644 index 0000000..c5721dd --- /dev/null +++ b/2025/7/part1.c @@ -0,0 +1,51 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part1.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2025/12/09 12:30:27 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#include "libft/libft.h" + +long int resolve_part1(char *input, char **split) +{ + (void)input; + int x = 0; + int y = 0; + long int res; + + int map_height = 0; + + res = 0; + while(split[map_height]) + map_height++; + + while(y < map_height - 1) + { + x = 0; + while(split[y][x]) + { + if(split[y][x] == 'S') + { + if(split[y+1][x] == '^') + { + split[y + 1][x - 1] = 'S'; + split[y + 1][x + 1] = 'S'; + res++; + } + else + split[y + 1][x] = 'S'; + } + x++; + } + y++; + } + return(res); +} diff --git a/2025/7/part2.c b/2025/7/part2.c new file mode 100644 index 0000000..61dc3ca --- /dev/null +++ b/2025/7/part2.c @@ -0,0 +1,77 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part2.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2025/12/09 12:37:36 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#include "libft/libft.h" + +long int get_timelines(char **map, int x, int y, long int *hash, int len) +{ + long int res; + int start_x; + int start_y; + + start_x = x; + start_y = y; + if(hash[y * len + x]) + return(hash[y * len + x]); + + while(map[y] && map[y][x] == '.') + y++; + if(map[y]) + { + res = get_timelines(map, x+1, y, hash, len); + res += get_timelines(map, x-1, y, hash, len); + } + else + res = 1; + hash[start_y * len + start_x] = res; + return(res); + +} + +long int *create_hashmap(char **map) +{ + int len; + int height; + + len = 0; + height = 0; + while(map[0][len]) + len++; + while(map[height]) + height++; + return(malloc(len * height * sizeof(long int))); +} + +long int resolve_part2(char *input, char **split) +{ + (void)input; + long int res; + long int *hash; + int len; + int s_pos; + + len = 0; + hash = create_hashmap(split); + s_pos = 0; + if(!hash) + return(0); + while(split[0][len]) + { + if(split[0][len] == 'S') + s_pos = len; + len++; + } + res = get_timelines(split, s_pos, 0, hash,len); + return(res); +} diff --git a/2025/7/test b/2025/7/test new file mode 100644 index 0000000..57a2466 --- /dev/null +++ b/2025/7/test @@ -0,0 +1,16 @@ +.......S....... +............... +.......^....... +............... +......^.^...... +............... +.....^.^.^..... +............... +....^.^...^.... +............... +...^.^...^.^... +............... +..^...^.....^.. +............... +.^.^.^.^.^...^. +...............