diff --git a/2024/12/Makefile b/2024/12/Makefile new file mode 100644 index 0000000..808a501 --- /dev/null +++ b/2024/12/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/2024/12/main.c b/2024/12/main.c new file mode 100644 index 0000000..4f9b609 --- /dev/null +++ b/2024/12/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/2024/12/part1.c b/2024/12/part1.c new file mode 100644 index 0000000..51761fc --- /dev/null +++ b/2024/12/part1.c @@ -0,0 +1,100 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part1.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2024/12/12 13:32:35 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#include +#include "libft/libft.h" + + + +char **create_locations(char **map) +{ + int width; + int height; + char **res; + int i; + + height = 0; + while(map[height]) + height++; + width = 0; + while(map[0][width]) + width++; + res = malloc((height + 1) * sizeof(char *)); + res[height] = 0; + i = 0; + while(i < height) + { + res[i] = malloc(width + 1); + bzero(res[i], width + 1); + i++; + } + return(res); +} + +int get_area_perimetter(char **map, int pos[2], int perimetter, char **locations, char c) +{ + int res; + + if(perimetter && pos[0] >= 0 && pos[1] >= 0 && map[pos[0]] && map[pos[0]][pos[1]] && locations[pos[0]][pos[1]]) + return(0); + if(pos[0] < 0 || pos[1] < 0 || !map[pos[0]] || map[pos[0]][pos[1]] != c) + return(perimetter != 0); + res = 0; + res += !perimetter && c == map[pos[0]][pos[1]]; + if(perimetter) + locations[pos[0]][pos[1]] = 1; + else + map[pos[0]][pos[1]] = '.'; + res += get_area_perimetter(map, (int [2]){pos[0] - 1, pos[1]}, perimetter, locations, c); + res += get_area_perimetter(map, (int [2]){pos[0] + 1, pos[1]}, perimetter, locations, c); + res += get_area_perimetter(map, (int [2]){pos[0], pos[1] - 1}, perimetter, locations, c); + res += get_area_perimetter(map, (int [2]){pos[0], pos[1] + 1}, perimetter, locations, c); + return(res); +} + +long int calc_price(char **map, int x, int y) +{ + int area; + int perimetter; + char **locations; + + locations = create_locations(map); + perimetter = get_area_perimetter(map, (int [2]){y, x}, 1, locations, map[y][x]); + area = get_area_perimetter(map,(int [2]){y, x}, 0, locations, map[y][x]); + ft_free_str_arr(locations); + return(area * perimetter); +} + +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]) + { + if(split[i][j] != '.') + res += calc_price(split, j, i); + j++; + } + i++; + } + return(res); +} diff --git a/2024/12/part2.c b/2024/12/part2.c new file mode 100644 index 0000000..35dff46 --- /dev/null +++ b/2024/12/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/2024/12/test b/2024/12/test new file mode 100644 index 0000000..85b768f --- /dev/null +++ b/2024/12/test @@ -0,0 +1,10 @@ +RRRRIICCFF +RRRRIICCCF +VVRRRCCFFF +VVRCCCJFFF +VVVVCJJCFE +VVIVCCJJEE +VVIIICJJEE +MIIIIIJJEE +MIIISIJEEE +MMMISSJEEE