diff --git a/2025/3/Makefile b/2025/3/Makefile new file mode 100644 index 0000000..5fad37f --- /dev/null +++ b/2025/3/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/2025/3/main.c b/2025/3/main.c new file mode 100644 index 0000000..4f9b609 --- /dev/null +++ b/2025/3/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/2025/3/part1.c b/2025/3/part1.c new file mode 100644 index 0000000..5c5a4d4 --- /dev/null +++ b/2025/3/part1.c @@ -0,0 +1,53 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part1.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2025/12/03 16:40:31 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#include "libft/libft.h" + +static long int get_max_jolt(char *line) +{ + char *first; + char *second; + long int max; + long int tmp; + + first = line; + max = 0; + while(*first) + { + second = first + 1; + while(*second) + { + tmp = ((*first - '0') * 10) + (*second - '0'); + if(tmp > max) + max = tmp; + second++; + } + first++; + } + return(max); +} + +long int resolve_part1(char *input, char **split) +{ + (void)input; + long int res; + + res = 0; + while(*split) + { + res += get_max_jolt(*split); + split++; + } + return(res); +} diff --git a/2025/3/part2.c b/2025/3/part2.c new file mode 100644 index 0000000..a7bec08 --- /dev/null +++ b/2025/3/part2.c @@ -0,0 +1,69 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* part2.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: tomoron +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2024/07/17 23:03:36 by tomoron #+# #+# */ +/* Updated: 2025/12/03 20:03:20 by tomoron ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include +#include +#include "libft/libft.h" + +long int get_max_pos(char *line, int n) +{ + int i; + int found; + int found_i; + + found = '0'; + i = 0; + found_i = 0; + while(line[i] && i < n) + { + if(line[i] > found) + { + found = line[i]; + found_i = i; + } + i++; + } + return(found_i); +} + +static long int get_max_jolt(char *line, long int cur_nb, int rec_i) +{ + int end; + int len; + int ind; + + if(rec_i == 0) + return(cur_nb); + + len = ft_strlen(line); + end = len - (rec_i -1); + ind = get_max_pos(line, end); + + cur_nb = cur_nb * 10 + (line[ind] - '0'); + return(get_max_jolt(line + ind + 1, cur_nb, rec_i - 1)); +} + +long int resolve_part2(char *input, char **split) +{ + (void)input; + long int res; + long int tmp; + + res = 0; + while(*split) + { + tmp = get_max_jolt(*split, 0, 12); + res+=tmp; + split++; + } + return(res); +} diff --git a/2025/3/test b/2025/3/test new file mode 100644 index 0000000..7255fca --- /dev/null +++ b/2025/3/test @@ -0,0 +1,4 @@ +987654321111111 +811111111111119 +234234234234278 +818181911112111