add day 6

2025/6/Makefile

@@ -0,0 +1,69 @@
+# **************************************************************************** #
+#                                                                              #
+#                                                         :::      ::::::::    #
+#    Makefile                                           :+:      :+:    :+:    #
+#                                                     +:+ +:+         +:+      #
+#    By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+         #
+#                                                 +#+#+#+#+#+   +#+            #
+#    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

2025/6/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);
+}

2025/6/part1.c

@@ -0,0 +1,92 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part1.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2025/12/06 15:54:24 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libft/libft.h"
+
+long int get_nb(char *line, int index)
+{
+	int i = 0;
+
+	while(i < index && *line)
+	{
+		while(*line == ' ')
+			line++;
+		while(ft_isdigit(*line) || *line == '+' || *line == '*')
+			line++;
+		i++;
+	}
+	if(!*line)
+		return(0);
+	while(*line == ' ')
+		line++;
+	if(*line == '*')
+		return(-1);
+	if(*line == '+')
+		return(-2);
+	return(ft_atoi(line));
+
+}
+
+static char *get_ll(char **split)
+{
+	char *tmp;
+
+	tmp = 0;
+	while(*(split + 1))
+		split++;
+
+	tmp = *split;
+	*split = 0;
+	return(tmp);
+}
+
+long int resolve_part1(char *input, char **split)
+{
+	(void)input;
+	char **tmp;
+	char *last_line;
+	long int ret;
+	long int res;
+	long int cur;
+	long int op;
+	int i = 0;
+
+	res = 0;
+	last_line = get_ll(split);
+	while(1)
+	{
+		tmp = split;
+		op = get_nb(last_line, i);
+		cur = 0;
+		while(*tmp)
+		{
+			ret = get_nb(*tmp, i);
+			if(ret == 0)
+				return(res);
+			if(cur)
+			{
+				if(op == -1)
+					cur *= ret;
+				else
+					cur += ret;
+			}
+			else
+				cur = ret;
+			tmp++;
+		}
+		res += cur;
+		i++;
+	}
+	return(0);
+}

2025/6/part2.c

@@ -0,0 +1,79 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part2.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2025/12/06 16:16:55 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libft/libft.h"
+
+static char *get_ll(char **split)
+{
+	char *tmp;
+
+	tmp = 0;
+	while(*(split + 1))
+		split++;
+
+	tmp = *split;
+	*split = 0;
+	return(tmp);
+}
+
+long int resolve_part2(char *input, char **split)
+{
+	(void)input;
+	char **tmp;
+	char *last_line;
+	long int nb;
+	long int res;
+	long int cur;
+	long int op;
+	int i = 0;
+
+	res = 0;
+	last_line = get_ll(split);
+	cur = 0;
+	while(split[0][i])
+	{
+		if(last_line[i] == '+')
+			op = 1;
+		if(last_line[i] == '*')
+			op = 0;
+		tmp = split;
+		nb = 0;
+		while(*tmp)
+		{
+			if(ft_isdigit((*tmp)[i]))
+			{
+				nb *= 10;
+				nb += (*tmp)[i] - '0';
+			}
+			tmp++;
+		}
+		if(nb == 0)
+		{
+			res += cur;
+			cur = 0;
+		}
+		if(!cur)
+			cur = nb;
+		else
+		{
+			if(op)
+				cur += nb;
+			else
+				cur *= nb;
+		}
+		i++;
+	}
+	res+=cur;
+	return(res);
+}

2025/6/test

@@ -0,0 +1,4 @@
+123 328  51 64 
+ 45 64  387 23 
+  6 98  215 314
+*   +   *   +