add day 19

2024/19/part2.c

@@ -0,0 +1,107 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part2.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2024/12/19 13:06:39 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "libft/libft.h"
+
+typedef struct s_mem
+{
+	char *line;
+	long int value;
+	struct s_mem *next;
+} t_mem;
+
+static long int mem_get(t_mem *mem, char *line)
+{
+	while(mem)
+	{
+		if(mem->line == line)
+			return(mem->value);
+		mem = mem->next;
+	}
+	return(0);
+}
+
+static void mem_add(t_mem **mem, char *line, long int val)
+{
+	t_mem *new;
+
+	new = malloc(sizeof(t_mem));
+	new->line = line;
+	new->value = val;
+	new->next = *mem;
+	*mem = new;
+}
+
+static void free_mem(t_mem **mem)
+{
+	t_mem *tmp;
+
+	while(*mem)
+	{
+		tmp = (*mem)->next;
+		free(*mem);
+		*mem = tmp;
+	}
+}
+
+static long int check_line(char *line, char **colors, int rec)
+{
+	int i;
+	int len;
+	long int res;
+	static t_mem *mem;
+
+	i = 0;
+	if(!*line)
+		return(1);
+	res = mem_get(mem, line);
+	if(res)
+		return(res);
+	while(colors[i])
+	{
+		len = ft_strlen(colors[i]);
+		if(!ft_strncmp(line, colors[i], len))
+			res += check_line(line + len, colors, 1);
+		i++;
+	}
+	(void)rec;
+	(void)mem_add;
+	(void)free_mem;
+	if(rec)
+		mem_add(&mem, line, res);
+	else
+		free_mem(&mem);
+	return(res);
+}
+
+long int resolve_part2(char *input, char **split)
+{
+	(void)input;
+	char **colors;
+	long int res;
+
+	res = 0;
+	if(!*split)
+		return(-1);
+	colors = ft_split_set(*split, ", ");
+	split++;
+	while(*split)
+	{
+		res += check_line(*split, colors, 0);
+		split++;
+	}
+	ft_free_str_arr(colors);
+	return(res);
+}