add day 25

2024/25/part1.c

@@ -0,0 +1,132 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part1.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2024/12/25 12:08:33 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "libft/libft.h"
+
+typedef struct s_elem
+{
+	int nbrs[5];
+	int lock;
+	struct s_elem *next;
+} t_elem;
+
+void set_nbrs(t_elem *res, char **split)
+{
+	int y;
+	int x;
+	
+	if(**split == '#')
+		res->lock = 1;
+	x = 0;
+	y = 0;
+	while(split[0][x])
+	{
+		y = 0;
+		while((res->lock && split[y][x] == '#') || (!res->lock && split[y][x] == '.'))
+			y++;	
+		res->nbrs[x] = y;
+		x++;
+	}
+}
+
+void add_elem(t_elem **res, char **split)
+{
+	t_elem *new;
+
+	new = malloc(sizeof(t_elem));
+	new->lock = 0;
+	new->next = *res;
+	set_nbrs(new, split);
+	*res = new;
+}
+
+t_elem *get_all(char **all)
+{
+	char **split;
+	t_elem *res;
+
+	res = 0;
+	while(*all)
+	{
+		split = ft_split(*all, '\n');	
+		add_elem(&res, split);	
+		ft_free_str_arr(split);
+		all++;
+	}
+	return(res);
+}
+
+int try_keys(t_elem *all, t_elem *lock)
+{
+	int i;
+	int res;
+
+	res = 0;
+	while(all)
+	{
+		if(all->lock == 0)
+		{
+			i = 0;
+			while(i < 5)
+			{
+				if(lock->nbrs[i] > all->nbrs[i])		
+					break;
+				i++;
+			}
+			if(i == 5)
+				res++;
+		}
+		all = all->next;
+	}
+	return(res);
+}
+
+int get_res(t_elem *lst)
+{
+	t_elem *start;
+	int res;
+
+	res = 0;
+	start = lst;
+	while(lst)
+	{
+		if(lst->lock == 1)
+			res += try_keys(start, lst);
+		lst = lst->next;
+	}
+	return(res);
+}
+
+long int resolve_part1(char *input, char **split)
+{
+	int i;
+	t_elem *lst;
+	int res;
+
+	i = 1;
+	while(input[i])
+	{
+		if(input[i - 1] == '\n' && input[i] == '\n')
+		{
+			input[i - 1] = 'x';
+			input[i] = 'x';
+		}
+		i++;
+	}
+	split = ft_split(input, 'x');
+	lst = get_all(split);
+	ft_free_str_arr(split);
+	res = get_res(lst);
+	return(res);
+}