change Makefile and add day 2

2025/2/part2.c

@@ -0,0 +1,79 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   part2.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: tomoron <tomoron@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 23:03:36 by tomoron           #+#    #+#             */
+/*   Updated: 2025/12/03 16:31:23 by tomoron          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "libft/libft.h"
+
+static long int is_rep(long int nb_int)
+{
+	char nb[100];
+	char search[100];
+	int len;
+	int cur_len;
+	char *cur;
+
+	len = sprintf(nb, "%ld", nb_int);
+	cur_len = 1;
+	while(cur_len <= len / 2)
+	{
+		strncpy(search, nb, cur_len);
+		search[cur_len] = 0;
+		cur = nb + cur_len;
+		while(cur - nb <= len)
+		{
+			if(!ft_strnstr(cur, search, cur_len))
+				break;
+			cur += cur_len;
+		}
+		if(cur - nb >= len)
+			return(nb_int);
+		cur_len++;
+	}
+	return(0);
+}
+
+long int resolve_part2(char *input, char **split)
+{
+	(void)split;
+	long int start;
+	long int end;
+	long int res;
+
+	res = 0;
+	while(*input)
+	{
+		start = atol(input);
+		while(ft_isdigit(*input))
+			input++;
+		input++;
+		end = atol(input);
+		while(ft_isdigit(*input))
+			input++;
+		input++;
+		
+		if(start > end)
+		{
+			res = start;
+			start = end;
+			end = res;
+		}
+
+		while(start <= end)
+		{
+			res += is_rep(start);
+			start++;
+		}
+	}
+	return(res);
+}