From: Lukáš Jiřiště <gymnazium.jiriste@gmail.com>
Date: Sun, 3 Dec 2023 19:49:28 +0000 (+0100)
Subject: Add solution to second part (bonus) of day 1
X-Git-Url: https://git.ljiriste.work/?a=commitdiff_plain;h=a25485836775f97de160d47adc75d6f9d5f7f74c;p=AoC_2023.git

Add solution to second part (bonus) of day 1
---

diff --git a/1/1b.c b/1/1b.c
new file mode 100644
index 0000000..21e134f
--- /dev/null
+++ b/1/1b.c
@@ -0,0 +1,74 @@
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include "libft.h"
+
+char	is_spelled_digit(char *str)
+{
+	const char *const	digits[] = {"one", "two", "three", "four", "five",
+									"six", "seven", "eight", "nine", NULL};
+	size_t				i;
+
+	i = 0;
+	while (digits[i])
+	{
+		if (!ft_strncmp(str, digits[i], ft_strlen(digits[i])))
+		{
+			return ('0' + i + 1);
+		}
+		++i;
+	}
+	return (0);
+}
+
+int	line_value(char *line)
+{
+	char	two_digit[2];
+	size_t	i;
+
+	i = 0;
+	while (!ft_isdigit(line[i]) && !is_spelled_digit(line + i))
+		++i;
+	if (ft_isdigit(line[i])) 
+		two_digit[0] = line[i];
+	else
+		two_digit[0] = is_spelled_digit(line + i);
+	while(line[i])
+		++i;
+	while (!ft_isdigit(line[i]) && !is_spelled_digit(line + i))
+		--i;
+	if (ft_isdigit(line[i])) 
+		two_digit[1] = line[i];
+	else
+		two_digit[1] = is_spelled_digit(line + i);
+	return (ft_atoi(two_digit));
+}
+
+int	main(int argc, char **argv)
+{
+	char	*line;
+	int		fd;
+	int		result;
+
+	if (argc != 2)
+	{
+		return (1);
+	}
+	fd = open(argv[1], O_RDONLY);
+	if (fd < 0)
+	{
+		return (2);
+	}
+	result = 0;
+	line = get_next_line(fd);
+	while (line)
+	{
+		result += line_value(line);
+		free(line);
+		line = get_next_line(fd);
+	}
+	ft_printf("The calibration sum is %i.\n", result);
+	close(fd);
+	return (0);
+}