AdventOfCode2017/Day9

Day9.java

public static void main(String[] args) throws IOException {

		List<String> bloccs = Files.readAllLines(Paths.get(new File("res/day9").getPath())).stream()
				.collect(Collectors.toList());

		String x = bloccs.get(0).trim();

		boolean garbage = false;
		int score = 0;
		int depth = 0;
		int count = 0;

		for (int i = 0; i < x.length(); i++) {

			char c = x.charAt(i);

			if (garbage && c == '!')
				i++;
			else if (garbage && c != '>')
				count++;
			else if (c == '<')
				garbage = true;
			else if (c == '>')
				garbage = false;
			else if (c == '{')
				score += ++depth;
			else if (c == '}')
				depth--;
		}

		System.out.println("Score: " + score);
		System.out.println("P2: " + count);
	}