From 041a4259de818e312c98e0afbeadbac43a05ae69 Mon Sep 17 00:00:00 2001
From: hal8174 <henning.lindemann@pm.me>
Date: Fri, 6 Dec 2024 15:56:12 +0100
Subject: [PATCH] Fix bug in day 6

---
 src/bin/06.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/bin/06.rs b/src/bin/06.rs
index 7589294..d729be4 100644
--- a/src/bin/06.rs
+++ b/src/bin/06.rs
@@ -13,7 +13,7 @@ fn find_loop(mut pos: (usize, usize), mut dir: usize, map: &[Vec<bool>]) -> bool
             .filter(|&x| x < map[0].len()),
         pos.1
             .checked_add_signed(DIR_MAP[dir].1)
-            .filter(|&y| y < map[0].len()),
+            .filter(|&y| y < map.len()),
     ) {
         visited.insert((pos, dir));
         if map[next_pos.1][next_pos.0] {
@@ -66,7 +66,7 @@ fn main() {
             .filter(|&x| x < map[0].len()),
         pos.1
             .checked_add_signed(DIR_MAP[dir].1)
-            .filter(|&y| y < map[0].len()),
+            .filter(|&y| y < map.len()),
     ) {
         if map[next_pos.1][next_pos.0] {
             dir = (dir + 1) % 4;
@@ -81,7 +81,7 @@ fn main() {
     let mut count = 0;
     for y in 0..map.len() {
         for x in 0..map[0].len() {
-            if !map[y][x] {
+            if !map[y][x] && (x, y) != start_pos {
                 map[y][x] = true;
                 if find_loop(start_pos, 0, &map) {
                     count += 1;