From 3da3fbdd855e72bbe8c06d4c61720e5f5e4c9bb4 Mon Sep 17 00:00:00 2001
From: Philippe Zwietering <philippe.zwietering@gmail.com>
Date: Fri, 16 Dec 2022 16:35:11 +0100
Subject: [PATCH] Finished day 9 part 2, only took 5 extra lines of code aw ye

---
 advent_of_code/2022/9/main.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/advent_of_code/2022/9/main.cpp b/advent_of_code/2022/9/main.cpp
index 64fd2a7..1e34a65 100644
--- a/advent_of_code/2022/9/main.cpp
+++ b/advent_of_code/2022/9/main.cpp
@@ -41,6 +41,7 @@ int main(){
     string line;
 
     Coords head(0, 0), tail(0, 0);
+    vector<Coords> body(8, {0,0});
     set<Coords> visited_by_tail;
     visited_by_tail.insert(tail);
 
@@ -61,7 +62,14 @@ int main(){
             } else if(direction == 'D'){
                 head.second--;
             }
-            moveTail(head, tail);
+
+            moveTail(head, body[0]);
+
+            for(size_t i = 0; i < body.size() - 1; ++i){
+                moveTail(body[i], body[i+1]);
+            }
+
+            moveTail(body[7], tail);
             visited_by_tail.insert(tail);
             steps--;