From e1623ac0fa2967d1871b0f3a9fe341024194754d Mon Sep 17 00:00:00 2001
From: LordBaryhobal <lordbaryhobal@gmail.com>
Date: Mon, 1 Dec 2025 12:08:44 +0100
Subject: [PATCH] feat: solve day 1 puzzle 2

---
 README.md             |  4 ++--
 res/stats.json        |  2 +-
 src/day01/puzzle2.lua | 26 +++++++++++++++++++++++++-
 3 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 4139e83..6e0b386 100644
--- a/README.md
+++ b/README.md
@@ -8,10 +8,10 @@ This project can also be run using the amazing [CraftOS-PC emulator](https://git
 ## Progress
 
 <!-- calendar-start -->
-#### Stars: 1/24
+#### Stars: 2/24
 
 |Mon|Tue|Wed|Thu|Fri|Sat|Sun|
 |:-:|:-:|:-:|:-:|:-:|:-:|:-:|
-|1<br>:star:|2<br>|3<br>|4<br>|5<br>|6<br>|7<br>|
+|1<br>:star::star:|2<br>|3<br>|4<br>|5<br>|6<br>|7<br>|
 |8<br>|9<br>|10<br>|11<br>|12<br>|||
 <!-- calendar-end -->
diff --git a/res/stats.json b/res/stats.json
index f9e3c2d..08df9c6 100644
--- a/res/stats.json
+++ b/res/stats.json
@@ -1,7 +1,7 @@
 {
     "day01": {
         "puzzle1": true,
-        "puzzle2": false
+        "puzzle2": true
     },
     "day02": {
         "puzzle1": false,
diff --git a/src/day01/puzzle2.lua b/src/day01/puzzle2.lua
index 2f4bc9a..87e2c2b 100644
--- a/src/day01/puzzle2.lua
+++ b/src/day01/puzzle2.lua
@@ -1,7 +1,31 @@
+local utils = require "utils"
 local puzzle2 = {}
 
 function puzzle2.solve(input)
-    return 0
+    local password = 0
+    local cursor = 50
+    
+    local lines = utils.splitLines(input)
+    for _, line in ipairs(lines) do
+        local dir = line:sub(1, 1)
+        local dist = tonumber(line:sub(2))
+        if dir == "R" then
+            cursor = cursor + dist
+            if cursor > 99 then
+                password = password + math.floor(cursor / 100)
+            end
+        else
+            cursor = cursor - dist
+            if cursor <= 0 then
+                if cursor ~= -dist then
+                    password = password + 1
+                end
+                password = password + math.floor(-cursor / 100)
+            end
+        end
+        cursor = cursor % 100
+    end
+    return password
 end
 
 return puzzle2