diff --git a/README.md b/README.md
index b8a2aad..4139e83 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
-#### Stars: 0/24
+#### Stars: 1/24
|Mon|Tue|Wed|Thu|Fri|Sat|Sun|
|:-:|:-:|:-:|:-:|:-:|:-:|:-:|
-|1
|2
|3
|4
|5
|6
|7
|
+|1
:star:|2
|3
|4
|5
|6
|7
|
|8
|9
|10
|11
|12
|||
diff --git a/res/examples/day01.txt b/res/examples/day01.txt
new file mode 100644
index 0000000..d03fad7
--- /dev/null
+++ b/res/examples/day01.txt
@@ -0,0 +1,10 @@
+L68
+L30
+R48
+L5
+R60
+L55
+L1
+L99
+R14
+L82
\ No newline at end of file
diff --git a/res/stats.json b/res/stats.json
index 005fcf1..f9e3c2d 100644
--- a/res/stats.json
+++ b/res/stats.json
@@ -1,6 +1,6 @@
{
"day01": {
- "puzzle1": false,
+ "puzzle1": true,
"puzzle2": false
},
"day02": {
diff --git a/src/day01/puzzle1.lua b/src/day01/puzzle1.lua
new file mode 100644
index 0000000..f78927d
--- /dev/null
+++ b/src/day01/puzzle1.lua
@@ -0,0 +1,25 @@
+local utils = require "utils"
+local puzzle1 = {}
+
+function puzzle1.solve(input)
+ 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
+ else
+ cursor = cursor - dist
+ end
+ cursor = cursor % 100
+ if cursor == 0 then
+ password = password + 1
+ end
+ end
+ return password
+end
+
+return puzzle1
diff --git a/src/day01/puzzle2.lua b/src/day01/puzzle2.lua
new file mode 100644
index 0000000..2f4bc9a
--- /dev/null
+++ b/src/day01/puzzle2.lua
@@ -0,0 +1,7 @@
+local puzzle2 = {}
+
+function puzzle2.solve(input)
+ return 0
+end
+
+return puzzle2