From 43c466038b43caee12014175ceaa2ab67862e9a2 Mon Sep 17 00:00:00 2001
From: Peter Tillemans <pti@snamellit.com>
Date: Fri, 20 Dec 2024 06:04:19 +0100
Subject: [PATCH] start day20

---
 aoc.asd                    |  2 ++
 src/2024/day20.lisp        | 42 ++++++++++++++++++++++++++++++++++++++
 tests/2024/day20-test.lisp | 27 ++++++++++++++++++++++++
 3 files changed, 71 insertions(+)
 create mode 100644 src/2024/day20.lisp
 create mode 100644 tests/2024/day20-test.lisp

diff --git a/aoc.asd b/aoc.asd
index 4e0d649..9e3e6c2 100644
--- a/aoc.asd
+++ b/aoc.asd
@@ -48,6 +48,7 @@
 		 (:file "2024/day17")
 		 (:file "2024/day18")
 		 (:file "2024/day19")
+		 (:file "2024/day20")
 		 )))
   :description "Advent of Code challenges and solutions."
   :long-description "Solutions for the AOC challenges."
@@ -83,6 +84,7 @@
 		 (:file "2024/day17-test")
 		 (:file "2024/day18-test")
 		 (:file "2024/day19-test")
+		 (:file "2024/day20-test")
 		 )))
   :description "Test system for aoc"
   :perform (test-op (op c) (symbol-call :parachute :test :aoc/tests)))
diff --git a/src/2024/day20.lisp b/src/2024/day20.lisp
new file mode 100644
index 0000000..9ce7ea4
--- /dev/null
+++ b/src/2024/day20.lisp
@@ -0,0 +1,42 @@
+
+(defpackage :aoc/2024/20
+  (:use :cl :aoc :alexandria :trivia :lla)
+  (:export
+   #:sample-data
+   #:sample-data2
+   #:part1
+   #:part2
+   ))
+
+(in-package :aoc/2024/20)
+
+
+(defun parse-line (line)
+  line)
+
+
+(defun parse-input (lines)
+  (mapcar #'parse-line lines))
+
+(defparameter input-text (test-input 2024 20))
+(defparameter input-data (parse-input input-text))
+
+(defparameter sample-text (aoc:split-lines ""))
+(defparameter sample-data 
+              (parse-input sample-text))
+
+(defun part1 (data)
+  (length data))
+
+(defun part2 (data)
+  (length data))
+
+(defun solve-day ()
+  (format t "part1: ~A~%" (part1 input-data))
+  (format t "part2: ~A~%" (part2 input-data)))
+
+(defun submit ()
+  (let ((p1 (part1 input-data))
+        (p2 (part2 input-data)))
+    (if p1 (submit-part1 2024 20 p1))
+    (if p2 (submit-part2 2024 20 p2))))
diff --git a/tests/2024/day20-test.lisp b/tests/2024/day20-test.lisp
new file mode 100644
index 0000000..f7652c6
--- /dev/null
+++ b/tests/2024/day20-test.lisp
@@ -0,0 +1,27 @@
+(defpackage :aoc/2024/20/tests
+            (:use :cl :aoc :aoc/tests :aoc/2024/tests :parachute :aoc/2024/20))
+
+(in-package :aoc/2024/20/tests)
+
+(define-test suite-2024-20
+                                        ;:parent suite-2024
+             )
+
+(define-test test-foo
+             :parent suite-2024-20
+             ) 
+
+
+(define-test test-bar
+             :parent suite-2024-20
+             )
+
+
+
+(define-test+run test-part1
+                 :parent suite-2024-20
+                 (is equal nil (part1 sample-data)))
+
+(define-test+run test-part2
+                 :parent suite-2024-20
+                 (is equal nil (part2 sample-data)))