From 4e8b636d2fbca7fcf7b041e7cdc89d3b862cc313 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Wed, 23 Dec 2020 21:47:05 -0800
Subject: [PATCH] Add day 1 and 2 solutions in J.

---
 day1.ijs | 3 +++
 day2.ijs | 6 ++++++
 2 files changed, 9 insertions(+)
 create mode 100644 day1.ijs
 create mode 100644 day2.ijs

diff --git a/day1.ijs b/day1.ijs
new file mode 100644
index 0000000..099f832
--- /dev/null
+++ b/day1.ijs
@@ -0,0 +1,3 @@
+c =. > 0 ". each cutopen 1!:1 < jpath '~/projects/AoC/2020/year2020day1.txt.cache'
+>./,(c*/c)*2020=c+/c
+>./,(c*/c*/c)*2020=c+/c+/c
diff --git a/day2.ijs b/day2.ijs
new file mode 100644
index 0000000..484263f
--- /dev/null
+++ b/day2.ijs
@@ -0,0 +1,6 @@
+r =: >"1 cut each cutopen 1!:1 < jpath '~/projects/AoC/2020/year2020day2.txt.cache'
+rs =: >0".each'-'cut"1>(0}"1 r)
+cs =: 0{"1>1{"1 r
+ss =: 2{"1 r
++/1>**/|:rs-+/"1 cs=>ss
++/1=+/|:(rs-1){"1 cs=>ss