From ee819d1362b19e5abb3bbd075dce1f7a6c3fc550 Mon Sep 17 00:00:00 2001
From: Danila Fedorin <danila.fedorin@gmail.com>
Date: Wed, 23 Dec 2020 21:46:46 -0800
Subject: [PATCH] Add day 3 solution in J.

---
 day3.ijs | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 day3.ijs

diff --git a/day3.ijs b/day3.ijs
new file mode 100644
index 0000000..d9ee4bb
--- /dev/null
+++ b/day3.ijs
@@ -0,0 +1,5 @@
+r =: > cutopen 1!:1 < jpath '~/projects/AoC/2020/year2020day3.txt.cache'
+rn =: 4 : '+/''#''=((#|:y)|x*i.#y){"0 1 y'
+rnx =: 3 : '(1{y) rn 0{"2((0{-y)]\r)'
+rnx 1 3
+*/ rnx"1 (_2 [\ 1 1 1 3 1 5 1 7 2 1)