From 6036beda8ceae3eb9d2906b2096c7b7c6a1d03ec Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Tue, 1 Dec 2020 00:15:05 -0500
Subject: Solve day 1 part 1

---
 2020/day01-1.sh | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 2020/day01-1.sh

(limited to '2020')

diff --git a/2020/day01-1.sh b/2020/day01-1.sh
new file mode 100644
index 0000000..030d523
--- /dev/null
+++ b/2020/day01-1.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+set -eu
+entries=$(cat)
+for i in $entries; do
+	for j in $entries; do
+		if [ $((i+j)) -eq 2020 ]; then
+			echo $((i*j))
+			exit
+		fi
+	done
+done
-- 
cgit 1.4.1