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authorJune McEnroe <june@causal.agency>2020-12-01 00:15:05 -0500
committerJune McEnroe <june@causal.agency>2020-12-01 00:15:05 -0500
commit6036beda8ceae3eb9d2906b2096c7b7c6a1d03ec (patch)
treefdd76453ad7dd9d492a2d2166d437332c0b42522
parentSolve day 10 part 2 (diff)
downloadaoc-6036beda8ceae3eb9d2906b2096c7b7c6a1d03ec.tar.gz
aoc-6036beda8ceae3eb9d2906b2096c7b7c6a1d03ec.zip
Solve day 1 part 1
-rw-r--r--2020/day01-1.sh11
1 files changed, 11 insertions, 0 deletions
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