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path: root/2020/day01-2.sh
blob: 6f264377da7df24bfcd229a56359cf82641d4f0a (plain) (blame)
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#!/bin/sh
set -eu
entries=$(cat)
for i in $entries; do
	for j in $entries; do
		for k in $entries; do
			if [ $((i+j+k)) -eq 2020 ]; then
				echo $((i*j*k))
				exit
			fi
		done
	done
done