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rhowe/1-2.sh

Created February 20, 2020 17:14
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AOC2019day1part2
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1-2.sh
#!/bin/sh
set -eu
total=0
while read -r val; do
xtra=$((val / 3 - 2))
while [ "$xtra" -gt 0 ]; do
total=$((total + xtra))
xtra=$((xtra / 3 - 2))
done
done
echo $total
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