blob: 360b5fca4b145c40c8ff57e558a98ace8e4ada01 (
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#!/usr/bin/env bash
{
echo 'h=0'
echo 'd=0'
cat 2.in | sed 's/forward/h+=/; s/down/d+=/; s/up/d-=/; s/^/: $((/; s/$/))/'
echo 'echo $((h * d))'
} | bash
{
echo 'h=0'
echo 'a=0'
echo 'd=0'
cat 2.in | sed 's/forward \(.*\)/: $((h+=\1)) $((d+=a*\1))/; s/down \(.*\)/: $((a+=\1))/; s/up \(.*\)/: $((a-=\1))/'
echo 'echo $((h * d))'
} | bash
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