diff options
Diffstat (limited to '2021')
| -rw-r--r-- | 2021/2.in | 1000 | ||||
| -rwxr-xr-x | 2021/2.sh | 15 |
2 files changed, 1015 insertions, 0 deletions
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b/2021/2.sh @@ -0,0 +1,15 @@ +#!/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 |