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| author | Thomas Voss <thomasvoss@live.com> | 2021-10-29 23:02:39 +0200 |
|---|---|---|
| committer | Thomas Voss <thomasvoss@live.com> | 2021-10-29 23:02:39 +0200 |
| commit | e7c9108b95e39d7ea5a29ae06d619c4727f11027 (patch) | |
| tree | 237261eef3afd0720be77dbcbb9599fa66a24b67 /2020/10/puzzle-1.sh | |
Initial commit
Diffstat (limited to '2020/10/puzzle-1.sh')
| -rwxr-xr-x | 2020/10/puzzle-1.sh | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/2020/10/puzzle-1.sh b/2020/10/puzzle-1.sh new file mode 100755 index 0000000..f31af02 --- /dev/null +++ b/2020/10/puzzle-1.sh @@ -0,0 +1,7 @@ +#!/usr/bin/env sh + +sort -n input | awk ' +BEGIN { o = t = 1 } +NR > 1 { if ($0 - prev == 1) o++; else if ($0 - prev == 3) t++; } + { prev = $0 } +END { print o * t }' |