diff options
Diffstat (limited to '2017/01/puzzle-1.sh')
| -rwxr-xr-x | 2017/01/puzzle-1.sh | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/2017/01/puzzle-1.sh b/2017/01/puzzle-1.sh new file mode 100755 index 0000000..2659fae --- /dev/null +++ b/2017/01/puzzle-1.sh @@ -0,0 +1,11 @@ +#!/usr/bin/env sh + +sed ' +:l +s/\(.\)\1/<\1>\1/g +tl +s/^\(.\)\(.*\)\1$/<\1>\2/ +s/>[0-9]*</+/g +s/^[0-9]*<// +s/>[0-9]*$// +' input | bc |