diff options
Diffstat (limited to '2021/10/puzzle-2.sed')
| -rw-r--r-- | 2021/10/puzzle-2.sed | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/2021/10/puzzle-2.sed b/2021/10/puzzle-2.sed new file mode 100644 index 0000000..887386c --- /dev/null +++ b/2021/10/puzzle-2.sed @@ -0,0 +1,18 @@ +:top +s/()// +s/\[\]// +s/{}// +s/<>// +t top + +/[])}>]/d + +:loop +s/\([(\[{<]*\)($/s = s * 5 + 1;\1/ +s/\([(\[{<]*\)\[$/s = s * 5 + 2;\1/ +s/\([(\[{<]*\){$/s = s * 5 + 3;\1/ +s/\([(\[{<]*\)<$/s = s * 5 + 4;\1/ +t loop + +s/^/s = 0;/ +s/$/s/ |