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Diffstat (limited to 'day10.rb')
| -rw-r--r-- | day10.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/day10.rb b/day10.rb new file mode 100644 index 0000000..a429aff --- /dev/null +++ b/day10.rb @@ -0,0 +1,13 @@ +def ls(s) + n = "" + s.scan(/(\d)\1*/) { + n << "#{$&.size}#{$1}" + } + n +end + +d = "1113122113" +40.times { d = ls(d) } +p d.size +10.times { d = ls(d) } +p d.size |