Moved 2020 to a subdir

[aoc.git] / 2020 / 9-golf.pl

diff --git a/2020/9-golf.pl b/2020/9-golf.pl
new file mode 100644 (file)
index 0000000..d941993
--- /dev/null
+++ b/2020/9-golf.pl
@@ -0,0 +1 @@
+perl -lnE 'y/FBRL/0110/;$x=$_ if$x<$_}{say oct"0b$x"'