diff options
Diffstat (limited to 'day01.ijs')
-rw-r--r-- | day01.ijs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/day01.ijs b/day01.ijs new file mode 100644 index 0000000..697d9dd --- /dev/null +++ b/day01.ijs @@ -0,0 +1,8 @@ +load 'aoc.ijs' +d =: nums 'day01' + +*/ {: (#"1~ 2020&=@:(+/)) |:,/,"0/~ d NB. 805731 +([ * 2020 - [) (<./ (i. (2020&-)) d) { d NB. bit faster +*/2{.d/:(2020-d)i.d NB. shortest + +*/ {:"1 (#"1~ 2020&=@:(+/)) |: d {~ ((#: i.@(*/)) 3 ## d) NB. 192684960 |