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author | Leah Neukirchen <leah@vuxu.org> | 2020-12-02 13:34:36 +0100 |
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committer | Leah Neukirchen <leah@vuxu.org> | 2020-12-02 13:34:36 +0100 |
commit | 4fcb892b97f7bbdba4c2a873e4493a00722ef40e (patch) | |
tree | 9a4ef2178491784c57aebc7046eedcad1ebc80cc /day01.ijs | |
parent | 68f50ebf838f4c1e2764d65db5ce606cf101eaf3 (diff) | |
download | adventofcode2020-4fcb892b97f7bbdba4c2a873e4493a00722ef40e.tar.gz adventofcode2020-4fcb892b97f7bbdba4c2a873e4493a00722ef40e.tar.xz adventofcode2020-4fcb892b97f7bbdba4c2a873e4493a00722ef40e.zip |
day01
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 |