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| author | Leah Neukirchen <leah@vuxu.org> | 2020-12-14 20:28:30 +0100 |
|---|---|---|
| committer | Leah Neukirchen <leah@vuxu.org> | 2020-12-14 20:28:30 +0100 |
| commit | d58d88e5c3563e50897a3c7b1cbd16b6e3ed38c9 (patch) | |
| tree | 6ff63e7bd4ce7875d6e1eac9048252e2c5c7b059 /day13.ijs | |
| parent | fe08bce34f4c4839d56cbb14c4132df68d92b733 (diff) | |
| download | adventofcode2020-d58d88e5c3563e50897a3c7b1cbd16b6e3ed38c9.tar.gz adventofcode2020-d58d88e5c3563e50897a3c7b1cbd16b6e3ed38c9.tar.xz adventofcode2020-d58d88e5c3563e50897a3c7b1cbd16b6e3ed38c9.zip | |
day13
Diffstat (limited to 'day13.ijs')
| -rw-r--r-- | day13.ijs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/day13.ijs b/day13.ijs new file mode 100644 index 0000000..9accec0 --- /dev/null +++ b/day13.ijs @@ -0,0 +1,9 @@ +load 'aoc.ijs' +'t oy' =: lines 'day13' +x =: 0 +y =: 0 -.~ oy =: x: ".&> (<;._1 ',',oy) + +(n{y)*v{~n=.{./:v=.y-y|".t NB. 2298 + +minv =: ]|(^-&2x) NB. x assumed prime +(*/y)|+/(-oy i. y)*((*/%])([*minv)])y NB. 783685719679632 |