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| author | sterni <sternenseemann@systemli.org> | 2022-12-05T18·50+0100 |
|---|---|---|
| committer | clbot <clbot@tvl.fyi> | 2022-12-05T18·58+0000 |
| commit | 736edce3381c88feb7751427b6cae13c84b57b70 (patch) | |
| tree | 08406d1749f8e94f98c98c83b9bea70913ba9530 /users/sterni/exercises/aoc | |
| parent | 5a41c4c6aa148af716daa77da381bbc318a4a032 (diff) | |
feat(sterni/aoc/2022): day05 BQN solution r/5392
First input that is genuinely fun to parse in BQN. There surely is a nice trick for _ApplyCmd, but this works and I'm unable to think today. Change-Id: Iefccc81f1c1db03f45e31aaf7a1703ac0f91306f Reviewed-on: https://cl.tvl.fyi/c/depot/+/7529 Autosubmit: sterni <sternenseemann@systemli.org> Reviewed-by: sterni <sternenseemann@systemli.org> Tested-by: BuildkiteCI
Diffstat (limited to 'users/sterni/exercises/aoc')
| -rw-r--r-- | users/sterni/exercises/aoc/2022/05/5.bqn | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/users/sterni/exercises/aoc/2022/05/5.bqn b/users/sterni/exercises/aoc/2022/05/5.bqn new file mode 100644 index 000000000000..e65975db9476 --- /dev/null +++ b/users/sterni/exercises/aoc/2022/05/5.bqn @@ -0,0 +1,20 @@ +⟨ReadDec, SplitOn, IsAsciiNum⟩ ← •Import "../../lib.bqn" +rs‿rc ← (<"") SplitOn •FLines "../05/input" + +stacks ← { + count ← '0'-˜⊑⌽' ' (≠/⊢) ⊑⌽rs + spec ← 0<(-1)↓(-1)⌽∾(∾⟜0‿0‿0)¨1+↕count + ' ' (≠/⊢)¨⥊⋈˘⍉>spec⊸/¨(-1)↓rs +} + +cmds ← {0‿1‿1-˜ ReadDec¨ ((∧´IsAsciiNum)¨/⊢) (<' ') SplitOn 𝕩}¨ rc + +ModestTake ← ↑⍟(<⟜≠) +_ApplyCmd ← { + c‿f‿t ← 𝕩 + m ← 𝔽 c ModestTake f⊑𝕨 + (m⊸∾)⌾(t⊸⊑) (c⊸↓)⌾(f⊸⊑)𝕨 +} + +•Out "day05.1: "∾⊑¨stacks ⌽_ApplyCmd˜´ ⌽ cmds +•Out "day05.2: "∾⊑¨stacks ⊢_ApplyCmd˜´ ⌽ cmds |