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authorsterni <sternenseemann@systemli.org>2022-12-06T08·39+0100
committerclbot <clbot@tvl.fyi>2022-12-06T14·45+0000
commit17e0a74e7b8eda6cdaeb0a6240738eb32356fcb1 (patch)
tree412e4cf4fc12b9370648c10556ed67b3c6e36829 /users/sterni/exercises
parentefbac0813c6bfb17e6620bc4a8f52eb94812bb92 (diff)
refactor(sterni/aoc/2022/05): improve parsing a bit r/5395
By taking advantage of filling (ironically) we can avoid creating a spec
in an ugly way. Additionally we transpose before parsing which doesn't
really make all that much of a difference, though.

Change-Id: Ida593138654f8367d666447f2b62013e8ddff01e
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7535
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'users/sterni/exercises')
-rw-r--r--users/sterni/exercises/aoc/2022/05/5.bqn3
1 files changed, 1 insertions, 2 deletions
diff --git a/users/sterni/exercises/aoc/2022/05/5.bqn b/users/sterni/exercises/aoc/2022/05/5.bqn
index bca18c1f63c2..b3d190b9fc77 100644
--- a/users/sterni/exercises/aoc/2022/05/5.bqn
+++ b/users/sterni/exercises/aoc/2022/05/5.bqn
@@ -3,8 +3,7 @@ rs‿rc ← (<"") SplitOn •FLines "../05/input"
 
 stacks ← {
   count ← '0'-˜⊑⌽' ' (≠/⊢) ⊑⌽rs
-  spec ← 0<(-1)↓(-1)⌽∾(∾⟜0‿0‿0)¨1+↕count
-  ' ' (≠/⊢)¨⥊⋈˘⍉>spec⊸/¨(-1)↓rs
+  ' ' (≠/⊢)¨⥊⋈˘ (count×4) ((»∘(0⊸=)∘(4⊸|)∘↕⊣)/↑) ⍉> (-1)↓rs
 }
 
 cmds ← {0‿1‿1-˜ ReadDec¨ ((∧´IsAsciiNum)¨/⊢) (<' ') SplitOn 𝕩}¨ rc