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authorsterni <sternenseemann@systemli.org>2022-12-07T19·13+0100
committerclbot <clbot@tvl.fyi>2022-12-10T15·22+0000
commit1649799cb7b9c10d3f98f7fdbb9423c6dd057413 (patch)
treef47ec1048ad3f6c53be0853e4d921afdeaef6e89 /users/sterni/exercises/aoc/2022
parent2afcbbc451f26e8af83b36ba1c51e68d4763c45f (diff)
feat(sterni/aoc/2022): day08 BQN solution r/5400
Added utility used to be related, but got dropped in a refactor.

Change-Id: I1f88973d6b42f1302b49cd61c53e4cd1e15b8c6f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/7553
Autosubmit: sterni <sternenseemann@systemli.org>
Reviewed-by: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
Diffstat (limited to 'users/sterni/exercises/aoc/2022')
-rw-r--r--users/sterni/exercises/aoc/2022/08/8.bqn15
1 files changed, 15 insertions, 0 deletions
diff --git a/users/sterni/exercises/aoc/2022/08/8.bqn b/users/sterni/exercises/aoc/2022/08/8.bqn
new file mode 100644
index 000000000000..91a16d9573c9
--- /dev/null
+++ b/users/sterni/exercises/aoc/2022/08/8.bqn
@@ -0,0 +1,15 @@
+i ← >'0'-˜•FLines "input"
+Visible ← {
+  _vis ← {(⌈`∘(¯1⊸»˘⌾⍉)<⊢)⌾𝕏 𝕗}
+  ∨´𝕩 _vis¨ ⟨⊢,⌽,⍉,⌽⍉⟩
+}
+
+•Out "day08.1: "∾•Fmt +´⥊Visible i
+
+ViewingDistances ← {
+  DirView ← {≠1(»⟜(∧`(⊑𝕩)⊸>)/⊢) 1↓𝕩}
+  _spliceDir ← {! =´≢𝕗 ⋄ 𝕏⁼(⊢↓(⊏⟜(𝕏𝕗))∘⊣)´¨ ⋈⌜˜↕≠𝕗}
+  ×´ DirView¨¨ 𝕩 _spliceDir¨ ⟨⊢, ⌽˘, ⍉, ⌽˘⍉⟩
+}
+
+•Out "day08.2: "∾•Fmt ⌈´⥊ViewingDistances i