From c381fa64cf9d375290c76436faf1078bc8d81ff7 Mon Sep 17 00:00:00 2001 From: sterni Date: Sat, 10 Dec 2022 21:24:06 +0100 Subject: feat(sterni/aoc/2022): day10 BQN solution I cheated a bit to skip implementing multi cycle instructions. The VM is pretty much a normal tail recursive function, but working with scalars in BQN is on brand-ish. Array programming helps again when drawing the picture on screen. Change-Id: I2562c862e228f633c5fad09e503529c6e0785112 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7556 Tested-by: BuildkiteCI Reviewed-by: sterni Autosubmit: sterni --- users/sterni/exercises/aoc/lib.bqn | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'users/sterni/exercises/aoc/lib.bqn') diff --git a/users/sterni/exercises/aoc/lib.bqn b/users/sterni/exercises/aoc/lib.bqn index 636eeace78d2..172343b41979 100644 --- a/users/sterni/exercises/aoc/lib.bqn +++ b/users/sterni/exercises/aoc/lib.bqn @@ -1,6 +1,10 @@ IsAsciiNum ⇐ ('0'⊸≤∧≤⟜'9') -ReadInt ⇐ {(𝕨⊸×+⊣)´∘⌽-⟜'0'𝕩} # stolen from leah2 +# based on leah2's function +ReadInt ⇐ { + 𝕨 𝕊 𝕩: '-'=⊑𝕩? -𝕨 𝕊 1↓𝕩; + 𝕨 𝕊 𝕩: (𝕨⊸×+⊣)´∘⌽-⟜'0'𝕩 +} ReadDec ⇐ 10⊸ReadInt SplitOn ⇐ ((⊢ (-1˙)⍟⊣¨ +`∘(1⊸»<⊢))∘(≡¨)⊔⊢) -- cgit 1.4.1