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adventofcode2021.bqn
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| p ← •BQN ¨ •file.Lines ⊑ •args | |
| T1 ← +´1↓»⊸< | |
| T2 ← +´˘3↕⊢ | |
| •Show T1 p | |
| •Show T1∘T2 p |
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| val ← ⊐⟜' '⊸(↑⋈1↓↓)¨•Flines "ex-1.txt" | |
| mov ← "forward"‿"down"‿"up"⊐(0⊑¨val) | |
| amt ← •BQN¨1⊑¨val | |
| •Show (×´+´) amt × mov ⊏ ⟨1‿0, 0‿1, 0‿¯1⟩ | |
| F ← +´0⊑¨⊢ | |
| D ← +´(1⊑¨⊢)×(+`2⊑¨⊢) | |
| •Show (F×D) amt × mov ⊏ ⟨1‿1‿0, 0‿0‿1, 0‿0‿¯1⟩ |
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| val ← ∾˘'1'=¨ •Flines "problem-01.txt" | |
| Len ← {1⊣´≢𝕩} | |
| Base2 ← +⟜(2⊸×)´∘⌽ | |
| n ← Base2 ((Len val)÷2) < +´<˘val | |
| m ← Base2 ((Len val)÷2) > +´<˘val | |
| •Show n × m | |
| OGR ← ⥊∘{x←𝕨⊑˘𝕩 ⋄ i←(0.5≤(+´x÷(Len 𝕩))) ⋄ (𝕨+1) {1<(Len 𝕩)}◶⊢‿𝕊 ((i⊑(⊔x))⊏𝕩)} | |
| CSR ← ⥊∘{x←𝕨⊑˘𝕩 ⋄ i←(0.5>(+´x÷(Len 𝕩))) ⋄ (𝕨+1) {1<(Len 𝕩)}◶⊢‿𝕊 ((i⊑(⊔x))⊏𝕩)} | |
| •Show (Base2 ∘ OGR val) × (Base2 ∘ CSR val) |
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