dimitri/advent-of-code
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Dimitri Lozeve 2024-11-12 21:43:32 +01:00
commit f242d2b0df
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2023/day03/day03.bqn Normal file
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digits←'0'+↕10
n‿m←≢input←>•FLines"input"
sympos←⍉>m(⌊∘÷˜⋈|)/⥊¬input∊digits∾'.'
digpos←(0≠≠)¨⊸/ <˘¨{+`1⊸<|+´˘+`⁼𝕩}⊸⊔ ⍉>m(⌊∘÷˜⋈|)/⥊input∊digits
near←{∨´⥊1⊸=⌈´¨|¨(<˘sympos)-⌜𝕩}¨digpos
nums←•ParseFloat¨⊑⟜input¨digpos
•Show +´near/nums
gearpos←<˘⍉>m(⌊∘÷˜⋈|)/⥊input='*'
nearnums←{(1=⌈´¨⌊´¨|¨¨𝕩⊸-¨¨digpos)/nums}¨gearpos
•Show +´×´¨(2=≠)¨⊸/nearnums