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Last active December 2, 2020 15:57
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AoC 2020 Day 02, Dyalog APL
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day02.dyalog
⎕IO←1
'segs'⎕CY'dfns'
DAY02←⍎¨@1 2¨'- :'∘segs¨⊃⎕NGET'data/2020/day02.txt'1
+⌿↑{(b t l s)←⍵⋄((b∘≤∧t∘≥)+/l=s)(⊃(l=b⊃s)≠l=t⊃s)}¨DAY02
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