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xpqz/day02-ug.dyalog

Last active December 2, 2020 15:59
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day02-ug.dyalog
DAY02←⍎¨@1 2¨'- :'∘segs¨⊃⎕NGET'data/2020/day02.txt'1
Part1←{
(min max letter string)←⍵
count←+/letter=string
(min∘≤∧≤∘max) count
}
Part2←{
(min max letter string)←⍵ ⍝ De-structure
⊃(letter=min⊃string)≠(letter=max⊃string) ⍝ Pick the values, and XOR
}
+/Part1¨DAY02
+/Part2¨DAY02
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