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AoC 2020 Day04 Dyalog APL
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| 'segs'⎕CY'dfns' | |
| DAY04←↑,/¨{data⊂⍨1,2≠/⍵}0≠≢¨data←' :'∘segs¨⊃⎕NGET'4'1 | |
| eyr←(2020∘≤∧≤∘2030)⍎ | |
| iyr←(2010∘≤∧≤∘2020)⍎ | |
| byr←(1920∘≤∧≤∘2002)⍎ | |
| ecl←'amb' 'blu' 'brn' 'gry' 'grn' 'hzl' 'oth'∊⍨⊂ | |
| pid←≢'^\d{9}$'⎕S'' | |
| hcl←≢'^#[a-f0-9]{6}$'⎕S'' | |
| cid←{1} | |
| hgt←≢'^(((59|6[0-9]|7[0-6])in)|((1[5-8][0-9]|19[0-3])cm))$'⎕S'' | |
| part1←'byr' 'iyr' 'eyr' 'hgt' 'hcl' 'ecl' 'pid'∘(∧/∊)¨pp←(0≠≢¨DAY04)/DAY04 | |
| ⍝ part2←{∧/⍎¨{⍺,' ','''',⍕⍵,''''}/(2÷⍨≢⍵) 2⍴⍵}¨part1/pp | |
| part2←{∧/{(⍎⍺)⍵}/(2÷⍨≢⍵)2⍴⍵}¨part1/pp ⍝ From Jay Foad's suggestion below | |
| ⊢result←+/¨part1 part2 | |
| assert 256 198≡result |
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Simpler:
part2←{∧/{(⍎⍺)⍵}/(2÷⍨≢⍵)2⍴⍵}¨part1/pp