dimitri/advent-of-code
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Dimitri Lozeve 2024-11-12 21:43:32 +01:00
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2019/day02/day02.dyalog Normal file
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⎕io←0
p←⍎¨','(≠⊆⊢)⊃⊃⎕nget'input.txt'1
f←{i←0 ⊣ s[1 2]←⍵ ⊣ s←p ⋄ ⊃s⊣{i+←4 ⊣ a x y z←s[i+⍳4] ⋄ s[z]←(a-1)⌷s[x](+,×)s[y]}⍣{99=i⌷s}0}
f 12 2 ⍝ part 1
nv←1+,⍳99 99 ⋄ +/100 1×⊃nv[(19690720=f¨nv)⍳1] ⍝ part 2