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0racle/solve.ijs

Last active February 6, 2023 22:24
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Aoc 2019 day 3 in J
Raw
solve.ijs
Parse =. +/\@;@(<@(".@}. # 0j1 ^ 'RDLU' i. {.);._2)@,&','
w =. Parse;._2 fread 'input'
echo <./ +/@:|@+. isects =. (e. # [)/ w
echo <./ +/ >: i.&isects"1 w
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