Paste: AOC day 6

Author: chunes
Mode: factor
Date: Sun, 6 Dec 2020 13:35:29
Plain Text | 
USING: io.encodings.ascii io.files kernel literals prettyprint
regexp sequences sets splitting ;

"input.txt" ascii file-lines { "" } split dup
[ combine length ] map-sum .
[ intersection length ] map-sum .

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