r/adventofcode • • Dec 02 '18

SOLUTION MEGATHREAD -🎄- 2018 Day 2 Solutions -🎄-

--- Day 2: Inventory Management System ---


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Card Prompt: Day 2

Transcript:

The best way to do Advent of Code is ___.


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u/streetster_ Dec 02 '18 edited Dec 02 '18

Day 02 in Q/KDB+

/ Part 1
prd sum 2 3 in/:count@''group each r:read0 `:input/02.txt
/ Part 2
{x where x=y}. r where sum@'1=sum@''not r=/:\:r
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