Advent-of-Code/AdventOfCode-2020
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Add day 3 solution in J.

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Danila Fedorin 2020-12-23 21:46:46 -08:00
parent 34cb639327
commit ee819d1362
1 changed files with 5 additions and 0 deletions
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day3.ijs Normal file
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r =: > cutopen 1!:1 < jpath '~/projects/AoC/2020/year2020day3.txt.cache'
rn =: 4 : '+/''#''=((#|:y)|x*i.#y){"0 1 y'
rnx =: 3 : '(1{y) rn 0{"2((0{-y)]\r)'
rnx 1 3
*/ rnx"1 (_2 [\ 1 1 1 3 1 5 1 7 2 1)