sloanelybutsurely/advent-of-code
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solve 2021 day 18

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Sloane Perrault 2022-09-21 09:19:54 -04:00
parent edbe13c0ca
commit 170cf2c38f
2 changed files with 11 additions and 1 deletions
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3
2021/README.md
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@ -16,7 +16,7 @@
| :-: | :-: | :-: | :-: | :-: | :-: | :-: | | :-: | :-: | :-: | :-: | :-: | :-: | :-: |
| | | | [1] | [2] | [3] | [4] | | | | | [1] | [2] | [3] | [4] |
| [5] | [6] | [7] | [8] | [9] | [10] | [11]| | [5] | [6] | [7] | [8] | [9] | [10] | [11]|
| [12]| [13]| [14]| [15] | [16] | [17] | 18 | | [12]| [13]| [14]| [15] | [16] | [17] | [18] |
| 19 | 20 | 21 | 22 | 23 | 24 | 25 | | 19 | 20 | 21 | 22 | 23 | 24 | 25 |
<!-- links --> <!-- links -->
@ -38,3 +38,4 @@
[15]: ./lib/2021/15.ex [15]: ./lib/2021/15.ex
[16]: ./lib/2021/16.ex [16]: ./lib/2021/16.ex
[17]: ./lib/2021/17.ex [17]: ./lib/2021/17.ex
[18]: ./lib/2021/18.ex

9
2021/lib/2021/18.ex
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@ -10,6 +10,15 @@ aoc 2021, 18 do
end end
def p2 do def p2 do
numbers = input() |> Enum.to_list()
for a <- numbers, b <- numbers, a != b do
concat(a, b)
|> reduce()
|> to_lists()
|> magnitude()
end
|> Enum.max()
end end
def magnitude([a, b]) do def magnitude([a, b]) do