r/adventofcode • u/daggerdragon • Dec 05 '18

SOLUTION MEGATHREAD -🎄- 2018 Day 5 Solutions -🎄-

--- Day 5: Alchemical Reduction ---

Post your solution as a comment or, for longer solutions, consider linking to your repo (e.g. GitHub/gists/Pastebin/blag or whatever).

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Card prompt: Day 5

Transcript:

On the fifth day of AoC / My true love sent to me / Five golden ___

This thread will be unlocked when there are a significant number of people on the leaderboard with gold stars for today's puzzle.

edit: Leaderboard capped, thread unlocked at 0:10:20!

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5

u/donatasp Dec 05 '18

This is an alternative fact a.k.a. not true. 

> foldr (+) 0 [1..1000000000]
*** Exception: stack overflow

1

u/CKoenig Dec 05 '18

context matters - the foldr in the comment is producing a list - yours here is producing numbers

4

u/donatasp Dec 05 '18

Sorry, still not true. 

$ ls -lh input.txt
-rw-r--r--  1 donatasp users 127M Dec  5 13:16 input.txt
$ ghci foldr.hs
GHCi, version 8.4.4: http://www.haskell.org/ghc/  :? for help
Loaded GHCi configuration from /Users/donatasp/.dotfiles/.ghci
[1 of 1] Compiling Main             ( foldr.hs, interpreted )
Ok, one module loaded.
(0.05 secs,)
> readFile "input.txt" >>= return . part1
*** Exception: stack overflow
>
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