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Add day 1 part 1

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RGBCube 2023-12-01 18:00:08 +03:00
parent 781a8c6669
commit 58850f81a6
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@ -0,0 +1,17 @@
{ lib, input }:
with lib; with builtins; let
lines = splitString "\n" input;
linesChars = map (splitString "") lines;
linesOnlyNumbers = map (filter (char: (match "[0-9]" char) != null)) linesChars;
firstAndLastConcatted = list: (head list) + (last list);
linesNumbers = map firstAndLastConcatted linesOnlyNumbers;
sumOfLinesNumbers = foldl' add 0 (map fromJSON linesNumbers);
result = sumOfLinesNumbers;
in result