Beispiel #1
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 public int SolvePart2(IEnumerable <string> input) => Records.Collate(input, " ").Select(CountCommonCharsInEachSequence).Sum();
Beispiel #2
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 public int SolvePart1(IEnumerable <string> input) => Records.Collate(input, " ").Select(CountUniqueCharsExcludingSpaces).Sum();