52 lines
1.1 KiB
Nim
52 lines
1.1 KiB
Nim
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import lib/loader
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proc toSet(s: string): set[char] =
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for c in s:
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result = result + {c}
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proc answersIncl(data: seq[string]): seq[set[char]] =
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var s: set[char]
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for line in data:
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if line.len > 0:
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s = s + line.toSet()
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else:
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result.add(s)
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s = {}
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if s.len > 0: # in case of trailing newline
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result.add(s)
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proc answersExcl(data: seq[string]): seq[set[char]] =
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var s: set[char]
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var first = true
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for line in data:
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if first:
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s = line.toSet()
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first = false
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elif line.len > 0:
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s = s * line.toSet()
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else:
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result.add(s)
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s = {}
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first = true
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if s.len > 0:
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result.add(s)
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proc partOne(data: seq[string]): int =
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for group in answersIncl(data):
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result += group.len
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proc partTwo(data: seq[string]): int =
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for group in answersExcl(data):
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result += group.len
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when isMainModule:
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let data = loadStrings(6)
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echo "One: ", partOne(data)
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echo "Two: ", partTwo(data)
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