48 lines
995 B
Nim
48 lines
995 B
Nim
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import std/[strutils]
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import lib/loader
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type
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PasswordItem = object
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min: int
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max: int
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letter: char
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pwd: string
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var data: seq[PasswordItem]
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for line in loadStrings(2):
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let parts = line.split()
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let minmax = parts[0].split('-')
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let item = PasswordItem(
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min: parseInt(minmax[0]),
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max: parseInt(minmax[1]),
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letter: parts[1].strip(chars = {':'})[0],
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pwd: parts[2]
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)
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data.add(item)
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proc partOne() =
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var total = 0
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for item in data:
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let c = item.pwd.count(item.letter)
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if c >= item.min and c <= item.max:
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total += 1
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echo "One: ", total
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proc partTwo() =
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var total = 0
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for item in data:
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let first = (item.pwd[item.min - 1] == item.letter)
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let last = (item.pwd[item.max - 1] == item.letter)
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if (first and not last) or (last and not first):
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total += 1
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echo "Two: ", total
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when isMainModule:
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partOne()
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partTwo()
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