25 lines
605 B
Nim
25 lines
605 B
Nim
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import std/strutils
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import std/sequtils
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proc run06_2(): string =
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const input = staticRead"../input/day06.txt"
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let chars = input.toSeq()
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let idarr = (0 .. len(chars) - 14 - 1)
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.toSeq()
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.filter(proc(it: int):bool = chars[it .. it+ 3].deduplicate().len() == 4 )
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.filter(proc(it: int):bool = chars[it .. it+13].deduplicate().len() == 14 )
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#echo ""
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#echo idarr
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#echo ""
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return intToStr(idarr[0] + 14)
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when not defined(js):
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echo run06_2()
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else:
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proc js_run06_2(): cstring {.exportc.} =
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return cstring(run06_2())
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