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fxn/aoc_2022_06_part1.nim

Last active December 7, 2022 09:37
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aoc_2022_06_part1.nim
import std/[os,setutils]
const
markerLen = 4
let datastream = readFile(paramStr(1))
for i in 0 .. (high(datastream) - markerLen):
let chunk = datastream[i ..< i + markerLen]
if chunk.toSet.card == markerLen:
echo i + markerLen
break
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