33 lines
781 B
Nim
33 lines
781 B
Nim
import std/strutils
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import std/sequtils
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proc run03_2(): string =
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const input = staticRead"../input/day03.txt"
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var res = 0
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let lines = splitLines(input).filter(proc(p: string): bool = p != "")
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for lineSet in lines.distribute(int(lines.len/3)):
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let line1 = lineSet[0]
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let line2 = lineSet[1]
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let line3 = lineSet[2]
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let badge = line1.toSeq().filter(proc(p: char): bool = line2.contains(p) and line3.contains(p))[0]
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let prio = if int(badge) >= int('a'): int(badge) - int('a') + 1 else: int(badge) - int('A') + 27
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# echo badge, " : ", prio
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res += prio
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return intToStr(res)
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when not defined(js):
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echo run03_2()
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else:
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proc js_run03_2(): cstring {.exportc.} =
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return cstring(run03_2())
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