31 lines
705 B
Nim
31 lines
705 B
Nim
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import std/strutils
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import std/sequtils
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proc run03_1(): string =
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const input = staticRead"../input/day03.txt"
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var res = 0
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for line in splitLines(input):
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if line == "":
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continue
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let comp1 = line.substr(0, int(line.len/2))
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let comp2 = line.substr(int(line.len/2))
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let dup = comp1.toSeq().filter(proc(p: char): bool = comp2.contains(p))[0]
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let prio = if int(dup) >= int('a'): int(dup) - int('a') + 1 else: int(dup) - int('A') + 27
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#echo dup, " : ", 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_1()
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else:
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proc js_run03_1(): cstring {.exportc.} =
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return cstring(run03_1())
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