mirror of
https://github.com/wezm/advent-of-code.git
synced 2024-11-14 11:38:01 +00:00
23 lines
365 B
Awk
23 lines
365 B
Awk
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BEGIN {
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map["eno"] = 1
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map["owt"] = 2
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map["eerht"] = 3
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map["ruof"] = 4
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map["evif"] = 5
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map["xis"] = 6
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map["neves"] = 7
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map["thgie"] = 8
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map["enin"] = 9
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}
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{
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pos = match($0, "enin|thgie|neves|xis|evif|ruof|eerht|owt|eno")
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if (pos != 0) {
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numeral = substr($0, RSTART, RLENGTH)
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digit = map[numeral]
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sub(numeral, digit)
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}
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print
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}
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