21 lines
515 B
Kotlin
21 lines
515 B
Kotlin
import java.math.BigInteger
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import java.security.MessageDigest
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import kotlin.io.path.Path
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import kotlin.io.path.readText
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/**
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* Reads lines from the given input txt file.
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*/
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fun readInput(name: String) = Path("src/$name.txt").readText().trim().lines()
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/**
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* Converts string to md5 hash.
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*/
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fun String.md5() = BigInteger(1, MessageDigest.getInstance("MD5").digest(toByteArray()))
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.toString(16)
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.padStart(32, '0')
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/**
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* The cleaner shorthand for printing output.
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*/
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fun Any?.println() = println(this)
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