41 lines
900 B
Kotlin
41 lines
900 B
Kotlin
import java.io.File
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import java.math.BigInteger
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import java.security.MessageDigest
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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) = File("src", "$name.txt")
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.readLines()
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fun listOfIntegerLists(input: List<String>): ArrayList<List<Int>> {
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val output = ArrayList<List<Int>>()
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var currList = ArrayList<Int>()
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for(i in input)
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{
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if(i.isEmpty()){
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output.add(currList)
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currList = ArrayList<Int>()
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} else {
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currList.add(i.toInt())
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}
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}
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if(currList.isNotEmpty())
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{
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output.add(currList)
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}
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return output
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}
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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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