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No commits in common. "8c2851967478109cf3bfe3dedb64aef1eac4c618" and "10e59bd5ba9f0c2c7ab4129a024720870848433c" have entirely different histories.
8c28519674
...
10e59bd5ba
6 changed files with 0 additions and 210 deletions
13
03-a.kts
13
03-a.kts
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@ -1,13 +0,0 @@
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import java.util.Scanner
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import java.util.regex.Pattern
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val pattern: Pattern = Pattern.compile("mul\\([0-9]+,[0-9]+\\)")
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val scanner = Scanner(System.`in`)
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var sum = 0
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while (true) {
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val next: String = scanner.findWithinHorizon(pattern, 0) ?: break
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sum += next.replace("mul(", "").replace(")", "").split(",").map { it.toInt() }.let { (a, b) -> a*b }
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}
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println(sum)
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21
03-b.kts
21
03-b.kts
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@ -1,21 +0,0 @@
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import java.util.Scanner
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import java.util.regex.Pattern
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val pattern: Pattern = Pattern.compile("mul\\([0-9]+,[0-9]+\\)|do\\(\\)|don't\\(\\)")
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val scanner = Scanner(System.`in`)
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var sum = 0
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var enabled = true
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while (true) {
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val next: String = scanner.findWithinHorizon(pattern, 0) ?: break
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when (next) {
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"do()" -> enabled = true
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"don't()" -> enabled = false
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else -> if (enabled) {
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sum += next.replace("mul(", "").replace(")", "").split(",").map { it.toInt() }.let { (a, b) -> a*b }
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}
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}
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}
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println(sum)
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59
04-a.kts
59
04-a.kts
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@ -1,59 +0,0 @@
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import java.util.Scanner
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val scanner = Scanner(System.`in`)
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val matrix = ArrayList<CharArray>()
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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matrix.add(line.toCharArray())
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}
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var count = 0
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matrix.forEachIndexed { row, line ->
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line.forEachIndexed { col, char ->
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count += searchFrom(matrix, row, col)
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}
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}
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println(count)
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fun searchFrom(matrix: ArrayList<CharArray>, row: Int, col: Int): Int {
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return (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row, col + 1, 'M')
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&& safeCheckMatrix(matrix, row, col + 2, 'A')
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&& safeCheckMatrix(matrix, row, col + 3, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row, col - 1, 'M')
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&& safeCheckMatrix(matrix, row, col - 2, 'A')
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&& safeCheckMatrix(matrix, row, col - 3, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row + 1, col + 1, 'M')
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&& safeCheckMatrix(matrix, row + 2, col + 2, 'A')
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&& safeCheckMatrix(matrix, row + 3, col + 3, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row + 1, col, 'M')
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&& safeCheckMatrix(matrix, row + 2, col, 'A')
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&& safeCheckMatrix(matrix, row + 3, col, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row + 1, col - 1, 'M')
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&& safeCheckMatrix(matrix, row + 2, col - 2, 'A')
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&& safeCheckMatrix(matrix, row + 3, col - 3, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row - 1, col + 1, 'M')
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&& safeCheckMatrix(matrix, row - 2, col + 2, 'A')
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&& safeCheckMatrix(matrix, row - 3, col + 3, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row - 1, col, 'M')
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&& safeCheckMatrix(matrix, row - 2, col, 'A')
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&& safeCheckMatrix(matrix, row - 3, col, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'X')
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&& safeCheckMatrix(matrix, row - 1, col - 1, 'M')
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&& safeCheckMatrix(matrix, row - 2, col - 2, 'A')
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&& safeCheckMatrix(matrix, row - 3, col - 3, 'S')
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) 1 else 0)
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}
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fun safeCheckMatrix(matrix: ArrayList<CharArray>, row: Int, col: Int, target: Char): Boolean {
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return row in matrix.indices && col in matrix[row].indices && matrix[row][col] == target
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}
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47
04-b.kts
47
04-b.kts
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@ -1,47 +0,0 @@
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import java.util.*
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val scanner = Scanner(System.`in`)
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val matrix = ArrayList<CharArray>()
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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matrix.add(line.toCharArray())
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}
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var count = 0
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matrix.forEachIndexed { row, line ->
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line.forEachIndexed { col, char ->
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count += searchFrom(matrix, row, col)
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}
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}
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println(count)
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fun searchFrom(matrix: ArrayList<CharArray>, row: Int, col: Int): Int {
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return (if (safeCheckMatrix(matrix, row, col, 'A') &&
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safeCheckMatrix(matrix, row - 1, col - 1, 'M') &&
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safeCheckMatrix(matrix, row - 1, col + 1, 'M') &&
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safeCheckMatrix(matrix, row + 1, col - 1, 'S') &&
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safeCheckMatrix(matrix, row + 1, col + 1, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'A') &&
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safeCheckMatrix(matrix, row + 1, col - 1, 'M') &&
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safeCheckMatrix(matrix, row + 1, col + 1, 'M') &&
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safeCheckMatrix(matrix, row - 1, col - 1, 'S') &&
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safeCheckMatrix(matrix, row - 1, col + 1, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'A') &&
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safeCheckMatrix(matrix, row - 1, col - 1, 'M') &&
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safeCheckMatrix(matrix, row + 1, col - 1, 'M') &&
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safeCheckMatrix(matrix, row - 1, col + 1, 'S') &&
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safeCheckMatrix(matrix, row + 1, col + 1, 'S')
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) 1 else 0) + (if (safeCheckMatrix(matrix, row, col, 'A') &&
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safeCheckMatrix(matrix, row - 1, col + 1, 'M') &&
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safeCheckMatrix(matrix, row + 1, col + 1, 'M') &&
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safeCheckMatrix(matrix, row - 1, col - 1, 'S') &&
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safeCheckMatrix(matrix, row + 1, col - 1, 'S')
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) 1 else 0)
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}
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fun safeCheckMatrix(matrix: ArrayList<CharArray>, row: Int, col: Int, target: Char): Boolean {
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return row in matrix.indices && col in matrix[row].indices && matrix[row][col] == target
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}
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39
05-a.kts
39
05-a.kts
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@ -1,39 +0,0 @@
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import java.util.Scanner
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val scanner = Scanner(System.`in`)
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val rules = HashMap<Int, MutableSet<Int>>()
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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if (line == "") {
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break;
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}
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val (before, after) = line.split("|").map(String::toInt)
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if (!rules.contains(before)) {
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rules[before] = HashSet<Int>()
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}
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rules[before]!!.add(after)
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}
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var sum = 0
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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val pages = line.split(",").map(String::toInt)
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val result = pages.fold(Pair(HashSet<Int>(), true)) { (appeared, isSafe), page ->
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val shouldBeAfter = rules[page]?.toSet() ?: emptySet()
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val violateRule = appeared.intersect(shouldBeAfter)
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val stillSafe = isSafe && violateRule.isEmpty()
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appeared.add(page)
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Pair(appeared, stillSafe)
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}
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if (result.second) {
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val pagesArray = pages.toIntArray()
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sum += pagesArray[pagesArray.size / 2]
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}
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}
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println(sum)
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31
05-b.kts
31
05-b.kts
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@ -1,31 +0,0 @@
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import java.util.Scanner
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val scanner = Scanner(System.`in`)
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val rules = HashMap<Int, MutableSet<Int>>()
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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if (line == "") {
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break;
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}
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val (before, after) = line.split("|").map(String::toInt)
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if (!rules.contains(before)) {
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rules[before] = HashSet<Int>()
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}
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rules[before]!!.add(after)
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}
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var sum = 0
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while (scanner.hasNextLine()) {
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val line = scanner.nextLine()
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val pages = line.split(",").map(String::toInt)
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val fixed = pages.sortedWith { l, r -> if (l == r) 0 else if (rules[l]?.contains(r) == true) -1 else 1 }
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if ("$pages" != "$fixed") {
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val fixedArray = fixed.toIntArray()
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sum += fixedArray[fixedArray.size / 2]
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}
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}
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println(sum)
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