結果

問題 No.312 置換処理
ユーザー GoryudyumaGoryudyuma
提出日時 2018-07-10 17:41:29
言語 Scala(Beta)
(3.4.0)
結果
AC  
実行時間 1,081 ms / 2,000 ms
コード長 3,918 bytes
コンパイル時間 16,253 ms
コンパイル使用メモリ 259,684 KB
実行使用メモリ 63,896 KB
最終ジャッジ日時 2023-08-09 16:12:43
合計ジャッジ時間 64,146 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge15
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 977 ms
62,488 KB
testcase_01 AC 1,066 ms
62,856 KB
testcase_02 AC 1,081 ms
62,732 KB
testcase_03 AC 1,059 ms
62,656 KB
testcase_04 AC 974 ms
62,608 KB
testcase_05 AC 965 ms
62,572 KB
testcase_06 AC 1,012 ms
63,044 KB
testcase_07 AC 1,033 ms
62,716 KB
testcase_08 AC 998 ms
62,580 KB
testcase_09 AC 987 ms
62,632 KB
testcase_10 AC 1,003 ms
62,448 KB
testcase_11 AC 1,037 ms
62,604 KB
testcase_12 AC 980 ms
62,348 KB
testcase_13 AC 972 ms
62,452 KB
testcase_14 AC 987 ms
62,516 KB
testcase_15 AC 990 ms
62,660 KB
testcase_16 AC 991 ms
62,468 KB
testcase_17 AC 993 ms
62,592 KB
testcase_18 AC 986 ms
62,880 KB
testcase_19 AC 986 ms
62,640 KB
testcase_20 AC 986 ms
62,560 KB
testcase_21 AC 985 ms
62,536 KB
testcase_22 AC 1,004 ms
62,408 KB
testcase_23 AC 999 ms
62,360 KB
testcase_24 AC 977 ms
62,572 KB
testcase_25 AC 979 ms
62,528 KB
testcase_26 AC 975 ms
62,516 KB
testcase_27 AC 980 ms
62,744 KB
testcase_28 AC 991 ms
62,584 KB
testcase_29 AC 1,002 ms
62,368 KB
testcase_30 AC 1,034 ms
62,800 KB
testcase_31 AC 980 ms
62,608 KB
testcase_32 AC 1,017 ms
62,724 KB
testcase_33 AC 1,040 ms
62,404 KB
testcase_34 AC 1,038 ms
62,568 KB
testcase_35 AC 1,008 ms
62,592 KB
testcase_36 AC 996 ms
62,636 KB
testcase_37 AC 996 ms
63,896 KB
testcase_38 AC 991 ms
62,412 KB
testcase_39 AC 984 ms
62,728 KB
testcase_40 AC 992 ms
62,900 KB
testcase_41 AC 982 ms
62,812 KB
testcase_42 AC 1,018 ms
62,840 KB
testcase_43 AC 988 ms
62,336 KB
testcase_44 AC 1,007 ms
63,132 KB
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ソースコード

diff # 

import java.util.Scanner

import scala.collection.Searching._
import scala.annotation.tailrec
import scala.collection.mutable
import scala.collection.immutable._
import scala.io.StdIn.readLine

class IUnionFind(val size: Int) {

  private case class Node(var parent: Option[Int], var treeSize: Int)

  private val nodes = Array.fill[Node](size)(new Node(None, 1))

  def union(t1: Int, t2: Int): IUnionFind = {
    if (t1 == t2) return this

    val root1 = root(t1)
    val root2 = root(t2)
    if (root1 == root2) return this

    val node1 = nodes(root1)
    val node2 = nodes(root2)

    if (node1.treeSize < node2.treeSize) {
      node1.parent = Some(t2)
      node2.treeSize += node1.treeSize
    } else {
      node2.parent = Some(t1)
      node1.treeSize += node2.treeSize
    }
    this
  }

  def connected(t1: Int, t2: Int): Boolean = t1 == t2 || root(t1) == root(t2)

  def root(t: Int): Int = nodes(t).parent match {
    case None => t
    case Some(p) => {
      nodes(t).parent = Some(root(p))
      nodes(t).parent.get
    }
  }
}

object Main {
  def solve(sc: => Scanner): Unit = {
    val N = sc.nextLong
    if (N == 4) {
      println(4)
    } else if (N % 2 == 0) {
      println(math.min(recursive(N, Util.getPermutation(3)), N / 2))
    } else {
      println(recursive(N, Util.getPermutation(3)))
    }
  }

  def recursive(N: => Long, S: Stream[Long]): Long = {
    if (N % S.head == 0) (S.head) else if (S.head * S.head > N) (N) else (recursive(N, S.tail))
  }

  def recursive2(N: Long): String = {
    if (N == 0) ("") else (('a'.toInt + (N % 26)).toChar + recursive2(N / 26))
  }

  def check(A: Array[List[Int]]): Boolean = {
    A.map(_.size == 0).fold(true)((a, b) => a & b)
  }

  def shift(n: Long): Long = {
    if (n == 0) (0) else if (n == 1) (1) else (shift(n - 1) << 1)
  }

  def unShift(n: Long): Long = {
    if (n == 0) (0) else (unShift(n >> 1) + 1)
  }

  def gcd(i: Long, j: Long): Long = {
    if (i < j) (gcd(j, i)) else (if (j == 0) (i) else (gcd(j, i % j)))
  }

  def main(args: Array[String]): Unit = {
    val sc: Scanner = new Scanner(System.in)
    solve(sc)
  }
}

object Util {
  def getPermutation(begin: Long = 0): Stream[Long] =
    Stream.cons(begin, getPermutation(begin + 1))

  def getPrimeList(): Stream[Long] =
    getPrimeListRecursive(getPermutation(begin = 2))

  private def getPrimeListRecursive(A: Stream[Long]): Stream[Long] =
    Stream.cons(A.head, getPrimeListRecursive(A.tail.filter(_ % A.head != 0)))

  def fib(a: Long = 0, b: Long = 1, mod: Long = Long.MaxValue): Stream[Long] = a #:: fib(b % mod, (a + b) % mod, mod)
}

object ArabicRoman {

  type =?>[A, B] = PartialFunction[A, B]

  val codeTable = List(
    (1000, "M"), (900, "CM"), (500, "D"), (400, "CD"), (100, "C"),
    (90, "XC"), (50, "L"), (40, "XL"), (10, "X"), (9, "IX"), (5, "V"), (4, "IV"), (1, "I"))

  val arabicToRoman: (Int) =?> String = {
    case src if (src >= 1 && src <= 3999) => {

      def convert(left: Int, cont: String = "", code: List[(Int, String)] = codeTable): String = {
        val (unitVal, unitChar) = code.head
        left - unitVal match {
          case n if (n == 0) => cont + unitChar
          case n if (n > 0) => convert(n, cont + unitChar, code)
          case _ => convert(left, cont, code.tail)
        }
      }

      convert(src)
    }
  }

  val romanToArabic: (String) =?> Int = {
    case src if (Option(src).exists { s => {
      s.nonEmpty && ("""[^MDCLXVI]""".r.findFirstMatchIn(s.toUpperCase) == None)
    }
    }) => {

      def convert(left: String, cont: Int = 0, code: List[(Int, String)] = codeTable): Int = {
        val (unitVal, unitChar) = code.head
        left.splitAt(unitChar.length) match {
          case ("", _) => cont
          case (`unitChar`, tail) => convert(tail, cont + unitVal, code)
          case _ => convert(left, cont, code.tail)
        }
      }

      convert(src.toUpperCase())
    }
  }
}
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