結果

問題 No.854 公平なりんご分配
ユーザー pekempey
提出日時 2019-07-27 03:12:00
言語 Kotlin
(2.1.0)
結果
AC  
実行時間 1,233 ms / 3,153 ms
コード長 1,853 bytes
コンパイル時間 15,700 ms
コンパイル使用メモリ 443,312 KB
実行使用メモリ 75,976 KB
最終ジャッジ日時 2024-11-20 19:11:59
合計ジャッジ時間 72,431 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 92
権限があれば一括ダウンロードができます
コンパイルメッセージ
Main.kt:1:10: warning: parameter 'args' is never used
fun main(args: Array<String>) {
         ^
Main.kt:88:16: warning: 'toByte(): Byte' is deprecated. Conversion of Char to Number is deprecated. Use Char.code property instead.
    while ('0'.toByte() > peek()) next()
               ^
Main.kt:89:16: warning: 'toByte(): Byte' is deprecated. Conversion of Char to Number is deprecated. Use Char.code property instead.
    while ('0'.toByte() <= peek()) {
               ^
Main.kt:90:38: warning: 'toLong(): Long' is deprecated. Conversion of Char to Number is deprecated. Use Char.code property instead.
      ans = ans * 10 + (peek() - '0'.toLong())
                                     ^

ソースコード

diff #

fun main(args: Array<String>) {
  val table = BooleanArray(2001, {true})
  val primes: MutableList<Int> = mutableListOf()
  for (i in 2..2000) {
    if (table[i]) {
      primes.add(i)
      for (j in 2*i..2000 step i) {
        table[j] = false
      }
    }
  }

  val rd = Reader()
  val N = rd.int()
  val A = IntArray(N)
  val zero = IntArray(N+1)
  for (i in 0..N-1) {
    A[i] = rd.int()
    zero[i+1] = zero[i] + (if (A[i] == 0) 1 else 0)
  }
  val Q = rd.int()
  val P = IntArray(Q)
  val L = IntArray(Q)
  val R = IntArray(Q)
  for (i in 0..Q-1) {
    P[i] = rd.int()
    L[i] = rd.int() - 1
    R[i] = rd.int()
  }
  val ruiseki = IntArray(N+1)
  val kotae = BooleanArray(Q, {true})
  for (p in primes) {
    ruiseki.fill(0)
    for (i in 0..N-1) {
      ruiseki[i+1] = ruiseki[i]
      if (A[i] == 0) continue
      while (A[i] % p == 0) {
        ruiseki[i+1]++;
        A[i] /= p
      }
    }
    for (i in 0..Q-1) {
      if (zero[R[i]] - zero[L[i]] > 0) {
        P[i] = 1
        continue
      }
      var k = 0
      while (P[i] % p == 0) {
        P[i] /= p
        k++
      }
      if (ruiseki[R[i]] - ruiseki[L[i]] < k) kotae[i] = false
    }
  }
  for (i in 0..Q-1) {
    if (P[i] != 1) kotae[i] = false
    println(if (kotae[i]) "Yes" else "NO")
  }
}

class Reader {
  var buf: ByteArray = ByteArray(5000000)
  var k: Int = 0
  var n: Int = 0

  init {
    check()
  }

  private fun check() {
    if (k == n) {
      n = System.`in`.read(buf)
      k = 0
    }
  }

  private fun peek(): Byte {
    return buf[k]
  }

  private fun next() {
    k++
    check()
  }

  fun long(): Long {
    var ans: Long = 0
    while ('0'.toByte() > peek()) next()
    while ('0'.toByte() <= peek()) {
      ans = ans * 10 + (peek() - '0'.toLong())
      next() 
    }
    return ans
  }

  fun int(): Int {
    return long().toInt()
  }
}
0