結果

問題 No.1631 Sorting Integers (Multiple of K) Easy
ユーザー yakamotoyakamoto
提出日時 2021-07-30 22:39:58
言語 Kotlin
(1.9.23)
結果
AC  
実行時間 1,525 ms / 3,000 ms
コード長 3,937 bytes
コンパイル時間 17,907 ms
コンパイル使用メモリ 437,828 KB
実行使用メモリ 187,900 KB
最終ジャッジ日時 2023-10-14 06:34:14
合計ジャッジ時間 46,545 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge15
このコードへのチャレンジ（β）

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 287 ms
56,204 KB
testcase_01 AC 292 ms
56,092 KB
testcase_02 AC 287 ms
56,088 KB
testcase_03 AC 311 ms
56,828 KB
testcase_04 AC 290 ms
55,948 KB
testcase_05 AC 288 ms
55,952 KB
testcase_06 AC 290 ms
56,520 KB
testcase_07 AC 292 ms
56,000 KB
testcase_08 AC 300 ms
56,208 KB
testcase_09 AC 319 ms
57,088 KB
testcase_10 AC 294 ms
55,996 KB
testcase_11 AC 320 ms
56,484 KB
testcase_12 AC 313 ms
56,432 KB
testcase_13 AC 292 ms
58,004 KB
testcase_14 AC 1,456 ms
187,120 KB
testcase_15 AC 1,510 ms
187,548 KB
testcase_16 AC 1,519 ms
187,836 KB
testcase_17 AC 1,510 ms
187,900 KB
testcase_18 AC 1,511 ms
187,712 KB
testcase_19 AC 1,525 ms
187,572 KB
testcase_20 AC 1,497 ms
187,468 KB
testcase_21 AC 1,369 ms
187,616 KB
testcase_22 AC 1,487 ms
187,528 KB
testcase_23 AC 1,474 ms
187,800 KB
testcase_24 AC 1,485 ms
187,532 KB
testcase_25 AC 1,486 ms
187,352 KB
testcase_26 AC 312 ms
56,608 KB
testcase_27 AC 1,177 ms
139,048 KB
testcase_28 AC 677 ms
85,148 KB
testcase_29 AC 677 ms
87,188 KB
testcase_30 AC 846 ms
109,956 KB
testcase_31 AC 1,166 ms
139,496 KB
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:152:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: LongArray) {
          ^
Main.kt:156:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: IntArray) {
          ^
Main.kt:160:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debug(a: BooleanArray) {
          ^
Main.kt:164:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}
          ^
Main.kt:166:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<LongArray>) {
          ^
Main.kt:173:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<IntArray>) {
          ^
Main.kt:180:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun debugDim(A: Array<BooleanArray>) {
          ^
Main.kt:197:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
          ^

ソースコード

diff # 

import java.io.BufferedReader
import java.io.InputStream
import java.io.InputStreamReader
import java.lang.AssertionError
import java.util.*
import kotlin.math.abs
import kotlin.math.max
import kotlin.math.min

class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
  private val reader = BufferedReader(InputStreamReader(stream), 32768)

  fun solve() {
    val N = ni()
    val M = ni()
    val C = intArrayOf(0) + na(9)
    val B0 = mutableListOf<Int>()
    for (d in 1 .. 9) {
      for (i in 0 until C[d]) {
        B0 += d
      }
    }
    val B = B0.toIntArray()
    debug(B)

    val dp = Array(1 shl N){LongArray(M)}
    dp[0][0] = 1

    val pow10 = IntArray(N)
    pow10[0] = 1
    for (i in 1 until N) {
      pow10[i] = pow10[i - 1] *10 %M
    }

    for (bit in 0 until (1 shl N)) {
      for (m in 0 until M) {
        for (i in 0 until N) {
          if (bit shr i and 1 == 1) continue
          val nbit = bit or (1 shl i)
          val numDigits = Integer.bitCount(bit)
          val nm = (m + pow10[numDigits]*B[i]) %M
          dp[nbit][nm] += dp[bit][m]
        }
      }
    }

//    debug{"DP"}
//    debugDim(dp)

    var ans = dp[(1 shl N) - 1][0]
    for (d in 1 .. 9) {
      if (C[d] == 0) continue
      var p = 1
      for (i in 1 .. C[d]) {
        p *= i
      }
      ans /= p
    }
    out.println(ans)
  }













































  private val isDebug = try {
    // なんか本番でエラーでる
    System.getenv("MY_DEBUG") != null
  } catch (t: Throwable) {
    false
  }

  private var tokenizer: StringTokenizer? = null
  private fun next(): String {
    while (tokenizer == null || !tokenizer!!.hasMoreTokens()) {
      tokenizer = StringTokenizer(reader.readLine())
    }
    return tokenizer!!.nextToken()
  }

  private fun ni() = next().toInt()
  private fun nl() = next().toLong()
  private fun ns() = next()
  private fun na(n: Int, offset: Int = 0): IntArray {
    return IntArray(n) { ni() + offset }
  }
  private fun nal(n: Int, offset: Int = 0): LongArray {
    val res = LongArray(n)
    for (i in 0 until n) {
      res[i] = nl() + offset
    }
    return res
  }

  private fun na2(n: Int, offset: Int = 0): Array<IntArray> {
    val a  = Array(2){IntArray(n)}
    for (i in 0 until n) {
      for (e in a) {
        e[i] = ni() + offset
      }
    }
    return a
  }

  private inline fun debug(msg: () -> String) {
    if (isDebug) System.err.println(msg())
  }

  /**
   * コーナーケースでエラー出たりするので、debug(dp[1])のように添え字付きの場合はdebug{}をつかうこと
   */
  private inline fun debug(a: LongArray) {
    debug { a.joinToString(" ") }
  }

  private inline fun debug(a: IntArray) {
    debug { a.joinToString(" ") }
  }

  private inline fun debug(a: BooleanArray) {
    debug { toString(a) }
  }

  private inline fun toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")}

  private inline fun debugDim(A: Array<LongArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }
  private inline fun debugDim(A: Array<IntArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }
  private inline fun debugDim(A: Array<BooleanArray>) {
    if (isDebug) {
      for (a in A) {
        debug(a)
      }
    }
  }

  /**
   * 勝手にimport消されるのを防ぎたい
   */
  private fun hoge() {
    min(1, 2)
    max(1, 2)
    abs(-10)
  }

  private inline fun assert(b: Boolean) = run{if (!b) throw AssertionError()}
  private inline fun assert(b: Boolean, f: () -> String) = run{if (!b) throw AssertionError(f())}

  companion object {
    // TestRunnerから呼びたいので単純なmainじゃだめ
    fun main() {
      val out = java.io.PrintWriter(System.out)
      Solver(System.`in`, out).solve()
      out.flush()
    }
  }
}

/**
 * judgeから呼ばれる
 */
fun main() = Solver.main()
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