#761027 (Kotlin) No.1935 Water Simulation

提出ソース

結果

問題	No.1935 Water Simulation
ユーザー	yakamoto
提出日時	2022-05-14 12:15:07
言語	Kotlin (1.9.23)
結果	RE
実行時間	-
コード長	4,720 bytes
コンパイル時間	21,324 ms
コンパイル使用メモリ	443,364 KB
実行使用メモリ	56,012 KB
最終ジャッジ日時	2023-09-30 02:56:07
合計ジャッジ時間	32,688 ms
ジャッジサーバーID （参考情報）	judge15 / judge12

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	RE	-
testcase_01	RE	-
testcase_02	RE	-
testcase_03	RE	-
testcase_04	RE	-
testcase_05	RE	-
testcase_06	RE	-
testcase_07	RE	-
testcase_08	RE	-
testcase_09	RE	-
testcase_10	RE	-
testcase_11	RE	-
testcase_12	RE	-
testcase_13	RE	-
testcase_14	RE	-
testcase_15	RE	-
testcase_16	RE	-
testcase_17	RE	-
testcase_18	RE	-
testcase_19	RE	-
testcase_20	RE	-
testcase_21	RE	-
testcase_22	RE	-
testcase_23	RE	-
testcase_24	RE	-
testcase_25	RE	-
testcase_26	RE	-
testcase_27	RE	-
testcase_28	RE	-
testcase_29	RE	-
testcase_30	RE	-
testcase_31	RE	-

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:33:13: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
    private inline fun setV() {
            ^
Main.kt:41:13: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
    private inline fun next() {
            ^
Main.kt:198:11: 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:202:11: 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:206:11: 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:210:11: 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:212:11: 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:219:11: 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:226:11: 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:243:11: warning: expected perform

ソースコード

raw source code

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

val MOD = 1_000_000_007

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

  fun solve() {
    val V0 = na(4)
    val N = nl()
    Solver2(V0, N).solve()
  }

  inner class Solver2(val Vmax: IntArray, val N: Long) {
    private val rad = 101
    private val MAX = rad*rad*rad*rad
    private val dp = BooleanArray(MAX * 4)
    private val V = IntArray(4)
    private var s = Vmax[0]
    private var t = 0L

    init {
      dp[s] = true
    }

    private inline fun setV() {
      var cur = s % MAX
      for (i in 0 until 4) {
        V[i] = (cur % rad)
        cur /= rad
      }
    }

    private inline fun next() {
      setV()

      val i = (t % 4).toInt()
      val ni = ((t + 1) % 4).toInt()
      val move = min(Vmax[ni] - V[ni], V[i])
      V[i] -= move
      V[ni] += move

      var next = 0
      for (j in 3 downTo 0) {
        next *= rad
        next += V[j]
      }
      t++
      s = next + MAX * (t % 4).toInt()
    }

    fun solve() {
      while (true) {
        next()
        if (t == N) {
          setV()
          out.println(V.joinToString(" "))
          return
        }
        if (dp[s]) {
          break
        }
        dp[s] = true

//        if (isDebug) {
//          setV()
//          debug(V)
//        }
      }

      val target = s
      val t1 = t
      s = Vmax[0]
      t = 0
//      debug{"s:$s t:$t"}
      while(true) {
        if (s == target) {
          break
        }
        next()
//        if (isDebug) {
//          setV()
//          debug{"t:$t"}
//          debug { V.joinToString(" ") }
//        }
//        debug{"s:$s t:$t"}
      }
      debug{"t0:$t t1:$t1"}
      val span = t1 - t

      val r = (N - t) % span
      debug{"r:$r"}
      s = target
      for (i in 0 until r) {
        next()
      }
      setV()
      out.println(V.joinToString(" "))
    }
  }












































  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()

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード