結果

問題 No.1703 Much Matching
ユーザー yakamotoyakamoto
提出日時 2021-10-08 23:04:16
言語 Kotlin
(1.9.23)
結果
AC  
実行時間 944 ms / 2,000 ms
コード長 3,449 bytes
コンパイル時間 20,111 ms
コンパイル使用メモリ 467,192 KB
実行使用メモリ 97,012 KB
最終ジャッジ日時 2024-07-23 06:27:17
合計ジャッジ時間 41,246 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge4
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 336 ms
60,216 KB
testcase_01 AC 331 ms
60,336 KB
testcase_02 AC 338 ms
60,228 KB
testcase_03 AC 366 ms
60,272 KB
testcase_04 AC 379 ms
60,612 KB
testcase_05 AC 377 ms
62,380 KB
testcase_06 AC 820 ms
92,004 KB
testcase_07 AC 500 ms
66,060 KB
testcase_08 AC 739 ms
96,332 KB
testcase_09 AC 753 ms
94,480 KB
testcase_10 AC 538 ms
73,680 KB
testcase_11 AC 631 ms
79,672 KB
testcase_12 AC 497 ms
65,348 KB
testcase_13 AC 655 ms
91,980 KB
testcase_14 AC 425 ms
62,404 KB
testcase_15 AC 596 ms
77,744 KB
testcase_16 AC 656 ms
92,004 KB
testcase_17 AC 692 ms
92,240 KB
testcase_18 AC 426 ms
62,548 KB
testcase_19 AC 788 ms
94,204 KB
testcase_20 AC 562 ms
73,352 KB
testcase_21 AC 809 ms
94,160 KB
testcase_22 AC 724 ms
92,364 KB
testcase_23 AC 673 ms
92,040 KB
testcase_24 AC 438 ms
62,404 KB
testcase_25 AC 536 ms
67,364 KB
testcase_26 AC 680 ms
85,992 KB
testcase_27 AC 732 ms
92,204 KB
testcase_28 AC 793 ms
97,012 KB
testcase_29 AC 635 ms
79,544 KB
testcase_30 AC 674 ms
89,820 KB
testcase_31 AC 516 ms
64,548 KB
testcase_32 AC 706 ms
92,240 KB
testcase_33 AC 681 ms
91,920 KB
testcase_34 AC 502 ms
65,076 KB
testcase_35 AC 550 ms
71,556 KB
testcase_36 AC 944 ms
96,848 KB
testcase_37 AC 385 ms
64,500 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:32:30: warning: unnecessary non-null assertion (!!) on a non-null receiver of type Int
    val ans = dp.map{it.max()!!}.max()
                             ^
Main.kt:126:11: 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:130:11: 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:134:11: 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:138:11: 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:140:11: 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:147:11: 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:154:11: 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:171:11: 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

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 (N, M, Q) = na(3)
    val dp = Array(N + 1){IntArray(M + 1)}
    for (i in 0 until Q) {
      val (a, b) = na(2, -1)
      dp[a][b]++
    }

    for (i in 0 until N) {
      for (j in 0 until M) {
        var v = dp[i][j] + if (i > 0 && j > 0) dp[i-1][j-1] else 0
        if (i > 0) v = max(v, dp[i-1][j])
        if (j > 0) v = max(v, dp[i][j - 1])
        dp[i][j] = v
      }
    }
    debugDim(dp)
    val ans = dp.map{it.max()!!}.max()
    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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