結果

問題 No.1505 Zero-Product Ranges
ユーザー yakamotoyakamoto
提出日時 2021-05-14 22:09:13
言語 Kotlin
(1.9.23)
結果
AC  
実行時間 432 ms / 2,000 ms
コード長 3,054 bytes
コンパイル時間 16,136 ms
コンパイル使用メモリ 461,112 KB
実行使用メモリ 62,464 KB
最終ジャッジ日時 2024-10-02 01:25:53
合計ジャッジ時間 37,822 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge2
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 276 ms
49,792 KB
testcase_01 AC 308 ms
50,144 KB
testcase_02 AC 283 ms
49,920 KB
testcase_03 AC 418 ms
62,188 KB
testcase_04 AC 416 ms
62,196 KB
testcase_05 AC 393 ms
55,456 KB
testcase_06 AC 393 ms
55,284 KB
testcase_07 AC 381 ms
53,972 KB
testcase_08 AC 389 ms
54,696 KB
testcase_09 AC 397 ms
54,336 KB
testcase_10 AC 395 ms
54,296 KB
testcase_11 AC 405 ms
55,296 KB
testcase_12 AC 389 ms
53,672 KB
testcase_13 AC 396 ms
57,408 KB
testcase_14 AC 414 ms
56,528 KB
testcase_15 AC 432 ms
61,676 KB
testcase_16 AC 419 ms
62,464 KB
testcase_17 AC 425 ms
62,144 KB
testcase_18 AC 422 ms
62,408 KB
testcase_19 AC 284 ms
49,872 KB
testcase_20 AC 288 ms
49,856 KB
testcase_21 AC 282 ms
49,788 KB
testcase_22 AC 407 ms
62,220 KB
testcase_23 AC 420 ms
62,044 KB
testcase_24 AC 422 ms
61,812 KB
testcase_25 AC 420 ms
61,196 KB
testcase_26 AC 424 ms
61,680 KB
testcase_27 AC 429 ms
61,344 KB
testcase_28 AC 426 ms
61,592 KB
testcase_29 AC 417 ms
62,056 KB
testcase_30 AC 421 ms
62,252 KB
testcase_31 AC 420 ms
61,568 KB
testcase_32 AC 421 ms
56,400 KB
testcase_33 AC 391 ms
56,244 KB
testcase_34 AC 407 ms
56,820 KB
testcase_35 AC 400 ms
55,480 KB
testcase_36 AC 404 ms
55,644 KB
testcase_37 AC 398 ms
56,484 KB
testcase_38 AC 405 ms
55,984 KB
testcase_39 AC 411 ms
56,124 KB
testcase_40 AC 430 ms
56,424 KB
testcase_41 AC 418 ms
57,208 KB
testcase_42 AC 343 ms
50,792 KB
testcase_43 AC 336 ms
51,292 KB
testcase_44 AC 339 ms
51,136 KB
testcase_45 AC 339 ms
51,164 KB
testcase_46 AC 334 ms
50,680 KB
testcase_47 AC 347 ms
51,516 KB
testcase_48 AC 335 ms
50,920 KB
testcase_49 AC 291 ms
50,324 KB
testcase_50 AC 337 ms
51,084 KB
testcase_51 AC 332 ms
51,176 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:123:11: 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:127:11: 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:131:11: 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:135:11: 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:137:11: 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:144:11: 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:151:11: 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:168:11: 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 = ni()
    val A = na(N)
    var n = 0L
    var ans = N.toLong()*(N+1)/2
    for (a in A) {
      if (a == 0) {
        ans -= n*(n+1)/2
        n = 0
      }
      else {
        n++
      }
    }
    ans -= n*(n+1)/2
    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())}
}

fun main() {
  val out = java.io.PrintWriter(System.out)
  Solver(System.`in`, out).solve()
  out.flush()
}
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