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
(1.6.10)
結果
AC  
実行時間 359 ms / 2,000 ms
コード長 3,054 bytes
コンパイル時間 14,693 ms
使用メモリ 52,524 KB
最終ジャッジ日時 2022-11-25 18:35:32
合計ジャッジ時間 31,961 ms
ジャッジサーバーID
（参考情報） 		judge11 / 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
使用メモリ
testcase_00 AC 205 ms
44,364 KB
testcase_01 AC 203 ms
44,288 KB
testcase_02 AC 208 ms
44,340 KB
testcase_03 AC 332 ms
52,100 KB
testcase_04 AC 323 ms
52,216 KB
testcase_05 AC 323 ms
51,392 KB
testcase_06 AC 328 ms
51,396 KB
testcase_07 AC 308 ms
49,440 KB
testcase_08 AC 307 ms
50,824 KB
testcase_09 AC 337 ms
51,092 KB
testcase_10 AC 336 ms
51,180 KB
testcase_11 AC 327 ms
51,104 KB
testcase_12 AC 320 ms
49,116 KB
testcase_13 AC 329 ms
51,812 KB
testcase_14 AC 331 ms
51,592 KB
testcase_15 AC 343 ms
52,132 KB
testcase_16 AC 335 ms
52,092 KB
testcase_17 AC 353 ms
52,300 KB
testcase_18 AC 359 ms
52,444 KB
testcase_19 AC 207 ms
44,348 KB
testcase_20 AC 211 ms
44,332 KB
testcase_21 AC 215 ms
44,368 KB
testcase_22 AC 347 ms
52,288 KB
testcase_23 AC 340 ms
52,156 KB
testcase_24 AC 345 ms
52,180 KB
testcase_25 AC 350 ms
52,204 KB
testcase_26 AC 349 ms
52,228 KB
testcase_27 AC 351 ms
52,220 KB
testcase_28 AC 346 ms
52,128 KB
testcase_29 AC 350 ms
52,316 KB
testcase_30 AC 356 ms
52,524 KB
testcase_31 AC 336 ms
52,136 KB
testcase_32 AC 334 ms
51,656 KB
testcase_33 AC 343 ms
51,528 KB
testcase_34 AC 345 ms
51,656 KB
testcase_35 AC 341 ms
51,432 KB
testcase_36 AC 344 ms
51,480 KB
testcase_37 AC 336 ms
51,472 KB
testcase_38 AC 352 ms
51,536 KB
testcase_39 AC 339 ms
51,476 KB
testcase_40 AC 355 ms
51,584 KB
testcase_41 AC 328 ms
51,672 KB
testcase_42 AC 270 ms
46,504 KB
testcase_43 AC 275 ms
46,992 KB
testcase_44 AC 249 ms
46,640 KB
testcase_45 AC 268 ms
47,028 KB
testcase_46 AC 284 ms
46,424 KB
testcase_47 AC 268 ms
46,904 KB
testcase_48 AC 276 ms
46,588 KB
testcase_49 AC 216 ms
45,016 KB
testcase_50 AC 273 ms
46,448 KB
testcase_51 AC 265 ms
46,956 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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