結果

問題 No.1201 お菓子配り-4
ユーザー yakamotoyakamoto
提出日時 2020-08-28 22:13:47
言語 Kotlin
(1.9.23)
結果
TLE  
実行時間 -
コード長 3,381 bytes
コンパイル時間 15,396 ms
コンパイル使用メモリ 450,628 KB
実行使用メモリ 456,004 KB
最終ジャッジ日時 2024-04-26 13:14:28
合計ジャッジ時間 71,611 ms
ジャッジサーバーID
（参考情報） 		judge4 / judge1
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 439 ms
53,684 KB
testcase_01 AC 2,266 ms
86,220 KB
testcase_02 AC 2,902 ms
61,944 KB
testcase_03 AC 1,564 ms
54,696 KB
testcase_04 AC 878 ms
50,024 KB
testcase_05 AC 1,822 ms
50,200 KB
testcase_06 AC 539 ms
50,112 KB
testcase_07 AC 983 ms
50,180 KB
testcase_08 AC 2,252 ms
50,304 KB
testcase_09 AC 1,732 ms
50,092 KB
testcase_10 AC 282 ms
50,124 KB
testcase_11 AC 670 ms
49,768 KB
testcase_12 AC 3,188 ms
50,272 KB
testcase_13 AC 391 ms
49,928 KB
testcase_14 AC 341 ms
51,628 KB
testcase_15 AC 2,545 ms
50,252 KB
testcase_16 AC 986 ms
49,828 KB
testcase_17 AC 1,175 ms
50,000 KB
testcase_18 AC 431 ms
50,152 KB
testcase_19 AC 439 ms
50,136 KB
testcase_20 AC 266 ms
49,976 KB
testcase_21 AC 272 ms
50,048 KB
testcase_22 AC 259 ms
49,728 KB
testcase_23 AC 255 ms
49,968 KB
testcase_24 AC 251 ms
49,956 KB
testcase_25 AC 258 ms
49,952 KB
testcase_26 AC 261 ms
50,036 KB
testcase_27 AC 256 ms
49,924 KB
testcase_28 AC 254 ms
49,632 KB
testcase_29 AC 261 ms
49,936 KB
testcase_30 AC 3,976 ms
50,096 KB
testcase_31 TLE -
testcase_32 AC 3,961 ms
50,420 KB
testcase_33 TLE -
testcase_34 TLE -
testcase_35 TLE -
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:31:11: warning: expected performance impact from inlining is insignificant. Inlining works best for functions with parameters of functional types
  private inline fun add(a: Long) = run{ ans = (ans + a) % MOD }
          ^
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 debug(a: LongArray) {
          ^
Main.kt:148:11: 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: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: BooleanArray) {
          ^
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 debugDim(A: Array<LongArray>) {
          ^
Main.kt:163:11: 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 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

fun powMod(a: Int, n: Long, mod: Int): Long {
  if (n == 0L) return 1
  val res = powMod((a.toLong() * a % mod).toInt(), n / 2, mod)
  return if (n % 2 == 1L) res * a % mod else res
}
tailrec fun gcd(a: Long, b: Long): Long {
  if (a < b) return gcd(b, a)
  if (b == 0L) return a
  return gcd(b, a % b)
}
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
  private val reader = BufferedReader(InputStreamReader(stream), 32768)
  private val N = ni()
  private val M = ni()
  private val A = nal(N)
  private val B = nal(M)

  private var ans = 0L

  private inline fun add(a: Long) = run{ ans = (ans + a) % MOD }

  fun solve() {
    for (a0 in A) {
      for (b0 in B) {
        val g = gcd(a0, b0)
        val a = a0/g
        val b = b0/g
        val ksum = (b0 * (b0 + 1) / 2) % MOD
        val inv = powMod(b.toInt(), (MOD - 2).toLong(), MOD)
        val minus = b * (b - 1) / 2 * g
        val v = a*ksum%MOD + (MOD - minus % MOD)
        add(v *inv%MOD)
      }
    }
    out.println(ans * 2 % MOD)
  }













































  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 map(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 map(n: Int, f: (Int) -> Int): IntArray {
    val res = IntArray(n)
    for (i in 0 until n) {
      res[i] = f(i)
    }
    return res
  }

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

  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 { 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)
      }
    }
  }

  /**
   * 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()}
}

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