結果

問題 No.1844 Divisors Sum Sum
ユーザー yudedakoyudedako
提出日時 2022-02-28 20:38:41
言語 Scala(Beta)
(3.4.0)
結果
AC  
実行時間 1,448 ms / 3,000 ms
コード長 3,020 bytes
コンパイル時間 14,407 ms
コンパイル使用メモリ 279,672 KB
実行使用メモリ 84,656 KB
最終ジャッジ日時 2024-07-06 23:40:29
合計ジャッジ時間 57,853 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
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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 1,406 ms
84,656 KB
testcase_01 AC 1,407 ms
82,784 KB
testcase_02 AC 1,403 ms
82,416 KB
testcase_03 AC 1,400 ms
82,584 KB
testcase_04 AC 1,416 ms
82,348 KB
testcase_05 AC 1,414 ms
82,700 KB
testcase_06 AC 1,404 ms
82,628 KB
testcase_07 AC 1,413 ms
82,648 KB
testcase_08 AC 1,426 ms
82,500 KB
testcase_09 AC 1,448 ms
82,572 KB
testcase_10 AC 1,376 ms
80,144 KB
testcase_11 AC 1,138 ms
67,624 KB
testcase_12 AC 1,314 ms
78,168 KB
testcase_13 AC 1,109 ms
65,588 KB
testcase_14 AC 1,182 ms
70,084 KB
testcase_15 AC 861 ms
64,868 KB
testcase_16 AC 861 ms
65,012 KB
testcase_17 AC 842 ms
64,800 KB
testcase_18 AC 861 ms
64,636 KB
testcase_19 AC 858 ms
64,976 KB
testcase_20 AC 856 ms
64,896 KB
testcase_21 AC 862 ms
64,992 KB
testcase_22 AC 864 ms
64,864 KB
testcase_23 AC 847 ms
64,944 KB
testcase_24 AC 866 ms
64,720 KB
testcase_25 AC 854 ms
64,776 KB
testcase_26 AC 857 ms
64,888 KB
testcase_27 AC 850 ms
64,940 KB
testcase_28 AC 830 ms
64,756 KB
testcase_29 AC 847 ms
64,716 KB
testcase_30 AC 843 ms
64,804 KB
testcase_31 AC 844 ms
64,860 KB
testcase_32 AC 841 ms
64,820 KB
testcase_33 AC 853 ms
64,860 KB
testcase_34 AC 867 ms
64,712 KB
testcase_35 AC 863 ms
64,676 KB
testcase_36 AC 858 ms
64,692 KB
testcase_37 AC 857 ms
64,804 KB
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ソースコード

diff # 

import scala.collection.mutable.*
import scala.io.StdIn.*
import scala.util.chaining.*
import scala.math.*
import scala.reflect.ClassTag
import scala.util.*
import scala.annotation.tailrec
import scala.collection.mutable



object ModInt:
  opaque type ModInt = Long
  inline def zero: ModInt = 0
  inline def one: ModInt = 1
  extension (value: Long)
    inline def toModInt(using inline mod: Int): ModInt =  value % mod
    inline def unsafeAsModInt: ModInt = value
  extension (value: Int)
    inline def toModInt(using inline mod: Int): ModInt = value % mod
    inline def unsafeAsModInt: ModInt = value
  trait Converter[T]:
    inline def convert(value: T)(using inline mod: Int): ModInt
  inline given Converter[Int] with
    override inline def convert(value: Int)(using inline mod: Int) = value.toModInt
  inline given Converter[Long] with
    override inline def convert(value: Long)(using inline mod: Int) = value.toModInt
  inline given Converter[ModInt] with
    override inline def convert(value: ModInt)(using inline mod: Int) = value
  extension (modInt: ModInt)
    inline def toLong(using inline mod: Int): Long = (modInt + mod) % mod
    inline def rawValue: Long = modInt
    inline def inverse(using inline mod: Int): ModInt =
      var x = modInt
      var y = mod.toLong
      var a = 1L
      var b = 0L
      var c = 0L
      var d = 1L
      while y != 0 do
        val q = x / y
        val e = a - c * q
        val f = b - d * q
        a = c
        b = d
        c = e
        d = f
        x = y
        y = c * modInt + d * mod
      require(x.abs == 1L)
      if x == 1 then a % mod else -a % mod
    inline def powMod(exp: Long)(using inline mod: Int): ModInt =
      var result = 1L
      var base = modInt
      var e = exp
      while e > 0 do
        if (e & 1) == 1 then
          result = result * base % mod
        base = base * base % mod
        e >>= 1
      result
    inline def powMod(exp: Int)(using inline mod: Int): ModInt = powMod(exp.toLong)
  extension [L: Converter, R: Converter] (left: L)
    inline def +(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) + summon[Converter[R]].convert(right)).toModInt
    inline def -(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) - summon[Converter[R]].convert(right)).toModInt
    inline def *(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) * summon[Converter[R]].convert(right)).toModInt
    inline def /(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) * summon[Converter[R]].convert(right).inverse).toModInt

@main def main =
  import ModInt.*
  inline given mod: Int = 1000000007
  val l = readLine.toInt
  val primeFactor = Array.fill(l){
    val Array(p, e) = readLine.split(' ').map(_.toInt)
    p.unsafeAsModInt -> e
  }
  val result = primeFactor.foldLeft(1.unsafeAsModInt){case (acc, (p, e)) => acc * (p.powMod(e + 2) - (e + 2) * p + e + 1) / ((p - 1) * (p - 1)) }
  println(result.toLong)
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