結果
問題 | No.1749 ラムドスウイルスの感染拡大 |
ユーザー | yudedako |
提出日時 | 2022-01-25 00:00:26 |
言語 | Scala(Beta) (3.4.0) |
結果 |
AC
|
実行時間 | 1,042 ms / 2,000 ms |
コード長 | 2,584 bytes |
コンパイル時間 | 10,148 ms |
コンパイル使用メモリ | 267,816 KB |
実行使用メモリ | 63,312 KB |
最終ジャッジ日時 | 2023-08-21 15:17:45 |
合計ジャッジ時間 | 42,180 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge15 |
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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 | 919 ms
62,244 KB |
testcase_01 | AC | 914 ms
62,200 KB |
testcase_02 | AC | 917 ms
62,264 KB |
testcase_03 | AC | 924 ms
62,104 KB |
testcase_04 | AC | 1,017 ms
62,912 KB |
testcase_05 | AC | 914 ms
61,972 KB |
testcase_06 | AC | 930 ms
62,288 KB |
testcase_07 | AC | 925 ms
62,436 KB |
testcase_08 | AC | 920 ms
62,252 KB |
testcase_09 | AC | 961 ms
62,248 KB |
testcase_10 | AC | 961 ms
62,548 KB |
testcase_11 | AC | 949 ms
62,388 KB |
testcase_12 | AC | 1,018 ms
62,460 KB |
testcase_13 | AC | 928 ms
62,236 KB |
testcase_14 | AC | 980 ms
62,932 KB |
testcase_15 | AC | 985 ms
62,512 KB |
testcase_16 | AC | 998 ms
62,580 KB |
testcase_17 | AC | 1,024 ms
62,904 KB |
testcase_18 | AC | 1,030 ms
62,768 KB |
testcase_19 | AC | 1,042 ms
62,448 KB |
testcase_20 | AC | 946 ms
62,428 KB |
testcase_21 | AC | 947 ms
62,500 KB |
testcase_22 | AC | 911 ms
63,312 KB |
testcase_23 | AC | 918 ms
62,068 KB |
testcase_24 | AC | 926 ms
62,236 KB |
testcase_25 | AC | 960 ms
62,220 KB |
testcase_26 | AC | 960 ms
62,448 KB |
testcase_27 | AC | 952 ms
62,172 KB |
testcase_28 | AC | 1,010 ms
62,732 KB |
testcase_29 | AC | 1,016 ms
63,028 KB |
ソースコード
import scala.io.StdIn.* object ModInt: opaque type ModInt = Long extension (value: Long) inline def asModInt(using inline mod: Int): ModInt = value % mod extension (value: Int) inline def asModInt(using inline mod: Int): ModInt = value % mod 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.asModInt inline given Converter[Long] with override inline def convert(value: Long)(using inline mod: Int) = value.asModInt inline given Converter[ModInt] with override inline def convert(value: ModInt)(using inline mod: Int) = value extension (modInt: ModInt) inline def asLong(using inline mod: Int): Long = (modInt + mod) % mod inline def inverse(using inline mod: Int): ModInt = modInt.powMod(mod - 2) inline def powMod(exp: Int)(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: 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 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)).asModInt inline def -(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) - summon[Converter[R]].convert(right)).asModInt inline def *(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) * summon[Converter[R]].convert(right)).asModInt inline def /(right: R)(using inline mod: Int): ModInt = (summon[Converter[L]].convert(left) * summon[Converter[R]].convert(right).inverse).asModInt @main def main = import ModInt._ inline given mod: Int = 998244353 val Array(n, m, t) = readLine().split(' ').map(_.toInt) val roads = Array.fill(m){ val Array(u, v) = readLine().split(' ').map(_.toInt) (u, v) } val current = Array.fill(n){0.asModInt} current(0) = 1.asModInt for _ <- 0 until t do val next = Array.fill(n){0.asModInt} for (u, v) <- roads do next(v) += current(u) next(u) += current(v) next.copyToArray(current) println(current(0).asLong)