結果
問題 | No.1645 AB's abs |
ユーザー | 👑 箱星 |
提出日時 | 2021-08-13 21:54:03 |
言語 | Kotlin (1.9.23) |
結果 |
AC
|
実行時間 | 449 ms / 2,000 ms |
コード長 | 2,719 bytes |
コンパイル時間 | 14,887 ms |
コンパイル使用メモリ | 460,264 KB |
実行使用メモリ | 90,692 KB |
最終ジャッジ日時 | 2024-04-14 17:43:22 |
合計ジャッジ時間 | 31,895 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 282 ms
58,416 KB |
testcase_01 | AC | 288 ms
58,308 KB |
testcase_02 | AC | 322 ms
60,856 KB |
testcase_03 | AC | 278 ms
58,432 KB |
testcase_04 | AC | 279 ms
58,344 KB |
testcase_05 | AC | 270 ms
58,432 KB |
testcase_06 | AC | 282 ms
58,348 KB |
testcase_07 | AC | 284 ms
58,296 KB |
testcase_08 | AC | 328 ms
61,164 KB |
testcase_09 | AC | 343 ms
63,032 KB |
testcase_10 | AC | 323 ms
60,924 KB |
testcase_11 | AC | 321 ms
61,084 KB |
testcase_12 | AC | 323 ms
60,972 KB |
testcase_13 | AC | 434 ms
90,548 KB |
testcase_14 | AC | 380 ms
77,408 KB |
testcase_15 | AC | 439 ms
90,692 KB |
testcase_16 | AC | 430 ms
86,400 KB |
testcase_17 | AC | 428 ms
86,372 KB |
testcase_18 | AC | 432 ms
84,432 KB |
testcase_19 | AC | 424 ms
86,368 KB |
testcase_20 | AC | 373 ms
77,484 KB |
testcase_21 | AC | 415 ms
84,440 KB |
testcase_22 | AC | 414 ms
86,420 KB |
testcase_23 | AC | 419 ms
86,408 KB |
testcase_24 | AC | 416 ms
90,544 KB |
testcase_25 | AC | 415 ms
90,540 KB |
testcase_26 | AC | 413 ms
86,388 KB |
testcase_27 | AC | 423 ms
90,556 KB |
testcase_28 | AC | 408 ms
88,540 KB |
testcase_29 | AC | 425 ms
90,520 KB |
testcase_30 | AC | 414 ms
90,448 KB |
testcase_31 | AC | 421 ms
90,580 KB |
testcase_32 | AC | 412 ms
90,560 KB |
testcase_33 | AC | 430 ms
90,496 KB |
testcase_34 | AC | 431 ms
90,460 KB |
testcase_35 | AC | 431 ms
90,684 KB |
testcase_36 | AC | 449 ms
90,584 KB |
testcase_37 | AC | 427 ms
90,580 KB |
testcase_38 | AC | 307 ms
58,796 KB |
ソースコード
import java.io.PrintWriter import java.util.* import kotlin.math.* fun PrintWriter.solve() { val n = nextInt() val a = Array(n) { nextInt() } var map = mutableMapOf<Int, ModInt>() map[0] = ModInt(1) for (i in 0 until n) { val map2 = mutableMapOf<Int, ModInt>() for (k in map.keys) { map2[k + a[i]] = (map2[k + a[i]] ?: ModInt(0)) + map[k]!! val v = (k - a[i]).absoluteValue map2[v] = (map2[v] ?: ModInt(0)) + map[k]!! } map = map2 } var ans = ModInt(0) for ((k, v) in map) { ans += k.toModInt() * v } println(ans) } // region ModInt class ModInt(x: Long) { companion object { //const val MOD = 1000000007L const val MOD = 998244353L } constructor(y: Int) : this(y.toLong()) val x = (x % MOD + MOD) % MOD operator fun plus(other: ModInt): ModInt { return ModInt(x + other.x) } operator fun minus(other: ModInt): ModInt { return ModInt(x - other.x) } operator fun times(other: ModInt): ModInt { return ModInt(x * other.x) } operator fun div(other: ModInt): ModInt { return this * other.inv() } fun pow(exp: Long): ModInt { if (exp == 0L) return ModInt(1L) var a = pow(exp shr 1) a *= a if (exp and 1L == 0L) return a return this * a } fun inv(): ModInt { return this.pow(MOD - 2) } override fun equals(other: Any?): Boolean { if (this === other) return true if (javaClass != other?.javaClass) return false other as ModInt if (x != other.x) return false return true } override fun hashCode(): Int { return x.hashCode() } override fun toString(): String { return "$x" } } fun Long.toModInt(): ModInt { return ModInt(this) } fun Int.toModInt(): ModInt { return ModInt(this) } fun binomSimple(n: Long, k: Long): ModInt { var numer = ModInt(1) var denom = ModInt(1) for (i in 0 until k) { numer *= ModInt(n - i) denom *= ModInt(k - i) } return numer / denom } // endregion fun main() { Thread(null, { val writer = PrintWriter(System.out, false) writer.solve() writer.flush() }, "solve", 1.shl(26)).start() } // region Scanner private var st = StringTokenizer("") private val br = System.`in`.bufferedReader() fun next(): String { while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine()) return st.nextToken() } fun nextInt() = next().toInt() fun nextLong() = next().toLong() fun nextLine() = br.readLine() fun nextDouble() = next().toDouble() // endregion