結果
問題 | No.1646 Avoid Palindrome |
ユーザー | yakamoto |
提出日時 | 2021-08-13 23:29:54 |
言語 | Kotlin (1.9.23) |
結果 |
AC
|
実行時間 | 790 ms / 3,000 ms |
コード長 | 4,630 bytes |
コンパイル時間 | 16,645 ms |
コンパイル使用メモリ | 438,872 KB |
実行使用メモリ | 60,772 KB |
最終ジャッジ日時 | 2023-08-08 10:22:38 |
合計ジャッジ時間 | 46,265 ms |
ジャッジサーバーID (参考情報) |
judge14 / 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 | 268 ms
53,760 KB |
testcase_01 | AC | 267 ms
53,772 KB |
testcase_02 | AC | 269 ms
53,644 KB |
testcase_03 | AC | 273 ms
53,576 KB |
testcase_04 | AC | 751 ms
60,772 KB |
testcase_05 | AC | 678 ms
58,956 KB |
testcase_06 | AC | 742 ms
60,212 KB |
testcase_07 | AC | 742 ms
59,828 KB |
testcase_08 | AC | 674 ms
59,744 KB |
testcase_09 | AC | 721 ms
59,800 KB |
testcase_10 | AC | 670 ms
59,380 KB |
testcase_11 | AC | 745 ms
60,644 KB |
testcase_12 | AC | 673 ms
59,076 KB |
testcase_13 | AC | 751 ms
60,276 KB |
testcase_14 | AC | 739 ms
58,768 KB |
testcase_15 | AC | 754 ms
58,508 KB |
testcase_16 | AC | 741 ms
58,696 KB |
testcase_17 | AC | 758 ms
58,744 KB |
testcase_18 | AC | 745 ms
58,636 KB |
testcase_19 | AC | 751 ms
58,516 KB |
testcase_20 | AC | 752 ms
58,708 KB |
testcase_21 | AC | 760 ms
58,688 KB |
testcase_22 | AC | 746 ms
58,676 KB |
testcase_23 | AC | 763 ms
58,720 KB |
testcase_24 | AC | 775 ms
58,460 KB |
testcase_25 | AC | 770 ms
58,668 KB |
testcase_26 | AC | 776 ms
58,696 KB |
testcase_27 | AC | 777 ms
58,508 KB |
testcase_28 | AC | 775 ms
58,700 KB |
testcase_29 | AC | 708 ms
60,532 KB |
testcase_30 | AC | 725 ms
60,480 KB |
testcase_31 | AC | 735 ms
60,680 KB |
testcase_32 | AC | 729 ms
59,964 KB |
testcase_33 | AC | 728 ms
60,120 KB |
testcase_34 | AC | 770 ms
58,852 KB |
testcase_35 | AC | 267 ms
53,772 KB |
testcase_36 | AC | 264 ms
53,916 KB |
testcase_37 | AC | 263 ms
53,960 KB |
testcase_38 | AC | 260 ms
54,008 KB |
testcase_39 | AC | 260 ms
54,172 KB |
testcase_40 | AC | 262 ms
53,516 KB |
testcase_41 | AC | 266 ms
53,736 KB |
testcase_42 | AC | 268 ms
53,820 KB |
testcase_43 | AC | 790 ms
60,392 KB |
コンパイルメッセージ
Main.kt:178:11: 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:182:11: 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:186:11: 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:190:11: 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:192:11: 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:199:11: 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:206:11: 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:223:11: 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
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 = 998244353 fun powMod(a: Long, n: Long, mod: Int): Long { if (n == 0L) return 1 val res = powMod(a * a % mod, n / 2, mod) return if (n % 2 == 1L) res * a % mod else res } class Solver(stream: InputStream, private val out: java.io.PrintWriter) { private val reader = BufferedReader(InputStreamReader(stream), 32768) fun solve() { val N = ni() val S = ns() val R = 28 var cur = Array(2){LongArray(R*R)} var next = Array(2){LongArray(R*R)} cur[0][26*R + 27] = 1 fun countPal(): Long { for (i in 0 until N) { next[0].fill(0) next[1][0] = 0 val sum1 = LongArray(R) val sum2 = LongArray(R) for (c1 in 0 until R) { for (c2 in 0 until R) { val s = c1 * R + c2 sum1[c1] += cur[0][s] sum2[c2] += cur[0][s] } } debug{"i:$i"} debug(sum1) debug(sum2) fun doIt(c3: Int) { next[1][0] += sum1[c3] + sum2[c3] for (c2 in 0 until R) { if (c2 == c3) continue next[0][c2*R + c3] += sum2[c2] + MOD - (cur[0][c3*R+c2])%MOD } } if (S[i] == '?') { for (c3 in 0 until 26) { doIt(c3) next[1][0] += cur[1][0] } } else { val c3 = S[i]-'a' doIt(c3) next[1][0] += cur[1][0] } for (c1 in 0 until R) { for (c2 in 0 until R) { val s = c1*R + c2 next[0][s] = next[0][s] % MOD next[1][0] = next[1][0] % MOD } } val tmp = cur cur = next next = tmp } return cur[1][0] } val M = S.count{it == '?'} val ans = (powMod(26, M.toLong(), MOD) + (MOD - countPal())) % MOD 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())} companion object { // TestRunnerから呼びたいので単純なmainじゃだめ fun main() { val out = java.io.PrintWriter(System.out) Solver(System.`in`, out).solve() out.flush() } } } /** * judgeから呼ばれる */ fun main() = Solver.main()