結果
問題 | No.1407 Kindness |
ユーザー |
![]() |
提出日時 | 2021-02-26 21:44:32 |
言語 | Kotlin (2.1.0) |
結果 |
AC
|
実行時間 | 1,060 ms / 2,000 ms |
コード長 | 3,452 bytes |
コンパイル時間 | 17,500 ms |
コンパイル使用メモリ | 459,488 KB |
実行使用メモリ | 76,216 KB |
最終ジャッジ日時 | 2024-10-02 14:20:55 |
合計ジャッジ時間 | 40,113 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 36 |
コンパイルメッセージ
Main.kt:136:11: 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:140:11: 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: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: BooleanArray) { ^ 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 toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")} ^ Main.kt:150:11: 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:157:11: 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:164:11: 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:181:11: 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.BufferedReaderimport java.io.InputStreamimport java.io.InputStreamReaderimport java.lang.AssertionErrorimport java.util.*import kotlin.math.absimport kotlin.math.maximport kotlin.math.minval MOD = 1_000_000_007class Solver(stream: InputStream, private val out: java.io.PrintWriter) {private val reader = BufferedReader(InputStreamReader(stream), 32768)private val S = ns().map{it-'0'}fun solve() {val th = Thread(null, Runnable {solve2()}, "solve", 1 shl 26)th.start()th.join()}fun solve2() {val N = S.sizeval dp = Array(N){Array(2){LongArray(2){-1}} }fun get(i: Int, less: Int, leadingZero: Int): Long {if (i == N) return 1Lif (dp[i][less][leadingZero] != -1L) return dp[i][less][leadingZero]var v = 0Lval mx = if (less == 1) 9 else S[i]for (d in 0 .. mx) {val nless = less or (if (d < S[i]) 1 else 0)val nleadingZero = leadingZero and (if (d == 0) 1 else 0)val coef = if (leadingZero == 1 && i < N - 1) max(1, d) else d // 0回避v = (v + coef*get(i + 1, nless, nleadingZero)) % MOD}debug{"$i $less $leadingZero $v"}dp[i][less][leadingZero] = vreturn v}val ans = get(0, 0, 1)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? = nullprivate 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())}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()}}fun main() {val out = java.io.PrintWriter(System.out)Solver(System.`in`, out).solve()out.flush()}