結果
問題 | No.1916 Making Palindrome on Gird |
ユーザー |
![]() |
提出日時 | 2022-04-29 22:22:28 |
言語 | Kotlin (2.1.0) |
結果 |
AC
|
実行時間 | 538 ms / 3,000 ms |
コード長 | 4,556 bytes |
コンパイル時間 | 18,648 ms |
コンパイル使用メモリ | 469,404 KB |
実行使用メモリ | 184,228 KB |
最終ジャッジ日時 | 2024-06-29 03:56:51 |
合計ジャッジ時間 | 28,270 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
コンパイルメッセージ
Main.kt:168:11: 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:172:11: 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:176:11: 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:180:11: 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:182:11: 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:189:11: 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:196:11: 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:213:11: 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)fun solve() {val (H, W) = na(2)val grid = Array(H){ns()}val N = H + W - 1val dp = Array(N){Array(H){LongArray(H)}}if (N == 1) {out.println(1)return}val (m00, m01) = if (N % 2 == 1) {val m = N/2for (h in 0 until H) {val w = m - hif (w !in 0 until W) continuedp[m][h][h] = 1}Pair(N/2 - 1, N/2 + 1)}else {val m = N/2 - 1for (h in 0 until H) {val w = m - hif (w !in 0 until W) continuedebug{"m:$m h:$h"}if (h + 1 in 0 until H && grid[h][w] == grid[h + 1][w]) dp[m][h][h + 1] = 1if (w + 1 in 0 until W && grid[h][w] == grid[h][w + 1]) dp[m][h][h] = 1}Pair(N/2 - 2, N/2 + 1)}debug{"$m00:$m01"}for (i in 0 until N) {debug{"dp[$i]"}debug { dp[i].map { it.joinToString(" ") }.joinToString("\n") }}for (i in 0 .. min(N - m01, m00)) {val m0 = m00 - ival m1 = m01 + ifor (h0 in 0 until H) {val w0 = m0 - h0if (w0 !in 0 until W) continuefor (h1 in 0 until H) {val w1 = m1 - h1if (w1 !in 0 until W) continueif (grid[h0][w0] != grid[h1][w1]) continuefor (dh0 in 0 until 2) {for (dh1 in -1 .. 0) {if (h0 + dh0 !in 0 until H) continueif (h1 + dh1 !in 0 until H) continuedp[m0][h0][h1] = (dp[m0][h0][h1] + dp[m0 + 1][h0 + dh0][h1 + dh1]) % MOD}}}}}out.println(dp[0][0][H - 1])}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())}/*** 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()