結果
問題 | No.1916 Making Palindrome on Gird |
ユーザー | yakamoto |
提出日時 | 2022-04-29 22:22:28 |
言語 | Kotlin (1.9.23) |
結果 |
AC
|
実行時間 | 626 ms / 3,000 ms |
コード長 | 4,556 bytes |
コンパイル時間 | 16,459 ms |
コンパイル使用メモリ | 445,696 KB |
実行使用メモリ | 200,708 KB |
最終ジャッジ日時 | 2023-09-11 13:42:49 |
合計ジャッジ時間 | 31,822 ms |
ジャッジサーバーID (参考情報) |
judge15 / judge13 |
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 | 266 ms
50,248 KB |
testcase_01 | AC | 265 ms
50,400 KB |
testcase_02 | AC | 266 ms
52,484 KB |
testcase_03 | AC | 266 ms
50,384 KB |
testcase_04 | AC | 263 ms
52,480 KB |
testcase_05 | AC | 262 ms
50,548 KB |
testcase_06 | AC | 265 ms
52,420 KB |
testcase_07 | AC | 264 ms
52,424 KB |
testcase_08 | AC | 266 ms
52,296 KB |
testcase_09 | AC | 265 ms
52,144 KB |
testcase_10 | AC | 265 ms
50,308 KB |
testcase_11 | AC | 267 ms
52,820 KB |
testcase_12 | AC | 264 ms
50,576 KB |
testcase_13 | AC | 443 ms
87,776 KB |
testcase_14 | AC | 380 ms
84,236 KB |
testcase_15 | AC | 531 ms
116,172 KB |
testcase_16 | AC | 437 ms
75,096 KB |
testcase_17 | AC | 549 ms
153,036 KB |
testcase_18 | AC | 481 ms
199,776 KB |
testcase_19 | AC | 535 ms
200,248 KB |
testcase_20 | AC | 517 ms
200,304 KB |
testcase_21 | AC | 518 ms
200,484 KB |
testcase_22 | AC | 518 ms
200,352 KB |
testcase_23 | AC | 453 ms
200,216 KB |
testcase_24 | AC | 519 ms
200,652 KB |
testcase_25 | AC | 501 ms
200,700 KB |
testcase_26 | AC | 521 ms
200,684 KB |
testcase_27 | AC | 451 ms
200,148 KB |
testcase_28 | AC | 626 ms
200,496 KB |
testcase_29 | AC | 590 ms
200,708 KB |
testcase_30 | AC | 594 ms
200,300 KB |
testcase_31 | AC | 581 ms
200,644 KB |
testcase_32 | AC | 538 ms
199,704 KB |
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.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 = 1_000_000_007 class 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 - 1 val dp = Array(N){Array(H){LongArray(H)}} if (N == 1) { out.println(1) return } val (m00, m01) = if (N % 2 == 1) { val m = N/2 for (h in 0 until H) { val w = m - h if (w !in 0 until W) continue dp[m][h][h] = 1 } Pair(N/2 - 1, N/2 + 1) } else { val m = N/2 - 1 for (h in 0 until H) { val w = m - h if (w !in 0 until W) continue debug{"m:$m h:$h"} if (h + 1 in 0 until H && grid[h][w] == grid[h + 1][w]) dp[m][h][h + 1] = 1 if (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 - i val m1 = m01 + i for (h0 in 0 until H) { val w0 = m0 - h0 if (w0 !in 0 until W) continue for (h1 in 0 until H) { val w1 = m1 - h1 if (w1 !in 0 until W) continue if (grid[h0][w0] != grid[h1][w1]) continue for (dh0 in 0 until 2) { for (dh1 in -1 .. 0) { if (h0 + dh0 !in 0 until H) continue if (h1 + dh1 !in 0 until H) continue dp[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? = 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()