結果
問題 | No.1043 直列大学 |
ユーザー | yakamoto |
提出日時 | 2020-05-01 22:10:05 |
言語 | Kotlin (1.9.23) |
結果 |
AC
|
実行時間 | 407 ms / 2,000 ms |
コード長 | 3,406 bytes |
コンパイル時間 | 18,889 ms |
コンパイル使用メモリ | 434,008 KB |
実行使用メモリ | 57,272 KB |
最終ジャッジ日時 | 2023-08-24 05:47:17 |
合計ジャッジ時間 | 30,330 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge15 |
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 | 333 ms
55,048 KB |
testcase_01 | AC | 323 ms
55,300 KB |
testcase_02 | AC | 350 ms
57,016 KB |
testcase_03 | AC | 335 ms
55,356 KB |
testcase_04 | AC | 324 ms
55,216 KB |
testcase_05 | AC | 327 ms
54,988 KB |
testcase_06 | AC | 334 ms
55,432 KB |
testcase_07 | AC | 328 ms
55,696 KB |
testcase_08 | AC | 333 ms
55,144 KB |
testcase_09 | AC | 385 ms
55,112 KB |
testcase_10 | AC | 379 ms
54,980 KB |
testcase_11 | AC | 402 ms
57,272 KB |
testcase_12 | AC | 407 ms
54,952 KB |
testcase_13 | AC | 393 ms
55,300 KB |
testcase_14 | AC | 397 ms
55,248 KB |
testcase_15 | AC | 406 ms
54,912 KB |
testcase_16 | AC | 393 ms
55,276 KB |
testcase_17 | AC | 375 ms
55,304 KB |
testcase_18 | AC | 386 ms
55,156 KB |
testcase_19 | AC | 393 ms
55,144 KB |
testcase_20 | AC | 371 ms
55,176 KB |
testcase_21 | AC | 393 ms
54,952 KB |
testcase_22 | AC | 392 ms
55,432 KB |
testcase_23 | AC | 402 ms
54,912 KB |
testcase_24 | AC | 386 ms
54,968 KB |
testcase_25 | AC | 393 ms
55,860 KB |
testcase_26 | AC | 404 ms
55,088 KB |
testcase_27 | AC | 369 ms
55,368 KB |
testcase_28 | AC | 399 ms
55,500 KB |
testcase_29 | AC | 351 ms
55,104 KB |
testcase_30 | AC | 379 ms
55,228 KB |
ソースコード
import java.io.BufferedReader import java.io.InputStream import java.io.InputStreamReader import java.util.* import kotlin.math.abs import kotlin.math.log2 import kotlin.math.max import kotlin.math.min val MOD = 1_000_000_007L val MAX = 100_000 class Solver(stream: InputStream, private val out: java.io.PrintWriter) { fun solve() { val N = ni() val M = ni() val V = na(N) val R = na(M) val A = nl() val B = nl() val MAX = if (isDebug) 25 else 100_000 fun calc(A: IntArray): LongArray { var cur = LongArray(MAX + 1) var next = LongArray(MAX + 1) cur[0] = 1 for (a in A) { Arrays.fill(next, 0) for (i in 0 until MAX) { next[i] += cur[i] next[i] %= MOD if (i + a > MAX) continue next[i + a] += cur[i] next[i + a] %= MOD } val tmp = cur cur = next next = tmp } return cur } val dpV = calc(V) val dpR = calc(R) debug(dpV) debug(dpR) val cumDpV = LongArray(MAX + 2) for (i in 0 .. MAX) { cumDpV[i + 1] = (cumDpV[i] + dpV[i]) % MOD } var ans = 0L for (sumR in 1 .. MAX) { val lL = A * sumR val rL = B * sumR if (lL > MAX) continue val l = lL.toInt() val r = min(MAX.toLong(), rL).toInt() val cnt = (MOD + cumDpV[r + 1] - cumDpV[l]) % MOD ans += cnt * dpR[sumR] % MOD } out.println(ans % MOD) } 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 val reader = BufferedReader(InputStreamReader(stream), 32768) 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 map(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 map(n: Int, f: (Int) -> Int): IntArray { val res = IntArray(n) for (i in 0 until n) { res[i] = f(i) } return res } private inline fun debug(msg: () -> String) { if (isDebug) System.err.println(msg()) } private fun debug(a: LongArray) { debug { a.joinToString(" ") } } private fun debug(a: IntArray) { debug { a.joinToString(" ") } } private fun debug(a: BooleanArray) { debug { a.map { if (it) 1 else 0 }.joinToString("") } } private fun debugDim(A: Array<IntArray>) { 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) } } fun main() { val out = java.io.PrintWriter(System.out) Solver(System.`in`, out).solve() out.flush() }