結果
問題 | No.1011 Infinite Stairs |
ユーザー | mikhail |
提出日時 | 2020-03-20 21:35:57 |
言語 | Kotlin (1.9.23) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,368 bytes |
コンパイル時間 | 13,613 ms |
コンパイル使用メモリ | 459,740 KB |
実行使用メモリ | 191,940 KB |
最終ジャッジ日時 | 2024-05-08 21:11:20 |
合計ジャッジ時間 | 18,107 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(要ログイン)
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 | 277 ms
55,284 KB |
testcase_01 | AC | 280 ms
87,692 KB |
testcase_02 | AC | 311 ms
60,092 KB |
testcase_03 | TLE | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
コンパイルメッセージ
Main.kt:9:10: warning: parameter 'args' is never used fun main(args: Array<String>){ ^ Main.kt:56:129: warning: unnecessary non-null assertion (!!) on a non-null receiver of type Long fun max(a: Long = -LINF, b: Long = -LINF, c: Long = -LINF, d: Long = -LINF, e: Long = -LINF): Long = listOf(a, b, c, d, e).max()!!.toLong() ^ Main.kt:57:124: warning: unnecessary non-null assertion (!!) on a non-null receiver of type Long fun min(a: Long = LINF, b: Long = LINF, c: Long = LINF, d: Long = LINF, e: Long = LINF): Long = listOf(a, b, c, d, e).min()!!.toLong() ^
ソースコード
import java.util.* import java.io.PrintWriter val pw = PrintWriter(System.out) val MOD = 1000000007L val INF = 2147483647 val LINF = 9223372036854775807L fun main(args: Array<String>){ solve() pw.flush() } fun solve(){ val (n, d, k) = nextIntList() val dp = Array(n + 1) { LongArray(k + 1) { 0 }} dp[0][0] = 1 for (i in 0 until n) { for (j in 0..k) { for (l in j - d until j) { if(l < 0) continue dp[i + 1][j] = (dp[i + 1][j] + dp[i][l]) % MOD } } } println(dp[n][k] % MOD) } // Print fun println(v: String){ pw.println(v) } fun print(v: String){ pw.print(v) } // Read fun next() = readLine()!! fun nextInt() = next().toInt() fun nextLong() = next().toLong() fun nextDouble() = next().toDouble() fun nextList() = next().split(" ") fun nextIntList() = next().split(" ").map{ it.toInt() } fun nextLongList() = next().split(" ").map{ it.toLong() } fun nextDoubleList() = next().split(" ").map{ it.toDouble() } fun nextAryln(n: Int) = Array(n){ next() } fun nextIntAryln(n: Int) = IntArray(n){ nextInt() } fun nextLongAryln(n: Int) = LongArray(n){ nextLong() } fun nextDoubleAryln(n: Int) = DoubleArray(n) { nextDouble() } // Math fun abs(n: Long) : Long = Math.abs(n) fun max(a: Long = -LINF, b: Long = -LINF, c: Long = -LINF, d: Long = -LINF, e: Long = -LINF): Long = listOf(a, b, c, d, e).max()!!.toLong() fun min(a: Long = LINF, b: Long = LINF, c: Long = LINF, d: Long = LINF, e: Long = LINF): Long = listOf(a, b, c, d, e).min()!!.toLong() fun prime(from: Long, to: Long = from) : List<Long>{ return (from..to).filter{ i -> val max = Math.sqrt(i.toDouble()).toLong() (2..max).all{ j -> i % j != 0L} } } fun gcd(a: Long, b: Long) : Long = if(a % b == 0L) b else gcd(b, (a % b)) fun lcm(a: Long, b: Long) : Long = a / gcd(a, b) * b fun modpow(a: Long, n: Long, p:Long = MOD) : Long { var res = 1L var ar = a var nr = n while(nr > 0){ if((nr and 1) == 1L) res = res * ar % p ar = ar * ar % p nr = nr shr 1 } return res } fun modinv(a: Long, p: Long = MOD) : Long = modpow(a, p - 2, p) fun ncr(n: Long, r: Long) : Long { var a = 1L var b = 1L for (i in 1..r) { a = a * (n + 1 - i) % MOD b = b * i % MOD } return modinv(b, MOD) * a % MOD }