結果
問題 | No.1463 Hungry Kanten |
ユーザー |
![]() |
提出日時 | 2021-04-02 22:20:17 |
言語 | Kotlin (2.1.0) |
結果 |
AC
|
実行時間 | 731 ms / 2,000 ms |
コード長 | 3,317 bytes |
コンパイル時間 | 16,684 ms |
コンパイル使用メモリ | 461,328 KB |
実行使用メモリ | 130,576 KB |
最終ジャッジ日時 | 2024-12-23 23:37:19 |
合計ジャッジ時間 | 26,384 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 20 |
コンパイルメッセージ
Main.kt:128:11: 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:132:11: 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: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: BooleanArray) { ^ 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 toString(a: BooleanArray) = run{a.map { if (it) 1 else 0 }.joinToString("")} ^ Main.kt:142:11: 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:149:11: 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:156:11: 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:173:11: 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.math.BigIntegerimport 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 (N, K) = na(2)val A = na(N)val ans = mutableListOf<BigInteger>()for (bit in 0 until (1 shl N)) {if (Integer.bitCount(bit) < K) continuevar sum = 0Lvar prod = BigInteger.ONEfor (i in 0 until N) {if (bit shr i and 1 == 1) {sum += A[i]prod = prod.times(BigInteger.valueOf(A[i].toLong()))}}ans += BigInteger.valueOf(sum)ans += prod}out.println(ans.distinct().size)}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())}}fun main() {val out = java.io.PrintWriter(System.out)Solver(System.`in`, out).solve()out.flush()}