結果
| 問題 |
No.1937 Various Tournament
|
| コンテスト | |
| ユーザー |
 yakamoto
|
| 提出日時 | 2022-05-14 20:55:43 |
| 言語 | Kotlin (2.1.0) |
| 結果 |
AC
|
| 実行時間 | 1,097 ms / 2,000 ms |
| コード長 | 4,961 bytes |
| コンパイル時間 | 18,714 ms |
| コンパイル使用メモリ | 460,840 KB |
| 実行使用メモリ | 88,588 KB |
| 最終ジャッジ日時 | 2024-07-23 07:57:32 |
| 合計ジャッジ時間 | 61,437 ms |
|
ジャッジサーバーID （参考情報） |
judge2 / judge4 |
（要ログイン）
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 47 |
コンパイルメッセージ
Main.kt:187:11: 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:191:11: 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:195:11: 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:199:11: 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:201:11: 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:208:11: 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:215:11: 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:232:11: 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
fun iterateKSizeSets(M: Int, k: Int, f: (Int) -> Unit) {
var set = 0
for (i in 0 until k) {
set = set or (1 shl i)
}
while(set < (1 shl M)) {
f(set)
val x = set and -set // 最初の1のビット
val y = set + x
set = (set and y.inv()) / x shr 1 or y
}
}
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
private val reader = BufferedReader(InputStreamReader(stream), 32768)
fun solve() {
val N0 = ni()
val g = Array(N0){na(N0)}
val memo = arrayOfNulls<LongArray>(1 shl 16)
var cnt = 0
fun dfs(N: Int, P: IntArray): LongArray {
// debug{"dps($N) P:${P.toList()}"}
cnt++
if (N == 1) return longArrayOf(1)
if (N == 4) {
var s = 0
for (i in 0 until N) {
s *= 16
s += P[i]
}
if (memo[s] != null) return memo[s]!!
}
fun split(set: Int): Pair<IntArray, IntArray> {
val P0 = IntArray(N/2) // P基準
val P1 = IntArray(N/2)
var j = 0
var k = 0
for (i in 0 until N) {
if (set shr i and 1 == 1) {
P0[j++] = i
}
else {
P1[k++] = i
}
}
// debug{"P0:${P0.toList()} P1:${P1.toList()}"}
return Pair(P0, P1)
}
val win = LongArray(N) // P基準
iterateKSizeSets(N, N/2) { set ->
val (P0, P1) = split(set) // P基準
val res0 = dfs(N / 2, P0.map{P[it]}.toIntArray()) // 絶対基準で渡す
val res1 = dfs(N / 2, P1.map{P[it]}.toIntArray())
for (i in 0 until N/2) {
for (j in 0 until N/2) {
if (g[P[P0[i]]][P[P1[j]]] == 1) { // 絶対基準でgを調べる
win[P0[i]] += res0[i] * res1[j]
}
else {
win[P1[j]] += res0[i] * res1[j]
}
}
}
}
if (N == 4) {
var s = 0
for (i in 0 until N) {
s *= 16
s += P[i]
}
memo[s] = win
}
return win
}
val ans = dfs(N0, IntArray(N0){it})
debug{"cnt:$cnt"}
ans.forEach { println(it) }
}
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()