結果
| 問題 |
No.1029 JJOOII 3
|
| コンテスト | |
| ユーザー |
yakamoto
|
| 提出日時 | 2020-04-24 01:57:47 |
| 言語 | Kotlin (2.1.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,540 bytes |
| コンパイル時間 | 18,023 ms |
| コンパイル使用メモリ | 453,440 KB |
| 実行使用メモリ | 203,780 KB |
| 最終ジャッジ日時 | 2024-10-14 10:53:50 |
| 合計ジャッジ時間 | 24,319 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 1 TLE * 1 -- * 36 |
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.max
import kotlin.math.min
data class Entry(val s: String, val c: Long)
data class Edge(val v: Int, val weight: Long)
data class Visit(val v: Int, val cost: Long)
val INF = 1e18.toLong()
fun dijk(g: Array<MutableList<Edge>>, s: Int): LongArray {
val D = LongArray(g.size){INF}
D[s] = 0
val que = PriorityQueue<Visit>(compareBy { it.cost })
que.add(Visit(s, 0))
while(que.isNotEmpty()) {
val v = que.poll()!!
if (v.cost != D[v.v]) continue
for (i in 0 until g[v.v].size) {
val e = g[v.v][i]
if (v.cost + e.weight < D[e.v]) {
D[e.v] = v.cost + e.weight
que.add(Visit(e.v, D[e.v]))
}
}
}
return D
}
class Solver(stream: InputStream, private val out: java.io.PrintWriter) {
fun solve() {
val N = ni()
val K = ni()
val E = Array(N){Entry(ns(), nl())}
val g = Array(K * 3 + 1) { mutableListOf<Edge>()}
val JOI = "JOI"
fun calcEnd(s: String, start: Int): Int {
var cur = start
for (i in 0 until s.length) {
if (cur == 3 * K) return cur
if (s[i] == JOI[cur / K]) cur++
}
return cur
}
for (e in E) {
for (s in 0 until 3 * K) {
val end = calcEnd(e.s, s)
if (end > s) {
g[s].add(Edge(end, e.c))
}
}
}
debug{g.joinToString(" ")}
val D = dijk(g, 0)
debug(D)
val cost = D[3 * K]
if (cost == INF) out.println(-1) else out.println(cost)
}
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()
}
yakamoto