結果
問題 |
No.1 道のショートカット
|
ユーザー |
![]() |
提出日時 | 2019-08-29 04:45:53 |
言語 | Kotlin (2.1.0) |
結果 |
AC
|
実行時間 | 1,142 ms / 5,000 ms |
コード長 | 2,326 bytes |
コンパイル時間 | 17,374 ms |
コンパイル使用メモリ | 453,960 KB |
実行使用メモリ | 94,408 KB |
最終ジャッジ日時 | 2024-07-20 16:43:00 |
合計ジャッジ時間 | 39,692 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 40 |
コンパイルメッセージ
Main.kt:3:10: warning: parameter 'args' is never used fun main(args: Array<String>){ ^ Main.kt:6:9: warning: variable 'roadCount' is never used val roadCount = readLine()!!.toInt() ^ Main.kt:62:38: warning: unnecessary non-null assertion (!!) on a non-null receiver of type Map.Entry<Int, Int> println(it.minBy { it.value }!!.value) ^
ソースコード
import java.util.* fun main(args: Array<String>){ val cityCount = readLine()!!.toInt() val maxMoney = readLine()!!.toInt() val roadCount = readLine()!!.toInt() val roadStartList = readLine()!!.split(" ").map { it.toInt() } val roadToList = readLine()!!.split(" ").map { it.toInt() } val roadChargeList = readLine()!!.split(" ").map { it.toInt() } val roadTimeList = readLine()!!.split(" ").map { it.toInt() } // start, to, Road val road = mutableMapOf<Int, MutableMap<Int, MutableList<Road>>>() for(i in roadStartList.indices) { val startCity = roadStartList[i] val toCity = roadToList[i] val charge = roadChargeList[i] val time = roadTimeList[i] if(!road.containsKey(startCity)) { road[startCity] = mutableMapOf() } if(!road[startCity]!!.containsKey(toCity)) { road[startCity]!![toCity] = mutableListOf() } road[startCity]!![toCity]!!.add(Road(charge, time)) } val queue = LinkedList<Task>() // city, charge, time val map = mutableMapOf<Int, MutableMap<Int, Int>>() queue.push(Task(1, 0, 0)) while (queue.isNotEmpty()) { val task = queue.pop() if(!map.containsKey(task.location)) { map[task.location] = mutableMapOf() } if(!map[task.location]!!.containsKey(task.subTotalCharge)) { map[task.location]!![task.subTotalCharge] = task.time } else if(map[task.location]!![task.subTotalCharge]!! > task.time) { map[task.location]!![task.subTotalCharge] = task.time } else { continue } road[task.location]?.let { it.forEach { val toCity = it.key it.value.forEach{ val subCharge = task.subTotalCharge + it.charge val subTotalTime = task.time + it.time if(subCharge <= maxMoney) { queue.push(Task(toCity, subCharge, subTotalTime)) } } } } } map[cityCount]?.let { println(it.minBy { it.value }!!.value) } ?: run { println("-1") } } class Road(val charge:Int, val time:Int) class Task(val location:Int, val subTotalCharge:Int, val time:Int)