結果
問題 | No.672 最長AB列 |
ユーザー |
|
提出日時 | 2018-04-15 02:43:29 |
言語 | Scala(Beta) (3.6.2) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 1,710 bytes |
コンパイル時間 | 16,761 ms |
コンパイル使用メモリ | 277,760 KB |
実行使用メモリ | 70,744 KB |
最終ジャッジ日時 | 2025-03-11 09:07:48 |
合計ジャッジ時間 | 23,950 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | TLE * 1 -- * 2 |
other | -- * 16 |
ソースコード
import java.util.Scannerimport scala.collection.Searching._import scala.annotation.tailrecimport scala.collection.immutable.{NumericRange, Queue}import scala.collection.mutableimport scala.io.StdIn.readLineclass IUnionFind(val size: Int) {private case class Node(var parent: Option[Int], var treeSize: Int)private val nodes = Array.fill[Node](size)(new Node(None, 1))def union(t1: Int, t2: Int): IUnionFind = {if (t1 == t2) return thisval root1 = root(t1)val root2 = root(t2)if (root1 == root2) return thisval node1 = nodes(root1)val node2 = nodes(root2)if (node1.treeSize < node2.treeSize) {node1.parent = Some(t2)node2.treeSize += node1.treeSize} else {node2.parent = Some(t1)node1.treeSize += node2.treeSize}this}def connected(t1: Int, t2: Int): Boolean = t1 == t2 || root(t1) == root(t2)def root(t: Int): Int = nodes(t).parent match {case None => tcase Some(p) => root(p)}}object Main {def solve(sc: => Scanner): Unit = {val A = sc.nextvar count = 0val M = scala.collection.mutable.Map[Int, (Int, Int)]()M(0) = (-1, -1)for (i <- Range(0, A.size)) {val c = A(i)c match {case 'A' => count += 1case 'B' => count -= 1}if (!M.contains(count)) {M(count) = (i, i)} else {M(count) = (M(count)._1, i)}}println(M.map(x => x._2._2 - x._2._1).max)}def gcd(i: Long, j: Long): Long = {if (i < j) (gcd(j, i)) else (if (j == 0) (i) else (gcd(j, i % j)))}def main(args: Array[String]): Unit = {val sc: Scanner = new Scanner(System.in)solve(sc)}}