結果
問題 | No.1854 Limited Bubble Sort |
ユーザー | yudedako |
提出日時 | 2022-03-14 00:17:47 |
言語 | Scala(Beta) (3.4.0) |
結果 |
AC
|
実行時間 | 1,104 ms / 2,000 ms |
コード長 | 1,965 bytes |
コンパイル時間 | 11,773 ms |
コンパイル使用メモリ | 269,760 KB |
実行使用メモリ | 67,268 KB |
最終ジャッジ日時 | 2024-09-19 08:01:27 |
合計ジャッジ時間 | 40,206 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 850 ms
63,908 KB |
testcase_01 | AC | 882 ms
63,780 KB |
testcase_02 | AC | 929 ms
63,792 KB |
testcase_03 | AC | 915 ms
64,072 KB |
testcase_04 | AC | 923 ms
64,032 KB |
testcase_05 | AC | 907 ms
64,108 KB |
testcase_06 | AC | 893 ms
64,216 KB |
testcase_07 | AC | 860 ms
64,308 KB |
testcase_08 | AC | 885 ms
64,244 KB |
testcase_09 | AC | 910 ms
64,000 KB |
testcase_10 | AC | 1,104 ms
64,224 KB |
testcase_11 | AC | 1,069 ms
64,900 KB |
testcase_12 | AC | 973 ms
64,176 KB |
testcase_13 | AC | 1,095 ms
65,516 KB |
testcase_14 | AC | 1,000 ms
64,208 KB |
testcase_15 | AC | 954 ms
64,212 KB |
testcase_16 | AC | 1,082 ms
65,284 KB |
testcase_17 | AC | 1,070 ms
65,404 KB |
testcase_18 | AC | 1,064 ms
66,004 KB |
testcase_19 | AC | 1,084 ms
65,488 KB |
testcase_20 | AC | 1,068 ms
66,288 KB |
testcase_21 | AC | 988 ms
64,820 KB |
testcase_22 | AC | 1,062 ms
67,124 KB |
testcase_23 | AC | 1,078 ms
65,484 KB |
testcase_24 | AC | 1,096 ms
67,268 KB |
testcase_25 | AC | 965 ms
64,568 KB |
ソースコード
import java.io.PrintWriter import scala.collection.mutable.* import scala.io.StdIn.* import scala.util.chaining.* import scala.math.* import scala.reflect.ClassTag import scala.util.* import scala.annotation.tailrec import scala.collection.mutable def solve(permutation: Array[Int]): Option[ArrayBuffer[Int]] = if permutation.forall(permutation.indices.contains(_)) then permutation.indices.find(i => permutation(i) == i) match case Some(i) => solve(permutation.slice(0, i)).flatMap(result => solve(permutation.slice(i + 1, permutation.length).map(_ - i - 1)).map(_.map(_ + i + 1) ++ result)) case None => Some(solveFlat(permutation)) else None def solveFlat(array: Array[Int]): ArrayBuffer[Int] = if array.isEmpty then return ArrayBuffer.empty val indices = Array.fill(array.length){0} val leftCount = Array.fill(array.length){0} for (a, i) <- array.zipWithIndex do indices(a) = i leftCount(a) = (0 until i).count(j => array(j) < array(i)) val result = ArrayBuffer[Int]() val current = array.clone() def swap(i: Int) = if current(i) < current(i + 1) then leftCount(current(i + 1)) -= 1 else leftCount(current(i)) += 1 val temp = current(i) current(i) = current(i + 1) current(i + 1) = temp indices(current(i)) = i indices(current(i + 1)) = i + 1 result.addOne(i + 1) for i <- array.indices do for j <- i until indices(i) do if current(j) != j + 1 && current(j + 1) == j + 2 && leftCount(j + 2) + 1 != j + 2 then swap(j) for j <- indices(i) until i by -1 do swap(j - 1) result @main def main = val testCount = readLine().toInt for testCase <- 1 to testCount do val n = readLine().toInt val permutation = readLine().split(' ').map(_.toInt - 1) solve(permutation) match case Some(result) => println(result.size) println(result.mkString(" ")) case None => println(-1)