Järjestys

import scala.io.StdIn
 
import scala.collection.mutable.Buffer
 
 
object lol extends App {
    val num = scala.io.StdIn.readLine().toInt
  var nums = scala.io.StdIn.readLine().split(" ").map{
    _.toInt
  }.toArray.toVector
  
 
  var q = nums.length-1
 
  var end = true
  val kaannot = Buffer[Int]()
 
  def isSorted(x: Vector[Int]): Boolean = {
    var prev = -1
    for(i <- x){
      if(i < prev)
        return false
      else
        prev = i
    }
    return true
  }
 
  while(!isSorted(nums)){
 
 
    if(end){
        val index = nums.indexOf(nums.slice(0, q+1).reduceLeft(_ max _))
        nums = nums.slice(0, index+1).reverse ++ nums.slice(index+1, nums.length)
        kaannot += index+1
    }else{
        nums = nums.slice(0,q+1).reverse ++ nums.slice(q+1, nums.length)
        kaannot += q+1
        q = q - 1
    }
 
 
    end = !end
  }
  println(kaannot.length)
  for(kaanto <- kaannot){
    println(kaanto)
  }
  
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED

Test 3

Group: 3

Verdict: TIME LIMIT EXCEEDED