题解 | #明明的随机数#

import scala.collection.mutable
import scala.io.StdIn
import scala.util.Random

object Main {

  def main(args: Array[String]): Unit = {
   val i: Int = StdIn.readInt()
   val random = new Random

  val set = mutable.Set[Int]()

  for (elem <- 1 to i) {
        set.add(StdIn.readInt())
      // set.add(random.nextInt(i)+1)
  }

  set.toList.sorted.foreach(println)
      
  }
}