Pakkaus

import scala.io.StdIn
import scala.collection.mutable.Buffer

object Kisa extends App {
  val arg = StdIn.readLine()
  println(unPack(arg))
   def unPack(packed: String) = {
	   var ret = ""
	   var temp = ""
	   var amount = ""
	   var char = false
	   val arvot = Buffer[Int]()
	   val tekstit = Buffer[String]()
	   for(c <- packed){
	     if(c < 'A'){
	       if(char){
	         tekstit += temp
	         temp = ""
	         char = false
	       }
	       amount += c
	     }else{
	       if(!char){
	         arvot += amount.toInt
	         amount = ""
	         char = true
	       }
	       temp += c
	     }
	   }
	   tekstit += temp
	   for (i <- arvot.indices)ret += tekstit(i) * arvot(i)
	   ret
  }
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED