import Bank._
  import Ordering.Double.TotalOrdering
  val poczatkowa = 250d

  def oblicz(list:List[(String,Double)]):(Set[String],Double) = {
   val wynik = list
    .groupMapReduce(x => x._1)(x => x._2)(_+_) //Map[String,Double]
    .toList 
    .sortBy(x => x._1)
    .scanLeft(("",250d))((x,a) =>
      (a._1,x._2+a._2) 
    )
    .tail
    .groupMap(x => x._2)(x => x._1)
    .maxBy(_._1)
    
   (wynik._2.toSet,wynik._1) 
  
  }

  println(oblicz(dane))