Finished version of CodeEval Query Board problem

QueryBoard.scala

object Main {

  def main(args:Array[String]) {
    //val source = scala.io.Source.fromFile(args(0))
    val matrix = List.fill[Int](256, 256)(0)

    Array("SetCol 32 20",
          "SetRow 15 7",
          "SetRow 16 31",
          "QueryCol 32",
          "SetCol 2 14",
          "QueryRow 10",
          "SetCol 14 0",
          "QueryRow 15",
          "SetRow 10 1",
          "QueryCol 2")
          .filter(_.length > 0)
          .map(process)
          .foldLeft(matrix)((matrix, func) => func(matrix))
          


  }

  def process(line:String) = {
    val cmdInfo = line split " " 
     cmdInfo(0) match {
       case "SetCol" => setCol(cmdInfo(1), cmdInfo(2)) _
       case "SetRow" => setRow(cmdInfo(1), cmdInfo(2)) _
       case "QueryCol" => queryCol(cmdInfo(1)) _
       case "QueryRow" => queryRow(cmdInfo(1)) _
     }  
  }

  def setCol(col:String, data:String)(grid:List[List[Int]]) = grid.updated(col.toInt, grid(col.toInt).map(x => data.toInt))
  def setRow(row:String, data:String)(grid:List[List[Int]]) = grid.map(_.updated(row.toInt, data.toInt))
  def queryCol(col:String)(grid:List[List[Int]]) = {
    println(grid(col.toInt).sum)
    grid
  }
  def queryRow(row:String)(grid:List[List[Int]]) = {
    println(grid.foldLeft(0)((x, y) => x + y(row.toInt)))
    grid
  }

}