[A3] Answer

def getMaxArrayMulti(numbers:Array[Int]) : BigInt = {
  var mMultiply:BigInt = 1
  val minData = numbers.min
  val minIdx = numbers.indexOf(minData)

  numbers(minIdx) += 1

  for(num<- numbers) {
    mMultiply *= num
  }

  mMultiply
}

Q3 답