gistfile1.txt

// Example: new int[]{Integer.MAX_VALUE, 1} should be treated as one large, unsigned number and print: 8589934590 (So basically 2³³).

  def toSimpleString(num: Array[Int]) = {
    val iArr = num.clone
    val s = new Array[Char](iArr.length * 10)
    var i = s.length - 1
    var div = 0L
    while (i >= 0) {
      s(i) = ('0' + (iArr(i) % 10).toChar).toChar
      div = (iArr(i) / 10)

      i = i - 1
    }

    new String(s, i, s.length)
  }