silverprize

object HeapSort {
  def sort(source: Array[Int]): Unit = {
    buildHeap(source)
    lineUp(source)
  }

  private def buildHeap(source: Array[Int]): Unit = {
    def moveUp(source: Array[Int], idx: Int): Unit = {
      if (idx > 0) {
        val pIdx = Math.round(idx * 0.5f) - 1

silverprize

object MergeSort {
  def sort(source: Array[Int]): Unit = {
    branch(source, 0, source.length)
  }

  private def sortAndMerge(source: Array[Int],
                           offset0: Int, len0: Int,
                           offset1: Int, len1: Int): Unit = {

    val buffer = new Array[Int](len0 + len1)

silverprize

intToBase64 = [
    'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
    'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
    'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm',
    'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
]

def encode(InputStream is) {
  int countByte = 2