QuickSort 1 OK
AddToArray  9,8,7,6,5,4,3,2,1,0 OK
PrintArray 9,8,7,6,5,4,3,2,1,0
Sort 0,5 OK
PrintArray 5,6,7,8,9,4,3,2,1,0
Sort 6,10 OK
PrintArray 5,6,7,8,9,4,0,1,2,3
Clear OK
AddToArray  30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1 OK
PrintArray 30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1
Sort 12,21 OK
PrintArray 30,29,28,27,26,25,24,23,22,21,20,19,10,11,12,13,14,15,16,17,18,9,8,7,6,5,4,3,2,1
Sort 0,30 OK
PrintArray 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30