Analysys of add on slist of length L:
  Q  |  #Q  |  time Q  |  #A  |  time A  |  total
-------------------------------------------------
do-add:
  1  |  L+1 |  O(1)    |  1   |  O(1)    |  O(L) 
  2  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  3  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  4  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  5  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  6  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  7  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  8  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
  9  |  L   |  O(1)    |  L   |  O(1)    |  O(L)   
remove-o:
  1  |  2   |  O(1)    |  1   |  O(1)    |  O(1)
  2  |  1   |  O(1)    |  1   |  O(1)    |  O(1)   
-------------------------------------------------
     |      |          |      |          |  O(L)

Analysis of mult on slist of length L:
  Q  |  #Q  |  time Q  |  #A  |  time A  |  total
-------------------------------------------------
  1  |  L+1 |  O(1)    |  L   |  O(1)    |  O(L)
  2  |  L   |  O(1)    |  L   |  O(L+K)  |  O(L^2)
  3  |  L   |  O(1)    |  L   |  O(1)    |  O(L)
-------------------------------------------------
     |      |          |      |          |  O(L^2)