WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(3) "0" :: [] -(0)-> "A"(14) "activate" :: ["A"(3)] -(13)-> "A"(3) "cons" :: ["A"(0) x "A"(3)] -(0)-> "A"(3) "cons" :: ["A"(0) x "A"(7)] -(0)-> "A"(7) "first" :: ["A"(3) x "A"(3)] -(12)-> "A"(3) "from" :: ["A"(0)] -(8)-> "A"(3) "n__first" :: ["A"(3) x "A"(3)] -(0)-> "A"(3) "n__from" :: ["A"(0)] -(0)-> "A"(3) "n__from" :: ["A"(0)] -(0)-> "A"(10) "n__from" :: ["A"(0)] -(0)-> "A"(15) "nil" :: [] -(0)-> "A"(11) "s" :: ["A"(3)] -(3)-> "A"(3) "s" :: ["A"(14)] -(14)-> "A"(14) "s" :: ["A"(0)] -(0)-> "A"(0) "sel" :: ["A"(14) x "A"(3)] -(15)-> "A"(0) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1) "\"cons\"_A" :: ["A"(0) x "A"(1)] -(0)-> "A"(1) "\"n__first\"_A" :: ["A"(0) x "A"(0)] -(0)-> "A"(1) "\"n__from\"_A" :: ["A"(0)] -(0)-> "A"(1) "\"nil\"_A" :: [] -(0)-> "A"(1) "\"s\"_A" :: ["A"(1)] -(1)-> "A"(1)