WORST_CASE(?,O(n^1)) Solution: --------- "Cons" :: ["A"(0) x "A"(2)] -(2)-> "A"(2) "Cons" :: ["A"(0) x "A"(0)] -(0)-> "A"(0) "Nil" :: [] -(0)-> "A"(2) "Nil" :: [] -(0)-> "A"(14) "Nil" :: [] -(0)-> "A"(10) "anchored" :: ["A"(2) x "A"(0)] -(14)-> "A"(0) "goal" :: ["A"(6) x "A"(8)] -(15)-> "A"(0) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"Cons\"_A" :: ["A"(0) x "A"(1)] -(1)-> "A"(1) "\"Nil\"_A" :: [] -(0)-> "A"(1)