WORST_CASE(?,O(n^1)) Solution: --------- "Cons" :: ["A"(0) x "A"(14)] -(14)-> "A"(14) "Cons" :: ["A"(0) x "A"(15)] -(15)-> "A"(15) "Cons" :: ["A"(0) x "A"(1)] -(1)-> "A"(1) "Nil" :: [] -(0)-> "A"(14) "Nil" :: [] -(0)-> "A"(15) "Nil" :: [] -(0)-> "A"(7) "comp_f_g" :: ["A"(8) x "A"(0)] -(8)-> "A"(8) "comp_f_g#1" :: ["A"(8) x "A"(13) x "A"(1)] -(3)-> "A"(1) "main" :: ["A"(15)] -(13)-> "A"(0) "walk#1" :: ["A"(14)] -(1)-> "A"(8) "walk_xs" :: [] -(0)-> "A"(8) "walk_xs" :: [] -(0)-> "A"(15) "walk_xs_3" :: ["A"(0)] -(0)-> "A"(0) "walk_xs_3" :: ["A"(0)] -(13)-> "A"(13) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"Cons\"_A" :: ["A"(0) x "A"(1)] -(1)-> "A"(1) "\"Nil\"_A" :: [] -(0)-> "A"(1) "\"comp_f_g\"_A" :: ["A"(0) x "A"(0)] -(1)-> "A"(1) "\"walk_xs\"_A" :: [] -(0)-> "A"(1) "\"walk_xs_3\"_A" :: ["A"(0)] -(1)-> "A"(1)