WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(6) "0" :: [] -(0)-> "A"(5) "0" :: [] -(0)-> "A"(7) "Cons" :: ["A"(14) x "A"(14)] -(14)-> "A"(14) "Cons" :: ["A"(12) x "A"(12)] -(12)-> "A"(12) "Nil" :: [] -(0)-> "A"(14) "Nil" :: [] -(0)-> "A"(12) "Nil" :: [] -(0)-> "A"(15) "S" :: ["A"(6)] -(6)-> "A"(6) "S" :: ["A"(2)] -(2)-> "A"(2) "comp_f_g" :: ["A"(6) x "A"(6)] -(6)-> "A"(6) "comp_f_g#1" :: ["A"(6) x "A"(6)] -(7)-> "A"(2) "foldr#3" :: ["A"(12)] -(8)-> "A"(6) "foldr_f#3" :: ["A"(12)] -(9)-> "A"(0) "id" :: [] -(0)-> "A"(6) "id" :: [] -(0)-> "A"(13) "main" :: ["A"(14)] -(16)-> "A"(0) "map#2" :: ["A"(14)] -(1)-> "A"(12) "plus_x" :: ["A"(6)] -(0)-> "A"(6) "plus_x" :: ["A"(12)] -(0)-> "A"(12) "plus_x" :: ["A"(9)] -(0)-> "A"(9) "plus_x#1" :: ["A"(6) x "A"(2)] -(4)-> "A"(2) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1) "\"Cons\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "\"Nil\"_A" :: [] -(0)-> "A"(1) "\"S\"_A" :: ["A"(1)] -(1)-> "A"(1) "\"comp_f_g\"_A" :: ["A"(0) x "A"(0)] -(1)-> "A"(1) "\"id\"_A" :: [] -(0)-> "A"(1) "\"plus_x\"_A" :: ["A"(0)] -(0)-> "A"(1)