WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(0) "0" :: [] -(0)-> "A"(4) "0" :: [] -(0)-> "A"(1) "Cons" :: ["A"(4) x "A"(4)] -(4)-> "A"(4) "ConsTree" :: ["A"(4) x "A"(4)] -(4)-> "A"(4) "False" :: [] -(0)-> "A"(3) "False" :: [] -(0)-> "A"(6) "False" :: [] -(0)-> "A"(15) "Leaf" :: ["A"(4)] -(4)-> "A"(4) "Nil" :: [] -(0)-> "A"(4) "NilTree" :: [] -(0)-> "A"(4) "Node" :: ["A"(4) x "A"(4)] -(4)-> "A"(4) "S" :: ["A"(0)] -(0)-> "A"(0) "S" :: ["A"(4)] -(4)-> "A"(4) "S" :: ["A"(1)] -(1)-> "A"(1) "True" :: [] -(0)-> "A"(3) "True" :: [] -(0)-> "A"(6) "True" :: [] -(0)-> "A"(15) "anyEq#2" :: ["A"(0) x "A"(4)] -(2)-> "A"(9) "bot[0]" :: [] -(0)-> "A"(7) "bot[1]" :: [] -(0)-> "A"(7) "eqNat#2" :: ["A"(0) x "A"(4)] -(1)-> "A"(15) "ite#3" :: ["A"(6) x "A"(9)] -(2)-> "A"(9) "ite2#3" :: ["A"(3) x "A"(1) x "A"(1)] -(3)-> "A"(1) "leqNat#2" :: ["A"(0) x "A"(1)] -(2)-> "A"(14) "lookup#2" :: ["A"(0) x "A"(4)] -(0)-> "A"(1) "main" :: ["A"(6) x "A"(10)] -(8)-> "A"(0) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1) "\"Cons\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "\"ConsTree\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "\"False\"_A" :: [] -(0)-> "A"(1) "\"Leaf\"_A" :: ["A"(1)] -(1)-> "A"(1) "\"Nil\"_A" :: [] -(0)-> "A"(1) "\"NilTree\"_A" :: [] -(0)-> "A"(1) "\"Node\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "\"S\"_A" :: ["A"(1)] -(1)-> "A"(1) "\"True\"_A" :: [] -(0)-> "A"(1) "\"bot[0]\"_A" :: [] -(0)-> "A"(1) "\"bot[1]\"_A" :: [] -(0)-> "A"(1)