WORST_CASE(?,O(n^1)) Solution: --------- 0 :: [] -(0)-> Nat(14) 0 :: [] -(0)-> Nat(10) id :: [Nat(14)] -(15)-> Nat(0) s :: [Nat(14)] -(14)-> Nat(14) s :: [Nat(0)] -(0)-> Nat(0) Cost Free Signatures: --------------------- 0 :: [] -(0)-> Nat_cf(0) id :: [Nat_cf(0)] -(0)-> Nat_cf(0) s :: [Nat_cf(0)] -(0)-> Nat_cf(0) Base Constructors: ------------------ 0_Nat :: [] -(0)-> Nat(1) s_Nat :: [Nat(1)] -(1)-> Nat(1)