WORST_CASE(?,O(n^1)) Solution: --------- 0 :: [] -(0)-> A(9) 0 :: [] -(0)-> A(7) f :: [A(11) x A(9)] -(11)-> A(0) g :: [A(14) x A(0)] -(14)-> A(14) g :: [A(9) x A(0)] -(9)-> A(9) g :: [A(0) x A(0)] -(0)-> A(0) nil :: [] -(0)-> A(14) nil :: [] -(0)-> A(9) nil :: [] -(0)-> A(5) nil :: [] -(0)-> A(13) norm :: [A(14)] -(8)-> A(1) rem :: [A(14) x A(9)] -(8)-> A(7) s :: [A(9)] -(9)-> A(9) s :: [A(1)] -(1)-> A(1) Cost Free Signatures: --------------------- 0 :: [] -(0)-> A_cf(0) f :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) g :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) nil :: [] -(0)-> A_cf(0) norm :: [A_cf(0)] -(0)-> A_cf(0) rem :: [A_cf(0) x A_cf(0)] -(0)-> A_cf(0) s :: [A_cf(0)] -(0)-> A_cf(0) Base Constructors: ------------------ 0_A :: [] -(0)-> A(1) g_A :: [A(1) x A(0)] -(1)-> A(1) nil_A :: [] -(0)-> A(1) s_A :: [A(1)] -(1)-> A(1)