WORST_CASE(?,O(n^1)) Solution: --------- "0" :: [] -(0)-> "A"(13) "activate" :: ["A"(13)] -(8)-> "A"(0) "cons" :: ["A"(13) x "A"(13)] -(13)-> "A"(13) "cons" :: ["A"(0) x "A"(0)] -(0)-> "A"(0) "first" :: ["A"(13) x "A"(13)] -(4)-> "A"(0) "from" :: ["A"(10)] -(8)-> "A"(0) "n__first" :: ["A"(13) x "A"(13)] -(13)-> "A"(13) "n__first" :: ["A"(0) x "A"(0)] -(0)-> "A"(0) "n__first" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "n__from" :: ["A"(13)] -(13)-> "A"(13) "n__from" :: ["A"(0)] -(0)-> "A"(0) "n__from" :: ["A"(7)] -(7)-> "A"(7) "nil" :: [] -(0)-> "A"(8) "s" :: ["A"(13)] -(13)-> "A"(13) "s" :: ["A"(0)] -(0)-> "A"(0) Cost Free Signatures: --------------------- "0" :: [] -(0)-> "A"_cf(0) "activate" :: ["A"_cf(0)] -(0)-> "A"_cf(0) "cons" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0) "first" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0) "from" :: ["A"_cf(0)] -(0)-> "A"_cf(0) "n__first" :: ["A"_cf(0) x "A"_cf(0)] -(0)-> "A"_cf(0) "n__from" :: ["A"_cf(0)] -(0)-> "A"_cf(0) "nil" :: [] -(0)-> "A"_cf(0) "s" :: ["A"_cf(0)] -(0)-> "A"_cf(0) Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1) "\"cons\"_A" :: ["A"(1) x "A"(1)] -(1)-> "A"(1) "\"n__first\"_A" :: ["A"(0) x "A"(0)] -(1)-> "A"(1) "\"n__from\"_A" :: ["A"(0)] -(1)-> "A"(1) "\"nil\"_A" :: [] -(0)-> "A"(1) "\"s\"_A" :: ["A"(1)] -(1)-> "A"(1)