WORST_CASE(?,O(n^2)) Solution: --------- "0" :: [] -(0)-> "A"(2, 0) "0" :: [] -(0)-> "A"(0, 0) "0" :: [] -(0)-> "A"(8, 15) "0" :: [] -(0)-> "A"(12, 12) "0" :: [] -(0)-> "A"(14, 14) "0" :: [] -(0)-> "A"(15, 15) "a__f" :: ["A"(2, 0)] -(7)-> "A"(2, 0) "a__p" :: ["A"(0, 0)] -(1)-> "A"(2, 0) "cons" :: ["A"(15, 15) x "A"(15, 15)] -(15)-> "A"(8, 15) "cons" :: ["A"(0, 0) x "A"(0, 0)] -(0)-> "A"(8, 0) "cons" :: ["A"(0, 0) x "A"(0, 0)] -(0)-> "A"(2, 0) "f" :: ["A"(8, 15)] -(8)-> "A"(8, 15) "f" :: ["A"(0, 0)] -(0)-> "A"(0, 0) "f" :: ["A"(2, 0)] -(2)-> "A"(2, 0) "mark" :: ["A"(8, 15)] -(1)-> "A"(2, 0) "p" :: ["A"(15, 15)] -(15)-> "A"(8, 15) "p" :: ["A"(0, 0)] -(0)-> "A"(2, 0) "s" :: ["A"(0, 0)] -(2)-> "A"(2, 0) "s" :: ["A"(0, 0)] -(0)-> "A"(0, 0) "s" :: ["A"(15, 15)] -(8)-> "A"(8, 15) "s" :: ["A"(2, 2)] -(1)-> "A"(1, 2) Cost Free Signatures: --------------------- Base Constructors: ------------------ "\"0\"_A" :: [] -(0)-> "A"(1, 0) "\"0\"_A" :: [] -(0)-> "A"(0, 1) "\"cons\"_A" :: ["A"(0, 0) x "A"(0, 0)] -(0)-> "A"(1, 0) "\"cons\"_A" :: ["A"(1, 1) x "A"(1, 1)] -(1)-> "A"(0, 1) "\"f\"_A" :: ["A"(1, 0)] -(1)-> "A"(1, 0) "\"f\"_A" :: ["A"(0, 1)] -(0)-> "A"(0, 1) "\"p\"_A" :: ["A"(0, 0)] -(0)-> "A"(1, 0) "\"p\"_A" :: ["A"(1, 1)] -(1)-> "A"(0, 1) "\"s\"_A" :: ["A"(0, 0)] -(1)-> "A"(1, 0) "\"s\"_A" :: ["A"(1, 1)] -(0)-> "A"(0, 1)