WORST_CASE(?,O(n^2)) Solution: --------- "0" :: [] -(0)-> "A"(7, 7) "0" :: [] -(0)-> "A"(0, 0) "0" :: [] -(0)-> "A"(2, 0) "0" :: [] -(0)-> "A"(14, 7) "false" :: [] -(0)-> "A"(0, 0) "if" :: ["A"(0, 0) x "A"(7, 7) x "A"(7, 7)] -(1)-> "A"(7, 7) "le" :: ["A"(0, 0) x "A"(2, 0)] -(1)-> "A"(0, 0) "minus" :: ["A"(7, 7) x "A"(14, 7)] -(1)-> "A"(7, 7) "p" :: ["A"(7, 7)] -(1)-> "A"(14, 7) "s" :: ["A"(14, 7)] -(7)-> "A"(7, 7) "s" :: ["A"(0, 0)] -(0)-> "A"(0, 0) "s" :: ["A"(2, 0)] -(2)-> "A"(2, 0) "s" :: ["A"(21, 7)] -(14)-> "A"(14, 7) "true" :: [] -(0)-> "A"(0, 0) Cost Free Signatures: --------------------- "0" :: [] -(0)-> "A"_cf(0, 0) "false" :: [] -(0)-> "A"_cf(1, 1) "false" :: [] -(0)-> "A"_cf(0, 0) "if" :: ["A"_cf(0, 0) x "A"_cf(0, 0) x "A"_cf(0, 0)] -(0)-> "A"_cf(0, 0) "le" :: ["A"_cf(0, 0) x "A"_cf(0, 0)] -(1)-> "A"_cf(0, 0) "le" :: ["A"_cf(0, 0) x "A"_cf(0, 0)] -(0)-> "A"_cf(0, 0) "minus" :: ["A"_cf(0, 0) x "A"_cf(0, 0)] -(0)-> "A"_cf(0, 0) "p" :: ["A"_cf(0, 0)] -(0)-> "A"_cf(0, 0) "s" :: ["A"_cf(0, 0)] -(0)-> "A"_cf(0, 0) "true" :: [] -(0)-> "A"_cf(1, 1) "true" :: [] -(0)-> "A"_cf(0, 0) Base Constructors: ------------------