Introduction - If you have any usage issues, please Google them yourself
Combined list, given a non-l sequence and a non-drop sequence, asked that it be merged into a sequence of non-liters and output. Non-L sequence is a sequence a1 a2 a3 ... meet a1> = a2> = a3 ... nondecreasing sequence is a sequence b1 b2 b3 ... meet b1 < = b2 < = b3