Please write a function to merger the two lists together to obtain a new nondecreasing order list.
请写一个函数来合并两表一起获得新秩序不减名单。
2
An approximation algorithm is presented for minimizing a nondecreasing supermodular set function, and its performance guarantee is probed.
给出了求解一类具有简单约束的上模集函数最小值问题的一种局部搜索法，并讨论了所给算法的性能保证。
3
For each test case, output one line containing the number of nondecreasing subsequences you can find from the sequence S, the answer should % 1000000007.