No testdata at current.
1.对[值,下标]排序，取前三大的下标和前三小的下标
2.对下标的值排序
输出
本题属于以下题库，请选择所需题库进行购买
By signing up a CodeFun2000 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your CodeFun2000 universal account
