\(st表的题目不太多\) 我做过的就这些吧。
https://www.luogu.org/problemnew/show/P3865 https://www.luogu.org/problemnew/show/P1816 https://www.luogu.org/problemnew/show/P2880 https://www.luogu.org/problemnew/show/P2216
