Solution -「洛谷 P4688」「YunoOI 2016」掉进兔子洞
Description(Link)[https://www.luogu.com.cn/problem/P4688].每次询问三个区间,把三个区间中同时出现的数一个一个删掉,问最后三个区间剩下的数...
In mathematics you don't understand things, you just get used to them.
In mathematics you don't understand things, you just get used to them.