2019The Preliminary Contest for ICPC China Nanchang National Invitational

The Preliminary Contest for ICPC China Nanchang National Invitational

 

题解：

　　[1]:https://www.cnblogs.com/songorz/p/10743353.html

题目一览表 考察知识点
I. Max answer 单调栈+暴力？？
J. Distance on the tree 树链剖分
M. Subsequence 思维？？

 

 

posted @ 2019-04-21 20:33  HHHyacinth  阅读(221)  评论(0)    收藏  举报