@[xcyyyyyy](/user/691447)
可能线段树优化建图是一类应用吧
by _JF_ @ 2024-04-14 20:41:45
@[xcyyyyyy](/user/691447) [this](https://www.dotcpp.com/oj/problem1702.html)，玄关
by QoQ_ @ 2024-04-14 20:42:18
@[QoQ_](/user/1233308) 你这玩意跟数据结构有什么关系
by Misaka16172 @ 2024-04-14 20:49:09
比如各种优化建图
by xcyyyyyy @ 2024-04-14 20:53:24
比如 [NOI2019] 弹跳阿，还有另外一道ynoi 的主席树优化题。
by xcyyyyyy @ 2024-04-14 20:54:08
@[QoQ_](/user/1233308) 什么东西？
by xcyyyyyy @ 2024-04-14 20:54:54
@[Misaka16172](/user/422684)
by xcyyyyyy @ 2024-04-14 20:55:04
P9168
by zyxawa @ 2024-04-14 20:57:31
@[xcyyyyyy](/user/691447) 线段树优化建图有两个 [CF786B](https://www.luogu.com.cn/problem/CF786B)（板子）和 [P5025](https://www.luogu.com.cn/problem/P5025) 稍微进阶一点的应用
by Misaka16172 @ 2024-04-14 20:58:11
@[Misaka16172](/user/422684) 还有P2017
by The_Wandering_Earth @ 2024-04-14 21:02:16