3
20
2016
0

[bzoj]3772: 精神污染

传送门-->http://www.lydsy.com/JudgeOnline/problem.php?id=3772

坑没怎么填， 写篇题解 凑凑数

促使我写这题题解的动力是网上题解都是什么$dfs$序+主席树，看到都忍不住笑出声

Category: bzoj | Tags: DFS序 扫描线

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