wr-eternity:
博客地址：https://www.cnblogs.com/wr-eternity/
Link-Cut-Tree CF724G Xor-matic Number of the Graph 区改区查标记永久化线段树 浅谈树链剖分 SCOI 2008 奖励关 树上倍增求LCA
Link-Cut-Tree
CF724G Xor-matic Number of the Graph
区改区查标记永久化线段树
浅谈树链剖分
SCOI 2008 奖励关
树上倍增求LCA