Blog of RuSun

$\begin{matrix} One Problem Is Difficult \\ Because You {Don}^{'} t Know \\ Why It Is Diffucult \end{matrix}$

树套树标签

2022

09-27

CF785E Anton and Permutation

09-27

P3332 [ZJOI2013]K大数查询

09-25

P3157 [CQOI2011]动态逆序对

04-08

P1903 [国家集训队] 数颜色 / 维护队列

04-08

树套树（树状数组套值域线段树）模板

2021

11-22

树套树（线段树套平衡树）模板