Blog of RuSun

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

可持久化Trie 标签

2022

10-02

P4098 [HEOI2013]ALO

10-02

P5283 [十二省联考 2019] 异或粽子

10-01

P4592 [TJOI2018]异或

09-30

P4735 最大异或和