Blog of RuSun

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

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2022

11-03

P3755 [CQOI2017]老C的任务

10-10

P3759 [TJOI2017]不勤劳的图书管理员

09-28

CF1436E Complicated Computations

09-27

CF1093E Intersection of Permutations

09-27

CF785E Anton and Permutation

06-24

P8360 [SNOI2022] 军队

04-15

CF551E GukiZ and GukiZiana

02-22

P4168 [Violet]蒲公英

02-22

P2801 教主的魔法