某岛

… : "…アッカリ~ン . .. . " .. .
September 30, 2021

。。。

September 27, 2021

temp

September 22, 2021

Note on 多项式

September 19, 2021

树形背包

September 15, 2021

后缀自动机构造后缀数组

September 13, 2021

树上斜率dp

September 12, 2021

BZOJ 3165. [Heoi2013]Segment