Archive: 2019/8Total 232 articles 20192019-08-23 【2019 Multi-University 9 K】Rikka with Segment Tree 题解 2019-08-15 【2019GDCPC F】【hdu6537】Neko and function 题解 2019-08-14 【2019 Multi-University 3 E】Easy Math Problem 题解