Blog of RuSun

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

2022

04-15

CF551E GukiZ and GukiZiana

04-15

CF724E Goods transportation

04-14

04-14

04-14

CF1082E Increasing Frequency

04-14

CF354C Vasya and Beautiful Arrays

04-14

CF1131D Gourmet choice

04-13

Code Festival 2016 Final G Zigzag MST

04-13

Code Festival 2017 Final J Tree MST

04-12

CF1322B Present

04-12

CF1081E Missing Numbers

04-12

CF940F Machine Learning

04-12

CF1107E Vasya and Binary String

04-12

CF1239D Catowice City

04-12

P3976 [TJOI2015]旅游

04-11

04-09

P3232 [HNOI2013]游走

04-09

CF914G Sum the Fibonacci

04-09

P4221 [WC2018]州区划分

04-08

P1903 [国家集训队] 数颜色 / 维护队列