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11-16

[CF1025] Codeforces Round #504 (Div.1+Div.2)

08-20

[CF1023] Codeforces Round #504(Div.1+Div.2)

08-18

2018百度之星-初赛（B）ADF题解

08-12

[2018百度之星] 初赛（A）A-C题解

08-11

[Codeforces1017A-D] Codeforces Round 502 (Div.1+Div.2)

08-09

2018牛客多校05 J plan(数学，规律)

08-02

2018牛客多校05 G max(数学，规律)

08-02

[Codeforces1006D] Two Strings Swaps(规律)

08-01