Codeforces 587B Duff in Beach 题解

10-25

Codeforces 1238C Standard Free2play 题解

10-21

Codeforces 1238D AB-string 题解

10-21

Codeforces 309B Context Advertising 题解

09-08

Ural 1217 Unlucky Tickets 题解

09-03

Ural 1238 Folding 题解

08-18

Codeforces 718A Efim and Strange Grade 程序分析

08-18

Ural 1029 Ministry 题解

08-12