Codeforces 1238D AB-string 题解

10-21

Codeforces 343C Read Time 题解

10-15

Codeforces 343B Alternating Current 题解

10-15

Codeforces 343A Rational Resistance 题解

10-15

Codeforces 1228F One Node is Gone 题解

10-02

Codeforces 609F Frogs and mosquitoes 题解

09-21

Codeforces 1119D Frets On Fire 题解

09-14

Codeforces 309B Context Advertising 题解

09-08

Ural 1220 Stacks 题解

09-07

Ural 1218 Episode N-th: The Jedi Tournament 题解

09-04