Codeforces Round #406 (Div. 2)

10-12

Codeforces Round #405 (Div. 2)

10-10

Codeforces Round #404 (Div. 2)

10-02

Codeforces Round #403 (Div. 2)

09-29

Codeforces Round #402 (Div. 2)

09-26

Codeforces Round #401 (Div. 2)

09-24