Yandex.Algorithm 2011: Round 2 A. Reflection
Codeforces Beta Round #83 (Div. 1 Only) B. Basketball Team
Codeforces Beta Round #86 (Div. 1 Only) A. Grammar Lessons
Codeforces Testing Round #2 C. Hobbits’ Party
Drink Slush
Chef team
Partition the numbers
Box Game
Weird Question
E - Travel by Car