Croc Champ 2012 - Round 1 C. Spiral Maximum
ABBYY Cup 2.0 - Hard C3. Smart Beaver and Resolving Collisions
ABBYY Cup 2.0 - Hard C2. Smart Beaver and Resolving Collisions
ABBYY Cup 2.0 - Hard E1. The Beaver’s Problem - 2
Ternary palindromes
Good strings
Minimum radius
Xor tree
Find Set
Codeforces Round 116 (Div. 2, ACM-ICPC Rules) D. Name