- 2011-12-26POJ 1655 - Balancing Act
- 2011-12-26POJ 2959 - Ball bearings
- 2011-12-26POJ 3740 - Easy Finding
- 2011-12-26POJ 3670 - Eating Together
- 2011-12-25POJ 2832 - How Many Pairs?
- 2011-12-25POJ 1759 - Garland
- 2011-12-21POJ 1868 - Antiarithmetic?
- 2011-12-21POJ 1219 - L-I-N-G-O: LINGO
- 2011-12-21POJ 2766 - Laserbox
- 2011-12-21POJ 2292 - Optimal Keypad
- 2011-12-13POJ 2594 - Treasure Exploration
- 2011-12-13AOJ 2251 - Merry Christmas
- 2011-12-13POJ 2435 - Navigating the City
- 2011-12-13POJ 1757 - Binary Search
- 2011-12-09POJ 1722 - SUBTRACT
- 2011-12-08POJ 3413 - RPG
- 2011-12-08POJ 2425 - A Chess Game
- 2011-12-08POJ 2311 - Cutting Game
- 2011-12-08POJ 3437 - Tree Grafting
- 2011-12-08POJ 3170 - Knights of Ni