- A - Subsequence
- B - Jessica's Reading Problem
- C - Face The Right Way
- D - Fliptile
- E - Smallest Bounding Rectangle
- F - Atlantis
- G - K-th Number
- H - Anagram
- I - XOR and Favorite Number
- J - Xors on Segments
- K - Playing With Stones
- L - Treblecross
- M - Box Game
- N - ENimEN
- O - A Funny Stone Game
- P - Game of Taking Stones
- Q - Wall
- R - A * B Problem Plus
- S - Kanade's convolution