| Problems | AC |
|---|---|
| A. Orders | ○ |
| B. Building Company | ○ |
| C. Trie | |
| D. Fast and Fat | ○ |
| E. Math Problem | ○ |
| F. Colorful Segments | ⊕ |
| G. Matching | ○ |
| H. Be Careful 2 | |
| I. Three Dice | ○ |
| J. Not Another Path Query Problem | ⊕ |
| K. Difficult Constructive Problem | |
| L. Puzzle: Sashigane | ○ |
| M. Computational Geometry | ○ |