| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | abc197_d | D. Opposite | 831 | 6388 |
| 2 | abc344_e | E. Insert or Erase | 973 | 5911 |
| 3 | abc189_e | E. Rotate and Flip | 1526 | 3452 |
| 4 | abc204_f | F. Hanjo 2 | 2044 | 1168 |
| 5 | zone2021_f | F. Encounter and Farewell | 2197 | 778 |
| 6 | arc054_c | C. 鯛焼き | 2292 | 432 |
| 7 | abc141_f | F. Xor Sum 3 | 2342 | 1367 |
| 8 | yahoo_procon2019_qual_e | E. Odd Subrectangles | 2585 | 576 |
| 9 | abc129_f | F. Takahashi's Basics in Education and Learning | 2621 | 1004 |
| 10 | dp_r | R. Walk | null | 5533 |
| 11 | typical90_be | 057. Flip Flap（★6） | null | 898 |
| 12 | bitflyer2018_final_d | D. 数列 XOR | null | 256 |
| 13 | cf16_exhibition_final_h | H. AB=C Problem | null | 83 |
| 14 | icpc2013summer_day4_f | F. Graph Automata Player | null | 63 |
| 15 | icpc2013spring_j | J. Tree Reconstruction | null | 41 |