| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | abc197_d | D. Opposite | 831 | 7005 |
| 2 | abc344_e | H. Insert or Erase | 973 | 7421 |
| 3 | arc135_b | B. Sum of Three Terms | 1239 | 2783 |
| 4 | abc189_e | E. Rotate and Flip | 1526 | 3774 |
| 5 | abc204_f | F. Hanjo 2 | 2044 | 1447 |
| 6 | zone2021_f | F. Encounter and Farewell | 2197 | 876 |
| 7 | arc054_c | C. 鯛焼き | 2292 | 497 |
| 8 | abc141_f | F. Xor Sum 3 | 2342 | 1851 |
| 9 | yahoo_procon2019_qual_e | E. Odd Subrectangles | 2585 | 705 |
| 10 | abc129_f | F. Takahashi's Basics in Education and Learning | 2621 | 1213 |
| 11 | dp_r | R. Walk | null | 8263 |
| 12 | typical90_be | 057. Flip Flap（★6） | null | 1225 |
| 13 | bitflyer2018_final_d | D. 数列 XOR | null | 279 |
| 14 | cf16_exhibition_final_h | H. AB=C Problem | null | 119 |
| 15 | icpc2013summer_day4_f | F. Graph Automata Player | null | 69 |
| 16 | icpc2013spring_j | J. Tree Reconstruction | null | 45 |