| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | abc284_f | F. ABCBAC | 1575 | 3027 |
| 2 | abc331_f | F. Palindrome Query | 1666 | 2232 |
| 3 | agc047_b | B. First Second | 1871 | 1457 |
| 4 | abc150_f | F. Xor Shift | 2281 | 1364 |
| 5 | abc135_f | F. Strings of Eternity | 2388 | 1172 |
| 6 | arc055_c | C. ABCAC | 2392 | 465 |
| 7 | arc099_d | F. Eating Symbols Hard | 3039 | 540 |
| 8 | joi2008ho_b | B. 共通部分文字列 | null | 677 |
| 9 | typical90_au | 047. Monochromatic Diagonal（★7） | null | 586 |