| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | abc270_c | C. Simple path | 625 | 8270 |
| 2 | abc209_d | D. Collision | 686 | 8476 |
| 3 | abc309_e | E. Family and Insurance | 957 | 6016 |
| 4 | abc126_d | D. Even Relation | 1279 | 9044 |
| 5 | abc014_4 | D. 閉路 | 1856 | 2499 |
| 6 | abc267_f | F. Exactly K Steps | 1939 | 2593 |
| 7 | abc133_f | F. Colorful Tree | 2330 | 1867 |
| 8 | code_festival_final_i | I. Shapes | 2816 | 59 |
| 9 | arc048_d | D. たこ焼き屋とQ人の高橋君 | 3062 | 159 |
| 10 | past201912_k | K. Conglomerate | null | 1342 |
| 11 | past202010_m | M. 筆塗り | null | 455 |
| 12 | past202004_o | O. Variable Spanning Trees | null | 448 |
| 13 | joi2012ho5 | E. JOI 国のお祭り事情 (Festivals in JOI Kingdom) | null | 201 |
| 14 | maximum_cup_2018_e | E. Interrupt Array | null | 89 |
| 15 | pakencamp_2019_day4_f | F. イーハチはやる | null | 27 |