| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | arc092_a | C. 2D Plane 2N Points | 1268 | 6280 |
| 2 | tenka1_2015_qualA_c | C. 天下一美術館 | 2078 | 412 |
| 3 | arc013_4 | D. 切り分けできるかな？ | 2535 | 247 |
| 4 | tenka1_2012_8 | D. 大爆発 | 2830 | 41 |
| 5 | arc080_d | F. Prime Flip | 3078 | 802 |
| 6 | practice2_d | D. Maxflow | null | 1168 |
| 7 | soundhound2018_c | C. 広告 | null | 728 |
| 8 | typical90_by | 077. Planes on a 2D Plane（★7） | null | 523 |
| 9 | maximum_cup_2018_h | H. Maxmin Tour | null | 121 |
| 10 | xmascon19_g | G. Stamps 2 | null | 46 |
| 11 | icpc2014spring_c | C. Decoding Ancient Messages | null | 38 |
| 12 | icpc2013summer_warmingUp_c | C. Containers | null | 13 |