| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | abc218_e | E. Destruction | 1004 | 6272 |
| 2 | abc235_e | E. MST + 1 | 1304 | 4405 |
| 3 | abc282_e | E. Choose Two and Eat One | 1604 | 3470 |
| 4 | arc076_b | D. Built? | 1615 | 5635 |
| 5 | abc210_e | E. Ring MST | 1618 | 2813 |
| 6 | codefestival_2016_qualB_c | C. Gr-idian MST | 1688 | 1807 |
| 7 | abc270_f | F. Transportation | 1834 | 2294 |
| 8 | arc029_3 | C. 高橋君と国家 | 1973 | 940 |
| 9 | arc026_4 | D. 道を直すお仕事 | 2297 | 1691 |
| 10 | keyence2019_e | E. Connecting Cities | 2623 | 800 |
| 11 | arc018_4 | D. 僕は友達が少ない | 2644 | 150 |
| 12 | arc009_4 | D. 覚醒ノ高橋君 | 2801 | 107 |
| 13 | arc057_d | D. 全域木 | 3019 | 153 |
| 14 | codefestival_2016_final_g | G. Zigzag MST | 3072 | 401 |
| 15 | arc021_4 | D. だいたい最小全域木 | 3152 | 67 |
| 16 | joisc2010_finals | finals. 本選会場 (Finals) | null | 1397 |
| 17 | typical90_aw | 049. Flip Digits 2（★6） | null | 1149 |
| 18 | past201912_l | L. Gradation | null | 1007 |
| 19 | indeednow_2015_finalb_d | D. Game on a Grid | null | 402 |
| 20 | past202104_l | L. Urban Planning | null | 341 |
| 21 | icpc2012autumn_c | C. Median Tree | null | 303 |
| 22 | asaporo_c | A. Graph | null | 233 |
| 23 | cpsco2019_s2_g | G. MSTX | null | 77 |