| # | ID | Name | Difficulty | Solver |
|---|---|---|---|---|
| 1 | abc348_e | E. Minimize Sum of Distances | 1347 | 3231 |
| 2 | abc291_h | Ex. Balanced Tree | 2097 | 844 |
| 3 | abc163_f | F. path pass i | 2470 | 1175 |
| 4 | yahoo_procon2018_final_c | C. 木の問題 | null | 123 |
| 5 | dwacon2018_prelims_e | E. ニワンゴくんの家探し | null | 101 |
| 6 | dwacon6th_final_c | C. Tree Shrinking | null | 33 |