Help needed for a problem based on Subtree Queries on tree
Can anyone give some ideas about how can this problem be solved using Segment Trees OR any other data structure.
I have already spent more than 3 hours on this problem but I could not figure out any approach. Also I am unable to understand the editorial given :(.
Any help is appreciated !.
| № | Пользователь | Рейтинг |
|---|---|---|
| 1 | tourist | 3757 |
| 2 | jiangly | 3647 |
| 3 | Benq | 3581 |
| 4 | orzdevinwang | 3570 |
| 5 | Geothermal | 3569 |
| 5 | cnnfls_csy | 3569 |
| 7 | Radewoosh | 3509 |
| 8 | ecnerwala | 3486 |
| 9 | jqdai0815 | 3474 |
| 10 | gyh20 | 3447 |
| Страны | Города | Организации | Всё → |
| № | Пользователь | Вклад |
|---|---|---|
| 1 | maomao90 | 171 |
| 2 | adamant | 164 |
| 3 | awoo | 163 |
| 4 | TheScrasse | 159 |
| 5 | nor | 156 |
| 6 | maroonrk | 154 |
| 7 | -is-this-fft- | 152 |
| 8 | Petr | 147 |
| 9 | orz | 145 |
| 9 | pajenegod | 145 |
