| # | User | Rating |
|---|---|---|
| 1 | tourist | 3880 |
| 2 | jiangly | 3669 |
| 3 | ecnerwala | 3654 |
| 4 | Benq | 3627 |
| 5 | orzdevinwang | 3612 |
| 6 | Geothermal | 3569 |
| 6 | cnnfls_csy | 3569 |
| 8 | jqdai0815 | 3532 |
| 9 | Radewoosh | 3522 |
| 10 | gyh20 | 3447 |
| # | User | Contrib. |
|---|---|---|
| 1 | awoo | 161 |
| 2 | maomao90 | 160 |
| 3 | adamant | 157 |
| 4 | maroonrk | 154 |
| 5 | -is-this-fft- | 148 |
| 5 | atcoder_official | 148 |
| 5 | SecondThread | 148 |
| 8 | Petr | 147 |
| 9 | TheScrasse | 145 |
| 9 | nor | 145 |
I try it using a BFS. Starting in a node with degree 1, setting the node as visited and its neighbors, adding in the queue the neighbors of neighbors of node. But, i was received only wrong answer with this strategy :(
Link for the problem: http://www.spoj.com/problems/IMPER/
sorry for my bad english.
