В этой задаче нужно просто вывести количество групп (с чёрными клетками) а потом вывести длину каждой группы.
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| # | User | Rating |
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| 1 | tourist | 3947 |
| 2 | jiangly | 3740 |
| 3 | Radewoosh | 3652 |
| 4 | Benq | 3626 |
| 5 | jqdai0815 | 3620 |
| 6 | orzdevinwang | 3612 |
| 7 | ecnerwala | 3587 |
| 8 | Geothermal | 3569 |
| 8 | cnnfls_csy | 3569 |
| 10 | ksun48 | 3485 |
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| # | User | Contrib. |
|---|---|---|
| 1 | awoo | 163 |
| 2 | maomao90 | 160 |
| 3 | adamant | 156 |
| 4 | atcoder_official | 155 |
| 4 | nor | 155 |
| 6 | cry | 153 |
| 7 | -is-this-fft- | 152 |
| 7 | maroonrk | 152 |
| 9 | SecondThread | 148 |
| 10 | Petr | 146 |
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