Can anybody please explain how to solve this problem (with proof)?
| № | Пользователь | Рейтинг |
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| Страны | Города | Организации | Всё → |
| № | Пользователь | Вклад |
|---|---|---|
| 1 | maomao90 | 174 |
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| 6 | maroonrk | 155 |
| 7 | -is-this-fft- | 152 |
| 8 | Petr | 146 |
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| 10 | BledDest | 145 |
