The value of a node is the product of all the node in its subtree. So how do you update all the parent node when you update the child node ? The original problem is http://codeforces.net/gym/101466/problem/K.
№ | Пользователь | Рейтинг |
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1 | tourist | 4009 |
2 | jiangly | 3823 |
3 | Benq | 3738 |
4 | Radewoosh | 3633 |
5 | jqdai0815 | 3620 |
6 | orzdevinwang | 3529 |
7 | ecnerwala | 3446 |
8 | Um_nik | 3396 |
9 | ksun48 | 3390 |
10 | gamegame | 3386 |
Страны | Города | Организации | Всё → |
№ | Пользователь | Вклад |
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1 | cry | 167 |
2 | Um_nik | 163 |
3 | maomao90 | 162 |
3 | atcoder_official | 162 |
5 | adamant | 159 |
6 | -is-this-fft- | 158 |
7 | awoo | 157 |
8 | TheScrasse | 154 |
9 | Dominater069 | 153 |
9 | nor | 153 |
Rev. | Язык | Кто | Когда | Δ | Комментарий | |
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en2 | coding_weeb | 2017-09-14 10:44:06 | 10 | |||
en1 | coding_weeb | 2017-09-14 08:42:21 | 291 | Initial revision (published) |
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