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://mirror.codeforces.com/gym/101466/problem/K.
How to update all the parent nodes of a child node when you update the child node in a tree ?
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://mirror.codeforces.com/gym/101466/problem/K.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en2 |
|
coding_weeb | 2017-09-14 10:44:06 | 10 | ||
| en1 |
|
coding_weeb | 2017-09-14 08:42:21 | 291 | Initial revision (published) |
| # | User | Rating |
|---|---|---|
| 1 | Benq | 3792 |
| 2 | VivaciousAubergine | 3647 |
| 3 | Kevin114514 | 3603 |
| 4 | jiangly | 3583 |
| 5 | turmax | 3559 |
| 6 | tourist | 3541 |
| 7 | strapple | 3515 |
| 8 | ksun48 | 3461 |
| 9 | dXqwq | 3436 |
| 10 | Otomachi_Una | 3413 |
| # | User | Contrib. |
|---|---|---|
| 1 | Qingyu | 157 |
| 2 | adamant | 153 |
| 3 | Um_nik | 146 |
| 3 | Proof_by_QED | 146 |
| 5 | Dominater069 | 145 |
| 6 | errorgorn | 141 |
| 7 | cry | 139 |
| 8 | YuukiS | 135 |
| 9 | TheScrasse | 134 |
| 10 | chromate00 | 133 |
